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LeafOS / LeafOS-Project / android_frameworks_base / 00fa7bdd69f0868fd17ea7c881c771d785b2fbbd / . / services / java / com / android / server / WindowManagerService.java
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/*
* Copyright (C) 2007 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.server;
import static android.os.LocalPowerManager.CHEEK_EVENT;
import static android.os.LocalPowerManager.OTHER_EVENT;
import static android.os.LocalPowerManager.TOUCH_EVENT;
import static android.os.LocalPowerManager.LONG_TOUCH_EVENT;
import static android.os.LocalPowerManager.TOUCH_UP_EVENT;
import static android.view.WindowManager.LayoutParams.FIRST_APPLICATION_WINDOW;
import static android.view.WindowManager.LayoutParams.FIRST_SUB_WINDOW;
import static android.view.WindowManager.LayoutParams.FLAG_BLUR_BEHIND;
import static android.view.WindowManager.LayoutParams.FLAG_COMPATIBLE_WINDOW;
import static android.view.WindowManager.LayoutParams.FLAG_DIM_BEHIND;
import static android.view.WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON;
import static android.view.WindowManager.LayoutParams.FLAG_LAYOUT_NO_LIMITS;
import static android.view.WindowManager.LayoutParams.FLAG_SYSTEM_ERROR;
import static android.view.WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE;
import static android.view.WindowManager.LayoutParams.FLAG_ALT_FOCUSABLE_IM;
import static android.view.WindowManager.LayoutParams.FLAG_SHOW_WALLPAPER;
import static android.view.WindowManager.LayoutParams.LAST_APPLICATION_WINDOW;
import static android.view.WindowManager.LayoutParams.LAST_SUB_WINDOW;
import static android.view.WindowManager.LayoutParams.MEMORY_TYPE_PUSH_BUFFERS;
import static android.view.WindowManager.LayoutParams.TYPE_APPLICATION_STARTING;
import static android.view.WindowManager.LayoutParams.TYPE_BASE_APPLICATION;
import static android.view.WindowManager.LayoutParams.TYPE_INPUT_METHOD;
import static android.view.WindowManager.LayoutParams.TYPE_INPUT_METHOD_DIALOG;
import static android.view.WindowManager.LayoutParams.TYPE_WALLPAPER;
import com.android.internal.app.IBatteryStats;
import com.android.internal.policy.PolicyManager;
import com.android.internal.policy.impl.PhoneWindowManager;
import com.android.internal.view.IInputContext;
import com.android.internal.view.IInputMethodClient;
import com.android.internal.view.IInputMethodManager;
import com.android.internal.view.WindowManagerPolicyThread;
import com.android.server.am.BatteryStatsService;
import android.Manifest;
import android.app.ActivityManagerNative;
import android.app.IActivityManager;
import android.app.admin.DevicePolicyManager;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.content.pm.ActivityInfo;
import android.content.pm.PackageManager;
import android.content.res.CompatibilityInfo;
import android.content.res.Configuration;
import android.graphics.Matrix;
import android.graphics.PixelFormat;
import android.graphics.Rect;
import android.graphics.Region;
import android.os.BatteryStats;
import android.os.Binder;
import android.os.Bundle;
import android.os.Debug;
import android.os.Handler;
import android.os.IBinder;
import android.os.LatencyTimer;
import android.os.LocalPowerManager;
import android.os.Looper;
import android.os.Message;
import android.os.Parcel;
import android.os.ParcelFileDescriptor;
import android.os.Power;
import android.os.PowerManager;
import android.os.Process;
import android.os.RemoteException;
import android.os.ServiceManager;
import android.os.SystemClock;
import android.os.SystemProperties;
import android.os.TokenWatcher;
import android.provider.Settings;
import android.util.DisplayMetrics;
import android.util.EventLog;
import android.util.Log;
import android.util.Slog;
import android.util.SparseIntArray;
import android.view.Display;
import android.view.Gravity;
import android.view.HapticFeedbackConstants;
import android.view.IApplicationToken;
import android.view.IOnKeyguardExitResult;
import android.view.IRotationWatcher;
import android.view.IWindow;
import android.view.IWindowManager;
import android.view.IWindowSession;
import android.view.InputChannel;
import android.view.InputQueue;
import android.view.KeyEvent;
import android.view.MotionEvent;
import android.view.Surface;
import android.view.SurfaceSession;
import android.view.View;
import android.view.ViewConfiguration;
import android.view.ViewTreeObserver;
import android.view.WindowManager;
import android.view.WindowManagerImpl;
import android.view.WindowManagerPolicy;
import android.view.WindowManager.LayoutParams;
import android.view.animation.AccelerateInterpolator;
import android.view.animation.Animation;
import android.view.animation.AnimationUtils;
import android.view.animation.Transformation;
import java.io.BufferedWriter;
import java.io.File;
import java.io.FileDescriptor;
import java.io.IOException;
import java.io.OutputStream;
import java.io.OutputStreamWriter;
import java.io.PrintWriter;
import java.io.StringWriter;
import java.net.Socket;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Iterator;
import java.util.List;
/** {@hide} */
public class WindowManagerService extends IWindowManager.Stub
implements Watchdog.Monitor {
static final String TAG = "WindowManager";
static final boolean DEBUG = false;
static final boolean DEBUG_FOCUS = false;
static final boolean DEBUG_ANIM = false;
static final boolean DEBUG_LAYOUT = false;
static final boolean DEBUG_RESIZE = false;
static final boolean DEBUG_LAYERS = false;
static final boolean DEBUG_INPUT = false;
static final boolean DEBUG_INPUT_METHOD = false;
static final boolean DEBUG_VISIBILITY = false;
static final boolean DEBUG_WINDOW_MOVEMENT = false;
static final boolean DEBUG_ORIENTATION = false;
static final boolean DEBUG_CONFIGURATION = false;
static final boolean DEBUG_APP_TRANSITIONS = false;
static final boolean DEBUG_STARTING_WINDOW = false;
static final boolean DEBUG_REORDER = false;
static final boolean DEBUG_WALLPAPER = false;
static final boolean DEBUG_FREEZE = false;
static final boolean SHOW_TRANSACTIONS = false;
static final boolean HIDE_STACK_CRAWLS = true;
static final boolean MEASURE_LATENCY = false;
static private LatencyTimer lt;
static final boolean PROFILE_ORIENTATION = false;
static final boolean BLUR = true;
static final boolean localLOGV = DEBUG;
/** How much to multiply the policy's type layer, to reserve room
* for multiple windows of the same type and Z-ordering adjustment
* with TYPE_LAYER_OFFSET. */
static final int TYPE_LAYER_MULTIPLIER = 10000;
/** Offset from TYPE_LAYER_MULTIPLIER for moving a group of windows above
* or below others in the same layer. */
static final int TYPE_LAYER_OFFSET = 1000;
/** How much to increment the layer for each window, to reserve room
* for effect surfaces between them.
*/
static final int WINDOW_LAYER_MULTIPLIER = 5;
/** The maximum length we will accept for a loaded animation duration:
* this is 10 seconds.
*/
static final int MAX_ANIMATION_DURATION = 10*1000;
/** Amount of time (in milliseconds) to animate the dim surface from one
* value to another, when no window animation is driving it.
*/
static final int DEFAULT_DIM_DURATION = 200;
/** Amount of time (in milliseconds) to animate the fade-in-out transition for
* compatible windows.
*/
static final int DEFAULT_FADE_IN_OUT_DURATION = 400;
/** Adjustment to time to perform a dim, to make it more dramatic.
*/
static final int DIM_DURATION_MULTIPLIER = 6;
// Maximum number of milliseconds to wait for input event injection.
// FIXME is this value reasonable?
private static final int INJECTION_TIMEOUT_MILLIS = 30 * 1000;
// Default input dispatching timeout in nanoseconds.
private static final long DEFAULT_INPUT_DISPATCHING_TIMEOUT_NANOS = 5000 * 1000000L;
static final int UPDATE_FOCUS_NORMAL = 0;
static final int UPDATE_FOCUS_WILL_ASSIGN_LAYERS = 1;
static final int UPDATE_FOCUS_PLACING_SURFACES = 2;
static final int UPDATE_FOCUS_WILL_PLACE_SURFACES = 3;
private static final String SYSTEM_SECURE = "ro.secure";
private static final String SYSTEM_DEBUGGABLE = "ro.debuggable";
/**
* Condition waited on by {@link #reenableKeyguard} to know the call to
* the window policy has finished.
* This is set to true only if mKeyguardTokenWatcher.acquired() has
* actually disabled the keyguard.
*/
private boolean mKeyguardDisabled = false;
private static final int ALLOW_DISABLE_YES = 1;
private static final int ALLOW_DISABLE_NO = 0;
private static final int ALLOW_DISABLE_UNKNOWN = -1; // check with DevicePolicyManager
private int mAllowDisableKeyguard = ALLOW_DISABLE_UNKNOWN; // sync'd by mKeyguardTokenWatcher
final TokenWatcher mKeyguardTokenWatcher = new TokenWatcher(
new Handler(), "WindowManagerService.mKeyguardTokenWatcher") {
public void acquired() {
if (shouldAllowDisableKeyguard()) {
mPolicy.enableKeyguard(false);
mKeyguardDisabled = true;
} else {
Log.v(TAG, "Not disabling keyguard since device policy is enforced");
}
}
public void released() {
mPolicy.enableKeyguard(true);
synchronized (mKeyguardTokenWatcher) {
mKeyguardDisabled = false;
mKeyguardTokenWatcher.notifyAll();
}
}
};
final BroadcastReceiver mBroadcastReceiver = new BroadcastReceiver() {
@Override
public void onReceive(Context context, Intent intent) {
mPolicy.enableKeyguard(true);
synchronized(mKeyguardTokenWatcher) {
// lazily evaluate this next time we're asked to disable keyguard
mAllowDisableKeyguard = ALLOW_DISABLE_UNKNOWN;
mKeyguardDisabled = false;
}
}
};
final Context mContext;
final boolean mHaveInputMethods;
final boolean mLimitedAlphaCompositing;
final WindowManagerPolicy mPolicy = PolicyManager.makeNewWindowManager();
final IActivityManager mActivityManager;
final IBatteryStats mBatteryStats;
/**
* All currently active sessions with clients.
*/
final HashSet<Session> mSessions = new HashSet<Session>();
/**
* Mapping from an IWindow IBinder to the server's Window object.
* This is also used as the lock for all of our state.
*/
final HashMap<IBinder, WindowState> mWindowMap = new HashMap<IBinder, WindowState>();
/**
* Mapping from a token IBinder to a WindowToken object.
*/
final HashMap<IBinder, WindowToken> mTokenMap =
new HashMap<IBinder, WindowToken>();
/**
* The same tokens as mTokenMap, stored in a list for efficient iteration
* over them.
*/
final ArrayList<WindowToken> mTokenList = new ArrayList<WindowToken>();
/**
* Window tokens that are in the process of exiting, but still
* on screen for animations.
*/
final ArrayList<WindowToken> mExitingTokens = new ArrayList<WindowToken>();
/**
* Z-ordered (bottom-most first) list of all application tokens, for
* controlling the ordering of windows in different applications. This
* contains WindowToken objects.
*/
final ArrayList<AppWindowToken> mAppTokens = new ArrayList<AppWindowToken>();
/**
* Application tokens that are in the process of exiting, but still
* on screen for animations.
*/
final ArrayList<AppWindowToken> mExitingAppTokens = new ArrayList<AppWindowToken>();
/**
* List of window tokens that have finished starting their application,
* and now need to have the policy remove their windows.
*/
final ArrayList<AppWindowToken> mFinishedStarting = new ArrayList<AppWindowToken>();
/**
* This was the app token that was used to retrieve the last enter
* animation. It will be used for the next exit animation.
*/
AppWindowToken mLastEnterAnimToken;
/**
* These were the layout params used to retrieve the last enter animation.
* They will be used for the next exit animation.
*/
LayoutParams mLastEnterAnimParams;
/**
* Z-ordered (bottom-most first) list of all Window objects.
*/
final ArrayList mWindows = new ArrayList();
/**
* Windows that are being resized. Used so we can tell the client about
* the resize after closing the transaction in which we resized the
* underlying surface.
*/
final ArrayList<WindowState> mResizingWindows = new ArrayList<WindowState>();
/**
* Windows whose animations have ended and now must be removed.
*/
final ArrayList<WindowState> mPendingRemove = new ArrayList<WindowState>();
/**
* Windows whose surface should be destroyed.
*/
final ArrayList<WindowState> mDestroySurface = new ArrayList<WindowState>();
/**
* Windows that have lost input focus and are waiting for the new
* focus window to be displayed before they are told about this.
*/
ArrayList<WindowState> mLosingFocus = new ArrayList<WindowState>();
/**
* This is set when we have run out of memory, and will either be an empty
* list or contain windows that need to be force removed.
*/
ArrayList<WindowState> mForceRemoves;
IInputMethodManager mInputMethodManager;
SurfaceSession mFxSession;
private DimAnimator mDimAnimator = null;
Surface mBlurSurface;
boolean mBlurShown;
int mTransactionSequence = 0;
final float[] mTmpFloats = new float[9];
boolean mSafeMode;
boolean mDisplayEnabled = false;
boolean mSystemBooted = false;
int mInitialDisplayWidth = 0;
int mInitialDisplayHeight = 0;
int mRotation = 0;
int mRequestedRotation = 0;
int mForcedAppOrientation = ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED;
int mLastRotationFlags;
ArrayList<IRotationWatcher> mRotationWatchers
= new ArrayList<IRotationWatcher>();
boolean mLayoutNeeded = true;
boolean mAnimationPending = false;
boolean mDisplayFrozen = false;
boolean mWaitingForConfig = false;
boolean mWindowsFreezingScreen = false;
long mFreezeGcPending = 0;
int mAppsFreezingScreen = 0;
int mLayoutSeq = 0;
// State while inside of layoutAndPlaceSurfacesLocked().
boolean mFocusMayChange;
Configuration mCurConfiguration = new Configuration();
// This is held as long as we have the screen frozen, to give us time to
// perform a rotation animation when turning off shows the lock screen which
// changes the orientation.
PowerManager.WakeLock mScreenFrozenLock;
// State management of app transitions. When we are preparing for a
// transition, mNextAppTransition will be the kind of transition to
// perform or TRANSIT_NONE if we are not waiting. If we are waiting,
// mOpeningApps and mClosingApps are the lists of tokens that will be
// made visible or hidden at the next transition.
int mNextAppTransition = WindowManagerPolicy.TRANSIT_UNSET;
String mNextAppTransitionPackage;
int mNextAppTransitionEnter;
int mNextAppTransitionExit;
boolean mAppTransitionReady = false;
boolean mAppTransitionRunning = false;
boolean mAppTransitionTimeout = false;
boolean mStartingIconInTransition = false;
boolean mSkipAppTransitionAnimation = false;
final ArrayList<AppWindowToken> mOpeningApps = new ArrayList<AppWindowToken>();
final ArrayList<AppWindowToken> mClosingApps = new ArrayList<AppWindowToken>();
final ArrayList<AppWindowToken> mToTopApps = new ArrayList<AppWindowToken>();
final ArrayList<AppWindowToken> mToBottomApps = new ArrayList<AppWindowToken>();
Display mDisplay;
H mH = new H();
WindowState mCurrentFocus = null;
WindowState mLastFocus = null;
// This just indicates the window the input method is on top of, not
// necessarily the window its input is going to.
WindowState mInputMethodTarget = null;
WindowState mUpcomingInputMethodTarget = null;
boolean mInputMethodTargetWaitingAnim;
int mInputMethodAnimLayerAdjustment;
WindowState mInputMethodWindow = null;
final ArrayList<WindowState> mInputMethodDialogs = new ArrayList<WindowState>();
final ArrayList<WindowToken> mWallpaperTokens = new ArrayList<WindowToken>();
// If non-null, this is the currently visible window that is associated
// with the wallpaper.
WindowState mWallpaperTarget = null;
// If non-null, we are in the middle of animating from one wallpaper target
// to another, and this is the lower one in Z-order.
WindowState mLowerWallpaperTarget = null;
// If non-null, we are in the middle of animating from one wallpaper target
// to another, and this is the higher one in Z-order.
WindowState mUpperWallpaperTarget = null;
int mWallpaperAnimLayerAdjustment;
float mLastWallpaperX = -1;
float mLastWallpaperY = -1;
float mLastWallpaperXStep = -1;
float mLastWallpaperYStep = -1;
// This is set when we are waiting for a wallpaper to tell us it is done
// changing its scroll position.
WindowState mWaitingOnWallpaper;
// The last time we had a timeout when waiting for a wallpaper.
long mLastWallpaperTimeoutTime;
// We give a wallpaper up to 150ms to finish scrolling.
static final long WALLPAPER_TIMEOUT = 150;
// Time we wait after a timeout before trying to wait again.
static final long WALLPAPER_TIMEOUT_RECOVERY = 10000;
AppWindowToken mFocusedApp = null;
PowerManagerService mPowerManager;
float mWindowAnimationScale = 1.0f;
float mTransitionAnimationScale = 1.0f;
final InputManager mInputManager;
// Who is holding the screen on.
Session mHoldingScreenOn;
PowerManager.WakeLock mHoldingScreenWakeLock;
boolean mTurnOnScreen;
/**
* Whether the UI is currently running in touch mode (not showing
* navigational focus because the user is directly pressing the screen).
*/
boolean mInTouchMode = false;
private ViewServer mViewServer;
final Configuration mTempConfiguration = new Configuration();
int mScreenLayout = Configuration.SCREENLAYOUT_SIZE_UNDEFINED;
// The frame use to limit the size of the app running in compatibility mode.
Rect mCompatibleScreenFrame = new Rect();
// The surface used to fill the outer rim of the app running in compatibility mode.
Surface mBackgroundFillerSurface = null;
boolean mBackgroundFillerShown = false;
public static WindowManagerService main(Context context,
PowerManagerService pm, boolean haveInputMethods) {
WMThread thr = new WMThread(context, pm, haveInputMethods);
thr.start();
synchronized (thr) {
while (thr.mService == null) {
try {
thr.wait();
} catch (InterruptedException e) {
}
}
}
return thr.mService;
}
static class WMThread extends Thread {
WindowManagerService mService;
private final Context mContext;
private final PowerManagerService mPM;
private final boolean mHaveInputMethods;
public WMThread(Context context, PowerManagerService pm,
boolean haveInputMethods) {
super("WindowManager");
mContext = context;
mPM = pm;
mHaveInputMethods = haveInputMethods;
}
public void run() {
Looper.prepare();
WindowManagerService s = new WindowManagerService(mContext, mPM,
mHaveInputMethods);
android.os.Process.setThreadPriority(
android.os.Process.THREAD_PRIORITY_DISPLAY);
android.os.Process.setCanSelfBackground(false);
synchronized (this) {
mService = s;
notifyAll();
}
Looper.loop();
}
}
static class PolicyThread extends Thread {
private final WindowManagerPolicy mPolicy;
private final WindowManagerService mService;
private final Context mContext;
private final PowerManagerService mPM;
boolean mRunning = false;
public PolicyThread(WindowManagerPolicy policy,
WindowManagerService service, Context context,
PowerManagerService pm) {
super("WindowManagerPolicy");
mPolicy = policy;
mService = service;
mContext = context;
mPM = pm;
}
public void run() {
Looper.prepare();
WindowManagerPolicyThread.set(this, Looper.myLooper());
//Looper.myLooper().setMessageLogging(new LogPrinter(
// Log.VERBOSE, "WindowManagerPolicy", Log.LOG_ID_SYSTEM));
android.os.Process.setThreadPriority(
android.os.Process.THREAD_PRIORITY_FOREGROUND);
android.os.Process.setCanSelfBackground(false);
mPolicy.init(mContext, mService, mPM);
synchronized (this) {
mRunning = true;
notifyAll();
}
Looper.loop();
}
}
private WindowManagerService(Context context, PowerManagerService pm,
boolean haveInputMethods) {
if (MEASURE_LATENCY) {
lt = new LatencyTimer(100, 1000);
}
mContext = context;
mHaveInputMethods = haveInputMethods;
mLimitedAlphaCompositing = context.getResources().getBoolean(
com.android.internal.R.bool.config_sf_limitedAlpha);
mPowerManager = pm;
mPowerManager.setPolicy(mPolicy);
PowerManager pmc = (PowerManager)context.getSystemService(Context.POWER_SERVICE);
mScreenFrozenLock = pmc.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK,
"SCREEN_FROZEN");
mScreenFrozenLock.setReferenceCounted(false);
mActivityManager = ActivityManagerNative.getDefault();
mBatteryStats = BatteryStatsService.getService();
// Get persisted window scale setting
mWindowAnimationScale = Settings.System.getFloat(context.getContentResolver(),
Settings.System.WINDOW_ANIMATION_SCALE, mWindowAnimationScale);
mTransitionAnimationScale = Settings.System.getFloat(context.getContentResolver(),
Settings.System.TRANSITION_ANIMATION_SCALE, mTransitionAnimationScale);
// Track changes to DevicePolicyManager state so we can enable/disable keyguard.
IntentFilter filter = new IntentFilter();
filter.addAction(DevicePolicyManager.ACTION_DEVICE_POLICY_MANAGER_STATE_CHANGED);
mContext.registerReceiver(mBroadcastReceiver, filter);
mHoldingScreenWakeLock = pmc.newWakeLock(PowerManager.SCREEN_BRIGHT_WAKE_LOCK,
"KEEP_SCREEN_ON_FLAG");
mHoldingScreenWakeLock.setReferenceCounted(false);
mInputManager = new InputManager(context, this, pmc, mPowerManager);
PolicyThread thr = new PolicyThread(mPolicy, this, context, pm);
thr.start();
synchronized (thr) {
while (!thr.mRunning) {
try {
thr.wait();
} catch (InterruptedException e) {
}
}
}
mInputManager.start();
// Add ourself to the Watchdog monitors.
Watchdog.getInstance().addMonitor(this);
}
@Override
public boolean onTransact(int code, Parcel data, Parcel reply, int flags)
throws RemoteException {
try {
return super.onTransact(code, data, reply, flags);
} catch (RuntimeException e) {
// The window manager only throws security exceptions, so let's
// log all others.
if (!(e instanceof SecurityException)) {
Slog.e(TAG, "Window Manager Crash", e);
}
throw e;
}
}
private void placeWindowAfter(Object pos, WindowState window) {
final int i = mWindows.indexOf(pos);
if (DEBUG_FOCUS || DEBUG_WINDOW_MOVEMENT) Slog.v(
TAG, "Adding window " + window + " at "
+ (i+1) + " of " + mWindows.size() + " (after " + pos + ")");
mWindows.add(i+1, window);
}
private void placeWindowBefore(Object pos, WindowState window) {
final int i = mWindows.indexOf(pos);
if (DEBUG_FOCUS || DEBUG_WINDOW_MOVEMENT) Slog.v(
TAG, "Adding window " + window + " at "
+ i + " of " + mWindows.size() + " (before " + pos + ")");
mWindows.add(i, window);
}
//This method finds out the index of a window that has the same app token as
//win. used for z ordering the windows in mWindows
private int findIdxBasedOnAppTokens(WindowState win) {
//use a local variable to cache mWindows
ArrayList localmWindows = mWindows;
int jmax = localmWindows.size();
if(jmax == 0) {
return -1;
}
for(int j = (jmax-1); j >= 0; j--) {
WindowState wentry = (WindowState)localmWindows.get(j);
if(wentry.mAppToken == win.mAppToken) {
return j;
}
}
return -1;
}
private void addWindowToListInOrderLocked(WindowState win, boolean addToToken) {
final IWindow client = win.mClient;
final WindowToken token = win.mToken;
final ArrayList localmWindows = mWindows;
final int N = localmWindows.size();
final WindowState attached = win.mAttachedWindow;
int i;
if (attached == null) {
int tokenWindowsPos = token.windows.size();
if (token.appWindowToken != null) {
int index = tokenWindowsPos-1;
if (index >= 0) {
// If this application has existing windows, we
// simply place the new window on top of them... but
// keep the starting window on top.
if (win.mAttrs.type == TYPE_BASE_APPLICATION) {
// Base windows go behind everything else.
placeWindowBefore(token.windows.get(0), win);
tokenWindowsPos = 0;
} else {
AppWindowToken atoken = win.mAppToken;
if (atoken != null &&
token.windows.get(index) == atoken.startingWindow) {
placeWindowBefore(token.windows.get(index), win);
tokenWindowsPos--;
} else {
int newIdx = findIdxBasedOnAppTokens(win);
if(newIdx != -1) {
//there is a window above this one associated with the same
//apptoken note that the window could be a floating window
//that was created later or a window at the top of the list of
//windows associated with this token.
if (DEBUG_FOCUS || DEBUG_WINDOW_MOVEMENT) Slog.v(
TAG, "Adding window " + win + " at "
+ (newIdx+1) + " of " + N);
localmWindows.add(newIdx+1, win);
}
}
}
} else {
if (localLOGV) Slog.v(
TAG, "Figuring out where to add app window "
+ client.asBinder() + " (token=" + token + ")");
// Figure out where the window should go, based on the
// order of applications.
final int NA = mAppTokens.size();
Object pos = null;
for (i=NA-1; i>=0; i--) {
AppWindowToken t = mAppTokens.get(i);
if (t == token) {
i--;
break;
}
// We haven't reached the token yet; if this token
// is not going to the bottom and has windows, we can
// use it as an anchor for when we do reach the token.
if (!t.sendingToBottom && t.windows.size() > 0) {
pos = t.windows.get(0);
}
}
// We now know the index into the apps. If we found
// an app window above, that gives us the position; else
// we need to look some more.
if (pos != null) {
// Move behind any windows attached to this one.
WindowToken atoken =
mTokenMap.get(((WindowState)pos).mClient.asBinder());
if (atoken != null) {
final int NC = atoken.windows.size();
if (NC > 0) {
WindowState bottom = atoken.windows.get(0);
if (bottom.mSubLayer < 0) {
pos = bottom;
}
}
}
placeWindowBefore(pos, win);
} else {
// Continue looking down until we find the first
// token that has windows.
while (i >= 0) {
AppWindowToken t = mAppTokens.get(i);
final int NW = t.windows.size();
if (NW > 0) {
pos = t.windows.get(NW-1);
break;
}
i--;
}
if (pos != null) {
// Move in front of any windows attached to this
// one.
WindowToken atoken =
mTokenMap.get(((WindowState)pos).mClient.asBinder());
if (atoken != null) {
final int NC = atoken.windows.size();
if (NC > 0) {
WindowState top = atoken.windows.get(NC-1);
if (top.mSubLayer >= 0) {
pos = top;
}
}
}
placeWindowAfter(pos, win);
} else {
// Just search for the start of this layer.
final int myLayer = win.mBaseLayer;
for (i=0; i<N; i++) {
WindowState w = (WindowState)localmWindows.get(i);
if (w.mBaseLayer > myLayer) {
break;
}
}
if (DEBUG_FOCUS || DEBUG_WINDOW_MOVEMENT) Slog.v(
TAG, "Adding window " + win + " at "
+ i + " of " + N);
localmWindows.add(i, win);
}
}
}
} else {
// Figure out where window should go, based on layer.
final int myLayer = win.mBaseLayer;
for (i=N-1; i>=0; i--) {
if (((WindowState)localmWindows.get(i)).mBaseLayer <= myLayer) {
i++;
break;
}
}
if (i < 0) i = 0;
if (DEBUG_FOCUS || DEBUG_WINDOW_MOVEMENT) Slog.v(
TAG, "Adding window " + win + " at "
+ i + " of " + N);
localmWindows.add(i, win);
}
if (addToToken) {
token.windows.add(tokenWindowsPos, win);
}
} else {
// Figure out this window's ordering relative to the window
// it is attached to.
final int NA = token.windows.size();
final int sublayer = win.mSubLayer;
int largestSublayer = Integer.MIN_VALUE;
WindowState windowWithLargestSublayer = null;
for (i=0; i<NA; i++) {
WindowState w = token.windows.get(i);
final int wSublayer = w.mSubLayer;
if (wSublayer >= largestSublayer) {
largestSublayer = wSublayer;
windowWithLargestSublayer = w;
}
if (sublayer < 0) {
// For negative sublayers, we go below all windows
// in the same sublayer.
if (wSublayer >= sublayer) {
if (addToToken) {
token.windows.add(i, win);
}
placeWindowBefore(
wSublayer >= 0 ? attached : w, win);
break;
}
} else {
// For positive sublayers, we go above all windows
// in the same sublayer.
if (wSublayer > sublayer) {
if (addToToken) {
token.windows.add(i, win);
}
placeWindowBefore(w, win);
break;
}
}
}
if (i >= NA) {
if (addToToken) {
token.windows.add(win);
}
if (sublayer < 0) {
placeWindowBefore(attached, win);
} else {
placeWindowAfter(largestSublayer >= 0
? windowWithLargestSublayer
: attached,
win);
}
}
}
if (win.mAppToken != null && addToToken) {
win.mAppToken.allAppWindows.add(win);
}
}
static boolean canBeImeTarget(WindowState w) {
final int fl = w.mAttrs.flags
& (FLAG_NOT_FOCUSABLE|FLAG_ALT_FOCUSABLE_IM);
if (fl == 0 || fl == (FLAG_NOT_FOCUSABLE|FLAG_ALT_FOCUSABLE_IM)) {
return w.isVisibleOrAdding();
}
return false;
}
int findDesiredInputMethodWindowIndexLocked(boolean willMove) {
final ArrayList localmWindows = mWindows;
final int N = localmWindows.size();
WindowState w = null;
int i = N;
while (i > 0) {
i--;
w = (WindowState)localmWindows.get(i);
//Slog.i(TAG, "Checking window @" + i + " " + w + " fl=0x"
// + Integer.toHexString(w.mAttrs.flags));
if (canBeImeTarget(w)) {
//Slog.i(TAG, "Putting input method here!");
// Yet more tricksyness! If this window is a "starting"
// window, we do actually want to be on top of it, but
// it is not -really- where input will go. So if the caller
// is not actually looking to move the IME, look down below
// for a real window to target...
if (!willMove
&& w.mAttrs.type == WindowManager.LayoutParams.TYPE_APPLICATION_STARTING
&& i > 0) {
WindowState wb = (WindowState)localmWindows.get(i-1);
if (wb.mAppToken == w.mAppToken && canBeImeTarget(wb)) {
i--;
w = wb;
}
}
break;
}
}
mUpcomingInputMethodTarget = w;
if (DEBUG_INPUT_METHOD) Slog.v(TAG, "Desired input method target="
+ w + " willMove=" + willMove);
if (willMove && w != null) {
final WindowState curTarget = mInputMethodTarget;
if (curTarget != null && curTarget.mAppToken != null) {
// Now some fun for dealing with window animations that
// modify the Z order. We need to look at all windows below
// the current target that are in this app, finding the highest
// visible one in layering.
AppWindowToken token = curTarget.mAppToken;
WindowState highestTarget = null;
int highestPos = 0;
if (token.animating || token.animation != null) {
int pos = 0;
pos = localmWindows.indexOf(curTarget);
while (pos >= 0) {
WindowState win = (WindowState)localmWindows.get(pos);
if (win.mAppToken != token) {
break;
}
if (!win.mRemoved) {
if (highestTarget == null || win.mAnimLayer >
highestTarget.mAnimLayer) {
highestTarget = win;
highestPos = pos;
}
}
pos--;
}
}
if (highestTarget != null) {
if (DEBUG_INPUT_METHOD) Slog.v(TAG, "mNextAppTransition="
+ mNextAppTransition + " " + highestTarget
+ " animating=" + highestTarget.isAnimating()
+ " layer=" + highestTarget.mAnimLayer
+ " new layer=" + w.mAnimLayer);
if (mNextAppTransition != WindowManagerPolicy.TRANSIT_UNSET) {
// If we are currently setting up for an animation,
// hold everything until we can find out what will happen.
mInputMethodTargetWaitingAnim = true;
mInputMethodTarget = highestTarget;
return highestPos + 1;
} else if (highestTarget.isAnimating() &&
highestTarget.mAnimLayer > w.mAnimLayer) {
// If the window we are currently targeting is involved
// with an animation, and it is on top of the next target
// we will be over, then hold off on moving until
// that is done.
mInputMethodTarget = highestTarget;
return highestPos + 1;
}
}
}
}
//Slog.i(TAG, "Placing input method @" + (i+1));
if (w != null) {
if (willMove) {
if (DEBUG_INPUT_METHOD) {
RuntimeException e = null;
if (!HIDE_STACK_CRAWLS) {
e = new RuntimeException();
e.fillInStackTrace();
}
Slog.w(TAG, "Moving IM target from "
+ mInputMethodTarget + " to " + w, e);
}
mInputMethodTarget = w;
if (w.mAppToken != null) {
setInputMethodAnimLayerAdjustment(w.mAppToken.animLayerAdjustment);
} else {
setInputMethodAnimLayerAdjustment(0);
}
}
return i+1;
}
if (willMove) {
if (DEBUG_INPUT_METHOD) {
RuntimeException e = null;
if (!HIDE_STACK_CRAWLS) {
e = new RuntimeException();
e.fillInStackTrace();
}
Slog.w(TAG, "Moving IM target from "
+ mInputMethodTarget + " to null", e);
}
mInputMethodTarget = null;
setInputMethodAnimLayerAdjustment(0);
}
return -1;
}
void addInputMethodWindowToListLocked(WindowState win) {
int pos = findDesiredInputMethodWindowIndexLocked(true);
if (pos >= 0) {
win.mTargetAppToken = mInputMethodTarget.mAppToken;
if (DEBUG_WINDOW_MOVEMENT) Slog.v(
TAG, "Adding input method window " + win + " at " + pos);
mWindows.add(pos, win);
moveInputMethodDialogsLocked(pos+1);
return;
}
win.mTargetAppToken = null;
addWindowToListInOrderLocked(win, true);
moveInputMethodDialogsLocked(pos);
}
void setInputMethodAnimLayerAdjustment(int adj) {
if (DEBUG_LAYERS) Slog.v(TAG, "Setting im layer adj to " + adj);
mInputMethodAnimLayerAdjustment = adj;
WindowState imw = mInputMethodWindow;
if (imw != null) {
imw.mAnimLayer = imw.mLayer + adj;
if (DEBUG_LAYERS) Slog.v(TAG, "IM win " + imw
+ " anim layer: " + imw.mAnimLayer);
int wi = imw.mChildWindows.size();
while (wi > 0) {
wi--;
WindowState cw = (WindowState)imw.mChildWindows.get(wi);
cw.mAnimLayer = cw.mLayer + adj;
if (DEBUG_LAYERS) Slog.v(TAG, "IM win " + cw
+ " anim layer: " + cw.mAnimLayer);
}
}
int di = mInputMethodDialogs.size();
while (di > 0) {
di --;
imw = mInputMethodDialogs.get(di);
imw.mAnimLayer = imw.mLayer + adj;
if (DEBUG_LAYERS) Slog.v(TAG, "IM win " + imw
+ " anim layer: " + imw.mAnimLayer);
}
}
private int tmpRemoveWindowLocked(int interestingPos, WindowState win) {
int wpos = mWindows.indexOf(win);
if (wpos >= 0) {
if (wpos < interestingPos) interestingPos--;
if (DEBUG_WINDOW_MOVEMENT) Slog.v(TAG, "Temp removing at " + wpos + ": " + win);
mWindows.remove(wpos);
int NC = win.mChildWindows.size();
while (NC > 0) {
NC--;
WindowState cw = (WindowState)win.mChildWindows.get(NC);
int cpos = mWindows.indexOf(cw);
if (cpos >= 0) {
if (cpos < interestingPos) interestingPos--;
if (DEBUG_WINDOW_MOVEMENT) Slog.v(TAG, "Temp removing child at "
+ cpos + ": " + cw);
mWindows.remove(cpos);
}
}
}
return interestingPos;
}
private void reAddWindowToListInOrderLocked(WindowState win) {
addWindowToListInOrderLocked(win, false);
// This is a hack to get all of the child windows added as well
// at the right position. Child windows should be rare and
// this case should be rare, so it shouldn't be that big a deal.
int wpos = mWindows.indexOf(win);
if (wpos >= 0) {
if (DEBUG_WINDOW_MOVEMENT) Slog.v(TAG, "ReAdd removing from " + wpos
+ ": " + win);
mWindows.remove(wpos);
reAddWindowLocked(wpos, win);
}
}
void logWindowList(String prefix) {
int N = mWindows.size();
while (N > 0) {
N--;
Slog.v(TAG, prefix + "#" + N + ": " + mWindows.get(N));
}
}
void moveInputMethodDialogsLocked(int pos) {
ArrayList<WindowState> dialogs = mInputMethodDialogs;
final int N = dialogs.size();
if (DEBUG_INPUT_METHOD) Slog.v(TAG, "Removing " + N + " dialogs w/pos=" + pos);
for (int i=0; i<N; i++) {
pos = tmpRemoveWindowLocked(pos, dialogs.get(i));
}
if (DEBUG_INPUT_METHOD) {
Slog.v(TAG, "Window list w/pos=" + pos);
logWindowList(" ");
}
if (pos >= 0) {
final AppWindowToken targetAppToken = mInputMethodTarget.mAppToken;
if (pos < mWindows.size()) {
WindowState wp = (WindowState)mWindows.get(pos);
if (wp == mInputMethodWindow) {
pos++;
}
}
if (DEBUG_INPUT_METHOD) Slog.v(TAG, "Adding " + N + " dialogs at pos=" + pos);
for (int i=0; i<N; i++) {
WindowState win = dialogs.get(i);
win.mTargetAppToken = targetAppToken;
pos = reAddWindowLocked(pos, win);
}
if (DEBUG_INPUT_METHOD) {
Slog.v(TAG, "Final window list:");
logWindowList(" ");
}
return;
}
for (int i=0; i<N; i++) {
WindowState win = dialogs.get(i);
win.mTargetAppToken = null;
reAddWindowToListInOrderLocked(win);
if (DEBUG_INPUT_METHOD) {
Slog.v(TAG, "No IM target, final list:");
logWindowList(" ");
}
}
}
boolean moveInputMethodWindowsIfNeededLocked(boolean needAssignLayers) {
final WindowState imWin = mInputMethodWindow;
final int DN = mInputMethodDialogs.size();
if (imWin == null && DN == 0) {
return false;
}
int imPos = findDesiredInputMethodWindowIndexLocked(true);
if (imPos >= 0) {
// In this case, the input method windows are to be placed
// immediately above the window they are targeting.
// First check to see if the input method windows are already
// located here, and contiguous.
final int N = mWindows.size();
WindowState firstImWin = imPos < N
? (WindowState)mWindows.get(imPos) : null;
// Figure out the actual input method window that should be
// at the bottom of their stack.
WindowState baseImWin = imWin != null
? imWin : mInputMethodDialogs.get(0);
if (baseImWin.mChildWindows.size() > 0) {
WindowState cw = (WindowState)baseImWin.mChildWindows.get(0);
if (cw.mSubLayer < 0) baseImWin = cw;
}
if (firstImWin == baseImWin) {
// The windows haven't moved... but are they still contiguous?
// First find the top IM window.
int pos = imPos+1;
while (pos < N) {
if (!((WindowState)mWindows.get(pos)).mIsImWindow) {
break;
}
pos++;
}
pos++;
// Now there should be no more input method windows above.
while (pos < N) {
if (((WindowState)mWindows.get(pos)).mIsImWindow) {
break;
}
pos++;
}
if (pos >= N) {
// All is good!
return false;
}
}
if (imWin != null) {
if (DEBUG_INPUT_METHOD) {
Slog.v(TAG, "Moving IM from " + imPos);
logWindowList(" ");
}
imPos = tmpRemoveWindowLocked(imPos, imWin);
if (DEBUG_INPUT_METHOD) {
Slog.v(TAG, "List after moving with new pos " + imPos + ":");
logWindowList(" ");
}
imWin.mTargetAppToken = mInputMethodTarget.mAppToken;
reAddWindowLocked(imPos, imWin);
if (DEBUG_INPUT_METHOD) {
Slog.v(TAG, "List after moving IM to " + imPos + ":");
logWindowList(" ");
}
if (DN > 0) moveInputMethodDialogsLocked(imPos+1);
} else {
moveInputMethodDialogsLocked(imPos);
}
} else {
// In this case, the input method windows go in a fixed layer,
// because they aren't currently associated with a focus window.
if (imWin != null) {
if (DEBUG_INPUT_METHOD) Slog.v(TAG, "Moving IM from " + imPos);
tmpRemoveWindowLocked(0, imWin);
imWin.mTargetAppToken = null;
reAddWindowToListInOrderLocked(imWin);
if (DEBUG_INPUT_METHOD) {
Slog.v(TAG, "List with no IM target:");
logWindowList(" ");
}
if (DN > 0) moveInputMethodDialogsLocked(-1);;
} else {
moveInputMethodDialogsLocked(-1);;
}
}
if (needAssignLayers) {
assignLayersLocked();
}
return true;
}
void adjustInputMethodDialogsLocked() {
moveInputMethodDialogsLocked(findDesiredInputMethodWindowIndexLocked(true));
}
final boolean isWallpaperVisible(WindowState wallpaperTarget) {
if (DEBUG_WALLPAPER) Slog.v(TAG, "Wallpaper vis: target obscured="
+ (wallpaperTarget != null ? Boolean.toString(wallpaperTarget.mObscured) : "??")
+ " anim=" + ((wallpaperTarget != null && wallpaperTarget.mAppToken != null)
? wallpaperTarget.mAppToken.animation : null)
+ " upper=" + mUpperWallpaperTarget
+ " lower=" + mLowerWallpaperTarget);
return (wallpaperTarget != null
&& (!wallpaperTarget.mObscured || (wallpaperTarget.mAppToken != null
&& wallpaperTarget.mAppToken.animation != null)))
|| mUpperWallpaperTarget != null
|| mLowerWallpaperTarget != null;
}
static final int ADJUST_WALLPAPER_LAYERS_CHANGED = 1<<1;
static final int ADJUST_WALLPAPER_VISIBILITY_CHANGED = 1<<2;
int adjustWallpaperWindowsLocked() {
int changed = 0;
final int dw = mDisplay.getWidth();
final int dh = mDisplay.getHeight();
// First find top-most window that has asked to be on top of the
// wallpaper; all wallpapers go behind it.
final ArrayList localmWindows = mWindows;
int N = localmWindows.size();
WindowState w = null;
WindowState foundW = null;
int foundI = 0;
WindowState topCurW = null;
int topCurI = 0;
int i = N;
while (i > 0) {
i--;
w = (WindowState)localmWindows.get(i);
if ((w.mAttrs.type == WindowManager.LayoutParams.TYPE_WALLPAPER)) {
if (topCurW == null) {
topCurW = w;
topCurI = i;
}
continue;
}
topCurW = null;
if (w.mAppToken != null) {
// If this window's app token is hidden and not animating,
// it is of no interest to us.
if (w.mAppToken.hidden && w.mAppToken.animation == null) {
if (DEBUG_WALLPAPER) Slog.v(TAG,
"Skipping hidden or animating token: " + w);
topCurW = null;
continue;
}
}
if (DEBUG_WALLPAPER) Slog.v(TAG, "Win " + w + ": readyfordisplay="
+ w.isReadyForDisplay() + " drawpending=" + w.mDrawPending
+ " commitdrawpending=" + w.mCommitDrawPending);
if ((w.mAttrs.flags&FLAG_SHOW_WALLPAPER) != 0 && w.isReadyForDisplay()
&& (mWallpaperTarget == w
|| (!w.mDrawPending && !w.mCommitDrawPending))) {
if (DEBUG_WALLPAPER) Slog.v(TAG,
"Found wallpaper activity: #" + i + "=" + w);
foundW = w;
foundI = i;
if (w == mWallpaperTarget && ((w.mAppToken != null
&& w.mAppToken.animation != null)
|| w.mAnimation != null)) {
// The current wallpaper target is animating, so we'll
// look behind it for another possible target and figure
// out what is going on below.
if (DEBUG_WALLPAPER) Slog.v(TAG, "Win " + w
+ ": token animating, looking behind.");
continue;
}
break;
}
}
if (mNextAppTransition != WindowManagerPolicy.TRANSIT_UNSET) {
// If we are currently waiting for an app transition, and either
// the current target or the next target are involved with it,
// then hold off on doing anything with the wallpaper.
// Note that we are checking here for just whether the target
// is part of an app token... which is potentially overly aggressive
// (the app token may not be involved in the transition), but good
// enough (we'll just wait until whatever transition is pending
// executes).
if (mWallpaperTarget != null && mWallpaperTarget.mAppToken != null) {
if (DEBUG_WALLPAPER) Slog.v(TAG,
"Wallpaper not changing: waiting for app anim in current target");
return 0;
}
if (foundW != null && foundW.mAppToken != null) {
if (DEBUG_WALLPAPER) Slog.v(TAG,
"Wallpaper not changing: waiting for app anim in found target");
return 0;
}
}
if (mWallpaperTarget != foundW) {
if (DEBUG_WALLPAPER) {
Slog.v(TAG, "New wallpaper target: " + foundW
+ " oldTarget: " + mWallpaperTarget);
}
mLowerWallpaperTarget = null;
mUpperWallpaperTarget = null;
WindowState oldW = mWallpaperTarget;
mWallpaperTarget = foundW;
// Now what is happening... if the current and new targets are
// animating, then we are in our super special mode!
if (foundW != null && oldW != null) {
boolean oldAnim = oldW.mAnimation != null
|| (oldW.mAppToken != null && oldW.mAppToken.animation != null);
boolean foundAnim = foundW.mAnimation != null
|| (foundW.mAppToken != null && foundW.mAppToken.animation != null);
if (DEBUG_WALLPAPER) {
Slog.v(TAG, "New animation: " + foundAnim
+ " old animation: " + oldAnim);
}
if (foundAnim && oldAnim) {
int oldI = localmWindows.indexOf(oldW);
if (DEBUG_WALLPAPER) {
Slog.v(TAG, "New i: " + foundI + " old i: " + oldI);
}
if (oldI >= 0) {
if (DEBUG_WALLPAPER) {
Slog.v(TAG, "Animating wallpapers: old#" + oldI
+ "=" + oldW + "; new#" + foundI
+ "=" + foundW);
}
// Set the new target correctly.
if (foundW.mAppToken != null && foundW.mAppToken.hiddenRequested) {
if (DEBUG_WALLPAPER) {
Slog.v(TAG, "Old wallpaper still the target.");
}
mWallpaperTarget = oldW;
}
// Now set the upper and lower wallpaper targets
// correctly, and make sure that we are positioning
// the wallpaper below the lower.
if (foundI > oldI) {
// The new target is on top of the old one.
if (DEBUG_WALLPAPER) {
Slog.v(TAG, "Found target above old target.");
}
mUpperWallpaperTarget = foundW;
mLowerWallpaperTarget = oldW;
foundW = oldW;
foundI = oldI;
} else {
// The new target is below the old one.
if (DEBUG_WALLPAPER) {
Slog.v(TAG, "Found target below old target.");
}
mUpperWallpaperTarget = oldW;
mLowerWallpaperTarget = foundW;
}
}
}
}
} else if (mLowerWallpaperTarget != null) {
// Is it time to stop animating?
boolean lowerAnimating = mLowerWallpaperTarget.mAnimation != null
|| (mLowerWallpaperTarget.mAppToken != null
&& mLowerWallpaperTarget.mAppToken.animation != null);
boolean upperAnimating = mUpperWallpaperTarget.mAnimation != null
|| (mUpperWallpaperTarget.mAppToken != null
&& mUpperWallpaperTarget.mAppToken.animation != null);
if (!lowerAnimating || !upperAnimating) {
if (DEBUG_WALLPAPER) {
Slog.v(TAG, "No longer animating wallpaper targets!");
}
mLowerWallpaperTarget = null;
mUpperWallpaperTarget = null;
}
}
boolean visible = foundW != null;
if (visible) {
// The window is visible to the compositor... but is it visible
// to the user? That is what the wallpaper cares about.
visible = isWallpaperVisible(foundW);
if (DEBUG_WALLPAPER) Slog.v(TAG, "Wallpaper visibility: " + visible);
// If the wallpaper target is animating, we may need to copy
// its layer adjustment. Only do this if we are not transfering
// between two wallpaper targets.
mWallpaperAnimLayerAdjustment =
(mLowerWallpaperTarget == null && foundW.mAppToken != null)
? foundW.mAppToken.animLayerAdjustment : 0;
final int maxLayer = mPolicy.getMaxWallpaperLayer()
* TYPE_LAYER_MULTIPLIER
+ TYPE_LAYER_OFFSET;
// Now w is the window we are supposed to be behind... but we
// need to be sure to also be behind any of its attached windows,
// AND any starting window associated with it, AND below the
// maximum layer the policy allows for wallpapers.
while (foundI > 0) {
WindowState wb = (WindowState)localmWindows.get(foundI-1);
if (wb.mBaseLayer < maxLayer &&
wb.mAttachedWindow != foundW &&
(wb.mAttrs.type != TYPE_APPLICATION_STARTING ||
wb.mToken != foundW.mToken)) {
// This window is not related to the previous one in any
// interesting way, so stop here.
break;
}
foundW = wb;
foundI--;
}
} else {
if (DEBUG_WALLPAPER) Slog.v(TAG, "No wallpaper target");
}
if (foundW == null && topCurW != null) {
// There is no wallpaper target, so it goes at the bottom.
// We will assume it is the same place as last time, if known.
foundW = topCurW;
foundI = topCurI+1;
} else {
// Okay i is the position immediately above the wallpaper. Look at
// what is below it for later.
foundW = foundI > 0 ? (WindowState)localmWindows.get(foundI-1) : null;
}
if (visible) {
if (mWallpaperTarget.mWallpaperX >= 0) {
mLastWallpaperX = mWallpaperTarget.mWallpaperX;
mLastWallpaperXStep = mWallpaperTarget.mWallpaperXStep;
}
if (mWallpaperTarget.mWallpaperY >= 0) {
mLastWallpaperY = mWallpaperTarget.mWallpaperY;
mLastWallpaperYStep = mWallpaperTarget.mWallpaperYStep;
}
}
// Start stepping backwards from here, ensuring that our wallpaper windows
// are correctly placed.
int curTokenIndex = mWallpaperTokens.size();
while (curTokenIndex > 0) {
curTokenIndex--;
WindowToken token = mWallpaperTokens.get(curTokenIndex);
if (token.hidden == visible) {
changed |= ADJUST_WALLPAPER_VISIBILITY_CHANGED;
token.hidden = !visible;
// Need to do a layout to ensure the wallpaper now has the
// correct size.
mLayoutNeeded = true;
}
int curWallpaperIndex = token.windows.size();
while (curWallpaperIndex > 0) {
curWallpaperIndex--;
WindowState wallpaper = token.windows.get(curWallpaperIndex);
if (visible) {
updateWallpaperOffsetLocked(wallpaper, dw, dh, false);
}
// First, make sure the client has the current visibility
// state.
if (wallpaper.mWallpaperVisible != visible) {
wallpaper.mWallpaperVisible = visible;
try {
if (DEBUG_VISIBILITY || DEBUG_WALLPAPER) Slog.v(TAG,
"Setting visibility of wallpaper " + wallpaper
+ ": " + visible);
wallpaper.mClient.dispatchAppVisibility(visible);
} catch (RemoteException e) {
}
}
wallpaper.mAnimLayer = wallpaper.mLayer + mWallpaperAnimLayerAdjustment;
if (DEBUG_LAYERS || DEBUG_WALLPAPER) Slog.v(TAG, "Wallpaper win "
+ wallpaper + " anim layer: " + wallpaper.mAnimLayer);
// First, if this window is at the current index, then all
// is well.
if (wallpaper == foundW) {
foundI--;
foundW = foundI > 0
? (WindowState)localmWindows.get(foundI-1) : null;
continue;
}
// The window didn't match... the current wallpaper window,
// wherever it is, is in the wrong place, so make sure it is
// not in the list.
int oldIndex = localmWindows.indexOf(wallpaper);
if (oldIndex >= 0) {
if (DEBUG_WINDOW_MOVEMENT) Slog.v(TAG, "Wallpaper removing at "
+ oldIndex + ": " + wallpaper);
localmWindows.remove(oldIndex);
if (oldIndex < foundI) {
foundI--;
}
}
// Now stick it in.
if (DEBUG_WALLPAPER || DEBUG_WINDOW_MOVEMENT) Slog.v(TAG,
"Moving wallpaper " + wallpaper
+ " from " + oldIndex + " to " + foundI);
localmWindows.add(foundI, wallpaper);
changed |= ADJUST_WALLPAPER_LAYERS_CHANGED;
}
}
return changed;
}
void setWallpaperAnimLayerAdjustmentLocked(int adj) {
if (DEBUG_LAYERS || DEBUG_WALLPAPER) Slog.v(TAG,
"Setting wallpaper layer adj to " + adj);
mWallpaperAnimLayerAdjustment = adj;
int curTokenIndex = mWallpaperTokens.size();
while (curTokenIndex > 0) {
curTokenIndex--;
WindowToken token = mWallpaperTokens.get(curTokenIndex);
int curWallpaperIndex = token.windows.size();
while (curWallpaperIndex > 0) {
curWallpaperIndex--;
WindowState wallpaper = token.windows.get(curWallpaperIndex);
wallpaper.mAnimLayer = wallpaper.mLayer + adj;
if (DEBUG_LAYERS || DEBUG_WALLPAPER) Slog.v(TAG, "Wallpaper win "
+ wallpaper + " anim layer: " + wallpaper.mAnimLayer);
}
}
}
boolean updateWallpaperOffsetLocked(WindowState wallpaperWin, int dw, int dh,
boolean sync) {
boolean changed = false;
boolean rawChanged = false;
float wpx = mLastWallpaperX >= 0 ? mLastWallpaperX : 0.5f;
float wpxs = mLastWallpaperXStep >= 0 ? mLastWallpaperXStep : -1.0f;
int availw = wallpaperWin.mFrame.right-wallpaperWin.mFrame.left-dw;
int offset = availw > 0 ? -(int)(availw*wpx+.5f) : 0;
changed = wallpaperWin.mXOffset != offset;
if (changed) {
if (DEBUG_WALLPAPER) Slog.v(TAG, "Update wallpaper "
+ wallpaperWin + " x: " + offset);
wallpaperWin.mXOffset = offset;
}
if (wallpaperWin.mWallpaperX != wpx || wallpaperWin.mWallpaperXStep != wpxs) {
wallpaperWin.mWallpaperX = wpx;
wallpaperWin.mWallpaperXStep = wpxs;
rawChanged = true;
}
float wpy = mLastWallpaperY >= 0 ? mLastWallpaperY : 0.5f;
float wpys = mLastWallpaperYStep >= 0 ? mLastWallpaperYStep : -1.0f;
int availh = wallpaperWin.mFrame.bottom-wallpaperWin.mFrame.top-dh;
offset = availh > 0 ? -(int)(availh*wpy+.5f) : 0;
if (wallpaperWin.mYOffset != offset) {
if (DEBUG_WALLPAPER) Slog.v(TAG, "Update wallpaper "
+ wallpaperWin + " y: " + offset);
changed = true;
wallpaperWin.mYOffset = offset;
}
if (wallpaperWin.mWallpaperY != wpy || wallpaperWin.mWallpaperYStep != wpys) {
wallpaperWin.mWallpaperY = wpy;
wallpaperWin.mWallpaperYStep = wpys;
rawChanged = true;
}
if (rawChanged) {
try {
if (DEBUG_WALLPAPER) Slog.v(TAG, "Report new wp offset "
+ wallpaperWin + " x=" + wallpaperWin.mWallpaperX
+ " y=" + wallpaperWin.mWallpaperY);
if (sync) {
mWaitingOnWallpaper = wallpaperWin;
}
wallpaperWin.mClient.dispatchWallpaperOffsets(
wallpaperWin.mWallpaperX, wallpaperWin.mWallpaperY,
wallpaperWin.mWallpaperXStep, wallpaperWin.mWallpaperYStep, sync);
if (sync) {
if (mWaitingOnWallpaper != null) {
long start = SystemClock.uptimeMillis();
if ((mLastWallpaperTimeoutTime+WALLPAPER_TIMEOUT_RECOVERY)
< start) {
try {
if (DEBUG_WALLPAPER) Slog.v(TAG,
"Waiting for offset complete...");
mWindowMap.wait(WALLPAPER_TIMEOUT);
} catch (InterruptedException e) {
}
if (DEBUG_WALLPAPER) Slog.v(TAG, "Offset complete!");
if ((start+WALLPAPER_TIMEOUT)
< SystemClock.uptimeMillis()) {
Slog.i(TAG, "Timeout waiting for wallpaper to offset: "
+ wallpaperWin);
mLastWallpaperTimeoutTime = start;
}
}
mWaitingOnWallpaper = null;
}
}
} catch (RemoteException e) {
}
}
return changed;
}
void wallpaperOffsetsComplete(IBinder window) {
synchronized (mWindowMap) {
if (mWaitingOnWallpaper != null &&
mWaitingOnWallpaper.mClient.asBinder() == window) {
mWaitingOnWallpaper = null;
mWindowMap.notifyAll();
}
}
}
boolean updateWallpaperOffsetLocked(WindowState changingTarget, boolean sync) {
final int dw = mDisplay.getWidth();
final int dh = mDisplay.getHeight();
boolean changed = false;
WindowState target = mWallpaperTarget;
if (target != null) {
if (target.mWallpaperX >= 0) {
mLastWallpaperX = target.mWallpaperX;
} else if (changingTarget.mWallpaperX >= 0) {
mLastWallpaperX = changingTarget.mWallpaperX;
}
if (target.mWallpaperY >= 0) {
mLastWallpaperY = target.mWallpaperY;
} else if (changingTarget.mWallpaperY >= 0) {
mLastWallpaperY = changingTarget.mWallpaperY;
}
}
int curTokenIndex = mWallpaperTokens.size();
while (curTokenIndex > 0) {
curTokenIndex--;
WindowToken token = mWallpaperTokens.get(curTokenIndex);
int curWallpaperIndex = token.windows.size();
while (curWallpaperIndex > 0) {
curWallpaperIndex--;
WindowState wallpaper = token.windows.get(curWallpaperIndex);
if (updateWallpaperOffsetLocked(wallpaper, dw, dh, sync)) {
wallpaper.computeShownFrameLocked();
changed = true;
// We only want to be synchronous with one wallpaper.
sync = false;
}
}
}
return changed;
}
void updateWallpaperVisibilityLocked() {
final boolean visible = isWallpaperVisible(mWallpaperTarget);
final int dw = mDisplay.getWidth();
final int dh = mDisplay.getHeight();
int curTokenIndex = mWallpaperTokens.size();
while (curTokenIndex > 0) {
curTokenIndex--;
WindowToken token = mWallpaperTokens.get(curTokenIndex);
if (token.hidden == visible) {
token.hidden = !visible;
// Need to do a layout to ensure the wallpaper now has the
// correct size.
mLayoutNeeded = true;
}
int curWallpaperIndex = token.windows.size();
while (curWallpaperIndex > 0) {
curWallpaperIndex--;
WindowState wallpaper = token.windows.get(curWallpaperIndex);
if (visible) {
updateWallpaperOffsetLocked(wallpaper, dw, dh, false);
}
if (wallpaper.mWallpaperVisible != visible) {
wallpaper.mWallpaperVisible = visible;
try {
if (DEBUG_VISIBILITY || DEBUG_WALLPAPER) Slog.v(TAG,
"Updating visibility of wallpaper " + wallpaper
+ ": " + visible);
wallpaper.mClient.dispatchAppVisibility(visible);
} catch (RemoteException e) {
}
}
}
}
}
public int addWindow(Session session, IWindow client,
WindowManager.LayoutParams attrs, int viewVisibility,
Rect outContentInsets, InputChannel outInputChannel) {
int res = mPolicy.checkAddPermission(attrs);
if (res != WindowManagerImpl.ADD_OKAY) {
return res;
}
boolean reportNewConfig = false;
WindowState attachedWindow = null;
WindowState win = null;
synchronized(mWindowMap) {
// Instantiating a Display requires talking with the simulator,
// so don't do it until we know the system is mostly up and
// running.
if (mDisplay == null) {
WindowManager wm = (WindowManager)mContext.getSystemService(Context.WINDOW_SERVICE);
mDisplay = wm.getDefaultDisplay();
mInitialDisplayWidth = mDisplay.getWidth();
mInitialDisplayHeight = mDisplay.getHeight();
mInputManager.setDisplaySize(0, mInitialDisplayWidth, mInitialDisplayHeight);
reportNewConfig = true;
}
if (mWindowMap.containsKey(client.asBinder())) {
Slog.w(TAG, "Window " + client + " is already added");
return WindowManagerImpl.ADD_DUPLICATE_ADD;
}
if (attrs.type >= FIRST_SUB_WINDOW && attrs.type <= LAST_SUB_WINDOW) {
attachedWindow = windowForClientLocked(null, attrs.token, false);
if (attachedWindow == null) {
Slog.w(TAG, "Attempted to add window with token that is not a window: "
+ attrs.token + ". Aborting.");
return WindowManagerImpl.ADD_BAD_SUBWINDOW_TOKEN;
}
if (attachedWindow.mAttrs.type >= FIRST_SUB_WINDOW
&& attachedWindow.mAttrs.type <= LAST_SUB_WINDOW) {
Slog.w(TAG, "Attempted to add window with token that is a sub-window: "
+ attrs.token + ". Aborting.");
return WindowManagerImpl.ADD_BAD_SUBWINDOW_TOKEN;
}
}
boolean addToken = false;
WindowToken token = mTokenMap.get(attrs.token);
if (token == null) {
if (attrs.type >= FIRST_APPLICATION_WINDOW
&& attrs.type <= LAST_APPLICATION_WINDOW) {
Slog.w(TAG, "Attempted to add application window with unknown token "
+ attrs.token + ". Aborting.");
return WindowManagerImpl.ADD_BAD_APP_TOKEN;
}
if (attrs.type == TYPE_INPUT_METHOD) {
Slog.w(TAG, "Attempted to add input method window with unknown token "
+ attrs.token + ". Aborting.");
return WindowManagerImpl.ADD_BAD_APP_TOKEN;
}
if (attrs.type == TYPE_WALLPAPER) {
Slog.w(TAG, "Attempted to add wallpaper window with unknown token "
+ attrs.token + ". Aborting.");
return WindowManagerImpl.ADD_BAD_APP_TOKEN;
}
token = new WindowToken(attrs.token, -1, false);
addToken = true;
} else if (attrs.type >= FIRST_APPLICATION_WINDOW
&& attrs.type <= LAST_APPLICATION_WINDOW) {
AppWindowToken atoken = token.appWindowToken;
if (atoken == null) {
Slog.w(TAG, "Attempted to add window with non-application token "
+ token + ". Aborting.");
return WindowManagerImpl.ADD_NOT_APP_TOKEN;
} else if (atoken.removed) {
Slog.w(TAG, "Attempted to add window with exiting application token "
+ token + ". Aborting.");
return WindowManagerImpl.ADD_APP_EXITING;
}
if (attrs.type == TYPE_APPLICATION_STARTING && atoken.firstWindowDrawn) {
// No need for this guy!
if (localLOGV) Slog.v(
TAG, "**** NO NEED TO START: " + attrs.getTitle());
return WindowManagerImpl.ADD_STARTING_NOT_NEEDED;
}
} else if (attrs.type == TYPE_INPUT_METHOD) {
if (token.windowType != TYPE_INPUT_METHOD) {
Slog.w(TAG, "Attempted to add input method window with bad token "
+ attrs.token + ". Aborting.");
return WindowManagerImpl.ADD_BAD_APP_TOKEN;
}
} else if (attrs.type == TYPE_WALLPAPER) {
if (token.windowType != TYPE_WALLPAPER) {
Slog.w(TAG, "Attempted to add wallpaper window with bad token "
+ attrs.token + ". Aborting.");
return WindowManagerImpl.ADD_BAD_APP_TOKEN;
}
}
win = new WindowState(session, client, token,
attachedWindow, attrs, viewVisibility);
if (win.mDeathRecipient == null) {
// Client has apparently died, so there is no reason to
// continue.
Slog.w(TAG, "Adding window client " + client.asBinder()
+ " that is dead, aborting.");
return WindowManagerImpl.ADD_APP_EXITING;
}
mPolicy.adjustWindowParamsLw(win.mAttrs);
res = mPolicy.prepareAddWindowLw(win, attrs);
if (res != WindowManagerImpl.ADD_OKAY) {
return res;
}
if (outInputChannel != null) {
String name = win.makeInputChannelName();
InputChannel[] inputChannels = InputChannel.openInputChannelPair(name);
win.mInputChannel = inputChannels[0];
inputChannels[1].transferToBinderOutParameter(outInputChannel);
mInputManager.registerInputChannel(win.mInputChannel);
}
// From now on, no exceptions or errors allowed!
res = WindowManagerImpl.ADD_OKAY;
final long origId = Binder.clearCallingIdentity();
if (addToken) {
mTokenMap.put(attrs.token, token);
mTokenList.add(token);
}
win.attach();
mWindowMap.put(client.asBinder(), win);
if (attrs.type == TYPE_APPLICATION_STARTING &&
token.appWindowToken != null) {
token.appWindowToken.startingWindow = win;
}
boolean imMayMove = true;
if (attrs.type == TYPE_INPUT_METHOD) {
mInputMethodWindow = win;
addInputMethodWindowToListLocked(win);
imMayMove = false;
} else if (attrs.type == TYPE_INPUT_METHOD_DIALOG) {
mInputMethodDialogs.add(win);
addWindowToListInOrderLocked(win, true);
adjustInputMethodDialogsLocked();
imMayMove = false;
} else {
addWindowToListInOrderLocked(win, true);
if (attrs.type == TYPE_WALLPAPER) {
mLastWallpaperTimeoutTime = 0;
adjustWallpaperWindowsLocked();
} else if ((attrs.flags&FLAG_SHOW_WALLPAPER) != 0) {
adjustWallpaperWindowsLocked();
}
}
win.mEnterAnimationPending = true;
mPolicy.getContentInsetHintLw(attrs, outContentInsets);
if (mInTouchMode) {
res |= WindowManagerImpl.ADD_FLAG_IN_TOUCH_MODE;
}
if (win == null || win.mAppToken == null || !win.mAppToken.clientHidden) {
res |= WindowManagerImpl.ADD_FLAG_APP_VISIBLE;
}
boolean focusChanged = false;
if (win.canReceiveKeys()) {
focusChanged = updateFocusedWindowLocked(UPDATE_FOCUS_WILL_ASSIGN_LAYERS);
if (focusChanged) {
imMayMove = false;
}
}
if (imMayMove) {
moveInputMethodWindowsIfNeededLocked(false);
}
assignLayersLocked();
// Don't do layout here, the window must call
// relayout to be displayed, so we'll do it there.
//dump();
if (focusChanged) {
finishUpdateFocusedWindowAfterAssignLayersLocked();
}
if (localLOGV) Slog.v(
TAG, "New client " + client.asBinder()
+ ": window=" + win);
if (win.isVisibleOrAdding() && updateOrientationFromAppTokensLocked()) {
reportNewConfig = true;
}
}
// sendNewConfiguration() checks caller permissions so we must call it with
// privilege. updateOrientationFromAppTokens() clears and resets the caller
// identity anyway, so it's safe to just clear & restore around this whole
// block.
final long origId = Binder.clearCallingIdentity();
if (reportNewConfig) {
sendNewConfiguration();
}
Binder.restoreCallingIdentity(origId);
return res;
}
public void removeWindow(Session session, IWindow client) {
synchronized(mWindowMap) {
WindowState win = windowForClientLocked(session, client, false);
if (win == null) {
return;
}
removeWindowLocked(session, win);
}
}
public void removeWindowLocked(Session session, WindowState win) {
if (localLOGV || DEBUG_FOCUS) Slog.v(
TAG, "Remove " + win + " client="
+ Integer.toHexString(System.identityHashCode(
win.mClient.asBinder()))
+ ", surface=" + win.mSurface);
final long origId = Binder.clearCallingIdentity();
if (DEBUG_APP_TRANSITIONS) Slog.v(
TAG, "Remove " + win + ": mSurface=" + win.mSurface
+ " mExiting=" + win.mExiting
+ " isAnimating=" + win.isAnimating()
+ " app-animation="
+ (win.mAppToken != null ? win.mAppToken.animation : null)
+ " inPendingTransaction="
+ (win.mAppToken != null ? win.mAppToken.inPendingTransaction : false)
+ " mDisplayFrozen=" + mDisplayFrozen);
// Visibility of the removed window. Will be used later to update orientation later on.
boolean wasVisible = false;
// First, see if we need to run an animation. If we do, we have
// to hold off on removing the window until the animation is done.
// If the display is frozen, just remove immediately, since the
// animation wouldn't be seen.
if (win.mSurface != null && !mDisplayFrozen && mPolicy.isScreenOn()) {
// If we are not currently running the exit animation, we
// need to see about starting one.
if (wasVisible=win.isWinVisibleLw()) {
int transit = WindowManagerPolicy.TRANSIT_EXIT;
if (win.getAttrs().type == TYPE_APPLICATION_STARTING) {
transit = WindowManagerPolicy.TRANSIT_PREVIEW_DONE;
}
// Try starting an animation.
if (applyAnimationLocked(win, transit, false)) {
win.mExiting = true;
}
}
if (win.mExiting || win.isAnimating()) {
// The exit animation is running... wait for it!
//Slog.i(TAG, "*** Running exit animation...");
win.mExiting = true;
win.mRemoveOnExit = true;
mLayoutNeeded = true;
updateFocusedWindowLocked(UPDATE_FOCUS_WILL_PLACE_SURFACES);
performLayoutAndPlaceSurfacesLocked();
if (win.mAppToken != null) {
win.mAppToken.updateReportedVisibilityLocked();
}
//dump();
Binder.restoreCallingIdentity(origId);
return;
}
}
removeWindowInnerLocked(session, win);
// Removing a visible window will effect the computed orientation
// So just update orientation if needed.
if (wasVisible && computeForcedAppOrientationLocked()
!= mForcedAppOrientation
&& updateOrientationFromAppTokensLocked()) {
mH.sendEmptyMessage(H.SEND_NEW_CONFIGURATION);
}
updateFocusedWindowLocked(UPDATE_FOCUS_NORMAL);
Binder.restoreCallingIdentity(origId);
}
private void removeWindowInnerLocked(Session session, WindowState win) {
mInputMonitor.windowIsBeingRemovedLw(win);
win.mRemoved = true;
if (mInputMethodTarget == win) {
moveInputMethodWindowsIfNeededLocked(false);
}
if (false) {
RuntimeException e = new RuntimeException("here");
e.fillInStackTrace();
Slog.w(TAG, "Removing window " + win, e);
}
mPolicy.removeWindowLw(win);
win.removeLocked();
mWindowMap.remove(win.mClient.asBinder());
mWindows.remove(win);
if (DEBUG_WINDOW_MOVEMENT) Slog.v(TAG, "Final remove of window: " + win);
if (mInputMethodWindow == win) {
mInputMethodWindow = null;
} else if (win.mAttrs.type == TYPE_INPUT_METHOD_DIALOG) {
mInputMethodDialogs.remove(win);
}
final WindowToken token = win.mToken;
final AppWindowToken atoken = win.mAppToken;
token.windows.remove(win);
if (atoken != null) {
atoken.allAppWindows.remove(win);
}
if (localLOGV) Slog.v(
TAG, "**** Removing window " + win + ": count="
+ token.windows.size());
if (token.windows.size() == 0) {
if (!token.explicit) {
mTokenMap.remove(token.token);
mTokenList.remove(token);
} else if (atoken != null) {
atoken.firstWindowDrawn = false;
}
}
if (atoken != null) {
if (atoken.startingWindow == win) {
atoken.startingWindow = null;
} else if (atoken.allAppWindows.size() == 0 && atoken.startingData != null) {
// If this is the last window and we had requested a starting
// transition window, well there is no point now.
atoken.startingData = null;
} else if (atoken.allAppWindows.size() == 1 && atoken.startingView != null) {
// If this is the last window except for a starting transition
// window, we need to get rid of the starting transition.
if (DEBUG_STARTING_WINDOW) {
Slog.v(TAG, "Schedule remove starting " + token
+ ": no more real windows");
}
Message m = mH.obtainMessage(H.REMOVE_STARTING, atoken);
mH.sendMessage(m);
}
}
if (win.mAttrs.type == TYPE_WALLPAPER) {
mLastWallpaperTimeoutTime = 0;
adjustWallpaperWindowsLocked();
} else if ((win.mAttrs.flags&FLAG_SHOW_WALLPAPER) != 0) {
adjustWallpaperWindowsLocked();
}
if (!mInLayout) {
assignLayersLocked();
mLayoutNeeded = true;
performLayoutAndPlaceSurfacesLocked();
if (win.mAppToken != null) {
win.mAppToken.updateReportedVisibilityLocked();
}
}
}
private static void logSurface(WindowState w, String msg, RuntimeException where) {
String str = " SURFACE " + Integer.toHexString(w.hashCode())
+ ": " + msg + " / " + w.mAttrs.getTitle();
if (where != null) {
Slog.i(TAG, str, where);
} else {
Slog.i(TAG, str);
}
}
private void setTransparentRegionWindow(Session session, IWindow client, Region region) {
long origId = Binder.clearCallingIdentity();
try {
synchronized (mWindowMap) {
WindowState w = windowForClientLocked(session, client, false);
if ((w != null) && (w.mSurface != null)) {
if (SHOW_TRANSACTIONS) Slog.i(TAG, ">>> OPEN TRANSACTION");
Surface.openTransaction();
try {
if (SHOW_TRANSACTIONS) logSurface(w,
"transparentRegionHint=" + region, null);
w.mSurface.setTransparentRegionHint(region);
} finally {
if (SHOW_TRANSACTIONS) Slog.i(TAG, "<<< CLOSE TRANSACTION");
Surface.closeTransaction();
}
}
}
} finally {
Binder.restoreCallingIdentity(origId);
}
}
void setInsetsWindow(Session session, IWindow client,
int touchableInsets, Rect contentInsets,
Rect visibleInsets) {
long origId = Binder.clearCallingIdentity();
try {
synchronized (mWindowMap) {
WindowState w = windowForClientLocked(session, client, false);
if (w != null) {
w.mGivenInsetsPending = false;
w.mGivenContentInsets.set(contentInsets);
w.mGivenVisibleInsets.set(visibleInsets);
w.mTouchableInsets = touchableInsets;
mLayoutNeeded = true;
performLayoutAndPlaceSurfacesLocked();
}
}
} finally {
Binder.restoreCallingIdentity(origId);
}
}
public void getWindowDisplayFrame(Session session, IWindow client,
Rect outDisplayFrame) {
synchronized(mWindowMap) {
WindowState win = windowForClientLocked(session, client, false);
if (win == null) {
outDisplayFrame.setEmpty();
return;
}
outDisplayFrame.set(win.mDisplayFrame);
}
}
public void setWindowWallpaperPositionLocked(WindowState window, float x, float y,
float xStep, float yStep) {
if (window.mWallpaperX != x || window.mWallpaperY != y) {
window.mWallpaperX = x;
window.mWallpaperY = y;
window.mWallpaperXStep = xStep;
window.mWallpaperYStep = yStep;
if (updateWallpaperOffsetLocked(window, true)) {
performLayoutAndPlaceSurfacesLocked();
}
}
}
void wallpaperCommandComplete(IBinder window, Bundle result) {
synchronized (mWindowMap) {
if (mWaitingOnWallpaper != null &&
mWaitingOnWallpaper.mClient.asBinder() == window) {
mWaitingOnWallpaper = null;
mWindowMap.notifyAll();
}
}
}
public Bundle sendWindowWallpaperCommandLocked(WindowState window,
String action, int x, int y, int z, Bundle extras, boolean sync) {
if (window == mWallpaperTarget || window == mLowerWallpaperTarget
|| window == mUpperWallpaperTarget) {
boolean doWait = sync;
int curTokenIndex = mWallpaperTokens.size();
while (curTokenIndex > 0) {
curTokenIndex--;
WindowToken token = mWallpaperTokens.get(curTokenIndex);
int curWallpaperIndex = token.windows.size();
while (curWallpaperIndex > 0) {
curWallpaperIndex--;
WindowState wallpaper = token.windows.get(curWallpaperIndex);
try {
wallpaper.mClient.dispatchWallpaperCommand(action,
x, y, z, extras, sync);
// We only want to be synchronous with one wallpaper.
sync = false;
} catch (RemoteException e) {
}
}
}
if (doWait) {
// XXX Need to wait for result.
}
}
return null;
}
public int relayoutWindow(Session session, IWindow client,
WindowManager.LayoutParams attrs, int requestedWidth,
int requestedHeight, int viewVisibility, boolean insetsPending,
Rect outFrame, Rect outContentInsets, Rect outVisibleInsets,
Configuration outConfig, Surface outSurface) {
boolean displayed = false;
boolean inTouchMode;
boolean configChanged;
long origId = Binder.clearCallingIdentity();
synchronized(mWindowMap) {
WindowState win = windowForClientLocked(session, client, false);
if (win == null) {
return 0;
}
win.mRequestedWidth = requestedWidth;
win.mRequestedHeight = requestedHeight;
if (attrs != null) {
mPolicy.adjustWindowParamsLw(attrs);
}
int attrChanges = 0;
int flagChanges = 0;
if (attrs != null) {
flagChanges = win.mAttrs.flags ^= attrs.flags;
attrChanges = win.mAttrs.copyFrom(attrs);
}
if (DEBUG_LAYOUT) Slog.v(TAG, "Relayout " + win + ": " + win.mAttrs);
if ((attrChanges & WindowManager.LayoutParams.ALPHA_CHANGED) != 0) {
win.mAlpha = attrs.alpha;
}
final boolean scaledWindow =
((win.mAttrs.flags & WindowManager.LayoutParams.FLAG_SCALED) != 0);
if (scaledWindow) {
// requested{Width|Height} Surface's physical size
// attrs.{width|height} Size on screen
win.mHScale = (attrs.width != requestedWidth) ?
(attrs.width / (float)requestedWidth) : 1.0f;
win.mVScale = (attrs.height != requestedHeight) ?
(attrs.height / (float)requestedHeight) : 1.0f;
} else {
win.mHScale = win.mVScale = 1;
}
boolean imMayMove = (flagChanges&(
WindowManager.LayoutParams.FLAG_ALT_FOCUSABLE_IM |
WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE)) != 0;
boolean focusMayChange = win.mViewVisibility != viewVisibility
|| ((flagChanges&WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE) != 0)
|| (!win.mRelayoutCalled);
boolean wallpaperMayMove = win.mViewVisibility != viewVisibility
&& (win.mAttrs.flags & FLAG_SHOW_WALLPAPER) != 0;
win.mRelayoutCalled = true;
final int oldVisibility = win.mViewVisibility;
win.mViewVisibility = viewVisibility;
if (viewVisibility == View.VISIBLE &&
(win.mAppToken == null || !win.mAppToken.clientHidden)) {
displayed = !win.isVisibleLw();
if (win.mExiting) {
win.mExiting = false;
win.mAnimation = null;
}
if (win.mDestroying) {
win.mDestroying = false;
mDestroySurface.remove(win);
}
if (oldVisibility == View.GONE) {
win.mEnterAnimationPending = true;
}
if (displayed) {
if (win.mSurface != null && !win.mDrawPending
&& !win.mCommitDrawPending && !mDisplayFrozen
&& mPolicy.isScreenOn()) {
applyEnterAnimationLocked(win);
}
if ((win.mAttrs.flags
& WindowManager.LayoutParams.FLAG_TURN_SCREEN_ON) != 0) {
if (DEBUG_VISIBILITY) Slog.v(TAG,
"Relayout window turning screen on: " + win);
win.mTurnOnScreen = true;
}
int diff = 0;
if (win.mConfiguration != mCurConfiguration
&& (win.mConfiguration == null
|| (diff=mCurConfiguration.diff(win.mConfiguration)) != 0)) {
win.mConfiguration = mCurConfiguration;
if (DEBUG_CONFIGURATION) {
Slog.i(TAG, "Window " + win + " visible with new config: "
+ win.mConfiguration + " / 0x"
+ Integer.toHexString(diff));
}
outConfig.setTo(mCurConfiguration);
}
}
if ((attrChanges&WindowManager.LayoutParams.FORMAT_CHANGED) != 0) {
// To change the format, we need to re-build the surface.
win.destroySurfaceLocked();
displayed = true;
}
try {
Surface surface = win.createSurfaceLocked();
if (surface != null) {
outSurface.copyFrom(surface);
win.mReportDestroySurface = false;
win.mSurfacePendingDestroy = false;
if (SHOW_TRANSACTIONS) Slog.i(TAG,
" OUT SURFACE " + outSurface + ": copied");
} else {
// For some reason there isn't a surface. Clear the
// caller's object so they see the same state.
outSurface.release();
}
} catch (Exception e) {
Slog.w(TAG, "Exception thrown when creating surface for client "
+ client + " (" + win.mAttrs.getTitle() + ")",
e);
Binder.restoreCallingIdentity(origId);
return 0;
}
if (displayed) {
focusMayChange = true;
}
if (win.mAttrs.type == TYPE_INPUT_METHOD
&& mInputMethodWindow == null) {
mInputMethodWindow = win;
imMayMove = true;
}
if (win.mAttrs.type == TYPE_BASE_APPLICATION
&& win.mAppToken != null
&& win.mAppToken.startingWindow != null) {
// Special handling of starting window over the base
// window of the app: propagate lock screen flags to it,
// to provide the correct semantics while starting.
final int mask =
WindowManager.LayoutParams.FLAG_SHOW_WHEN_LOCKED
| WindowManager.LayoutParams.FLAG_DISMISS_KEYGUARD
| WindowManager.LayoutParams.FLAG_ALLOW_LOCK_WHILE_SCREEN_ON;
WindowManager.LayoutParams sa = win.mAppToken.startingWindow.mAttrs;
sa.flags = (sa.flags&~mask) | (win.mAttrs.flags&mask);
}
} else {
win.mEnterAnimationPending = false;
if (win.mSurface != null) {
if (DEBUG_VISIBILITY) Slog.i(TAG, "Relayout invis " + win
+ ": mExiting=" + win.mExiting
+ " mSurfacePendingDestroy=" + win.mSurfacePendingDestroy);
// If we are not currently running the exit animation, we
// need to see about starting one.
if (!win.mExiting || win.mSurfacePendingDestroy) {
// Try starting an animation; if there isn't one, we
// can destroy the surface right away.
int transit = WindowManagerPolicy.TRANSIT_EXIT;
if (win.getAttrs().type == TYPE_APPLICATION_STARTING) {
transit = WindowManagerPolicy.TRANSIT_PREVIEW_DONE;
}
if (!win.mSurfacePendingDestroy && win.isWinVisibleLw() &&
applyAnimationLocked(win, transit, false)) {
focusMayChange = true;
win.mExiting = true;
mInputMonitor.windowIsBecomingInvisibleLw(win);
} else if (win.isAnimating()) {
// Currently in a hide animation... turn this into
// an exit.
win.mExiting = true;
} else if (win == mWallpaperTarget) {
// If the wallpaper is currently behind this
// window, we need to change both of them inside
// of a transaction to avoid artifacts.
win.mExiting = true;
win.mAnimating = true;
} else {
if (mInputMethodWindow == win) {
mInputMethodWindow = null;
}
win.destroySurfaceLocked();
}
}
}
if (win.mSurface == null || (win.getAttrs().flags
& WindowManager.LayoutParams.FLAG_KEEP_SURFACE_WHILE_ANIMATING) == 0
|| win.mSurfacePendingDestroy) {
// We are being called from a local process, which
// means outSurface holds its current surface. Ensure the
// surface object is cleared, but we don't want it actually
// destroyed at this point.
win.mSurfacePendingDestroy = false;
outSurface.release();
if (DEBUG_VISIBILITY) Slog.i(TAG, "Releasing surface in: " + win);
} else if (win.mSurface != null) {
if (DEBUG_VISIBILITY) Slog.i(TAG,
"Keeping surface, will report destroy: " + win);
win.mReportDestroySurface = true;
outSurface.copyFrom(win.mSurface);
}
}
if (focusMayChange) {
//System.out.println("Focus may change: " + win.mAttrs.getTitle());
if (updateFocusedWindowLocked(UPDATE_FOCUS_WILL_PLACE_SURFACES)) {
imMayMove = false;
}
//System.out.println("Relayout " + win + ": focus=" + mCurrentFocus);
}
// updateFocusedWindowLocked() already assigned layers so we only need to
// reassign them at this point if the IM window state gets shuffled
boolean assignLayers = false;
if (imMayMove) {
if (moveInputMethodWindowsIfNeededLocked(false) || displayed) {
// Little hack here -- we -should- be able to rely on the
// function to return true if the IME has moved and needs
// its layer recomputed. However, if the IME was hidden
// and isn't actually moved in the list, its layer may be
// out of data so we make sure to recompute it.
assignLayers = true;
}
}
if (wallpaperMayMove) {
if ((adjustWallpaperWindowsLocked()&ADJUST_WALLPAPER_LAYERS_CHANGED) != 0) {
assignLayers = true;
}
}
mLayoutNeeded = true;
win.mGivenInsetsPending = insetsPending;
if (assignLayers) {
assignLayersLocked();
}
configChanged = updateOrientationFromAppTokensLocked();
performLayoutAndPlaceSurfacesLocked();
if (displayed && win.mIsWallpaper) {
updateWallpaperOffsetLocked(win, mDisplay.getWidth(),
mDisplay.getHeight(), false);
}
if (win.mAppToken != null) {
win.mAppToken.updateReportedVisibilityLocked();
}
outFrame.set(win.mFrame);
outContentInsets.set(win.mContentInsets);
outVisibleInsets.set(win.mVisibleInsets);
if (localLOGV) Slog.v(
TAG, "Relayout given client " + client.asBinder()
+ ", requestedWidth=" + requestedWidth
+ ", requestedHeight=" + requestedHeight
+ ", viewVisibility=" + viewVisibility
+ "\nRelayout returning frame=" + outFrame
+ ", surface=" + outSurface);
if (localLOGV || DEBUG_FOCUS) Slog.v(
TAG, "Relayout of " + win + ": focusMayChange=" + focusMayChange);
inTouchMode = mInTouchMode;
}
if (configChanged) {
sendNewConfiguration();
}
Binder.restoreCallingIdentity(origId);
return (inTouchMode ? WindowManagerImpl.RELAYOUT_IN_TOUCH_MODE : 0)
| (displayed ? WindowManagerImpl.RELAYOUT_FIRST_TIME : 0);
}
public void finishDrawingWindow(Session session, IWindow client) {
final long origId = Binder.clearCallingIdentity();
synchronized(mWindowMap) {
WindowState win = windowForClientLocked(session, client, false);
if (win != null && win.finishDrawingLocked()) {
if ((win.mAttrs.flags&FLAG_SHOW_WALLPAPER) != 0) {
adjustWallpaperWindowsLocked();
}
mLayoutNeeded = true;
performLayoutAndPlaceSurfacesLocked();
}
}
Binder.restoreCallingIdentity(origId);
}
private AttributeCache.Entry getCachedAnimations(WindowManager.LayoutParams lp) {
if (DEBUG_ANIM) Slog.v(TAG, "Loading animations: params package="
+ (lp != null ? lp.packageName : null)
+ " resId=0x" + (lp != null ? Integer.toHexString(lp.windowAnimations) : null));
if (lp != null && lp.windowAnimations != 0) {
// If this is a system resource, don't try to load it from the
// application resources. It is nice to avoid loading application
// resources if we can.
String packageName = lp.packageName != null ? lp.packageName : "android";
int resId = lp.windowAnimations;
if ((resId&0xFF000000) == 0x01000000) {
packageName = "android";
}
if (DEBUG_ANIM) Slog.v(TAG, "Loading animations: picked package="
+ packageName);
return AttributeCache.instance().get(packageName, resId,
com.android.internal.R.styleable.WindowAnimation);
}
return null;
}
private AttributeCache.Entry getCachedAnimations(String packageName, int resId) {
if (DEBUG_ANIM) Slog.v(TAG, "Loading animations: params package="
+ packageName + " resId=0x" + Integer.toHexString(resId));
if (packageName != null) {
if ((resId&0xFF000000) == 0x01000000) {
packageName = "android";
}
if (DEBUG_ANIM) Slog.v(TAG, "Loading animations: picked package="
+ packageName);
return AttributeCache.instance().get(packageName, resId,
com.android.internal.R.styleable.WindowAnimation);
}
return null;
}
private void applyEnterAnimationLocked(WindowState win) {
int transit = WindowManagerPolicy.TRANSIT_SHOW;
if (win.mEnterAnimationPending) {
win.mEnterAnimationPending = false;
transit = WindowManagerPolicy.TRANSIT_ENTER;
}
applyAnimationLocked(win, transit, true);
}
private boolean applyAnimationLocked(WindowState win,
int transit, boolean isEntrance) {
if (win.mLocalAnimating && win.mAnimationIsEntrance == isEntrance) {
// If we are trying to apply an animation, but already running
// an animation of the same type, then just leave that one alone.
return true;
}
// Only apply an animation if the display isn't frozen. If it is
// frozen, there is no reason to animate and it can cause strange
// artifacts when we unfreeze the display if some different animation
// is running.
if (!mDisplayFrozen && mPolicy.isScreenOn()) {
int anim = mPolicy.selectAnimationLw(win, transit);
int attr = -1;
Animation a = null;
if (anim != 0) {
a = AnimationUtils.loadAnimation(mContext, anim);
} else {
switch (transit) {
case WindowManagerPolicy.TRANSIT_ENTER:
attr = com.android.internal.R.styleable.WindowAnimation_windowEnterAnimation;
break;
case WindowManagerPolicy.TRANSIT_EXIT:
attr = com.android.internal.R.styleable.WindowAnimation_windowExitAnimation;
break;
case WindowManagerPolicy.TRANSIT_SHOW:
attr = com.android.internal.R.styleable.WindowAnimation_windowShowAnimation;
break;
case WindowManagerPolicy.TRANSIT_HIDE:
attr = com.android.internal.R.styleable.WindowAnimation_windowHideAnimation;
break;
}
if (attr >= 0) {
a = loadAnimation(win.mAttrs, attr);
}
}
if (DEBUG_ANIM) Slog.v(TAG, "applyAnimation: win=" + win
+ " anim=" + anim + " attr=0x" + Integer.toHexString(attr)
+ " mAnimation=" + win.mAnimation
+ " isEntrance=" + isEntrance);
if (a != null) {
if (DEBUG_ANIM) {
RuntimeException e = null;
if (!HIDE_STACK_CRAWLS) {
e = new RuntimeException();
e.fillInStackTrace();
}
Slog.v(TAG, "Loaded animation " + a + " for " + win, e);
}
win.setAnimation(a);
win.mAnimationIsEntrance = isEntrance;
}
} else {
win.clearAnimation();
}
return win.mAnimation != null;
}
private Animation loadAnimation(WindowManager.LayoutParams lp, int animAttr) {
int anim = 0;
Context context = mContext;
if (animAttr >= 0) {
AttributeCache.Entry ent = getCachedAnimations(lp);
if (ent != null) {
context = ent.context;
anim = ent.array.getResourceId(animAttr, 0);
}
}
if (anim != 0) {
return AnimationUtils.loadAnimation(context, anim);
}
return null;
}
private Animation loadAnimation(String packageName, int resId) {
int anim = 0;
Context context = mContext;
if (resId >= 0) {
AttributeCache.Entry ent = getCachedAnimations(packageName, resId);
if (ent != null) {
context = ent.context;
anim = resId;
}
}
if (anim != 0) {
return AnimationUtils.loadAnimation(context, anim);
}
return null;
}
private boolean applyAnimationLocked(AppWindowToken wtoken,
WindowManager.LayoutParams lp, int transit, boolean enter) {
// Only apply an animation if the display isn't frozen. If it is
// frozen, there is no reason to animate and it can cause strange
// artifacts when we unfreeze the display if some different animation
// is running.
if (!mDisplayFrozen && mPolicy.isScreenOn()) {
Animation a;
if (lp != null && (lp.flags & FLAG_COMPATIBLE_WINDOW) != 0) {
a = new FadeInOutAnimation(enter);
if (DEBUG_ANIM) Slog.v(TAG,
"applying FadeInOutAnimation for a window in compatibility mode");
} else if (mNextAppTransitionPackage != null) {
a = loadAnimation(mNextAppTransitionPackage, enter ?
mNextAppTransitionEnter : mNextAppTransitionExit);
} else {
int animAttr = 0;
switch (transit) {
case WindowManagerPolicy.TRANSIT_ACTIVITY_OPEN:
animAttr = enter
? com.android.internal.R.styleable.WindowAnimation_activityOpenEnterAnimation
: com.android.internal.R.styleable.WindowAnimation_activityOpenExitAnimation;
break;
case WindowManagerPolicy.TRANSIT_ACTIVITY_CLOSE:
animAttr = enter
? com.android.internal.R.styleable.WindowAnimation_activityCloseEnterAnimation
: com.android.internal.R.styleable.WindowAnimation_activityCloseExitAnimation;
break;
case WindowManagerPolicy.TRANSIT_TASK_OPEN:
animAttr = enter
? com.android.internal.R.styleable.WindowAnimation_taskOpenEnterAnimation
: com.android.internal.R.styleable.WindowAnimation_taskOpenExitAnimation;
break;
case WindowManagerPolicy.TRANSIT_TASK_CLOSE:
animAttr = enter
? com.android.internal.R.styleable.WindowAnimation_taskCloseEnterAnimation
: com.android.internal.R.styleable.WindowAnimation_taskCloseExitAnimation;
break;
case WindowManagerPolicy.TRANSIT_TASK_TO_FRONT:
animAttr = enter
? com.android.internal.R.styleable.WindowAnimation_taskToFrontEnterAnimation
: com.android.internal.R.styleable.WindowAnimation_taskToFrontExitAnimation;
break;
case WindowManagerPolicy.TRANSIT_TASK_TO_BACK:
animAttr = enter
? com.android.internal.R.styleable.WindowAnimation_taskToBackEnterAnimation
: com.android.internal.R.styleable.WindowAnimation_taskToBackExitAnimation;
break;
case WindowManagerPolicy.TRANSIT_WALLPAPER_OPEN:
animAttr = enter
? com.android.internal.R.styleable.WindowAnimation_wallpaperOpenEnterAnimation
: com.android.internal.R.styleable.WindowAnimation_wallpaperOpenExitAnimation;
break;
case WindowManagerPolicy.TRANSIT_WALLPAPER_CLOSE:
animAttr = enter
? com.android.internal.R.styleable.WindowAnimation_wallpaperCloseEnterAnimation
: com.android.internal.R.styleable.WindowAnimation_wallpaperCloseExitAnimation;
break;
case WindowManagerPolicy.TRANSIT_WALLPAPER_INTRA_OPEN:
animAttr = enter
? com.android.internal.R.styleable.WindowAnimation_wallpaperIntraOpenEnterAnimation
: com.android.internal.R.styleable.WindowAnimation_wallpaperIntraOpenExitAnimation;
break;
case WindowManagerPolicy.TRANSIT_WALLPAPER_INTRA_CLOSE:
animAttr = enter
? com.android.internal.R.styleable.WindowAnimation_wallpaperIntraCloseEnterAnimation
: com.android.internal.R.styleable.WindowAnimation_wallpaperIntraCloseExitAnimation;
break;
}
a = animAttr != 0 ? loadAnimation(lp, animAttr) : null;
if (DEBUG_ANIM) Slog.v(TAG, "applyAnimation: wtoken=" + wtoken
+ " anim=" + a
+ " animAttr=0x" + Integer.toHexString(animAttr)
+ " transit=" + transit);
}
if (a != null) {
if (DEBUG_ANIM) {
RuntimeException e = null;
if (!HIDE_STACK_CRAWLS) {
e = new RuntimeException();
e.fillInStackTrace();
}
Slog.v(TAG, "Loaded animation " + a + " for " + wtoken, e);
}
wtoken.setAnimation(a);
}
} else {
wtoken.clearAnimation();
}
return wtoken.animation != null;
}
// -------------------------------------------------------------
// Application Window Tokens
// -------------------------------------------------------------
public void validateAppTokens(List tokens) {
int v = tokens.size()-1;
int m = mAppTokens.size()-1;
while (v >= 0 && m >= 0) {
AppWindowToken wtoken = mAppTokens.get(m);
if (wtoken.removed) {
m--;
continue;
}
if (tokens.get(v) != wtoken.token) {
Slog.w(TAG, "Tokens out of sync: external is " + tokens.get(v)
+ " @ " + v + ", internal is " + wtoken.token + " @ " + m);
}
v--;
m--;
}
while (v >= 0) {
Slog.w(TAG, "External token not found: " + tokens.get(v) + " @ " + v);
v--;
}
while (m >= 0) {
AppWindowToken wtoken = mAppTokens.get(m);
if (!wtoken.removed) {
Slog.w(TAG, "Invalid internal token: " + wtoken.token + " @ " + m);
}
m--;
}
}
boolean checkCallingPermission(String permission, String func) {
// Quick check: if the calling permission is me, it's all okay.
if (Binder.getCallingPid() == Process.myPid()) {
return true;
}
if (mContext.checkCallingPermission(permission)
== PackageManager.PERMISSION_GRANTED) {
return true;
}
String msg = "Permission Denial: " + func + " from pid="
+ Binder.getCallingPid()
+ ", uid=" + Binder.getCallingUid()
+ " requires " + permission;
Slog.w(TAG, msg);
return false;
}
AppWindowToken findAppWindowToken(IBinder token) {
WindowToken wtoken = mTokenMap.get(token);
if (wtoken == null) {
return null;
}
return wtoken.appWindowToken;
}
public void addWindowToken(IBinder token, int type) {
if (!checkCallingPermission(android.Manifest.permission.MANAGE_APP_TOKENS,
"addWindowToken()")) {
throw new SecurityException("Requires MANAGE_APP_TOKENS permission");
}
synchronized(mWindowMap) {
WindowToken wtoken = mTokenMap.get(token);
if (wtoken != null) {
Slog.w(TAG, "Attempted to add existing input method token: " + token);
return;
}
wtoken = new WindowToken(token, type, true);
mTokenMap.put(token, wtoken);
mTokenList.add(wtoken);
if (type == TYPE_WALLPAPER) {
mWallpaperTokens.add(wtoken);
}
}
}
public void removeWindowToken(IBinder token) {
if (!checkCallingPermission(android.Manifest.permission.MANAGE_APP_TOKENS,
"removeWindowToken()")) {
throw new SecurityException("Requires MANAGE_APP_TOKENS permission");
}
final long origId = Binder.clearCallingIdentity();
synchronized(mWindowMap) {
WindowToken wtoken = mTokenMap.remove(token);
mTokenList.remove(wtoken);
if (wtoken != null) {
boolean delayed = false;
if (!wtoken.hidden) {
wtoken.hidden = true;
final int N = wtoken.windows.size();
boolean changed = false;
for (int i=0; i<N; i++) {
WindowState win = wtoken.windows.get(i);
if (win.isAnimating()) {
delayed = true;
}
if (win.isVisibleNow()) {
applyAnimationLocked(win,
WindowManagerPolicy.TRANSIT_EXIT, false);
mInputMonitor.windowIsBeingRemovedLw(win);
changed = true;
}
}
if (changed) {
mLayoutNeeded = true;
performLayoutAndPlaceSurfacesLocked();
updateFocusedWindowLocked(UPDATE_FOCUS_NORMAL);
}
if (delayed) {
mExitingTokens.add(wtoken);
} else if (wtoken.windowType == TYPE_WALLPAPER) {
mWallpaperTokens.remove(wtoken);
}
}
} else {
Slog.w(TAG, "Attempted to remove non-existing token: " + token);
}
}
Binder.restoreCallingIdentity(origId);
}
public void addAppToken(int addPos, IApplicationToken token,
int groupId, int requestedOrientation, boolean fullscreen) {
if (!checkCallingPermission(android.Manifest.permission.MANAGE_APP_TOKENS,
"addAppToken()")) {
throw new SecurityException("Requires MANAGE_APP_TOKENS permission");
}
// Get the dispatching timeout here while we are not holding any locks so that it
// can be cached by the AppWindowToken. The timeout value is used later by the
// input dispatcher in code that does hold locks. If we did not cache the value
// here we would run the chance of introducing a deadlock between the window manager
// (which holds locks while updating the input dispatcher state) and the activity manager
// (which holds locks while querying the application token).
long inputDispatchingTimeoutNanos;
try {
inputDispatchingTimeoutNanos = token.getKeyDispatchingTimeout() * 1000000L;
} catch (RemoteException ex) {
Slog.w(TAG, "Could not get dispatching timeout.", ex);
inputDispatchingTimeoutNanos = DEFAULT_INPUT_DISPATCHING_TIMEOUT_NANOS;
}
synchronized(mWindowMap) {
AppWindowToken wtoken = findAppWindowToken(token.asBinder());
if (wtoken != null) {
Slog.w(TAG, "Attempted to add existing app token: " + token);
return;
}
wtoken = new AppWindowToken(token);
wtoken.inputDispatchingTimeoutNanos = inputDispatchingTimeoutNanos;
wtoken.groupId = groupId;
wtoken.appFullscreen = fullscreen;
wtoken.requestedOrientation = requestedOrientation;
mAppTokens.add(addPos, wtoken);
if (localLOGV) Slog.v(TAG, "Adding new app token: " + wtoken);
mTokenMap.put(token.asBinder(), wtoken);
mTokenList.add(wtoken);
// Application tokens start out hidden.
wtoken.hidden = true;
wtoken.hiddenRequested = true;
//dump();
}
}
public void setAppGroupId(IBinder token, int groupId) {
if (!checkCallingPermission(android.Manifest.permission.MANAGE_APP_TOKENS,
"setAppStartingIcon()")) {
throw new SecurityException("Requires MANAGE_APP_TOKENS permission");
}
synchronized(mWindowMap) {
AppWindowToken wtoken = findAppWindowToken(token);
if (wtoken == null) {
Slog.w(TAG, "Attempted to set group id of non-existing app token: " + token);
return;
}
wtoken.groupId = groupId;
}
}
public int getOrientationFromWindowsLocked() {
int pos = mWindows.size() - 1;
while (pos >= 0) {
WindowState wtoken = (WindowState) mWindows.get(pos);
pos--;
if (wtoken.mAppToken != null) {
// We hit an application window. so the orientation will be determined by the
// app window. No point in continuing further.
return ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED;
}
if (!wtoken.isVisibleLw() || !wtoken.mPolicyVisibilityAfterAnim) {
continue;
}
int req = wtoken.mAttrs.screenOrientation;
if((req == ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED) ||
(req == ActivityInfo.SCREEN_ORIENTATION_BEHIND)){
continue;
} else {
return req;
}
}
return ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED;
}
public int getOrientationFromAppTokensLocked() {
int pos = mAppTokens.size() - 1;
int curGroup = 0;
int lastOrientation = ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED;
boolean findingBehind = false;
boolean haveGroup = false;
boolean lastFullscreen = false;
while (pos >= 0) {
AppWindowToken wtoken = mAppTokens.get(pos);
pos--;
// if we're about to tear down this window and not seek for
// the behind activity, don't use it for orientation
if (!findingBehind
&& (!wtoken.hidden && wtoken.hiddenRequested)) {
continue;
}
if (!haveGroup) {
// We ignore any hidden applications on the top.
if (wtoken.hiddenRequested || wtoken.willBeHidden) {
continue;
}
haveGroup = true;
curGroup = wtoken.groupId;
lastOrientation = wtoken.requestedOrientation;
} else if (curGroup != wtoken.groupId) {
// If we have hit a new application group, and the bottom
// of the previous group didn't explicitly say to use
// the orientation behind it, and the last app was
// full screen, then we'll stick with the
// user's orientation.
if (lastOrientation != ActivityInfo.SCREEN_ORIENTATION_BEHIND
&& lastFullscreen) {
return lastOrientation;
}
}
int or = wtoken.requestedOrientation;
// If this application is fullscreen, and didn't explicitly say
// to use the orientation behind it, then just take whatever
// orientation it has and ignores whatever is under it.
lastFullscreen = wtoken.appFullscreen;
if (lastFullscreen
&& or != ActivityInfo.SCREEN_ORIENTATION_BEHIND) {
return or;
}
// If this application has requested an explicit orientation,
// then use it.
if (or == ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE ||
or == ActivityInfo.SCREEN_ORIENTATION_PORTRAIT ||
or == ActivityInfo.SCREEN_ORIENTATION_SENSOR ||
or == ActivityInfo.SCREEN_ORIENTATION_NOSENSOR ||
or == ActivityInfo.SCREEN_ORIENTATION_USER) {
return or;
}
findingBehind |= (or == ActivityInfo.SCREEN_ORIENTATION_BEHIND);
}
return ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED;
}
public Configuration updateOrientationFromAppTokens(
Configuration currentConfig, IBinder freezeThisOneIfNeeded) {
if (!checkCallingPermission(android.Manifest.permission.MANAGE_APP_TOKENS,
"updateOrientationFromAppTokens()")) {
throw new SecurityException("Requires MANAGE_APP_TOKENS permission");
}
Configuration config = null;
long ident = Binder.clearCallingIdentity();
synchronized(mWindowMap) {
if (updateOrientationFromAppTokensLocked()) {
if (freezeThisOneIfNeeded != null) {
AppWindowToken wtoken = findAppWindowToken(
freezeThisOneIfNeeded);
if (wtoken != null) {
startAppFreezingScreenLocked(wtoken,
ActivityInfo.CONFIG_ORIENTATION);
}
}
config = computeNewConfigurationLocked();
} else if (currentConfig != null) {
// No obvious action we need to take, but if our current
// state mismatches the activity maanager's, update it
mTempConfiguration.setToDefaults();
if (computeNewConfigurationLocked(mTempConfiguration)) {
if (currentConfig.diff(mTempConfiguration) != 0) {
mWaitingForConfig = true;
mLayoutNeeded = true;
startFreezingDisplayLocked();
config = new Configuration(mTempConfiguration);
}
}
}
}
Binder.restoreCallingIdentity(ident);
return config;
}
/*
* Determine the new desired orientation of the display, returning
* a non-null new Configuration if it has changed from the current
* orientation. IF TRUE IS RETURNED SOMEONE MUST CALL
* setNewConfiguration() TO TELL THE WINDOW MANAGER IT CAN UNFREEZE THE
* SCREEN. This will typically be done for you if you call
* sendNewConfiguration().
*
* The orientation is computed from non-application windows first. If none of
* the non-application windows specify orientation, the orientation is computed from
* application tokens.
* @see android.view.IWindowManager#updateOrientationFromAppTokens(
* android.os.IBinder)
*/
boolean updateOrientationFromAppTokensLocked() {
if (mDisplayFrozen) {
// If the display is frozen, some activities may be in the middle
// of restarting, and thus have removed their old window. If the
// window has the flag to hide the lock screen, then the lock screen
// can re-appear and inflict its own orientation on us. Keep the
// orientation stable until this all settles down.
return false;
}
boolean changed = false;
long ident = Binder.clearCallingIdentity();
try {
int req = computeForcedAppOrientationLocked();
if (req != mForcedAppOrientation) {
mForcedAppOrientation = req;
//send a message to Policy indicating orientation change to take
//action like disabling/enabling sensors etc.,
mPolicy.setCurrentOrientationLw(req);
if (setRotationUncheckedLocked(WindowManagerPolicy.USE_LAST_ROTATION,
mLastRotationFlags | Surface.FLAGS_ORIENTATION_ANIMATION_DISABLE)) {
changed = true;
}
}
return changed;
} finally {
Binder.restoreCallingIdentity(ident);
}
}
int computeForcedAppOrientationLocked() {
int req = getOrientationFromWindowsLocked();
if (req == ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED) {
req = getOrientationFromAppTokensLocked();
}
return req;
}
public void setNewConfiguration(Configuration config) {
if (!checkCallingPermission(android.Manifest.permission.MANAGE_APP_TOKENS,
"setNewConfiguration()")) {
throw new SecurityException("Requires MANAGE_APP_TOKENS permission");
}
synchronized(mWindowMap) {
mCurConfiguration = new Configuration(config);
mWaitingForConfig = false;
performLayoutAndPlaceSurfacesLocked();
}
}
public void setAppOrientation(IApplicationToken token, int requestedOrientation) {
if (!checkCallingPermission(android.Manifest.permission.MANAGE_APP_TOKENS,
"setAppOrientation()")) {
throw new SecurityException("Requires MANAGE_APP_TOKENS permission");
}
synchronized(mWindowMap) {
AppWindowToken wtoken = findAppWindowToken(token.asBinder());
if (wtoken == null) {
Slog.w(TAG, "Attempted to set orientation of non-existing app token: " + token);
return;
}
wtoken.requestedOrientation = requestedOrientation;
}
}
public int getAppOrientation(IApplicationToken token) {
synchronized(mWindowMap) {
AppWindowToken wtoken = findAppWindowToken(token.asBinder());
if (wtoken == null) {
return ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED;
}
return wtoken.requestedOrientation;
}
}
public void setFocusedApp(IBinder token, boolean moveFocusNow) {
if (!checkCallingPermission(android.Manifest.permission.MANAGE_APP_TOKENS,
"setFocusedApp()")) {
throw new SecurityException("Requires MANAGE_APP_TOKENS permission");
}
synchronized(mWindowMap) {
boolean changed = false;
if (token == null) {
if (DEBUG_FOCUS) Slog.v(TAG, "Clearing focused app, was " + mFocusedApp);
changed = mFocusedApp != null;
mFocusedApp = null;
if (changed) {
mInputMonitor.setFocusedAppLw(null);
}
} else {
AppWindowToken newFocus = findAppWindowToken(token);
if (newFocus == null) {
Slog.w(TAG, "Attempted to set focus to non-existing app token: " + token);
return;
}
changed = mFocusedApp != newFocus;
mFocusedApp = newFocus;
if (DEBUG_FOCUS) Slog.v(TAG, "Set focused app to: " + mFocusedApp);
if (changed) {
mInputMonitor.setFocusedAppLw(newFocus);
}
}
if (moveFocusNow && changed) {
final long origId = Binder.clearCallingIdentity();
updateFocusedWindowLocked(UPDATE_FOCUS_NORMAL);
Binder.restoreCallingIdentity(origId);
}
}
}
public void prepareAppTransition(int transit) {
if (!checkCallingPermission(android.Manifest.permission.MANAGE_APP_TOKENS,
"prepareAppTransition()")) {
throw new SecurityException("Requires MANAGE_APP_TOKENS permission");
}
synchronized(mWindowMap) {
if (DEBUG_APP_TRANSITIONS) Slog.v(
TAG, "Prepare app transition: transit=" + transit
+ " mNextAppTransition=" + mNextAppTransition);
if (!mDisplayFrozen && mPolicy.isScreenOn()) {
if (mNextAppTransition == WindowManagerPolicy.TRANSIT_UNSET
|| mNextAppTransition == WindowManagerPolicy.TRANSIT_NONE) {
mNextAppTransition = transit;
} else if (transit == WindowManagerPolicy.TRANSIT_TASK_OPEN
&& mNextAppTransition == WindowManagerPolicy.TRANSIT_TASK_CLOSE) {
// Opening a new task always supersedes a close for the anim.
mNextAppTransition = transit;
} else if (transit == WindowManagerPolicy.TRANSIT_ACTIVITY_OPEN
&& mNextAppTransition == WindowManagerPolicy.TRANSIT_ACTIVITY_CLOSE) {
// Opening a new activity always supersedes a close for the anim.
mNextAppTransition = transit;
}
mAppTransitionReady = false;
mAppTransitionTimeout = false;
mStartingIconInTransition = false;
mSkipAppTransitionAnimation = false;
mH.removeMessages(H.APP_TRANSITION_TIMEOUT);
mH.sendMessageDelayed(mH.obtainMessage(H.APP_TRANSITION_TIMEOUT),
5000);
}
}
}
public int getPendingAppTransition() {
return mNextAppTransition;
}
public void overridePendingAppTransition(String packageName,
int enterAnim, int exitAnim) {
if (mNextAppTransition != WindowManagerPolicy.TRANSIT_UNSET) {
mNextAppTransitionPackage = packageName;
mNextAppTransitionEnter = enterAnim;
mNextAppTransitionExit = exitAnim;
}
}
public void executeAppTransition() {
if (!checkCallingPermission(android.Manifest.permission.MANAGE_APP_TOKENS,
"executeAppTransition()")) {
throw new SecurityException("Requires MANAGE_APP_TOKENS permission");
}
synchronized(mWindowMap) {
if (DEBUG_APP_TRANSITIONS) {
RuntimeException e = new RuntimeException("here");
e.fillInStackTrace();
Slog.w(TAG, "Execute app transition: mNextAppTransition="
+ mNextAppTransition, e);
}
if (mNextAppTransition != WindowManagerPolicy.TRANSIT_UNSET) {
mAppTransitionReady = true;
final long origId = Binder.clearCallingIdentity();
performLayoutAndPlaceSurfacesLocked();
Binder.restoreCallingIdentity(origId);
}
}
}
public void setAppStartingWindow(IBinder token, String pkg,
int theme, CharSequence nonLocalizedLabel, int labelRes, int icon,
IBinder transferFrom, boolean createIfNeeded) {
if (!checkCallingPermission(android.Manifest.permission.MANAGE_APP_TOKENS,
"setAppStartingIcon()")) {
throw new SecurityException("Requires MANAGE_APP_TOKENS permission");
}
synchronized(mWindowMap) {
if (DEBUG_STARTING_WINDOW) Slog.v(
TAG, "setAppStartingIcon: token=" + token + " pkg=" + pkg
+ " transferFrom=" + transferFrom);
AppWindowToken wtoken = findAppWindowToken(token);
if (wtoken == null) {
Slog.w(TAG, "Attempted to set icon of non-existing app token: " + token);
return;
}
// If the display is frozen, we won't do anything until the
// actual window is displayed so there is no reason to put in
// the starting window.
if (mDisplayFrozen || !mPolicy.isScreenOn()) {
return;
}
if (wtoken.startingData != null) {
return;
}
if (transferFrom != null) {
AppWindowToken ttoken = findAppWindowToken(transferFrom);
if (ttoken != null) {
WindowState startingWindow = ttoken.startingWindow;
if (startingWindow != null) {
if (mStartingIconInTransition) {
// In this case, the starting icon has already
// been displayed, so start letting windows get
// shown immediately without any more transitions.
mSkipAppTransitionAnimation = true;
}
if (DEBUG_STARTING_WINDOW) Slog.v(TAG,
"Moving existing starting from " + ttoken
+ " to " + wtoken);
final long origId = Binder.clearCallingIdentity();
// Transfer the starting window over to the new
// token.
wtoken.startingData = ttoken.startingData;
wtoken.startingView = ttoken.startingView;
wtoken.startingWindow = startingWindow;
ttoken.startingData = null;
ttoken.startingView = null;
ttoken.startingWindow = null;
ttoken.startingMoved = true;
startingWindow.mToken = wtoken;
startingWindow.mRootToken = wtoken;
startingWindow.mAppToken = wtoken;
if (DEBUG_WINDOW_MOVEMENT) Slog.v(TAG,
"Removing starting window: " + startingWindow);
mWindows.remove(startingWindow);
ttoken.windows.remove(startingWindow);
ttoken.allAppWindows.remove(startingWindow);
addWindowToListInOrderLocked(startingWindow, true);
// Propagate other interesting state between the
// tokens. If the old token is displayed, we should
// immediately force the new one to be displayed. If
// it is animating, we need to move that animation to
// the new one.
if (ttoken.allDrawn) {
wtoken.allDrawn = true;
}
if (ttoken.firstWindowDrawn) {
wtoken.firstWindowDrawn = true;
}
if (!ttoken.hidden) {
wtoken.hidden = false;
wtoken.hiddenRequested = false;
wtoken.willBeHidden = false;
}
if (wtoken.clientHidden != ttoken.clientHidden) {
wtoken.clientHidden = ttoken.clientHidden;
wtoken.sendAppVisibilityToClients();
}
if (ttoken.animation != null) {
wtoken.animation = ttoken.animation;
wtoken.animating = ttoken.animating;
wtoken.animLayerAdjustment = ttoken.animLayerAdjustment;
ttoken.animation = null;
ttoken.animLayerAdjustment = 0;
wtoken.updateLayers();
ttoken.updateLayers();
}
updateFocusedWindowLocked(UPDATE_FOCUS_WILL_PLACE_SURFACES);
mLayoutNeeded = true;
performLayoutAndPlaceSurfacesLocked();
Binder.restoreCallingIdentity(origId);
return;
} else if (ttoken.startingData != null) {
// The previous app was getting ready to show a
// starting window, but hasn't yet done so. Steal it!
if (DEBUG_STARTING_WINDOW) Slog.v(TAG,
"Moving pending starting from " + ttoken
+ " to " + wtoken);
wtoken.startingData = ttoken.startingData;
ttoken.startingData = null;
ttoken.startingMoved = true;
Message m = mH.obtainMessage(H.ADD_STARTING, wtoken);
// Note: we really want to do sendMessageAtFrontOfQueue() because we
// want to process the message ASAP, before any other queued
// messages.
mH.sendMessageAtFrontOfQueue(m);
return;
}
}
}
// There is no existing starting window, and the caller doesn't
// want us to create one, so that's it!
if (!createIfNeeded) {
return;
}
// If this is a translucent or wallpaper window, then don't
// show a starting window -- the current effect (a full-screen
// opaque starting window that fades away to the real contents
// when it is ready) does not work for this.
if (theme != 0) {
AttributeCache.Entry ent = AttributeCache.instance().get(pkg, theme,
com.android.internal.R.styleable.Window);
if (ent.array.getBoolean(
com.android.internal.R.styleable.Window_windowIsTranslucent, false)) {
return;
}
if (ent.array.getBoolean(
com.android.internal.R.styleable.Window_windowIsFloating, false)) {
return;
}
if (ent.array.getBoolean(
com.android.internal.R.styleable.Window_windowShowWallpaper, false)) {
return;
}
}
mStartingIconInTransition = true;
wtoken.startingData = new StartingData(
pkg, theme, nonLocalizedLabel,
labelRes, icon);
Message m = mH.obtainMessage(H.ADD_STARTING, wtoken);
// Note: we really want to do sendMessageAtFrontOfQueue() because we
// want to process the message ASAP, before any other queued
// messages.
mH.sendMessageAtFrontOfQueue(m);
}
}
public void setAppWillBeHidden(IBinder token) {
if (!checkCallingPermission(android.Manifest.permission.MANAGE_APP_TOKENS,
"setAppWillBeHidden()")) {
throw new SecurityException("Requires MANAGE_APP_TOKENS permission");
}
AppWindowToken wtoken;
synchronized(mWindowMap) {
wtoken = findAppWindowToken(token);
if (wtoken == null) {
Slog.w(TAG, "Attempted to set will be hidden of non-existing app token: " + token);
return;
}
wtoken.willBeHidden = true;
}
}
boolean setTokenVisibilityLocked(AppWindowToken wtoken, WindowManager.LayoutParams lp,
boolean visible, int transit, boolean performLayout) {
boolean delayed = false;
if (wtoken.clientHidden == visible) {
wtoken.clientHidden = !visible;
wtoken.sendAppVisibilityToClients();
}
wtoken.willBeHidden = false;
if (wtoken.hidden == visible) {
final int N = wtoken.allAppWindows.size();
boolean changed = false;
if (DEBUG_APP_TRANSITIONS) Slog.v(
TAG, "Changing app " + wtoken + " hidden=" + wtoken.hidden
+ " performLayout=" + performLayout);
boolean runningAppAnimation = false;
if (transit != WindowManagerPolicy.TRANSIT_UNSET) {
if (wtoken.animation == sDummyAnimation) {
wtoken.animation = null;
}
applyAnimationLocked(wtoken, lp, transit, visible);
changed = true;
if (wtoken.animation != null) {
delayed = runningAppAnimation = true;
}
}
for (int i=0; i<N; i++) {
WindowState win = wtoken.allAppWindows.get(i);
if (win == wtoken.startingWindow) {
continue;
}
if (win.isAnimating()) {
delayed = true;
}
//Slog.i(TAG, "Window " + win + ": vis=" + win.isVisible());
//win.dump(" ");
if (visible) {
if (!win.isVisibleNow()) {
if (!runningAppAnimation) {
applyAnimationLocked(win,
WindowManagerPolicy.TRANSIT_ENTER, true);
}
changed = true;
}
} else if (win.isVisibleNow()) {
if (!runningAppAnimation) {
applyAnimationLocked(win,
WindowManagerPolicy.TRANSIT_EXIT, false);
}
mInputMonitor.windowIsBecomingInvisibleLw(win);
changed = true;
}
}
wtoken.hidden = wtoken.hiddenRequested = !visible;
if (!visible) {
unsetAppFreezingScreenLocked(wtoken, true, true);
} else {
// If we are being set visible, and the starting window is
// not yet displayed, then make sure it doesn't get displayed.
WindowState swin = wtoken.startingWindow;
if (swin != null && (swin.mDrawPending
|| swin.mCommitDrawPending)) {
swin.mPolicyVisibility = false;
swin.mPolicyVisibilityAfterAnim = false;
}
}
if (DEBUG_APP_TRANSITIONS) Slog.v(TAG, "setTokenVisibilityLocked: " + wtoken
+ ": hidden=" + wtoken.hidden + " hiddenRequested="
+ wtoken.hiddenRequested);
if (changed) {
mLayoutNeeded = true;
if (performLayout) {
updateFocusedWindowLocked(UPDATE_FOCUS_WILL_PLACE_SURFACES);
performLayoutAndPlaceSurfacesLocked();
}
}
}
if (wtoken.animation != null) {
delayed = true;
}
return delayed;
}
public void setAppVisibility(IBinder token, boolean visible) {
if (!checkCallingPermission(android.Manifest.permission.MANAGE_APP_TOKENS,
"setAppVisibility()")) {
throw new SecurityException("Requires MANAGE_APP_TOKENS permission");
}
AppWindowToken wtoken;
synchronized(mWindowMap) {
wtoken = findAppWindowToken(token);
if (wtoken == null) {
Slog.w(TAG, "Attempted to set visibility of non-existing app token: " + token);
return;
}
if (DEBUG_APP_TRANSITIONS || DEBUG_ORIENTATION) {
RuntimeException e = null;
if (!HIDE_STACK_CRAWLS) {
e = new RuntimeException();
e.fillInStackTrace();
}
Slog.v(TAG, "setAppVisibility(" + token + ", " + visible
+ "): mNextAppTransition=" + mNextAppTransition
+ " hidden=" + wtoken.hidden
+ " hiddenRequested=" + wtoken.hiddenRequested, e);
}
// If we are preparing an app transition, then delay changing
// the visibility of this token until we execute that transition.
if (!mDisplayFrozen && mPolicy.isScreenOn()
&& mNextAppTransition != WindowManagerPolicy.TRANSIT_UNSET) {
// Already in requested state, don't do anything more.
if (wtoken.hiddenRequested != visible) {
return;
}
wtoken.hiddenRequested = !visible;
if (DEBUG_APP_TRANSITIONS) Slog.v(
TAG, "Setting dummy animation on: " + wtoken);
wtoken.setDummyAnimation();
mOpeningApps.remove(wtoken);
mClosingApps.remove(wtoken);
wtoken.waitingToShow = wtoken.waitingToHide = false;
wtoken.inPendingTransaction = true;
if (visible) {
mOpeningApps.add(wtoken);
wtoken.startingDisplayed = false;
wtoken.startingMoved = false;
// If the token is currently hidden (should be the
// common case), then we need to set up to wait for
// its windows to be ready.
if (wtoken.hidden) {
wtoken.allDrawn = false;
wtoken.waitingToShow = true;
if (wtoken.clientHidden) {
// In the case where we are making an app visible
// but holding off for a transition, we still need
// to tell the client to make its windows visible so
// they get drawn. Otherwise, we will wait on
// performing the transition until all windows have
// been drawn, they never will be, and we are sad.
wtoken.clientHidden = false;
wtoken.sendAppVisibilityToClients();
}
}
} else {
mClosingApps.add(wtoken);
// If the token is currently visible (should be the
// common case), then set up to wait for it to be hidden.
if (!wtoken.hidden) {
wtoken.waitingToHide = true;
}
}
return;
}
final long origId = Binder.clearCallingIdentity();
setTokenVisibilityLocked(wtoken, null, visible, WindowManagerPolicy.TRANSIT_UNSET, true);
wtoken.updateReportedVisibilityLocked();
Binder.restoreCallingIdentity(origId);
}
}
void unsetAppFreezingScreenLocked(AppWindowToken wtoken,
boolean unfreezeSurfaceNow, boolean force) {
if (wtoken.freezingScreen) {
if (DEBUG_ORIENTATION) Slog.v(TAG, "Clear freezing of " + wtoken
+ " force=" + force);
final int N = wtoken.allAppWindows.size();
boolean unfrozeWindows = false;
for (int i=0; i<N; i++) {
WindowState w = wtoken.allAppWindows.get(i);
if (w.mAppFreezing) {
w.mAppFreezing = false;
if (w.mSurface != null && !w.mOrientationChanging) {
w.mOrientationChanging = true;
}
unfrozeWindows = true;
}
}
if (force || unfrozeWindows) {
if (DEBUG_ORIENTATION) Slog.v(TAG, "No longer freezing: " + wtoken);
wtoken.freezingScreen = false;
mAppsFreezingScreen--;
}
if (unfreezeSurfaceNow) {
if (unfrozeWindows) {
mLayoutNeeded = true;
performLayoutAndPlaceSurfacesLocked();
}
stopFreezingDisplayLocked();
}
}
}
public void startAppFreezingScreenLocked(AppWindowToken wtoken,
int configChanges) {
if (DEBUG_ORIENTATION) {
RuntimeException e = null;
if (!HIDE_STACK_CRAWLS) {
e = new RuntimeException();
e.fillInStackTrace();
}
Slog.i(TAG, "Set freezing of " + wtoken.appToken
+ ": hidden=" + wtoken.hidden + " freezing="
+ wtoken.freezingScreen, e);
}
if (!wtoken.hiddenRequested) {
if (!wtoken.freezingScreen) {
wtoken.freezingScreen = true;
mAppsFreezingScreen++;
if (mAppsFreezingScreen == 1) {
startFreezingDisplayLocked();
mH.removeMessages(H.APP_FREEZE_TIMEOUT);
mH.sendMessageDelayed(mH.obtainMessage(H.APP_FREEZE_TIMEOUT),
5000);
}
}
final int N = wtoken.allAppWindows.size();
for (int i=0; i<N; i++) {
WindowState w = wtoken.allAppWindows.get(i);
w.mAppFreezing = true;
}
}
}
public void startAppFreezingScreen(IBinder token, int configChanges) {
if (!checkCallingPermission(android.Manifest.permission.MANAGE_APP_TOKENS,
"setAppFreezingScreen()")) {
throw new SecurityException("Requires MANAGE_APP_TOKENS permission");
}
synchronized(mWindowMap) {
if (configChanges == 0 && !mDisplayFrozen && mPolicy.isScreenOn()) {
if (DEBUG_ORIENTATION) Slog.v(TAG, "Skipping set freeze of " + token);
return;
}
AppWindowToken wtoken = findAppWindowToken(token);
if (wtoken == null || wtoken.appToken == null) {
Slog.w(TAG, "Attempted to freeze screen with non-existing app token: " + wtoken);
return;
}
final long origId = Binder.clearCallingIdentity();
startAppFreezingScreenLocked(wtoken, configChanges);
Binder.restoreCallingIdentity(origId);
}
}
public void stopAppFreezingScreen(IBinder token, boolean force) {
if (!checkCallingPermission(android.Manifest.permission.MANAGE_APP_TOKENS,
"setAppFreezingScreen()")) {
throw new SecurityException("Requires MANAGE_APP_TOKENS permission");
}
synchronized(mWindowMap) {
AppWindowToken wtoken = findAppWindowToken(token);
if (wtoken == null || wtoken.appToken == null) {
return;
}
final long origId = Binder.clearCallingIdentity();
if (DEBUG_ORIENTATION) Slog.v(TAG, "Clear freezing of " + token
+ ": hidden=" + wtoken.hidden + " freezing=" + wtoken.freezingScreen);
unsetAppFreezingScreenLocked(wtoken, true, force);
Binder.restoreCallingIdentity(origId);
}
}
public void removeAppToken(IBinder token) {
if (!checkCallingPermission(android.Manifest.permission.MANAGE_APP_TOKENS,
"removeAppToken()")) {
throw new SecurityException("Requires MANAGE_APP_TOKENS permission");
}
AppWindowToken wtoken = null;
AppWindowToken startingToken = null;
boolean delayed = false;
final long origId = Binder.clearCallingIdentity();
synchronized(mWindowMap) {
WindowToken basewtoken = mTokenMap.remove(token);
mTokenList.remove(basewtoken);
if (basewtoken != null && (wtoken=basewtoken.appWindowToken) != null) {
if (DEBUG_APP_TRANSITIONS) Slog.v(TAG, "Removing app token: " + wtoken);
delayed = setTokenVisibilityLocked(wtoken, null, false, WindowManagerPolicy.TRANSIT_UNSET, true);
wtoken.inPendingTransaction = false;
mOpeningApps.remove(wtoken);
wtoken.waitingToShow = false;
if (mClosingApps.contains(wtoken)) {
delayed = true;
} else if (mNextAppTransition != WindowManagerPolicy.TRANSIT_UNSET) {
mClosingApps.add(wtoken);
wtoken.waitingToHide = true;
delayed = true;
}
if (DEBUG_APP_TRANSITIONS) Slog.v(
TAG, "Removing app " + wtoken + " delayed=" + delayed
+ " animation=" + wtoken.animation
+ " animating=" + wtoken.animating);
if (delayed) {
// set the token aside because it has an active animation to be finished
mExitingAppTokens.add(wtoken);
} else {
// Make sure there is no animation running on this token,
// so any windows associated with it will be removed as
// soon as their animations are complete
wtoken.animation = null;
wtoken.animating = false;
}
mAppTokens.remove(wtoken);
if (mLastEnterAnimToken == wtoken) {
mLastEnterAnimToken = null;
mLastEnterAnimParams = null;
}
wtoken.removed = true;
if (wtoken.startingData != null) {
startingToken = wtoken;
}
unsetAppFreezingScreenLocked(wtoken, true, true);
if (mFocusedApp == wtoken) {
if (DEBUG_FOCUS) Slog.v(TAG, "Removing focused app token:" + wtoken);
mFocusedApp = null;
updateFocusedWindowLocked(UPDATE_FOCUS_NORMAL);
mInputMonitor.setFocusedAppLw(null);
}
} else {
Slog.w(TAG, "Attempted to remove non-existing app token: " + token);
}
if (!delayed && wtoken != null) {
wtoken.updateReportedVisibilityLocked();
}
}
Binder.restoreCallingIdentity(origId);
if (startingToken != null) {
if (DEBUG_STARTING_WINDOW) Slog.v(TAG, "Schedule remove starting "
+ startingToken + ": app token removed");
Message m = mH.obtainMessage(H.REMOVE_STARTING, startingToken);
mH.sendMessage(m);
}
}
private boolean tmpRemoveAppWindowsLocked(WindowToken token) {
final int NW = token.windows.size();
for (int i=0; i<NW; i++) {
WindowState win = token.windows.get(i);
if (DEBUG_WINDOW_MOVEMENT) Slog.v(TAG, "Tmp removing app window " + win);
mWindows.remove(win);
int j = win.mChildWindows.size();
while (j > 0) {
j--;
WindowState cwin = (WindowState)win.mChildWindows.get(j);
if (DEBUG_WINDOW_MOVEMENT) Slog.v(TAG,
"Tmp removing child window " + cwin);
mWindows.remove(cwin);
}
}
return NW > 0;
}
void dumpAppTokensLocked() {
for (int i=mAppTokens.size()-1; i>=0; i--) {
Slog.v(TAG, " #" + i + ": " + mAppTokens.get(i).token);
}
}
void dumpWindowsLocked() {
for (int i=mWindows.size()-1; i>=0; i--) {
Slog.v(TAG, " #" + i + ": " + mWindows.get(i));
}
}
private int findWindowOffsetLocked(int tokenPos) {
final int NW = mWindows.size();
if (tokenPos >= mAppTokens.size()) {
int i = NW;
while (i > 0) {
i--;
WindowState win = (WindowState)mWindows.get(i);
if (win.getAppToken() != null) {
return i+1;
}
}
}
while (tokenPos > 0) {
// Find the first app token below the new position that has
// a window displayed.
final AppWindowToken wtoken = mAppTokens.get(tokenPos-1);
if (DEBUG_REORDER) Slog.v(TAG, "Looking for lower windows @ "
+ tokenPos + " -- " + wtoken.token);
if (wtoken.sendingToBottom) {
if (DEBUG_REORDER) Slog.v(TAG,
"Skipping token -- currently sending to bottom");
tokenPos--;
continue;
}
int i = wtoken.windows.size();
while (i > 0) {
i--;
WindowState win = wtoken.windows.get(i);
int j = win.mChildWindows.size();
while (j > 0) {
j--;
WindowState cwin = (WindowState)win.mChildWindows.get(j);
if (cwin.mSubLayer >= 0) {
for (int pos=NW-1; pos>=0; pos--) {
if (mWindows.get(pos) == cwin) {
if (DEBUG_REORDER) Slog.v(TAG,
"Found child win @" + (pos+1));
return pos+1;
}
}
}
}
for (int pos=NW-1; pos>=0; pos--) {
if (mWindows.get(pos) == win) {
if (DEBUG_REORDER) Slog.v(TAG, "Found win @" + (pos+1));
return pos+1;
}
}
}
tokenPos--;
}
return 0;
}
private final int reAddWindowLocked(int index, WindowState win) {
final int NCW = win.mChildWindows.size();
boolean added = false;
for (int j=0; j<NCW; j++) {
WindowState cwin = (WindowState)win.mChildWindows.get(j);
if (!added && cwin.mSubLayer >= 0) {
if (DEBUG_WINDOW_MOVEMENT) Slog.v(TAG, "Re-adding child window at "
+ index + ": " + cwin);
mWindows.add(index, win);
index++;
added = true;
}
if (DEBUG_WINDOW_MOVEMENT) Slog.v(TAG, "Re-adding window at "
+ index + ": " + cwin);
mWindows.add(index, cwin);
index++;
}
if (!added) {
if (DEBUG_WINDOW_MOVEMENT) Slog.v(TAG, "Re-adding window at "
+ index + ": " + win);
mWindows.add(index, win);
index++;
}
return index;
}
private final int reAddAppWindowsLocked(int index, WindowToken token) {
final int NW = token.windows.size();
for (int i=0; i<NW; i++) {
index = reAddWindowLocked(index, token.windows.get(i));
}
return index;
}
public void moveAppToken(int index, IBinder token) {
if (!checkCallingPermission(android.Manifest.permission.MANAGE_APP_TOKENS,
"moveAppToken()")) {
throw new SecurityException("Requires MANAGE_APP_TOKENS permission");
}
synchronized(mWindowMap) {
if (DEBUG_REORDER) Slog.v(TAG, "Initial app tokens:");
if (DEBUG_REORDER) dumpAppTokensLocked();
final AppWindowToken wtoken = findAppWindowToken(token);
if (wtoken == null || !mAppTokens.remove(wtoken)) {
Slog.w(TAG, "Attempting to reorder token that doesn't exist: "
+ token + " (" + wtoken + ")");
return;
}
mAppTokens.add(index, wtoken);
if (DEBUG_REORDER) Slog.v(TAG, "Moved " + token + " to " + index + ":");
if (DEBUG_REORDER) dumpAppTokensLocked();
final long origId = Binder.clearCallingIdentity();
if (DEBUG_REORDER) Slog.v(TAG, "Removing windows in " + token + ":");
if (DEBUG_REORDER) dumpWindowsLocked();
if (tmpRemoveAppWindowsLocked(wtoken)) {
if (DEBUG_REORDER) Slog.v(TAG, "Adding windows back in:");
if (DEBUG_REORDER) dumpWindowsLocked();
reAddAppWindowsLocked(findWindowOffsetLocked(index), wtoken);
if (DEBUG_REORDER) Slog.v(TAG, "Final window list:");
if (DEBUG_REORDER) dumpWindowsLocked();
updateFocusedWindowLocked(UPDATE_FOCUS_WILL_PLACE_SURFACES);
mLayoutNeeded = true;
performLayoutAndPlaceSurfacesLocked();
}
Binder.restoreCallingIdentity(origId);
}
}
private void removeAppTokensLocked(List<IBinder> tokens) {
// XXX This should be done more efficiently!
// (take advantage of the fact that both lists should be
// ordered in the same way.)
int N = tokens.size();
for (int i=0; i<N; i++) {
IBinder token = tokens.get(i);
final AppWindowToken wtoken = findAppWindowToken(token);
if (!mAppTokens.remove(wtoken)) {
Slog.w(TAG, "Attempting to reorder token that doesn't exist: "
+ token + " (" + wtoken + ")");
i--;
N--;
}
}
}
private void moveAppWindowsLocked(AppWindowToken wtoken, int tokenPos,
boolean updateFocusAndLayout) {
// First remove all of the windows from the list.
tmpRemoveAppWindowsLocked(wtoken);
// Where to start adding?
int pos = findWindowOffsetLocked(tokenPos);
// And now add them back at the correct place.
pos = reAddAppWindowsLocked(pos, wtoken);
if (updateFocusAndLayout) {
if (!updateFocusedWindowLocked(UPDATE_FOCUS_WILL_PLACE_SURFACES)) {
assignLayersLocked();
}
mLayoutNeeded = true;
performLayoutAndPlaceSurfacesLocked();
}
}
private void moveAppWindowsLocked(List<IBinder> tokens, int tokenPos) {
// First remove all of the windows from the list.
final int N = tokens.size();
int i;
for (i=0; i<N; i++) {
WindowToken token = mTokenMap.get(tokens.get(i));
if (token != null) {
tmpRemoveAppWindowsLocked(token);
}
}
// Where to start adding?
int pos = findWindowOffsetLocked(tokenPos);
// And now add them back at the correct place.
for (i=0; i<N; i++) {
WindowToken token = mTokenMap.get(tokens.get(i));
if (token != null) {
pos = reAddAppWindowsLocked(pos, token);
}
}
if (!updateFocusedWindowLocked(UPDATE_FOCUS_WILL_PLACE_SURFACES)) {
assignLayersLocked();
}
mLayoutNeeded = true;
performLayoutAndPlaceSurfacesLocked();
//dump();
}
public void moveAppTokensToTop(List<IBinder> tokens) {
if (!checkCallingPermission(android.Manifest.permission.MANAGE_APP_TOKENS,
"moveAppTokensToTop()")) {
throw new SecurityException("Requires MANAGE_APP_TOKENS permission");
}
final long origId = Binder.clearCallingIdentity();
synchronized(mWindowMap) {
removeAppTokensLocked(tokens);
final int N = tokens.size();
for (int i=0; i<N; i++) {
AppWindowToken wt = findAppWindowToken(tokens.get(i));
if (wt != null) {
mAppTokens.add(wt);
if (mNextAppTransition != WindowManagerPolicy.TRANSIT_UNSET) {
mToTopApps.remove(wt);
mToBottomApps.remove(wt);
mToTopApps.add(wt);
wt.sendingToBottom = false;
wt.sendingToTop = true;
}
}
}
if (mNextAppTransition == WindowManagerPolicy.TRANSIT_UNSET) {
moveAppWindowsLocked(tokens, mAppTokens.size());
}
}
Binder.restoreCallingIdentity(origId);
}
public void moveAppTokensToBottom(List<IBinder> tokens) {
if (!checkCallingPermission(android.Manifest.permission.MANAGE_APP_TOKENS,
"moveAppTokensToBottom()")) {
throw new SecurityException("Requires MANAGE_APP_TOKENS permission");
}
final long origId = Binder.clearCallingIdentity();
synchronized(mWindowMap) {
removeAppTokensLocked(tokens);
final int N = tokens.size();
int pos = 0;
for (int i=0; i<N; i++) {
AppWindowToken wt = findAppWindowToken(tokens.get(i));
if (wt != null) {
mAppTokens.add(pos, wt);
if (mNextAppTransition != WindowManagerPolicy.TRANSIT_UNSET) {
mToTopApps.remove(wt);
mToBottomApps.remove(wt);
mToBottomApps.add(i, wt);
wt.sendingToTop = false;
wt.sendingToBottom = true;
}
pos++;
}
}
if (mNextAppTransition == WindowManagerPolicy.TRANSIT_UNSET) {
moveAppWindowsLocked(tokens, 0);
}
}
Binder.restoreCallingIdentity(origId);
}
// -------------------------------------------------------------
// Misc IWindowSession methods
// -------------------------------------------------------------
private boolean shouldAllowDisableKeyguard()
{
// We fail safe and prevent disabling keyguard in the unlikely event this gets
// called before DevicePolicyManagerService has started.
if (mAllowDisableKeyguard == ALLOW_DISABLE_UNKNOWN) {
DevicePolicyManager dpm = (DevicePolicyManager) mContext.getSystemService(
Context.DEVICE_POLICY_SERVICE);
if (dpm != null) {
mAllowDisableKeyguard = dpm.getPasswordQuality(null)
== DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED ?
ALLOW_DISABLE_YES : ALLOW_DISABLE_NO;
}
}
return mAllowDisableKeyguard == ALLOW_DISABLE_YES;
}
public void disableKeyguard(IBinder token, String tag) {
if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DISABLE_KEYGUARD)
!= PackageManager.PERMISSION_GRANTED) {
throw new SecurityException("Requires DISABLE_KEYGUARD permission");
}
synchronized (mKeyguardTokenWatcher) {
mKeyguardTokenWatcher.acquire(token, tag);
}
}
public void reenableKeyguard(IBinder token) {
if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DISABLE_KEYGUARD)
!= PackageManager.PERMISSION_GRANTED) {
throw new SecurityException("Requires DISABLE_KEYGUARD permission");
}
synchronized (mKeyguardTokenWatcher) {
mKeyguardTokenWatcher.release(token);
if (!mKeyguardTokenWatcher.isAcquired()) {
// If we are the last one to reenable the keyguard wait until
// we have actually finished reenabling until returning.
// It is possible that reenableKeyguard() can be called before
// the previous disableKeyguard() is handled, in which case
// neither mKeyguardTokenWatcher.acquired() or released() would
// be called. In that case mKeyguardDisabled will be false here
// and we have nothing to wait for.
while (mKeyguardDisabled) {
try {
mKeyguardTokenWatcher.wait();
} catch (InterruptedException e) {
Thread.currentThread().interrupt();
}
}
}
}
}
/**
* @see android.app.KeyguardManager#exitKeyguardSecurely
*/
public void exitKeyguardSecurely(final IOnKeyguardExitResult callback) {
if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DISABLE_KEYGUARD)
!= PackageManager.PERMISSION_GRANTED) {
throw new SecurityException("Requires DISABLE_KEYGUARD permission");
}
mPolicy.exitKeyguardSecurely(new WindowManagerPolicy.OnKeyguardExitResult() {
public void onKeyguardExitResult(boolean success) {
try {
callback.onKeyguardExitResult(success);
} catch (RemoteException e) {
// Client has died, we don't care.
}
}
});
}
public boolean inKeyguardRestrictedInputMode() {
return mPolicy.inKeyguardRestrictedKeyInputMode();
}
public void closeSystemDialogs(String reason) {
synchronized(mWindowMap) {
for (int i=mWindows.size()-1; i>=0; i--) {
WindowState w = (WindowState)mWindows.get(i);
if (w.mSurface != null) {
try {
w.mClient.closeSystemDialogs(reason);
} catch (RemoteException e) {
}
}
}
}
}
static float fixScale(float scale) {
if (scale < 0) scale = 0;
else if (scale > 20) scale = 20;
return Math.abs(scale);
}
public void setAnimationScale(int which, float scale) {
if (!checkCallingPermission(android.Manifest.permission.SET_ANIMATION_SCALE,
"setAnimationScale()")) {
throw new SecurityException("Requires SET_ANIMATION_SCALE permission");
}
if (scale < 0) scale = 0;
else if (scale > 20) scale = 20;
scale = Math.abs(scale);
switch (which) {
case 0: mWindowAnimationScale = fixScale(scale); break;
case 1: mTransitionAnimationScale = fixScale(scale); break;
}
// Persist setting
mH.obtainMessage(H.PERSIST_ANIMATION_SCALE).sendToTarget();
}
public void setAnimationScales(float[] scales) {
if (!checkCallingPermission(android.Manifest.permission.SET_ANIMATION_SCALE,
"setAnimationScale()")) {
throw new SecurityException("Requires SET_ANIMATION_SCALE permission");
}
if (scales != null) {
if (scales.length >= 1) {
mWindowAnimationScale = fixScale(scales[0]);
}
if (scales.length >= 2) {
mTransitionAnimationScale = fixScale(scales[1]);
}
}
// Persist setting
mH.obtainMessage(H.PERSIST_ANIMATION_SCALE).sendToTarget();
}
public float getAnimationScale(int which) {
switch (which) {
case 0: return mWindowAnimationScale;
case 1: return mTransitionAnimationScale;
}
return 0;
}
public float[] getAnimationScales() {
return new float[] { mWindowAnimationScale, mTransitionAnimationScale };
}
public int getSwitchState(int sw) {
if (!checkCallingPermission(android.Manifest.permission.READ_INPUT_STATE,
"getSwitchState()")) {
throw new SecurityException("Requires READ_INPUT_STATE permission");
}
return mInputManager.getSwitchState(sw);
}
public int getSwitchStateForDevice(int devid, int sw) {
if (!checkCallingPermission(android.Manifest.permission.READ_INPUT_STATE,
"getSwitchStateForDevice()")) {
throw new SecurityException("Requires READ_INPUT_STATE permission");
}
return mInputManager.getSwitchState(devid, sw);
}
public int getScancodeState(int sw) {
if (!checkCallingPermission(android.Manifest.permission.READ_INPUT_STATE,
"getScancodeState()")) {
throw new SecurityException("Requires READ_INPUT_STATE permission");
}
return mInputManager.getScancodeState(sw);
}
public int getScancodeStateForDevice(int devid, int sw) {
if (!checkCallingPermission(android.Manifest.permission.READ_INPUT_STATE,
"getScancodeStateForDevice()")) {
throw new SecurityException("Requires READ_INPUT_STATE permission");
}
return mInputManager.getScancodeState(devid, sw);
}
public int getTrackballScancodeState(int sw) {
if (!checkCallingPermission(android.Manifest.permission.READ_INPUT_STATE,
"getTrackballScancodeState()")) {
throw new SecurityException("Requires READ_INPUT_STATE permission");
}
return mInputManager.getTrackballScancodeState(sw);
}
public int getDPadScancodeState(int sw) {
if (!checkCallingPermission(android.Manifest.permission.READ_INPUT_STATE,
"getDPadScancodeState()")) {
throw new SecurityException("Requires READ_INPUT_STATE permission");
}
return mInputManager.getDPadScancodeState(sw);
}
public int getKeycodeState(int sw) {
if (!checkCallingPermission(android.Manifest.permission.READ_INPUT_STATE,
"getKeycodeState()")) {
throw new SecurityException("Requires READ_INPUT_STATE permission");
}
return mInputManager.getKeycodeState(sw);
}
public int getKeycodeStateForDevice(int devid, int sw) {
if (!checkCallingPermission(android.Manifest.permission.READ_INPUT_STATE,
"getKeycodeStateForDevice()")) {
throw new SecurityException("Requires READ_INPUT_STATE permission");
}
return mInputManager.getKeycodeState(devid, sw);
}
public int getTrackballKeycodeState(int sw) {
if (!checkCallingPermission(android.Manifest.permission.READ_INPUT_STATE,
"getTrackballKeycodeState()")) {
throw new SecurityException("Requires READ_INPUT_STATE permission");
}
return mInputManager.getTrackballKeycodeState(sw);
}
public int getDPadKeycodeState(int sw) {
if (!checkCallingPermission(android.Manifest.permission.READ_INPUT_STATE,
"getDPadKeycodeState()")) {
throw new SecurityException("Requires READ_INPUT_STATE permission");
}
return mInputManager.getDPadKeycodeState(sw);
}
public boolean hasKeys(int[] keycodes, boolean[] keyExists) {
return mInputManager.hasKeys(keycodes, keyExists);
}
public void enableScreenAfterBoot() {
synchronized(mWindowMap) {
if (mSystemBooted) {
return;
}
mSystemBooted = true;
}
performEnableScreen();
}
public void enableScreenIfNeededLocked() {
if (mDisplayEnabled) {
return;
}
if (!mSystemBooted) {
return;
}
mH.sendMessage(mH.obtainMessage(H.ENABLE_SCREEN));
}
public void performEnableScreen() {
synchronized(mWindowMap) {
if (mDisplayEnabled) {
return;
}
if (!mSystemBooted) {
return;
}
// Don't enable the screen until all existing windows
// have been drawn.
final int N = mWindows.size();
for (int i=0; i<N; i++) {
WindowState w = (WindowState)mWindows.get(i);
if (w.isVisibleLw() && !w.mObscured
&& (w.mOrientationChanging || !w.isDrawnLw())) {
return;
}
}
mDisplayEnabled = true;
if (false) {
Slog.i(TAG, "ENABLING SCREEN!");
StringWriter sw = new StringWriter();
PrintWriter pw = new PrintWriter(sw);
this.dump(null, pw, null);
Slog.i(TAG, sw.toString());
}
try {
IBinder surfaceFlinger = ServiceManager.getService("SurfaceFlinger");
if (surfaceFlinger != null) {
//Slog.i(TAG, "******* TELLING SURFACE FLINGER WE ARE BOOTED!");
Parcel data = Parcel.obtain();
data.writeInterfaceToken("android.ui.ISurfaceComposer");
surfaceFlinger.transact(IBinder.FIRST_CALL_TRANSACTION,
data, null, 0);
data.recycle();
}
} catch (RemoteException ex) {
Slog.e(TAG, "Boot completed: SurfaceFlinger is dead!");
}
}
mPolicy.enableScreenAfterBoot();
// Make sure the last requested orientation has been applied.
setRotationUnchecked(WindowManagerPolicy.USE_LAST_ROTATION, false,
mLastRotationFlags | Surface.FLAGS_ORIENTATION_ANIMATION_DISABLE);
}
public void setInTouchMode(boolean mode) {
synchronized(mWindowMap) {
mInTouchMode = mode;
}
}
public void setRotation(int rotation,
boolean alwaysSendConfiguration, int animFlags) {
if (!checkCallingPermission(android.Manifest.permission.SET_ORIENTATION,
"setRotation()")) {
throw new SecurityException("Requires SET_ORIENTATION permission");
}
setRotationUnchecked(rotation, alwaysSendConfiguration, animFlags);
}
public void setRotationUnchecked(int rotation,
boolean alwaysSendConfiguration, int animFlags) {
if(DEBUG_ORIENTATION) Slog.v(TAG,
"alwaysSendConfiguration set to "+alwaysSendConfiguration);
long origId = Binder.clearCallingIdentity();
boolean changed;
synchronized(mWindowMap) {
changed = setRotationUncheckedLocked(rotation, animFlags);
}
if (changed || alwaysSendConfiguration) {
sendNewConfiguration();
}
Binder.restoreCallingIdentity(origId);
}
/**
* Apply a new rotation to the screen, respecting the requests of
* applications. Use WindowManagerPolicy.USE_LAST_ROTATION to simply
* re-evaluate the desired rotation.
*
* Returns null if the rotation has been changed. In this case YOU
* MUST CALL setNewConfiguration() TO UNFREEZE THE SCREEN.
*/
public boolean setRotationUncheckedLocked(int rotation, int animFlags) {
boolean changed;
if (rotation == WindowManagerPolicy.USE_LAST_ROTATION) {
rotation = mRequestedRotation;
} else {
mRequestedRotation = rotation;
mLastRotationFlags = animFlags;
}
if (DEBUG_ORIENTATION) Slog.v(TAG, "Overwriting rotation value from " + rotation);
rotation = mPolicy.rotationForOrientationLw(mForcedAppOrientation,
mRotation, mDisplayEnabled);
if (DEBUG_ORIENTATION) Slog.v(TAG, "new rotation is set to " + rotation);
changed = mDisplayEnabled && mRotation != rotation;
if (changed) {
if (DEBUG_ORIENTATION) Slog.v(TAG,
"Rotation changed to " + rotation
+ " from " + mRotation
+ " (forceApp=" + mForcedAppOrientation
+ ", req=" + mRequestedRotation + ")");
mRotation = rotation;
mWindowsFreezingScreen = true;
mH.removeMessages(H.WINDOW_FREEZE_TIMEOUT);
mH.sendMessageDelayed(mH.obtainMessage(H.WINDOW_FREEZE_TIMEOUT),
2000);
mWaitingForConfig = true;
mLayoutNeeded = true;
startFreezingDisplayLocked();
Slog.i(TAG, "Setting rotation to " + rotation + ", animFlags=" + animFlags);
mInputManager.setDisplayOrientation(0, rotation);
if (mDisplayEnabled) {
Surface.setOrientation(0, rotation, animFlags);
}
for (int i=mWindows.size()-1; i>=0; i--) {
WindowState w = (WindowState)mWindows.get(i);
if (w.mSurface != null) {
w.mOrientationChanging = true;
}
}
for (int i=mRotationWatchers.size()-1; i>=0; i--) {
try {
mRotationWatchers.get(i).onRotationChanged(rotation);
} catch (RemoteException e) {
}
}
} //end if changed
return changed;
}
public int getRotation() {
return mRotation;
}
public int watchRotation(IRotationWatcher watcher) {
final IBinder watcherBinder = watcher.asBinder();
IBinder.DeathRecipient dr = new IBinder.DeathRecipient() {
public void binderDied() {
synchronized (mWindowMap) {
for (int i=0; i<mRotationWatchers.size(); i++) {
if (watcherBinder == mRotationWatchers.get(i).asBinder()) {
IRotationWatcher removed = mRotationWatchers.remove(i);
if (removed != null) {
removed.asBinder().unlinkToDeath(this, 0);
}
i--;
}
}
}
}
};
synchronized (mWindowMap) {
try {
watcher.asBinder().linkToDeath(dr, 0);
mRotationWatchers.add(watcher);
} catch (RemoteException e) {
// Client died, no cleanup needed.
}
return mRotation;
}
}
/**
* Starts the view server on the specified port.
*
* @param port The port to listener to.
*
* @return True if the server was successfully started, false otherwise.
*
* @see com.android.server.ViewServer
* @see com.android.server.ViewServer#VIEW_SERVER_DEFAULT_PORT
*/
public boolean startViewServer(int port) {
if (isSystemSecure()) {
return false;
}
if (!checkCallingPermission(Manifest.permission.DUMP, "startViewServer")) {
return false;
}
if (port < 1024) {
return false;
}
if (mViewServer != null) {
if (!mViewServer.isRunning()) {
try {
return mViewServer.start();
} catch (IOException e) {
Slog.w(TAG, "View server did not start");
}
}
return false;
}
try {
mViewServer = new ViewServer(this, port);
return mViewServer.start();
} catch (IOException e) {
Slog.w(TAG, "View server did not start");
}
return false;
}
private boolean isSystemSecure() {
return "1".equals(SystemProperties.get(SYSTEM_SECURE, "1")) &&
"0".equals(SystemProperties.get(SYSTEM_DEBUGGABLE, "0"));
}
/**
* Stops the view server if it exists.
*
* @return True if the server stopped, false if it wasn't started or
* couldn't be stopped.
*
* @see com.android.server.ViewServer
*/
public boolean stopViewServer() {
if (isSystemSecure()) {
return false;
}
if (!checkCallingPermission(Manifest.permission.DUMP, "stopViewServer")) {
return false;
}
if (mViewServer != null) {
return mViewServer.stop();
}
return false;
}
/**
* Indicates whether the view server is running.
*
* @return True if the server is running, false otherwise.
*
* @see com.android.server.ViewServer
*/
public boolean isViewServerRunning() {
if (isSystemSecure()) {
return false;
}
if (!checkCallingPermission(Manifest.permission.DUMP, "isViewServerRunning")) {
return false;
}
return mViewServer != null && mViewServer.isRunning();
}
/**
* Lists all availble windows in the system. The listing is written in the
* specified Socket's output stream with the following syntax:
* windowHashCodeInHexadecimal windowName
* Each line of the ouput represents a different window.
*
* @param client The remote client to send the listing to.
* @return False if an error occured, true otherwise.
*/
boolean viewServerListWindows(Socket client) {
if (isSystemSecure()) {
return false;
}
boolean result = true;
Object[] windows;
synchronized (mWindowMap) {
windows = new Object[mWindows.size()];
//noinspection unchecked
windows = mWindows.toArray(windows);
}
BufferedWriter out = null;
// Any uncaught exception will crash the system process
try {
OutputStream clientStream = client.getOutputStream();
out = new BufferedWriter(new OutputStreamWriter(clientStream), 8 * 1024);
final int count = windows.length;
for (int i = 0; i < count; i++) {
final WindowState w = (WindowState) windows[i];
out.write(Integer.toHexString(System.identityHashCode(w)));
out.write(' ');
out.append(w.mAttrs.getTitle());
out.write('\n');
}
out.write("DONE.\n");
out.flush();
} catch (Exception e) {
result = false;
} finally {
if (out != null) {
try {
out.close();
} catch (IOException e) {
result = false;
}
}
}
return result;
}
/**
* Sends a command to a target window. The result of the command, if any, will be
* written in the output stream of the specified socket.
*
* The parameters must follow this syntax:
* windowHashcode extra
*
* Where XX is the length in characeters of the windowTitle.
*
* The first parameter is the target window. The window with the specified hashcode
* will be the target. If no target can be found, nothing happens. The extra parameters
* will be delivered to the target window and as parameters to the command itself.
*
* @param client The remote client to sent the result, if any, to.
* @param command The command to execute.
* @param parameters The command parameters.
*
* @return True if the command was successfully delivered, false otherwise. This does
* not indicate whether the command itself was successful.
*/
boolean viewServerWindowCommand(Socket client, String command, String parameters) {
if (isSystemSecure()) {
return false;
}
boolean success = true;
Parcel data = null;
Parcel reply = null;
// Any uncaught exception will crash the system process
try {
// Find the hashcode of the window
int index = parameters.indexOf(' ');
if (index == -1) {
index = parameters.length();
}
final String code = parameters.substring(0, index);
int hashCode = (int) Long.parseLong(code, 16);
// Extract the command's parameter after the window description
if (index < parameters.length()) {
parameters = parameters.substring(index + 1);
} else {
parameters = "";
}
final WindowManagerService.WindowState window = findWindow(hashCode);
if (window == null) {
return false;
}
data = Parcel.obtain();
data.writeInterfaceToken("android.view.IWindow");
data.writeString(command);
data.writeString(parameters);
data.writeInt(1);
ParcelFileDescriptor.fromSocket(client).writeToParcel(data, 0);
reply = Parcel.obtain();
final IBinder binder = window.mClient.asBinder();
// TODO: GET THE TRANSACTION CODE IN A SAFER MANNER
binder.transact(IBinder.FIRST_CALL_TRANSACTION, data, reply, 0);
reply.readException();
} catch (Exception e) {
Slog.w(TAG, "Could not send command " + command + " with parameters " + parameters, e);
success = false;
} finally {
if (data != null) {
data.recycle();
}
if (reply != null) {
reply.recycle();
}
}
return success;
}
private WindowState findWindow(int hashCode) {
if (hashCode == -1) {
return getFocusedWindow();
}
synchronized (mWindowMap) {
final ArrayList windows = mWindows;
final int count = windows.size();
for (int i = 0; i < count; i++) {
WindowState w = (WindowState) windows.get(i);
if (System.identityHashCode(w) == hashCode) {
return w;
}
}
}
return null;
}
/*
* Instruct the Activity Manager to fetch the current configuration and broadcast
* that to config-changed listeners if appropriate.
*/
void sendNewConfiguration() {
try {
mActivityManager.updateConfiguration(null);
} catch (RemoteException e) {
}
}
public Configuration computeNewConfiguration() {
synchronized (mWindowMap) {
return computeNewConfigurationLocked();
}
}
Configuration computeNewConfigurationLocked() {
Configuration config = new Configuration();
if (!computeNewConfigurationLocked(config)) {
return null;
}
return config;
}
boolean computeNewConfigurationLocked(Configuration config) {
if (mDisplay == null) {
return false;
}
mInputManager.getInputConfiguration(config);
// Use the effective "visual" dimensions based on current rotation
final boolean rotated = (mRotation == Surface.ROTATION_90
|| mRotation == Surface.ROTATION_270);
final int dw = rotated ? mInitialDisplayHeight : mInitialDisplayWidth;
final int dh = rotated ? mInitialDisplayWidth : mInitialDisplayHeight;
int orientation = Configuration.ORIENTATION_SQUARE;
if (dw < dh) {
orientation = Configuration.ORIENTATION_PORTRAIT;
} else if (dw > dh) {
orientation = Configuration.ORIENTATION_LANDSCAPE;
}
config.orientation = orientation;
DisplayMetrics dm = new DisplayMetrics();
mDisplay.getMetrics(dm);
CompatibilityInfo.updateCompatibleScreenFrame(dm, orientation, mCompatibleScreenFrame);
if (mScreenLayout == Configuration.SCREENLAYOUT_SIZE_UNDEFINED) {
// Note we only do this once because at this point we don't
// expect the screen to change in this way at runtime, and want
// to avoid all of this computation for every config change.
int longSize = dw;
int shortSize = dh;
if (longSize < shortSize) {
int tmp = longSize;
longSize = shortSize;
shortSize = tmp;
}
longSize = (int)(longSize/dm.density);
shortSize = (int)(shortSize/dm.density);
// These semi-magic numbers define our compatibility modes for
// applications with different screens. Don't change unless you
// make sure to test lots and lots of apps!
if (longSize < 470) {
// This is shorter than an HVGA normal density screen (which
// is 480 pixels on its long side).
mScreenLayout = Configuration.SCREENLAYOUT_SIZE_SMALL
| Configuration.SCREENLAYOUT_LONG_NO;
} else {
// What size is this screen screen?
if (longSize >= 800 && shortSize >= 600) {
// SVGA or larger screens at medium density are the point
// at which we consider it to be an extra large screen.
mScreenLayout = Configuration.SCREENLAYOUT_SIZE_XLARGE;
} else if (longSize >= 640 && shortSize >= 480) {
// VGA or larger screens at medium density are the point
// at which we consider it to be a large screen.
mScreenLayout = Configuration.SCREENLAYOUT_SIZE_LARGE;
} else {
mScreenLayout = Configuration.SCREENLAYOUT_SIZE_NORMAL;
// If this screen is wider than normal HVGA, or taller
// than FWVGA, then for old apps we want to run in size
// compatibility mode.
if (shortSize > 321 || longSize > 570) {
mScreenLayout |= Configuration.SCREENLAYOUT_COMPAT_NEEDED;
}
}
// Is this a long screen?
if (((longSize*3)/5) >= (shortSize-1)) {
// Anything wider than WVGA (5:3) is considering to be long.
mScreenLayout |= Configuration.SCREENLAYOUT_LONG_YES;
} else {
mScreenLayout |= Configuration.SCREENLAYOUT_LONG_NO;
}
}
}
config.screenLayout = mScreenLayout;
config.keyboardHidden = Configuration.KEYBOARDHIDDEN_NO;
config.hardKeyboardHidden = Configuration.HARDKEYBOARDHIDDEN_NO;
mPolicy.adjustConfigurationLw(config);
return true;
}
// -------------------------------------------------------------
// Input Events and Focus Management
// -------------------------------------------------------------
InputMonitor mInputMonitor = new InputMonitor();
/* Tracks the progress of input dispatch and ensures that input dispatch state
* is kept in sync with changes in window focus, visibility, registration, and
* other relevant Window Manager state transitions. */
final class InputMonitor {
// Current window with input focus for keys and other non-touch events. May be null.
private WindowState mInputFocus;
// When true, prevents input dispatch from proceeding until set to false again.
private boolean mInputDispatchFrozen;
// When true, input dispatch proceeds normally. Otherwise all events are dropped.
private boolean mInputDispatchEnabled = true;
// Temporary list of windows information to provide to the input dispatcher.
private InputWindowList mTempInputWindows = new InputWindowList();
// Temporary input application object to provide to the input dispatcher.
private InputApplication mTempInputApplication = new InputApplication();
/* Notifies the window manager about a broken input channel.
*
* Called by the InputManager.
*/
public void notifyInputChannelBroken(InputChannel inputChannel) {
synchronized (mWindowMap) {
WindowState windowState = getWindowStateForInputChannelLocked(inputChannel);
if (windowState == null) {
return; // irrelevant
}
Slog.i(TAG, "WINDOW DIED " + windowState);
removeWindowLocked(windowState.mSession, windowState);
}
}
/* Notifies the window manager about an input channel that is not responding.
* The method can either cause dispatching to be aborted by returning -2 or
* return a new timeout in nanoseconds.
*
* Called by the InputManager.
*/
public long notifyInputChannelANR(InputChannel inputChannel) {
AppWindowToken token;
synchronized (mWindowMap) {
WindowState windowState = getWindowStateForInputChannelLocked(inputChannel);
if (windowState == null) {
return -2; // irrelevant, abort dispatching (-2)
}
Slog.i(TAG, "Input event dispatching timed out sending to "
+ windowState.mAttrs.getTitle());
token = windowState.mAppToken;
}
return notifyANRInternal(token);
}
/* Notifies the window manager about an input channel spontaneously recovering from ANR
* by successfully delivering the event that originally timed out.
*
* Called by the InputManager.
*/
public void notifyInputChannelRecoveredFromANR(InputChannel inputChannel) {
// Nothing to do just now.
// Just wait for the user to dismiss the ANR dialog.
}
/* Notifies the window manager about an application that is not responding
* in general rather than with respect to a particular input channel.
* The method can either cause dispatching to be aborted by returning -2 or
* return a new timeout in nanoseconds.
*
* Called by the InputManager.
*/
public long notifyANR(Object token) {
AppWindowToken appWindowToken = (AppWindowToken) token;
Slog.i(TAG, "Input event dispatching timed out sending to application "
+ appWindowToken.stringName);
return notifyANRInternal(appWindowToken);
}
private long notifyANRInternal(AppWindowToken token) {
if (token != null && token.appToken != null) {
try {
// Notify the activity manager about the timeout and let it decide whether
// to abort dispatching or keep waiting.
boolean abort = token.appToken.keyDispatchingTimedOut();
if (! abort) {
// The activity manager declined to abort dispatching.
// Wait a bit longer and timeout again later.
return token.inputDispatchingTimeoutNanos;
}
} catch (RemoteException ex) {
}
}
return -2; // abort dispatching
}
private WindowState getWindowStateForInputChannel(InputChannel inputChannel) {
synchronized (mWindowMap) {
return getWindowStateForInputChannelLocked(inputChannel);
}
}
private WindowState getWindowStateForInputChannelLocked(InputChannel inputChannel) {
int windowCount = mWindows.size();
for (int i = 0; i < windowCount; i++) {
WindowState windowState = (WindowState) mWindows.get(i);
if (windowState.mInputChannel == inputChannel) {
return windowState;
}
}
return null;
}
/* Updates the cached window information provided to the input dispatcher. */
public void updateInputWindowsLw() {
// Populate the input window list with information about all of the windows that
// could potentially receive input.
// As an optimization, we could try to prune the list of windows but this turns
// out to be difficult because only the native code knows for sure which window
// currently has touch focus.
final ArrayList windows = mWindows;
final int N = windows.size();
for (int i = N - 1; i >= 0; i--) {
final WindowState child = (WindowState) windows.get(i);
if (child.mInputChannel == null) {
// Skip this window because it cannot possibly receive input.
continue;
}
final int flags = child.mAttrs.flags;
final int type = child.mAttrs.type;
final boolean hasFocus = (child == mInputFocus);
final boolean isVisible = child.isVisibleLw();
final boolean hasWallpaper = (child == mWallpaperTarget)
&& (type != WindowManager.LayoutParams.TYPE_KEYGUARD);
// Add a window to our list of input windows.
final InputWindow inputWindow = mTempInputWindows.add();
inputWindow.inputChannel = child.mInputChannel;
inputWindow.layoutParamsFlags = flags;
inputWindow.layoutParamsType = type;
inputWindow.dispatchingTimeoutNanos = child.getInputDispatchingTimeoutNanos();
inputWindow.visible = isVisible;
inputWindow.hasFocus = hasFocus;
inputWindow.hasWallpaper = hasWallpaper;
inputWindow.paused = child.mAppToken != null ? child.mAppToken.paused : false;
inputWindow.ownerPid = child.mSession.mPid;
inputWindow.ownerUid = child.mSession.mUid;
final Rect frame = child.mFrame;
inputWindow.frameLeft = frame.left;
inputWindow.frameTop = frame.top;
switch (child.mTouchableInsets) {
default:
case ViewTreeObserver.InternalInsetsInfo.TOUCHABLE_INSETS_FRAME:
inputWindow.touchableAreaLeft = frame.left;
inputWindow.touchableAreaTop = frame.top;
inputWindow.touchableAreaRight = frame.right;
inputWindow.touchableAreaBottom = frame.bottom;
break;
case ViewTreeObserver.InternalInsetsInfo.TOUCHABLE_INSETS_CONTENT: {
Rect inset = child.mGivenContentInsets;
inputWindow.touchableAreaLeft = frame.left + inset.left;
inputWindow.touchableAreaTop = frame.top + inset.top;
inputWindow.touchableAreaRight = frame.right - inset.right;
inputWindow.touchableAreaBottom = frame.bottom - inset.bottom;
break;
}
case ViewTreeObserver.InternalInsetsInfo.TOUCHABLE_INSETS_VISIBLE: {
Rect inset = child.mGivenVisibleInsets;
inputWindow.touchableAreaLeft = frame.left + inset.left;
inputWindow.touchableAreaTop = frame.top + inset.top;
inputWindow.touchableAreaRight = frame.right - inset.right;
inputWindow.touchableAreaBottom = frame.bottom - inset.bottom;
break;
}
}
}
// Send windows to native code.
mInputManager.setInputWindows(mTempInputWindows.toNullTerminatedArray());
// Clear the list in preparation for the next round.
// Also avoids keeping InputChannel objects referenced unnecessarily.
mTempInputWindows.clear();
}
/* Provides feedback for a virtual key down. */
public void virtualKeyDownFeedback() {
synchronized (mWindowMap) {
mPolicy.performHapticFeedbackLw(null, HapticFeedbackConstants.VIRTUAL_KEY, false);
}
}
/* Notifies that an app switch key (BACK / HOME) has just been pressed.
* This essentially starts a .5 second timeout for the application to process
* subsequent input events while waiting for the app switch to occur. If it takes longer
* than this, the pending events will be dropped.
*/
public void notifyAppSwitchComing() {
// TODO Not implemented yet. Should go in the native side.
}
/* Notifies that the lid switch changed state. */
public void notifyLidSwitchChanged(long whenNanos, boolean lidOpen) {
mPolicy.notifyLidSwitchChanged(whenNanos, lidOpen);
}
/* Provides an opportunity for the window manager policy to intercept early key
* processing as soon as the key has been read from the device. */
public int interceptKeyBeforeQueueing(long whenNanos, int keyCode, boolean down,
int policyFlags, boolean isScreenOn) {
return mPolicy.interceptKeyBeforeQueueing(whenNanos,
keyCode, down, policyFlags, isScreenOn);
}
/* Provides an opportunity for the window manager policy to process a key before
* ordinary dispatch. */
public boolean interceptKeyBeforeDispatching(InputChannel focus,
int action, int flags, int keyCode, int metaState, int repeatCount,
int policyFlags) {
WindowState windowState = getWindowStateForInputChannel(focus);
return mPolicy.interceptKeyBeforeDispatching(windowState, action, flags,
keyCode, metaState, repeatCount, policyFlags);
}
/* Called when the current input focus changes.
* Layer assignment is assumed to be complete by the time this is called.
*/
public void setInputFocusLw(WindowState newWindow) {
if (DEBUG_INPUT) {
Slog.d(TAG, "Input focus has changed to " + newWindow);
}
if (newWindow != mInputFocus) {
if (newWindow != null && newWindow.canReceiveKeys()) {
// If the new input focus is an error window or appears above the current
// input focus, preempt any pending synchronous dispatch so that we can
// start delivering events to the new input focus as soon as possible.
if ((newWindow.mAttrs.flags & FLAG_SYSTEM_ERROR) != 0) {
if (DEBUG_INPUT) {
Slog.v(TAG, "New SYSTEM_ERROR window; resetting state");
}
preemptInputDispatchLw();
} else if (mInputFocus != null && newWindow.mLayer > mInputFocus.mLayer) {
if (DEBUG_INPUT) {
Slog.v(TAG, "Transferring focus to new window at higher layer: "
+ "old win layer=" + mInputFocus.mLayer
+ ", new win layer=" + newWindow.mLayer);
}
preemptInputDispatchLw();
}
// Displaying a window implicitly causes dispatching to be unpaused.
// This is to protect against bugs if someone pauses dispatching but
// forgets to resume.
newWindow.mToken.paused = false;
}
mInputFocus = newWindow;
updateInputWindowsLw();
}
}
public void windowIsBecomingInvisibleLw(WindowState window) {
// The window is becoming invisible. Preempt input dispatch in progress
// so that the next window below can receive focus.
if (window == mInputFocus) {
mInputFocus = null;
preemptInputDispatchLw();
}
updateInputWindowsLw();
}
/* Tells the dispatcher to stop waiting for its current synchronous event targets.
* Essentially, just makes those dispatches asynchronous so a new dispatch cycle
* can begin.
*/
private void preemptInputDispatchLw() {
mInputManager.preemptInputDispatch();
}
public void setFocusedAppLw(AppWindowToken newApp) {
// Focused app has changed.
if (newApp == null) {
mInputManager.setFocusedApplication(null);
} else {
mTempInputApplication.name = newApp.toString();
mTempInputApplication.dispatchingTimeoutNanos =
newApp.inputDispatchingTimeoutNanos;
mTempInputApplication.token = newApp;
mInputManager.setFocusedApplication(mTempInputApplication);
}
}
public void windowIsBeingRemovedLw(WindowState window) {
// Window is being removed.
updateInputWindowsLw();
}
public void pauseDispatchingLw(WindowToken window) {
if (! window.paused) {
if (DEBUG_INPUT) {
Slog.v(TAG, "Pausing WindowToken " + window);
}
window.paused = true;
updateInputWindowsLw();
}
}
public void resumeDispatchingLw(WindowToken window) {
if (window.paused) {
if (DEBUG_INPUT) {
Slog.v(TAG, "Resuming WindowToken " + window);
}
window.paused = false;
updateInputWindowsLw();
}
}
public void freezeInputDispatchingLw() {
if (! mInputDispatchFrozen) {
if (DEBUG_INPUT) {
Slog.v(TAG, "Freezing input dispatching");
}
mInputDispatchFrozen = true;
updateInputDispatchModeLw();
}
}
public void thawInputDispatchingLw() {
if (mInputDispatchFrozen) {
if (DEBUG_INPUT) {
Slog.v(TAG, "Thawing input dispatching");
}
mInputDispatchFrozen = false;
updateInputDispatchModeLw();
}
}
public void setEventDispatchingLw(boolean enabled) {
if (mInputDispatchEnabled != enabled) {
if (DEBUG_INPUT) {
Slog.v(TAG, "Setting event dispatching to " + enabled);
}
mInputDispatchEnabled = enabled;
updateInputDispatchModeLw();
}
}
private void updateInputDispatchModeLw() {
mInputManager.setInputDispatchMode(mInputDispatchEnabled, mInputDispatchFrozen);
}
}
public void pauseKeyDispatching(IBinder _token) {
if (!checkCallingPermission(android.Manifest.permission.MANAGE_APP_TOKENS,
"pauseKeyDispatching()")) {
throw new SecurityException("Requires MANAGE_APP_TOKENS permission");
}
synchronized (mWindowMap) {
WindowToken token = mTokenMap.get(_token);
if (token != null) {
mInputMonitor.pauseDispatchingLw(token);
}
}
}
public void resumeKeyDispatching(IBinder _token) {
if (!checkCallingPermission(android.Manifest.permission.MANAGE_APP_TOKENS,
"resumeKeyDispatching()")) {
throw new SecurityException("Requires MANAGE_APP_TOKENS permission");
}
synchronized (mWindowMap) {
WindowToken token = mTokenMap.get(_token);
if (token != null) {
mInputMonitor.resumeDispatchingLw(token);
}
}
}
public void setEventDispatching(boolean enabled) {
if (!checkCallingPermission(android.Manifest.permission.MANAGE_APP_TOKENS,
"resumeKeyDispatching()")) {
throw new SecurityException("Requires MANAGE_APP_TOKENS permission");
}
synchronized (mWindowMap) {
mInputMonitor.setEventDispatchingLw(enabled);
}
}
/**
* Injects a keystroke event into the UI.
*
* @param ev A motion event describing the keystroke action. (Be sure to use
* {@link SystemClock#uptimeMillis()} as the timebase.)
* @param sync If true, wait for the event to be completed before returning to the caller.
* @return Returns true if event was dispatched, false if it was dropped for any reason
*/
public boolean injectKeyEvent(KeyEvent ev, boolean sync) {
long downTime = ev.getDownTime();
long eventTime = ev.getEventTime();
int action = ev.getAction();
int code = ev.getKeyCode();
int repeatCount = ev.getRepeatCount();
int metaState = ev.getMetaState();
int deviceId = ev.getDeviceId();
int scancode = ev.getScanCode();
if (eventTime == 0) eventTime = SystemClock.uptimeMillis();
if (downTime == 0) downTime = eventTime;
KeyEvent newEvent = new KeyEvent(downTime, eventTime, action, code, repeatCount, metaState,
deviceId, scancode, KeyEvent.FLAG_FROM_SYSTEM);
final int pid = Binder.getCallingPid();
final int uid = Binder.getCallingUid();
final long ident = Binder.clearCallingIdentity();
final int result = mInputManager.injectKeyEvent(newEvent,
InputQueue.INPUT_EVENT_NATURE_KEY, pid, uid, sync, INJECTION_TIMEOUT_MILLIS);
Binder.restoreCallingIdentity(ident);
return reportInjectionResult(result);
}
/**
* Inject a pointer (touch) event into the UI.
*
* @param ev A motion event describing the pointer (touch) action. (As noted in
* {@link MotionEvent#obtain(long, long, int, float, float, int)}, be sure to use
* {@link SystemClock#uptimeMillis()} as the timebase.)
* @param sync If true, wait for the event to be completed before returning to the caller.
* @return Returns true if event was dispatched, false if it was dropped for any reason
*/
public boolean injectPointerEvent(MotionEvent ev, boolean sync) {
final int pid = Binder.getCallingPid();
final int uid = Binder.getCallingUid();
final long ident = Binder.clearCallingIdentity();
final int result = mInputManager.injectMotionEvent(ev,
InputQueue.INPUT_EVENT_NATURE_TOUCH, pid, uid, sync, INJECTION_TIMEOUT_MILLIS);
Binder.restoreCallingIdentity(ident);
return reportInjectionResult(result);
}
/**
* Inject a trackball (navigation device) event into the UI.
*
* @param ev A motion event describing the trackball action. (As noted in
* {@link MotionEvent#obtain(long, long, int, float, float, int)}, be sure to use
* {@link SystemClock#uptimeMillis()} as the timebase.)
* @param sync If true, wait for the event to be completed before returning to the caller.
* @return Returns true if event was dispatched, false if it was dropped for any reason
*/
public boolean injectTrackballEvent(MotionEvent ev, boolean sync) {
final int pid = Binder.getCallingPid();
final int uid = Binder.getCallingUid();
final long ident = Binder.clearCallingIdentity();
final int result = mInputManager.injectMotionEvent(ev,
InputQueue.INPUT_EVENT_NATURE_TRACKBALL, pid, uid, sync, INJECTION_TIMEOUT_MILLIS);
Binder.restoreCallingIdentity(ident);
return reportInjectionResult(result);
}
private boolean reportInjectionResult(int result) {
switch (result) {
case InputManager.INPUT_EVENT_INJECTION_PERMISSION_DENIED:
Slog.w(TAG, "Input event injection permission denied.");
throw new SecurityException(
"Injecting to another application requires INJECT_EVENTS permission");
case InputManager.INPUT_EVENT_INJECTION_SUCCEEDED:
Slog.v(TAG, "Input event injection succeeded.");
return true;
case InputManager.INPUT_EVENT_INJECTION_TIMED_OUT:
Slog.w(TAG, "Input event injection timed out.");
return false;
case InputManager.INPUT_EVENT_INJECTION_FAILED:
default:
Slog.w(TAG, "Input event injection failed.");
return false;
}
}
private WindowState getFocusedWindow() {
synchronized (mWindowMap) {
return getFocusedWindowLocked();
}
}
private WindowState getFocusedWindowLocked() {
return mCurrentFocus;
}
public boolean detectSafeMode() {
mSafeMode = mPolicy.detectSafeMode();
return mSafeMode;
}
public void systemReady() {
mPolicy.systemReady();
}
// -------------------------------------------------------------
// Client Session State
// -------------------------------------------------------------
private final class Session extends IWindowSession.Stub
implements IBinder.DeathRecipient {
final IInputMethodClient mClient;
final IInputContext mInputContext;
final int mUid;
final int mPid;
final String mStringName;
SurfaceSession mSurfaceSession;
int mNumWindow = 0;
boolean mClientDead = false;
public Session(IInputMethodClient client, IInputContext inputContext) {
mClient = client;
mInputContext = inputContext;
mUid = Binder.getCallingUid();
mPid = Binder.getCallingPid();
StringBuilder sb = new StringBuilder();
sb.append("Session{");
sb.append(Integer.toHexString(System.identityHashCode(this)));
sb.append(" uid ");
sb.append(mUid);
sb.append("}");
mStringName = sb.toString();
synchronized (mWindowMap) {
if (mInputMethodManager == null && mHaveInputMethods) {
IBinder b = ServiceManager.getService(
Context.INPUT_METHOD_SERVICE);
mInputMethodManager = IInputMethodManager.Stub.asInterface(b);
}
}
long ident = Binder.clearCallingIdentity();
try {
// Note: it is safe to call in to the input method manager
// here because we are not holding our lock.
if (mInputMethodManager != null) {
mInputMethodManager.addClient(client, inputContext,
mUid, mPid);
} else {
client.setUsingInputMethod(false);
}
client.asBinder().linkToDeath(this, 0);
} catch (RemoteException e) {
// The caller has died, so we can just forget about this.
try {
if (mInputMethodManager != null) {
mInputMethodManager.removeClient(client);
}
} catch (RemoteException ee) {
}
} finally {
Binder.restoreCallingIdentity(ident);
}
}
@Override
public boolean onTransact(int code, Parcel data, Parcel reply, int flags)
throws RemoteException {
try {
return super.onTransact(code, data, reply, flags);
} catch (RuntimeException e) {
// Log all 'real' exceptions thrown to the caller
if (!(e instanceof SecurityException)) {
Slog.e(TAG, "Window Session Crash", e);
}
throw e;
}
}
public void binderDied() {
// Note: it is safe to call in to the input method manager
// here because we are not holding our lock.
try {
if (mInputMethodManager != null) {
mInputMethodManager.removeClient(mClient);
}
} catch (RemoteException e) {
}
synchronized(mWindowMap) {
mClient.asBinder().unlinkToDeath(this, 0);
mClientDead = true;
killSessionLocked();
}
}
public int add(IWindow window, WindowManager.LayoutParams attrs,
int viewVisibility, Rect outContentInsets, InputChannel outInputChannel) {
return addWindow(this, window, attrs, viewVisibility, outContentInsets,
outInputChannel);
}
public int addWithoutInputChannel(IWindow window, WindowManager.LayoutParams attrs,
int viewVisibility, Rect outContentInsets) {
return addWindow(this, window, attrs, viewVisibility, outContentInsets, null);
}
public void remove(IWindow window) {
removeWindow(this, window);
}
public int relayout(IWindow window, WindowManager.LayoutParams attrs,
int requestedWidth, int requestedHeight, int viewFlags,
boolean insetsPending, Rect outFrame, Rect outContentInsets,
Rect outVisibleInsets, Configuration outConfig, Surface outSurface) {
return relayoutWindow(this, window, attrs,
requestedWidth, requestedHeight, viewFlags, insetsPending,
outFrame, outContentInsets, outVisibleInsets, outConfig, outSurface);
}
public void setTransparentRegion(IWindow window, Region region) {
setTransparentRegionWindow(this, window, region);
}
public void setInsets(IWindow window, int touchableInsets,
Rect contentInsets, Rect visibleInsets) {
setInsetsWindow(this, window, touchableInsets, contentInsets,
visibleInsets);
}
public void getDisplayFrame(IWindow window, Rect outDisplayFrame) {
getWindowDisplayFrame(this, window, outDisplayFrame);
}
public void finishDrawing(IWindow window) {
if (localLOGV) Slog.v(
TAG, "IWindow finishDrawing called for " + window);
finishDrawingWindow(this, window);
}
public void setInTouchMode(boolean mode) {
synchronized(mWindowMap) {
mInTouchMode = mode;
}
}
public boolean getInTouchMode() {
synchronized(mWindowMap) {
return mInTouchMode;
}
}
public boolean performHapticFeedback(IWindow window, int effectId,
boolean always) {
synchronized(mWindowMap) {
long ident = Binder.clearCallingIdentity();
try {
return mPolicy.performHapticFeedbackLw(
windowForClientLocked(this, window, true),
effectId, always);
} finally {
Binder.restoreCallingIdentity(ident);
}
}
}
public void setWallpaperPosition(IBinder window, float x, float y, float xStep, float yStep) {
synchronized(mWindowMap) {
long ident = Binder.clearCallingIdentity();
try {
setWindowWallpaperPositionLocked(
windowForClientLocked(this, window, true),
x, y, xStep, yStep);
} finally {
Binder.restoreCallingIdentity(ident);
}
}
}
public void wallpaperOffsetsComplete(IBinder window) {
WindowManagerService.this.wallpaperOffsetsComplete(window);
}
public Bundle sendWallpaperCommand(IBinder window, String action, int x, int y,
int z, Bundle extras, boolean sync) {
synchronized(mWindowMap) {
long ident = Binder.clearCallingIdentity();
try {
return sendWindowWallpaperCommandLocked(
windowForClientLocked(this, window, true),
action, x, y, z, extras, sync);
} finally {
Binder.restoreCallingIdentity(ident);
}
}
}
public void wallpaperCommandComplete(IBinder window, Bundle result) {
WindowManagerService.this.wallpaperCommandComplete(window, result);
}
void windowAddedLocked() {
if (mSurfaceSession == null) {
if (localLOGV) Slog.v(
TAG, "First window added to " + this + ", creating SurfaceSession");
mSurfaceSession = new SurfaceSession();
if (SHOW_TRANSACTIONS) Slog.i(
TAG, " NEW SURFACE SESSION " + mSurfaceSession);
mSessions.add(this);
}
mNumWindow++;
}
void windowRemovedLocked() {
mNumWindow--;
killSessionLocked();
}
void killSessionLocked() {
if (mNumWindow <= 0 && mClientDead) {
mSessions.remove(this);
if (mSurfaceSession != null) {
if (localLOGV) Slog.v(
TAG, "Last window removed from " + this
+ ", destroying " + mSurfaceSession);
if (SHOW_TRANSACTIONS) Slog.i(
TAG, " KILL SURFACE SESSION " + mSurfaceSession);
try {
mSurfaceSession.kill();
} catch (Exception e) {
Slog.w(TAG, "Exception thrown when killing surface session "
+ mSurfaceSession + " in session " + this
+ ": " + e.toString());
}
mSurfaceSession = null;
}
}
}
void dump(PrintWriter pw, String prefix) {
pw.print(prefix); pw.print("mNumWindow="); pw.print(mNumWindow);
pw.print(" mClientDead="); pw.print(mClientDead);
pw.print(" mSurfaceSession="); pw.println(mSurfaceSession);
}
@Override
public String toString() {
return mStringName;
}
}
// -------------------------------------------------------------
// Client Window State
// -------------------------------------------------------------
private final class WindowState implements WindowManagerPolicy.WindowState {
final Session mSession;
final IWindow mClient;
WindowToken mToken;
WindowToken mRootToken;
AppWindowToken mAppToken;
AppWindowToken mTargetAppToken;
final WindowManager.LayoutParams mAttrs = new WindowManager.LayoutParams();
final DeathRecipient mDeathRecipient;
final WindowState mAttachedWindow;
final ArrayList mChildWindows = new ArrayList();
final int mBaseLayer;
final int mSubLayer;
final boolean mLayoutAttached;
final boolean mIsImWindow;
final boolean mIsWallpaper;
final boolean mIsFloatingLayer;
int mViewVisibility;
boolean mPolicyVisibility = true;
boolean mPolicyVisibilityAfterAnim = true;
boolean mAppFreezing;
Surface mSurface;
boolean mReportDestroySurface;
boolean mSurfacePendingDestroy;
boolean mAttachedHidden; // is our parent window hidden?
boolean mLastHidden; // was this window last hidden?
boolean mWallpaperVisible; // for wallpaper, what was last vis report?
int mRequestedWidth;
int mRequestedHeight;
int mLastRequestedWidth;
int mLastRequestedHeight;
int mLayer;
int mAnimLayer;
int mLastLayer;
boolean mHaveFrame;
boolean mObscured;
boolean mTurnOnScreen;
int mLayoutSeq = -1;
Configuration mConfiguration = null;
// Actual frame shown on-screen (may be modified by animation)
final Rect mShownFrame = new Rect();
final Rect mLastShownFrame = new Rect();
/**
* Set when we have changed the size of the surface, to know that
* we must tell them application to resize (and thus redraw itself).
*/
boolean mSurfaceResized;
/**
* Insets that determine the actually visible area
*/
final Rect mVisibleInsets = new Rect();
final Rect mLastVisibleInsets = new Rect();
boolean mVisibleInsetsChanged;
/**
* Insets that are covered by system windows
*/
final Rect mContentInsets = new Rect();
final Rect mLastContentInsets = new Rect();
boolean mContentInsetsChanged;
/**
* Set to true if we are waiting for this window to receive its
* given internal insets before laying out other windows based on it.
*/
boolean mGivenInsetsPending;
/**
* These are the content insets that were given during layout for
* this window, to be applied to windows behind it.
*/
final Rect mGivenContentInsets = new Rect();
/**
* These are the visible insets that were given during layout for
* this window, to be applied to windows behind it.
*/
final Rect mGivenVisibleInsets = new Rect();
/**
* Flag indicating whether the touchable region should be adjusted by
* the visible insets; if false the area outside the visible insets is
* NOT touchable, so we must use those to adjust the frame during hit
* tests.
*/
int mTouchableInsets = ViewTreeObserver.InternalInsetsInfo.TOUCHABLE_INSETS_FRAME;
// Current transformation being applied.
float mDsDx=1, mDtDx=0, mDsDy=0, mDtDy=1;
float mLastDsDx=1, mLastDtDx=0, mLastDsDy=0, mLastDtDy=1;
float mHScale=1, mVScale=1;
float mLastHScale=1, mLastVScale=1;
final Matrix mTmpMatrix = new Matrix();
// "Real" frame that the application sees.
final Rect mFrame = new Rect();
final Rect mLastFrame = new Rect();
final Rect mContainingFrame = new Rect();
final Rect mDisplayFrame = new Rect();
final Rect mContentFrame = new Rect();
final Rect mVisibleFrame = new Rect();
float mShownAlpha = 1;
float mAlpha = 1;
float mLastAlpha = 1;
// Set to true if, when the window gets displayed, it should perform
// an enter animation.
boolean mEnterAnimationPending;
// Currently running animation.
boolean mAnimating;
boolean mLocalAnimating;
Animation mAnimation;
boolean mAnimationIsEntrance;
boolean mHasTransformation;
boolean mHasLocalTransformation;
final Transformation mTransformation = new Transformation();
// If a window showing a wallpaper: the requested offset for the
// wallpaper; if a wallpaper window: the currently applied offset.
float mWallpaperX = -1;
float mWallpaperY = -1;
// If a window showing a wallpaper: what fraction of the offset
// range corresponds to a full virtual screen.
float mWallpaperXStep = -1;
float mWallpaperYStep = -1;
// Wallpaper windows: pixels offset based on above variables.
int mXOffset;
int mYOffset;
// This is set after IWindowSession.relayout() has been called at
// least once for the window. It allows us to detect the situation
// where we don't yet have a surface, but should have one soon, so
// we can give the window focus before waiting for the relayout.
boolean mRelayoutCalled;
// This is set after the Surface has been created but before the
// window has been drawn. During this time the surface is hidden.
boolean mDrawPending;
// This is set after the window has finished drawing for the first
// time but before its surface is shown. The surface will be
// displayed when the next layout is run.
boolean mCommitDrawPending;
// This is set during the time after the window's drawing has been
// committed, and before its surface is actually shown. It is used
// to delay showing the surface until all windows in a token are ready
// to be shown.
boolean mReadyToShow;
// Set when the window has been shown in the screen the first time.
boolean mHasDrawn;
// Currently running an exit animation?
boolean mExiting;
// Currently on the mDestroySurface list?
boolean mDestroying;
// Completely remove from window manager after exit animation?
boolean mRemoveOnExit;
// Set when the orientation is changing and this window has not yet
// been updated for the new orientation.
boolean mOrientationChanging;
// Is this window now (or just being) removed?
boolean mRemoved;
// For debugging, this is the last information given to the surface flinger.
boolean mSurfaceShown;
int mSurfaceX, mSurfaceY, mSurfaceW, mSurfaceH;
int mSurfaceLayer;
float mSurfaceAlpha;
// Input channel
InputChannel mInputChannel;
WindowState(Session s, IWindow c, WindowToken token,
WindowState attachedWindow, WindowManager.LayoutParams a,
int viewVisibility) {
mSession = s;
mClient = c;
mToken = token;
mAttrs.copyFrom(a);
mViewVisibility = viewVisibility;
DeathRecipient deathRecipient = new DeathRecipient();
mAlpha = a.alpha;
if (localLOGV) Slog.v(
TAG, "Window " + this + " client=" + c.asBinder()
+ " token=" + token + " (" + mAttrs.token + ")");
try {
c.asBinder().linkToDeath(deathRecipient, 0);
} catch (RemoteException e) {
mDeathRecipient = null;
mAttachedWindow = null;
mLayoutAttached = false;
mIsImWindow = false;
mIsWallpaper = false;
mIsFloatingLayer = false;
mBaseLayer = 0;
mSubLayer = 0;
return;
}
mDeathRecipient = deathRecipient;
if ((mAttrs.type >= FIRST_SUB_WINDOW &&
mAttrs.type <= LAST_SUB_WINDOW)) {
// The multiplier here is to reserve space for multiple
// windows in the same type layer.
mBaseLayer = mPolicy.windowTypeToLayerLw(
attachedWindow.mAttrs.type) * TYPE_LAYER_MULTIPLIER
+ TYPE_LAYER_OFFSET;
mSubLayer = mPolicy.subWindowTypeToLayerLw(a.type);
mAttachedWindow = attachedWindow;
mAttachedWindow.mChildWindows.add(this);
mLayoutAttached = mAttrs.type !=
WindowManager.LayoutParams.TYPE_APPLICATION_ATTACHED_DIALOG;
mIsImWindow = attachedWindow.mAttrs.type == TYPE_INPUT_METHOD
|| attachedWindow.mAttrs.type == TYPE_INPUT_METHOD_DIALOG;
mIsWallpaper = attachedWindow.mAttrs.type == TYPE_WALLPAPER;
mIsFloatingLayer = mIsImWindow || mIsWallpaper;
} else {
// The multiplier here is to reserve space for multiple
// windows in the same type layer.
mBaseLayer = mPolicy.windowTypeToLayerLw(a.type)
* TYPE_LAYER_MULTIPLIER
+ TYPE_LAYER_OFFSET;
mSubLayer = 0;
mAttachedWindow = null;
mLayoutAttached = false;
mIsImWindow = mAttrs.type == TYPE_INPUT_METHOD
|| mAttrs.type == TYPE_INPUT_METHOD_DIALOG;
mIsWallpaper = mAttrs.type == TYPE_WALLPAPER;
mIsFloatingLayer = mIsImWindow || mIsWallpaper;
}
WindowState appWin = this;
while (appWin.mAttachedWindow != null) {
appWin = mAttachedWindow;
}
WindowToken appToken = appWin.mToken;
while (appToken.appWindowToken == null) {
WindowToken parent = mTokenMap.get(appToken.token);
if (parent == null || appToken == parent) {
break;
}
appToken = parent;
}
mRootToken = appToken;
mAppToken = appToken.appWindowToken;
mSurface = null;
mRequestedWidth = 0;
mRequestedHeight = 0;
mLastRequestedWidth = 0;
mLastRequestedHeight = 0;
mXOffset = 0;
mYOffset = 0;
mLayer = 0;
mAnimLayer = 0;
mLastLayer = 0;
}
void attach() {
if (localLOGV) Slog.v(
TAG, "Attaching " + this + " token=" + mToken
+ ", list=" + mToken.windows);
mSession.windowAddedLocked();
}
public void computeFrameLw(Rect pf, Rect df, Rect cf, Rect vf) {
mHaveFrame = true;
final Rect container = mContainingFrame;
container.set(pf);
final Rect display = mDisplayFrame;
display.set(df);
if ((mAttrs.flags & FLAG_COMPATIBLE_WINDOW) != 0) {
container.intersect(mCompatibleScreenFrame);
if ((mAttrs.flags & FLAG_LAYOUT_NO_LIMITS) == 0) {
display.intersect(mCompatibleScreenFrame);
}
}
final int pw = container.right - container.left;
final int ph = container.bottom - container.top;
int w,h;
if ((mAttrs.flags & mAttrs.FLAG_SCALED) != 0) {
w = mAttrs.width < 0 ? pw : mAttrs.width;
h = mAttrs.height< 0 ? ph : mAttrs.height;
} else {
w = mAttrs.width == mAttrs.MATCH_PARENT ? pw : mRequestedWidth;
h = mAttrs.height== mAttrs.MATCH_PARENT ? ph : mRequestedHeight;
}
final Rect content = mContentFrame;
content.set(cf);
final Rect visible = mVisibleFrame;
visible.set(vf);
final Rect frame = mFrame;
final int fw = frame.width();
final int fh = frame.height();
//System.out.println("In: w=" + w + " h=" + h + " container=" +
// container + " x=" + mAttrs.x + " y=" + mAttrs.y);
Gravity.apply(mAttrs.gravity, w, h, container,
(int) (mAttrs.x + mAttrs.horizontalMargin * pw),
(int) (mAttrs.y + mAttrs.verticalMargin * ph), frame);
//System.out.println("Out: " + mFrame);
// Now make sure the window fits in the overall display.
Gravity.applyDisplay(mAttrs.gravity, df, frame);
// Make sure the content and visible frames are inside of the
// final window frame.
if (content.left < frame.left) content.left = frame.left;
if (content.top < frame.top) content.top = frame.top;
if (content.right > frame.right) content.right = frame.right;
if (content.bottom > frame.bottom) content.bottom = frame.bottom;
if (visible.left < frame.left) visible.left = frame.left;
if (visible.top < frame.top) visible.top = frame.top;
if (visible.right > frame.right) visible.right = frame.right;
if (visible.bottom > frame.bottom) visible.bottom = frame.bottom;
final Rect contentInsets = mContentInsets;
contentInsets.left = content.left-frame.left;
contentInsets.top = content.top-frame.top;
contentInsets.right = frame.right-content.right;
contentInsets.bottom = frame.bottom-content.bottom;
final Rect visibleInsets = mVisibleInsets;
visibleInsets.left = visible.left-frame.left;
visibleInsets.top = visible.top-frame.top;
visibleInsets.right = frame.right-visible.right;
visibleInsets.bottom = frame.bottom-visible.bottom;
if (mIsWallpaper && (fw != frame.width() || fh != frame.height())) {
updateWallpaperOffsetLocked(this, mDisplay.getWidth(),
mDisplay.getHeight(), false);
}
if (localLOGV) {
//if ("com.google.android.youtube".equals(mAttrs.packageName)
// && mAttrs.type == WindowManager.LayoutParams.TYPE_APPLICATION_PANEL) {
Slog.v(TAG, "Resolving (mRequestedWidth="
+ mRequestedWidth + ", mRequestedheight="
+ mRequestedHeight + ") to" + " (pw=" + pw + ", ph=" + ph
+ "): frame=" + mFrame.toShortString()
+ " ci=" + contentInsets.toShortString()
+ " vi=" + visibleInsets.toShortString());
//}
}
}
public Rect getFrameLw() {
return mFrame;
}
public Rect getShownFrameLw() {
return mShownFrame;
}
public Rect getDisplayFrameLw() {
return mDisplayFrame;
}
public Rect getContentFrameLw() {
return mContentFrame;
}
public Rect getVisibleFrameLw() {
return mVisibleFrame;
}
public boolean getGivenInsetsPendingLw() {
return mGivenInsetsPending;
}
public Rect getGivenContentInsetsLw() {
return mGivenContentInsets;
}
public Rect getGivenVisibleInsetsLw() {
return mGivenVisibleInsets;
}
public WindowManager.LayoutParams getAttrs() {
return mAttrs;
}
public int getSurfaceLayer() {
return mLayer;
}
public IApplicationToken getAppToken() {
return mAppToken != null ? mAppToken.appToken : null;
}
public long getInputDispatchingTimeoutNanos() {
return mAppToken != null
? mAppToken.inputDispatchingTimeoutNanos
: DEFAULT_INPUT_DISPATCHING_TIMEOUT_NANOS;
}
public boolean hasAppShownWindows() {
return mAppToken != null ? mAppToken.firstWindowDrawn : false;
}
public void setAnimation(Animation anim) {
if (localLOGV) Slog.v(
TAG, "Setting animation in " + this + ": " + anim);
mAnimating = false;
mLocalAnimating = false;
mAnimation = anim;
mAnimation.restrictDuration(MAX_ANIMATION_DURATION);
mAnimation.scaleCurrentDuration(mWindowAnimationScale);
}
public void clearAnimation() {
if (mAnimation != null) {
mAnimating = true;
mLocalAnimating = false;
mAnimation = null;
}
}
Surface createSurfaceLocked() {
if (mSurface == null) {
mReportDestroySurface = false;
mSurfacePendingDestroy = false;
mDrawPending = true;
mCommitDrawPending = false;
mReadyToShow = false;
if (mAppToken != null) {
mAppToken.allDrawn = false;
}
int flags = 0;
if (mAttrs.memoryType == MEMORY_TYPE_PUSH_BUFFERS) {
flags |= Surface.PUSH_BUFFERS;
}
if ((mAttrs.flags&WindowManager.LayoutParams.FLAG_SECURE) != 0) {
flags |= Surface.SECURE;
}
if (DEBUG_VISIBILITY) Slog.v(
TAG, "Creating surface in session "
+ mSession.mSurfaceSession + " window " + this
+ " w=" + mFrame.width()
+ " h=" + mFrame.height() + " format="
+ mAttrs.format + " flags=" + flags);
int w = mFrame.width();
int h = mFrame.height();
if ((mAttrs.flags & LayoutParams.FLAG_SCALED) != 0) {
// for a scaled surface, we always want the requested
// size.
w = mRequestedWidth;
h = mRequestedHeight;
}
// Something is wrong and SurfaceFlinger will not like this,
// try to revert to sane values
if (w <= 0) w = 1;
if (h <= 0) h = 1;
mSurfaceShown = false;
mSurfaceLayer = 0;
mSurfaceAlpha = 1;
mSurfaceX = 0;
mSurfaceY = 0;
mSurfaceW = w;
mSurfaceH = h;
try {
mSurface = new Surface(
mSession.mSurfaceSession, mSession.mPid,
mAttrs.getTitle().toString(),
0, w, h, mAttrs.format, flags);
if (SHOW_TRANSACTIONS) Slog.i(TAG, " CREATE SURFACE "
+ mSurface + " IN SESSION "
+ mSession.mSurfaceSession
+ ": pid=" + mSession.mPid + " format="
+ mAttrs.format + " flags=0x"
+ Integer.toHexString(flags)
+ " / " + this);
} catch (Surface.OutOfResourcesException e) {
Slog.w(TAG, "OutOfResourcesException creating surface");
reclaimSomeSurfaceMemoryLocked(this, "create");
return null;
} catch (Exception e) {
Slog.e(TAG, "Exception creating surface", e);
return null;
}
if (localLOGV) Slog.v(
TAG, "Got surface: " + mSurface
+ ", set left=" + mFrame.left + " top=" + mFrame.top
+ ", animLayer=" + mAnimLayer);
if (SHOW_TRANSACTIONS) {
Slog.i(TAG, ">>> OPEN TRANSACTION");
if (SHOW_TRANSACTIONS) logSurface(this,
"CREATE pos=(" + mFrame.left + "," + mFrame.top + ") (" +
mFrame.width() + "x" + mFrame.height() + "), layer=" +
mAnimLayer + " HIDE", null);
}
Surface.openTransaction();
try {
try {
mSurfaceX = mFrame.left + mXOffset;
mSurfaceY = mFrame.top + mYOffset;
mSurface.setPosition(mSurfaceX, mSurfaceY);
mSurfaceLayer = mAnimLayer;
mSurface.setLayer(mAnimLayer);
mSurfaceShown = false;
mSurface.hide();
if ((mAttrs.flags&WindowManager.LayoutParams.FLAG_DITHER) != 0) {
if (SHOW_TRANSACTIONS) logSurface(this, "DITHER", null);
mSurface.setFlags(Surface.SURFACE_DITHER,
Surface.SURFACE_DITHER);
}
} catch (RuntimeException e) {
Slog.w(TAG, "Error creating surface in " + w, e);
reclaimSomeSurfaceMemoryLocked(this, "create-init");
}
mLastHidden = true;
} finally {
if (SHOW_TRANSACTIONS) Slog.i(TAG, "<<< CLOSE TRANSACTION");
Surface.closeTransaction();
}
if (localLOGV) Slog.v(
TAG, "Created surface " + this);
}
return mSurface;
}
void destroySurfaceLocked() {
if (mAppToken != null && this == mAppToken.startingWindow) {
mAppToken.startingDisplayed = false;
}
if (mSurface != null) {
mDrawPending = false;
mCommitDrawPending = false;
mReadyToShow = false;
int i = mChildWindows.size();
while (i > 0) {
i--;
WindowState c = (WindowState)mChildWindows.get(i);
c.mAttachedHidden = true;
mInputMonitor.windowIsBecomingInvisibleLw(c);
}
if (mReportDestroySurface) {
mReportDestroySurface = false;
mSurfacePendingDestroy = true;
try {
mClient.dispatchGetNewSurface();
// We'll really destroy on the next time around.
return;
} catch (RemoteException e) {
}
}
try {
if (DEBUG_VISIBILITY) {
RuntimeException e = null;
if (!HIDE_STACK_CRAWLS) {
e = new RuntimeException();
e.fillInStackTrace();
}
Slog.w(TAG, "Window " + this + " destroying surface "
+ mSurface + ", session " + mSession, e);
}
if (SHOW_TRANSACTIONS) {
RuntimeException e = null;
if (!HIDE_STACK_CRAWLS) {
e = new RuntimeException();
e.fillInStackTrace();
}
if (SHOW_TRANSACTIONS) logSurface(this, "DESTROY", e);
}
mSurface.destroy();
} catch (RuntimeException e) {
Slog.w(TAG, "Exception thrown when destroying Window " + this
+ " surface " + mSurface + " session " + mSession
+ ": " + e.toString());
}
mSurfaceShown = false;
mSurface = null;
}
}
boolean finishDrawingLocked() {
if (mDrawPending) {
if (SHOW_TRANSACTIONS || DEBUG_ORIENTATION) Slog.v(
TAG, "finishDrawingLocked: " + mSurface);
mCommitDrawPending = true;
mDrawPending = false;
return true;
}
return false;
}
// This must be called while inside a transaction.
boolean commitFinishDrawingLocked(long currentTime) {
//Slog.i(TAG, "commitFinishDrawingLocked: " + mSurface);
if (!mCommitDrawPending) {
return false;
}
mCommitDrawPending = false;
mReadyToShow = true;
final boolean starting = mAttrs.type == TYPE_APPLICATION_STARTING;
final AppWindowToken atoken = mAppToken;
if (atoken == null || atoken.allDrawn || starting) {
performShowLocked();
}
return true;
}
// This must be called while inside a transaction.
boolean performShowLocked() {
if (DEBUG_VISIBILITY) {
RuntimeException e = null;
if (!HIDE_STACK_CRAWLS) {
e = new RuntimeException();
e.fillInStackTrace();
}
Slog.v(TAG, "performShow on " + this
+ ": readyToShow=" + mReadyToShow + " readyForDisplay=" + isReadyForDisplay()
+ " starting=" + (mAttrs.type == TYPE_APPLICATION_STARTING), e);
}
if (mReadyToShow && isReadyForDisplay()) {
if (SHOW_TRANSACTIONS || DEBUG_ORIENTATION) logSurface(this,
"SHOW (performShowLocked)", null);
if (DEBUG_VISIBILITY) Slog.v(TAG, "Showing " + this
+ " during animation: policyVis=" + mPolicyVisibility
+ " attHidden=" + mAttachedHidden
+ " tok.hiddenRequested="
+ (mAppToken != null ? mAppToken.hiddenRequested : false)
+ " tok.hidden="
+ (mAppToken != null ? mAppToken.hidden : false)
+ " animating=" + mAnimating
+ " tok animating="
+ (mAppToken != null ? mAppToken.animating : false));
if (!showSurfaceRobustlyLocked(this)) {
return false;
}
mLastAlpha = -1;
mHasDrawn = true;
mLastHidden = false;
mReadyToShow = false;
enableScreenIfNeededLocked();
applyEnterAnimationLocked(this);
int i = mChildWindows.size();
while (i > 0) {
i--;
WindowState c = (WindowState)mChildWindows.get(i);
if (c.mAttachedHidden) {
c.mAttachedHidden = false;
if (c.mSurface != null) {
c.performShowLocked();
// It hadn't been shown, which means layout not
// performed on it, so now we want to make sure to
// do a layout. If called from within the transaction
// loop, this will cause it to restart with a new
// layout.
mLayoutNeeded = true;
}
}
}
if (mAttrs.type != TYPE_APPLICATION_STARTING
&& mAppToken != null) {
mAppToken.firstWindowDrawn = true;
if (mAppToken.startingData != null) {
if (DEBUG_STARTING_WINDOW || DEBUG_ANIM) Slog.v(TAG,
"Finish starting " + mToken
+ ": first real window is shown, no animation");
// If this initial window is animating, stop it -- we
// will do an animation to reveal it from behind the
// starting window, so there is no need for it to also
// be doing its own stuff.
if (mAnimation != null) {
mAnimation = null;
// Make sure we clean up the animation.
mAnimating = true;
}
mFinishedStarting.add(mAppToken);
mH.sendEmptyMessage(H.FINISHED_STARTING);
}
mAppToken.updateReportedVisibilityLocked();
}
}
return true;
}
// This must be called while inside a transaction. Returns true if
// there is more animation to run.
boolean stepAnimationLocked(long currentTime, int dw, int dh) {
if (!mDisplayFrozen && mPolicy.isScreenOn()) {
// We will run animations as long as the display isn't frozen.
if (!mDrawPending && !mCommitDrawPending && mAnimation != null) {
mHasTransformation = true;
mHasLocalTransformation = true;
if (!mLocalAnimating) {
if (DEBUG_ANIM) Slog.v(
TAG, "Starting animation in " + this +
" @ " + currentTime + ": ww=" + mFrame.width() + " wh=" + mFrame.height() +
" dw=" + dw + " dh=" + dh + " scale=" + mWindowAnimationScale);
mAnimation.initialize(mFrame.width(), mFrame.height(), dw, dh);
mAnimation.setStartTime(currentTime);
mLocalAnimating = true;
mAnimating = true;
}
mTransformation.clear();
final boolean more = mAnimation.getTransformation(
currentTime, mTransformation);
if (DEBUG_ANIM) Slog.v(
TAG, "Stepped animation in " + this +
": more=" + more + ", xform=" + mTransformation);
if (more) {
// we're not done!
return true;
}
if (DEBUG_ANIM) Slog.v(
TAG, "Finished animation in " + this +
" @ " + currentTime);
mAnimation = null;
//WindowManagerService.this.dump();
}
mHasLocalTransformation = false;
if ((!mLocalAnimating || mAnimationIsEntrance) && mAppToken != null
&& mAppToken.animation != null) {
// When our app token is animating, we kind-of pretend like
// we are as well. Note the mLocalAnimating mAnimationIsEntrance
// part of this check means that we will only do this if
// our window is not currently exiting, or it is not
// locally animating itself. The idea being that one that
// is exiting and doing a local animation should be removed
// once that animation is done.
mAnimating = true;
mHasTransformation = true;
mTransformation.clear();
return false;
} else if (mHasTransformation) {
// Little trick to get through the path below to act like
// we have finished an animation.
mAnimating = true;
} else if (isAnimating()) {
mAnimating = true;
}
} else if (mAnimation != null) {
// If the display is frozen, and there is a pending animation,
// clear it and make sure we run the cleanup code.
mAnimating = true;
mLocalAnimating = true;
mAnimation = null;
}
if (!mAnimating && !mLocalAnimating) {
return false;
}
if (DEBUG_ANIM) Slog.v(
TAG, "Animation done in " + this + ": exiting=" + mExiting
+ ", reportedVisible="
+ (mAppToken != null ? mAppToken.reportedVisible : false));
mAnimating = false;
mLocalAnimating = false;
mAnimation = null;
mAnimLayer = mLayer;
if (mIsImWindow) {
mAnimLayer += mInputMethodAnimLayerAdjustment;
} else if (mIsWallpaper) {
mAnimLayer += mWallpaperAnimLayerAdjustment;
}
if (DEBUG_LAYERS) Slog.v(TAG, "Stepping win " + this
+ " anim layer: " + mAnimLayer);
mHasTransformation = false;
mHasLocalTransformation = false;
if (mPolicyVisibility != mPolicyVisibilityAfterAnim) {
if (DEBUG_VISIBILITY) {
Slog.v(TAG, "Policy visibility changing after anim in " + this + ": "
+ mPolicyVisibilityAfterAnim);
}
mPolicyVisibility = mPolicyVisibilityAfterAnim;
if (!mPolicyVisibility) {
if (mCurrentFocus == this) {
mFocusMayChange = true;
}
// Window is no longer visible -- make sure if we were waiting
// for it to be displayed before enabling the display, that
// we allow the display to be enabled now.
enableScreenIfNeededLocked();
}
}
mTransformation.clear();
if (mHasDrawn
&& mAttrs.type == WindowManager.LayoutParams.TYPE_APPLICATION_STARTING
&& mAppToken != null
&& mAppToken.firstWindowDrawn
&& mAppToken.startingData != null) {
if (DEBUG_STARTING_WINDOW) Slog.v(TAG, "Finish starting "
+ mToken + ": first real window done animating");
mFinishedStarting.add(mAppToken);
mH.sendEmptyMessage(H.FINISHED_STARTING);
}
finishExit();
if (mAppToken != null) {
mAppToken.updateReportedVisibilityLocked();
}
return false;
}
void finishExit() {
if (DEBUG_ANIM) Slog.v(
TAG, "finishExit in " + this
+ ": exiting=" + mExiting
+ " remove=" + mRemoveOnExit
+ " windowAnimating=" + isWindowAnimating());
final int N = mChildWindows.size();
for (int i=0; i<N; i++) {
((WindowState)mChildWindows.get(i)).finishExit();
}
if (!mExiting) {
return;
}
if (isWindowAnimating()) {
return;
}
if (localLOGV) Slog.v(
TAG, "Exit animation finished in " + this
+ ": remove=" + mRemoveOnExit);
if (mSurface != null) {
mDestroySurface.add(this);
mDestroying = true;
if (SHOW_TRANSACTIONS) logSurface(this, "HIDE (finishExit)", null);
mSurfaceShown = false;
try {
mSurface.hide();
} catch (RuntimeException e) {
Slog.w(TAG, "Error hiding surface in " + this, e);
}
mLastHidden = true;
for (int i=0; i<N; i++) {
mInputMonitor.windowIsBecomingInvisibleLw((WindowState)mChildWindows.get(i));
}
}
mExiting = false;
if (mRemoveOnExit) {
mPendingRemove.add(this);
mRemoveOnExit = false;
}
}
boolean isIdentityMatrix(float dsdx, float dtdx, float dsdy, float dtdy) {
if (dsdx < .99999f || dsdx > 1.00001f) return false;
if (dtdy < .99999f || dtdy > 1.00001f) return false;
if (dtdx < -.000001f || dtdx > .000001f) return false;
if (dsdy < -.000001f || dsdy > .000001f) return false;
return true;
}
void computeShownFrameLocked() {
final boolean selfTransformation = mHasLocalTransformation;
Transformation attachedTransformation =
(mAttachedWindow != null && mAttachedWindow.mHasLocalTransformation)
? mAttachedWindow.mTransformation : null;
Transformation appTransformation =
(mAppToken != null && mAppToken.hasTransformation)
? mAppToken.transformation : null;
// Wallpapers are animated based on the "real" window they
// are currently targeting.
if (mAttrs.type == TYPE_WALLPAPER && mLowerWallpaperTarget == null
&& mWallpaperTarget != null) {
if (mWallpaperTarget.mHasLocalTransformation &&
mWallpaperTarget.mAnimation != null &&
!mWallpaperTarget.mAnimation.getDetachWallpaper()) {
attachedTransformation = mWallpaperTarget.mTransformation;
if (DEBUG_WALLPAPER && attachedTransformation != null) {
Slog.v(TAG, "WP target attached xform: " + attachedTransformation);
}
}
if (mWallpaperTarget.mAppToken != null &&
mWallpaperTarget.mAppToken.hasTransformation &&
mWallpaperTarget.mAppToken.animation != null &&
!mWallpaperTarget.mAppToken.animation.getDetachWallpaper()) {
appTransformation = mWallpaperTarget.mAppToken.transformation;
if (DEBUG_WALLPAPER && appTransformation != null) {
Slog.v(TAG, "WP target app xform: " + appTransformation);
}
}
}
if (selfTransformation || attachedTransformation != null
|| appTransformation != null) {
// cache often used attributes locally
final Rect frame = mFrame;
final float tmpFloats[] = mTmpFloats;
final Matrix tmpMatrix = mTmpMatrix;
// Compute the desired transformation.
tmpMatrix.setTranslate(0, 0);
if (selfTransformation) {
tmpMatrix.postConcat(mTransformation.getMatrix());
}
tmpMatrix.postTranslate(frame.left, frame.top);
if (attachedTransformation != null) {
tmpMatrix.postConcat(attachedTransformation.getMatrix());
}
if (appTransformation != null) {
tmpMatrix.postConcat(appTransformation.getMatrix());
}
// "convert" it into SurfaceFlinger's format
// (a 2x2 matrix + an offset)
// Here we must not transform the position of the surface
// since it is already included in the transformation.
//Slog.i(TAG, "Transform: " + matrix);
tmpMatrix.getValues(tmpFloats);
mDsDx = tmpFloats[Matrix.MSCALE_X];
mDtDx = tmpFloats[Matrix.MSKEW_X];
mDsDy = tmpFloats[Matrix.MSKEW_Y];
mDtDy = tmpFloats[Matrix.MSCALE_Y];
int x = (int)tmpFloats[Matrix.MTRANS_X] + mXOffset;
int y = (int)tmpFloats[Matrix.MTRANS_Y] + mYOffset;
int w = frame.width();
int h = frame.height();
mShownFrame.set(x, y, x+w, y+h);
// Now set the alpha... but because our current hardware
// can't do alpha transformation on a non-opaque surface,
// turn it off if we are running an animation that is also
// transforming since it is more important to have that
// animation be smooth.
mShownAlpha = mAlpha;
if (!mLimitedAlphaCompositing
|| (!PixelFormat.formatHasAlpha(mAttrs.format)
|| (isIdentityMatrix(mDsDx, mDtDx, mDsDy, mDtDy)
&& x == frame.left && y == frame.top))) {
//Slog.i(TAG, "Applying alpha transform");
if (selfTransformation) {
mShownAlpha *= mTransformation.getAlpha();
}
if (attachedTransformation != null) {
mShownAlpha *= attachedTransformation.getAlpha();
}
if (appTransformation != null) {
mShownAlpha *= appTransformation.getAlpha();
}
} else {
//Slog.i(TAG, "Not applying alpha transform");
}
if (localLOGV) Slog.v(
TAG, "Continuing animation in " + this +
": " + mShownFrame +
", alpha=" + mTransformation.getAlpha());
return;
}
mShownFrame.set(mFrame);
if (mXOffset != 0 || mYOffset != 0) {
mShownFrame.offset(mXOffset, mYOffset);
}
mShownAlpha = mAlpha;
mDsDx = 1;
mDtDx = 0;
mDsDy = 0;
mDtDy = 1;
}
/**
* Is this window visible? It is not visible if there is no
* surface, or we are in the process of running an exit animation
* that will remove the surface, or its app token has been hidden.
*/
public boolean isVisibleLw() {
final AppWindowToken atoken = mAppToken;
return mSurface != null && mPolicyVisibility && !mAttachedHidden
&& (atoken == null || !atoken.hiddenRequested)
&& !mExiting && !mDestroying;
}
/**
* Like {@link #isVisibleLw}, but also counts a window that is currently
* "hidden" behind the keyguard as visible. This allows us to apply
* things like window flags that impact the keyguard.
* XXX I am starting to think we need to have ANOTHER visibility flag
* for this "hidden behind keyguard" state rather than overloading
* mPolicyVisibility. Ungh.
*/
public boolean isVisibleOrBehindKeyguardLw() {
final AppWindowToken atoken = mAppToken;
return mSurface != null && !mAttachedHidden
&& (atoken == null ? mPolicyVisibility : !atoken.hiddenRequested)
&& (mOrientationChanging || (!mDrawPending && !mCommitDrawPending))
&& !mExiting && !mDestroying;
}
/**
* Is this window visible, ignoring its app token? It is not visible
* if there is no surface, or we are in the process of running an exit animation
* that will remove the surface.
*/
public boolean isWinVisibleLw() {
final AppWindowToken atoken = mAppToken;
return mSurface != null && mPolicyVisibility && !mAttachedHidden
&& (atoken == null || !atoken.hiddenRequested || atoken.animating)
&& !mExiting && !mDestroying;
}
/**
* The same as isVisible(), but follows the current hidden state of
* the associated app token, not the pending requested hidden state.
*/
boolean isVisibleNow() {
return mSurface != null && mPolicyVisibility && !mAttachedHidden
&& !mRootToken.hidden && !mExiting && !mDestroying;
}
/**
* Same as isVisible(), but we also count it as visible between the
* call to IWindowSession.add() and the first relayout().
*/
boolean isVisibleOrAdding() {
final AppWindowToken atoken = mAppToken;
return ((mSurface != null && !mReportDestroySurface)
|| (!mRelayoutCalled && mViewVisibility == View.VISIBLE))
&& mPolicyVisibility && !mAttachedHidden
&& (atoken == null || !atoken.hiddenRequested)
&& !mExiting && !mDestroying;
}
/**
* Is this window currently on-screen? It is on-screen either if it
* is visible or it is currently running an animation before no longer
* being visible.
*/
boolean isOnScreen() {
final AppWindowToken atoken = mAppToken;
if (atoken != null) {
return mSurface != null && mPolicyVisibility && !mDestroying
&& ((!mAttachedHidden && !atoken.hiddenRequested)
|| mAnimation != null || atoken.animation != null);
} else {
return mSurface != null && mPolicyVisibility && !mDestroying
&& (!mAttachedHidden || mAnimation != null);
}
}
/**
* Like isOnScreen(), but we don't return true if the window is part
* of a transition that has not yet been started.
*/
boolean isReadyForDisplay() {
if (mRootToken.waitingToShow &&
mNextAppTransition != WindowManagerPolicy.TRANSIT_UNSET) {
return false;
}
final AppWindowToken atoken = mAppToken;
final boolean animating = atoken != null
? (atoken.animation != null) : false;
return mSurface != null && mPolicyVisibility && !mDestroying
&& ((!mAttachedHidden && mViewVisibility == View.VISIBLE
&& !mRootToken.hidden)
|| mAnimation != null || animating);
}
/** Is the window or its container currently animating? */
boolean isAnimating() {
final WindowState attached = mAttachedWindow;
final AppWindowToken atoken = mAppToken;
return mAnimation != null
|| (attached != null && attached.mAnimation != null)
|| (atoken != null &&
(atoken.animation != null
|| atoken.inPendingTransaction));
}
/** Is this window currently animating? */
boolean isWindowAnimating() {
return mAnimation != null;
}
/**
* Like isOnScreen, but returns false if the surface hasn't yet
* been drawn.
*/
public boolean isDisplayedLw() {
final AppWindowToken atoken = mAppToken;
return mSurface != null && mPolicyVisibility && !mDestroying
&& !mDrawPending && !mCommitDrawPending
&& ((!mAttachedHidden &&
(atoken == null || !atoken.hiddenRequested))
|| mAnimating);
}
/**
* Returns true if the window has a surface that it has drawn a
* complete UI in to. Note that this returns true if the orientation
* is changing even if the window hasn't redrawn because we don't want
* to stop things from executing during that time.
*/
public boolean isDrawnLw() {
final AppWindowToken atoken = mAppToken;
return mSurface != null && !mDestroying
&& (mOrientationChanging || (!mDrawPending && !mCommitDrawPending));
}
public boolean fillsScreenLw(int screenWidth, int screenHeight,
boolean shownFrame, boolean onlyOpaque) {
if (mSurface == null) {
return false;
}
if (mAppToken != null && !mAppToken.appFullscreen) {
return false;
}
if (onlyOpaque && mAttrs.format != PixelFormat.OPAQUE) {
return false;
}
final Rect frame = shownFrame ? mShownFrame : mFrame;
if ((mAttrs.flags & FLAG_COMPATIBLE_WINDOW) != 0) {
return frame.left <= mCompatibleScreenFrame.left &&
frame.top <= mCompatibleScreenFrame.top &&
frame.right >= mCompatibleScreenFrame.right &&
frame.bottom >= mCompatibleScreenFrame.bottom;
} else {
return frame.left <= 0 && frame.top <= 0
&& frame.right >= screenWidth
&& frame.bottom >= screenHeight;
}
}
/**
* Return true if the window is opaque and fully drawn. This indicates
* it may obscure windows behind it.
*/
boolean isOpaqueDrawn() {
return (mAttrs.format == PixelFormat.OPAQUE
|| mAttrs.type == TYPE_WALLPAPER)
&& mSurface != null && mAnimation == null
&& (mAppToken == null || mAppToken.animation == null)
&& !mDrawPending && !mCommitDrawPending;
}
boolean needsBackgroundFiller(int screenWidth, int screenHeight) {
return
// only if the application is requesting compatible window
(mAttrs.flags & FLAG_COMPATIBLE_WINDOW) != 0 &&
// only if it's visible
mHasDrawn && mViewVisibility == View.VISIBLE &&
// and only if the application fills the compatible screen
mFrame.left <= mCompatibleScreenFrame.left &&
mFrame.top <= mCompatibleScreenFrame.top &&
mFrame.right >= mCompatibleScreenFrame.right &&
mFrame.bottom >= mCompatibleScreenFrame.bottom &&
// and starting window do not need background filler
mAttrs.type != mAttrs.TYPE_APPLICATION_STARTING;
}
boolean isFullscreen(int screenWidth, int screenHeight) {
return mFrame.left <= 0 && mFrame.top <= 0 &&
mFrame.right >= screenWidth && mFrame.bottom >= screenHeight;
}
void removeLocked() {
if (mAttachedWindow != null) {
mAttachedWindow.mChildWindows.remove(this);
}
destroySurfaceLocked();
mSession.windowRemovedLocked();
try {
mClient.asBinder().unlinkToDeath(mDeathRecipient, 0);
} catch (RuntimeException e) {
// Ignore if it has already been removed (usually because
// we are doing this as part of processing a death note.)
}
if (mInputChannel != null) {
mInputManager.unregisterInputChannel(mInputChannel);
mInputChannel.dispose();
mInputChannel = null;
}
}
private class DeathRecipient implements IBinder.DeathRecipient {
public void binderDied() {
try {
synchronized(mWindowMap) {
WindowState win = windowForClientLocked(mSession, mClient, false);
Slog.i(TAG, "WIN DEATH: " + win);
if (win != null) {
removeWindowLocked(mSession, win);
}
}
} catch (IllegalArgumentException ex) {
// This will happen if the window has already been
// removed.
}
}
}
/** Returns true if this window desires key events. */
public final boolean canReceiveKeys() {
return isVisibleOrAdding()
&& (mViewVisibility == View.VISIBLE)
&& ((mAttrs.flags & WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE) == 0);
}
public boolean hasDrawnLw() {
return mHasDrawn;
}
public boolean showLw(boolean doAnimation) {
return showLw(doAnimation, true);
}
boolean showLw(boolean doAnimation, boolean requestAnim) {
if (mPolicyVisibility && mPolicyVisibilityAfterAnim) {
return false;
}
if (DEBUG_VISIBILITY) Slog.v(TAG, "Policy visibility true: " + this);
if (doAnimation) {
if (DEBUG_VISIBILITY) Slog.v(TAG, "doAnimation: mPolicyVisibility="
+ mPolicyVisibility + " mAnimation=" + mAnimation);
if (mDisplayFrozen || !mPolicy.isScreenOn()) {
doAnimation = false;
} else if (mPolicyVisibility && mAnimation == null) {
// Check for the case where we are currently visible and
// not animating; we do not want to do animation at such a
// point to become visible when we already are.
doAnimation = false;
}
}
mPolicyVisibility = true;
mPolicyVisibilityAfterAnim = true;
if (doAnimation) {
applyAnimationLocked(this, WindowManagerPolicy.TRANSIT_ENTER, true);
}
if (requestAnim) {
requestAnimationLocked(0);
}
return true;
}
public boolean hideLw(boolean doAnimation) {
return hideLw(doAnimation, true);
}
boolean hideLw(boolean doAnimation, boolean requestAnim) {
if (doAnimation) {
if (mDisplayFrozen || !mPolicy.isScreenOn()) {
doAnimation = false;
}
}
boolean current = doAnimation ? mPolicyVisibilityAfterAnim
: mPolicyVisibility;
if (!current) {
return false;
}
if (doAnimation) {
applyAnimationLocked(this, WindowManagerPolicy.TRANSIT_EXIT, false);
if (mAnimation == null) {
doAnimation = false;
}
}
if (doAnimation) {
mPolicyVisibilityAfterAnim = false;
} else {
if (DEBUG_VISIBILITY) Slog.v(TAG, "Policy visibility false: " + this);
mPolicyVisibilityAfterAnim = false;
mPolicyVisibility = false;
// Window is no longer visible -- make sure if we were waiting
// for it to be displayed before enabling the display, that
// we allow the display to be enabled now.
enableScreenIfNeededLocked();
if (mCurrentFocus == this) {
mFocusMayChange = true;
}
}
if (requestAnim) {
requestAnimationLocked(0);
}
return true;
}
void dump(PrintWriter pw, String prefix) {
pw.print(prefix); pw.print("mSession="); pw.print(mSession);
pw.print(" mClient="); pw.println(mClient.asBinder());
pw.print(prefix); pw.print("mAttrs="); pw.println(mAttrs);
if (mAttachedWindow != null || mLayoutAttached) {
pw.print(prefix); pw.print("mAttachedWindow="); pw.print(mAttachedWindow);
pw.print(" mLayoutAttached="); pw.println(mLayoutAttached);
}
if (mIsImWindow || mIsWallpaper || mIsFloatingLayer) {
pw.print(prefix); pw.print("mIsImWindow="); pw.print(mIsImWindow);
pw.print(" mIsWallpaper="); pw.print(mIsWallpaper);
pw.print(" mIsFloatingLayer="); pw.print(mIsFloatingLayer);
pw.print(" mWallpaperVisible="); pw.println(mWallpaperVisible);
}
pw.print(prefix); pw.print("mBaseLayer="); pw.print(mBaseLayer);
pw.print(" mSubLayer="); pw.print(mSubLayer);
pw.print(" mAnimLayer="); pw.print(mLayer); pw.print("+");
pw.print((mTargetAppToken != null ? mTargetAppToken.animLayerAdjustment
: (mAppToken != null ? mAppToken.animLayerAdjustment : 0)));
pw.print("="); pw.print(mAnimLayer);
pw.print(" mLastLayer="); pw.println(mLastLayer);
if (mSurface != null) {
pw.print(prefix); pw.print("mSurface="); pw.println(mSurface);
pw.print(prefix); pw.print("Surface: shown="); pw.print(mSurfaceShown);
pw.print(" layer="); pw.print(mSurfaceLayer);
pw.print(" alpha="); pw.print(mSurfaceAlpha);
pw.print(" rect=("); pw.print(mSurfaceX);
pw.print(","); pw.print(mSurfaceY);
pw.print(") "); pw.print(mSurfaceW);
pw.print(" x "); pw.println(mSurfaceH);
}
pw.print(prefix); pw.print("mToken="); pw.println(mToken);
pw.print(prefix); pw.print("mRootToken="); pw.println(mRootToken);
if (mAppToken != null) {
pw.print(prefix); pw.print("mAppToken="); pw.println(mAppToken);
}
if (mTargetAppToken != null) {
pw.print(prefix); pw.print("mTargetAppToken="); pw.println(mTargetAppToken);
}
pw.print(prefix); pw.print("mViewVisibility=0x");
pw.print(Integer.toHexString(mViewVisibility));
pw.print(" mLastHidden="); pw.print(mLastHidden);
pw.print(" mHaveFrame="); pw.print(mHaveFrame);
pw.print(" mObscured="); pw.println(mObscured);
if (!mPolicyVisibility || !mPolicyVisibilityAfterAnim || mAttachedHidden) {
pw.print(prefix); pw.print("mPolicyVisibility=");
pw.print(mPolicyVisibility);
pw.print(" mPolicyVisibilityAfterAnim=");
pw.print(mPolicyVisibilityAfterAnim);
pw.print(" mAttachedHidden="); pw.println(mAttachedHidden);
}
if (!mRelayoutCalled) {
pw.print(prefix); pw.print("mRelayoutCalled="); pw.println(mRelayoutCalled);
}
pw.print(prefix); pw.print("Requested w="); pw.print(mRequestedWidth);
pw.print(" h="); pw.print(mRequestedHeight);
pw.print(" mLayoutSeq="); pw.println(mLayoutSeq);
if (mXOffset != 0 || mYOffset != 0) {
pw.print(prefix); pw.print("Offsets x="); pw.print(mXOffset);
pw.print(" y="); pw.println(mYOffset);
}
pw.print(prefix); pw.print("mGivenContentInsets=");
mGivenContentInsets.printShortString(pw);
pw.print(" mGivenVisibleInsets=");
mGivenVisibleInsets.printShortString(pw);
pw.println();
if (mTouchableInsets != 0 || mGivenInsetsPending) {
pw.print(prefix); pw.print("mTouchableInsets="); pw.print(mTouchableInsets);
pw.print(" mGivenInsetsPending="); pw.println(mGivenInsetsPending);
}
pw.print(prefix); pw.print("mConfiguration="); pw.println(mConfiguration);
pw.print(prefix); pw.print("mShownFrame=");
mShownFrame.printShortString(pw);
pw.print(" last="); mLastShownFrame.printShortString(pw);
pw.println();
pw.print(prefix); pw.print("mFrame="); mFrame.printShortString(pw);
pw.print(" last="); mLastFrame.printShortString(pw);
pw.println();
pw.print(prefix); pw.print("mContainingFrame=");
mContainingFrame.printShortString(pw);
pw.print(" mDisplayFrame=");
mDisplayFrame.printShortString(pw);
pw.println();
pw.print(prefix); pw.print("mContentFrame="); mContentFrame.printShortString(pw);
pw.print(" mVisibleFrame="); mVisibleFrame.printShortString(pw);
pw.println();
pw.print(prefix); pw.print("mContentInsets="); mContentInsets.printShortString(pw);
pw.print(" last="); mLastContentInsets.printShortString(pw);
pw.print(" mVisibleInsets="); mVisibleInsets.printShortString(pw);
pw.print(" last="); mLastVisibleInsets.printShortString(pw);
pw.println();
if (mShownAlpha != 1 || mAlpha != 1 || mLastAlpha != 1) {
pw.print(prefix); pw.print("mShownAlpha="); pw.print(mShownAlpha);
pw.print(" mAlpha="); pw.print(mAlpha);
pw.print(" mLastAlpha="); pw.println(mLastAlpha);
}
if (mAnimating || mLocalAnimating || mAnimationIsEntrance
|| mAnimation != null) {
pw.print(prefix); pw.print("mAnimating="); pw.print(mAnimating);
pw.print(" mLocalAnimating="); pw.print(mLocalAnimating);
pw.print(" mAnimationIsEntrance="); pw.print(mAnimationIsEntrance);
pw.print(" mAnimation="); pw.println(mAnimation);
}
if (mHasTransformation || mHasLocalTransformation) {
pw.print(prefix); pw.print("XForm: has=");
pw.print(mHasTransformation);
pw.print(" hasLocal="); pw.print(mHasLocalTransformation);
pw.print(" "); mTransformation.printShortString(pw);
pw.println();
}
pw.print(prefix); pw.print("mDrawPending="); pw.print(mDrawPending);
pw.print(" mCommitDrawPending="); pw.print(mCommitDrawPending);
pw.print(" mReadyToShow="); pw.print(mReadyToShow);
pw.print(" mHasDrawn="); pw.println(mHasDrawn);
if (mExiting || mRemoveOnExit || mDestroying || mRemoved) {
pw.print(prefix); pw.print("mExiting="); pw.print(mExiting);
pw.print(" mRemoveOnExit="); pw.print(mRemoveOnExit);
pw.print(" mDestroying="); pw.print(mDestroying);
pw.print(" mRemoved="); pw.println(mRemoved);
}
if (mOrientationChanging || mAppFreezing || mTurnOnScreen) {
pw.print(prefix); pw.print("mOrientationChanging=");
pw.print(mOrientationChanging);
pw.print(" mAppFreezing="); pw.print(mAppFreezing);
pw.print(" mTurnOnScreen="); pw.println(mTurnOnScreen);
}
if (mHScale != 1 || mVScale != 1) {
pw.print(prefix); pw.print("mHScale="); pw.print(mHScale);
pw.print(" mVScale="); pw.println(mVScale);
}
if (mWallpaperX != -1 || mWallpaperY != -1) {
pw.print(prefix); pw.print("mWallpaperX="); pw.print(mWallpaperX);
pw.print(" mWallpaperY="); pw.println(mWallpaperY);
}
if (mWallpaperXStep != -1 || mWallpaperYStep != -1) {
pw.print(prefix); pw.print("mWallpaperXStep="); pw.print(mWallpaperXStep);
pw.print(" mWallpaperYStep="); pw.println(mWallpaperYStep);
}
}
String makeInputChannelName() {
return Integer.toHexString(System.identityHashCode(this))
+ " " + mAttrs.getTitle();
}
@Override
public String toString() {
return "Window{"
+ Integer.toHexString(System.identityHashCode(this))
+ " " + mAttrs.getTitle() + " paused=" + mToken.paused + "}";
}
}
// -------------------------------------------------------------
// Window Token State
// -------------------------------------------------------------
class WindowToken {
// The actual token.
final IBinder token;
// The type of window this token is for, as per WindowManager.LayoutParams.
final int windowType;
// Set if this token was explicitly added by a client, so should
// not be removed when all windows are removed.
final boolean explicit;
// For printing.
String stringName;
// If this is an AppWindowToken, this is non-null.
AppWindowToken appWindowToken;
// All of the windows associated with this token.
final ArrayList<WindowState> windows = new ArrayList<WindowState>();
// Is key dispatching paused for this token?
boolean paused = false;
// Should this token's windows be hidden?
boolean hidden;
// Temporary for finding which tokens no longer have visible windows.
boolean hasVisible;
// Set to true when this token is in a pending transaction where it
// will be shown.
boolean waitingToShow;
// Set to true when this token is in a pending transaction where it
// will be hidden.
boolean waitingToHide;
// Set to true when this token is in a pending transaction where its
// windows will be put to the bottom of the list.
boolean sendingToBottom;
// Set to true when this token is in a pending transaction where its
// windows will be put to the top of the list.
boolean sendingToTop;
WindowToken(IBinder _token, int type, boolean _explicit) {
token = _token;
windowType = type;
explicit = _explicit;
}
void dump(PrintWriter pw, String prefix) {
pw.print(prefix); pw.print("token="); pw.println(token);
pw.print(prefix); pw.print("windows="); pw.println(windows);
pw.print(prefix); pw.print("windowType="); pw.print(windowType);
pw.print(" hidden="); pw.print(hidden);
pw.print(" hasVisible="); pw.println(hasVisible);
if (waitingToShow || waitingToHide || sendingToBottom || sendingToTop) {
pw.print(prefix); pw.print("waitingToShow="); pw.print(waitingToShow);
pw.print(" waitingToHide="); pw.print(waitingToHide);
pw.print(" sendingToBottom="); pw.print(sendingToBottom);
pw.print(" sendingToTop="); pw.println(sendingToTop);
}
}
@Override
public String toString() {
if (stringName == null) {
StringBuilder sb = new StringBuilder();
sb.append("WindowToken{");
sb.append(Integer.toHexString(System.identityHashCode(this)));
sb.append(" token="); sb.append(token); sb.append('}');
stringName = sb.toString();
}
return stringName;
}
};
class AppWindowToken extends WindowToken {
// Non-null only for application tokens.
final IApplicationToken appToken;
// All of the windows and child windows that are included in this
// application token. Note this list is NOT sorted!
final ArrayList<WindowState> allAppWindows = new ArrayList<WindowState>();
int groupId = -1;
boolean appFullscreen;
int requestedOrientation = ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED;
// The input dispatching timeout for this application token in nanoseconds.
long inputDispatchingTimeoutNanos;
// These are used for determining when all windows associated with
// an activity have been drawn, so they can be made visible together
// at the same time.
int lastTransactionSequence = mTransactionSequence-1;
int numInterestingWindows;
int numDrawnWindows;
boolean inPendingTransaction;
boolean allDrawn;
// Is this token going to be hidden in a little while? If so, it
// won't be taken into account for setting the screen orientation.
boolean willBeHidden;
// Is this window's surface needed? This is almost like hidden, except
// it will sometimes be true a little earlier: when the token has
// been shown, but is still waiting for its app transition to execute
// before making its windows shown.
boolean hiddenRequested;
// Have we told the window clients to hide themselves?
boolean clientHidden;
// Last visibility state we reported to the app token.
boolean reportedVisible;
// Set to true when the token has been removed from the window mgr.
boolean removed;
// Have we been asked to have this token keep the screen frozen?
boolean freezingScreen;
boolean animating;
Animation animation;
boolean hasTransformation;
final Transformation transformation = new Transformation();
// Offset to the window of all layers in the token, for use by
// AppWindowToken animations.
int animLayerAdjustment;
// Information about an application starting window if displayed.
StartingData startingData;
WindowState startingWindow;
View startingView;
boolean startingDisplayed;
boolean startingMoved;
boolean firstWindowDrawn;
AppWindowToken(IApplicationToken _token) {
super(_token.asBinder(),
WindowManager.LayoutParams.TYPE_APPLICATION, true);
appWindowToken = this;
appToken = _token;
}
public void setAnimation(Animation anim) {
if (localLOGV) Slog.v(
TAG, "Setting animation in " + this + ": " + anim);
animation = anim;
animating = false;
anim.restrictDuration(MAX_ANIMATION_DURATION);
anim.scaleCurrentDuration(mTransitionAnimationScale);
int zorder = anim.getZAdjustment();
int adj = 0;
if (zorder == Animation.ZORDER_TOP) {
adj = TYPE_LAYER_OFFSET;
} else if (zorder == Animation.ZORDER_BOTTOM) {
adj = -TYPE_LAYER_OFFSET;
}
if (animLayerAdjustment != adj) {
animLayerAdjustment = adj;
updateLayers();
}
}
public void setDummyAnimation() {
if (animation == null) {
if (localLOGV) Slog.v(
TAG, "Setting dummy animation in " + this);
animation = sDummyAnimation;
}
}
public void clearAnimation() {
if (animation != null) {
animation = null;
animating = true;
}
}
void updateLayers() {
final int N = allAppWindows.size();
final int adj = animLayerAdjustment;
for (int i=0; i<N; i++) {
WindowState w = allAppWindows.get(i);
w.mAnimLayer = w.mLayer + adj;
if (DEBUG_LAYERS) Slog.v(TAG, "Updating layer " + w + ": "
+ w.mAnimLayer);
if (w == mInputMethodTarget) {
setInputMethodAnimLayerAdjustment(adj);
}
if (w == mWallpaperTarget && mLowerWallpaperTarget == null) {
setWallpaperAnimLayerAdjustmentLocked(adj);
}
}
}
void sendAppVisibilityToClients() {
final int N = allAppWindows.size();
for (int i=0; i<N; i++) {
WindowState win = allAppWindows.get(i);
if (win == startingWindow && clientHidden) {
// Don't hide the starting window.
continue;
}
try {
if (DEBUG_VISIBILITY) Slog.v(TAG,
"Setting visibility of " + win + ": " + (!clientHidden));
win.mClient.dispatchAppVisibility(!clientHidden);
} catch (RemoteException e) {
}
}
}
void showAllWindowsLocked() {
final int NW = allAppWindows.size();
for (int i=0; i<NW; i++) {
WindowState w = allAppWindows.get(i);
if (DEBUG_VISIBILITY) Slog.v(TAG,
"performing show on: " + w);
w.performShowLocked();
}
}
// This must be called while inside a transaction.
boolean stepAnimationLocked(long currentTime, int dw, int dh) {
if (!mDisplayFrozen && mPolicy.isScreenOn()) {
// We will run animations as long as the display isn't frozen.
if (animation == sDummyAnimation) {
// This guy is going to animate, but not yet. For now count
// it as not animating for purposes of scheduling transactions;
// when it is really time to animate, this will be set to
// a real animation and the next call will execute normally.
return false;
}
if ((allDrawn || animating || startingDisplayed) && animation != null) {
if (!animating) {
if (DEBUG_ANIM) Slog.v(
TAG, "Starting animation in " + this +
" @ " + currentTime + ": dw=" + dw + " dh=" + dh
+ " scale=" + mTransitionAnimationScale
+ " allDrawn=" + allDrawn + " animating=" + animating);
animation.initialize(dw, dh, dw, dh);
animation.setStartTime(currentTime);
animating = true;
}
transformation.clear();
final boolean more = animation.getTransformation(
currentTime, transformation);
if (DEBUG_ANIM) Slog.v(
TAG, "Stepped animation in " + this +
": more=" + more + ", xform=" + transformation);
if (more) {
// we're done!
hasTransformation = true;
return true;
}
if (DEBUG_ANIM) Slog.v(
TAG, "Finished animation in " + this +
" @ " + currentTime);
animation = null;
}
} else if (animation != null) {
// If the display is frozen, and there is a pending animation,
// clear it and make sure we run the cleanup code.
animating = true;
animation = null;
}
hasTransformation = false;
if (!animating) {
return false;
}
clearAnimation();
animating = false;
if (mInputMethodTarget != null && mInputMethodTarget.mAppToken == this) {
moveInputMethodWindowsIfNeededLocked(true);
}
if (DEBUG_ANIM) Slog.v(
TAG, "Animation done in " + this
+ ": reportedVisible=" + reportedVisible);
transformation.clear();
if (animLayerAdjustment != 0) {
animLayerAdjustment = 0;
updateLayers();
}
final int N = windows.size();
for (int i=0; i<N; i++) {
((WindowState)windows.get(i)).finishExit();
}
updateReportedVisibilityLocked();
return false;
}
void updateReportedVisibilityLocked() {
if (appToken == null) {
return;
}
int numInteresting = 0;
int numVisible = 0;
boolean nowGone = true;
if (DEBUG_VISIBILITY) Slog.v(TAG, "Update reported visibility: " + this);
final int N = allAppWindows.size();
for (int i=0; i<N; i++) {
WindowState win = allAppWindows.get(i);
if (win == startingWindow || win.mAppFreezing
|| win.mViewVisibility != View.VISIBLE
|| win.mAttrs.type == TYPE_APPLICATION_STARTING) {
continue;
}
if (DEBUG_VISIBILITY) {
Slog.v(TAG, "Win " + win + ": isDrawn="
+ win.isDrawnLw()
+ ", isAnimating=" + win.isAnimating());
if (!win.isDrawnLw()) {
Slog.v(TAG, "Not displayed: s=" + win.mSurface
+ " pv=" + win.mPolicyVisibility
+ " dp=" + win.mDrawPending
+ " cdp=" + win.mCommitDrawPending
+ " ah=" + win.mAttachedHidden
+ " th="
+ (win.mAppToken != null
? win.mAppToken.hiddenRequested : false)
+ " a=" + win.mAnimating);
}
}
numInteresting++;
if (win.isDrawnLw()) {
if (!win.isAnimating()) {
numVisible++;
}
nowGone = false;
} else if (win.isAnimating()) {
nowGone = false;
}
}
boolean nowVisible = numInteresting > 0 && numVisible >= numInteresting;
if (DEBUG_VISIBILITY) Slog.v(TAG, "VIS " + this + ": interesting="
+ numInteresting + " visible=" + numVisible);
if (nowVisible != reportedVisible) {
if (DEBUG_VISIBILITY) Slog.v(
TAG, "Visibility changed in " + this
+ ": vis=" + nowVisible);
reportedVisible = nowVisible;
Message m = mH.obtainMessage(
H.REPORT_APPLICATION_TOKEN_WINDOWS,
nowVisible ? 1 : 0,
nowGone ? 1 : 0,
this);
mH.sendMessage(m);
}
}
WindowState findMainWindow() {
int j = windows.size();
while (j > 0) {
j--;
WindowState win = windows.get(j);
if (win.mAttrs.type == WindowManager.LayoutParams.TYPE_BASE_APPLICATION
|| win.mAttrs.type == WindowManager.LayoutParams.TYPE_APPLICATION_STARTING) {
return win;
}
}
return null;
}
void dump(PrintWriter pw, String prefix) {
super.dump(pw, prefix);
if (appToken != null) {
pw.print(prefix); pw.println("app=true");
}
if (allAppWindows.size() > 0) {
pw.print(prefix); pw.print("allAppWindows="); pw.println(allAppWindows);
}
pw.print(prefix); pw.print("groupId="); pw.print(groupId);
pw.print(" appFullscreen="); pw.print(appFullscreen);
pw.print(" requestedOrientation="); pw.println(requestedOrientation);
pw.print(prefix); pw.print("hiddenRequested="); pw.print(hiddenRequested);
pw.print(" clientHidden="); pw.print(clientHidden);
pw.print(" willBeHidden="); pw.print(willBeHidden);
pw.print(" reportedVisible="); pw.println(reportedVisible);
if (paused || freezingScreen) {
pw.print(prefix); pw.print("paused="); pw.print(paused);
pw.print(" freezingScreen="); pw.println(freezingScreen);
}
if (numInterestingWindows != 0 || numDrawnWindows != 0
|| inPendingTransaction || allDrawn) {
pw.print(prefix); pw.print("numInterestingWindows=");
pw.print(numInterestingWindows);
pw.print(" numDrawnWindows="); pw.print(numDrawnWindows);
pw.print(" inPendingTransaction="); pw.print(inPendingTransaction);
pw.print(" allDrawn="); pw.println(allDrawn);
}
if (animating || animation != null) {
pw.print(prefix); pw.print("animating="); pw.print(animating);
pw.print(" animation="); pw.println(animation);
}
if (animLayerAdjustment != 0) {
pw.print(prefix); pw.print("animLayerAdjustment="); pw.println(animLayerAdjustment);
}
if (hasTransformation) {
pw.print(prefix); pw.print("hasTransformation="); pw.print(hasTransformation);
pw.print(" transformation="); transformation.printShortString(pw);
pw.println();
}
if (startingData != null || removed || firstWindowDrawn) {
pw.print(prefix); pw.print("startingData="); pw.print(startingData);
pw.print(" removed="); pw.print(removed);
pw.print(" firstWindowDrawn="); pw.println(firstWindowDrawn);
}
if (startingWindow != null || startingView != null
|| startingDisplayed || startingMoved) {
pw.print(prefix); pw.print("startingWindow="); pw.print(startingWindow);
pw.print(" startingView="); pw.print(startingView);
pw.print(" startingDisplayed="); pw.print(startingDisplayed);
pw.print(" startingMoved"); pw.println(startingMoved);
}
}
@Override
public String toString() {
if (stringName == null) {
StringBuilder sb = new StringBuilder();
sb.append("AppWindowToken{");
sb.append(Integer.toHexString(System.identityHashCode(this)));
sb.append(" token="); sb.append(token); sb.append('}');
stringName = sb.toString();
}
return stringName;
}
}
// -------------------------------------------------------------
// DummyAnimation
// -------------------------------------------------------------
// This is an animation that does nothing: it just immediately finishes
// itself every time it is called. It is used as a stub animation in cases
// where we want to synchronize multiple things that may be animating.
static final class DummyAnimation extends Animation {
public boolean getTransformation(long currentTime, Transformation outTransformation) {
return false;
}
}
static final Animation sDummyAnimation = new DummyAnimation();
// -------------------------------------------------------------
// Async Handler
// -------------------------------------------------------------
static final class StartingData {
final String pkg;
final int theme;
final CharSequence nonLocalizedLabel;
final int labelRes;
final int icon;
StartingData(String _pkg, int _theme, CharSequence _nonLocalizedLabel,
int _labelRes, int _icon) {
pkg = _pkg;
theme = _theme;
nonLocalizedLabel = _nonLocalizedLabel;
labelRes = _labelRes;
icon = _icon;
}
}
private final class H extends Handler {
public static final int REPORT_FOCUS_CHANGE = 2;
public static final int REPORT_LOSING_FOCUS = 3;
public static final int ANIMATE = 4;
public static final int ADD_STARTING = 5;
public static final int REMOVE_STARTING = 6;
public static final int FINISHED_STARTING = 7;
public static final int REPORT_APPLICATION_TOKEN_WINDOWS = 8;
public static final int WINDOW_FREEZE_TIMEOUT = 11;
public static final int HOLD_SCREEN_CHANGED = 12;
public static final int APP_TRANSITION_TIMEOUT = 13;
public static final int PERSIST_ANIMATION_SCALE = 14;
public static final int FORCE_GC = 15;
public static final int ENABLE_SCREEN = 16;
public static final int APP_FREEZE_TIMEOUT = 17;
public static final int SEND_NEW_CONFIGURATION = 18;
private Session mLastReportedHold;
public H() {
}
@Override
public void handleMessage(Message msg) {
switch (msg.what) {
case REPORT_FOCUS_CHANGE: {
WindowState lastFocus;
WindowState newFocus;
synchronized(mWindowMap) {
lastFocus = mLastFocus;
newFocus = mCurrentFocus;
if (lastFocus == newFocus) {
// Focus is not changing, so nothing to do.
return;
}
mLastFocus = newFocus;
//Slog.i(TAG, "Focus moving from " + lastFocus
// + " to " + newFocus);
if (newFocus != null && lastFocus != null
&& !newFocus.isDisplayedLw()) {
//Slog.i(TAG, "Delaying loss of focus...");
mLosingFocus.add(lastFocus);
lastFocus = null;
}
}
if (lastFocus != newFocus) {
//System.out.println("Changing focus from " + lastFocus
// + " to " + newFocus);
if (newFocus != null) {
try {
//Slog.i(TAG, "Gaining focus: " + newFocus);
newFocus.mClient.windowFocusChanged(true, mInTouchMode);
} catch (RemoteException e) {
// Ignore if process has died.
}
}
if (lastFocus != null) {
try {
//Slog.i(TAG, "Losing focus: " + lastFocus);
lastFocus.mClient.windowFocusChanged(false, mInTouchMode);
} catch (RemoteException e) {
// Ignore if process has died.
}
}
}
} break;
case REPORT_LOSING_FOCUS: {
ArrayList<WindowState> losers;
synchronized(mWindowMap) {
losers = mLosingFocus;
mLosingFocus = new ArrayList<WindowState>();
}
final int N = losers.size();
for (int i=0; i<N; i++) {
try {
//Slog.i(TAG, "Losing delayed focus: " + losers.get(i));
losers.get(i).mClient.windowFocusChanged(false, mInTouchMode);
} catch (RemoteException e) {
// Ignore if process has died.
}
}
} break;
case ANIMATE: {
synchronized(mWindowMap) {
mAnimationPending = false;
performLayoutAndPlaceSurfacesLocked();
}
} break;
case ADD_STARTING: {
final AppWindowToken wtoken = (AppWindowToken)msg.obj;
final StartingData sd = wtoken.startingData;
if (sd == null) {
// Animation has been canceled... do nothing.
return;
}
if (DEBUG_STARTING_WINDOW) Slog.v(TAG, "Add starting "
+ wtoken + ": pkg=" + sd.pkg);
View view = null;
try {
view = mPolicy.addStartingWindow(
wtoken.token, sd.pkg,
sd.theme, sd.nonLocalizedLabel, sd.labelRes,
sd.icon);
} catch (Exception e) {
Slog.w(TAG, "Exception when adding starting window", e);
}
if (view != null) {
boolean abort = false;
synchronized(mWindowMap) {
if (wtoken.removed || wtoken.startingData == null) {
// If the window was successfully added, then
// we need to remove it.
if (wtoken.startingWindow != null) {
if (DEBUG_STARTING_WINDOW) Slog.v(TAG,
"Aborted starting " + wtoken
+ ": removed=" + wtoken.removed
+ " startingData=" + wtoken.startingData);
wtoken.startingWindow = null;
wtoken.startingData = null;
abort = true;
}
} else {
wtoken.startingView = view;
}
if (DEBUG_STARTING_WINDOW && !abort) Slog.v(TAG,
"Added starting " + wtoken
+ ": startingWindow="
+ wtoken.startingWindow + " startingView="
+ wtoken.startingView);
}
if (abort) {
try {
mPolicy.removeStartingWindow(wtoken.token, view);
} catch (Exception e) {
Slog.w(TAG, "Exception when removing starting window", e);
}
}
}
} break;
case REMOVE_STARTING: {
final AppWindowToken wtoken = (AppWindowToken)msg.obj;
IBinder token = null;
View view = null;
synchronized (mWindowMap) {
if (DEBUG_STARTING_WINDOW) Slog.v(TAG, "Remove starting "
+ wtoken + ": startingWindow="
+ wtoken.startingWindow + " startingView="
+ wtoken.startingView);
if (wtoken.startingWindow != null) {
view = wtoken.startingView;
token = wtoken.token;
wtoken.startingData = null;
wtoken.startingView = null;
wtoken.startingWindow = null;
}
}
if (view != null) {
try {
mPolicy.removeStartingWindow(token, view);
} catch (Exception e) {
Slog.w(TAG, "Exception when removing starting window", e);
}
}
} break;
case FINISHED_STARTING: {
IBinder token = null;
View view = null;
while (true) {
synchronized (mWindowMap) {
final int N = mFinishedStarting.size();
if (N <= 0) {
break;
}
AppWindowToken wtoken = mFinishedStarting.remove(N-1);
if (DEBUG_STARTING_WINDOW) Slog.v(TAG,
"Finished starting " + wtoken
+ ": startingWindow=" + wtoken.startingWindow
+ " startingView=" + wtoken.startingView);
if (wtoken.startingWindow == null) {
continue;
}
view = wtoken.startingView;
token = wtoken.token;
wtoken.startingData = null;
wtoken.startingView = null;
wtoken.startingWindow = null;
}
try {
mPolicy.removeStartingWindow(token, view);
} catch (Exception e) {
Slog.w(TAG, "Exception when removing starting window", e);
}
}
} break;
case REPORT_APPLICATION_TOKEN_WINDOWS: {
final AppWindowToken wtoken = (AppWindowToken)msg.obj;
boolean nowVisible = msg.arg1 != 0;
boolean nowGone = msg.arg2 != 0;
try {
if (DEBUG_VISIBILITY) Slog.v(
TAG, "Reporting visible in " + wtoken
+ " visible=" + nowVisible
+ " gone=" + nowGone);
if (nowVisible) {
wtoken.appToken.windowsVisible();
} else {
wtoken.appToken.windowsGone();
}
} catch (RemoteException ex) {
}
} break;
case WINDOW_FREEZE_TIMEOUT: {
synchronized (mWindowMap) {
Slog.w(TAG, "Window freeze timeout expired.");
int i = mWindows.size();
while (i > 0) {
i--;
WindowState w = (WindowState)mWindows.get(i);
if (w.mOrientationChanging) {
w.mOrientationChanging = false;
Slog.w(TAG, "Force clearing orientation change: " + w);
}
}
performLayoutAndPlaceSurfacesLocked();
}
break;
}
case HOLD_SCREEN_CHANGED: {
Session oldHold;
Session newHold;
synchronized (mWindowMap) {
oldHold = mLastReportedHold;
newHold = (Session)msg.obj;
mLastReportedHold = newHold;
}
if (oldHold != newHold) {
try {
if (oldHold != null) {
mBatteryStats.noteStopWakelock(oldHold.mUid,
"window",
BatteryStats.WAKE_TYPE_WINDOW);
}
if (newHold != null) {
mBatteryStats.noteStartWakelock(newHold.mUid,
"window",
BatteryStats.WAKE_TYPE_WINDOW);
}
} catch (RemoteException e) {
}
}
break;
}
case APP_TRANSITION_TIMEOUT: {
synchronized (mWindowMap) {
if (mNextAppTransition != WindowManagerPolicy.TRANSIT_UNSET) {
if (DEBUG_APP_TRANSITIONS) Slog.v(TAG,
"*** APP TRANSITION TIMEOUT");
mAppTransitionReady = true;
mAppTransitionTimeout = true;
performLayoutAndPlaceSurfacesLocked();
}
}
break;
}
case PERSIST_ANIMATION_SCALE: {
Settings.System.putFloat(mContext.getContentResolver(),
Settings.System.WINDOW_ANIMATION_SCALE, mWindowAnimationScale);
Settings.System.putFloat(mContext.getContentResolver(),
Settings.System.TRANSITION_ANIMATION_SCALE, mTransitionAnimationScale);
break;
}
case FORCE_GC: {
synchronized(mWindowMap) {
if (mAnimationPending) {
// If we are animating, don't do the gc now but
// delay a bit so we don't interrupt the animation.
mH.sendMessageDelayed(mH.obtainMessage(H.FORCE_GC),
2000);
return;
}
// If we are currently rotating the display, it will
// schedule a new message when done.
if (mDisplayFrozen) {
return;
}
mFreezeGcPending = 0;
}
Runtime.getRuntime().gc();
break;
}
case ENABLE_SCREEN: {
performEnableScreen();
break;
}
case APP_FREEZE_TIMEOUT: {
synchronized (mWindowMap) {
Slog.w(TAG, "App freeze timeout expired.");
int i = mAppTokens.size();
while (i > 0) {
i--;
AppWindowToken tok = mAppTokens.get(i);
if (tok.freezingScreen) {
Slog.w(TAG, "Force clearing freeze: " + tok);
unsetAppFreezingScreenLocked(tok, true, true);
}
}
}
break;
}
case SEND_NEW_CONFIGURATION: {
removeMessages(SEND_NEW_CONFIGURATION);
sendNewConfiguration();
break;
}
}
}
}
// -------------------------------------------------------------
// IWindowManager API
// -------------------------------------------------------------
public IWindowSession openSession(IInputMethodClient client,
IInputContext inputContext) {
if (client == null) throw new IllegalArgumentException("null client");
if (inputContext == null) throw new IllegalArgumentException("null inputContext");
Session session = new Session(client, inputContext);
return session;
}
public boolean inputMethodClientHasFocus(IInputMethodClient client) {
synchronized (mWindowMap) {
// The focus for the client is the window immediately below
// where we would place the input method window.
int idx = findDesiredInputMethodWindowIndexLocked(false);
WindowState imFocus;
if (idx > 0) {
imFocus = (WindowState)mWindows.get(idx-1);
if (imFocus != null) {
if (imFocus.mSession.mClient != null &&
imFocus.mSession.mClient.asBinder() == client.asBinder()) {
return true;
}
}
}
}
return false;
}
// -------------------------------------------------------------
// Internals
// -------------------------------------------------------------
final WindowState windowForClientLocked(Session session, IWindow client,
boolean throwOnError) {
return windowForClientLocked(session, client.asBinder(), throwOnError);
}
final WindowState windowForClientLocked(Session session, IBinder client,
boolean throwOnError) {
WindowState win = mWindowMap.get(client);
if (localLOGV) Slog.v(
TAG, "Looking up client " + client + ": " + win);
if (win == null) {
RuntimeException ex = new IllegalArgumentException(
"Requested window " + client + " does not exist");
if (throwOnError) {
throw ex;
}
Slog.w(TAG, "Failed looking up window", ex);
return null;
}
if (session != null && win.mSession != session) {
RuntimeException ex = new IllegalArgumentException(
"Requested window " + client + " is in session " +
win.mSession + ", not " + session);
if (throwOnError) {
throw ex;
}
Slog.w(TAG, "Failed looking up window", ex);
return null;
}
return win;
}
final void rebuildAppWindowListLocked() {
int NW = mWindows.size();
int i;
int lastWallpaper = -1;
int numRemoved = 0;
// First remove all existing app windows.
i=0;
while (i < NW) {
WindowState w = (WindowState)mWindows.get(i);
if (w.mAppToken != null) {
WindowState win = (WindowState)mWindows.remove(i);
if (DEBUG_WINDOW_MOVEMENT) Slog.v(TAG,
"Rebuild removing window: " + win);
NW--;
numRemoved++;
continue;
} else if (w.mAttrs.type == WindowManager.LayoutParams.TYPE_WALLPAPER
&& lastWallpaper == i-1) {
lastWallpaper = i;
}
i++;
}
// The wallpaper window(s) typically live at the bottom of the stack,
// so skip them before adding app tokens.
lastWallpaper++;
i = lastWallpaper;
// First add all of the exiting app tokens... these are no longer
// in the main app list, but still have windows shown. We put them
// in the back because now that the animation is over we no longer
// will care about them.
int NT = mExitingAppTokens.size();
for (int j=0; j<NT; j++) {
i = reAddAppWindowsLocked(i, mExitingAppTokens.get(j));
}
// And add in the still active app tokens in Z order.
NT = mAppTokens.size();
for (int j=0; j<NT; j++) {
i = reAddAppWindowsLocked(i, mAppTokens.get(j));
}
i -= lastWallpaper;
if (i != numRemoved) {
Slog.w(TAG, "Rebuild removed " + numRemoved
+ " windows but added " + i);
}
}
private final void assignLayersLocked() {
int N = mWindows.size();
int curBaseLayer = 0;
int curLayer = 0;
int i;
for (i=0; i<N; i++) {
WindowState w = (WindowState)mWindows.get(i);
if (w.mBaseLayer == curBaseLayer || w.mIsImWindow
|| (i > 0 && w.mIsWallpaper)) {
curLayer += WINDOW_LAYER_MULTIPLIER;
w.mLayer = curLayer;
} else {
curBaseLayer = curLayer = w.mBaseLayer;
w.mLayer = curLayer;
}
if (w.mTargetAppToken != null) {
w.mAnimLayer = w.mLayer + w.mTargetAppToken.animLayerAdjustment;
} else if (w.mAppToken != null) {
w.mAnimLayer = w.mLayer + w.mAppToken.animLayerAdjustment;
} else {
w.mAnimLayer = w.mLayer;
}
if (w.mIsImWindow) {
w.mAnimLayer += mInputMethodAnimLayerAdjustment;
} else if (w.mIsWallpaper) {
w.mAnimLayer += mWallpaperAnimLayerAdjustment;
}
if (DEBUG_LAYERS) Slog.v(TAG, "Assign layer " + w + ": "
+ w.mAnimLayer);
//System.out.println(
// "Assigned layer " + curLayer + " to " + w.mClient.asBinder());
}
}
private boolean mInLayout = false;
private final void performLayoutAndPlaceSurfacesLocked() {
if (mInLayout) {
if (DEBUG) {
throw new RuntimeException("Recursive call!");
}
Slog.w(TAG, "performLayoutAndPlaceSurfacesLocked called while in layout");
return;
}
if (mWaitingForConfig) {
// Our configuration has changed (most likely rotation), but we
// don't yet have the complete configuration to report to
// applications. Don't do any window layout until we have it.
return;
}
boolean recoveringMemory = false;
if (mForceRemoves != null) {
recoveringMemory = true;
// Wait a little it for things to settle down, and off we go.
for (int i=0; i<mForceRemoves.size(); i++) {
WindowState ws = mForceRemoves.get(i);
Slog.i(TAG, "Force removing: " + ws);
removeWindowInnerLocked(ws.mSession, ws);
}
mForceRemoves = null;
Slog.w(TAG, "Due to memory failure, waiting a bit for next layout");
Object tmp = new Object();
synchronized (tmp) {
try {
tmp.wait(250);
} catch (InterruptedException e) {
}
}
}
mInLayout = true;
try {
performLayoutAndPlaceSurfacesLockedInner(recoveringMemory);
int i = mPendingRemove.size()-1;
if (i >= 0) {
while (i >= 0) {
WindowState w = mPendingRemove.get(i);
removeWindowInnerLocked(w.mSession, w);
i--;
}
mPendingRemove.clear();
mInLayout = false;
assignLayersLocked();
mLayoutNeeded = true;
performLayoutAndPlaceSurfacesLocked();
} else {
mInLayout = false;
if (mLayoutNeeded) {
requestAnimationLocked(0);
}
}
} catch (RuntimeException e) {
mInLayout = false;
Slog.e(TAG, "Unhandled exception while layout out windows", e);
}
}
private final int performLayoutLockedInner() {
if (!mLayoutNeeded) {
return 0;
}
mLayoutNeeded = false;
final int dw = mDisplay.getWidth();
final int dh = mDisplay.getHeight();
final int N = mWindows.size();
int i;
if (DEBUG_LAYOUT) Slog.v(TAG, "performLayout: needed="
+ mLayoutNeeded + " dw=" + dw + " dh=" + dh);
mPolicy.beginLayoutLw(dw, dh);
int seq = mLayoutSeq+1;
if (seq < 0) seq = 0;
mLayoutSeq = seq;
// First perform layout of any root windows (not attached
// to another window).
int topAttached = -1;
for (i = N-1; i >= 0; i--) {
WindowState win = (WindowState) mWindows.get(i);
// Don't do layout of a window if it is not visible, or
// soon won't be visible, to avoid wasting time and funky
// changes while a window is animating away.
final AppWindowToken atoken = win.mAppToken;
final boolean gone = win.mViewVisibility == View.GONE
|| !win.mRelayoutCalled
|| win.mRootToken.hidden
|| (atoken != null && atoken.hiddenRequested)
|| win.mAttachedHidden
|| win.mExiting || win.mDestroying;
if (!win.mLayoutAttached) {
if (DEBUG_LAYOUT) Slog.v(TAG, "First pass " + win
+ ": gone=" + gone + " mHaveFrame=" + win.mHaveFrame
+ " mLayoutAttached=" + win.mLayoutAttached);
if (DEBUG_LAYOUT && gone) Slog.v(TAG, " (mViewVisibility="
+ win.mViewVisibility + " mRelayoutCalled="
+ win.mRelayoutCalled + " hidden="
+ win.mRootToken.hidden + " hiddenRequested="
+ (atoken != null && atoken.hiddenRequested)
+ " mAttachedHidden=" + win.mAttachedHidden);
}
// If this view is GONE, then skip it -- keep the current
// frame, and let the caller know so they can ignore it
// if they want. (We do the normal layout for INVISIBLE
// windows, since that means "perform layout as normal,
// just don't display").
if (!gone || !win.mHaveFrame) {
if (!win.mLayoutAttached) {
mPolicy.layoutWindowLw(win, win.mAttrs, null);
win.mLayoutSeq = seq;
if (DEBUG_LAYOUT) Slog.v(TAG, "-> mFrame="
+ win.mFrame + " mContainingFrame="
+ win.mContainingFrame + " mDisplayFrame="
+ win.mDisplayFrame);
} else {
if (topAttached < 0) topAttached = i;
}
}
}
// Now perform layout of attached windows, which usually
// depend on the position of the window they are attached to.
// XXX does not deal with windows that are attached to windows
// that are themselves attached.
for (i = topAttached; i >= 0; i--) {
WindowState win = (WindowState) mWindows.get(i);
// If this view is GONE, then skip it -- keep the current
// frame, and let the caller know so they can ignore it
// if they want. (We do the normal layout for INVISIBLE
// windows, since that means "perform layout as normal,
// just don't display").
if (win.mLayoutAttached) {
if (DEBUG_LAYOUT) Slog.v(TAG, "Second pass " + win
+ " mHaveFrame=" + win.mHaveFrame
+ " mViewVisibility=" + win.mViewVisibility
+ " mRelayoutCalled=" + win.mRelayoutCalled);
if ((win.mViewVisibility != View.GONE && win.mRelayoutCalled)
|| !win.mHaveFrame) {
mPolicy.layoutWindowLw(win, win.mAttrs, win.mAttachedWindow);
win.mLayoutSeq = seq;
if (DEBUG_LAYOUT) Slog.v(TAG, "-> mFrame="
+ win.mFrame + " mContainingFrame="
+ win.mContainingFrame + " mDisplayFrame="
+ win.mDisplayFrame);
}
}
}
// Window frames may have changed. Tell the input dispatcher about it.
mInputMonitor.updateInputWindowsLw();
return mPolicy.finishLayoutLw();
}
private final void performLayoutAndPlaceSurfacesLockedInner(
boolean recoveringMemory) {
final long currentTime = SystemClock.uptimeMillis();
final int dw = mDisplay.getWidth();
final int dh = mDisplay.getHeight();
int i;
if (mFocusMayChange) {
mFocusMayChange = false;
updateFocusedWindowLocked(UPDATE_FOCUS_WILL_PLACE_SURFACES);
}
if (mFxSession == null) {
mFxSession = new SurfaceSession();
}
if (SHOW_TRANSACTIONS) Slog.i(TAG, ">>> OPEN TRANSACTION");
// Initialize state of exiting tokens.
for (i=mExitingTokens.size()-1; i>=0; i--) {
mExitingTokens.get(i).hasVisible = false;
}
// Initialize state of exiting applications.
for (i=mExitingAppTokens.size()-1; i>=0; i--) {
mExitingAppTokens.get(i).hasVisible = false;
}
boolean orientationChangeComplete = true;
Session holdScreen = null;
float screenBrightness = -1;
float buttonBrightness = -1;
boolean focusDisplayed = false;
boolean animating = false;
Surface.openTransaction();
try {
boolean wallpaperForceHidingChanged = false;
int repeats = 0;
int changes = 0;
do {
repeats++;
if (repeats > 6) {
Slog.w(TAG, "Animation repeat aborted after too many iterations");
mLayoutNeeded = false;
break;
}
if ((changes&(WindowManagerPolicy.FINISH_LAYOUT_REDO_WALLPAPER
| WindowManagerPolicy.FINISH_LAYOUT_REDO_CONFIG
| WindowManagerPolicy.FINISH_LAYOUT_REDO_LAYOUT)) != 0) {
if ((changes&WindowManagerPolicy.FINISH_LAYOUT_REDO_WALLPAPER) != 0) {
if ((adjustWallpaperWindowsLocked()&ADJUST_WALLPAPER_LAYERS_CHANGED) != 0) {
assignLayersLocked();
mLayoutNeeded = true;
}
}
if ((changes&WindowManagerPolicy.FINISH_LAYOUT_REDO_CONFIG) != 0) {
if (DEBUG_LAYOUT) Slog.v(TAG, "Computing new config from layout");
if (updateOrientationFromAppTokensLocked()) {
mLayoutNeeded = true;
mH.sendEmptyMessage(H.SEND_NEW_CONFIGURATION);
}
}
if ((changes&WindowManagerPolicy.FINISH_LAYOUT_REDO_LAYOUT) != 0) {
mLayoutNeeded = true;
}
}
// FIRST LOOP: Perform a layout, if needed.
if (repeats < 4) {
changes = performLayoutLockedInner();
if (changes != 0) {
continue;
}
} else {
Slog.w(TAG, "Layout repeat skipped after too many iterations");
changes = 0;
}
final int transactionSequence = ++mTransactionSequence;
// Update animations of all applications, including those
// associated with exiting/removed apps
boolean tokensAnimating = false;
final int NAT = mAppTokens.size();
for (i=0; i<NAT; i++) {
if (mAppTokens.get(i).stepAnimationLocked(currentTime, dw, dh)) {
tokensAnimating = true;
}
}
final int NEAT = mExitingAppTokens.size();
for (i=0; i<NEAT; i++) {
if (mExitingAppTokens.get(i).stepAnimationLocked(currentTime, dw, dh)) {
tokensAnimating = true;
}
}
// SECOND LOOP: Execute animations and update visibility of windows.
if (DEBUG_APP_TRANSITIONS) Slog.v(TAG, "*** ANIM STEP: seq="
+ transactionSequence + " tokensAnimating="
+ tokensAnimating);
animating = tokensAnimating;
boolean tokenMayBeDrawn = false;
boolean wallpaperMayChange = false;
boolean forceHiding = false;
mPolicy.beginAnimationLw(dw, dh);
final int N = mWindows.size();
for (i=N-1; i>=0; i--) {
WindowState w = (WindowState)mWindows.get(i);
final WindowManager.LayoutParams attrs = w.mAttrs;
if (w.mSurface != null) {
// Execute animation.
if (w.commitFinishDrawingLocked(currentTime)) {
if ((w.mAttrs.flags
& WindowManager.LayoutParams.FLAG_SHOW_WALLPAPER) != 0) {
if (DEBUG_WALLPAPER) Slog.v(TAG,
"First draw done in potential wallpaper target " + w);
wallpaperMayChange = true;
}
}
boolean wasAnimating = w.mAnimating;
if (w.stepAnimationLocked(currentTime, dw, dh)) {
animating = true;
//w.dump(" ");
}
if (wasAnimating && !w.mAnimating && mWallpaperTarget == w) {
wallpaperMayChange = true;
}
if (mPolicy.doesForceHide(w, attrs)) {
if (!wasAnimating && animating) {
if (DEBUG_VISIBILITY) Slog.v(TAG,
"Animation done that could impact force hide: "
+ w);
wallpaperForceHidingChanged = true;
mFocusMayChange = true;
} else if (w.isReadyForDisplay() && w.mAnimation == null) {
forceHiding = true;
}
} else if (mPolicy.canBeForceHidden(w, attrs)) {
boolean changed;
if (forceHiding) {
changed = w.hideLw(false, false);
if (DEBUG_VISIBILITY && changed) Slog.v(TAG,
"Now policy hidden: " + w);
} else {
changed = w.showLw(false, false);
if (DEBUG_VISIBILITY && changed) Slog.v(TAG,
"Now policy shown: " + w);
if (changed) {
if (wallpaperForceHidingChanged
&& w.isVisibleNow() /*w.isReadyForDisplay()*/) {
// Assume we will need to animate. If
// we don't (because the wallpaper will
// stay with the lock screen), then we will
// clean up later.
Animation a = mPolicy.createForceHideEnterAnimation();
if (a != null) {
w.setAnimation(a);
}
}
if (mCurrentFocus == null ||
mCurrentFocus.mLayer < w.mLayer) {
// We are showing on to of the current
// focus, so re-evaluate focus to make
// sure it is correct.
mFocusMayChange = true;
}
}
}
if (changed && (attrs.flags
& WindowManager.LayoutParams.FLAG_SHOW_WALLPAPER) != 0) {
wallpaperMayChange = true;
}
}
mPolicy.animatingWindowLw(w, attrs);
}
final AppWindowToken atoken = w.mAppToken;
if (atoken != null && (!atoken.allDrawn || atoken.freezingScreen)) {
if (atoken.lastTransactionSequence != transactionSequence) {
atoken.lastTransactionSequence = transactionSequence;
atoken.numInterestingWindows = atoken.numDrawnWindows = 0;
atoken.startingDisplayed = false;
}
if ((w.isOnScreen() || w.mAttrs.type
== WindowManager.LayoutParams.TYPE_BASE_APPLICATION)
&& !w.mExiting && !w.mDestroying) {
if (DEBUG_VISIBILITY || DEBUG_ORIENTATION) {
Slog.v(TAG, "Eval win " + w + ": isDrawn="
+ w.isDrawnLw()
+ ", isAnimating=" + w.isAnimating());
if (!w.isDrawnLw()) {
Slog.v(TAG, "Not displayed: s=" + w.mSurface
+ " pv=" + w.mPolicyVisibility
+ " dp=" + w.mDrawPending
+ " cdp=" + w.mCommitDrawPending
+ " ah=" + w.mAttachedHidden
+ " th=" + atoken.hiddenRequested
+ " a=" + w.mAnimating);
}
}
if (w != atoken.startingWindow) {
if (!atoken.freezingScreen || !w.mAppFreezing) {
atoken.numInterestingWindows++;
if (w.isDrawnLw()) {
atoken.numDrawnWindows++;
if (DEBUG_VISIBILITY || DEBUG_ORIENTATION) Slog.v(TAG,
"tokenMayBeDrawn: " + atoken
+ " freezingScreen=" + atoken.freezingScreen
+ " mAppFreezing=" + w.mAppFreezing);
tokenMayBeDrawn = true;
}
}
} else if (w.isDrawnLw()) {
atoken.startingDisplayed = true;
}
}
} else if (w.mReadyToShow) {
w.performShowLocked();
}
}
changes |= mPolicy.finishAnimationLw();
if (tokenMayBeDrawn) {
// See if any windows have been drawn, so they (and others
// associated with them) can now be shown.
final int NT = mTokenList.size();
for (i=0; i<NT; i++) {
AppWindowToken wtoken = mTokenList.get(i).appWindowToken;
if (wtoken == null) {
continue;
}
if (wtoken.freezingScreen) {
int numInteresting = wtoken.numInterestingWindows;
if (numInteresting > 0 && wtoken.numDrawnWindows >= numInteresting) {
if (DEBUG_VISIBILITY) Slog.v(TAG,
"allDrawn: " + wtoken
+ " interesting=" + numInteresting
+ " drawn=" + wtoken.numDrawnWindows);
wtoken.showAllWindowsLocked();
unsetAppFreezingScreenLocked(wtoken, false, true);
orientationChangeComplete = true;
}
} else if (!wtoken.allDrawn) {
int numInteresting = wtoken.numInterestingWindows;
if (numInteresting > 0 && wtoken.numDrawnWindows >= numInteresting) {
if (DEBUG_VISIBILITY) Slog.v(TAG,
"allDrawn: " + wtoken
+ " interesting=" + numInteresting
+ " drawn=" + wtoken.numDrawnWindows);
wtoken.allDrawn = true;
changes |= PhoneWindowManager.FINISH_LAYOUT_REDO_ANIM;
// We can now show all of the drawn windows!
if (!mOpeningApps.contains(wtoken)) {
wtoken.showAllWindowsLocked();
}
}
}
}
}
// If we are ready to perform an app transition, check through
// all of the app tokens to be shown and see if they are ready
// to go.
if (mAppTransitionReady) {
int NN = mOpeningApps.size();
boolean goodToGo = true;
if (DEBUG_APP_TRANSITIONS) Slog.v(TAG,
"Checking " + NN + " opening apps (frozen="
+ mDisplayFrozen + " timeout="
+ mAppTransitionTimeout + ")...");
if (!mDisplayFrozen && !mAppTransitionTimeout) {
// If the display isn't frozen, wait to do anything until
// all of the apps are ready. Otherwise just go because
// we'll unfreeze the display when everyone is ready.
for (i=0; i<NN && goodToGo; i++) {
AppWindowToken wtoken = mOpeningApps.get(i);
if (DEBUG_APP_TRANSITIONS) Slog.v(TAG,
"Check opening app" + wtoken + ": allDrawn="
+ wtoken.allDrawn + " startingDisplayed="
+ wtoken.startingDisplayed);
if (!wtoken.allDrawn && !wtoken.startingDisplayed
&& !wtoken.startingMoved) {
goodToGo = false;
}
}
}
if (goodToGo) {
if (DEBUG_APP_TRANSITIONS) Slog.v(TAG, "**** GOOD TO GO");
int transit = mNextAppTransition;
if (mSkipAppTransitionAnimation) {
transit = WindowManagerPolicy.TRANSIT_UNSET;
}
mNextAppTransition = WindowManagerPolicy.TRANSIT_UNSET;
mAppTransitionReady = false;
mAppTransitionRunning = true;
mAppTransitionTimeout = false;
mStartingIconInTransition = false;
mSkipAppTransitionAnimation = false;
mH.removeMessages(H.APP_TRANSITION_TIMEOUT);
// If there are applications waiting to come to the
// top of the stack, now is the time to move their windows.
// (Note that we don't do apps going to the bottom
// here -- we want to keep their windows in the old
// Z-order until the animation completes.)
if (mToTopApps.size() > 0) {
NN = mAppTokens.size();
for (i=0; i<NN; i++) {
AppWindowToken wtoken = mAppTokens.get(i);
if (wtoken.sendingToTop) {
wtoken.sendingToTop = false;
moveAppWindowsLocked(wtoken, NN, false);
}
}
mToTopApps.clear();
}
WindowState oldWallpaper = mWallpaperTarget;
adjustWallpaperWindowsLocked();
wallpaperMayChange = false;
// The top-most window will supply the layout params,
// and we will determine it below.
LayoutParams animLp = null;
AppWindowToken animToken = null;
int bestAnimLayer = -1;
if (DEBUG_APP_TRANSITIONS) Slog.v(TAG,
"New wallpaper target=" + mWallpaperTarget
+ ", lower target=" + mLowerWallpaperTarget
+ ", upper target=" + mUpperWallpaperTarget);
int foundWallpapers = 0;
// Do a first pass through the tokens for two
// things:
// (1) Determine if both the closing and opening
// app token sets are wallpaper targets, in which
// case special animations are needed
// (since the wallpaper needs to stay static
// behind them).
// (2) Find the layout params of the top-most
// application window in the tokens, which is
// what will control the animation theme.
final int NC = mClosingApps.size();
NN = NC + mOpeningApps.size();
for (i=0; i<NN; i++) {
AppWindowToken wtoken;
int mode;
if (i < NC) {
wtoken = mClosingApps.get(i);
mode = 1;
} else {
wtoken = mOpeningApps.get(i-NC);
mode = 2;
}
if (mLowerWallpaperTarget != null) {
if (mLowerWallpaperTarget.mAppToken == wtoken
|| mUpperWallpaperTarget.mAppToken == wtoken) {
foundWallpapers |= mode;
}
}
if (wtoken.appFullscreen) {
WindowState ws = wtoken.findMainWindow();
if (ws != null) {
// If this is a compatibility mode
// window, we will always use its anim.
if ((ws.mAttrs.flags&FLAG_COMPATIBLE_WINDOW) != 0) {
animLp = ws.mAttrs;
animToken = ws.mAppToken;
bestAnimLayer = Integer.MAX_VALUE;
} else if (ws.mLayer > bestAnimLayer) {
animLp = ws.mAttrs;
animToken = ws.mAppToken;
bestAnimLayer = ws.mLayer;
}
}
}
}
if (foundWallpapers == 3) {
if (DEBUG_APP_TRANSITIONS) Slog.v(TAG,
"Wallpaper animation!");
switch (transit) {
case WindowManagerPolicy.TRANSIT_ACTIVITY_OPEN:
case WindowManagerPolicy.TRANSIT_TASK_OPEN:
case WindowManagerPolicy.TRANSIT_TASK_TO_FRONT:
transit = WindowManagerPolicy.TRANSIT_WALLPAPER_INTRA_OPEN;
break;
case WindowManagerPolicy.TRANSIT_ACTIVITY_CLOSE:
case WindowManagerPolicy.TRANSIT_TASK_CLOSE:
case WindowManagerPolicy.TRANSIT_TASK_TO_BACK:
transit = WindowManagerPolicy.TRANSIT_WALLPAPER_INTRA_CLOSE;
break;
}
if (DEBUG_APP_TRANSITIONS) Slog.v(TAG,
"New transit: " + transit);
} else if (oldWallpaper != null) {
// We are transitioning from an activity with
// a wallpaper to one without.
transit = WindowManagerPolicy.TRANSIT_WALLPAPER_CLOSE;
if (DEBUG_APP_TRANSITIONS) Slog.v(TAG,
"New transit away from wallpaper: " + transit);
} else if (mWallpaperTarget != null) {
// We are transitioning from an activity without
// a wallpaper to now showing the wallpaper
transit = WindowManagerPolicy.TRANSIT_WALLPAPER_OPEN;
if (DEBUG_APP_TRANSITIONS) Slog.v(TAG,
"New transit into wallpaper: " + transit);
}
if ((transit&WindowManagerPolicy.TRANSIT_ENTER_MASK) != 0) {
mLastEnterAnimToken = animToken;
mLastEnterAnimParams = animLp;
} else if (mLastEnterAnimParams != null) {
animLp = mLastEnterAnimParams;
mLastEnterAnimToken = null;
mLastEnterAnimParams = null;
}
// If all closing windows are obscured, then there is
// no need to do an animation. This is the case, for
// example, when this transition is being done behind
// the lock screen.
if (!mPolicy.allowAppAnimationsLw()) {
animLp = null;
}
NN = mOpeningApps.size();
for (i=0; i<NN; i++) {
AppWindowToken wtoken = mOpeningApps.get(i);
if (DEBUG_APP_TRANSITIONS) Slog.v(TAG,
"Now opening app" + wtoken);
wtoken.reportedVisible = false;
wtoken.inPendingTransaction = false;
wtoken.animation = null;
setTokenVisibilityLocked(wtoken, animLp, true, transit, false);
wtoken.updateReportedVisibilityLocked();
wtoken.waitingToShow = false;
wtoken.showAllWindowsLocked();
}
NN = mClosingApps.size();
for (i=0; i<NN; i++) {
AppWindowToken wtoken = mClosingApps.get(i);
if (DEBUG_APP_TRANSITIONS) Slog.v(TAG,
"Now closing app" + wtoken);
wtoken.inPendingTransaction = false;
wtoken.animation = null;
setTokenVisibilityLocked(wtoken, animLp, false, transit, false);
wtoken.updateReportedVisibilityLocked();
wtoken.waitingToHide = false;
// Force the allDrawn flag, because we want to start
// this guy's animations regardless of whether it's
// gotten drawn.
wtoken.allDrawn = true;
}
mNextAppTransitionPackage = null;
mOpeningApps.clear();
mClosingApps.clear();
// This has changed the visibility of windows, so perform
// a new layout to get them all up-to-date.
changes |= PhoneWindowManager.FINISH_LAYOUT_REDO_LAYOUT;
mLayoutNeeded = true;
if (!moveInputMethodWindowsIfNeededLocked(true)) {
assignLayersLocked();
}
updateFocusedWindowLocked(UPDATE_FOCUS_PLACING_SURFACES);
mFocusMayChange = false;
}
}
int adjResult = 0;
if (!animating && mAppTransitionRunning) {
// We have finished the animation of an app transition. To do
// this, we have delayed a lot of operations like showing and
// hiding apps, moving apps in Z-order, etc. The app token list
// reflects the correct Z-order, but the window list may now
// be out of sync with it. So here we will just rebuild the
// entire app window list. Fun!
mAppTransitionRunning = false;
// Clear information about apps that were moving.
mToBottomApps.clear();
rebuildAppWindowListLocked();
changes |= PhoneWindowManager.FINISH_LAYOUT_REDO_LAYOUT;
adjResult |= ADJUST_WALLPAPER_LAYERS_CHANGED;
moveInputMethodWindowsIfNeededLocked(false);
wallpaperMayChange = true;
// Since the window list has been rebuilt, focus might
// have to be recomputed since the actual order of windows
// might have changed again.
mFocusMayChange = true;
}
if (wallpaperForceHidingChanged && changes == 0 && !mAppTransitionReady) {
// At this point, there was a window with a wallpaper that
// was force hiding other windows behind it, but now it
// is going away. This may be simple -- just animate
// away the wallpaper and its window -- or it may be
// hard -- the wallpaper now needs to be shown behind
// something that was hidden.
WindowState oldWallpaper = mWallpaperTarget;
if (mLowerWallpaperTarget != null
&& mLowerWallpaperTarget.mAppToken != null) {
if (DEBUG_WALLPAPER) Slog.v(TAG,
"wallpaperForceHiding changed with lower="
+ mLowerWallpaperTarget);
if (DEBUG_WALLPAPER) Slog.v(TAG,
"hidden=" + mLowerWallpaperTarget.mAppToken.hidden +
" hiddenRequested=" + mLowerWallpaperTarget.mAppToken.hiddenRequested);
if (mLowerWallpaperTarget.mAppToken.hidden) {
// The lower target has become hidden before we
// actually started the animation... let's completely
// re-evaluate everything.
mLowerWallpaperTarget = mUpperWallpaperTarget = null;
changes |= PhoneWindowManager.FINISH_LAYOUT_REDO_ANIM;
}
}
adjResult |= adjustWallpaperWindowsLocked();
wallpaperMayChange = false;
wallpaperForceHidingChanged = false;
if (DEBUG_WALLPAPER) Slog.v(TAG, "****** OLD: " + oldWallpaper
+ " NEW: " + mWallpaperTarget
+ " LOWER: " + mLowerWallpaperTarget);
if (mLowerWallpaperTarget == null) {
// Whoops, we don't need a special wallpaper animation.
// Clear them out.
forceHiding = false;
for (i=N-1; i>=0; i--) {
WindowState w = (WindowState)mWindows.get(i);
if (w.mSurface != null) {
final WindowManager.LayoutParams attrs = w.mAttrs;
if (mPolicy.doesForceHide(w, attrs) && w.isVisibleLw()) {
if (DEBUG_FOCUS) Slog.i(TAG, "win=" + w + " force hides other windows");
forceHiding = true;
} else if (mPolicy.canBeForceHidden(w, attrs)) {
if (!w.mAnimating) {
// We set the animation above so it
// is not yet running.
w.clearAnimation();
}
}
}
}
}
}
if (wallpaperMayChange) {
if (DEBUG_WALLPAPER) Slog.v(TAG,
"Wallpaper may change! Adjusting");
adjResult |= adjustWallpaperWindowsLocked();
}
if ((adjResult&ADJUST_WALLPAPER_LAYERS_CHANGED) != 0) {
if (DEBUG_WALLPAPER) Slog.v(TAG,
"Wallpaper layer changed: assigning layers + relayout");
changes |= PhoneWindowManager.FINISH_LAYOUT_REDO_LAYOUT;
assignLayersLocked();
} else if ((adjResult&ADJUST_WALLPAPER_VISIBILITY_CHANGED) != 0) {
if (DEBUG_WALLPAPER) Slog.v(TAG,
"Wallpaper visibility changed: relayout");
changes |= PhoneWindowManager.FINISH_LAYOUT_REDO_LAYOUT;
}
if (mFocusMayChange) {
mFocusMayChange = false;
if (updateFocusedWindowLocked(UPDATE_FOCUS_PLACING_SURFACES)) {
changes |= PhoneWindowManager.FINISH_LAYOUT_REDO_ANIM;
adjResult = 0;
}
}
if (mLayoutNeeded) {
changes |= PhoneWindowManager.FINISH_LAYOUT_REDO_LAYOUT;
}
if (DEBUG_APP_TRANSITIONS) Slog.v(TAG, "*** ANIM STEP: changes=0x"
+ Integer.toHexString(changes));
} while (changes != 0);
// THIRD LOOP: Update the surfaces of all windows.
final boolean someoneLosingFocus = mLosingFocus.size() != 0;
boolean obscured = false;
boolean blurring = false;
boolean dimming = false;
boolean covered = false;
boolean syswin = false;
boolean backgroundFillerShown = false;
final int N = mWindows.size();
for (i=N-1; i>=0; i--) {
WindowState w = (WindowState)mWindows.get(i);
boolean displayed = false;
final WindowManager.LayoutParams attrs = w.mAttrs;
final int attrFlags = attrs.flags;
if (w.mSurface != null) {
// XXX NOTE: The logic here could be improved. We have
// the decision about whether to resize a window separated
// from whether to hide the surface. This can cause us to
// resize a surface even if we are going to hide it. You
// can see this by (1) holding device in landscape mode on
// home screen; (2) tapping browser icon (device will rotate
// to landscape; (3) tap home. The wallpaper will be resized
// in step 2 but then immediately hidden, causing us to
// have to resize and then redraw it again in step 3. It
// would be nice to figure out how to avoid this, but it is
// difficult because we do need to resize surfaces in some
// cases while they are hidden such as when first showing a
// window.
w.computeShownFrameLocked();
if (localLOGV) Slog.v(
TAG, "Placing surface #" + i + " " + w.mSurface
+ ": new=" + w.mShownFrame + ", old="
+ w.mLastShownFrame);
boolean resize;
int width, height;
if ((w.mAttrs.flags & w.mAttrs.FLAG_SCALED) != 0) {
resize = w.mLastRequestedWidth != w.mRequestedWidth ||
w.mLastRequestedHeight != w.mRequestedHeight;
// for a scaled surface, we just want to use
// the requested size.
width = w.mRequestedWidth;
height = w.mRequestedHeight;
w.mLastRequestedWidth = width;
w.mLastRequestedHeight = height;
w.mLastShownFrame.set(w.mShownFrame);
try {
if (SHOW_TRANSACTIONS) logSurface(w,
"POS " + w.mShownFrame.left
+ ", " + w.mShownFrame.top, null);
w.mSurfaceX = w.mShownFrame.left;
w.mSurfaceY = w.mShownFrame.top;
w.mSurface.setPosition(w.mShownFrame.left, w.mShownFrame.top);
} catch (RuntimeException e) {
Slog.w(TAG, "Error positioning surface in " + w, e);
if (!recoveringMemory) {
reclaimSomeSurfaceMemoryLocked(w, "position");
}
}
} else {
resize = !w.mLastShownFrame.equals(w.mShownFrame);
width = w.mShownFrame.width();
height = w.mShownFrame.height();
w.mLastShownFrame.set(w.mShownFrame);
}
if (resize) {
if (width < 1) width = 1;
if (height < 1) height = 1;
if (w.mSurface != null) {
try {
if (SHOW_TRANSACTIONS) logSurface(w,
"POS " + w.mShownFrame.left + ","
+ w.mShownFrame.top + " SIZE "
+ w.mShownFrame.width() + "x"
+ w.mShownFrame.height(), null);
w.mSurfaceResized = true;
w.mSurfaceW = width;
w.mSurfaceH = height;
w.mSurface.setSize(width, height);
w.mSurfaceX = w.mShownFrame.left;
w.mSurfaceY = w.mShownFrame.top;
w.mSurface.setPosition(w.mShownFrame.left,
w.mShownFrame.top);
} catch (RuntimeException e) {
// If something goes wrong with the surface (such
// as running out of memory), don't take down the
// entire system.
Slog.e(TAG, "Failure updating surface of " + w
+ "size=(" + width + "x" + height
+ "), pos=(" + w.mShownFrame.left
+ "," + w.mShownFrame.top + ")", e);
if (!recoveringMemory) {
reclaimSomeSurfaceMemoryLocked(w, "size");
}
}
}
}
if (!w.mAppFreezing && w.mLayoutSeq == mLayoutSeq) {
w.mContentInsetsChanged =
!w.mLastContentInsets.equals(w.mContentInsets);
w.mVisibleInsetsChanged =
!w.mLastVisibleInsets.equals(w.mVisibleInsets);
boolean configChanged =
w.mConfiguration != mCurConfiguration
&& (w.mConfiguration == null
|| mCurConfiguration.diff(w.mConfiguration) != 0);
if (DEBUG_CONFIGURATION && configChanged) {
Slog.v(TAG, "Win " + w + " config changed: "
+ mCurConfiguration);
}
if (localLOGV) Slog.v(TAG, "Resizing " + w
+ ": configChanged=" + configChanged
+ " last=" + w.mLastFrame + " frame=" + w.mFrame);
if (!w.mLastFrame.equals(w.mFrame)
|| w.mContentInsetsChanged
|| w.mVisibleInsetsChanged
|| w.mSurfaceResized
|| configChanged) {
w.mLastFrame.set(w.mFrame);
w.mLastContentInsets.set(w.mContentInsets);
w.mLastVisibleInsets.set(w.mVisibleInsets);
// If the screen is currently frozen, then keep
// it frozen until this window draws at its new
// orientation.
if (mDisplayFrozen) {
if (DEBUG_ORIENTATION) Slog.v(TAG,
"Resizing while display frozen: " + w);
w.mOrientationChanging = true;
if (!mWindowsFreezingScreen) {
mWindowsFreezingScreen = true;
// XXX should probably keep timeout from
// when we first froze the display.
mH.removeMessages(H.WINDOW_FREEZE_TIMEOUT);
mH.sendMessageDelayed(mH.obtainMessage(
H.WINDOW_FREEZE_TIMEOUT), 2000);
}
}
// If the orientation is changing, then we need to
// hold off on unfreezing the display until this
// window has been redrawn; to do that, we need
// to go through the process of getting informed
// by the application when it has finished drawing.
if (w.mOrientationChanging) {
if (DEBUG_ORIENTATION) Slog.v(TAG,
"Orientation start waiting for draw in "
+ w + ", surface " + w.mSurface);
w.mDrawPending = true;
w.mCommitDrawPending = false;
w.mReadyToShow = false;
if (w.mAppToken != null) {
w.mAppToken.allDrawn = false;
}
}
if (DEBUG_RESIZE || DEBUG_ORIENTATION) Slog.v(TAG,
"Resizing window " + w + " to " + w.mFrame);
mResizingWindows.add(w);
} else if (w.mOrientationChanging) {
if (!w.mDrawPending && !w.mCommitDrawPending) {
if (DEBUG_ORIENTATION) Slog.v(TAG,
"Orientation not waiting for draw in "
+ w + ", surface " + w.mSurface);
w.mOrientationChanging = false;
}
}
}
if (w.mAttachedHidden || !w.isReadyForDisplay()) {
if (!w.mLastHidden) {
//dump();
if (DEBUG_CONFIGURATION) Slog.v(TAG, "Window hiding: waitingToShow="
+ w.mRootToken.waitingToShow + " polvis="
+ w.mPolicyVisibility + " atthid="
+ w.mAttachedHidden + " tokhid="
+ w.mRootToken.hidden + " vis="
+ w.mViewVisibility);
w.mLastHidden = true;
if (SHOW_TRANSACTIONS) logSurface(w,
"HIDE (performLayout)", null);
if (w.mSurface != null) {
w.mSurfaceShown = false;
try {
w.mSurface.hide();
} catch (RuntimeException e) {
Slog.w(TAG, "Exception hiding surface in " + w);
}
}
mInputMonitor.windowIsBecomingInvisibleLw(w);
}
// If we are waiting for this window to handle an
// orientation change, well, it is hidden, so
// doesn't really matter. Note that this does
// introduce a potential glitch if the window
// becomes unhidden before it has drawn for the
// new orientation.
if (w.mOrientationChanging) {
w.mOrientationChanging = false;
if (DEBUG_ORIENTATION) Slog.v(TAG,
"Orientation change skips hidden " + w);
}
} else if (w.mLastLayer != w.mAnimLayer
|| w.mLastAlpha != w.mShownAlpha
|| w.mLastDsDx != w.mDsDx
|| w.mLastDtDx != w.mDtDx
|| w.mLastDsDy != w.mDsDy
|| w.mLastDtDy != w.mDtDy
|| w.mLastHScale != w.mHScale
|| w.mLastVScale != w.mVScale
|| w.mLastHidden) {
displayed = true;
w.mLastAlpha = w.mShownAlpha;
w.mLastLayer = w.mAnimLayer;
w.mLastDsDx = w.mDsDx;
w.mLastDtDx = w.mDtDx;
w.mLastDsDy = w.mDsDy;
w.mLastDtDy = w.mDtDy;
w.mLastHScale = w.mHScale;
w.mLastVScale = w.mVScale;
if (SHOW_TRANSACTIONS) logSurface(w,
"alpha=" + w.mShownAlpha + " layer=" + w.mAnimLayer
+ " matrix=[" + (w.mDsDx*w.mHScale)
+ "," + (w.mDtDx*w.mVScale)
+ "][" + (w.mDsDy*w.mHScale)
+ "," + (w.mDtDy*w.mVScale) + "]", null);
if (w.mSurface != null) {
try {
w.mSurfaceAlpha = w.mShownAlpha;
w.mSurface.setAlpha(w.mShownAlpha);
w.mSurfaceLayer = w.mAnimLayer;
w.mSurface.setLayer(w.mAnimLayer);
w.mSurface.setMatrix(
w.mDsDx*w.mHScale, w.mDtDx*w.mVScale,
w.mDsDy*w.mHScale, w.mDtDy*w.mVScale);
} catch (RuntimeException e) {
Slog.w(TAG, "Error updating surface in " + w, e);
if (!recoveringMemory) {
reclaimSomeSurfaceMemoryLocked(w, "update");
}
}
}
if (w.mLastHidden && !w.mDrawPending
&& !w.mCommitDrawPending
&& !w.mReadyToShow) {
if (SHOW_TRANSACTIONS) logSurface(w,
"SHOW (performLayout)", null);
if (DEBUG_VISIBILITY) Slog.v(TAG, "Showing " + w
+ " during relayout");
if (showSurfaceRobustlyLocked(w)) {
w.mHasDrawn = true;
w.mLastHidden = false;
} else {
w.mOrientationChanging = false;
}
}
if (w.mSurface != null) {
w.mToken.hasVisible = true;
}
} else {
displayed = true;
}
if (displayed) {
if (!covered) {
if (attrs.width == LayoutParams.MATCH_PARENT
&& attrs.height == LayoutParams.MATCH_PARENT) {
covered = true;
}
}
if (w.mOrientationChanging) {
if (w.mDrawPending || w.mCommitDrawPending) {
orientationChangeComplete = false;
if (DEBUG_ORIENTATION) Slog.v(TAG,
"Orientation continue waiting for draw in " + w);
} else {
w.mOrientationChanging = false;
if (DEBUG_ORIENTATION) Slog.v(TAG,
"Orientation change complete in " + w);
}
}
w.mToken.hasVisible = true;
}
} else if (w.mOrientationChanging) {
if (DEBUG_ORIENTATION) Slog.v(TAG,
"Orientation change skips hidden " + w);
w.mOrientationChanging = false;
}
final boolean canBeSeen = w.isDisplayedLw();
if (someoneLosingFocus && w == mCurrentFocus && canBeSeen) {
focusDisplayed = true;
}
final boolean obscuredChanged = w.mObscured != obscured;
// Update effect.
if (!(w.mObscured=obscured)) {
if (w.mSurface != null) {
if ((attrFlags&FLAG_KEEP_SCREEN_ON) != 0) {
holdScreen = w.mSession;
}
if (!syswin && w.mAttrs.screenBrightness >= 0
&& screenBrightness < 0) {
screenBrightness = w.mAttrs.screenBrightness;
}
if (!syswin && w.mAttrs.buttonBrightness >= 0
&& buttonBrightness < 0) {
buttonBrightness = w.mAttrs.buttonBrightness;
}
if (canBeSeen
&& (attrs.type == WindowManager.LayoutParams.TYPE_SYSTEM_DIALOG
|| attrs.type == WindowManager.LayoutParams.TYPE_KEYGUARD
|| attrs.type == WindowManager.LayoutParams.TYPE_SYSTEM_ERROR)) {
syswin = true;
}
}
boolean opaqueDrawn = canBeSeen && w.isOpaqueDrawn();
if (opaqueDrawn && w.isFullscreen(dw, dh)) {
// This window completely covers everything behind it,
// so we want to leave all of them as unblurred (for
// performance reasons).
obscured = true;
} else if (opaqueDrawn && w.needsBackgroundFiller(dw, dh)) {
if (SHOW_TRANSACTIONS) Slog.d(TAG, "showing background filler");
// This window is in compatibility mode, and needs background filler.
obscured = true;
if (mBackgroundFillerSurface == null) {
try {
mBackgroundFillerSurface = new Surface(mFxSession, 0,
"BackGroundFiller",
0, dw, dh,
PixelFormat.OPAQUE,
Surface.FX_SURFACE_NORMAL);
} catch (Exception e) {
Slog.e(TAG, "Exception creating filler surface", e);
}
}
try {
mBackgroundFillerSurface.setPosition(0, 0);
mBackgroundFillerSurface.setSize(dw, dh);
// Using the same layer as Dim because they will never be shown at the
// same time.
mBackgroundFillerSurface.setLayer(w.mAnimLayer - 1);
mBackgroundFillerSurface.show();
} catch (RuntimeException e) {
Slog.e(TAG, "Exception showing filler surface");
}
backgroundFillerShown = true;
mBackgroundFillerShown = true;
} else if (canBeSeen && !obscured &&
(attrFlags&FLAG_BLUR_BEHIND|FLAG_DIM_BEHIND) != 0) {
if (localLOGV) Slog.v(TAG, "Win " + w
+ ": blurring=" + blurring
+ " obscured=" + obscured
+ " displayed=" + displayed);
if ((attrFlags&FLAG_DIM_BEHIND) != 0) {
if (!dimming) {
//Slog.i(TAG, "DIM BEHIND: " + w);
dimming = true;
if (mDimAnimator == null) {
mDimAnimator = new DimAnimator(mFxSession);
}
mDimAnimator.show(dw, dh);
mDimAnimator.updateParameters(w, currentTime);
}
}
if ((attrFlags&FLAG_BLUR_BEHIND) != 0) {
if (!blurring) {
//Slog.i(TAG, "BLUR BEHIND: " + w);
blurring = true;
if (mBlurSurface == null) {
if (SHOW_TRANSACTIONS) Slog.i(TAG, " BLUR "
+ mBlurSurface + ": CREATE");
try {
mBlurSurface = new Surface(mFxSession, 0,
"BlurSurface",
-1, 16, 16,
PixelFormat.OPAQUE,
Surface.FX_SURFACE_BLUR);
} catch (Exception e) {
Slog.e(TAG, "Exception creating Blur surface", e);
}
}
if (mBlurSurface != null) {
if (SHOW_TRANSACTIONS) Slog.i(TAG, " BLUR "
+ mBlurSurface + ": pos=(0,0) (" +
dw + "x" + dh + "), layer=" + (w.mAnimLayer-1));
mBlurSurface.setPosition(0, 0);
mBlurSurface.setSize(dw, dh);
mBlurSurface.setLayer(w.mAnimLayer-2);
if (!mBlurShown) {
try {
if (SHOW_TRANSACTIONS) Slog.i(TAG, " BLUR "
+ mBlurSurface + ": SHOW");
mBlurSurface.show();
} catch (RuntimeException e) {
Slog.w(TAG, "Failure showing blur surface", e);
}
mBlurShown = true;
}
}
}
}
}
}
if (obscuredChanged && mWallpaperTarget == w) {
// This is the wallpaper target and its obscured state
// changed... make sure the current wallaper's visibility
// has been updated accordingly.
updateWallpaperVisibilityLocked();
}
}
if (backgroundFillerShown == false && mBackgroundFillerShown) {
mBackgroundFillerShown = false;
if (SHOW_TRANSACTIONS) Slog.d(TAG, "hiding background filler");
try {
mBackgroundFillerSurface.hide();
} catch (RuntimeException e) {
Slog.e(TAG, "Exception hiding filler surface", e);
}
}
if (mDimAnimator != null && mDimAnimator.mDimShown) {
animating |= mDimAnimator.updateSurface(dimming, currentTime,
mDisplayFrozen || !mPolicy.isScreenOn());
}
if (!blurring && mBlurShown) {
if (SHOW_TRANSACTIONS) Slog.i(TAG, " BLUR " + mBlurSurface
+ ": HIDE");
try {
mBlurSurface.hide();
} catch (IllegalArgumentException e) {
Slog.w(TAG, "Illegal argument exception hiding blur surface");
}
mBlurShown = false;
}
if (SHOW_TRANSACTIONS) Slog.i(TAG, "<<< CLOSE TRANSACTION");
} catch (RuntimeException e) {
Slog.e(TAG, "Unhandled exception in Window Manager", e);
}
Surface.closeTransaction();
if (DEBUG_ORIENTATION && mDisplayFrozen) Slog.v(TAG,
"With display frozen, orientationChangeComplete="
+ orientationChangeComplete);
if (orientationChangeComplete) {
if (mWindowsFreezingScreen) {
mWindowsFreezingScreen = false;
mH.removeMessages(H.WINDOW_FREEZE_TIMEOUT);
}
stopFreezingDisplayLocked();
}
i = mResizingWindows.size();
if (i > 0) {
do {
i--;
WindowState win = mResizingWindows.get(i);
try {
if (DEBUG_RESIZE || DEBUG_ORIENTATION) Slog.v(TAG,
"Reporting new frame to " + win + ": " + win.mFrame);
int diff = 0;
boolean configChanged =
win.mConfiguration != mCurConfiguration
&& (win.mConfiguration == null
|| (diff=mCurConfiguration.diff(win.mConfiguration)) != 0);
if ((DEBUG_RESIZE || DEBUG_ORIENTATION || DEBUG_CONFIGURATION)
&& configChanged) {
Slog.i(TAG, "Sending new config to window " + win + ": "
+ win.mFrame.width() + "x" + win.mFrame.height()
+ " / " + mCurConfiguration + " / 0x"
+ Integer.toHexString(diff));
}
win.mConfiguration = mCurConfiguration;
win.mClient.resized(win.mFrame.width(),
win.mFrame.height(), win.mLastContentInsets,
win.mLastVisibleInsets, win.mDrawPending,
configChanged ? win.mConfiguration : null);
win.mContentInsetsChanged = false;
win.mVisibleInsetsChanged = false;
win.mSurfaceResized = false;
} catch (RemoteException e) {
win.mOrientationChanging = false;
}
} while (i > 0);
mResizingWindows.clear();
}
// Destroy the surface of any windows that are no longer visible.
boolean wallpaperDestroyed = false;
i = mDestroySurface.size();
if (i > 0) {
do {
i--;
WindowState win = mDestroySurface.get(i);
win.mDestroying = false;
if (mInputMethodWindow == win) {
mInputMethodWindow = null;
}
if (win == mWallpaperTarget) {
wallpaperDestroyed = true;
}
win.destroySurfaceLocked();
} while (i > 0);
mDestroySurface.clear();
}
// Time to remove any exiting tokens?
for (i=mExitingTokens.size()-1; i>=0; i--) {
WindowToken token = mExitingTokens.get(i);
if (!token.hasVisible) {
mExitingTokens.remove(i);
if (token.windowType == TYPE_WALLPAPER) {
mWallpaperTokens.remove(token);
}
}
}
// Time to remove any exiting applications?
for (i=mExitingAppTokens.size()-1; i>=0; i--) {
AppWindowToken token = mExitingAppTokens.get(i);
if (!token.hasVisible && !mClosingApps.contains(token)) {
// Make sure there is no animation running on this token,
// so any windows associated with it will be removed as
// soon as their animations are complete
token.animation = null;
token.animating = false;
mAppTokens.remove(token);
mExitingAppTokens.remove(i);
if (mLastEnterAnimToken == token) {
mLastEnterAnimToken = null;
mLastEnterAnimParams = null;
}
}
}
boolean needRelayout = false;
if (!animating && mAppTransitionRunning) {
// We have finished the animation of an app transition. To do
// this, we have delayed a lot of operations like showing and
// hiding apps, moving apps in Z-order, etc. The app token list
// reflects the correct Z-order, but the window list may now
// be out of sync with it. So here we will just rebuild the
// entire app window list. Fun!
mAppTransitionRunning = false;
needRelayout = true;
rebuildAppWindowListLocked();
assignLayersLocked();
// Clear information about apps that were moving.
mToBottomApps.clear();
}
if (focusDisplayed) {
mH.sendEmptyMessage(H.REPORT_LOSING_FOCUS);
}
if (wallpaperDestroyed) {
needRelayout = adjustWallpaperWindowsLocked() != 0;
}
if (needRelayout) {
requestAnimationLocked(0);
} else if (animating) {
requestAnimationLocked(currentTime+(1000/60)-SystemClock.uptimeMillis());
}
if (DEBUG_FREEZE) Slog.v(TAG, "Layout: mDisplayFrozen=" + mDisplayFrozen
+ " holdScreen=" + holdScreen);
if (!mDisplayFrozen) {
setHoldScreenLocked(holdScreen != null);
if (screenBrightness < 0 || screenBrightness > 1.0f) {
mPowerManager.setScreenBrightnessOverride(-1);
} else {
mPowerManager.setScreenBrightnessOverride((int)
(screenBrightness * Power.BRIGHTNESS_ON));
}
if (buttonBrightness < 0 || buttonBrightness > 1.0f) {
mPowerManager.setButtonBrightnessOverride(-1);
} else {
mPowerManager.setButtonBrightnessOverride((int)
(buttonBrightness * Power.BRIGHTNESS_ON));
}
if (holdScreen != mHoldingScreenOn) {
mHoldingScreenOn = holdScreen;
Message m = mH.obtainMessage(H.HOLD_SCREEN_CHANGED, holdScreen);
mH.sendMessage(m);
}
}
if (mTurnOnScreen) {
if (DEBUG_VISIBILITY) Slog.v(TAG, "Turning screen on after layout!");
mPowerManager.userActivity(SystemClock.uptimeMillis(), false,
LocalPowerManager.BUTTON_EVENT, true);
mTurnOnScreen = false;
}
// Check to see if we are now in a state where the screen should
// be enabled, because the window obscured flags have changed.
enableScreenIfNeededLocked();
}
/**
* Must be called with the main window manager lock held.
*/
void setHoldScreenLocked(boolean holding) {
boolean state = mHoldingScreenWakeLock.isHeld();
if (holding != state) {
if (holding) {
mHoldingScreenWakeLock.acquire();
} else {
mPolicy.screenOnStoppedLw();
mHoldingScreenWakeLock.release();
}
}
}
void requestAnimationLocked(long delay) {
if (!mAnimationPending) {
mAnimationPending = true;
mH.sendMessageDelayed(mH.obtainMessage(H.ANIMATE), delay);
}
}
/**
* Have the surface flinger show a surface, robustly dealing with
* error conditions. In particular, if there is not enough memory
* to show the surface, then we will try to get rid of other surfaces
* in order to succeed.
*
* @return Returns true if the surface was successfully shown.
*/
boolean showSurfaceRobustlyLocked(WindowState win) {
try {
if (win.mSurface != null) {
win.mSurfaceShown = true;
win.mSurface.show();
if (win.mTurnOnScreen) {
if (DEBUG_VISIBILITY) Slog.v(TAG,
"Show surface turning screen on: " + win);
win.mTurnOnScreen = false;
mTurnOnScreen = true;
}
}
return true;
} catch (RuntimeException e) {
Slog.w(TAG, "Failure showing surface " + win.mSurface + " in " + win);
}
reclaimSomeSurfaceMemoryLocked(win, "show");
return false;
}
void reclaimSomeSurfaceMemoryLocked(WindowState win, String operation) {
final Surface surface = win.mSurface;
EventLog.writeEvent(EventLogTags.WM_NO_SURFACE_MEMORY, win.toString(),
win.mSession.mPid, operation);
if (mForceRemoves == null) {
mForceRemoves = new ArrayList<WindowState>();
}
long callingIdentity = Binder.clearCallingIdentity();
try {
// There was some problem... first, do a sanity check of the
// window list to make sure we haven't left any dangling surfaces
// around.
int N = mWindows.size();
boolean leakedSurface = false;
Slog.i(TAG, "Out of memory for surface! Looking for leaks...");
for (int i=0; i<N; i++) {
WindowState ws = (WindowState)mWindows.get(i);
if (ws.mSurface != null) {
if (!mSessions.contains(ws.mSession)) {
Slog.w(TAG, "LEAKED SURFACE (session doesn't exist): "
+ ws + " surface=" + ws.mSurface
+ " token=" + win.mToken
+ " pid=" + ws.mSession.mPid
+ " uid=" + ws.mSession.mUid);
ws.mSurface.destroy();
ws.mSurfaceShown = false;
ws.mSurface = null;
mForceRemoves.add(ws);
i--;
N--;
leakedSurface = true;
} else if (win.mAppToken != null && win.mAppToken.clientHidden) {
Slog.w(TAG, "LEAKED SURFACE (app token hidden): "
+ ws + " surface=" + ws.mSurface
+ " token=" + win.mAppToken);
ws.mSurface.destroy();
ws.mSurfaceShown = false;
ws.mSurface = null;
leakedSurface = true;
}
}
}
boolean killedApps = false;
if (!leakedSurface) {
Slog.w(TAG, "No leaked surfaces; killing applicatons!");
SparseIntArray pidCandidates = new SparseIntArray();
for (int i=0; i<N; i++) {
WindowState ws = (WindowState)mWindows.get(i);
if (ws.mSurface != null) {
pidCandidates.append(ws.mSession.mPid, ws.mSession.mPid);
}
}
if (pidCandidates.size() > 0) {
int[] pids = new int[pidCandidates.size()];
for (int i=0; i<pids.length; i++) {
pids[i] = pidCandidates.keyAt(i);
}
try {
if (mActivityManager.killPids(pids, "Free memory")) {
killedApps = true;
}
} catch (RemoteException e) {
}
}
}
if (leakedSurface || killedApps) {
// We managed to reclaim some memory, so get rid of the trouble
// surface and ask the app to request another one.
Slog.w(TAG, "Looks like we have reclaimed some memory, clearing surface for retry.");
if (surface != null) {
surface.destroy();
win.mSurfaceShown = false;
win.mSurface = null;
}
try {
win.mClient.dispatchGetNewSurface();
} catch (RemoteException e) {
}
}
} finally {
Binder.restoreCallingIdentity(callingIdentity);
}
}
private boolean updateFocusedWindowLocked(int mode) {
WindowState newFocus = computeFocusedWindowLocked();
if (mCurrentFocus != newFocus) {
// This check makes sure that we don't already have the focus
// change message pending.
mH.removeMessages(H.REPORT_FOCUS_CHANGE);
mH.sendEmptyMessage(H.REPORT_FOCUS_CHANGE);
if (localLOGV) Slog.v(
TAG, "Changing focus from " + mCurrentFocus + " to " + newFocus);
final WindowState oldFocus = mCurrentFocus;
mCurrentFocus = newFocus;
mLosingFocus.remove(newFocus);
final WindowState imWindow = mInputMethodWindow;
if (newFocus != imWindow && oldFocus != imWindow) {
if (moveInputMethodWindowsIfNeededLocked(
mode != UPDATE_FOCUS_WILL_ASSIGN_LAYERS &&
mode != UPDATE_FOCUS_WILL_PLACE_SURFACES)) {
mLayoutNeeded = true;
}
if (mode == UPDATE_FOCUS_PLACING_SURFACES) {
performLayoutLockedInner();
} else if (mode == UPDATE_FOCUS_WILL_PLACE_SURFACES) {
// Client will do the layout, but we need to assign layers
// for handleNewWindowLocked() below.
assignLayersLocked();
}
}
if (mode != UPDATE_FOCUS_WILL_ASSIGN_LAYERS) {
// If we defer assigning layers, then the caller is responsible for
// doing this part.
finishUpdateFocusedWindowAfterAssignLayersLocked();
}
return true;
}
return false;
}
private void finishUpdateFocusedWindowAfterAssignLayersLocked() {
mInputMonitor.setInputFocusLw(mCurrentFocus);
}
private WindowState computeFocusedWindowLocked() {
WindowState result = null;
WindowState win;
int i = mWindows.size() - 1;
int nextAppIndex = mAppTokens.size()-1;
WindowToken nextApp = nextAppIndex >= 0
? mAppTokens.get(nextAppIndex) : null;
while (i >= 0) {
win = (WindowState)mWindows.get(i);
if (localLOGV || DEBUG_FOCUS) Slog.v(
TAG, "Looking for focus: " + i
+ " = " + win
+ ", flags=" + win.mAttrs.flags
+ ", canReceive=" + win.canReceiveKeys());
AppWindowToken thisApp = win.mAppToken;
// If this window's application has been removed, just skip it.
if (thisApp != null && thisApp.removed) {
i--;
continue;
}
// If there is a focused app, don't allow focus to go to any
// windows below it. If this is an application window, step
// through the app tokens until we find its app.
if (thisApp != null && nextApp != null && thisApp != nextApp
&& win.mAttrs.type != TYPE_APPLICATION_STARTING) {
int origAppIndex = nextAppIndex;
while (nextAppIndex > 0) {
if (nextApp == mFocusedApp) {
// Whoops, we are below the focused app... no focus
// for you!
if (localLOGV || DEBUG_FOCUS) Slog.v(
TAG, "Reached focused app: " + mFocusedApp);
return null;
}
nextAppIndex--;
nextApp = mAppTokens.get(nextAppIndex);
if (nextApp == thisApp) {
break;
}
}
if (thisApp != nextApp) {
// Uh oh, the app token doesn't exist! This shouldn't
// happen, but if it does we can get totally hosed...
// so restart at the original app.
nextAppIndex = origAppIndex;
nextApp = mAppTokens.get(nextAppIndex);
}
}
// Dispatch to this window if it is wants key events.
if (win.canReceiveKeys()) {
if (DEBUG_FOCUS) Slog.v(
TAG, "Found focus @ " + i + " = " + win);
result = win;
break;
}
i--;
}
return result;
}
private void startFreezingDisplayLocked() {
if (mDisplayFrozen) {
return;
}
mScreenFrozenLock.acquire();
long now = SystemClock.uptimeMillis();
//Slog.i(TAG, "Freezing, gc pending: " + mFreezeGcPending + ", now " + now);
if (mFreezeGcPending != 0) {
if (now > (mFreezeGcPending+1000)) {
//Slog.i(TAG, "Gc! " + now + " > " + (mFreezeGcPending+1000));
mH.removeMessages(H.FORCE_GC);
Runtime.getRuntime().gc();
mFreezeGcPending = now;
}
} else {
mFreezeGcPending = now;
}
if (DEBUG_FREEZE) Slog.v(TAG, "*** FREEZING DISPLAY", new RuntimeException());
mDisplayFrozen = true;
mInputMonitor.freezeInputDispatchingLw();
if (mNextAppTransition != WindowManagerPolicy.TRANSIT_UNSET) {
mNextAppTransition = WindowManagerPolicy.TRANSIT_UNSET;
mNextAppTransitionPackage = null;
mAppTransitionReady = true;
}
if (PROFILE_ORIENTATION) {
File file = new File("/data/system/frozen");
Debug.startMethodTracing(file.toString(), 8 * 1024 * 1024);
}
Surface.freezeDisplay(0);
}
private void stopFreezingDisplayLocked() {
if (!mDisplayFrozen) {
return;
}
if (mWaitingForConfig || mAppsFreezingScreen > 0 || mWindowsFreezingScreen) {
return;
}
if (DEBUG_FREEZE) Slog.v(TAG, "*** UNFREEZING DISPLAY", new RuntimeException());
mDisplayFrozen = false;
mH.removeMessages(H.APP_FREEZE_TIMEOUT);
if (PROFILE_ORIENTATION) {
Debug.stopMethodTracing();
}
Surface.unfreezeDisplay(0);
mInputMonitor.thawInputDispatchingLw();
// While the display is frozen we don't re-compute the orientation
// to avoid inconsistent states. However, something interesting
// could have actually changed during that time so re-evaluate it
// now to catch that.
if (updateOrientationFromAppTokensLocked()) {
mH.sendEmptyMessage(H.SEND_NEW_CONFIGURATION);
}
// A little kludge: a lot could have happened while the
// display was frozen, so now that we are coming back we
// do a gc so that any remote references the system
// processes holds on others can be released if they are
// no longer needed.
mH.removeMessages(H.FORCE_GC);
mH.sendMessageDelayed(mH.obtainMessage(H.FORCE_GC),
2000);
mScreenFrozenLock.release();
}
@Override
public void dump(FileDescriptor fd, PrintWriter pw, String[] args) {
if (mContext.checkCallingOrSelfPermission("android.permission.DUMP")
!= PackageManager.PERMISSION_GRANTED) {
pw.println("Permission Denial: can't dump WindowManager from from pid="
+ Binder.getCallingPid()
+ ", uid=" + Binder.getCallingUid());
return;
}
pw.println("Input Dispatcher State:");
mInputManager.dump(pw);
pw.println(" ");
synchronized(mWindowMap) {
pw.println("Current Window Manager state:");
for (int i=mWindows.size()-1; i>=0; i--) {
WindowState w = (WindowState)mWindows.get(i);
pw.print(" Window #"); pw.print(i); pw.print(' ');
pw.print(w); pw.println(":");
w.dump(pw, " ");
}
if (mInputMethodDialogs.size() > 0) {
pw.println(" ");
pw.println(" Input method dialogs:");
for (int i=mInputMethodDialogs.size()-1; i>=0; i--) {
WindowState w = mInputMethodDialogs.get(i);
pw.print(" IM Dialog #"); pw.print(i); pw.print(": "); pw.println(w);
}
}
if (mPendingRemove.size() > 0) {
pw.println(" ");
pw.println(" Remove pending for:");
for (int i=mPendingRemove.size()-1; i>=0; i--) {
WindowState w = mPendingRemove.get(i);
pw.print(" Remove #"); pw.print(i); pw.print(' ');
pw.print(w); pw.println(":");
w.dump(pw, " ");
}
}
if (mForceRemoves != null && mForceRemoves.size() > 0) {
pw.println(" ");
pw.println(" Windows force removing:");
for (int i=mForceRemoves.size()-1; i>=0; i--) {
WindowState w = mForceRemoves.get(i);
pw.print(" Removing #"); pw.print(i); pw.print(' ');
pw.print(w); pw.println(":");
w.dump(pw, " ");
}
}
if (mDestroySurface.size() > 0) {
pw.println(" ");
pw.println(" Windows waiting to destroy their surface:");
for (int i=mDestroySurface.size()-1; i>=0; i--) {
WindowState w = mDestroySurface.get(i);
pw.print(" Destroy #"); pw.print(i); pw.print(' ');
pw.print(w); pw.println(":");
w.dump(pw, " ");
}
}
if (mLosingFocus.size() > 0) {
pw.println(" ");
pw.println(" Windows losing focus:");
for (int i=mLosingFocus.size()-1; i>=0; i--) {
WindowState w = mLosingFocus.get(i);
pw.print(" Losing #"); pw.print(i); pw.print(' ');
pw.print(w); pw.println(":");
w.dump(pw, " ");
}
}
if (mResizingWindows.size() > 0) {
pw.println(" ");
pw.println(" Windows waiting to resize:");
for (int i=mResizingWindows.size()-1; i>=0; i--) {
WindowState w = mResizingWindows.get(i);
pw.print(" Resizing #"); pw.print(i); pw.print(' ');
pw.print(w); pw.println(":");
w.dump(pw, " ");
}
}
if (mSessions.size() > 0) {
pw.println(" ");
pw.println(" All active sessions:");
Iterator<Session> it = mSessions.iterator();
while (it.hasNext()) {
Session s = it.next();
pw.print(" Session "); pw.print(s); pw.println(':');
s.dump(pw, " ");
}
}
if (mTokenMap.size() > 0) {
pw.println(" ");
pw.println(" All tokens:");
Iterator<WindowToken> it = mTokenMap.values().iterator();
while (it.hasNext()) {
WindowToken token = it.next();
pw.print(" Token "); pw.print(token.token); pw.println(':');
token.dump(pw, " ");
}
}
if (mTokenList.size() > 0) {
pw.println(" ");
pw.println(" Window token list:");
for (int i=0; i<mTokenList.size(); i++) {
pw.print(" #"); pw.print(i); pw.print(": ");
pw.println(mTokenList.get(i));
}
}
if (mWallpaperTokens.size() > 0) {
pw.println(" ");
pw.println(" Wallpaper tokens:");
for (int i=mWallpaperTokens.size()-1; i>=0; i--) {
WindowToken token = mWallpaperTokens.get(i);
pw.print(" Wallpaper #"); pw.print(i);
pw.print(' '); pw.print(token); pw.println(':');
token.dump(pw, " ");
}
}
if (mAppTokens.size() > 0) {
pw.println(" ");
pw.println(" Application tokens in Z order:");
for (int i=mAppTokens.size()-1; i>=0; i--) {
pw.print(" App #"); pw.print(i); pw.print(": ");
pw.println(mAppTokens.get(i));
}
}
if (mFinishedStarting.size() > 0) {
pw.println(" ");
pw.println(" Finishing start of application tokens:");
for (int i=mFinishedStarting.size()-1; i>=0; i--) {
WindowToken token = mFinishedStarting.get(i);
pw.print(" Finished Starting #"); pw.print(i);
pw.print(' '); pw.print(token); pw.println(':');
token.dump(pw, " ");
}
}
if (mExitingTokens.size() > 0) {
pw.println(" ");
pw.println(" Exiting tokens:");
for (int i=mExitingTokens.size()-1; i>=0; i--) {
WindowToken token = mExitingTokens.get(i);
pw.print(" Exiting #"); pw.print(i);
pw.print(' '); pw.print(token); pw.println(':');
token.dump(pw, " ");
}
}
if (mExitingAppTokens.size() > 0) {
pw.println(" ");
pw.println(" Exiting application tokens:");
for (int i=mExitingAppTokens.size()-1; i>=0; i--) {
WindowToken token = mExitingAppTokens.get(i);
pw.print(" Exiting App #"); pw.print(i);
pw.print(' '); pw.print(token); pw.println(':');
token.dump(pw, " ");
}
}
pw.println(" ");
pw.print(" mCurrentFocus="); pw.println(mCurrentFocus);
pw.print(" mLastFocus="); pw.println(mLastFocus);
pw.print(" mFocusedApp="); pw.println(mFocusedApp);
pw.print(" mInputMethodTarget="); pw.println(mInputMethodTarget);
pw.print(" mInputMethodWindow="); pw.println(mInputMethodWindow);
pw.print(" mWallpaperTarget="); pw.println(mWallpaperTarget);
if (mLowerWallpaperTarget != null && mUpperWallpaperTarget != null) {
pw.print(" mLowerWallpaperTarget="); pw.println(mLowerWallpaperTarget);
pw.print(" mUpperWallpaperTarget="); pw.println(mUpperWallpaperTarget);
}
pw.print(" mCurConfiguration="); pw.println(this.mCurConfiguration);
pw.print(" mInTouchMode="); pw.print(mInTouchMode);
pw.print(" mLayoutSeq="); pw.println(mLayoutSeq);
pw.print(" mSystemBooted="); pw.print(mSystemBooted);
pw.print(" mDisplayEnabled="); pw.println(mDisplayEnabled);
pw.print(" mLayoutNeeded="); pw.print(mLayoutNeeded);
pw.print(" mBlurShown="); pw.println(mBlurShown);
if (mDimAnimator != null) {
mDimAnimator.printTo(pw);
} else {
pw.println( " no DimAnimator ");
}
pw.print(" mInputMethodAnimLayerAdjustment=");
pw.print(mInputMethodAnimLayerAdjustment);
pw.print(" mWallpaperAnimLayerAdjustment=");
pw.println(mWallpaperAnimLayerAdjustment);
pw.print(" mLastWallpaperX="); pw.print(mLastWallpaperX);
pw.print(" mLastWallpaperY="); pw.println(mLastWallpaperY);
pw.print(" mDisplayFrozen="); pw.print(mDisplayFrozen);
pw.print(" mWindowsFreezingScreen="); pw.print(mWindowsFreezingScreen);
pw.print(" mAppsFreezingScreen="); pw.print(mAppsFreezingScreen);
pw.print(" mWaitingForConfig="); pw.println(mWaitingForConfig);
pw.print(" mRotation="); pw.print(mRotation);
pw.print(", mForcedAppOrientation="); pw.print(mForcedAppOrientation);
pw.print(", mRequestedRotation="); pw.println(mRequestedRotation);
pw.print(" mAnimationPending="); pw.print(mAnimationPending);
pw.print(" mWindowAnimationScale="); pw.print(mWindowAnimationScale);
pw.print(" mTransitionWindowAnimationScale="); pw.println(mTransitionAnimationScale);
pw.print(" mNextAppTransition=0x");
pw.print(Integer.toHexString(mNextAppTransition));
pw.print(", mAppTransitionReady="); pw.print(mAppTransitionReady);
pw.print(", mAppTransitionRunning="); pw.print(mAppTransitionRunning);
pw.print(", mAppTransitionTimeout="); pw.println( mAppTransitionTimeout);
if (mNextAppTransitionPackage != null) {
pw.print(" mNextAppTransitionPackage=");
pw.print(mNextAppTransitionPackage);
pw.print(", mNextAppTransitionEnter=0x");
pw.print(Integer.toHexString(mNextAppTransitionEnter));
pw.print(", mNextAppTransitionExit=0x");
pw.print(Integer.toHexString(mNextAppTransitionExit));
}
pw.print(" mStartingIconInTransition="); pw.print(mStartingIconInTransition);
pw.print(", mSkipAppTransitionAnimation="); pw.println(mSkipAppTransitionAnimation);
if (mLastEnterAnimToken != null || mLastEnterAnimToken != null) {
pw.print(" mLastEnterAnimToken="); pw.print(mLastEnterAnimToken);
pw.print(", mLastEnterAnimParams="); pw.println(mLastEnterAnimParams);
}
if (mOpeningApps.size() > 0) {
pw.print(" mOpeningApps="); pw.println(mOpeningApps);
}
if (mClosingApps.size() > 0) {
pw.print(" mClosingApps="); pw.println(mClosingApps);
}
if (mToTopApps.size() > 0) {
pw.print(" mToTopApps="); pw.println(mToTopApps);
}
if (mToBottomApps.size() > 0) {
pw.print(" mToBottomApps="); pw.println(mToBottomApps);
}
pw.print(" DisplayWidth="); pw.print(mDisplay.getWidth());
pw.print(" DisplayHeight="); pw.println(mDisplay.getHeight());
}
}
// Called by the heartbeat to ensure locks are not held indefnitely (for deadlock detection).
public void monitor() {
synchronized (mWindowMap) { }
synchronized (mKeyguardTokenWatcher) { }
}
/**
* DimAnimator class that controls the dim animation. This holds the surface and
* all state used for dim animation.
*/
private static class DimAnimator {
Surface mDimSurface;
boolean mDimShown = false;
float mDimCurrentAlpha;
float mDimTargetAlpha;
float mDimDeltaPerMs;
long mLastDimAnimTime;
int mLastDimWidth, mLastDimHeight;
DimAnimator (SurfaceSession session) {
if (mDimSurface == null) {
if (SHOW_TRANSACTIONS) Slog.i(TAG, " DIM "
+ mDimSurface + ": CREATE");
try {
mDimSurface = new Surface(session, 0,
"DimSurface",
-1, 16, 16, PixelFormat.OPAQUE,
Surface.FX_SURFACE_DIM);
mDimSurface.setAlpha(0.0f);
} catch (Exception e) {
Slog.e(TAG, "Exception creating Dim surface", e);
}
}
}
/**
* Show the dim surface.
*/
void show(int dw, int dh) {
if (!mDimShown) {
if (SHOW_TRANSACTIONS) Slog.i(TAG, " DIM " + mDimSurface + ": SHOW pos=(0,0) (" +
dw + "x" + dh + ")");
mDimShown = true;
try {
mLastDimWidth = dw;
mLastDimHeight = dh;
mDimSurface.setPosition(0, 0);
mDimSurface.setSize(dw, dh);
mDimSurface.show();
} catch (RuntimeException e) {
Slog.w(TAG, "Failure showing dim surface", e);
}
} else if (mLastDimWidth != dw || mLastDimHeight != dh) {
mLastDimWidth = dw;
mLastDimHeight = dh;
mDimSurface.setSize(dw, dh);
}
}
/**
* Set's the dim surface's layer and update dim parameters that will be used in
* {@link updateSurface} after all windows are examined.
*/
void updateParameters(WindowState w, long currentTime) {
mDimSurface.setLayer(w.mAnimLayer-1);
final float target = w.mExiting ? 0 : w.mAttrs.dimAmount;
if (SHOW_TRANSACTIONS) Slog.i(TAG, " DIM " + mDimSurface
+ ": layer=" + (w.mAnimLayer-1) + " target=" + target);
if (mDimTargetAlpha != target) {
// If the desired dim level has changed, then
// start an animation to it.
mLastDimAnimTime = currentTime;
long duration = (w.mAnimating && w.mAnimation != null)
? w.mAnimation.computeDurationHint()
: DEFAULT_DIM_DURATION;
if (target > mDimTargetAlpha) {
// This is happening behind the activity UI,
// so we can make it run a little longer to
// give a stronger impression without disrupting
// the user.
duration *= DIM_DURATION_MULTIPLIER;
}
if (duration < 1) {
// Don't divide by zero
duration = 1;
}
mDimTargetAlpha = target;
mDimDeltaPerMs = (mDimTargetAlpha-mDimCurrentAlpha) / duration;
}
}
/**
* Updating the surface's alpha. Returns true if the animation continues, or returns
* false when the animation is finished and the dim surface is hidden.
*/
boolean updateSurface(boolean dimming, long currentTime, boolean displayFrozen) {
if (!dimming) {
if (mDimTargetAlpha != 0) {
mLastDimAnimTime = currentTime;
mDimTargetAlpha = 0;
mDimDeltaPerMs = (-mDimCurrentAlpha) / DEFAULT_DIM_DURATION;
}
}
boolean animating = false;
if (mLastDimAnimTime != 0) {
mDimCurrentAlpha += mDimDeltaPerMs
* (currentTime-mLastDimAnimTime);
boolean more = true;
if (displayFrozen) {
// If the display is frozen, there is no reason to animate.
more = false;
} else if (mDimDeltaPerMs > 0) {
if (mDimCurrentAlpha > mDimTargetAlpha) {
more = false;
}
} else if (mDimDeltaPerMs < 0) {
if (mDimCurrentAlpha < mDimTargetAlpha) {
more = false;
}
} else {
more = false;
}
// Do we need to continue animating?
if (more) {
if (SHOW_TRANSACTIONS) Slog.i(TAG, " DIM "
+ mDimSurface + ": alpha=" + mDimCurrentAlpha);
mLastDimAnimTime = currentTime;
mDimSurface.setAlpha(mDimCurrentAlpha);
animating = true;
} else {
mDimCurrentAlpha = mDimTargetAlpha;
mLastDimAnimTime = 0;
if (SHOW_TRANSACTIONS) Slog.i(TAG, " DIM "
+ mDimSurface + ": final alpha=" + mDimCurrentAlpha);
mDimSurface.setAlpha(mDimCurrentAlpha);
if (!dimming) {
if (SHOW_TRANSACTIONS) Slog.i(TAG, " DIM " + mDimSurface
+ ": HIDE");
try {
mDimSurface.hide();
} catch (RuntimeException e) {
Slog.w(TAG, "Illegal argument exception hiding dim surface");
}
mDimShown = false;
}
}
}
return animating;
}
public void printTo(PrintWriter pw) {
pw.print(" mDimShown="); pw.print(mDimShown);
pw.print(" current="); pw.print(mDimCurrentAlpha);
pw.print(" target="); pw.print(mDimTargetAlpha);
pw.print(" delta="); pw.print(mDimDeltaPerMs);
pw.print(" lastAnimTime="); pw.println(mLastDimAnimTime);
}
}
/**
* Animation that fade in after 0.5 interpolate time, or fade out in reverse order.
* This is used for opening/closing transition for apps in compatible mode.
*/
private static class FadeInOutAnimation extends Animation {
int mWidth;
boolean mFadeIn;
public FadeInOutAnimation(boolean fadeIn) {
setInterpolator(new AccelerateInterpolator());
setDuration(DEFAULT_FADE_IN_OUT_DURATION);
mFadeIn = fadeIn;
}
@Override
protected void applyTransformation(float interpolatedTime, Transformation t) {
float x = interpolatedTime;
if (!mFadeIn) {
x = 1.0f - x; // reverse the interpolation for fade out
}
if (x < 0.5) {
// move the window out of the screen.
t.getMatrix().setTranslate(mWidth, 0);
} else {
t.getMatrix().setTranslate(0, 0);// show
t.setAlpha((x - 0.5f) * 2);
}
}
@Override
public void initialize(int width, int height, int parentWidth, int parentHeight) {
// width is the screen width {@see AppWindowToken#stepAnimatinoLocked}
mWidth = width;
}
@Override
public int getZAdjustment() {
return Animation.ZORDER_TOP;
}
}
}