| /* |
| * Copyright (C) 2006-2008 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 com.android.internal.content.PackageMonitor; |
| import com.android.internal.os.HandlerCaller; |
| import com.android.internal.view.IInputContext; |
| import com.android.internal.view.IInputMethod; |
| import com.android.internal.view.IInputMethodCallback; |
| import com.android.internal.view.IInputMethodClient; |
| import com.android.internal.view.IInputMethodManager; |
| import com.android.internal.view.IInputMethodSession; |
| import com.android.internal.view.InputBindResult; |
| |
| import com.android.server.StatusBarManagerService; |
| |
| import org.xmlpull.v1.XmlPullParserException; |
| |
| import android.app.ActivityManagerNative; |
| import android.app.AlertDialog; |
| import android.app.PendingIntent; |
| import android.content.ComponentName; |
| import android.content.ContentResolver; |
| import android.content.Context; |
| import android.content.DialogInterface; |
| import android.content.IntentFilter; |
| import android.content.DialogInterface.OnCancelListener; |
| import android.content.Intent; |
| import android.content.ServiceConnection; |
| import android.content.pm.ApplicationInfo; |
| import android.content.pm.PackageManager; |
| import android.content.pm.ResolveInfo; |
| import android.content.pm.ServiceInfo; |
| import android.content.res.Configuration; |
| import android.content.res.Resources; |
| import android.content.res.TypedArray; |
| import android.database.ContentObserver; |
| import android.os.Binder; |
| import android.os.Handler; |
| import android.os.IBinder; |
| import android.os.IInterface; |
| import android.os.Message; |
| import android.os.Parcel; |
| import android.os.RemoteException; |
| import android.os.ResultReceiver; |
| import android.os.ServiceManager; |
| import android.os.SystemClock; |
| import android.provider.Settings; |
| import android.provider.Settings.Secure; |
| import android.text.TextUtils; |
| import android.util.EventLog; |
| import android.util.Slog; |
| import android.util.PrintWriterPrinter; |
| import android.util.Printer; |
| import android.view.IWindowManager; |
| import android.view.WindowManager; |
| import android.view.inputmethod.InputBinding; |
| import android.view.inputmethod.InputMethod; |
| import android.view.inputmethod.InputMethodInfo; |
| import android.view.inputmethod.InputMethodManager; |
| import android.view.inputmethod.EditorInfo; |
| |
| import java.io.FileDescriptor; |
| import java.io.IOException; |
| import java.io.PrintWriter; |
| import java.util.ArrayList; |
| import java.util.HashMap; |
| import java.util.List; |
| |
| /** |
| * This class provides a system service that manages input methods. |
| */ |
| public class InputMethodManagerService extends IInputMethodManager.Stub |
| implements ServiceConnection, Handler.Callback { |
| static final boolean DEBUG = false; |
| static final String TAG = "InputManagerService"; |
| |
| static final int MSG_SHOW_IM_PICKER = 1; |
| |
| static final int MSG_UNBIND_INPUT = 1000; |
| static final int MSG_BIND_INPUT = 1010; |
| static final int MSG_SHOW_SOFT_INPUT = 1020; |
| static final int MSG_HIDE_SOFT_INPUT = 1030; |
| static final int MSG_ATTACH_TOKEN = 1040; |
| static final int MSG_CREATE_SESSION = 1050; |
| |
| static final int MSG_START_INPUT = 2000; |
| static final int MSG_RESTART_INPUT = 2010; |
| |
| static final int MSG_UNBIND_METHOD = 3000; |
| static final int MSG_BIND_METHOD = 3010; |
| |
| static final long TIME_TO_RECONNECT = 10*1000; |
| |
| final Context mContext; |
| final Handler mHandler; |
| final SettingsObserver mSettingsObserver; |
| final StatusBarManagerService mStatusBar; |
| final IWindowManager mIWindowManager; |
| final HandlerCaller mCaller; |
| |
| final InputBindResult mNoBinding = new InputBindResult(null, null, -1); |
| |
| // All known input methods. mMethodMap also serves as the global |
| // lock for this class. |
| final ArrayList<InputMethodInfo> mMethodList |
| = new ArrayList<InputMethodInfo>(); |
| final HashMap<String, InputMethodInfo> mMethodMap |
| = new HashMap<String, InputMethodInfo>(); |
| |
| final TextUtils.SimpleStringSplitter mStringColonSplitter |
| = new TextUtils.SimpleStringSplitter(':'); |
| |
| class SessionState { |
| final ClientState client; |
| final IInputMethod method; |
| final IInputMethodSession session; |
| |
| @Override |
| public String toString() { |
| return "SessionState{uid " + client.uid + " pid " + client.pid |
| + " method " + Integer.toHexString( |
| System.identityHashCode(method)) |
| + " session " + Integer.toHexString( |
| System.identityHashCode(session)) |
| + "}"; |
| } |
| |
| SessionState(ClientState _client, IInputMethod _method, |
| IInputMethodSession _session) { |
| client = _client; |
| method = _method; |
| session = _session; |
| } |
| } |
| |
| class ClientState { |
| final IInputMethodClient client; |
| final IInputContext inputContext; |
| final int uid; |
| final int pid; |
| final InputBinding binding; |
| |
| boolean sessionRequested; |
| SessionState curSession; |
| |
| @Override |
| public String toString() { |
| return "ClientState{" + Integer.toHexString( |
| System.identityHashCode(this)) + " uid " + uid |
| + " pid " + pid + "}"; |
| } |
| |
| ClientState(IInputMethodClient _client, IInputContext _inputContext, |
| int _uid, int _pid) { |
| client = _client; |
| inputContext = _inputContext; |
| uid = _uid; |
| pid = _pid; |
| binding = new InputBinding(null, inputContext.asBinder(), uid, pid); |
| } |
| } |
| |
| final HashMap<IBinder, ClientState> mClients |
| = new HashMap<IBinder, ClientState>(); |
| |
| /** |
| * Set once the system is ready to run third party code. |
| */ |
| boolean mSystemReady; |
| |
| /** |
| * Id of the currently selected input method. |
| */ |
| String mCurMethodId; |
| |
| /** |
| * The current binding sequence number, incremented every time there is |
| * a new bind performed. |
| */ |
| int mCurSeq; |
| |
| /** |
| * The client that is currently bound to an input method. |
| */ |
| ClientState mCurClient; |
| |
| /** |
| * The last window token that gained focus. |
| */ |
| IBinder mCurFocusedWindow; |
| |
| /** |
| * The input context last provided by the current client. |
| */ |
| IInputContext mCurInputContext; |
| |
| /** |
| * The attributes last provided by the current client. |
| */ |
| EditorInfo mCurAttribute; |
| |
| /** |
| * The input method ID of the input method service that we are currently |
| * connected to or in the process of connecting to. |
| */ |
| String mCurId; |
| |
| /** |
| * Set to true if our ServiceConnection is currently actively bound to |
| * a service (whether or not we have gotten its IBinder back yet). |
| */ |
| boolean mHaveConnection; |
| |
| /** |
| * Set if the client has asked for the input method to be shown. |
| */ |
| boolean mShowRequested; |
| |
| /** |
| * Set if we were explicitly told to show the input method. |
| */ |
| boolean mShowExplicitlyRequested; |
| |
| /** |
| * Set if we were forced to be shown. |
| */ |
| boolean mShowForced; |
| |
| /** |
| * Set if we last told the input method to show itself. |
| */ |
| boolean mInputShown; |
| |
| /** |
| * The Intent used to connect to the current input method. |
| */ |
| Intent mCurIntent; |
| |
| /** |
| * The token we have made for the currently active input method, to |
| * identify it in the future. |
| */ |
| IBinder mCurToken; |
| |
| /** |
| * If non-null, this is the input method service we are currently connected |
| * to. |
| */ |
| IInputMethod mCurMethod; |
| |
| /** |
| * Time that we last initiated a bind to the input method, to determine |
| * if we should try to disconnect and reconnect to it. |
| */ |
| long mLastBindTime; |
| |
| /** |
| * Have we called mCurMethod.bindInput()? |
| */ |
| boolean mBoundToMethod; |
| |
| /** |
| * Currently enabled session. Only touched by service thread, not |
| * protected by a lock. |
| */ |
| SessionState mEnabledSession; |
| |
| /** |
| * True if the screen is on. The value is true initially. |
| */ |
| boolean mScreenOn = true; |
| |
| AlertDialog.Builder mDialogBuilder; |
| AlertDialog mSwitchingDialog; |
| InputMethodInfo[] mIms; |
| CharSequence[] mItems; |
| |
| class SettingsObserver extends ContentObserver { |
| SettingsObserver(Handler handler) { |
| super(handler); |
| ContentResolver resolver = mContext.getContentResolver(); |
| resolver.registerContentObserver(Settings.Secure.getUriFor( |
| Settings.Secure.DEFAULT_INPUT_METHOD), false, this); |
| } |
| |
| @Override public void onChange(boolean selfChange) { |
| synchronized (mMethodMap) { |
| updateFromSettingsLocked(); |
| } |
| } |
| } |
| |
| class ScreenOnOffReceiver extends android.content.BroadcastReceiver { |
| @Override |
| public void onReceive(Context context, Intent intent) { |
| if (intent.getAction().equals(Intent.ACTION_SCREEN_ON)) { |
| mScreenOn = true; |
| } else if (intent.getAction().equals(Intent.ACTION_SCREEN_OFF)) { |
| mScreenOn = false; |
| } else if (intent.getAction().equals(Intent.ACTION_CLOSE_SYSTEM_DIALOGS)) { |
| hideInputMethodMenu(); |
| return; |
| } else { |
| Slog.w(TAG, "Unexpected intent " + intent); |
| } |
| |
| // Inform the current client of the change in active status |
| try { |
| if (mCurClient != null && mCurClient.client != null) { |
| mCurClient.client.setActive(mScreenOn); |
| } |
| } catch (RemoteException e) { |
| Slog.w(TAG, "Got RemoteException sending 'screen on/off' notification to pid " |
| + mCurClient.pid + " uid " + mCurClient.uid); |
| } |
| } |
| } |
| |
| class MyPackageMonitor extends PackageMonitor { |
| |
| @Override |
| public boolean onHandleForceStop(Intent intent, String[] packages, int uid, boolean doit) { |
| synchronized (mMethodMap) { |
| String curInputMethodId = Settings.Secure.getString(mContext |
| .getContentResolver(), Settings.Secure.DEFAULT_INPUT_METHOD); |
| final int N = mMethodList.size(); |
| if (curInputMethodId != null) { |
| for (int i=0; i<N; i++) { |
| InputMethodInfo imi = mMethodList.get(i); |
| if (imi.getId().equals(curInputMethodId)) { |
| for (String pkg : packages) { |
| if (imi.getPackageName().equals(pkg)) { |
| if (!doit) { |
| return true; |
| } |
| |
| Settings.Secure.putString(mContext.getContentResolver(), |
| Settings.Secure.DEFAULT_INPUT_METHOD, ""); |
| chooseNewDefaultIMELocked(); |
| return true; |
| } |
| } |
| } |
| } |
| } |
| } |
| return false; |
| } |
| |
| @Override |
| public void onSomePackagesChanged() { |
| synchronized (mMethodMap) { |
| InputMethodInfo curIm = null; |
| String curInputMethodId = Settings.Secure.getString(mContext |
| .getContentResolver(), Settings.Secure.DEFAULT_INPUT_METHOD); |
| final int N = mMethodList.size(); |
| if (curInputMethodId != null) { |
| for (int i=0; i<N; i++) { |
| InputMethodInfo imi = mMethodList.get(i); |
| if (imi.getId().equals(curInputMethodId)) { |
| curIm = imi; |
| } |
| int change = isPackageDisappearing(imi.getPackageName()); |
| if (change == PACKAGE_TEMPORARY_CHANGE |
| || change == PACKAGE_PERMANENT_CHANGE) { |
| Slog.i(TAG, "Input method uninstalled, disabling: " |
| + imi.getComponent()); |
| setInputMethodEnabledLocked(imi.getId(), false); |
| } |
| } |
| } |
| |
| buildInputMethodListLocked(mMethodList, mMethodMap); |
| |
| boolean changed = false; |
| |
| if (curIm != null) { |
| int change = isPackageDisappearing(curIm.getPackageName()); |
| if (change == PACKAGE_TEMPORARY_CHANGE |
| || change == PACKAGE_PERMANENT_CHANGE) { |
| ServiceInfo si = null; |
| try { |
| si = mContext.getPackageManager().getServiceInfo( |
| curIm.getComponent(), 0); |
| } catch (PackageManager.NameNotFoundException ex) { |
| } |
| if (si == null) { |
| // Uh oh, current input method is no longer around! |
| // Pick another one... |
| Slog.i(TAG, "Current input method removed: " + curInputMethodId); |
| if (!chooseNewDefaultIMELocked()) { |
| changed = true; |
| curIm = null; |
| curInputMethodId = ""; |
| Slog.i(TAG, "Unsetting current input method"); |
| Settings.Secure.putString(mContext.getContentResolver(), |
| Settings.Secure.DEFAULT_INPUT_METHOD, |
| curInputMethodId); |
| } |
| } |
| } |
| } |
| |
| if (curIm == null) { |
| // We currently don't have a default input method... is |
| // one now available? |
| changed = chooseNewDefaultIMELocked(); |
| } |
| |
| if (changed) { |
| updateFromSettingsLocked(); |
| } |
| } |
| } |
| } |
| |
| class MethodCallback extends IInputMethodCallback.Stub { |
| final IInputMethod mMethod; |
| |
| MethodCallback(IInputMethod method) { |
| mMethod = method; |
| } |
| |
| public void finishedEvent(int seq, boolean handled) throws RemoteException { |
| } |
| |
| public void sessionCreated(IInputMethodSession session) throws RemoteException { |
| onSessionCreated(mMethod, session); |
| } |
| } |
| |
| public InputMethodManagerService(Context context, StatusBarManagerService statusBar) { |
| mContext = context; |
| mHandler = new Handler(this); |
| mIWindowManager = IWindowManager.Stub.asInterface( |
| ServiceManager.getService(Context.WINDOW_SERVICE)); |
| mCaller = new HandlerCaller(context, new HandlerCaller.Callback() { |
| public void executeMessage(Message msg) { |
| handleMessage(msg); |
| } |
| }); |
| |
| (new MyPackageMonitor()).register(mContext, true); |
| |
| IntentFilter screenOnOffFilt = new IntentFilter(); |
| screenOnOffFilt.addAction(Intent.ACTION_SCREEN_ON); |
| screenOnOffFilt.addAction(Intent.ACTION_SCREEN_OFF); |
| screenOnOffFilt.addAction(Intent.ACTION_CLOSE_SYSTEM_DIALOGS); |
| mContext.registerReceiver(new ScreenOnOffReceiver(), screenOnOffFilt); |
| |
| buildInputMethodListLocked(mMethodList, mMethodMap); |
| |
| final String enabledStr = Settings.Secure.getString( |
| mContext.getContentResolver(), |
| Settings.Secure.ENABLED_INPUT_METHODS); |
| Slog.i(TAG, "Enabled input methods: " + enabledStr); |
| if (enabledStr == null) { |
| Slog.i(TAG, "Enabled input methods has not been set, enabling all"); |
| InputMethodInfo defIm = null; |
| StringBuilder sb = new StringBuilder(256); |
| final int N = mMethodList.size(); |
| for (int i=0; i<N; i++) { |
| InputMethodInfo imi = mMethodList.get(i); |
| Slog.i(TAG, "Adding: " + imi.getId()); |
| if (i > 0) sb.append(':'); |
| sb.append(imi.getId()); |
| if (defIm == null && imi.getIsDefaultResourceId() != 0) { |
| try { |
| Resources res = mContext.createPackageContext( |
| imi.getPackageName(), 0).getResources(); |
| if (res.getBoolean(imi.getIsDefaultResourceId())) { |
| defIm = imi; |
| Slog.i(TAG, "Selected default: " + imi.getId()); |
| } |
| } catch (PackageManager.NameNotFoundException ex) { |
| } catch (Resources.NotFoundException ex) { |
| } |
| } |
| } |
| if (defIm == null && N > 0) { |
| defIm = mMethodList.get(0); |
| Slog.i(TAG, "No default found, using " + defIm.getId()); |
| } |
| Settings.Secure.putString(mContext.getContentResolver(), |
| Settings.Secure.ENABLED_INPUT_METHODS, sb.toString()); |
| if (defIm != null) { |
| Settings.Secure.putString(mContext.getContentResolver(), |
| Settings.Secure.DEFAULT_INPUT_METHOD, defIm.getId()); |
| } |
| } |
| |
| mStatusBar = statusBar; |
| statusBar.setIconVisibility("ime", false); |
| |
| mSettingsObserver = new SettingsObserver(mHandler); |
| updateFromSettingsLocked(); |
| } |
| |
| @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 input method manager only throws security exceptions, so let's |
| // log all others. |
| if (!(e instanceof SecurityException)) { |
| Slog.e(TAG, "Input Method Manager Crash", e); |
| } |
| throw e; |
| } |
| } |
| |
| public void systemReady() { |
| synchronized (mMethodMap) { |
| if (!mSystemReady) { |
| mSystemReady = true; |
| try { |
| startInputInnerLocked(); |
| } catch (RuntimeException e) { |
| Slog.w(TAG, "Unexpected exception", e); |
| } |
| } |
| } |
| } |
| |
| public List<InputMethodInfo> getInputMethodList() { |
| synchronized (mMethodMap) { |
| return new ArrayList<InputMethodInfo>(mMethodList); |
| } |
| } |
| |
| public List<InputMethodInfo> getEnabledInputMethodList() { |
| synchronized (mMethodMap) { |
| return getEnabledInputMethodListLocked(); |
| } |
| } |
| |
| List<InputMethodInfo> getEnabledInputMethodListLocked() { |
| final ArrayList<InputMethodInfo> res = new ArrayList<InputMethodInfo>(); |
| |
| final String enabledStr = Settings.Secure.getString( |
| mContext.getContentResolver(), |
| Settings.Secure.ENABLED_INPUT_METHODS); |
| if (enabledStr != null) { |
| final TextUtils.SimpleStringSplitter splitter = mStringColonSplitter; |
| splitter.setString(enabledStr); |
| |
| while (splitter.hasNext()) { |
| InputMethodInfo info = mMethodMap.get(splitter.next()); |
| if (info != null) { |
| res.add(info); |
| } |
| } |
| } |
| |
| return res; |
| } |
| |
| public void addClient(IInputMethodClient client, |
| IInputContext inputContext, int uid, int pid) { |
| synchronized (mMethodMap) { |
| mClients.put(client.asBinder(), new ClientState(client, |
| inputContext, uid, pid)); |
| } |
| } |
| |
| public void removeClient(IInputMethodClient client) { |
| synchronized (mMethodMap) { |
| mClients.remove(client.asBinder()); |
| } |
| } |
| |
| void executeOrSendMessage(IInterface target, Message msg) { |
| if (target.asBinder() instanceof Binder) { |
| mCaller.sendMessage(msg); |
| } else { |
| handleMessage(msg); |
| msg.recycle(); |
| } |
| } |
| |
| void unbindCurrentClientLocked() { |
| if (mCurClient != null) { |
| if (DEBUG) Slog.v(TAG, "unbindCurrentInputLocked: client = " |
| + mCurClient.client.asBinder()); |
| if (mBoundToMethod) { |
| mBoundToMethod = false; |
| if (mCurMethod != null) { |
| executeOrSendMessage(mCurMethod, mCaller.obtainMessageO( |
| MSG_UNBIND_INPUT, mCurMethod)); |
| } |
| } |
| executeOrSendMessage(mCurClient.client, mCaller.obtainMessageIO( |
| MSG_UNBIND_METHOD, mCurSeq, mCurClient.client)); |
| mCurClient.sessionRequested = false; |
| |
| // Call setActive(false) on the old client |
| try { |
| mCurClient.client.setActive(false); |
| } catch (RemoteException e) { |
| Slog.w(TAG, "Got RemoteException sending setActive(false) notification to pid " |
| + mCurClient.pid + " uid " + mCurClient.uid); |
| } |
| mCurClient = null; |
| |
| hideInputMethodMenuLocked(); |
| } |
| } |
| |
| private int getImeShowFlags() { |
| int flags = 0; |
| if (mShowForced) { |
| flags |= InputMethod.SHOW_FORCED |
| | InputMethod.SHOW_EXPLICIT; |
| } else if (mShowExplicitlyRequested) { |
| flags |= InputMethod.SHOW_EXPLICIT; |
| } |
| return flags; |
| } |
| |
| private int getAppShowFlags() { |
| int flags = 0; |
| if (mShowForced) { |
| flags |= InputMethodManager.SHOW_FORCED; |
| } else if (!mShowExplicitlyRequested) { |
| flags |= InputMethodManager.SHOW_IMPLICIT; |
| } |
| return flags; |
| } |
| |
| InputBindResult attachNewInputLocked(boolean initial, boolean needResult) { |
| if (!mBoundToMethod) { |
| executeOrSendMessage(mCurMethod, mCaller.obtainMessageOO( |
| MSG_BIND_INPUT, mCurMethod, mCurClient.binding)); |
| mBoundToMethod = true; |
| } |
| final SessionState session = mCurClient.curSession; |
| if (initial) { |
| executeOrSendMessage(session.method, mCaller.obtainMessageOOO( |
| MSG_START_INPUT, session, mCurInputContext, mCurAttribute)); |
| } else { |
| executeOrSendMessage(session.method, mCaller.obtainMessageOOO( |
| MSG_RESTART_INPUT, session, mCurInputContext, mCurAttribute)); |
| } |
| if (mShowRequested) { |
| if (DEBUG) Slog.v(TAG, "Attach new input asks to show input"); |
| showCurrentInputLocked(getAppShowFlags(), null); |
| } |
| return needResult |
| ? new InputBindResult(session.session, mCurId, mCurSeq) |
| : null; |
| } |
| |
| InputBindResult startInputLocked(IInputMethodClient client, |
| IInputContext inputContext, EditorInfo attribute, |
| boolean initial, boolean needResult) { |
| // If no method is currently selected, do nothing. |
| if (mCurMethodId == null) { |
| return mNoBinding; |
| } |
| |
| ClientState cs = mClients.get(client.asBinder()); |
| if (cs == null) { |
| throw new IllegalArgumentException("unknown client " |
| + client.asBinder()); |
| } |
| |
| try { |
| if (!mIWindowManager.inputMethodClientHasFocus(cs.client)) { |
| // Check with the window manager to make sure this client actually |
| // has a window with focus. If not, reject. This is thread safe |
| // because if the focus changes some time before or after, the |
| // next client receiving focus that has any interest in input will |
| // be calling through here after that change happens. |
| Slog.w(TAG, "Starting input on non-focused client " + cs.client |
| + " (uid=" + cs.uid + " pid=" + cs.pid + ")"); |
| return null; |
| } |
| } catch (RemoteException e) { |
| } |
| |
| if (mCurClient != cs) { |
| // If the client is changing, we need to switch over to the new |
| // one. |
| unbindCurrentClientLocked(); |
| if (DEBUG) Slog.v(TAG, "switching to client: client = " |
| + cs.client.asBinder()); |
| |
| // If the screen is on, inform the new client it is active |
| if (mScreenOn) { |
| try { |
| cs.client.setActive(mScreenOn); |
| } catch (RemoteException e) { |
| Slog.w(TAG, "Got RemoteException sending setActive notification to pid " |
| + cs.pid + " uid " + cs.uid); |
| } |
| } |
| } |
| |
| // Bump up the sequence for this client and attach it. |
| mCurSeq++; |
| if (mCurSeq <= 0) mCurSeq = 1; |
| mCurClient = cs; |
| mCurInputContext = inputContext; |
| mCurAttribute = attribute; |
| |
| // Check if the input method is changing. |
| if (mCurId != null && mCurId.equals(mCurMethodId)) { |
| if (cs.curSession != null) { |
| // Fast case: if we are already connected to the input method, |
| // then just return it. |
| return attachNewInputLocked(initial, needResult); |
| } |
| if (mHaveConnection) { |
| if (mCurMethod != null) { |
| if (!cs.sessionRequested) { |
| cs.sessionRequested = true; |
| if (DEBUG) Slog.v(TAG, "Creating new session for client " + cs); |
| executeOrSendMessage(mCurMethod, mCaller.obtainMessageOO( |
| MSG_CREATE_SESSION, mCurMethod, |
| new MethodCallback(mCurMethod))); |
| } |
| // Return to client, and we will get back with it when |
| // we have had a session made for it. |
| return new InputBindResult(null, mCurId, mCurSeq); |
| } else if (SystemClock.uptimeMillis() |
| < (mLastBindTime+TIME_TO_RECONNECT)) { |
| // In this case we have connected to the service, but |
| // don't yet have its interface. If it hasn't been too |
| // long since we did the connection, we'll return to |
| // the client and wait to get the service interface so |
| // we can report back. If it has been too long, we want |
| // to fall through so we can try a disconnect/reconnect |
| // to see if we can get back in touch with the service. |
| return new InputBindResult(null, mCurId, mCurSeq); |
| } else { |
| EventLog.writeEvent(EventLogTags.IMF_FORCE_RECONNECT_IME, |
| mCurMethodId, SystemClock.uptimeMillis()-mLastBindTime, 0); |
| } |
| } |
| } |
| |
| return startInputInnerLocked(); |
| } |
| |
| InputBindResult startInputInnerLocked() { |
| if (mCurMethodId == null) { |
| return mNoBinding; |
| } |
| |
| if (!mSystemReady) { |
| // If the system is not yet ready, we shouldn't be running third |
| // party code. |
| return new InputBindResult(null, mCurMethodId, mCurSeq); |
| } |
| |
| InputMethodInfo info = mMethodMap.get(mCurMethodId); |
| if (info == null) { |
| throw new IllegalArgumentException("Unknown id: " + mCurMethodId); |
| } |
| |
| unbindCurrentMethodLocked(false); |
| |
| mCurIntent = new Intent(InputMethod.SERVICE_INTERFACE); |
| mCurIntent.setComponent(info.getComponent()); |
| mCurIntent.putExtra(Intent.EXTRA_CLIENT_LABEL, |
| com.android.internal.R.string.input_method_binding_label); |
| mCurIntent.putExtra(Intent.EXTRA_CLIENT_INTENT, PendingIntent.getActivity( |
| mContext, 0, new Intent(Settings.ACTION_INPUT_METHOD_SETTINGS), 0)); |
| if (mContext.bindService(mCurIntent, this, Context.BIND_AUTO_CREATE)) { |
| mLastBindTime = SystemClock.uptimeMillis(); |
| mHaveConnection = true; |
| mCurId = info.getId(); |
| mCurToken = new Binder(); |
| try { |
| if (DEBUG) Slog.v(TAG, "Adding window token: " + mCurToken); |
| mIWindowManager.addWindowToken(mCurToken, |
| WindowManager.LayoutParams.TYPE_INPUT_METHOD); |
| } catch (RemoteException e) { |
| } |
| return new InputBindResult(null, mCurId, mCurSeq); |
| } else { |
| mCurIntent = null; |
| Slog.w(TAG, "Failure connecting to input method service: " |
| + mCurIntent); |
| } |
| return null; |
| } |
| |
| public InputBindResult startInput(IInputMethodClient client, |
| IInputContext inputContext, EditorInfo attribute, |
| boolean initial, boolean needResult) { |
| synchronized (mMethodMap) { |
| final long ident = Binder.clearCallingIdentity(); |
| try { |
| return startInputLocked(client, inputContext, attribute, |
| initial, needResult); |
| } finally { |
| Binder.restoreCallingIdentity(ident); |
| } |
| } |
| } |
| |
| public void finishInput(IInputMethodClient client) { |
| } |
| |
| public void onServiceConnected(ComponentName name, IBinder service) { |
| synchronized (mMethodMap) { |
| if (mCurIntent != null && name.equals(mCurIntent.getComponent())) { |
| mCurMethod = IInputMethod.Stub.asInterface(service); |
| if (mCurToken == null) { |
| Slog.w(TAG, "Service connected without a token!"); |
| unbindCurrentMethodLocked(false); |
| return; |
| } |
| if (DEBUG) Slog.v(TAG, "Initiating attach with token: " + mCurToken); |
| executeOrSendMessage(mCurMethod, mCaller.obtainMessageOO( |
| MSG_ATTACH_TOKEN, mCurMethod, mCurToken)); |
| if (mCurClient != null) { |
| if (DEBUG) Slog.v(TAG, "Creating first session while with client " |
| + mCurClient); |
| executeOrSendMessage(mCurMethod, mCaller.obtainMessageOO( |
| MSG_CREATE_SESSION, mCurMethod, |
| new MethodCallback(mCurMethod))); |
| } |
| } |
| } |
| } |
| |
| void onSessionCreated(IInputMethod method, IInputMethodSession session) { |
| synchronized (mMethodMap) { |
| if (mCurMethod != null && method != null |
| && mCurMethod.asBinder() == method.asBinder()) { |
| if (mCurClient != null) { |
| mCurClient.curSession = new SessionState(mCurClient, |
| method, session); |
| mCurClient.sessionRequested = false; |
| InputBindResult res = attachNewInputLocked(true, true); |
| if (res.method != null) { |
| executeOrSendMessage(mCurClient.client, mCaller.obtainMessageOO( |
| MSG_BIND_METHOD, mCurClient.client, res)); |
| } |
| } |
| } |
| } |
| } |
| |
| void unbindCurrentMethodLocked(boolean reportToClient) { |
| if (mHaveConnection) { |
| mContext.unbindService(this); |
| mHaveConnection = false; |
| } |
| |
| if (mCurToken != null) { |
| try { |
| if (DEBUG) Slog.v(TAG, "Removing window token: " + mCurToken); |
| mIWindowManager.removeWindowToken(mCurToken); |
| } catch (RemoteException e) { |
| } |
| mCurToken = null; |
| } |
| |
| mCurId = null; |
| clearCurMethodLocked(); |
| |
| if (reportToClient && mCurClient != null) { |
| executeOrSendMessage(mCurClient.client, mCaller.obtainMessageIO( |
| MSG_UNBIND_METHOD, mCurSeq, mCurClient.client)); |
| } |
| } |
| |
| private void finishSession(SessionState sessionState) { |
| if (sessionState != null && sessionState.session != null) { |
| try { |
| sessionState.session.finishSession(); |
| } catch (RemoteException e) { |
| Slog.w(TAG, "Session failed to close due to remote exception", e); |
| } |
| } |
| } |
| |
| void clearCurMethodLocked() { |
| if (mCurMethod != null) { |
| for (ClientState cs : mClients.values()) { |
| cs.sessionRequested = false; |
| finishSession(cs.curSession); |
| cs.curSession = null; |
| } |
| |
| finishSession(mEnabledSession); |
| mEnabledSession = null; |
| mCurMethod = null; |
| } |
| mStatusBar.setIconVisibility("ime", false); |
| } |
| |
| public void onServiceDisconnected(ComponentName name) { |
| synchronized (mMethodMap) { |
| if (DEBUG) Slog.v(TAG, "Service disconnected: " + name |
| + " mCurIntent=" + mCurIntent); |
| if (mCurMethod != null && mCurIntent != null |
| && name.equals(mCurIntent.getComponent())) { |
| clearCurMethodLocked(); |
| // We consider this to be a new bind attempt, since the system |
| // should now try to restart the service for us. |
| mLastBindTime = SystemClock.uptimeMillis(); |
| mShowRequested = mInputShown; |
| mInputShown = false; |
| if (mCurClient != null) { |
| executeOrSendMessage(mCurClient.client, mCaller.obtainMessageIO( |
| MSG_UNBIND_METHOD, mCurSeq, mCurClient.client)); |
| } |
| } |
| } |
| } |
| |
| public void updateStatusIcon(IBinder token, String packageName, int iconId) { |
| long ident = Binder.clearCallingIdentity(); |
| try { |
| if (token == null || mCurToken != token) { |
| Slog.w(TAG, "Ignoring setInputMethod of token: " + token); |
| return; |
| } |
| |
| synchronized (mMethodMap) { |
| if (iconId == 0) { |
| if (DEBUG) Slog.d(TAG, "hide the small icon for the input method"); |
| mStatusBar.setIconVisibility("ime", false); |
| } else if (packageName != null) { |
| if (DEBUG) Slog.d(TAG, "show a small icon for the input method"); |
| mStatusBar.setIcon("ime", packageName, iconId, 0); |
| mStatusBar.setIconVisibility("ime", true); |
| } |
| } |
| } finally { |
| Binder.restoreCallingIdentity(ident); |
| } |
| } |
| |
| void updateFromSettingsLocked() { |
| // We are assuming that whoever is changing DEFAULT_INPUT_METHOD and |
| // ENABLED_INPUT_METHODS is taking care of keeping them correctly in |
| // sync, so we will never have a DEFAULT_INPUT_METHOD that is not |
| // enabled. |
| String id = Settings.Secure.getString(mContext.getContentResolver(), |
| Settings.Secure.DEFAULT_INPUT_METHOD); |
| if (id != null && id.length() > 0) { |
| try { |
| setInputMethodLocked(id); |
| } catch (IllegalArgumentException e) { |
| Slog.w(TAG, "Unknown input method from prefs: " + id, e); |
| mCurMethodId = null; |
| unbindCurrentMethodLocked(true); |
| } |
| } else { |
| // There is no longer an input method set, so stop any current one. |
| mCurMethodId = null; |
| unbindCurrentMethodLocked(true); |
| } |
| } |
| |
| void setInputMethodLocked(String id) { |
| InputMethodInfo info = mMethodMap.get(id); |
| if (info == null) { |
| throw new IllegalArgumentException("Unknown id: " + mCurMethodId); |
| } |
| |
| if (id.equals(mCurMethodId)) { |
| return; |
| } |
| |
| final long ident = Binder.clearCallingIdentity(); |
| try { |
| mCurMethodId = id; |
| Settings.Secure.putString(mContext.getContentResolver(), |
| Settings.Secure.DEFAULT_INPUT_METHOD, id); |
| |
| if (ActivityManagerNative.isSystemReady()) { |
| Intent intent = new Intent(Intent.ACTION_INPUT_METHOD_CHANGED); |
| intent.addFlags(Intent.FLAG_RECEIVER_REPLACE_PENDING); |
| intent.putExtra("input_method_id", id); |
| mContext.sendBroadcast(intent); |
| } |
| unbindCurrentClientLocked(); |
| } finally { |
| Binder.restoreCallingIdentity(ident); |
| } |
| } |
| |
| public boolean showSoftInput(IInputMethodClient client, int flags, |
| ResultReceiver resultReceiver) { |
| long ident = Binder.clearCallingIdentity(); |
| try { |
| synchronized (mMethodMap) { |
| if (mCurClient == null || client == null |
| || mCurClient.client.asBinder() != client.asBinder()) { |
| try { |
| // We need to check if this is the current client with |
| // focus in the window manager, to allow this call to |
| // be made before input is started in it. |
| if (!mIWindowManager.inputMethodClientHasFocus(client)) { |
| Slog.w(TAG, "Ignoring showSoftInput of: " + client); |
| return false; |
| } |
| } catch (RemoteException e) { |
| return false; |
| } |
| } |
| |
| if (DEBUG) Slog.v(TAG, "Client requesting input be shown"); |
| return showCurrentInputLocked(flags, resultReceiver); |
| } |
| } finally { |
| Binder.restoreCallingIdentity(ident); |
| } |
| } |
| |
| boolean showCurrentInputLocked(int flags, ResultReceiver resultReceiver) { |
| mShowRequested = true; |
| if ((flags&InputMethodManager.SHOW_IMPLICIT) == 0) { |
| mShowExplicitlyRequested = true; |
| } |
| if ((flags&InputMethodManager.SHOW_FORCED) != 0) { |
| mShowExplicitlyRequested = true; |
| mShowForced = true; |
| } |
| |
| if (!mSystemReady) { |
| return false; |
| } |
| |
| boolean res = false; |
| if (mCurMethod != null) { |
| executeOrSendMessage(mCurMethod, mCaller.obtainMessageIOO( |
| MSG_SHOW_SOFT_INPUT, getImeShowFlags(), mCurMethod, |
| resultReceiver)); |
| mInputShown = true; |
| res = true; |
| } else if (mHaveConnection && SystemClock.uptimeMillis() |
| < (mLastBindTime+TIME_TO_RECONNECT)) { |
| // The client has asked to have the input method shown, but |
| // we have been sitting here too long with a connection to the |
| // service and no interface received, so let's disconnect/connect |
| // to try to prod things along. |
| EventLog.writeEvent(EventLogTags.IMF_FORCE_RECONNECT_IME, mCurMethodId, |
| SystemClock.uptimeMillis()-mLastBindTime,1); |
| mContext.unbindService(this); |
| mContext.bindService(mCurIntent, this, Context.BIND_AUTO_CREATE); |
| } |
| |
| return res; |
| } |
| |
| public boolean hideSoftInput(IInputMethodClient client, int flags, |
| ResultReceiver resultReceiver) { |
| long ident = Binder.clearCallingIdentity(); |
| try { |
| synchronized (mMethodMap) { |
| if (mCurClient == null || client == null |
| || mCurClient.client.asBinder() != client.asBinder()) { |
| try { |
| // We need to check if this is the current client with |
| // focus in the window manager, to allow this call to |
| // be made before input is started in it. |
| if (!mIWindowManager.inputMethodClientHasFocus(client)) { |
| Slog.w(TAG, "Ignoring hideSoftInput of: " + client); |
| return false; |
| } |
| } catch (RemoteException e) { |
| return false; |
| } |
| } |
| |
| if (DEBUG) Slog.v(TAG, "Client requesting input be hidden"); |
| return hideCurrentInputLocked(flags, resultReceiver); |
| } |
| } finally { |
| Binder.restoreCallingIdentity(ident); |
| } |
| } |
| |
| boolean hideCurrentInputLocked(int flags, ResultReceiver resultReceiver) { |
| if ((flags&InputMethodManager.HIDE_IMPLICIT_ONLY) != 0 |
| && (mShowExplicitlyRequested || mShowForced)) { |
| if (DEBUG) Slog.v(TAG, |
| "Not hiding: explicit show not cancelled by non-explicit hide"); |
| return false; |
| } |
| if (mShowForced && (flags&InputMethodManager.HIDE_NOT_ALWAYS) != 0) { |
| if (DEBUG) Slog.v(TAG, |
| "Not hiding: forced show not cancelled by not-always hide"); |
| return false; |
| } |
| boolean res; |
| if (mInputShown && mCurMethod != null) { |
| executeOrSendMessage(mCurMethod, mCaller.obtainMessageOO( |
| MSG_HIDE_SOFT_INPUT, mCurMethod, resultReceiver)); |
| res = true; |
| } else { |
| res = false; |
| } |
| mInputShown = false; |
| mShowRequested = false; |
| mShowExplicitlyRequested = false; |
| mShowForced = false; |
| return res; |
| } |
| |
| public void windowGainedFocus(IInputMethodClient client, IBinder windowToken, |
| boolean viewHasFocus, boolean isTextEditor, int softInputMode, |
| boolean first, int windowFlags) { |
| long ident = Binder.clearCallingIdentity(); |
| try { |
| synchronized (mMethodMap) { |
| if (DEBUG) Slog.v(TAG, "windowGainedFocus: " + client.asBinder() |
| + " viewHasFocus=" + viewHasFocus |
| + " isTextEditor=" + isTextEditor |
| + " softInputMode=#" + Integer.toHexString(softInputMode) |
| + " first=" + first + " flags=#" |
| + Integer.toHexString(windowFlags)); |
| |
| if (mCurClient == null || client == null |
| || mCurClient.client.asBinder() != client.asBinder()) { |
| try { |
| // We need to check if this is the current client with |
| // focus in the window manager, to allow this call to |
| // be made before input is started in it. |
| if (!mIWindowManager.inputMethodClientHasFocus(client)) { |
| Slog.w(TAG, "Client not active, ignoring focus gain of: " + client); |
| return; |
| } |
| } catch (RemoteException e) { |
| } |
| } |
| |
| if (mCurFocusedWindow == windowToken) { |
| Slog.w(TAG, "Window already focused, ignoring focus gain of: " + client); |
| return; |
| } |
| mCurFocusedWindow = windowToken; |
| |
| switch (softInputMode&WindowManager.LayoutParams.SOFT_INPUT_MASK_STATE) { |
| case WindowManager.LayoutParams.SOFT_INPUT_STATE_UNSPECIFIED: |
| if (!isTextEditor || (softInputMode & |
| WindowManager.LayoutParams.SOFT_INPUT_MASK_ADJUST) |
| != WindowManager.LayoutParams.SOFT_INPUT_ADJUST_RESIZE) { |
| if (WindowManager.LayoutParams.mayUseInputMethod(windowFlags)) { |
| // There is no focus view, and this window will |
| // be behind any soft input window, so hide the |
| // soft input window if it is shown. |
| if (DEBUG) Slog.v(TAG, "Unspecified window will hide input"); |
| hideCurrentInputLocked(InputMethodManager.HIDE_NOT_ALWAYS, null); |
| } |
| } else if (isTextEditor && (softInputMode & |
| WindowManager.LayoutParams.SOFT_INPUT_MASK_ADJUST) |
| == WindowManager.LayoutParams.SOFT_INPUT_ADJUST_RESIZE |
| && (softInputMode & |
| WindowManager.LayoutParams.SOFT_INPUT_IS_FORWARD_NAVIGATION) != 0) { |
| // There is a focus view, and we are navigating forward |
| // into the window, so show the input window for the user. |
| if (DEBUG) Slog.v(TAG, "Unspecified window will show input"); |
| showCurrentInputLocked(InputMethodManager.SHOW_IMPLICIT, null); |
| } |
| break; |
| case WindowManager.LayoutParams.SOFT_INPUT_STATE_UNCHANGED: |
| // Do nothing. |
| break; |
| case WindowManager.LayoutParams.SOFT_INPUT_STATE_HIDDEN: |
| if ((softInputMode & |
| WindowManager.LayoutParams.SOFT_INPUT_IS_FORWARD_NAVIGATION) != 0) { |
| if (DEBUG) Slog.v(TAG, "Window asks to hide input going forward"); |
| hideCurrentInputLocked(0, null); |
| } |
| break; |
| case WindowManager.LayoutParams.SOFT_INPUT_STATE_ALWAYS_HIDDEN: |
| if (DEBUG) Slog.v(TAG, "Window asks to hide input"); |
| hideCurrentInputLocked(0, null); |
| break; |
| case WindowManager.LayoutParams.SOFT_INPUT_STATE_VISIBLE: |
| if ((softInputMode & |
| WindowManager.LayoutParams.SOFT_INPUT_IS_FORWARD_NAVIGATION) != 0) { |
| if (DEBUG) Slog.v(TAG, "Window asks to show input going forward"); |
| showCurrentInputLocked(InputMethodManager.SHOW_IMPLICIT, null); |
| } |
| break; |
| case WindowManager.LayoutParams.SOFT_INPUT_STATE_ALWAYS_VISIBLE: |
| if (DEBUG) Slog.v(TAG, "Window asks to always show input"); |
| showCurrentInputLocked(InputMethodManager.SHOW_IMPLICIT, null); |
| break; |
| } |
| } |
| } finally { |
| Binder.restoreCallingIdentity(ident); |
| } |
| } |
| |
| public void showInputMethodPickerFromClient(IInputMethodClient client) { |
| synchronized (mMethodMap) { |
| if (mCurClient == null || client == null |
| || mCurClient.client.asBinder() != client.asBinder()) { |
| Slog.w(TAG, "Ignoring showInputMethodDialogFromClient of: " + client); |
| } |
| |
| mHandler.sendEmptyMessage(MSG_SHOW_IM_PICKER); |
| } |
| } |
| |
| public void setInputMethod(IBinder token, String id) { |
| synchronized (mMethodMap) { |
| if (token == null) { |
| if (mContext.checkCallingOrSelfPermission( |
| android.Manifest.permission.WRITE_SECURE_SETTINGS) |
| != PackageManager.PERMISSION_GRANTED) { |
| throw new SecurityException( |
| "Using null token requires permission " |
| + android.Manifest.permission.WRITE_SECURE_SETTINGS); |
| } |
| } else if (mCurToken != token) { |
| Slog.w(TAG, "Ignoring setInputMethod of token: " + token); |
| return; |
| } |
| |
| long ident = Binder.clearCallingIdentity(); |
| try { |
| setInputMethodLocked(id); |
| } finally { |
| Binder.restoreCallingIdentity(ident); |
| } |
| } |
| } |
| |
| public void hideMySoftInput(IBinder token, int flags) { |
| synchronized (mMethodMap) { |
| if (token == null || mCurToken != token) { |
| Slog.w(TAG, "Ignoring hideInputMethod of token: " + token); |
| return; |
| } |
| long ident = Binder.clearCallingIdentity(); |
| try { |
| hideCurrentInputLocked(flags, null); |
| } finally { |
| Binder.restoreCallingIdentity(ident); |
| } |
| } |
| } |
| |
| public void showMySoftInput(IBinder token, int flags) { |
| synchronized (mMethodMap) { |
| if (token == null || mCurToken != token) { |
| Slog.w(TAG, "Ignoring hideInputMethod of token: " + token); |
| return; |
| } |
| long ident = Binder.clearCallingIdentity(); |
| try { |
| showCurrentInputLocked(flags, null); |
| } finally { |
| Binder.restoreCallingIdentity(ident); |
| } |
| } |
| } |
| |
| void setEnabledSessionInMainThread(SessionState session) { |
| if (mEnabledSession != session) { |
| if (mEnabledSession != null) { |
| try { |
| if (DEBUG) Slog.v(TAG, "Disabling: " + mEnabledSession); |
| mEnabledSession.method.setSessionEnabled( |
| mEnabledSession.session, false); |
| } catch (RemoteException e) { |
| } |
| } |
| mEnabledSession = session; |
| try { |
| if (DEBUG) Slog.v(TAG, "Enabling: " + mEnabledSession); |
| session.method.setSessionEnabled( |
| session.session, true); |
| } catch (RemoteException e) { |
| } |
| } |
| } |
| |
| public boolean handleMessage(Message msg) { |
| HandlerCaller.SomeArgs args; |
| switch (msg.what) { |
| case MSG_SHOW_IM_PICKER: |
| showInputMethodMenu(); |
| return true; |
| |
| // --------------------------------------------------------- |
| |
| case MSG_UNBIND_INPUT: |
| try { |
| ((IInputMethod)msg.obj).unbindInput(); |
| } catch (RemoteException e) { |
| // There is nothing interesting about the method dying. |
| } |
| return true; |
| case MSG_BIND_INPUT: |
| args = (HandlerCaller.SomeArgs)msg.obj; |
| try { |
| ((IInputMethod)args.arg1).bindInput((InputBinding)args.arg2); |
| } catch (RemoteException e) { |
| } |
| return true; |
| case MSG_SHOW_SOFT_INPUT: |
| args = (HandlerCaller.SomeArgs)msg.obj; |
| try { |
| ((IInputMethod)args.arg1).showSoftInput(msg.arg1, |
| (ResultReceiver)args.arg2); |
| } catch (RemoteException e) { |
| } |
| return true; |
| case MSG_HIDE_SOFT_INPUT: |
| args = (HandlerCaller.SomeArgs)msg.obj; |
| try { |
| ((IInputMethod)args.arg1).hideSoftInput(0, |
| (ResultReceiver)args.arg2); |
| } catch (RemoteException e) { |
| } |
| return true; |
| case MSG_ATTACH_TOKEN: |
| args = (HandlerCaller.SomeArgs)msg.obj; |
| try { |
| if (DEBUG) Slog.v(TAG, "Sending attach of token: " + args.arg2); |
| ((IInputMethod)args.arg1).attachToken((IBinder)args.arg2); |
| } catch (RemoteException e) { |
| } |
| return true; |
| case MSG_CREATE_SESSION: |
| args = (HandlerCaller.SomeArgs)msg.obj; |
| try { |
| ((IInputMethod)args.arg1).createSession( |
| (IInputMethodCallback)args.arg2); |
| } catch (RemoteException e) { |
| } |
| return true; |
| // --------------------------------------------------------- |
| |
| case MSG_START_INPUT: |
| args = (HandlerCaller.SomeArgs)msg.obj; |
| try { |
| SessionState session = (SessionState)args.arg1; |
| setEnabledSessionInMainThread(session); |
| session.method.startInput((IInputContext)args.arg2, |
| (EditorInfo)args.arg3); |
| } catch (RemoteException e) { |
| } |
| return true; |
| case MSG_RESTART_INPUT: |
| args = (HandlerCaller.SomeArgs)msg.obj; |
| try { |
| SessionState session = (SessionState)args.arg1; |
| setEnabledSessionInMainThread(session); |
| session.method.restartInput((IInputContext)args.arg2, |
| (EditorInfo)args.arg3); |
| } catch (RemoteException e) { |
| } |
| return true; |
| |
| // --------------------------------------------------------- |
| |
| case MSG_UNBIND_METHOD: |
| try { |
| ((IInputMethodClient)msg.obj).onUnbindMethod(msg.arg1); |
| } catch (RemoteException e) { |
| // There is nothing interesting about the last client dying. |
| } |
| return true; |
| case MSG_BIND_METHOD: |
| args = (HandlerCaller.SomeArgs)msg.obj; |
| try { |
| ((IInputMethodClient)args.arg1).onBindMethod( |
| (InputBindResult)args.arg2); |
| } catch (RemoteException e) { |
| Slog.w(TAG, "Client died receiving input method " + args.arg2); |
| } |
| return true; |
| } |
| return false; |
| } |
| |
| private boolean isSystemIme(InputMethodInfo inputMethod) { |
| return (inputMethod.getServiceInfo().applicationInfo.flags |
| & ApplicationInfo.FLAG_SYSTEM) != 0; |
| } |
| |
| private boolean chooseNewDefaultIMELocked() { |
| List<InputMethodInfo> enabled = getEnabledInputMethodListLocked(); |
| if (enabled != null && enabled.size() > 0) { |
| // We'd prefer to fall back on a system IME, since that is safer. |
| int i=enabled.size(); |
| while (i > 0) { |
| i--; |
| if ((enabled.get(i).getServiceInfo().applicationInfo.flags |
| & ApplicationInfo.FLAG_SYSTEM) != 0) { |
| break; |
| } |
| } |
| Settings.Secure.putString(mContext.getContentResolver(), |
| Settings.Secure.DEFAULT_INPUT_METHOD, |
| enabled.get(i).getId()); |
| return true; |
| } |
| |
| return false; |
| } |
| |
| void buildInputMethodListLocked(ArrayList<InputMethodInfo> list, |
| HashMap<String, InputMethodInfo> map) { |
| list.clear(); |
| map.clear(); |
| |
| PackageManager pm = mContext.getPackageManager(); |
| final Configuration config = mContext.getResources().getConfiguration(); |
| final boolean haveHardKeyboard = config.keyboard == Configuration.KEYBOARD_QWERTY; |
| String disabledSysImes = Settings.Secure.getString(mContext.getContentResolver(), |
| Secure.DISABLED_SYSTEM_INPUT_METHODS); |
| if (disabledSysImes == null) disabledSysImes = ""; |
| |
| List<ResolveInfo> services = pm.queryIntentServices( |
| new Intent(InputMethod.SERVICE_INTERFACE), |
| PackageManager.GET_META_DATA); |
| |
| for (int i = 0; i < services.size(); ++i) { |
| ResolveInfo ri = services.get(i); |
| ServiceInfo si = ri.serviceInfo; |
| ComponentName compName = new ComponentName(si.packageName, si.name); |
| if (!android.Manifest.permission.BIND_INPUT_METHOD.equals( |
| si.permission)) { |
| Slog.w(TAG, "Skipping input method " + compName |
| + ": it does not require the permission " |
| + android.Manifest.permission.BIND_INPUT_METHOD); |
| continue; |
| } |
| |
| if (DEBUG) Slog.d(TAG, "Checking " + compName); |
| |
| try { |
| InputMethodInfo p = new InputMethodInfo(mContext, ri); |
| list.add(p); |
| final String id = p.getId(); |
| map.put(id, p); |
| |
| // System IMEs are enabled by default, unless there's a hard keyboard |
| // and the system IME was explicitly disabled |
| if (isSystemIme(p) && (!haveHardKeyboard || disabledSysImes.indexOf(id) < 0)) { |
| setInputMethodEnabledLocked(id, true); |
| } |
| |
| if (DEBUG) { |
| Slog.d(TAG, "Found a third-party input method " + p); |
| } |
| |
| } catch (XmlPullParserException e) { |
| Slog.w(TAG, "Unable to load input method " + compName, e); |
| } catch (IOException e) { |
| Slog.w(TAG, "Unable to load input method " + compName, e); |
| } |
| } |
| |
| String defaultIme = Settings.Secure.getString(mContext |
| .getContentResolver(), Settings.Secure.DEFAULT_INPUT_METHOD); |
| if (!map.containsKey(defaultIme)) { |
| if (chooseNewDefaultIMELocked()) { |
| updateFromSettingsLocked(); |
| } |
| } |
| } |
| |
| // ---------------------------------------------------------------------- |
| |
| void showInputMethodMenu() { |
| if (DEBUG) Slog.v(TAG, "Show switching menu"); |
| |
| final Context context = mContext; |
| |
| final PackageManager pm = context.getPackageManager(); |
| |
| String lastInputMethodId = Settings.Secure.getString(context |
| .getContentResolver(), Settings.Secure.DEFAULT_INPUT_METHOD); |
| if (DEBUG) Slog.v(TAG, "Current IME: " + lastInputMethodId); |
| |
| final List<InputMethodInfo> immis = getEnabledInputMethodList(); |
| |
| if (immis == null) { |
| return; |
| } |
| |
| synchronized (mMethodMap) { |
| hideInputMethodMenuLocked(); |
| |
| int N = immis.size(); |
| |
| mItems = new CharSequence[N]; |
| mIms = new InputMethodInfo[N]; |
| |
| int j = 0; |
| for (int i = 0; i < N; ++i) { |
| InputMethodInfo property = immis.get(i); |
| if (property == null) { |
| continue; |
| } |
| mItems[j] = property.loadLabel(pm); |
| mIms[j] = property; |
| j++; |
| } |
| |
| int checkedItem = 0; |
| for (int i = 0; i < N; ++i) { |
| if (mIms[i].getId().equals(lastInputMethodId)) { |
| checkedItem = i; |
| break; |
| } |
| } |
| |
| AlertDialog.OnClickListener adocl = new AlertDialog.OnClickListener() { |
| public void onClick(DialogInterface dialog, int which) { |
| hideInputMethodMenu(); |
| } |
| }; |
| |
| TypedArray a = context.obtainStyledAttributes(null, |
| com.android.internal.R.styleable.DialogPreference, |
| com.android.internal.R.attr.alertDialogStyle, 0); |
| mDialogBuilder = new AlertDialog.Builder(context) |
| .setTitle(com.android.internal.R.string.select_input_method) |
| .setOnCancelListener(new OnCancelListener() { |
| public void onCancel(DialogInterface dialog) { |
| hideInputMethodMenu(); |
| } |
| }) |
| .setIcon(a.getDrawable( |
| com.android.internal.R.styleable.DialogPreference_dialogTitle)); |
| a.recycle(); |
| |
| mDialogBuilder.setSingleChoiceItems(mItems, checkedItem, |
| new AlertDialog.OnClickListener() { |
| public void onClick(DialogInterface dialog, int which) { |
| synchronized (mMethodMap) { |
| if (mIms == null || mIms.length <= which) { |
| return; |
| } |
| InputMethodInfo im = mIms[which]; |
| hideInputMethodMenu(); |
| if (im != null) { |
| setInputMethodLocked(im.getId()); |
| } |
| } |
| } |
| }); |
| |
| mSwitchingDialog = mDialogBuilder.create(); |
| mSwitchingDialog.getWindow().setType( |
| WindowManager.LayoutParams.TYPE_INPUT_METHOD_DIALOG); |
| mSwitchingDialog.show(); |
| } |
| } |
| |
| void hideInputMethodMenu() { |
| synchronized (mMethodMap) { |
| hideInputMethodMenuLocked(); |
| } |
| } |
| |
| void hideInputMethodMenuLocked() { |
| if (DEBUG) Slog.v(TAG, "Hide switching menu"); |
| |
| if (mSwitchingDialog != null) { |
| mSwitchingDialog.dismiss(); |
| mSwitchingDialog = null; |
| } |
| |
| mDialogBuilder = null; |
| mItems = null; |
| mIms = null; |
| } |
| |
| // ---------------------------------------------------------------------- |
| |
| public boolean setInputMethodEnabled(String id, boolean enabled) { |
| synchronized (mMethodMap) { |
| if (mContext.checkCallingOrSelfPermission( |
| android.Manifest.permission.WRITE_SECURE_SETTINGS) |
| != PackageManager.PERMISSION_GRANTED) { |
| throw new SecurityException( |
| "Requires permission " |
| + android.Manifest.permission.WRITE_SECURE_SETTINGS); |
| } |
| |
| long ident = Binder.clearCallingIdentity(); |
| try { |
| return setInputMethodEnabledLocked(id, enabled); |
| } finally { |
| Binder.restoreCallingIdentity(ident); |
| } |
| } |
| } |
| |
| boolean setInputMethodEnabledLocked(String id, boolean enabled) { |
| // Make sure this is a valid input method. |
| InputMethodInfo imm = mMethodMap.get(id); |
| if (imm == null) { |
| if (imm == null) { |
| throw new IllegalArgumentException("Unknown id: " + mCurMethodId); |
| } |
| } |
| |
| StringBuilder builder = new StringBuilder(256); |
| |
| boolean removed = false; |
| String firstId = null; |
| |
| // Look through the currently enabled input methods. |
| String enabledStr = Settings.Secure.getString(mContext.getContentResolver(), |
| Settings.Secure.ENABLED_INPUT_METHODS); |
| if (enabledStr != null) { |
| final TextUtils.SimpleStringSplitter splitter = mStringColonSplitter; |
| splitter.setString(enabledStr); |
| while (splitter.hasNext()) { |
| String curId = splitter.next(); |
| if (curId.equals(id)) { |
| if (enabled) { |
| // We are enabling this input method, but it is |
| // already enabled. Nothing to do. The previous |
| // state was enabled. |
| return true; |
| } |
| // We are disabling this input method, and it is |
| // currently enabled. Skip it to remove from the |
| // new list. |
| removed = true; |
| } else if (!enabled) { |
| // We are building a new list of input methods that |
| // doesn't contain the given one. |
| if (firstId == null) firstId = curId; |
| if (builder.length() > 0) builder.append(':'); |
| builder.append(curId); |
| } |
| } |
| } |
| |
| if (!enabled) { |
| if (!removed) { |
| // We are disabling the input method but it is already |
| // disabled. Nothing to do. The previous state was |
| // disabled. |
| return false; |
| } |
| // Update the setting with the new list of input methods. |
| Settings.Secure.putString(mContext.getContentResolver(), |
| Settings.Secure.ENABLED_INPUT_METHODS, builder.toString()); |
| // We the disabled input method is currently selected, switch |
| // to another one. |
| String selId = Settings.Secure.getString(mContext.getContentResolver(), |
| Settings.Secure.DEFAULT_INPUT_METHOD); |
| if (id.equals(selId)) { |
| Settings.Secure.putString(mContext.getContentResolver(), |
| Settings.Secure.DEFAULT_INPUT_METHOD, |
| firstId != null ? firstId : ""); |
| } |
| // Previous state was enabled. |
| return true; |
| } |
| |
| // Add in the newly enabled input method. |
| if (enabledStr == null || enabledStr.length() == 0) { |
| enabledStr = id; |
| } else { |
| enabledStr = enabledStr + ':' + id; |
| } |
| |
| Settings.Secure.putString(mContext.getContentResolver(), |
| Settings.Secure.ENABLED_INPUT_METHODS, enabledStr); |
| |
| // Previous state was disabled. |
| return false; |
| } |
| |
| // ---------------------------------------------------------------------- |
| |
| @Override |
| protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { |
| if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) |
| != PackageManager.PERMISSION_GRANTED) { |
| |
| pw.println("Permission Denial: can't dump InputMethodManager from from pid=" |
| + Binder.getCallingPid() |
| + ", uid=" + Binder.getCallingUid()); |
| return; |
| } |
| |
| IInputMethod method; |
| ClientState client; |
| |
| final Printer p = new PrintWriterPrinter(pw); |
| |
| synchronized (mMethodMap) { |
| p.println("Current Input Method Manager state:"); |
| int N = mMethodList.size(); |
| p.println(" Input Methods:"); |
| for (int i=0; i<N; i++) { |
| InputMethodInfo info = mMethodList.get(i); |
| p.println(" InputMethod #" + i + ":"); |
| info.dump(p, " "); |
| } |
| p.println(" Clients:"); |
| for (ClientState ci : mClients.values()) { |
| p.println(" Client " + ci + ":"); |
| p.println(" client=" + ci.client); |
| p.println(" inputContext=" + ci.inputContext); |
| p.println(" sessionRequested=" + ci.sessionRequested); |
| p.println(" curSession=" + ci.curSession); |
| } |
| p.println(" mCurMethodId=" + mCurMethodId); |
| client = mCurClient; |
| p.println(" mCurClient=" + client + " mCurSeq=" + mCurSeq); |
| p.println(" mCurFocusedWindow=" + mCurFocusedWindow); |
| p.println(" mCurId=" + mCurId + " mHaveConnect=" + mHaveConnection |
| + " mBoundToMethod=" + mBoundToMethod); |
| p.println(" mCurToken=" + mCurToken); |
| p.println(" mCurIntent=" + mCurIntent); |
| method = mCurMethod; |
| p.println(" mCurMethod=" + mCurMethod); |
| p.println(" mEnabledSession=" + mEnabledSession); |
| p.println(" mShowRequested=" + mShowRequested |
| + " mShowExplicitlyRequested=" + mShowExplicitlyRequested |
| + " mShowForced=" + mShowForced |
| + " mInputShown=" + mInputShown); |
| p.println(" mSystemReady=" + mSystemReady + " mScreenOn=" + mScreenOn); |
| } |
| |
| if (client != null) { |
| p.println(" "); |
| pw.flush(); |
| try { |
| client.client.asBinder().dump(fd, args); |
| } catch (RemoteException e) { |
| p.println("Input method client dead: " + e); |
| } |
| } |
| |
| if (method != null) { |
| p.println(" "); |
| pw.flush(); |
| try { |
| method.asBinder().dump(fd, args); |
| } catch (RemoteException e) { |
| p.println("Input method service dead: " + e); |
| } |
| } |
| } |
| } |