| /* |
| * 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 org.xmlpull.v1.XmlPullParser.END_DOCUMENT; |
| import static org.xmlpull.v1.XmlPullParser.END_TAG; |
| import static org.xmlpull.v1.XmlPullParser.START_TAG; |
| |
| import android.app.ActivityManager; |
| import android.app.ActivityManagerNative; |
| import android.app.AppGlobals; |
| import android.app.AppOpsManager; |
| import android.app.IActivityManager; |
| import android.app.INotificationManager; |
| import android.app.ITransientNotification; |
| import android.app.Notification; |
| import android.app.PendingIntent; |
| import android.app.StatusBarManager; |
| import android.content.BroadcastReceiver; |
| import android.content.ComponentName; |
| import android.content.ContentResolver; |
| import android.content.Context; |
| import android.content.Intent; |
| import android.content.IntentFilter; |
| import android.content.ServiceConnection; |
| import android.content.pm.ApplicationInfo; |
| import android.content.pm.PackageInfo; |
| import android.content.pm.PackageManager; |
| import android.content.pm.ResolveInfo; |
| import android.content.pm.ServiceInfo; |
| import android.content.pm.PackageManager.NameNotFoundException; |
| import android.content.res.Resources; |
| import android.database.ContentObserver; |
| import android.graphics.Bitmap; |
| import android.media.AudioManager; |
| import android.media.IAudioService; |
| import android.media.IRingtonePlayer; |
| import android.net.Uri; |
| import android.os.Binder; |
| import android.os.Handler; |
| import android.os.IBinder; |
| import android.os.Message; |
| import android.os.Process; |
| import android.os.RemoteException; |
| import android.os.ServiceManager; |
| import android.os.UserHandle; |
| import android.os.UserManager; |
| import android.os.Vibrator; |
| import android.provider.Settings; |
| import android.service.notification.INotificationListener; |
| import android.service.notification.NotificationListenerService; |
| import android.service.notification.StatusBarNotification; |
| import android.telephony.TelephonyManager; |
| import android.text.TextUtils; |
| import android.util.AtomicFile; |
| import android.util.EventLog; |
| import android.util.Log; |
| import android.util.Slog; |
| import android.util.Xml; |
| import android.view.accessibility.AccessibilityEvent; |
| import android.view.accessibility.AccessibilityManager; |
| import android.widget.Toast; |
| |
| import com.android.internal.R; |
| |
| import com.android.internal.notification.NotificationScorer; |
| import org.xmlpull.v1.XmlPullParser; |
| import org.xmlpull.v1.XmlPullParserException; |
| |
| import java.io.File; |
| import java.io.FileDescriptor; |
| import java.io.FileInputStream; |
| import java.io.FileNotFoundException; |
| import java.io.IOException; |
| import java.io.PrintWriter; |
| import java.lang.reflect.Array; |
| import java.util.ArrayDeque; |
| import java.util.ArrayList; |
| import java.util.Arrays; |
| import java.util.HashSet; |
| import java.util.Iterator; |
| import java.util.List; |
| import java.util.NoSuchElementException; |
| import java.util.Set; |
| |
| import libcore.io.IoUtils; |
| |
| |
| /** {@hide} */ |
| public class NotificationManagerService extends INotificationManager.Stub |
| { |
| private static final String TAG = "NotificationService"; |
| private static final boolean DBG = false; |
| |
| private static final int MAX_PACKAGE_NOTIFICATIONS = 50; |
| |
| // message codes |
| private static final int MESSAGE_TIMEOUT = 2; |
| |
| private static final int LONG_DELAY = 3500; // 3.5 seconds |
| private static final int SHORT_DELAY = 2000; // 2 seconds |
| |
| private static final long[] DEFAULT_VIBRATE_PATTERN = {0, 250, 250, 250}; |
| private static final int VIBRATE_PATTERN_MAXLEN = 8 * 2 + 1; // up to eight bumps |
| |
| private static final int DEFAULT_STREAM_TYPE = AudioManager.STREAM_NOTIFICATION; |
| private static final boolean SCORE_ONGOING_HIGHER = false; |
| |
| private static final int JUNK_SCORE = -1000; |
| private static final int NOTIFICATION_PRIORITY_MULTIPLIER = 10; |
| private static final int SCORE_DISPLAY_THRESHOLD = Notification.PRIORITY_MIN * NOTIFICATION_PRIORITY_MULTIPLIER; |
| |
| // Notifications with scores below this will not interrupt the user, either via LED or |
| // sound or vibration |
| private static final int SCORE_INTERRUPTION_THRESHOLD = |
| Notification.PRIORITY_LOW * NOTIFICATION_PRIORITY_MULTIPLIER; |
| |
| private static final boolean ENABLE_BLOCKED_NOTIFICATIONS = true; |
| private static final boolean ENABLE_BLOCKED_TOASTS = true; |
| |
| private static final String ENABLED_NOTIFICATION_LISTENERS_SEPARATOR = ":"; |
| |
| final Context mContext; |
| final IActivityManager mAm; |
| final UserManager mUserManager; |
| final IBinder mForegroundToken = new Binder(); |
| |
| private WorkerHandler mHandler; |
| private StatusBarManagerService mStatusBar; |
| private LightsService.Light mNotificationLight; |
| private LightsService.Light mAttentionLight; |
| |
| private int mDefaultNotificationColor; |
| private int mDefaultNotificationLedOn; |
| private int mDefaultNotificationLedOff; |
| |
| private long[] mDefaultVibrationPattern; |
| private long[] mFallbackVibrationPattern; |
| |
| private boolean mSystemReady; |
| private int mDisabledNotifications; |
| |
| private NotificationRecord mSoundNotification; |
| private NotificationRecord mVibrateNotification; |
| |
| private IAudioService mAudioService; |
| private Vibrator mVibrator; |
| |
| // for enabling and disabling notification pulse behavior |
| private boolean mScreenOn = true; |
| private boolean mInCall = false; |
| private boolean mNotificationPulseEnabled; |
| |
| // used as a mutex for access to all active notifications & listeners |
| private final ArrayList<NotificationRecord> mNotificationList = |
| new ArrayList<NotificationRecord>(); |
| |
| private ArrayList<ToastRecord> mToastQueue; |
| |
| private ArrayList<NotificationRecord> mLights = new ArrayList<NotificationRecord>(); |
| private NotificationRecord mLedNotification; |
| |
| private final AppOpsManager mAppOps; |
| |
| // contains connections to all connected listeners, including app services |
| // and system listeners |
| private ArrayList<NotificationListenerInfo> mListeners |
| = new ArrayList<NotificationListenerInfo>(); |
| // things that will be put into mListeners as soon as they're ready |
| private ArrayList<String> mServicesBinding = new ArrayList<String>(); |
| // lists the component names of all enabled (and therefore connected) listener |
| // app services for the current user only |
| private HashSet<ComponentName> mEnabledListenersForCurrentUser |
| = new HashSet<ComponentName>(); |
| // Just the packages from mEnabledListenersForCurrentUser |
| private HashSet<String> mEnabledListenerPackageNames = new HashSet<String>(); |
| |
| // Notification control database. For now just contains disabled packages. |
| private AtomicFile mPolicyFile; |
| private HashSet<String> mBlockedPackages = new HashSet<String>(); |
| |
| private static final int DB_VERSION = 1; |
| |
| private static final String TAG_BODY = "notification-policy"; |
| private static final String ATTR_VERSION = "version"; |
| |
| private static final String TAG_BLOCKED_PKGS = "blocked-packages"; |
| private static final String TAG_PACKAGE = "package"; |
| private static final String ATTR_NAME = "name"; |
| |
| private final ArrayList<NotificationScorer> mScorers = new ArrayList<NotificationScorer>(); |
| |
| private class NotificationListenerInfo implements DeathRecipient { |
| INotificationListener listener; |
| ComponentName component; |
| int userid; |
| boolean isSystem; |
| ServiceConnection connection; |
| |
| public NotificationListenerInfo(INotificationListener listener, ComponentName component, |
| int userid, boolean isSystem) { |
| this.listener = listener; |
| this.component = component; |
| this.userid = userid; |
| this.isSystem = isSystem; |
| this.connection = null; |
| } |
| |
| public NotificationListenerInfo(INotificationListener listener, ComponentName component, |
| int userid, ServiceConnection connection) { |
| this.listener = listener; |
| this.component = component; |
| this.userid = userid; |
| this.isSystem = false; |
| this.connection = connection; |
| } |
| |
| boolean enabledAndUserMatches(StatusBarNotification sbn) { |
| final int nid = sbn.getUserId(); |
| if (!isEnabledForCurrentUser()) { |
| return false; |
| } |
| if (this.userid == UserHandle.USER_ALL) return true; |
| return (nid == UserHandle.USER_ALL || nid == this.userid); |
| } |
| |
| public void notifyPostedIfUserMatch(StatusBarNotification sbn) { |
| if (!enabledAndUserMatches(sbn)) { |
| return; |
| } |
| try { |
| listener.onNotificationPosted(sbn); |
| } catch (RemoteException ex) { |
| Log.e(TAG, "unable to notify listener (posted): " + listener, ex); |
| } |
| } |
| |
| public void notifyRemovedIfUserMatch(StatusBarNotification sbn) { |
| if (!enabledAndUserMatches(sbn)) return; |
| try { |
| listener.onNotificationRemoved(sbn); |
| } catch (RemoteException ex) { |
| Log.e(TAG, "unable to notify listener (removed): " + listener, ex); |
| } |
| } |
| |
| @Override |
| public void binderDied() { |
| if (connection == null) { |
| // This is not a service; it won't be recreated. We can give up this connection. |
| unregisterListener(this.listener, this.userid); |
| } |
| } |
| |
| /** convenience method for looking in mEnabledListenersForCurrentUser */ |
| public boolean isEnabledForCurrentUser() { |
| if (this.isSystem) return true; |
| if (this.connection == null) return false; |
| return mEnabledListenersForCurrentUser.contains(this.component); |
| } |
| } |
| |
| private static class Archive { |
| static final int BUFFER_SIZE = 250; |
| ArrayDeque<StatusBarNotification> mBuffer = new ArrayDeque<StatusBarNotification>(BUFFER_SIZE); |
| |
| public Archive() { |
| } |
| |
| public String toString() { |
| final StringBuilder sb = new StringBuilder(); |
| final int N = mBuffer.size(); |
| sb.append("Archive ("); |
| sb.append(N); |
| sb.append(" notification"); |
| sb.append((N==1)?")":"s)"); |
| return sb.toString(); |
| } |
| |
| public void record(StatusBarNotification nr) { |
| if (mBuffer.size() == BUFFER_SIZE) { |
| mBuffer.removeFirst(); |
| } |
| |
| // We don't want to store the heavy bits of the notification in the archive, |
| // but other clients in the system process might be using the object, so we |
| // store a (lightened) copy. |
| mBuffer.addLast(nr.cloneLight()); |
| } |
| |
| |
| public void clear() { |
| mBuffer.clear(); |
| } |
| |
| public Iterator<StatusBarNotification> descendingIterator() { |
| return mBuffer.descendingIterator(); |
| } |
| public Iterator<StatusBarNotification> ascendingIterator() { |
| return mBuffer.iterator(); |
| } |
| public Iterator<StatusBarNotification> filter( |
| final Iterator<StatusBarNotification> iter, final String pkg, final int userId) { |
| return new Iterator<StatusBarNotification>() { |
| StatusBarNotification mNext = findNext(); |
| |
| private StatusBarNotification findNext() { |
| while (iter.hasNext()) { |
| StatusBarNotification nr = iter.next(); |
| if ((pkg == null || nr.getPackageName() == pkg) |
| && (userId == UserHandle.USER_ALL || nr.getUserId() == userId)) { |
| return nr; |
| } |
| } |
| return null; |
| } |
| |
| @Override |
| public boolean hasNext() { |
| return mNext == null; |
| } |
| |
| @Override |
| public StatusBarNotification next() { |
| StatusBarNotification next = mNext; |
| if (next == null) { |
| throw new NoSuchElementException(); |
| } |
| mNext = findNext(); |
| return next; |
| } |
| |
| @Override |
| public void remove() { |
| iter.remove(); |
| } |
| }; |
| } |
| |
| public StatusBarNotification[] getArray(int count) { |
| if (count == 0) count = Archive.BUFFER_SIZE; |
| final StatusBarNotification[] a |
| = new StatusBarNotification[Math.min(count, mBuffer.size())]; |
| Iterator<StatusBarNotification> iter = descendingIterator(); |
| int i=0; |
| while (iter.hasNext() && i < count) { |
| a[i++] = iter.next(); |
| } |
| return a; |
| } |
| |
| public StatusBarNotification[] getArray(int count, String pkg, int userId) { |
| if (count == 0) count = Archive.BUFFER_SIZE; |
| final StatusBarNotification[] a |
| = new StatusBarNotification[Math.min(count, mBuffer.size())]; |
| Iterator<StatusBarNotification> iter = filter(descendingIterator(), pkg, userId); |
| int i=0; |
| while (iter.hasNext() && i < count) { |
| a[i++] = iter.next(); |
| } |
| return a; |
| } |
| |
| } |
| |
| Archive mArchive = new Archive(); |
| |
| private void loadBlockDb() { |
| synchronized(mBlockedPackages) { |
| if (mPolicyFile == null) { |
| File dir = new File("/data/system"); |
| mPolicyFile = new AtomicFile(new File(dir, "notification_policy.xml")); |
| |
| mBlockedPackages.clear(); |
| |
| FileInputStream infile = null; |
| try { |
| infile = mPolicyFile.openRead(); |
| final XmlPullParser parser = Xml.newPullParser(); |
| parser.setInput(infile, null); |
| |
| int type; |
| String tag; |
| int version = DB_VERSION; |
| while ((type = parser.next()) != END_DOCUMENT) { |
| tag = parser.getName(); |
| if (type == START_TAG) { |
| if (TAG_BODY.equals(tag)) { |
| version = Integer.parseInt(parser.getAttributeValue(null, ATTR_VERSION)); |
| } else if (TAG_BLOCKED_PKGS.equals(tag)) { |
| while ((type = parser.next()) != END_DOCUMENT) { |
| tag = parser.getName(); |
| if (TAG_PACKAGE.equals(tag)) { |
| mBlockedPackages.add(parser.getAttributeValue(null, ATTR_NAME)); |
| } else if (TAG_BLOCKED_PKGS.equals(tag) && type == END_TAG) { |
| break; |
| } |
| } |
| } |
| } |
| } |
| } catch (FileNotFoundException e) { |
| // No data yet |
| } catch (IOException e) { |
| Log.wtf(TAG, "Unable to read blocked notifications database", e); |
| } catch (NumberFormatException e) { |
| Log.wtf(TAG, "Unable to parse blocked notifications database", e); |
| } catch (XmlPullParserException e) { |
| Log.wtf(TAG, "Unable to parse blocked notifications database", e); |
| } finally { |
| IoUtils.closeQuietly(infile); |
| } |
| } |
| } |
| } |
| |
| /** |
| * Use this when you just want to know if notifications are OK for this package. |
| */ |
| public boolean areNotificationsEnabledForPackage(String pkg, int uid) { |
| checkCallerIsSystem(); |
| return (mAppOps.checkOpNoThrow(AppOpsManager.OP_POST_NOTIFICATION, uid, pkg) |
| == AppOpsManager.MODE_ALLOWED); |
| } |
| |
| /** Use this when you actually want to post a notification or toast. |
| * |
| * Unchecked. Not exposed via Binder, but can be called in the course of enqueue*(). |
| */ |
| private boolean noteNotificationOp(String pkg, int uid) { |
| if (mAppOps.noteOpNoThrow(AppOpsManager.OP_POST_NOTIFICATION, uid, pkg) |
| != AppOpsManager.MODE_ALLOWED) { |
| Slog.v(TAG, "notifications are disabled by AppOps for " + pkg); |
| return false; |
| } |
| return true; |
| } |
| |
| public void setNotificationsEnabledForPackage(String pkg, int uid, boolean enabled) { |
| checkCallerIsSystem(); |
| |
| Slog.v(TAG, (enabled?"en":"dis") + "abling notifications for " + pkg); |
| |
| mAppOps.setMode(AppOpsManager.OP_POST_NOTIFICATION, uid, pkg, |
| enabled ? AppOpsManager.MODE_ALLOWED : AppOpsManager.MODE_IGNORED); |
| |
| // Now, cancel any outstanding notifications that are part of a just-disabled app |
| if (ENABLE_BLOCKED_NOTIFICATIONS && !enabled) { |
| cancelAllNotificationsInt(pkg, 0, 0, true, UserHandle.getUserId(uid)); |
| } |
| } |
| |
| |
| private static String idDebugString(Context baseContext, String packageName, int id) { |
| Context c = null; |
| |
| if (packageName != null) { |
| try { |
| c = baseContext.createPackageContext(packageName, 0); |
| } catch (NameNotFoundException e) { |
| c = baseContext; |
| } |
| } else { |
| c = baseContext; |
| } |
| |
| String pkg; |
| String type; |
| String name; |
| |
| Resources r = c.getResources(); |
| try { |
| return r.getResourceName(id); |
| } catch (Resources.NotFoundException e) { |
| return "<name unknown>"; |
| } |
| } |
| |
| /** |
| * System-only API for getting a list of current (i.e. not cleared) notifications. |
| * |
| * Requires ACCESS_NOTIFICATIONS which is signature|system. |
| */ |
| @Override |
| public StatusBarNotification[] getActiveNotifications(String callingPkg) { |
| // enforce() will ensure the calling uid has the correct permission |
| mContext.enforceCallingOrSelfPermission(android.Manifest.permission.ACCESS_NOTIFICATIONS, |
| "NotificationManagerService.getActiveNotifications"); |
| |
| StatusBarNotification[] tmp = null; |
| int uid = Binder.getCallingUid(); |
| |
| // noteOp will check to make sure the callingPkg matches the uid |
| if (mAppOps.noteOpNoThrow(AppOpsManager.OP_ACCESS_NOTIFICATIONS, uid, callingPkg) |
| == AppOpsManager.MODE_ALLOWED) { |
| synchronized (mNotificationList) { |
| tmp = new StatusBarNotification[mNotificationList.size()]; |
| final int N = mNotificationList.size(); |
| for (int i=0; i<N; i++) { |
| tmp[i] = mNotificationList.get(i).sbn; |
| } |
| } |
| } |
| return tmp; |
| } |
| |
| /** |
| * System-only API for getting a list of recent (cleared, no longer shown) notifications. |
| * |
| * Requires ACCESS_NOTIFICATIONS which is signature|system. |
| */ |
| @Override |
| public StatusBarNotification[] getHistoricalNotifications(String callingPkg, int count) { |
| // enforce() will ensure the calling uid has the correct permission |
| mContext.enforceCallingOrSelfPermission(android.Manifest.permission.ACCESS_NOTIFICATIONS, |
| "NotificationManagerService.getHistoricalNotifications"); |
| |
| StatusBarNotification[] tmp = null; |
| int uid = Binder.getCallingUid(); |
| |
| // noteOp will check to make sure the callingPkg matches the uid |
| if (mAppOps.noteOpNoThrow(AppOpsManager.OP_ACCESS_NOTIFICATIONS, uid, callingPkg) |
| == AppOpsManager.MODE_ALLOWED) { |
| synchronized (mArchive) { |
| tmp = mArchive.getArray(count); |
| } |
| } |
| return tmp; |
| } |
| |
| /** |
| * Remove notification access for any services that no longer exist. |
| */ |
| void disableNonexistentListeners() { |
| int currentUser = ActivityManager.getCurrentUser(); |
| String flatIn = Settings.Secure.getStringForUser( |
| mContext.getContentResolver(), |
| Settings.Secure.ENABLED_NOTIFICATION_LISTENERS, |
| currentUser); |
| if (!TextUtils.isEmpty(flatIn)) { |
| if (DBG) Slog.v(TAG, "flat before: " + flatIn); |
| PackageManager pm = mContext.getPackageManager(); |
| List<ResolveInfo> installedServices = pm.queryIntentServicesAsUser( |
| new Intent(NotificationListenerService.SERVICE_INTERFACE), |
| PackageManager.GET_SERVICES | PackageManager.GET_META_DATA, |
| currentUser); |
| |
| Set<ComponentName> installed = new HashSet<ComponentName>(); |
| for (int i = 0, count = installedServices.size(); i < count; i++) { |
| ResolveInfo resolveInfo = installedServices.get(i); |
| ServiceInfo info = resolveInfo.serviceInfo; |
| |
| if (!android.Manifest.permission.BIND_NOTIFICATION_LISTENER_SERVICE.equals( |
| info.permission)) { |
| Slog.w(TAG, "Skipping notification listener service " |
| + info.packageName + "/" + info.name |
| + ": it does not require the permission " |
| + android.Manifest.permission.BIND_NOTIFICATION_LISTENER_SERVICE); |
| continue; |
| } |
| installed.add(new ComponentName(info.packageName, info.name)); |
| } |
| |
| String flatOut = ""; |
| if (!installed.isEmpty()) { |
| String[] enabled = flatIn.split(ENABLED_NOTIFICATION_LISTENERS_SEPARATOR); |
| ArrayList<String> remaining = new ArrayList<String>(enabled.length); |
| for (int i = 0; i < enabled.length; i++) { |
| ComponentName enabledComponent = ComponentName.unflattenFromString(enabled[i]); |
| if (installed.contains(enabledComponent)) { |
| remaining.add(enabled[i]); |
| } |
| } |
| flatOut = TextUtils.join(ENABLED_NOTIFICATION_LISTENERS_SEPARATOR, remaining); |
| } |
| if (DBG) Slog.v(TAG, "flat after: " + flatOut); |
| if (!flatIn.equals(flatOut)) { |
| Settings.Secure.putStringForUser(mContext.getContentResolver(), |
| Settings.Secure.ENABLED_NOTIFICATION_LISTENERS, |
| flatOut, currentUser); |
| } |
| } |
| } |
| |
| /** |
| * Called whenever packages change, the user switches, or ENABLED_NOTIFICATION_LISTENERS |
| * is altered. (For example in response to USER_SWITCHED in our broadcast receiver) |
| */ |
| void rebindListenerServices() { |
| final int currentUser = ActivityManager.getCurrentUser(); |
| String flat = Settings.Secure.getStringForUser( |
| mContext.getContentResolver(), |
| Settings.Secure.ENABLED_NOTIFICATION_LISTENERS, |
| currentUser); |
| |
| NotificationListenerInfo[] toRemove = new NotificationListenerInfo[mListeners.size()]; |
| final ArrayList<ComponentName> toAdd; |
| |
| synchronized (mNotificationList) { |
| // unbind and remove all existing listeners |
| toRemove = mListeners.toArray(toRemove); |
| |
| toAdd = new ArrayList<ComponentName>(); |
| final HashSet<ComponentName> newEnabled = new HashSet<ComponentName>(); |
| final HashSet<String> newPackages = new HashSet<String>(); |
| |
| // decode the list of components |
| if (flat != null) { |
| String[] components = flat.split(ENABLED_NOTIFICATION_LISTENERS_SEPARATOR); |
| for (int i=0; i<components.length; i++) { |
| final ComponentName component |
| = ComponentName.unflattenFromString(components[i]); |
| if (component != null) { |
| newEnabled.add(component); |
| toAdd.add(component); |
| newPackages.add(component.getPackageName()); |
| } |
| } |
| |
| mEnabledListenersForCurrentUser = newEnabled; |
| mEnabledListenerPackageNames = newPackages; |
| } |
| } |
| |
| for (NotificationListenerInfo info : toRemove) { |
| final ComponentName component = info.component; |
| final int oldUser = info.userid; |
| Slog.v(TAG, "disabling notification listener for user " + oldUser + ": " + component); |
| unregisterListenerService(component, info.userid); |
| } |
| |
| final int N = toAdd.size(); |
| for (int i=0; i<N; i++) { |
| final ComponentName component = toAdd.get(i); |
| Slog.v(TAG, "enabling notification listener for user " + currentUser + ": " |
| + component); |
| registerListenerService(component, currentUser); |
| } |
| } |
| |
| /** |
| * Register a listener binder directly with the notification manager. |
| * |
| * Only works with system callers. Apps should extend |
| * {@link android.service.notification.NotificationListenerService}. |
| */ |
| @Override |
| public void registerListener(final INotificationListener listener, |
| final ComponentName component, final int userid) { |
| checkCallerIsSystem(); |
| |
| synchronized (mNotificationList) { |
| try { |
| NotificationListenerInfo info |
| = new NotificationListenerInfo(listener, component, userid, true); |
| listener.asBinder().linkToDeath(info, 0); |
| mListeners.add(info); |
| } catch (RemoteException e) { |
| // already dead |
| } |
| } |
| } |
| |
| /** |
| * Version of registerListener that takes the name of a |
| * {@link android.service.notification.NotificationListenerService} to bind to. |
| * |
| * This is the mechanism by which third parties may subscribe to notifications. |
| */ |
| private void registerListenerService(final ComponentName name, final int userid) { |
| checkCallerIsSystem(); |
| |
| if (DBG) Slog.v(TAG, "registerListenerService: " + name + " u=" + userid); |
| |
| synchronized (mNotificationList) { |
| final String servicesBindingTag = name.toString() + "/" + userid; |
| if (mServicesBinding.contains(servicesBindingTag)) { |
| // stop registering this thing already! we're working on it |
| return; |
| } |
| mServicesBinding.add(servicesBindingTag); |
| |
| final int N = mListeners.size(); |
| for (int i=N-1; i>=0; i--) { |
| final NotificationListenerInfo info = mListeners.get(i); |
| if (name.equals(info.component) |
| && info.userid == userid) { |
| // cut old connections |
| if (DBG) Slog.v(TAG, " disconnecting old listener: " + info.listener); |
| mListeners.remove(i); |
| if (info.connection != null) { |
| mContext.unbindService(info.connection); |
| } |
| } |
| } |
| |
| Intent intent = new Intent(NotificationListenerService.SERVICE_INTERFACE); |
| intent.setComponent(name); |
| |
| intent.putExtra(Intent.EXTRA_CLIENT_LABEL, |
| R.string.notification_listener_binding_label); |
| intent.putExtra(Intent.EXTRA_CLIENT_INTENT, PendingIntent.getActivity( |
| mContext, 0, new Intent(Settings.ACTION_NOTIFICATION_LISTENER_SETTINGS), 0)); |
| |
| try { |
| if (DBG) Slog.v(TAG, "binding: " + intent); |
| if (!mContext.bindServiceAsUser(intent, |
| new ServiceConnection() { |
| INotificationListener mListener; |
| @Override |
| public void onServiceConnected(ComponentName name, IBinder service) { |
| synchronized (mNotificationList) { |
| mServicesBinding.remove(servicesBindingTag); |
| try { |
| mListener = INotificationListener.Stub.asInterface(service); |
| NotificationListenerInfo info = new NotificationListenerInfo( |
| mListener, name, userid, this); |
| service.linkToDeath(info, 0); |
| mListeners.add(info); |
| } catch (RemoteException e) { |
| // already dead |
| } |
| } |
| } |
| |
| @Override |
| public void onServiceDisconnected(ComponentName name) { |
| Slog.v(TAG, "notification listener connection lost: " + name); |
| } |
| }, |
| Context.BIND_AUTO_CREATE, |
| new UserHandle(userid))) |
| { |
| mServicesBinding.remove(servicesBindingTag); |
| Slog.w(TAG, "Unable to bind listener service: " + intent); |
| return; |
| } |
| } catch (SecurityException ex) { |
| Slog.e(TAG, "Unable to bind listener service: " + intent, ex); |
| return; |
| } |
| } |
| } |
| |
| /** |
| * Remove a listener binder directly |
| */ |
| @Override |
| public void unregisterListener(INotificationListener listener, int userid) { |
| // no need to check permissions; if your listener binder is in the list, |
| // that's proof that you had permission to add it in the first place |
| |
| synchronized (mNotificationList) { |
| final int N = mListeners.size(); |
| for (int i=N-1; i>=0; i--) { |
| final NotificationListenerInfo info = mListeners.get(i); |
| if (info.listener.asBinder() == listener.asBinder() |
| && info.userid == userid) { |
| mListeners.remove(i); |
| if (info.connection != null) { |
| mContext.unbindService(info.connection); |
| } |
| } |
| } |
| } |
| } |
| |
| /** |
| * Remove a listener service for the given user by ComponentName |
| */ |
| private void unregisterListenerService(ComponentName name, int userid) { |
| checkCallerIsSystem(); |
| |
| synchronized (mNotificationList) { |
| final int N = mListeners.size(); |
| for (int i=N-1; i>=0; i--) { |
| final NotificationListenerInfo info = mListeners.get(i); |
| if (name.equals(info.component) |
| && info.userid == userid) { |
| mListeners.remove(i); |
| if (info.connection != null) { |
| try { |
| mContext.unbindService(info.connection); |
| } catch (IllegalArgumentException ex) { |
| // something happened to the service: we think we have a connection |
| // but it's bogus. |
| Slog.e(TAG, "Listener " + name + " could not be unbound: " + ex); |
| } |
| } |
| } |
| } |
| } |
| } |
| |
| /** |
| * asynchronously notify all listeners about a new notification |
| */ |
| private void notifyPostedLocked(NotificationRecord n) { |
| // make a copy in case changes are made to the underlying Notification object |
| final StatusBarNotification sbn = n.sbn.clone(); |
| for (final NotificationListenerInfo info : mListeners) { |
| mHandler.post(new Runnable() { |
| @Override |
| public void run() { |
| info.notifyPostedIfUserMatch(sbn); |
| }}); |
| } |
| } |
| |
| /** |
| * asynchronously notify all listeners about a removed notification |
| */ |
| private void notifyRemovedLocked(NotificationRecord n) { |
| // make a copy in case changes are made to the underlying Notification object |
| // NOTE: this copy is lightweight: it doesn't include heavyweight parts of the notification |
| final StatusBarNotification sbn_light = n.sbn.cloneLight(); |
| |
| for (final NotificationListenerInfo info : mListeners) { |
| mHandler.post(new Runnable() { |
| @Override |
| public void run() { |
| info.notifyRemovedIfUserMatch(sbn_light); |
| }}); |
| } |
| } |
| |
| // -- APIs to support listeners clicking/clearing notifications -- |
| |
| private NotificationListenerInfo checkListenerToken(INotificationListener listener) { |
| final IBinder token = listener.asBinder(); |
| final int N = mListeners.size(); |
| for (int i=0; i<N; i++) { |
| final NotificationListenerInfo info = mListeners.get(i); |
| if (info.listener.asBinder() == token) return info; |
| } |
| throw new SecurityException("Disallowed call from unknown listener: " + listener); |
| } |
| |
| /** |
| * Allow an INotificationListener to simulate a "clear all" operation. |
| * |
| * {@see com.android.server.StatusBarManagerService.NotificationCallbacks#onClearAllNotifications} |
| * |
| * @param token The binder for the listener, to check that the caller is allowed |
| */ |
| public void cancelAllNotificationsFromListener(INotificationListener token) { |
| NotificationListenerInfo info = checkListenerToken(token); |
| long identity = Binder.clearCallingIdentity(); |
| try { |
| cancelAll(info.userid); |
| } finally { |
| Binder.restoreCallingIdentity(identity); |
| } |
| } |
| |
| /** |
| * Allow an INotificationListener to simulate clearing (dismissing) a single notification. |
| * |
| * {@see com.android.server.StatusBarManagerService.NotificationCallbacks#onNotificationClear} |
| * |
| * @param token The binder for the listener, to check that the caller is allowed |
| */ |
| public void cancelNotificationFromListener(INotificationListener token, String pkg, String tag, int id) { |
| NotificationListenerInfo info = checkListenerToken(token); |
| long identity = Binder.clearCallingIdentity(); |
| try { |
| cancelNotification(pkg, tag, id, 0, |
| Notification.FLAG_ONGOING_EVENT | Notification.FLAG_FOREGROUND_SERVICE, |
| true, |
| info.userid); |
| } finally { |
| Binder.restoreCallingIdentity(identity); |
| } |
| } |
| |
| /** |
| * Allow an INotificationListener to request the list of outstanding notifications seen by |
| * the current user. Useful when starting up, after which point the listener callbacks should |
| * be used. |
| * |
| * @param token The binder for the listener, to check that the caller is allowed |
| */ |
| public StatusBarNotification[] getActiveNotificationsFromListener(INotificationListener token) { |
| NotificationListenerInfo info = checkListenerToken(token); |
| |
| StatusBarNotification[] result = new StatusBarNotification[0]; |
| ArrayList<StatusBarNotification> list = new ArrayList<StatusBarNotification>(); |
| synchronized (mNotificationList) { |
| final int N = mNotificationList.size(); |
| for (int i=0; i<N; i++) { |
| StatusBarNotification sbn = mNotificationList.get(i).sbn; |
| if (info.enabledAndUserMatches(sbn)) { |
| list.add(sbn); |
| } |
| } |
| } |
| return list.toArray(result); |
| } |
| |
| // -- end of listener APIs -- |
| |
| public static final class NotificationRecord |
| { |
| final StatusBarNotification sbn; |
| IBinder statusBarKey; |
| |
| NotificationRecord(StatusBarNotification sbn) |
| { |
| this.sbn = sbn; |
| } |
| |
| public Notification getNotification() { return sbn.getNotification(); } |
| public int getFlags() { return sbn.getNotification().flags; } |
| public int getUserId() { return sbn.getUserId(); } |
| |
| void dump(PrintWriter pw, String prefix, Context baseContext) { |
| final Notification notification = sbn.getNotification(); |
| pw.println(prefix + this); |
| pw.println(prefix + " uid=" + sbn.getUid() + " userId=" + sbn.getUserId()); |
| pw.println(prefix + " icon=0x" + Integer.toHexString(notification.icon) |
| + " / " + idDebugString(baseContext, sbn.getPackageName(), notification.icon)); |
| pw.println(prefix + " pri=" + notification.priority + " score=" + sbn.getScore()); |
| pw.println(prefix + " contentIntent=" + notification.contentIntent); |
| pw.println(prefix + " deleteIntent=" + notification.deleteIntent); |
| pw.println(prefix + " tickerText=" + notification.tickerText); |
| pw.println(prefix + " contentView=" + notification.contentView); |
| pw.println(prefix + String.format(" defaults=0x%08x flags=0x%08x", |
| notification.defaults, notification.flags)); |
| pw.println(prefix + " sound=" + notification.sound); |
| pw.println(prefix + " vibrate=" + Arrays.toString(notification.vibrate)); |
| pw.println(prefix + String.format(" led=0x%08x onMs=%d offMs=%d", |
| notification.ledARGB, notification.ledOnMS, notification.ledOffMS)); |
| if (notification.actions != null && notification.actions.length > 0) { |
| pw.println(prefix + " actions={"); |
| final int N = notification.actions.length; |
| for (int i=0; i<N; i++) { |
| final Notification.Action action = notification.actions[i]; |
| pw.println(String.format("%s [%d] \"%s\" -> %s", |
| prefix, |
| i, |
| action.title, |
| action.actionIntent.toString() |
| )); |
| } |
| pw.println(prefix + " }"); |
| } |
| if (notification.extras != null && notification.extras.size() > 0) { |
| pw.println(prefix + " extras={"); |
| for (String key : notification.extras.keySet()) { |
| pw.print(prefix + " " + key + "="); |
| Object val = notification.extras.get(key); |
| if (val == null) { |
| pw.println("null"); |
| } else { |
| pw.print(val.toString()); |
| if (val instanceof Bitmap) { |
| pw.print(String.format(" (%dx%d)", |
| ((Bitmap) val).getWidth(), |
| ((Bitmap) val).getHeight())); |
| } else if (val.getClass().isArray()) { |
| pw.println(" {"); |
| final int N = Array.getLength(val); |
| for (int i=0; i<N; i++) { |
| if (i > 0) pw.println(","); |
| pw.print(prefix + " " + Array.get(val, i)); |
| } |
| pw.print("\n" + prefix + " }"); |
| } |
| pw.println(); |
| } |
| } |
| pw.println(prefix + " }"); |
| } |
| } |
| |
| @Override |
| public final String toString() { |
| return String.format( |
| "NotificationRecord(0x%08x: pkg=%s user=%s id=%d tag=%s score=%d: %s)", |
| System.identityHashCode(this), |
| this.sbn.getPackageName(), this.sbn.getUser(), this.sbn.getId(), this.sbn.getTag(), |
| this.sbn.getScore(), this.sbn.getNotification()); |
| } |
| } |
| |
| private static final class ToastRecord |
| { |
| final int pid; |
| final String pkg; |
| final ITransientNotification callback; |
| int duration; |
| |
| ToastRecord(int pid, String pkg, ITransientNotification callback, int duration) |
| { |
| this.pid = pid; |
| this.pkg = pkg; |
| this.callback = callback; |
| this.duration = duration; |
| } |
| |
| void update(int duration) { |
| this.duration = duration; |
| } |
| |
| void dump(PrintWriter pw, String prefix) { |
| pw.println(prefix + this); |
| } |
| |
| @Override |
| public final String toString() |
| { |
| return "ToastRecord{" |
| + Integer.toHexString(System.identityHashCode(this)) |
| + " pkg=" + pkg |
| + " callback=" + callback |
| + " duration=" + duration; |
| } |
| } |
| |
| private StatusBarManagerService.NotificationCallbacks mNotificationCallbacks |
| = new StatusBarManagerService.NotificationCallbacks() { |
| |
| public void onSetDisabled(int status) { |
| synchronized (mNotificationList) { |
| mDisabledNotifications = status; |
| if ((mDisabledNotifications & StatusBarManager.DISABLE_NOTIFICATION_ALERTS) != 0) { |
| // cancel whatever's going on |
| long identity = Binder.clearCallingIdentity(); |
| try { |
| final IRingtonePlayer player = mAudioService.getRingtonePlayer(); |
| if (player != null) { |
| player.stopAsync(); |
| } |
| } catch (RemoteException e) { |
| } finally { |
| Binder.restoreCallingIdentity(identity); |
| } |
| |
| identity = Binder.clearCallingIdentity(); |
| try { |
| mVibrator.cancel(); |
| } finally { |
| Binder.restoreCallingIdentity(identity); |
| } |
| } |
| } |
| } |
| |
| public void onClearAll() { |
| // XXX to be totally correct, the caller should tell us which user |
| // this is for. |
| cancelAll(ActivityManager.getCurrentUser()); |
| } |
| |
| public void onNotificationClick(String pkg, String tag, int id) { |
| // XXX to be totally correct, the caller should tell us which user |
| // this is for. |
| cancelNotification(pkg, tag, id, Notification.FLAG_AUTO_CANCEL, |
| Notification.FLAG_FOREGROUND_SERVICE, false, |
| ActivityManager.getCurrentUser()); |
| } |
| |
| public void onNotificationClear(String pkg, String tag, int id) { |
| // XXX to be totally correct, the caller should tell us which user |
| // this is for. |
| cancelNotification(pkg, tag, id, 0, |
| Notification.FLAG_ONGOING_EVENT | Notification.FLAG_FOREGROUND_SERVICE, |
| true, ActivityManager.getCurrentUser()); |
| } |
| |
| public void onPanelRevealed() { |
| synchronized (mNotificationList) { |
| // sound |
| mSoundNotification = null; |
| |
| long identity = Binder.clearCallingIdentity(); |
| try { |
| final IRingtonePlayer player = mAudioService.getRingtonePlayer(); |
| if (player != null) { |
| player.stopAsync(); |
| } |
| } catch (RemoteException e) { |
| } finally { |
| Binder.restoreCallingIdentity(identity); |
| } |
| |
| // vibrate |
| mVibrateNotification = null; |
| identity = Binder.clearCallingIdentity(); |
| try { |
| mVibrator.cancel(); |
| } finally { |
| Binder.restoreCallingIdentity(identity); |
| } |
| |
| // light |
| mLights.clear(); |
| mLedNotification = null; |
| updateLightsLocked(); |
| } |
| } |
| |
| public void onNotificationError(String pkg, String tag, int id, |
| int uid, int initialPid, String message) { |
| Slog.d(TAG, "onNotification error pkg=" + pkg + " tag=" + tag + " id=" + id |
| + "; will crashApplication(uid=" + uid + ", pid=" + initialPid + ")"); |
| // XXX to be totally correct, the caller should tell us which user |
| // this is for. |
| cancelNotification(pkg, tag, id, 0, 0, false, UserHandle.getUserId(uid)); |
| long ident = Binder.clearCallingIdentity(); |
| try { |
| ActivityManagerNative.getDefault().crashApplication(uid, initialPid, pkg, |
| "Bad notification posted from package " + pkg |
| + ": " + message); |
| } catch (RemoteException e) { |
| } |
| Binder.restoreCallingIdentity(ident); |
| } |
| }; |
| |
| private BroadcastReceiver mIntentReceiver = new BroadcastReceiver() { |
| @Override |
| public void onReceive(Context context, Intent intent) { |
| String action = intent.getAction(); |
| |
| boolean queryRestart = false; |
| boolean queryRemove = false; |
| boolean packageChanged = false; |
| boolean cancelNotifications = true; |
| |
| if (action.equals(Intent.ACTION_PACKAGE_ADDED) |
| || (queryRemove=action.equals(Intent.ACTION_PACKAGE_REMOVED)) |
| || action.equals(Intent.ACTION_PACKAGE_RESTARTED) |
| || (packageChanged=action.equals(Intent.ACTION_PACKAGE_CHANGED)) |
| || (queryRestart=action.equals(Intent.ACTION_QUERY_PACKAGE_RESTART)) |
| || action.equals(Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE)) { |
| String pkgList[] = null; |
| boolean queryReplace = queryRemove && |
| intent.getBooleanExtra(Intent.EXTRA_REPLACING, false); |
| if (DBG) Slog.i(TAG, "queryReplace=" + queryReplace); |
| if (action.equals(Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE)) { |
| pkgList = intent.getStringArrayExtra(Intent.EXTRA_CHANGED_PACKAGE_LIST); |
| } else if (queryRestart) { |
| pkgList = intent.getStringArrayExtra(Intent.EXTRA_PACKAGES); |
| } else { |
| Uri uri = intent.getData(); |
| if (uri == null) { |
| return; |
| } |
| String pkgName = uri.getSchemeSpecificPart(); |
| if (pkgName == null) { |
| return; |
| } |
| if (packageChanged) { |
| // We cancel notifications for packages which have just been disabled |
| try { |
| final int enabled = mContext.getPackageManager() |
| .getApplicationEnabledSetting(pkgName); |
| if (enabled == PackageManager.COMPONENT_ENABLED_STATE_ENABLED |
| || enabled == PackageManager.COMPONENT_ENABLED_STATE_DEFAULT) { |
| cancelNotifications = false; |
| } |
| } catch (IllegalArgumentException e) { |
| // Package doesn't exist; probably racing with uninstall. |
| // cancelNotifications is already true, so nothing to do here. |
| if (DBG) { |
| Slog.i(TAG, "Exception trying to look up app enabled setting", e); |
| } |
| } |
| } |
| pkgList = new String[]{pkgName}; |
| } |
| |
| boolean anyListenersInvolved = false; |
| if (pkgList != null && (pkgList.length > 0)) { |
| for (String pkgName : pkgList) { |
| if (cancelNotifications) { |
| cancelAllNotificationsInt(pkgName, 0, 0, !queryRestart, |
| UserHandle.USER_ALL); |
| } |
| if (mEnabledListenerPackageNames.contains(pkgName)) { |
| anyListenersInvolved = true; |
| } |
| } |
| } |
| |
| if (anyListenersInvolved) { |
| // if we're not replacing a package, clean up orphaned bits |
| if (!queryReplace) { |
| disableNonexistentListeners(); |
| } |
| // make sure we're still bound to any of our |
| // listeners who may have just upgraded |
| rebindListenerServices(); |
| } |
| } else if (action.equals(Intent.ACTION_SCREEN_ON)) { |
| // Keep track of screen on/off state, but do not turn off the notification light |
| // until user passes through the lock screen or views the notification. |
| mScreenOn = true; |
| } else if (action.equals(Intent.ACTION_SCREEN_OFF)) { |
| mScreenOn = false; |
| } else if (action.equals(TelephonyManager.ACTION_PHONE_STATE_CHANGED)) { |
| mInCall = (intent.getStringExtra(TelephonyManager.EXTRA_STATE).equals( |
| TelephonyManager.EXTRA_STATE_OFFHOOK)); |
| updateNotificationPulse(); |
| } else if (action.equals(Intent.ACTION_USER_STOPPED)) { |
| int userHandle = intent.getIntExtra(Intent.EXTRA_USER_HANDLE, -1); |
| if (userHandle >= 0) { |
| cancelAllNotificationsInt(null, 0, 0, true, userHandle); |
| } |
| } else if (action.equals(Intent.ACTION_USER_PRESENT)) { |
| // turn off LED when user passes through lock screen |
| mNotificationLight.turnOff(); |
| } else if (action.equals(Intent.ACTION_USER_SWITCHED)) { |
| // reload per-user settings |
| mSettingsObserver.update(null); |
| } |
| } |
| }; |
| |
| class SettingsObserver extends ContentObserver { |
| private final Uri NOTIFICATION_LIGHT_PULSE_URI |
| = Settings.System.getUriFor(Settings.System.NOTIFICATION_LIGHT_PULSE); |
| |
| private final Uri ENABLED_NOTIFICATION_LISTENERS_URI |
| = Settings.Secure.getUriFor(Settings.Secure.ENABLED_NOTIFICATION_LISTENERS); |
| |
| SettingsObserver(Handler handler) { |
| super(handler); |
| } |
| |
| void observe() { |
| ContentResolver resolver = mContext.getContentResolver(); |
| resolver.registerContentObserver(NOTIFICATION_LIGHT_PULSE_URI, |
| false, this, UserHandle.USER_ALL); |
| resolver.registerContentObserver(ENABLED_NOTIFICATION_LISTENERS_URI, |
| false, this, UserHandle.USER_ALL); |
| update(null); |
| } |
| |
| @Override public void onChange(boolean selfChange, Uri uri) { |
| update(uri); |
| } |
| |
| public void update(Uri uri) { |
| ContentResolver resolver = mContext.getContentResolver(); |
| if (uri == null || NOTIFICATION_LIGHT_PULSE_URI.equals(uri)) { |
| boolean pulseEnabled = Settings.System.getInt(resolver, |
| Settings.System.NOTIFICATION_LIGHT_PULSE, 0) != 0; |
| if (mNotificationPulseEnabled != pulseEnabled) { |
| mNotificationPulseEnabled = pulseEnabled; |
| updateNotificationPulse(); |
| } |
| } |
| if (uri == null || ENABLED_NOTIFICATION_LISTENERS_URI.equals(uri)) { |
| rebindListenerServices(); |
| } |
| } |
| } |
| |
| private SettingsObserver mSettingsObserver; |
| |
| static long[] getLongArray(Resources r, int resid, int maxlen, long[] def) { |
| int[] ar = r.getIntArray(resid); |
| if (ar == null) { |
| return def; |
| } |
| final int len = ar.length > maxlen ? maxlen : ar.length; |
| long[] out = new long[len]; |
| for (int i=0; i<len; i++) { |
| out[i] = ar[i]; |
| } |
| return out; |
| } |
| |
| NotificationManagerService(Context context, StatusBarManagerService statusBar, |
| LightsService lights) |
| { |
| super(); |
| mContext = context; |
| mVibrator = (Vibrator)context.getSystemService(Context.VIBRATOR_SERVICE); |
| mAm = ActivityManagerNative.getDefault(); |
| mUserManager = (UserManager)context.getSystemService(Context.USER_SERVICE); |
| mToastQueue = new ArrayList<ToastRecord>(); |
| mHandler = new WorkerHandler(); |
| |
| mAppOps = (AppOpsManager)context.getSystemService(Context.APP_OPS_SERVICE); |
| |
| importOldBlockDb(); |
| |
| mStatusBar = statusBar; |
| statusBar.setNotificationCallbacks(mNotificationCallbacks); |
| |
| mNotificationLight = lights.getLight(LightsService.LIGHT_ID_NOTIFICATIONS); |
| mAttentionLight = lights.getLight(LightsService.LIGHT_ID_ATTENTION); |
| |
| Resources resources = mContext.getResources(); |
| mDefaultNotificationColor = resources.getColor( |
| R.color.config_defaultNotificationColor); |
| mDefaultNotificationLedOn = resources.getInteger( |
| R.integer.config_defaultNotificationLedOn); |
| mDefaultNotificationLedOff = resources.getInteger( |
| R.integer.config_defaultNotificationLedOff); |
| |
| mDefaultVibrationPattern = getLongArray(resources, |
| R.array.config_defaultNotificationVibePattern, |
| VIBRATE_PATTERN_MAXLEN, |
| DEFAULT_VIBRATE_PATTERN); |
| |
| mFallbackVibrationPattern = getLongArray(resources, |
| R.array.config_notificationFallbackVibePattern, |
| VIBRATE_PATTERN_MAXLEN, |
| DEFAULT_VIBRATE_PATTERN); |
| |
| // Don't start allowing notifications until the setup wizard has run once. |
| // After that, including subsequent boots, init with notifications turned on. |
| // This works on the first boot because the setup wizard will toggle this |
| // flag at least once and we'll go back to 0 after that. |
| if (0 == Settings.Global.getInt(mContext.getContentResolver(), |
| Settings.Global.DEVICE_PROVISIONED, 0)) { |
| mDisabledNotifications = StatusBarManager.DISABLE_NOTIFICATION_ALERTS; |
| } |
| |
| // register for various Intents |
| IntentFilter filter = new IntentFilter(); |
| filter.addAction(Intent.ACTION_SCREEN_ON); |
| filter.addAction(Intent.ACTION_SCREEN_OFF); |
| filter.addAction(TelephonyManager.ACTION_PHONE_STATE_CHANGED); |
| filter.addAction(Intent.ACTION_USER_PRESENT); |
| filter.addAction(Intent.ACTION_USER_STOPPED); |
| filter.addAction(Intent.ACTION_USER_SWITCHED); |
| mContext.registerReceiver(mIntentReceiver, filter); |
| IntentFilter pkgFilter = new IntentFilter(); |
| pkgFilter.addAction(Intent.ACTION_PACKAGE_ADDED); |
| pkgFilter.addAction(Intent.ACTION_PACKAGE_REMOVED); |
| pkgFilter.addAction(Intent.ACTION_PACKAGE_CHANGED); |
| pkgFilter.addAction(Intent.ACTION_PACKAGE_RESTARTED); |
| pkgFilter.addAction(Intent.ACTION_QUERY_PACKAGE_RESTART); |
| pkgFilter.addDataScheme("package"); |
| mContext.registerReceiver(mIntentReceiver, pkgFilter); |
| IntentFilter sdFilter = new IntentFilter(Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE); |
| mContext.registerReceiver(mIntentReceiver, sdFilter); |
| |
| mSettingsObserver = new SettingsObserver(mHandler); |
| mSettingsObserver.observe(); |
| |
| // spin up NotificationScorers |
| String[] notificationScorerNames = resources.getStringArray( |
| R.array.config_notificationScorers); |
| for (String scorerName : notificationScorerNames) { |
| try { |
| Class<?> scorerClass = mContext.getClassLoader().loadClass(scorerName); |
| NotificationScorer scorer = (NotificationScorer) scorerClass.newInstance(); |
| scorer.initialize(mContext); |
| mScorers.add(scorer); |
| } catch (ClassNotFoundException e) { |
| Slog.w(TAG, "Couldn't find scorer " + scorerName + ".", e); |
| } catch (InstantiationException e) { |
| Slog.w(TAG, "Couldn't instantiate scorer " + scorerName + ".", e); |
| } catch (IllegalAccessException e) { |
| Slog.w(TAG, "Problem accessing scorer " + scorerName + ".", e); |
| } |
| } |
| } |
| |
| /** |
| * Read the old XML-based app block database and import those blockages into the AppOps system. |
| */ |
| private void importOldBlockDb() { |
| loadBlockDb(); |
| |
| PackageManager pm = mContext.getPackageManager(); |
| for (String pkg : mBlockedPackages) { |
| PackageInfo info = null; |
| try { |
| info = pm.getPackageInfo(pkg, 0); |
| setNotificationsEnabledForPackage(pkg, info.applicationInfo.uid, false); |
| } catch (NameNotFoundException e) { |
| // forget you |
| } |
| } |
| mBlockedPackages.clear(); |
| if (mPolicyFile != null) { |
| mPolicyFile.delete(); |
| } |
| } |
| |
| void systemReady() { |
| mAudioService = IAudioService.Stub.asInterface( |
| ServiceManager.getService(Context.AUDIO_SERVICE)); |
| |
| // no beeping until we're basically done booting |
| mSystemReady = true; |
| |
| // make sure our listener services are properly bound |
| rebindListenerServices(); |
| } |
| |
| // Toasts |
| // ============================================================================ |
| public void enqueueToast(String pkg, ITransientNotification callback, int duration) |
| { |
| if (DBG) Slog.i(TAG, "enqueueToast pkg=" + pkg + " callback=" + callback + " duration=" + duration); |
| |
| if (pkg == null || callback == null) { |
| Slog.e(TAG, "Not doing toast. pkg=" + pkg + " callback=" + callback); |
| return ; |
| } |
| |
| final boolean isSystemToast = isCallerSystem() || ("android".equals(pkg)); |
| |
| if (ENABLE_BLOCKED_TOASTS && !noteNotificationOp(pkg, Binder.getCallingUid())) { |
| if (!isSystemToast) { |
| Slog.e(TAG, "Suppressing toast from package " + pkg + " by user request."); |
| return; |
| } |
| } |
| |
| synchronized (mToastQueue) { |
| int callingPid = Binder.getCallingPid(); |
| long callingId = Binder.clearCallingIdentity(); |
| try { |
| ToastRecord record; |
| int index = indexOfToastLocked(pkg, callback); |
| // If it's already in the queue, we update it in place, we don't |
| // move it to the end of the queue. |
| if (index >= 0) { |
| record = mToastQueue.get(index); |
| record.update(duration); |
| } else { |
| // Limit the number of toasts that any given package except the android |
| // package can enqueue. Prevents DOS attacks and deals with leaks. |
| if (!isSystemToast) { |
| int count = 0; |
| final int N = mToastQueue.size(); |
| for (int i=0; i<N; i++) { |
| final ToastRecord r = mToastQueue.get(i); |
| if (r.pkg.equals(pkg)) { |
| count++; |
| if (count >= MAX_PACKAGE_NOTIFICATIONS) { |
| Slog.e(TAG, "Package has already posted " + count |
| + " toasts. Not showing more. Package=" + pkg); |
| return; |
| } |
| } |
| } |
| } |
| |
| record = new ToastRecord(callingPid, pkg, callback, duration); |
| mToastQueue.add(record); |
| index = mToastQueue.size() - 1; |
| keepProcessAliveLocked(callingPid); |
| } |
| // If it's at index 0, it's the current toast. It doesn't matter if it's |
| // new or just been updated. Call back and tell it to show itself. |
| // If the callback fails, this will remove it from the list, so don't |
| // assume that it's valid after this. |
| if (index == 0) { |
| showNextToastLocked(); |
| } |
| } finally { |
| Binder.restoreCallingIdentity(callingId); |
| } |
| } |
| } |
| |
| public void cancelToast(String pkg, ITransientNotification callback) { |
| Slog.i(TAG, "cancelToast pkg=" + pkg + " callback=" + callback); |
| |
| if (pkg == null || callback == null) { |
| Slog.e(TAG, "Not cancelling notification. pkg=" + pkg + " callback=" + callback); |
| return ; |
| } |
| |
| synchronized (mToastQueue) { |
| long callingId = Binder.clearCallingIdentity(); |
| try { |
| int index = indexOfToastLocked(pkg, callback); |
| if (index >= 0) { |
| cancelToastLocked(index); |
| } else { |
| Slog.w(TAG, "Toast already cancelled. pkg=" + pkg + " callback=" + callback); |
| } |
| } finally { |
| Binder.restoreCallingIdentity(callingId); |
| } |
| } |
| } |
| |
| private void showNextToastLocked() { |
| ToastRecord record = mToastQueue.get(0); |
| while (record != null) { |
| if (DBG) Slog.d(TAG, "Show pkg=" + record.pkg + " callback=" + record.callback); |
| try { |
| record.callback.show(); |
| scheduleTimeoutLocked(record); |
| return; |
| } catch (RemoteException e) { |
| Slog.w(TAG, "Object died trying to show notification " + record.callback |
| + " in package " + record.pkg); |
| // remove it from the list and let the process die |
| int index = mToastQueue.indexOf(record); |
| if (index >= 0) { |
| mToastQueue.remove(index); |
| } |
| keepProcessAliveLocked(record.pid); |
| if (mToastQueue.size() > 0) { |
| record = mToastQueue.get(0); |
| } else { |
| record = null; |
| } |
| } |
| } |
| } |
| |
| private void cancelToastLocked(int index) { |
| ToastRecord record = mToastQueue.get(index); |
| try { |
| record.callback.hide(); |
| } catch (RemoteException e) { |
| Slog.w(TAG, "Object died trying to hide notification " + record.callback |
| + " in package " + record.pkg); |
| // don't worry about this, we're about to remove it from |
| // the list anyway |
| } |
| mToastQueue.remove(index); |
| keepProcessAliveLocked(record.pid); |
| if (mToastQueue.size() > 0) { |
| // Show the next one. If the callback fails, this will remove |
| // it from the list, so don't assume that the list hasn't changed |
| // after this point. |
| showNextToastLocked(); |
| } |
| } |
| |
| private void scheduleTimeoutLocked(ToastRecord r) |
| { |
| mHandler.removeCallbacksAndMessages(r); |
| Message m = Message.obtain(mHandler, MESSAGE_TIMEOUT, r); |
| long delay = r.duration == Toast.LENGTH_LONG ? LONG_DELAY : SHORT_DELAY; |
| mHandler.sendMessageDelayed(m, delay); |
| } |
| |
| private void handleTimeout(ToastRecord record) |
| { |
| if (DBG) Slog.d(TAG, "Timeout pkg=" + record.pkg + " callback=" + record.callback); |
| synchronized (mToastQueue) { |
| int index = indexOfToastLocked(record.pkg, record.callback); |
| if (index >= 0) { |
| cancelToastLocked(index); |
| } |
| } |
| } |
| |
| // lock on mToastQueue |
| private int indexOfToastLocked(String pkg, ITransientNotification callback) |
| { |
| IBinder cbak = callback.asBinder(); |
| ArrayList<ToastRecord> list = mToastQueue; |
| int len = list.size(); |
| for (int i=0; i<len; i++) { |
| ToastRecord r = list.get(i); |
| if (r.pkg.equals(pkg) && r.callback.asBinder() == cbak) { |
| return i; |
| } |
| } |
| return -1; |
| } |
| |
| // lock on mToastQueue |
| private void keepProcessAliveLocked(int pid) |
| { |
| int toastCount = 0; // toasts from this pid |
| ArrayList<ToastRecord> list = mToastQueue; |
| int N = list.size(); |
| for (int i=0; i<N; i++) { |
| ToastRecord r = list.get(i); |
| if (r.pid == pid) { |
| toastCount++; |
| } |
| } |
| try { |
| mAm.setProcessForeground(mForegroundToken, pid, toastCount > 0); |
| } catch (RemoteException e) { |
| // Shouldn't happen. |
| } |
| } |
| |
| private final class WorkerHandler extends Handler |
| { |
| @Override |
| public void handleMessage(Message msg) |
| { |
| switch (msg.what) |
| { |
| case MESSAGE_TIMEOUT: |
| handleTimeout((ToastRecord)msg.obj); |
| break; |
| } |
| } |
| } |
| |
| |
| // Notifications |
| // ============================================================================ |
| public void enqueueNotificationWithTag(String pkg, String basePkg, String tag, int id, |
| Notification notification, int[] idOut, int userId) |
| { |
| enqueueNotificationInternal(pkg, basePkg, Binder.getCallingUid(), Binder.getCallingPid(), |
| tag, id, notification, idOut, userId); |
| } |
| |
| private final static int clamp(int x, int low, int high) { |
| return (x < low) ? low : ((x > high) ? high : x); |
| } |
| |
| // Not exposed via Binder; for system use only (otherwise malicious apps could spoof the |
| // uid/pid of another application) |
| |
| public void enqueueNotificationInternal(final String pkg, String basePkg, final int callingUid, |
| final int callingPid, final String tag, final int id, final Notification notification, |
| int[] idOut, int incomingUserId) |
| { |
| if (DBG) { |
| Slog.v(TAG, "enqueueNotificationInternal: pkg=" + pkg + " id=" + id + " notification=" + notification); |
| } |
| checkCallerIsSystemOrSameApp(pkg); |
| final boolean isSystemNotification = isUidSystem(callingUid) || ("android".equals(pkg)); |
| |
| final int userId = ActivityManager.handleIncomingUser(callingPid, |
| callingUid, incomingUserId, true, false, "enqueueNotification", pkg); |
| final UserHandle user = new UserHandle(userId); |
| |
| // Limit the number of notifications that any given package except the android |
| // package can enqueue. Prevents DOS attacks and deals with leaks. |
| if (!isSystemNotification) { |
| synchronized (mNotificationList) { |
| int count = 0; |
| final int N = mNotificationList.size(); |
| for (int i=0; i<N; i++) { |
| final NotificationRecord r = mNotificationList.get(i); |
| if (r.sbn.getPackageName().equals(pkg) && r.sbn.getUserId() == userId) { |
| count++; |
| if (count >= MAX_PACKAGE_NOTIFICATIONS) { |
| Slog.e(TAG, "Package has already posted " + count |
| + " notifications. Not showing more. package=" + pkg); |
| return; |
| } |
| } |
| } |
| } |
| } |
| |
| // This conditional is a dirty hack to limit the logging done on |
| // behalf of the download manager without affecting other apps. |
| if (!pkg.equals("com.android.providers.downloads") |
| || Log.isLoggable("DownloadManager", Log.VERBOSE)) { |
| EventLog.writeEvent(EventLogTags.NOTIFICATION_ENQUEUE, pkg, id, tag, userId, |
| notification.toString()); |
| } |
| |
| if (pkg == null || notification == null) { |
| throw new IllegalArgumentException("null not allowed: pkg=" + pkg |
| + " id=" + id + " notification=" + notification); |
| } |
| if (notification.icon != 0) { |
| if (notification.contentView == null) { |
| throw new IllegalArgumentException("contentView required: pkg=" + pkg |
| + " id=" + id + " notification=" + notification); |
| } |
| } |
| |
| mHandler.post(new Runnable() { |
| @Override |
| public void run() { |
| |
| // === Scoring === |
| |
| // 0. Sanitize inputs |
| notification.priority = clamp(notification.priority, Notification.PRIORITY_MIN, |
| Notification.PRIORITY_MAX); |
| // Migrate notification flags to scores |
| if (0 != (notification.flags & Notification.FLAG_HIGH_PRIORITY)) { |
| if (notification.priority < Notification.PRIORITY_MAX) { |
| notification.priority = Notification.PRIORITY_MAX; |
| } |
| } else if (SCORE_ONGOING_HIGHER && |
| 0 != (notification.flags & Notification.FLAG_ONGOING_EVENT)) { |
| if (notification.priority < Notification.PRIORITY_HIGH) { |
| notification.priority = Notification.PRIORITY_HIGH; |
| } |
| } |
| |
| // 1. initial score: buckets of 10, around the app |
| int score = notification.priority * NOTIFICATION_PRIORITY_MULTIPLIER; //[-20..20] |
| |
| // 2. Consult external heuristics (TBD) |
| |
| // 3. Apply local rules |
| |
| int initialScore = score; |
| if (!mScorers.isEmpty()) { |
| if (DBG) Slog.v(TAG, "Initial score is " + score + "."); |
| for (NotificationScorer scorer : mScorers) { |
| try { |
| score = scorer.getScore(notification, score); |
| } catch (Throwable t) { |
| Slog.w(TAG, "Scorer threw on .getScore.", t); |
| } |
| } |
| if (DBG) Slog.v(TAG, "Final score is " + score + "."); |
| } |
| |
| // add extra to indicate score modified by NotificationScorer |
| notification.extras.putBoolean(Notification.EXTRA_SCORE_MODIFIED, |
| score != initialScore); |
| |
| // blocked apps |
| if (ENABLE_BLOCKED_NOTIFICATIONS && !noteNotificationOp(pkg, callingUid)) { |
| if (!isSystemNotification) { |
| score = JUNK_SCORE; |
| Slog.e(TAG, "Suppressing notification from package " + pkg |
| + " by user request."); |
| } |
| } |
| |
| if (DBG) { |
| Slog.v(TAG, "Assigned score=" + score + " to " + notification); |
| } |
| |
| if (score < SCORE_DISPLAY_THRESHOLD) { |
| // Notification will be blocked because the score is too low. |
| return; |
| } |
| |
| // Should this notification make noise, vibe, or use the LED? |
| final boolean canInterrupt = (score >= SCORE_INTERRUPTION_THRESHOLD); |
| |
| synchronized (mNotificationList) { |
| final StatusBarNotification n = new StatusBarNotification( |
| pkg, id, tag, callingUid, callingPid, score, notification, user); |
| NotificationRecord r = new NotificationRecord(n); |
| NotificationRecord old = null; |
| |
| int index = indexOfNotificationLocked(pkg, tag, id, userId); |
| if (index < 0) { |
| mNotificationList.add(r); |
| } else { |
| old = mNotificationList.remove(index); |
| mNotificationList.add(index, r); |
| // Make sure we don't lose the foreground service state. |
| if (old != null) { |
| notification.flags |= |
| old.getNotification().flags & Notification.FLAG_FOREGROUND_SERVICE; |
| } |
| } |
| |
| // Ensure if this is a foreground service that the proper additional |
| // flags are set. |
| if ((notification.flags&Notification.FLAG_FOREGROUND_SERVICE) != 0) { |
| notification.flags |= Notification.FLAG_ONGOING_EVENT |
| | Notification.FLAG_NO_CLEAR; |
| } |
| |
| final int currentUser; |
| final long token = Binder.clearCallingIdentity(); |
| try { |
| currentUser = ActivityManager.getCurrentUser(); |
| } finally { |
| Binder.restoreCallingIdentity(token); |
| } |
| |
| if (notification.icon != 0) { |
| if (old != null && old.statusBarKey != null) { |
| r.statusBarKey = old.statusBarKey; |
| long identity = Binder.clearCallingIdentity(); |
| try { |
| mStatusBar.updateNotification(r.statusBarKey, n); |
| } |
| finally { |
| Binder.restoreCallingIdentity(identity); |
| } |
| } else { |
| long identity = Binder.clearCallingIdentity(); |
| try { |
| r.statusBarKey = mStatusBar.addNotification(n); |
| if ((n.getNotification().flags & Notification.FLAG_SHOW_LIGHTS) != 0 |
| && canInterrupt) { |
| mAttentionLight.pulse(); |
| } |
| } |
| finally { |
| Binder.restoreCallingIdentity(identity); |
| } |
| } |
| // Send accessibility events only for the current user. |
| if (currentUser == userId) { |
| sendAccessibilityEvent(notification, pkg); |
| } |
| |
| notifyPostedLocked(r); |
| } else { |
| Slog.e(TAG, "Not posting notification with icon==0: " + notification); |
| if (old != null && old.statusBarKey != null) { |
| long identity = Binder.clearCallingIdentity(); |
| try { |
| mStatusBar.removeNotification(old.statusBarKey); |
| } |
| finally { |
| Binder.restoreCallingIdentity(identity); |
| } |
| |
| notifyRemovedLocked(r); |
| } |
| // ATTENTION: in a future release we will bail out here |
| // so that we do not play sounds, show lights, etc. for invalid notifications |
| Slog.e(TAG, "WARNING: In a future release this will crash the app: " |
| + n.getPackageName()); |
| } |
| |
| // If we're not supposed to beep, vibrate, etc. then don't. |
| if (((mDisabledNotifications & StatusBarManager.DISABLE_NOTIFICATION_ALERTS) == 0) |
| && (!(old != null |
| && (notification.flags & Notification.FLAG_ONLY_ALERT_ONCE) != 0 )) |
| && (r.getUserId() == UserHandle.USER_ALL || |
| (r.getUserId() == userId && r.getUserId() == currentUser)) |
| && canInterrupt |
| && mSystemReady) { |
| |
| final AudioManager audioManager = (AudioManager) mContext |
| .getSystemService(Context.AUDIO_SERVICE); |
| |
| // sound |
| |
| // should we use the default notification sound? (indicated either by |
| // DEFAULT_SOUND or because notification.sound is pointing at |
| // Settings.System.NOTIFICATION_SOUND) |
| final boolean useDefaultSound = |
| (notification.defaults & Notification.DEFAULT_SOUND) != 0 || |
| Settings.System.DEFAULT_NOTIFICATION_URI |
| .equals(notification.sound); |
| |
| Uri soundUri = null; |
| boolean hasValidSound = false; |
| |
| if (useDefaultSound) { |
| soundUri = Settings.System.DEFAULT_NOTIFICATION_URI; |
| |
| // check to see if the default notification sound is silent |
| ContentResolver resolver = mContext.getContentResolver(); |
| hasValidSound = Settings.System.getString(resolver, |
| Settings.System.NOTIFICATION_SOUND) != null; |
| } else if (notification.sound != null) { |
| soundUri = notification.sound; |
| hasValidSound = (soundUri != null); |
| } |
| |
| if (hasValidSound) { |
| boolean looping = (notification.flags & Notification.FLAG_INSISTENT) != 0; |
| int audioStreamType; |
| if (notification.audioStreamType >= 0) { |
| audioStreamType = notification.audioStreamType; |
| } else { |
| audioStreamType = DEFAULT_STREAM_TYPE; |
| } |
| mSoundNotification = r; |
| // do not play notifications if stream volume is 0 (typically because |
| // ringer mode is silent) or if there is a user of exclusive audio focus |
| if ((audioManager.getStreamVolume(audioStreamType) != 0) |
| && !audioManager.isAudioFocusExclusive()) { |
| final long identity = Binder.clearCallingIdentity(); |
| try { |
| final IRingtonePlayer player = mAudioService.getRingtonePlayer(); |
| if (player != null) { |
| player.playAsync(soundUri, user, looping, audioStreamType); |
| } |
| } catch (RemoteException e) { |
| } finally { |
| Binder.restoreCallingIdentity(identity); |
| } |
| } |
| } |
| |
| // vibrate |
| // Does the notification want to specify its own vibration? |
| final boolean hasCustomVibrate = notification.vibrate != null; |
| |
| // new in 4.2: if there was supposed to be a sound and we're in vibrate |
| // mode, and no other vibration is specified, we fall back to vibration |
| final boolean convertSoundToVibration = |
| !hasCustomVibrate |
| && hasValidSound |
| && (audioManager.getRingerMode() |
| == AudioManager.RINGER_MODE_VIBRATE); |
| |
| // The DEFAULT_VIBRATE flag trumps any custom vibration AND the fallback. |
| final boolean useDefaultVibrate = |
| (notification.defaults & Notification.DEFAULT_VIBRATE) != 0; |
| |
| if ((useDefaultVibrate || convertSoundToVibration || hasCustomVibrate) |
| && !(audioManager.getRingerMode() |
| == AudioManager.RINGER_MODE_SILENT)) { |
| mVibrateNotification = r; |
| |
| if (useDefaultVibrate || convertSoundToVibration) { |
| // Escalate privileges so we can use the vibrator even if the |
| // notifying app does not have the VIBRATE permission. |
| long identity = Binder.clearCallingIdentity(); |
| try { |
| mVibrator.vibrate(r.sbn.getUid(), r.sbn.getBasePkg(), |
| useDefaultVibrate ? mDefaultVibrationPattern |
| : mFallbackVibrationPattern, |
| ((notification.flags & Notification.FLAG_INSISTENT) != 0) |
| ? 0: -1); |
| } finally { |
| Binder.restoreCallingIdentity(identity); |
| } |
| } else if (notification.vibrate.length > 1) { |
| // If you want your own vibration pattern, you need the VIBRATE |
| // permission |
| mVibrator.vibrate(r.sbn.getUid(), r.sbn.getBasePkg(), |
| notification.vibrate, |
| ((notification.flags & Notification.FLAG_INSISTENT) != 0) |
| ? 0: -1); |
| } |
| } |
| } |
| |
| // light |
| // the most recent thing gets the light |
| mLights.remove(old); |
| if (mLedNotification == old) { |
| mLedNotification = null; |
| } |
| //Slog.i(TAG, "notification.lights=" |
| // + ((old.notification.lights.flags & Notification.FLAG_SHOW_LIGHTS) |
| // != 0)); |
| if ((notification.flags & Notification.FLAG_SHOW_LIGHTS) != 0 |
| && canInterrupt) { |
| mLights.add(r); |
| updateLightsLocked(); |
| } else { |
| if (old != null |
| && ((old.getFlags() & Notification.FLAG_SHOW_LIGHTS) != 0)) { |
| updateLightsLocked(); |
| } |
| } |
| } |
| } |
| }); |
| |
| idOut[0] = id; |
| } |
| |
| private void sendAccessibilityEvent(Notification notification, CharSequence packageName) { |
| AccessibilityManager manager = AccessibilityManager.getInstance(mContext); |
| if (!manager.isEnabled()) { |
| return; |
| } |
| |
| AccessibilityEvent event = |
| AccessibilityEvent.obtain(AccessibilityEvent.TYPE_NOTIFICATION_STATE_CHANGED); |
| event.setPackageName(packageName); |
| event.setClassName(Notification.class.getName()); |
| event.setParcelableData(notification); |
| CharSequence tickerText = notification.tickerText; |
| if (!TextUtils.isEmpty(tickerText)) { |
| event.getText().add(tickerText); |
| } |
| |
| manager.sendAccessibilityEvent(event); |
| } |
| |
| private void cancelNotificationLocked(NotificationRecord r, boolean sendDelete) { |
| // tell the app |
| if (sendDelete) { |
| if (r.getNotification().deleteIntent != null) { |
| try { |
| r.getNotification().deleteIntent.send(); |
| } catch (PendingIntent.CanceledException ex) { |
| // do nothing - there's no relevant way to recover, and |
| // no reason to let this propagate |
| Slog.w(TAG, "canceled PendingIntent for " + r.sbn.getPackageName(), ex); |
| } |
| } |
| } |
| |
| // status bar |
| if (r.getNotification().icon != 0) { |
| long identity = Binder.clearCallingIdentity(); |
| try { |
| mStatusBar.removeNotification(r.statusBarKey); |
| } |
| finally { |
| Binder.restoreCallingIdentity(identity); |
| } |
| r.statusBarKey = null; |
| notifyRemovedLocked(r); |
| } |
| |
| // sound |
| if (mSoundNotification == r) { |
| mSoundNotification = null; |
| final long identity = Binder.clearCallingIdentity(); |
| try { |
| final IRingtonePlayer player = mAudioService.getRingtonePlayer(); |
| if (player != null) { |
| player.stopAsync(); |
| } |
| } catch (RemoteException e) { |
| } finally { |
| Binder.restoreCallingIdentity(identity); |
| } |
| } |
| |
| // vibrate |
| if (mVibrateNotification == r) { |
| mVibrateNotification = null; |
| long identity = Binder.clearCallingIdentity(); |
| try { |
| mVibrator.cancel(); |
| } |
| finally { |
| Binder.restoreCallingIdentity(identity); |
| } |
| } |
| |
| // light |
| mLights.remove(r); |
| if (mLedNotification == r) { |
| mLedNotification = null; |
| } |
| |
| // Save it for users of getHistoricalNotifications() |
| mArchive.record(r.sbn); |
| } |
| |
| /** |
| * Cancels a notification ONLY if it has all of the {@code mustHaveFlags} |
| * and none of the {@code mustNotHaveFlags}. |
| */ |
| private void cancelNotification(final String pkg, final String tag, final int id, |
| final int mustHaveFlags, final int mustNotHaveFlags, final boolean sendDelete, |
| final int userId) { |
| // In enqueueNotificationInternal notifications are added by scheduling the |
| // work on the worker handler. Hence, we also schedule the cancel on this |
| // handler to avoid a scenario where an add notification call followed by a |
| // remove notification call ends up in not removing the notification. |
| mHandler.post(new Runnable() { |
| @Override |
| public void run() { |
| EventLog.writeEvent(EventLogTags.NOTIFICATION_CANCEL, pkg, id, tag, userId, |
| mustHaveFlags, mustNotHaveFlags); |
| |
| synchronized (mNotificationList) { |
| int index = indexOfNotificationLocked(pkg, tag, id, userId); |
| if (index >= 0) { |
| NotificationRecord r = mNotificationList.get(index); |
| |
| if ((r.getNotification().flags & mustHaveFlags) != mustHaveFlags) { |
| return; |
| } |
| if ((r.getNotification().flags & mustNotHaveFlags) != 0) { |
| return; |
| } |
| |
| mNotificationList.remove(index); |
| |
| cancelNotificationLocked(r, sendDelete); |
| updateLightsLocked(); |
| } |
| } |
| } |
| }); |
| } |
| |
| /** |
| * Determine whether the userId applies to the notification in question, either because |
| * they match exactly, or one of them is USER_ALL (which is treated as a wildcard). |
| */ |
| private boolean notificationMatchesUserId(NotificationRecord r, int userId) { |
| return |
| // looking for USER_ALL notifications? match everything |
| userId == UserHandle.USER_ALL |
| // a notification sent to USER_ALL matches any query |
| || r.getUserId() == UserHandle.USER_ALL |
| // an exact user match |
| || r.getUserId() == userId; |
| } |
| |
| /** |
| * Cancels all notifications from a given package that have all of the |
| * {@code mustHaveFlags}. |
| */ |
| boolean cancelAllNotificationsInt(String pkg, int mustHaveFlags, |
| int mustNotHaveFlags, boolean doit, int userId) { |
| EventLog.writeEvent(EventLogTags.NOTIFICATION_CANCEL_ALL, pkg, userId, |
| mustHaveFlags, mustNotHaveFlags); |
| |
| synchronized (mNotificationList) { |
| final int N = mNotificationList.size(); |
| boolean canceledSomething = false; |
| for (int i = N-1; i >= 0; --i) { |
| NotificationRecord r = mNotificationList.get(i); |
| if (!notificationMatchesUserId(r, userId)) { |
| continue; |
| } |
| // Don't remove notifications to all, if there's no package name specified |
| if (r.getUserId() == UserHandle.USER_ALL && pkg == null) { |
| continue; |
| } |
| if ((r.getFlags() & mustHaveFlags) != mustHaveFlags) { |
| continue; |
| } |
| if ((r.getFlags() & mustNotHaveFlags) != 0) { |
| continue; |
| } |
| if (pkg != null && !r.sbn.getPackageName().equals(pkg)) { |
| continue; |
| } |
| canceledSomething = true; |
| if (!doit) { |
| return true; |
| } |
| mNotificationList.remove(i); |
| cancelNotificationLocked(r, false); |
| } |
| if (canceledSomething) { |
| updateLightsLocked(); |
| } |
| return canceledSomething; |
| } |
| } |
| |
| public void cancelNotificationWithTag(String pkg, String tag, int id, int userId) { |
| checkCallerIsSystemOrSameApp(pkg); |
| userId = ActivityManager.handleIncomingUser(Binder.getCallingPid(), |
| Binder.getCallingUid(), userId, true, false, "cancelNotificationWithTag", pkg); |
| // Don't allow client applications to cancel foreground service notis. |
| cancelNotification(pkg, tag, id, 0, |
| Binder.getCallingUid() == Process.SYSTEM_UID |
| ? 0 : Notification.FLAG_FOREGROUND_SERVICE, false, userId); |
| } |
| |
| public void cancelAllNotifications(String pkg, int userId) { |
| checkCallerIsSystemOrSameApp(pkg); |
| |
| userId = ActivityManager.handleIncomingUser(Binder.getCallingPid(), |
| Binder.getCallingUid(), userId, true, false, "cancelAllNotifications", pkg); |
| |
| // Calling from user space, don't allow the canceling of actively |
| // running foreground services. |
| cancelAllNotificationsInt(pkg, 0, Notification.FLAG_FOREGROUND_SERVICE, true, userId); |
| } |
| |
| // Return true if the UID is a system or phone UID and therefore should not have |
| // any notifications or toasts blocked. |
| boolean isUidSystem(int uid) { |
| final int appid = UserHandle.getAppId(uid); |
| return (appid == Process.SYSTEM_UID || appid == Process.PHONE_UID || uid == 0); |
| } |
| |
| // same as isUidSystem(int, int) for the Binder caller's UID. |
| boolean isCallerSystem() { |
| return isUidSystem(Binder.getCallingUid()); |
| } |
| |
| void checkCallerIsSystem() { |
| if (isCallerSystem()) { |
| return; |
| } |
| throw new SecurityException("Disallowed call for uid " + Binder.getCallingUid()); |
| } |
| |
| void checkCallerIsSystemOrSameApp(String pkg) { |
| if (isCallerSystem()) { |
| return; |
| } |
| final int uid = Binder.getCallingUid(); |
| try { |
| ApplicationInfo ai = AppGlobals.getPackageManager().getApplicationInfo( |
| pkg, 0, UserHandle.getCallingUserId()); |
| if (!UserHandle.isSameApp(ai.uid, uid)) { |
| throw new SecurityException("Calling uid " + uid + " gave package" |
| + pkg + " which is owned by uid " + ai.uid); |
| } |
| } catch (RemoteException re) { |
| throw new SecurityException("Unknown package " + pkg + "\n" + re); |
| } |
| } |
| |
| void cancelAll(int userId) { |
| synchronized (mNotificationList) { |
| final int N = mNotificationList.size(); |
| for (int i=N-1; i>=0; i--) { |
| NotificationRecord r = mNotificationList.get(i); |
| |
| if (!notificationMatchesUserId(r, userId)) { |
| continue; |
| } |
| |
| if ((r.getFlags() & (Notification.FLAG_ONGOING_EVENT |
| | Notification.FLAG_NO_CLEAR)) == 0) { |
| mNotificationList.remove(i); |
| cancelNotificationLocked(r, true); |
| } |
| } |
| |
| updateLightsLocked(); |
| } |
| } |
| |
| // lock on mNotificationList |
| private void updateLightsLocked() |
| { |
| // handle notification lights |
| if (mLedNotification == null) { |
| // get next notification, if any |
| int n = mLights.size(); |
| if (n > 0) { |
| mLedNotification = mLights.get(n-1); |
| } |
| } |
| |
| // Don't flash while we are in a call or screen is on |
| if (mLedNotification == null || mInCall || mScreenOn) { |
| mNotificationLight.turnOff(); |
| } else { |
| final Notification ledno = mLedNotification.sbn.getNotification(); |
| int ledARGB = ledno.ledARGB; |
| int ledOnMS = ledno.ledOnMS; |
| int ledOffMS = ledno.ledOffMS; |
| if ((ledno.defaults & Notification.DEFAULT_LIGHTS) != 0) { |
| ledARGB = mDefaultNotificationColor; |
| ledOnMS = mDefaultNotificationLedOn; |
| ledOffMS = mDefaultNotificationLedOff; |
| } |
| if (mNotificationPulseEnabled) { |
| // pulse repeatedly |
| mNotificationLight.setFlashing(ledARGB, LightsService.LIGHT_FLASH_TIMED, |
| ledOnMS, ledOffMS); |
| } |
| } |
| } |
| |
| // lock on mNotificationList |
| private int indexOfNotificationLocked(String pkg, String tag, int id, int userId) |
| { |
| ArrayList<NotificationRecord> list = mNotificationList; |
| final int len = list.size(); |
| for (int i=0; i<len; i++) { |
| NotificationRecord r = list.get(i); |
| if (!notificationMatchesUserId(r, userId) || r.sbn.getId() != id) { |
| continue; |
| } |
| if (tag == null) { |
| if (r.sbn.getTag() != null) { |
| continue; |
| } |
| } else { |
| if (!tag.equals(r.sbn.getTag())) { |
| continue; |
| } |
| } |
| if (r.sbn.getPackageName().equals(pkg)) { |
| return i; |
| } |
| } |
| return -1; |
| } |
| |
| private void updateNotificationPulse() { |
| synchronized (mNotificationList) { |
| updateLightsLocked(); |
| } |
| } |
| |
| // ====================================================================== |
| @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 NotificationManager from from pid=" |
| + Binder.getCallingPid() |
| + ", uid=" + Binder.getCallingUid()); |
| return; |
| } |
| |
| pw.println("Current Notification Manager state:"); |
| |
| pw.println(" Listeners (" + mEnabledListenersForCurrentUser.size() |
| + ") enabled for current user:"); |
| for (ComponentName cmpt : mEnabledListenersForCurrentUser) { |
| pw.println(" " + cmpt); |
| } |
| |
| pw.println(" Live listeners (" + mListeners.size() + "):"); |
| for (NotificationListenerInfo info : mListeners) { |
| pw.println(" " + info.component |
| + " (user " + info.userid + "): " + info.listener |
| + (info.isSystem?" SYSTEM":"")); |
| } |
| |
| int N; |
| |
| synchronized (mToastQueue) { |
| N = mToastQueue.size(); |
| if (N > 0) { |
| pw.println(" Toast Queue:"); |
| for (int i=0; i<N; i++) { |
| mToastQueue.get(i).dump(pw, " "); |
| } |
| pw.println(" "); |
| } |
| |
| } |
| |
| synchronized (mNotificationList) { |
| N = mNotificationList.size(); |
| if (N > 0) { |
| pw.println(" Notification List:"); |
| for (int i=0; i<N; i++) { |
| mNotificationList.get(i).dump(pw, " ", mContext); |
| } |
| pw.println(" "); |
| } |
| |
| N = mLights.size(); |
| if (N > 0) { |
| pw.println(" Lights List:"); |
| for (int i=0; i<N; i++) { |
| pw.println(" " + mLights.get(i)); |
| } |
| pw.println(" "); |
| } |
| |
| pw.println(" mSoundNotification=" + mSoundNotification); |
| pw.println(" mVibrateNotification=" + mVibrateNotification); |
| pw.println(" mDisabledNotifications=0x" + Integer.toHexString(mDisabledNotifications)); |
| pw.println(" mSystemReady=" + mSystemReady); |
| pw.println(" mArchive=" + mArchive.toString()); |
| Iterator<StatusBarNotification> iter = mArchive.descendingIterator(); |
| int i=0; |
| while (iter.hasNext()) { |
| pw.println(" " + iter.next()); |
| if (++i >= 5) { |
| if (iter.hasNext()) pw.println(" ..."); |
| break; |
| } |
| } |
| |
| } |
| } |
| } |