| /* |
| * 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.notification; |
| |
| 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.pm.ApplicationInfo; |
| import android.content.pm.PackageInfo; |
| import android.content.pm.PackageManager; |
| import android.content.pm.PackageManager.NameNotFoundException; |
| import android.content.pm.ParceledListSlice; |
| import android.content.res.Resources; |
| import android.database.ContentObserver; |
| import android.media.AudioManager; |
| import android.media.IRingtonePlayer; |
| import android.net.Uri; |
| import android.os.Binder; |
| import android.os.Environment; |
| import android.os.Handler; |
| import android.os.HandlerThread; |
| import android.os.IBinder; |
| import android.os.IInterface; |
| import android.os.Looper; |
| import android.os.Message; |
| import android.os.Process; |
| import android.os.RemoteException; |
| import android.os.UserHandle; |
| import android.os.Vibrator; |
| import android.provider.Settings; |
| import android.service.notification.Condition; |
| import android.service.notification.IConditionListener; |
| import android.service.notification.IConditionProvider; |
| import android.service.notification.INotificationListener; |
| import android.service.notification.NotificationListenerService; |
| import android.service.notification.NotificationRankingUpdate; |
| import android.service.notification.StatusBarNotification; |
| import android.service.notification.ZenModeConfig; |
| import android.telephony.TelephonyManager; |
| import android.text.TextUtils; |
| import android.util.ArrayMap; |
| import android.util.AtomicFile; |
| 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.util.FastXmlSerializer; |
| import com.android.server.EventLogTags; |
| import com.android.server.SystemService; |
| import com.android.server.lights.Light; |
| import com.android.server.lights.LightsManager; |
| import com.android.server.notification.ManagedServices.ManagedServiceInfo; |
| import com.android.server.notification.ManagedServices.UserProfiles; |
| import com.android.server.statusbar.StatusBarManagerInternal; |
| |
| import libcore.io.IoUtils; |
| |
| import org.xmlpull.v1.XmlPullParser; |
| import org.xmlpull.v1.XmlPullParserException; |
| import org.xmlpull.v1.XmlSerializer; |
| |
| import java.io.File; |
| import java.io.FileDescriptor; |
| import java.io.FileInputStream; |
| import java.io.FileNotFoundException; |
| import java.io.FileOutputStream; |
| import java.io.IOException; |
| import java.io.PrintWriter; |
| import java.util.ArrayDeque; |
| import java.util.ArrayList; |
| import java.util.Collections; |
| import java.util.HashSet; |
| import java.util.Iterator; |
| import java.util.NoSuchElementException; |
| import java.util.concurrent.TimeUnit; |
| |
| /** {@hide} */ |
| public class NotificationManagerService extends SystemService { |
| static final String TAG = "NotificationService"; |
| static final boolean DBG = false; |
| |
| static final int MAX_PACKAGE_NOTIFICATIONS = 50; |
| |
| // message codes |
| static final int MESSAGE_TIMEOUT = 2; |
| static final int MESSAGE_SAVE_POLICY_FILE = 3; |
| static final int MESSAGE_RECONSIDER_RANKING = 4; |
| static final int MESSAGE_SEND_RANKING_UPDATE = 5; |
| |
| static final int LONG_DELAY = 3500; // 3.5 seconds |
| static final int SHORT_DELAY = 2000; // 2 seconds |
| |
| static final long[] DEFAULT_VIBRATE_PATTERN = {0, 250, 250, 250}; |
| static final int VIBRATE_PATTERN_MAXLEN = 8 * 2 + 1; // up to eight bumps |
| |
| static final int DEFAULT_STREAM_TYPE = AudioManager.STREAM_NOTIFICATION; |
| static final boolean SCORE_ONGOING_HIGHER = false; |
| |
| static final int JUNK_SCORE = -1000; |
| static final int NOTIFICATION_PRIORITY_MULTIPLIER = 10; |
| 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 |
| static final int SCORE_INTERRUPTION_THRESHOLD = |
| Notification.PRIORITY_LOW * NOTIFICATION_PRIORITY_MULTIPLIER; |
| |
| static final boolean ENABLE_BLOCKED_NOTIFICATIONS = true; |
| static final boolean ENABLE_BLOCKED_TOASTS = true; |
| |
| private IActivityManager mAm; |
| AudioManager mAudioManager; |
| StatusBarManagerInternal mStatusBar; |
| Vibrator mVibrator; |
| |
| final IBinder mForegroundToken = new Binder(); |
| private WorkerHandler mHandler; |
| private final HandlerThread mRankingThread = new HandlerThread("ranker", |
| Process.THREAD_PRIORITY_BACKGROUND); |
| private Handler mRankingHandler = null; |
| |
| private Light mNotificationLight; |
| Light mAttentionLight; |
| private int mDefaultNotificationColor; |
| private int mDefaultNotificationLedOn; |
| |
| private int mDefaultNotificationLedOff; |
| private long[] mDefaultVibrationPattern; |
| |
| private long[] mFallbackVibrationPattern; |
| private boolean mUseAttentionLight; |
| boolean mSystemReady; |
| |
| private boolean mDisableNotificationAlerts; |
| NotificationRecord mSoundNotification; |
| NotificationRecord mVibrateNotification; |
| |
| // 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 |
| final ArrayList<NotificationRecord> mNotificationList = |
| new ArrayList<NotificationRecord>(); |
| final NotificationComparator mRankingComparator = new NotificationComparator(); |
| final ArrayMap<String, NotificationRecord> mNotificationsByKey = |
| new ArrayMap<String, NotificationRecord>(); |
| final ArrayList<ToastRecord> mToastQueue = new ArrayList<ToastRecord>(); |
| |
| ArrayList<String> mLights = new ArrayList<String>(); |
| NotificationRecord mLedNotification; |
| |
| private AppOpsManager mAppOps; |
| |
| private Archive mArchive; |
| |
| // 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"; |
| |
| final ArrayList<NotificationSignalExtractor> mSignalExtractors = new ArrayList<NotificationSignalExtractor>(); |
| |
| private final UserProfiles mUserProfiles = new UserProfiles(); |
| private NotificationListeners mListeners; |
| private ConditionProviders mConditionProviders; |
| private NotificationUsageStats mUsageStats; |
| |
| private static final int MY_UID = Process.myUid(); |
| private static final int MY_PID = Process.myPid(); |
| private static final int REASON_DELEGATE_CLICK = 1; |
| private static final int REASON_DELEGATE_CANCEL = 2; |
| private static final int REASON_DELEGATE_CANCEL_ALL = 3; |
| private static final int REASON_DELEGATE_ERROR = 4; |
| private static final int REASON_PACKAGE_CHANGED = 5; |
| private static final int REASON_USER_STOPPED = 6; |
| private static final int REASON_PACKAGE_BANNED = 7; |
| private static final int REASON_NOMAN_CANCEL = 8; |
| private static final int REASON_NOMAN_CANCEL_ALL = 9; |
| private static final int REASON_LISTENER_CANCEL = 10; |
| private static final int REASON_LISTENER_CANCEL_ALL = 11; |
| |
| private static class Archive { |
| final int mBufferSize; |
| final ArrayDeque<StatusBarNotification> mBuffer; |
| |
| public Archive(int size) { |
| mBufferSize = size; |
| mBuffer = new ArrayDeque<StatusBarNotification>(mBufferSize); |
| } |
| |
| 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() == mBufferSize) { |
| 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 = mBufferSize; |
| 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 = mBufferSize; |
| 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; |
| } |
| |
| } |
| |
| private void loadPolicyFile() { |
| synchronized(mPolicyFile) { |
| 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; |
| } |
| } |
| } |
| } |
| mZenModeHelper.readXml(parser); |
| } |
| } catch (FileNotFoundException e) { |
| // No data yet |
| } catch (IOException e) { |
| Log.wtf(TAG, "Unable to read notification policy", e); |
| } catch (NumberFormatException e) { |
| Log.wtf(TAG, "Unable to parse notification policy", e); |
| } catch (XmlPullParserException e) { |
| Log.wtf(TAG, "Unable to parse notification policy", e); |
| } finally { |
| IoUtils.closeQuietly(infile); |
| } |
| } |
| } |
| |
| public void savePolicyFile() { |
| mHandler.removeMessages(MESSAGE_SAVE_POLICY_FILE); |
| mHandler.sendEmptyMessage(MESSAGE_SAVE_POLICY_FILE); |
| } |
| |
| private void handleSavePolicyFile() { |
| Slog.d(TAG, "handleSavePolicyFile"); |
| synchronized (mPolicyFile) { |
| final FileOutputStream stream; |
| try { |
| stream = mPolicyFile.startWrite(); |
| } catch (IOException e) { |
| Slog.w(TAG, "Failed to save policy file", e); |
| return; |
| } |
| |
| try { |
| final XmlSerializer out = new FastXmlSerializer(); |
| out.setOutput(stream, "utf-8"); |
| out.startDocument(null, true); |
| out.startTag(null, TAG_BODY); |
| out.attribute(null, ATTR_VERSION, Integer.toString(DB_VERSION)); |
| mZenModeHelper.writeXml(out); |
| out.endTag(null, TAG_BODY); |
| out.endDocument(); |
| mPolicyFile.finishWrite(stream); |
| } catch (IOException e) { |
| Slog.w(TAG, "Failed to save policy file, restoring backup", e); |
| mPolicyFile.failWrite(stream); |
| } |
| } |
| } |
| |
| /** 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; |
| } |
| |
| 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, DumpFilter filter) { |
| if (filter != null && !filter.matches(pkg)) return; |
| pw.println(prefix + this); |
| } |
| |
| @Override |
| public final String toString() |
| { |
| return "ToastRecord{" |
| + Integer.toHexString(System.identityHashCode(this)) |
| + " pkg=" + pkg |
| + " callback=" + callback |
| + " duration=" + duration; |
| } |
| } |
| |
| private final NotificationDelegate mNotificationDelegate = new NotificationDelegate() { |
| |
| @Override |
| public void onSetDisabled(int status) { |
| synchronized (mNotificationList) { |
| mDisableNotificationAlerts = (status & StatusBarManager.DISABLE_NOTIFICATION_ALERTS) != 0; |
| if (mDisableNotificationAlerts) { |
| // cancel whatever's going on |
| long identity = Binder.clearCallingIdentity(); |
| try { |
| final IRingtonePlayer player = mAudioManager.getRingtonePlayer(); |
| if (player != null) { |
| player.stopAsync(); |
| } |
| } catch (RemoteException e) { |
| } finally { |
| Binder.restoreCallingIdentity(identity); |
| } |
| |
| identity = Binder.clearCallingIdentity(); |
| try { |
| mVibrator.cancel(); |
| } finally { |
| Binder.restoreCallingIdentity(identity); |
| } |
| } |
| } |
| } |
| |
| @Override |
| public void onClearAll(int callingUid, int callingPid, int userId) { |
| synchronized (mNotificationList) { |
| cancelAllLocked(callingUid, callingPid, userId, REASON_DELEGATE_CANCEL_ALL, null, |
| /*includeCurrentProfiles*/ true); |
| } |
| } |
| |
| @Override |
| public void onNotificationClick(int callingUid, int callingPid, String key) { |
| synchronized (mNotificationList) { |
| EventLogTags.writeNotificationClicked(key); |
| NotificationRecord r = mNotificationsByKey.get(key); |
| if (r == null) { |
| Log.w(TAG, "No notification with key: " + key); |
| return; |
| } |
| StatusBarNotification sbn = r.sbn; |
| cancelNotification(callingUid, callingPid, sbn.getPackageName(), sbn.getTag(), |
| sbn.getId(), Notification.FLAG_AUTO_CANCEL, |
| Notification.FLAG_FOREGROUND_SERVICE, false, r.getUserId(), |
| REASON_DELEGATE_CLICK, null); |
| } |
| } |
| |
| @Override |
| public void onNotificationClear(int callingUid, int callingPid, |
| String pkg, String tag, int id, int userId) { |
| cancelNotification(callingUid, callingPid, pkg, tag, id, 0, |
| Notification.FLAG_ONGOING_EVENT | Notification.FLAG_FOREGROUND_SERVICE, |
| true, userId, REASON_DELEGATE_CANCEL, null); |
| } |
| |
| @Override |
| public void onPanelRevealed() { |
| EventLogTags.writeNotificationPanelRevealed(); |
| synchronized (mNotificationList) { |
| // sound |
| mSoundNotification = null; |
| |
| long identity = Binder.clearCallingIdentity(); |
| try { |
| final IRingtonePlayer player = mAudioManager.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(); |
| } |
| } |
| |
| @Override |
| public void onPanelHidden() { |
| EventLogTags.writeNotificationPanelHidden(); |
| } |
| |
| @Override |
| public void onNotificationError(int callingUid, int callingPid, String pkg, String tag, int id, |
| int uid, int initialPid, String message, int userId) { |
| Slog.d(TAG, "onNotification error pkg=" + pkg + " tag=" + tag + " id=" + id |
| + "; will crashApplication(uid=" + uid + ", pid=" + initialPid + ")"); |
| cancelNotification(callingUid, callingPid, pkg, tag, id, 0, 0, false, userId, |
| REASON_DELEGATE_ERROR, null); |
| long ident = Binder.clearCallingIdentity(); |
| try { |
| ActivityManagerNative.getDefault().crashApplication(uid, initialPid, pkg, |
| "Bad notification posted from package " + pkg |
| + ": " + message); |
| } catch (RemoteException e) { |
| } |
| Binder.restoreCallingIdentity(ident); |
| } |
| |
| @Override |
| public boolean allowDisable(int what, IBinder token, String pkg) { |
| return mZenModeHelper.allowDisable(what, token, pkg); |
| } |
| |
| @Override |
| public void onNotificationVisibilityChanged( |
| String[] newlyVisibleKeys, String[] noLongerVisibleKeys) { |
| // Using ';' as separator since eventlogs uses ',' to separate |
| // args. |
| EventLogTags.writeNotificationVisibilityChanged( |
| TextUtils.join(";", newlyVisibleKeys), |
| TextUtils.join(";", noLongerVisibleKeys)); |
| synchronized (mNotificationList) { |
| for (String key : newlyVisibleKeys) { |
| NotificationRecord r = mNotificationsByKey.get(key); |
| if (r == null) continue; |
| r.stats.onVisibilityChanged(true); |
| } |
| // Note that we might receive this event after notifications |
| // have already left the system, e.g. after dismissing from the |
| // shade. Hence not finding notifications in |
| // mNotificationsByKey is not an exceptional condition. |
| for (String key : noLongerVisibleKeys) { |
| NotificationRecord r = mNotificationsByKey.get(key); |
| if (r == null) continue; |
| r.stats.onVisibilityChanged(false); |
| } |
| } |
| } |
| }; |
| |
| 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, "action=" + action + " 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 = getContext().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}; |
| } |
| |
| if (pkgList != null && (pkgList.length > 0)) { |
| for (String pkgName : pkgList) { |
| if (cancelNotifications) { |
| cancelAllNotificationsInt(MY_UID, MY_PID, pkgName, 0, 0, !queryRestart, |
| UserHandle.USER_ALL, REASON_PACKAGE_CHANGED, null); |
| } |
| } |
| } |
| mListeners.onPackagesChanged(queryReplace, pkgList); |
| mConditionProviders.onPackagesChanged(queryReplace, pkgList); |
| } 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 = TelephonyManager.EXTRA_STATE_OFFHOOK |
| .equals(intent.getStringExtra(TelephonyManager.EXTRA_STATE)); |
| updateNotificationPulse(); |
| } else if (action.equals(Intent.ACTION_USER_STOPPED)) { |
| int userHandle = intent.getIntExtra(Intent.EXTRA_USER_HANDLE, -1); |
| if (userHandle >= 0) { |
| cancelAllNotificationsInt(MY_UID, MY_PID, null, 0, 0, true, userHandle, |
| REASON_USER_STOPPED, null); |
| } |
| } 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); |
| mUserProfiles.updateCache(context); |
| } else if (action.equals(Intent.ACTION_USER_ADDED)) { |
| mUserProfiles.updateCache(context); |
| } |
| } |
| }; |
| |
| class SettingsObserver extends ContentObserver { |
| private final Uri NOTIFICATION_LIGHT_PULSE_URI |
| = Settings.System.getUriFor(Settings.System.NOTIFICATION_LIGHT_PULSE); |
| |
| SettingsObserver(Handler handler) { |
| super(handler); |
| } |
| |
| void observe() { |
| ContentResolver resolver = getContext().getContentResolver(); |
| resolver.registerContentObserver(NOTIFICATION_LIGHT_PULSE_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 = getContext().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(); |
| } |
| } |
| } |
| } |
| |
| private SettingsObserver mSettingsObserver; |
| private ZenModeHelper mZenModeHelper; |
| |
| 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; |
| } |
| |
| public NotificationManagerService(Context context) { |
| super(context); |
| } |
| |
| @Override |
| public void onStart() { |
| mAm = ActivityManagerNative.getDefault(); |
| mAppOps = (AppOpsManager) getContext().getSystemService(Context.APP_OPS_SERVICE); |
| mVibrator = (Vibrator) getContext().getSystemService(Context.VIBRATOR_SERVICE); |
| |
| mHandler = new WorkerHandler(); |
| mRankingThread.start(); |
| mRankingHandler = new RankingWorkerHandler(mRankingThread.getLooper()); |
| mZenModeHelper = new ZenModeHelper(getContext(), mHandler); |
| mZenModeHelper.addCallback(new ZenModeHelper.Callback() { |
| @Override |
| public void onConfigChanged() { |
| savePolicyFile(); |
| } |
| }); |
| final File systemDir = new File(Environment.getDataDirectory(), "system"); |
| mPolicyFile = new AtomicFile(new File(systemDir, "notification_policy.xml")); |
| mUsageStats = new NotificationUsageStats(getContext()); |
| |
| importOldBlockDb(); |
| |
| mListeners = new NotificationListeners(); |
| mConditionProviders = new ConditionProviders(getContext(), |
| mHandler, mUserProfiles, mZenModeHelper); |
| mStatusBar = getLocalService(StatusBarManagerInternal.class); |
| mStatusBar.setNotificationDelegate(mNotificationDelegate); |
| |
| final LightsManager lights = getLocalService(LightsManager.class); |
| mNotificationLight = lights.getLight(LightsManager.LIGHT_ID_NOTIFICATIONS); |
| mAttentionLight = lights.getLight(LightsManager.LIGHT_ID_ATTENTION); |
| |
| Resources resources = getContext().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); |
| |
| mUseAttentionLight = resources.getBoolean(R.bool.config_useAttentionLight); |
| |
| // 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(getContext().getContentResolver(), |
| Settings.Global.DEVICE_PROVISIONED, 0)) { |
| mDisableNotificationAlerts = true; |
| } |
| mZenModeHelper.updateZenMode(); |
| |
| mUserProfiles.updateCache(getContext()); |
| |
| // 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); |
| filter.addAction(Intent.ACTION_USER_ADDED); |
| getContext().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"); |
| getContext().registerReceiver(mIntentReceiver, pkgFilter); |
| IntentFilter sdFilter = new IntentFilter(Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE); |
| getContext().registerReceiver(mIntentReceiver, sdFilter); |
| |
| mSettingsObserver = new SettingsObserver(mHandler); |
| |
| // spin up NotificationSignalExtractors |
| String[] extractorNames = resources.getStringArray( |
| R.array.config_notificationSignalExtractors); |
| for (String extractorName : extractorNames) { |
| try { |
| Class<?> extractorClass = getContext().getClassLoader().loadClass(extractorName); |
| NotificationSignalExtractor extractor = |
| (NotificationSignalExtractor) extractorClass.newInstance(); |
| extractor.initialize(getContext()); |
| mSignalExtractors.add(extractor); |
| } catch (ClassNotFoundException e) { |
| Slog.w(TAG, "Couldn't find extractor " + extractorName + ".", e); |
| } catch (InstantiationException e) { |
| Slog.w(TAG, "Couldn't instantiate extractor " + extractorName + ".", e); |
| } catch (IllegalAccessException e) { |
| Slog.w(TAG, "Problem accessing extractor " + extractorName + ".", e); |
| } |
| } |
| |
| mArchive = new Archive(resources.getInteger( |
| R.integer.config_notificationServiceArchiveSize)); |
| |
| publishBinderService(Context.NOTIFICATION_SERVICE, mService); |
| publishLocalService(NotificationManagerInternal.class, mInternalService); |
| } |
| |
| /** |
| * Read the old XML-based app block database and import those blockages into the AppOps system. |
| */ |
| private void importOldBlockDb() { |
| loadPolicyFile(); |
| |
| PackageManager pm = getContext().getPackageManager(); |
| for (String pkg : mBlockedPackages) { |
| PackageInfo info = null; |
| try { |
| info = pm.getPackageInfo(pkg, 0); |
| setNotificationsEnabledForPackageImpl(pkg, info.applicationInfo.uid, false); |
| } catch (NameNotFoundException e) { |
| // forget you |
| } |
| } |
| mBlockedPackages.clear(); |
| } |
| |
| @Override |
| public void onBootPhase(int phase) { |
| if (phase == SystemService.PHASE_SYSTEM_SERVICES_READY) { |
| // no beeping until we're basically done booting |
| mSystemReady = true; |
| |
| // Grab our optional AudioService |
| mAudioManager = (AudioManager) getContext().getSystemService(Context.AUDIO_SERVICE); |
| mZenModeHelper.setAudioManager(mAudioManager); |
| } else if (phase == SystemService.PHASE_THIRD_PARTY_APPS_CAN_START) { |
| // This observer will force an update when observe is called, causing us to |
| // bind to listener services. |
| mSettingsObserver.observe(); |
| mListeners.onBootPhaseAppsCanStart(); |
| mConditionProviders.onBootPhaseAppsCanStart(); |
| } |
| } |
| |
| void setNotificationsEnabledForPackageImpl(String pkg, int uid, boolean enabled) { |
| 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(MY_UID, MY_PID, pkg, 0, 0, true, UserHandle.getUserId(uid), |
| REASON_PACKAGE_BANNED, null); |
| } |
| } |
| |
| private final IBinder mService = new INotificationManager.Stub() { |
| // Toasts |
| // ============================================================================ |
| |
| @Override |
| 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); |
| } |
| } |
| } |
| |
| @Override |
| 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); |
| } |
| } |
| } |
| |
| @Override |
| public void enqueueNotificationWithTag(String pkg, String opPkg, String tag, int id, |
| Notification notification, int[] idOut, int userId) throws RemoteException { |
| enqueueNotificationInternal(pkg, opPkg, Binder.getCallingUid(), |
| Binder.getCallingPid(), tag, id, notification, idOut, userId); |
| } |
| |
| @Override |
| 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(Binder.getCallingUid(), Binder.getCallingPid(), pkg, tag, id, 0, |
| Binder.getCallingUid() == Process.SYSTEM_UID |
| ? 0 : Notification.FLAG_FOREGROUND_SERVICE, false, userId, REASON_NOMAN_CANCEL, |
| null); |
| } |
| |
| @Override |
| 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(Binder.getCallingUid(), Binder.getCallingPid(), |
| pkg, 0, Notification.FLAG_FOREGROUND_SERVICE, true, userId, |
| REASON_NOMAN_CANCEL_ALL, null); |
| } |
| |
| @Override |
| public void setNotificationsEnabledForPackage(String pkg, int uid, boolean enabled) { |
| checkCallerIsSystem(); |
| |
| setNotificationsEnabledForPackageImpl(pkg, uid, enabled); |
| } |
| |
| /** |
| * Use this when you just want to know if notifications are OK for this package. |
| */ |
| @Override |
| public boolean areNotificationsEnabledForPackage(String pkg, int uid) { |
| checkCallerIsSystem(); |
| return (mAppOps.checkOpNoThrow(AppOpsManager.OP_POST_NOTIFICATION, uid, pkg) |
| == AppOpsManager.MODE_ALLOWED); |
| } |
| |
| /** |
| * System-only API for getting a list of current (i.e. not cleared) notifications. |
| * |
| * Requires ACCESS_NOTIFICATIONS which is signature|system. |
| * @returns A list of all the notifications, in natural order. |
| */ |
| @Override |
| public StatusBarNotification[] getActiveNotifications(String callingPkg) { |
| // enforce() will ensure the calling uid has the correct permission |
| getContext().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 |
| getContext().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; |
| } |
| |
| /** |
| * 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) { |
| enforceSystemOrSystemUI("INotificationManager.registerListener"); |
| mListeners.registerService(listener, component, userid); |
| } |
| |
| /** |
| * Remove a listener binder directly |
| */ |
| @Override |
| public void unregisterListener(INotificationListener listener, int userid) { |
| mListeners.unregisterService(listener, userid); |
| } |
| |
| /** |
| * 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 |
| */ |
| @Override |
| public void cancelNotificationsFromListener(INotificationListener token, String[] keys) { |
| final int callingUid = Binder.getCallingUid(); |
| final int callingPid = Binder.getCallingPid(); |
| long identity = Binder.clearCallingIdentity(); |
| try { |
| synchronized (mNotificationList) { |
| final ManagedServiceInfo info = mListeners.checkServiceTokenLocked(token); |
| if (keys != null) { |
| final int N = keys.length; |
| for (int i = 0; i < N; i++) { |
| NotificationRecord r = mNotificationsByKey.get(keys[i]); |
| final int userId = r.sbn.getUserId(); |
| if (userId != info.userid && userId != UserHandle.USER_ALL && |
| !mUserProfiles.isCurrentProfile(userId)) { |
| throw new SecurityException("Disallowed call from listener: " |
| + info.service); |
| } |
| if (r != null) { |
| cancelNotificationFromListenerLocked(info, callingUid, callingPid, |
| r.sbn.getPackageName(), r.sbn.getTag(), r.sbn.getId(), |
| userId); |
| } |
| } |
| } else { |
| cancelAllLocked(callingUid, callingPid, info.userid, |
| REASON_LISTENER_CANCEL_ALL, info, info.supportsProfiles()); |
| } |
| } |
| } finally { |
| Binder.restoreCallingIdentity(identity); |
| } |
| } |
| |
| private void cancelNotificationFromListenerLocked(ManagedServiceInfo info, |
| int callingUid, int callingPid, String pkg, String tag, int id, int userId) { |
| cancelNotification(callingUid, callingPid, pkg, tag, id, 0, |
| Notification.FLAG_ONGOING_EVENT | Notification.FLAG_FOREGROUND_SERVICE, |
| true, |
| userId, REASON_LISTENER_CANCEL, info); |
| } |
| |
| /** |
| * 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 |
| */ |
| @Override |
| public void cancelNotificationFromListener(INotificationListener token, String pkg, |
| String tag, int id) { |
| final int callingUid = Binder.getCallingUid(); |
| final int callingPid = Binder.getCallingPid(); |
| long identity = Binder.clearCallingIdentity(); |
| try { |
| synchronized (mNotificationList) { |
| final ManagedServiceInfo info = mListeners.checkServiceTokenLocked(token); |
| if (info.supportsProfiles()) { |
| Log.e(TAG, "Ignoring deprecated cancelNotification(pkg, tag, id) " |
| + "from " + info.component |
| + " use cancelNotification(key) instead."); |
| } else { |
| cancelNotificationFromListenerLocked(info, callingUid, callingPid, |
| pkg, tag, id, 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 |
| * @returns The return value will contain the notifications specified in keys, in that |
| * order, or if keys is null, all the notifications, in natural order. |
| */ |
| @Override |
| public ParceledListSlice<StatusBarNotification> getActiveNotificationsFromListener( |
| INotificationListener token) { |
| synchronized (mNotificationList) { |
| final ManagedServiceInfo info = mListeners.checkServiceTokenLocked(token); |
| final ArrayList<StatusBarNotification> list |
| = new ArrayList<StatusBarNotification>(); |
| final int N = mNotificationList.size(); |
| for (int i=0; i<N; i++) { |
| StatusBarNotification sbn = mNotificationList.get(i).sbn; |
| if (info.enabledAndUserMatches(sbn.getUserId())) { |
| list.add(sbn); |
| } |
| } |
| return new ParceledListSlice<StatusBarNotification>(list); |
| } |
| } |
| |
| @Override |
| public ZenModeConfig getZenModeConfig() { |
| enforceSystemOrSystemUI("INotificationManager.getZenModeConfig"); |
| return mZenModeHelper.getConfig(); |
| } |
| |
| @Override |
| public boolean setZenModeConfig(ZenModeConfig config) { |
| checkCallerIsSystem(); |
| return mZenModeHelper.setConfig(config); |
| } |
| |
| @Override |
| public void notifyConditions(String pkg, IConditionProvider provider, |
| Condition[] conditions) { |
| final ManagedServiceInfo info = mConditionProviders.checkServiceToken(provider); |
| checkCallerIsSystemOrSameApp(pkg); |
| final long identity = Binder.clearCallingIdentity(); |
| try { |
| mConditionProviders.notifyConditions(pkg, info, conditions); |
| } finally { |
| Binder.restoreCallingIdentity(identity); |
| } |
| } |
| |
| @Override |
| public void requestZenModeConditions(IConditionListener callback, int relevance) { |
| enforceSystemOrSystemUI("INotificationManager.requestZenModeConditions"); |
| mConditionProviders.requestZenModeConditions(callback, relevance); |
| } |
| |
| @Override |
| public void setZenModeCondition(Uri conditionId) { |
| enforceSystemOrSystemUI("INotificationManager.setZenModeCondition"); |
| final long identity = Binder.clearCallingIdentity(); |
| try { |
| mConditionProviders.setZenModeCondition(conditionId); |
| } finally { |
| Binder.restoreCallingIdentity(identity); |
| } |
| } |
| |
| @Override |
| public void setAutomaticZenModeConditions(Uri[] conditionIds) { |
| enforceSystemOrSystemUI("INotificationManager.setAutomaticZenModeConditions"); |
| mConditionProviders.setAutomaticZenModeConditions(conditionIds); |
| } |
| |
| @Override |
| public Condition[] getAutomaticZenModeConditions() { |
| enforceSystemOrSystemUI("INotificationManager.getAutomaticZenModeConditions"); |
| return mConditionProviders.getAutomaticZenModeConditions(); |
| } |
| |
| private void enforceSystemOrSystemUI(String message) { |
| if (isCallerSystem()) return; |
| getContext().enforceCallingPermission(android.Manifest.permission.STATUS_BAR_SERVICE, |
| message); |
| } |
| |
| @Override |
| protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { |
| if (getContext().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; |
| } |
| |
| dumpImpl(pw, DumpFilter.parseFromArguments(args)); |
| } |
| }; |
| |
| private String[] getActiveNotificationKeys(INotificationListener token) { |
| final ManagedServiceInfo info = mListeners.checkServiceTokenLocked(token); |
| final ArrayList<String> keys = new ArrayList<String>(); |
| if (info.isEnabledForCurrentProfiles()) { |
| synchronized (mNotificationList) { |
| final int N = mNotificationList.size(); |
| for (int i = 0; i < N; i++) { |
| final StatusBarNotification sbn = mNotificationList.get(i).sbn; |
| if (info.enabledAndUserMatches(sbn.getUserId())) { |
| keys.add(sbn.getKey()); |
| } |
| } |
| } |
| } |
| return keys.toArray(new String[keys.size()]); |
| } |
| |
| void dumpImpl(PrintWriter pw, DumpFilter filter) { |
| pw.print("Current Notification Manager state"); |
| if (filter != null) { |
| pw.print(" (filtered to '"); pw.print(filter.pkgFilter); pw.print("')"); |
| } |
| pw.println(':'); |
| 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, " ", filter); |
| } |
| pw.println(" "); |
| } |
| } |
| |
| synchronized (mNotificationList) { |
| N = mNotificationList.size(); |
| if (N > 0) { |
| pw.println(" Notification List:"); |
| for (int i=0; i<N; i++) { |
| final NotificationRecord nr = mNotificationList.get(i); |
| if (filter != null && !filter.matches(nr.sbn)) continue; |
| nr.dump(pw, " ", getContext()); |
| } |
| pw.println(" "); |
| } |
| |
| if (filter == null) { |
| 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(" mDisableNotificationAlerts=" + mDisableNotificationAlerts); |
| pw.println(" mSystemReady=" + mSystemReady); |
| } |
| pw.println(" mArchive=" + mArchive.toString()); |
| Iterator<StatusBarNotification> iter = mArchive.descendingIterator(); |
| int i=0; |
| while (iter.hasNext()) { |
| final StatusBarNotification sbn = iter.next(); |
| if (filter != null && !filter.matches(sbn)) continue; |
| pw.println(" " + sbn); |
| if (++i >= 5) { |
| if (iter.hasNext()) pw.println(" ..."); |
| break; |
| } |
| } |
| |
| pw.println("\n Usage Stats:"); |
| mUsageStats.dump(pw, " ", filter); |
| |
| if (filter == null) { |
| pw.println("\n Zen Mode:"); |
| mZenModeHelper.dump(pw, " "); |
| } |
| |
| pw.println("\n Notification listeners:"); |
| mListeners.dump(pw, filter); |
| |
| pw.println("\n Condition providers:"); |
| mConditionProviders.dump(pw, filter); |
| } |
| } |
| |
| /** |
| * The private API only accessible to the system process. |
| */ |
| private final NotificationManagerInternal mInternalService = new NotificationManagerInternal() { |
| @Override |
| public void enqueueNotification(String pkg, String opPkg, int callingUid, int callingPid, |
| String tag, int id, Notification notification, int[] idReceived, int userId) { |
| enqueueNotificationInternal(pkg, opPkg, callingUid, callingPid, tag, id, notification, |
| idReceived, userId); |
| } |
| }; |
| |
| void enqueueNotificationInternal(final String pkg, final String opPkg, 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)) { |
| EventLogTags.writeNotificationEnqueue(callingUid, callingPid, |
| 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 [-20..20] |
| final int score = notification.priority * NOTIFICATION_PRIORITY_MULTIPLIER; |
| |
| // 2. extract ranking signals from the notification data |
| final StatusBarNotification n = new StatusBarNotification( |
| pkg, opPkg, id, tag, callingUid, callingPid, score, notification, |
| user); |
| NotificationRecord r = new NotificationRecord(n, score); |
| NotificationRecord old = mNotificationsByKey.get(n.getKey()); |
| if (old != null) { |
| // Retain ranking information from previous record |
| r.copyRankingInformation(old); |
| } |
| if (!mSignalExtractors.isEmpty()) { |
| for (NotificationSignalExtractor extractor : mSignalExtractors) { |
| try { |
| RankingReconsideration recon = extractor.process(r); |
| scheduleRankingReconsideration(recon); |
| } catch (Throwable t) { |
| Slog.w(TAG, "NotificationSignalExtractor failed.", t); |
| } |
| } |
| } |
| |
| // 3. Apply local rules |
| |
| // blocked apps |
| if (ENABLE_BLOCKED_NOTIFICATIONS && !noteNotificationOp(pkg, callingUid)) { |
| if (!isSystemNotification) { |
| r.score = JUNK_SCORE; |
| Slog.e(TAG, "Suppressing notification from package " + pkg |
| + " by user request."); |
| } |
| } |
| |
| if (r.score < SCORE_DISPLAY_THRESHOLD) { |
| // Notification will be blocked because the score is too low. |
| return; |
| } |
| |
| synchronized (mNotificationList) { |
| int index = indexOfNotificationLocked(n.getKey()); |
| if (index < 0) { |
| mNotificationList.add(r); |
| mUsageStats.registerPostedByApp(r); |
| } else { |
| old = mNotificationList.get(index); |
| mNotificationList.set(index, r); |
| mUsageStats.registerUpdatedByApp(r, old); |
| // Make sure we don't lose the foreground service state. |
| notification.flags |= |
| old.getNotification().flags & Notification.FLAG_FOREGROUND_SERVICE; |
| mNotificationsByKey.remove(old.sbn.getKey()); |
| r.isUpdate = true; |
| } |
| |
| mNotificationsByKey.put(n.getKey(), r); |
| |
| // 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; |
| } |
| |
| applyZenModeLocked(r); |
| |
| Collections.sort(mNotificationList, mRankingComparator); |
| |
| if (notification.icon != 0) { |
| mListeners.notifyPostedLocked(n); |
| } else { |
| Slog.e(TAG, "Not posting notification with icon==0: " + notification); |
| if (old != null && !old.isCanceled) { |
| mListeners.notifyRemovedLocked(n); |
| } |
| // 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()); |
| } |
| |
| buzzBeepBlinkLocked(r); |
| } |
| } |
| }); |
| |
| idOut[0] = id; |
| } |
| |
| private void buzzBeepBlinkLocked(NotificationRecord record) { |
| final Notification notification = record.sbn.getNotification(); |
| |
| // Should this notification make noise, vibe, or use the LED? |
| final boolean canInterrupt = (record.score >= SCORE_INTERRUPTION_THRESHOLD) && |
| !record.isIntercepted(); |
| if (DBG || record.isIntercepted()) |
| Slog.v(TAG, |
| "pkg=" + record.sbn.getPackageName() + " canInterrupt=" + canInterrupt + |
| " intercept=" + record.isIntercepted() |
| ); |
| |
| final int currentUser; |
| final long token = Binder.clearCallingIdentity(); |
| try { |
| currentUser = ActivityManager.getCurrentUser(); |
| } finally { |
| Binder.restoreCallingIdentity(token); |
| } |
| |
| // If we're not supposed to beep, vibrate, etc. then don't. |
| if (!mDisableNotificationAlerts |
| && (!(record.isUpdate |
| && (notification.flags & Notification.FLAG_ONLY_ALERT_ONCE) != 0 )) |
| && (record.getUserId() == UserHandle.USER_ALL || |
| record.getUserId() == currentUser || |
| mUserProfiles.isCurrentProfile(record.getUserId())) |
| && canInterrupt |
| && mSystemReady |
| && mAudioManager != null) { |
| if (DBG) Slog.v(TAG, "Interrupting!"); |
| |
| sendAccessibilityEvent(notification, record.sbn.getPackageName()); |
| |
| // 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 = getContext().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 = record; |
| // 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 ((mAudioManager.getStreamVolume(audioStreamType) != 0) |
| && !mAudioManager.isAudioFocusExclusive()) { |
| final long identity = Binder.clearCallingIdentity(); |
| try { |
| final IRingtonePlayer player = |
| mAudioManager.getRingtonePlayer(); |
| if (player != null) { |
| if (DBG) Slog.v(TAG, "Playing sound " + soundUri |
| + " on stream " + audioStreamType); |
| player.playAsync(soundUri, record.sbn.getUser(), 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 |
| && (mAudioManager.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) |
| && !(mAudioManager.getRingerMode() |
| == AudioManager.RINGER_MODE_SILENT)) { |
| mVibrateNotification = record; |
| |
| 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(record.sbn.getUid(), record.sbn.getOpPkg(), |
| useDefaultVibrate ? mDefaultVibrationPattern |
| : mFallbackVibrationPattern, |
| ((notification.flags & Notification.FLAG_INSISTENT) != 0) |
| ? 0: -1, notification.audioStreamType); |
| } finally { |
| Binder.restoreCallingIdentity(identity); |
| } |
| } else if (notification.vibrate.length > 1) { |
| // If you want your own vibration pattern, you need the VIBRATE |
| // permission |
| mVibrator.vibrate(record.sbn.getUid(), record.sbn.getOpPkg(), |
| notification.vibrate, |
| ((notification.flags & Notification.FLAG_INSISTENT) != 0) |
| ? 0: -1, notification.audioStreamType); |
| } |
| } |
| } |
| |
| // light |
| // release the light |
| boolean wasShowLights = mLights.remove(record.getKey()); |
| if (mLedNotification != null && record.getKey().equals(mLedNotification.getKey())) { |
| mLedNotification = null; |
| } |
| if ((notification.flags & Notification.FLAG_SHOW_LIGHTS) != 0 && canInterrupt) { |
| mLights.add(record.getKey()); |
| updateLightsLocked(); |
| if (mUseAttentionLight) { |
| mAttentionLight.pulse(); |
| } |
| } else if (wasShowLights) { |
| updateLightsLocked(); |
| } |
| } |
| |
| 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; |
| } |
| } |
| } |
| } |
| |
| 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 |
| 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 |
| 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 void scheduleRankingReconsideration(RankingReconsideration recon) { |
| if (recon != null) { |
| Message m = Message.obtain(mRankingHandler, MESSAGE_RECONSIDER_RANKING, recon); |
| long delay = recon.getDelay(TimeUnit.MILLISECONDS); |
| mRankingHandler.sendMessageDelayed(m, delay); |
| } |
| } |
| |
| private void handleRankingReconsideration(Message message) { |
| if (!(message.obj instanceof RankingReconsideration)) return; |
| RankingReconsideration recon = (RankingReconsideration) message.obj; |
| recon.run(); |
| boolean changed; |
| synchronized (mNotificationList) { |
| final NotificationRecord record = mNotificationsByKey.get(recon.getKey()); |
| if (record == null) { |
| return; |
| } |
| int indexBefore = findNotificationRecordIndexLocked(record); |
| boolean interceptBefore = record.isIntercepted(); |
| recon.applyChangesLocked(record); |
| applyZenModeLocked(record); |
| Collections.sort(mNotificationList, mRankingComparator); |
| int indexAfter = findNotificationRecordIndexLocked(record); |
| boolean interceptAfter = record.isIntercepted(); |
| changed = indexBefore != indexAfter || interceptBefore != interceptAfter; |
| if (interceptBefore && !interceptAfter) { |
| buzzBeepBlinkLocked(record); |
| } |
| } |
| if (changed) { |
| scheduleSendRankingUpdate(); |
| } |
| } |
| |
| // let zen mode evaluate this record |
| private void applyZenModeLocked(NotificationRecord record) { |
| record.setIntercepted(mZenModeHelper.shouldIntercept(record)); |
| } |
| |
| // lock on mNotificationList |
| private int findNotificationRecordIndexLocked(NotificationRecord target) { |
| return Collections.binarySearch(mNotificationList, target, mRankingComparator); |
| } |
| |
| private void scheduleSendRankingUpdate() { |
| mHandler.removeMessages(MESSAGE_SEND_RANKING_UPDATE); |
| Message m = Message.obtain(mHandler, MESSAGE_SEND_RANKING_UPDATE); |
| mHandler.sendMessage(m); |
| } |
| |
| private void handleSendRankingUpdate() { |
| synchronized (mNotificationList) { |
| mListeners.notifyRankingUpdateLocked(); |
| } |
| } |
| |
| private final class WorkerHandler extends Handler |
| { |
| @Override |
| public void handleMessage(Message msg) |
| { |
| switch (msg.what) |
| { |
| case MESSAGE_TIMEOUT: |
| handleTimeout((ToastRecord)msg.obj); |
| break; |
| case MESSAGE_SAVE_POLICY_FILE: |
| handleSavePolicyFile(); |
| break; |
| case MESSAGE_SEND_RANKING_UPDATE: |
| handleSendRankingUpdate(); |
| break; |
| } |
| } |
| |
| } |
| |
| private final class RankingWorkerHandler extends Handler |
| { |
| public RankingWorkerHandler(Looper looper) { |
| super(looper); |
| } |
| |
| @Override |
| public void handleMessage(Message msg) { |
| switch (msg.what) { |
| case MESSAGE_RECONSIDER_RANKING: |
| handleRankingReconsideration(msg); |
| break; |
| } |
| } |
| } |
| |
| // Notifications |
| // ============================================================================ |
| static int clamp(int x, int low, int high) { |
| return (x < low) ? low : ((x > high) ? high : x); |
| } |
| |
| void sendAccessibilityEvent(Notification notification, CharSequence packageName) { |
| AccessibilityManager manager = AccessibilityManager.getInstance(getContext()); |
| 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, int reason) { |
| // 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) { |
| r.isCanceled = true; |
| mListeners.notifyRemovedLocked(r.sbn); |
| } |
| |
| // sound |
| if (mSoundNotification == r) { |
| mSoundNotification = null; |
| final long identity = Binder.clearCallingIdentity(); |
| try { |
| final IRingtonePlayer player = mAudioManager.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.getKey()); |
| if (mLedNotification == r) { |
| mLedNotification = null; |
| } |
| |
| // Record usage stats |
| switch (reason) { |
| case REASON_DELEGATE_CANCEL: |
| case REASON_DELEGATE_CANCEL_ALL: |
| case REASON_LISTENER_CANCEL: |
| case REASON_LISTENER_CANCEL_ALL: |
| mUsageStats.registerDismissedByUser(r); |
| break; |
| case REASON_NOMAN_CANCEL: |
| case REASON_NOMAN_CANCEL_ALL: |
| mUsageStats.registerRemovedByApp(r); |
| break; |
| case REASON_DELEGATE_CLICK: |
| mUsageStats.registerCancelDueToClick(r); |
| break; |
| default: |
| mUsageStats.registerCancelUnknown(r); |
| break; |
| } |
| |
| // 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}. |
| */ |
| void cancelNotification(final int callingUid, final int callingPid, |
| final String pkg, final String tag, final int id, |
| final int mustHaveFlags, final int mustNotHaveFlags, final boolean sendDelete, |
| final int userId, final int reason, final ManagedServiceInfo listener) { |
| // 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() { |
| EventLogTags.writeNotificationCancel(callingUid, callingPid, pkg, id, tag, userId, |
| mustHaveFlags, mustNotHaveFlags, reason, |
| listener == null ? null : listener.component.toShortString()); |
| |
| synchronized (mNotificationList) { |
| int index = indexOfNotificationLocked(pkg, tag, id, userId); |
| if (index >= 0) { |
| NotificationRecord r = mNotificationList.get(index); |
| |
| // Ideally we'd do this in the caller of this method. However, that would |
| // require the caller to also find the notification. |
| if (reason == REASON_DELEGATE_CLICK) { |
| mUsageStats.registerClickedByUser(r); |
| } |
| |
| if ((r.getNotification().flags & mustHaveFlags) != mustHaveFlags) { |
| return; |
| } |
| if ((r.getNotification().flags & mustNotHaveFlags) != 0) { |
| return; |
| } |
| |
| mNotificationList.remove(index); |
| mNotificationsByKey.remove(r.sbn.getKey()); |
| |
| cancelNotificationLocked(r, sendDelete, reason); |
| 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; |
| } |
| |
| /** |
| * 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) or |
| * because it matches one of the users profiles. |
| */ |
| private boolean notificationMatchesCurrentProfiles(NotificationRecord r, int userId) { |
| return notificationMatchesUserId(r, userId) |
| || mUserProfiles.isCurrentProfile(r.getUserId()); |
| } |
| |
| /** |
| * Cancels all notifications from a given package that have all of the |
| * {@code mustHaveFlags}. |
| */ |
| boolean cancelAllNotificationsInt(int callingUid, int callingPid, String pkg, int mustHaveFlags, |
| int mustNotHaveFlags, boolean doit, int userId, int reason, |
| ManagedServiceInfo listener) { |
| EventLogTags.writeNotificationCancelAll(callingUid, callingPid, |
| pkg, userId, mustHaveFlags, mustNotHaveFlags, reason, |
| listener == null ? null : listener.component.toShortString()); |
| |
| 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); |
| mNotificationsByKey.remove(r.sbn.getKey()); |
| cancelNotificationLocked(r, false, reason); |
| } |
| if (canceledSomething) { |
| updateLightsLocked(); |
| } |
| return canceledSomething; |
| } |
| } |
| |
| void cancelAllLocked(int callingUid, int callingPid, int userId, int reason, |
| ManagedServiceInfo listener, boolean includeCurrentProfiles) { |
| EventLogTags.writeNotificationCancelAll(callingUid, callingPid, |
| null, userId, 0, 0, reason, |
| listener == null ? null : listener.component.toShortString()); |
| |
| final int N = mNotificationList.size(); |
| for (int i=N-1; i>=0; i--) { |
| NotificationRecord r = mNotificationList.get(i); |
| if (includeCurrentProfiles) { |
| if (!notificationMatchesCurrentProfiles(r, userId)) { |
| continue; |
| } |
| } else { |
| if (!notificationMatchesUserId(r, userId)) { |
| continue; |
| } |
| } |
| |
| if ((r.getFlags() & (Notification.FLAG_ONGOING_EVENT |
| | Notification.FLAG_NO_CLEAR)) == 0) { |
| mNotificationList.remove(i); |
| mNotificationsByKey.remove(r.sbn.getKey()); |
| cancelNotificationLocked(r, true, reason); |
| } |
| } |
| updateLightsLocked(); |
| } |
| |
| // lock on mNotificationList |
| void updateLightsLocked() |
| { |
| // handle notification lights |
| if (mLedNotification == null) { |
| // get next notification, if any |
| int n = mLights.size(); |
| if (n > 0) { |
| mLedNotification = mNotificationsByKey.get(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, Light.LIGHT_FLASH_TIMED, |
| ledOnMS, ledOffMS); |
| } |
| } |
| } |
| |
| // lock on mNotificationList |
| 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; |
| } |
| |
| // lock on mNotificationList |
| int indexOfNotificationLocked(String key) { |
| final int N = mNotificationList.size(); |
| for (int i = 0; i < N; i++) { |
| if (key.equals(mNotificationList.get(i).getKey())) { |
| return i; |
| } |
| } |
| return -1; |
| } |
| |
| private void updateNotificationPulse() { |
| synchronized (mNotificationList) { |
| updateLightsLocked(); |
| } |
| } |
| |
| private static boolean isUidSystem(int uid) { |
| final int appid = UserHandle.getAppId(uid); |
| return (appid == Process.SYSTEM_UID || appid == Process.PHONE_UID || uid == 0); |
| } |
| |
| private static boolean isCallerSystem() { |
| return isUidSystem(Binder.getCallingUid()); |
| } |
| |
| private static void checkCallerIsSystem() { |
| if (isCallerSystem()) { |
| return; |
| } |
| throw new SecurityException("Disallowed call for uid " + Binder.getCallingUid()); |
| } |
| |
| private static 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); |
| } |
| } |
| |
| /** |
| * Generates a NotificationRankingUpdate from 'sbns', considering only |
| * notifications visible to the given listener. |
| * |
| * <p>Caller must hold a lock on mNotificationList.</p> |
| */ |
| private NotificationRankingUpdate makeRankingUpdateLocked(ManagedServiceInfo info) { |
| int speedBumpIndex = -1; |
| final int N = mNotificationList.size(); |
| ArrayList<String> keys = new ArrayList<String>(N); |
| ArrayList<String> dndKeys = new ArrayList<String>(N); |
| for (int i = 0; i < N; i++) { |
| NotificationRecord record = mNotificationList.get(i); |
| if (!info.enabledAndUserMatches(record.sbn.getUserId())) { |
| continue; |
| } |
| keys.add(record.sbn.getKey()); |
| if (record.isIntercepted()) { |
| dndKeys.add(record.sbn.getKey()); |
| } |
| if (speedBumpIndex == -1 && |
| record.sbn.getNotification().priority == Notification.PRIORITY_MIN) { |
| speedBumpIndex = keys.size() - 1; |
| } |
| } |
| String[] keysAr = keys.toArray(new String[keys.size()]); |
| String[] dndKeysAr = dndKeys.toArray(new String[dndKeys.size()]); |
| return new NotificationRankingUpdate(keysAr, dndKeysAr, speedBumpIndex); |
| } |
| |
| public class NotificationListeners extends ManagedServices { |
| |
| public NotificationListeners() { |
| super(getContext(), mHandler, mNotificationList, mUserProfiles); |
| } |
| |
| @Override |
| protected Config getConfig() { |
| Config c = new Config(); |
| c.caption = "notification listener"; |
| c.serviceInterface = NotificationListenerService.SERVICE_INTERFACE; |
| c.secureSettingName = Settings.Secure.ENABLED_NOTIFICATION_LISTENERS; |
| c.bindPermission = android.Manifest.permission.BIND_NOTIFICATION_LISTENER_SERVICE; |
| c.settingsAction = Settings.ACTION_NOTIFICATION_LISTENER_SETTINGS; |
| c.clientLabel = R.string.notification_listener_binding_label; |
| return c; |
| } |
| |
| @Override |
| protected IInterface asInterface(IBinder binder) { |
| return INotificationListener.Stub.asInterface(binder); |
| } |
| |
| @Override |
| public void onServiceAdded(ManagedServiceInfo info) { |
| final INotificationListener listener = (INotificationListener) info.service; |
| final NotificationRankingUpdate update; |
| synchronized (mNotificationList) { |
| update = makeRankingUpdateLocked(info); |
| } |
| try { |
| listener.onListenerConnected(update); |
| } catch (RemoteException e) { |
| // we tried |
| } |
| } |
| |
| /** |
| * asynchronously notify all listeners about a new notification |
| */ |
| public void notifyPostedLocked(StatusBarNotification sbn) { |
| // make a copy in case changes are made to the underlying Notification object |
| final StatusBarNotification sbnClone = sbn.clone(); |
| for (final ManagedServiceInfo info : mServices) { |
| if (!info.isEnabledForCurrentProfiles()) { |
| continue; |
| } |
| final NotificationRankingUpdate update = makeRankingUpdateLocked(info); |
| if (update.getOrderedKeys().length == 0) { |
| continue; |
| } |
| mHandler.post(new Runnable() { |
| @Override |
| public void run() { |
| notifyPostedIfUserMatch(info, sbnClone, update); |
| } |
| }); |
| } |
| } |
| |
| /** |
| * asynchronously notify all listeners about a removed notification |
| */ |
| public void notifyRemovedLocked(StatusBarNotification sbn) { |
| // 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 sbnLight = sbn.cloneLight(); |
| for (final ManagedServiceInfo info : mServices) { |
| if (!info.isEnabledForCurrentProfiles()) { |
| continue; |
| } |
| final NotificationRankingUpdate update = makeRankingUpdateLocked(info); |
| mHandler.post(new Runnable() { |
| @Override |
| public void run() { |
| notifyRemovedIfUserMatch(info, sbnLight, update); |
| } |
| }); |
| } |
| } |
| |
| /** |
| * asynchronously notify all listeners about a reordering of notifications |
| */ |
| public void notifyRankingUpdateLocked() { |
| for (final ManagedServiceInfo serviceInfo : mServices) { |
| if (!serviceInfo.isEnabledForCurrentProfiles()) { |
| continue; |
| } |
| final NotificationRankingUpdate update = |
| makeRankingUpdateLocked(serviceInfo); |
| mHandler.post(new Runnable() { |
| @Override |
| public void run() { |
| notifyRankingUpdate(serviceInfo, update); |
| } |
| }); |
| } |
| } |
| |
| private void notifyPostedIfUserMatch(final ManagedServiceInfo info, |
| final StatusBarNotification sbn, NotificationRankingUpdate rankingUpdate) { |
| if (!info.enabledAndUserMatches(sbn.getUserId())) { |
| return; |
| } |
| final INotificationListener listener = (INotificationListener)info.service; |
| try { |
| listener.onNotificationPosted(sbn, rankingUpdate); |
| } catch (RemoteException ex) { |
| Log.e(TAG, "unable to notify listener (posted): " + listener, ex); |
| } |
| } |
| |
| private void notifyRemovedIfUserMatch(ManagedServiceInfo info, StatusBarNotification sbn, |
| NotificationRankingUpdate rankingUpdate) { |
| if (!info.enabledAndUserMatches(sbn.getUserId())) { |
| return; |
| } |
| final INotificationListener listener = (INotificationListener) info.service; |
| try { |
| listener.onNotificationRemoved(sbn, rankingUpdate); |
| } catch (RemoteException ex) { |
| Log.e(TAG, "unable to notify listener (removed): " + listener, ex); |
| } |
| } |
| |
| private void notifyRankingUpdate(ManagedServiceInfo info, |
| NotificationRankingUpdate rankingUpdate) { |
| final INotificationListener listener = (INotificationListener) info.service; |
| try { |
| listener.onNotificationRankingUpdate(rankingUpdate); |
| } catch (RemoteException ex) { |
| Log.e(TAG, "unable to notify listener (ranking update): " + listener, ex); |
| } |
| } |
| } |
| |
| public static final class DumpFilter { |
| public String pkgFilter; |
| |
| public static DumpFilter parseFromArguments(String[] args) { |
| if (args == null || args.length != 2 || !"p".equals(args[0]) |
| || args[1] == null || args[1].trim().isEmpty()) { |
| return null; |
| } |
| final DumpFilter filter = new DumpFilter(); |
| filter.pkgFilter = args[1].trim().toLowerCase(); |
| return filter; |
| } |
| |
| public boolean matches(StatusBarNotification sbn) { |
| return sbn != null && (matches(sbn.getPackageName()) || matches(sbn.getOpPkg())); |
| } |
| |
| public boolean matches(ComponentName component) { |
| return component != null && matches(component.getPackageName()); |
| } |
| |
| public boolean matches(String pkg) { |
| return pkg != null && pkg.toLowerCase().contains(pkgFilter); |
| } |
| } |
| } |