NotificationManagerService(
Context context, StatusBarManagerService statusBar, LightsService lights) {
super();
mContext = context;
mAm = ActivityManagerNative.getDefault();
mSound = new NotificationPlayer(TAG);
mSound.setUsesWakeLock(context);
mToastQueue = new ArrayList<ToastRecord>();
mHandler = new WorkerHandler();
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(com.android.internal.R.color.config_defaultNotificationColor);
mDefaultNotificationLedOn =
resources.getInteger(com.android.internal.R.integer.config_defaultNotificationLedOn);
mDefaultNotificationLedOff =
resources.getInteger(com.android.internal.R.integer.config_defaultNotificationLedOff);
// 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.Secure.getInt(
mContext.getContentResolver(), Settings.Secure.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);
mContext.registerReceiver(mIntentReceiver, filter);
IntentFilter pkgFilter = new IntentFilter();
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);
SettingsObserver observer = new SettingsObserver(mHandler);
observer.observe();
}
private void cancelNotificationLocked(NotificationRecord r, boolean sendDelete) {
// tell the app
if (sendDelete) {
if (r.notification.deleteIntent != null) {
try {
r.notification.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.pkg, ex);
}
}
}
// status bar
if (r.notification.icon != 0) {
long identity = Binder.clearCallingIdentity();
try {
mStatusBar.removeNotification(r.statusBarKey);
} finally {
Binder.restoreCallingIdentity(identity);
}
r.statusBarKey = null;
}
// sound
if (mSoundNotification == r) {
mSoundNotification = null;
long identity = Binder.clearCallingIdentity();
try {
mSound.stop();
} 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;
}
}
public void enqueueNotificationInternal(
String pkg,
int callingUid,
int callingPid,
String tag,
int id,
int priority,
Notification notification,
int[] idOut) {
checkIncomingCall(pkg);
// Limit the number of notifications that any given package except the android
// package can enqueue. Prevents DOS attacks and deals with leaks.
if (!"android".equals(pkg)) {
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.pkg.equals(pkg)) {
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, 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);
}
}
synchronized (mNotificationList) {
NotificationRecord r =
new NotificationRecord(pkg, tag, id, callingUid, callingPid, priority, notification);
NotificationRecord old = null;
int index = indexOfNotificationLocked(pkg, tag, id);
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.notification.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;
}
if (notification.icon != 0) {
StatusBarNotification n =
new StatusBarNotification(pkg, id, tag, r.uid, r.initialPid, notification);
n.priority = r.priority;
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);
mAttentionLight.pulse();
} finally {
Binder.restoreCallingIdentity(identity);
}
}
sendAccessibilityEvent(notification, pkg);
} else {
Slog.e(TAG, "Ignoring notification with icon==0: " + notification);
if (old != null && old.statusBarKey != null) {
long identity = Binder.clearCallingIdentity();
try {
mStatusBar.removeNotification(old.statusBarKey);
} finally {
Binder.restoreCallingIdentity(identity);
}
}
}
// 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))
&& mSystemReady) {
final AudioManager audioManager =
(AudioManager) mContext.getSystemService(Context.AUDIO_SERVICE);
// sound
final boolean useDefaultSound = (notification.defaults & Notification.DEFAULT_SOUND) != 0;
if (useDefaultSound || notification.sound != null) {
Uri uri;
if (useDefaultSound) {
uri = Settings.System.DEFAULT_NOTIFICATION_URI;
} else {
uri = notification.sound;
}
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).
if (audioManager.getStreamVolume(audioStreamType) != 0) {
long identity = Binder.clearCallingIdentity();
try {
mSound.play(mContext, uri, looping, audioStreamType);
} finally {
Binder.restoreCallingIdentity(identity);
}
}
}
// vibrate
final boolean useDefaultVibrate =
(notification.defaults & Notification.DEFAULT_VIBRATE) != 0;
if ((useDefaultVibrate || notification.vibrate != null)
&& audioManager.shouldVibrate(AudioManager.VIBRATE_TYPE_NOTIFICATION)) {
mVibrateNotification = r;
mVibrator.vibrate(
useDefaultVibrate ? DEFAULT_VIBRATE_PATTERN : notification.vibrate,
((notification.flags & Notification.FLAG_INSISTENT) != 0) ? 0 : -1);
}
}
// this option doesn't shut off the lights
// 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) {
mLights.add(r);
updateLightsLocked();
} else {
if (old != null && ((old.notification.flags & Notification.FLAG_SHOW_LIGHTS) != 0)) {
updateLightsLocked();
}
}
}
idOut[0] = id;
}