/* * Copyright (C) 2007 The Android Open Source Project * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package com.android.server; import com.android.internal.statusbar.StatusBarNotification; import com.android.server.StatusBarManagerService; import android.app.ActivityManagerNative; import android.app.IActivityManager; import android.app.INotificationManager; import android.app.ITransientNotification; import android.app.Notification; import android.app.NotificationManager; 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.PackageManager; import android.content.pm.PackageManager.NameNotFoundException; import android.content.res.Resources; import android.database.ContentObserver; import android.hardware.usb.UsbManager; import android.media.AudioManager; import android.net.Uri; import android.os.BatteryManager; import android.os.Bundle; import android.os.Binder; import android.os.Handler; import android.os.IBinder; import android.os.Message; import android.os.Power; import android.os.Process; import android.os.RemoteException; import android.os.SystemProperties; import android.os.Vibrator; import android.os.SystemClock; import android.provider.Settings; import android.telephony.TelephonyManager; import android.text.TextUtils; import android.util.EventLog; import android.util.Slog; import android.util.Log; import android.view.accessibility.AccessibilityEvent; import android.view.accessibility.AccessibilityManager; import android.widget.Toast; import java.io.FileDescriptor; import java.io.PrintWriter; import java.util.ArrayList; import java.util.Arrays; import java.util.HashMap; /** {@hide} */ public class NotificationManagerService extends INotificationManager.Stub { private static final String TAG = "NotificationService"; private static final boolean DBG = false; private static final int MAX_PACKAGE_NOTIFICATIONS = 50; private static final int NOTIFICATION_REQUEST_INTERVAL = 30000; // 30 seconds private static final int MAX_PACKAGE_NOTIFICATION_REQUESTS = 500; // message codes private static final int MESSAGE_TIMEOUT = 2; private static final int LONG_DELAY = 3500; // 3.5 seconds private static final int SHORT_DELAY = 2000; // 2 seconds private static final long[] DEFAULT_VIBRATE_PATTERN = {0, 250, 250, 250}; private static final int DEFAULT_STREAM_TYPE = AudioManager.STREAM_NOTIFICATION; final Context mContext; final IActivityManager mAm; final IBinder mForegroundToken = new Binder(); private WorkerHandler mHandler; private StatusBarManagerService mStatusBar; private LightsService mLightsService; private LightsService.Light mBatteryLight; private LightsService.Light mNotificationLight; private LightsService.Light mAttentionLight; private int mDefaultNotificationColor; private int mDefaultNotificationLedOn; private int mDefaultNotificationLedOff; private NotificationRecord mSoundNotification; private NotificationPlayer mSound; private boolean mSystemReady; private int mDisabledNotifications; private NotificationRecord mVibrateNotification; private Vibrator mVibrator = new Vibrator(); // for enabling and disabling notification pulse behavior private boolean mScreenOn = true; private boolean mInCall = false; private boolean mNotificationPulseEnabled; // This is true if we have received a new notification while the screen is off // (that is, if mLedNotification was set while the screen was off) // This is reset to false when the screen is turned on. private boolean mPendingPulseNotification; // for adb connected notifications private boolean mAdbNotificationShown = false; private Notification mAdbNotification; private final ArrayList mNotificationList = new ArrayList(); private class PackageRequestInfo { int requestCount; long lastPostTime; } private final HashMap mPackageInfo = new HashMap(); private ArrayList mToastQueue; private ArrayList mLights = new ArrayList(); private boolean mBatteryCharging; private boolean mBatteryLow; private boolean mBatteryFull; private NotificationRecord mLedNotification; private static final int BATTERY_LOW_ARGB = 0xFFFF0000; // Charging Low - red solid on private static final int BATTERY_MEDIUM_ARGB = 0xFFFFFF00; // Charging - orange solid on private static final int BATTERY_FULL_ARGB = 0xFF00FF00; // Charging Full - green solid on private static final int BATTERY_BLINK_ON = 125; private static final int BATTERY_BLINK_OFF = 2875; private static String idDebugString(Context baseContext, String packageName, int id) { Context c = null; if (packageName != null) { try { c = baseContext.createPackageContext(packageName, 0); } catch (NameNotFoundException e) { c = baseContext; } } else { c = baseContext; } String pkg; String type; String name; Resources r = c.getResources(); try { return r.getResourceName(id); } catch (Resources.NotFoundException e) { return ""; } } private static final class NotificationRecord { final String pkg; final String tag; final int id; final int uid; final int initialPid; ITransientNotification callback; int duration; final Notification notification; IBinder statusBarKey; NotificationRecord(String pkg, String tag, int id, int uid, int initialPid, Notification notification) { this.pkg = pkg; this.tag = tag; this.id = id; this.uid = uid; this.initialPid = initialPid; this.notification = notification; } void dump(PrintWriter pw, String prefix, Context baseContext) { pw.println(prefix + this); pw.println(prefix + " icon=0x" + Integer.toHexString(notification.icon) + " / " + idDebugString(baseContext, this.pkg, notification.icon)); pw.println(prefix + " contentIntent=" + notification.contentIntent); pw.println(prefix + " deleteIntent=" + notification.deleteIntent); pw.println(prefix + " tickerText=" + notification.tickerText); pw.println(prefix + " contentView=" + notification.contentView); pw.println(prefix + " defaults=0x" + Integer.toHexString(notification.defaults)); pw.println(prefix + " flags=0x" + Integer.toHexString(notification.flags)); pw.println(prefix + " sound=" + notification.sound); pw.println(prefix + " vibrate=" + Arrays.toString(notification.vibrate)); pw.println(prefix + " ledARGB=0x" + Integer.toHexString(notification.ledARGB) + " ledOnMS=" + notification.ledOnMS + " ledOffMS=" + notification.ledOffMS); } @Override public final String toString() { return "NotificationRecord{" + Integer.toHexString(System.identityHashCode(this)) + " pkg=" + pkg + " id=" + Integer.toHexString(id) + " tag=" + tag + "}"; } } private static final class ToastRecord { final int pid; final String pkg; final ITransientNotification callback; int duration; ToastRecord(int pid, String pkg, ITransientNotification callback, int duration) { this.pid = pid; this.pkg = pkg; this.callback = callback; this.duration = duration; } void update(int duration) { this.duration = duration; } void dump(PrintWriter pw, String prefix) { pw.println(prefix + this); } @Override public final String toString() { return "ToastRecord{" + Integer.toHexString(System.identityHashCode(this)) + " pkg=" + pkg + " callback=" + callback + " duration=" + duration; } } private StatusBarManagerService.NotificationCallbacks mNotificationCallbacks = new StatusBarManagerService.NotificationCallbacks() { public void onSetDisabled(int status) { synchronized (mNotificationList) { mDisabledNotifications = status; if ((mDisabledNotifications & StatusBarManager.DISABLE_NOTIFICATION_ALERTS) != 0) { // cancel whatever's going on long identity = Binder.clearCallingIdentity(); try { mSound.stop(); } finally { Binder.restoreCallingIdentity(identity); } identity = Binder.clearCallingIdentity(); try { mVibrator.cancel(); } finally { Binder.restoreCallingIdentity(identity); } } } } public void onClearAll() { cancelAll(); } public void onNotificationClick(String pkg, String tag, int id) { cancelNotification(pkg, tag, id, Notification.FLAG_AUTO_CANCEL, Notification.FLAG_FOREGROUND_SERVICE); } public void onPanelRevealed() { synchronized (mNotificationList) { // sound mSoundNotification = null; long identity = Binder.clearCallingIdentity(); try { mSound.stop(); } finally { Binder.restoreCallingIdentity(identity); } // vibrate mVibrateNotification = null; identity = Binder.clearCallingIdentity(); try { mVibrator.cancel(); } finally { Binder.restoreCallingIdentity(identity); } // light mLights.clear(); mLedNotification = null; updateLightsLocked(); } } public void onNotificationError(String pkg, String tag, int id, int uid, int initialPid, String message) { Slog.d(TAG, "onNotification error pkg=" + pkg + " tag=" + tag + " id=" + id + "; will crashApplication(uid=" + uid + ", pid=" + initialPid + ")"); cancelNotification(pkg, tag, id, 0, 0); long ident = Binder.clearCallingIdentity(); try { ActivityManagerNative.getDefault().crashApplication(uid, initialPid, pkg, "Bad notification posted from package " + pkg + ": " + message); } catch (RemoteException e) { } Binder.restoreCallingIdentity(ident); } }; private BroadcastReceiver mIntentReceiver = new BroadcastReceiver() { @Override public void onReceive(Context context, Intent intent) { String action = intent.getAction(); boolean queryRestart = false; if (action.equals(Intent.ACTION_BATTERY_CHANGED)) { boolean batteryCharging = (intent.getIntExtra("plugged", 0) != 0); int level = intent.getIntExtra("level", -1); boolean batteryLow = (level >= 0 && level <= Power.LOW_BATTERY_THRESHOLD); int status = intent.getIntExtra("status", BatteryManager.BATTERY_STATUS_UNKNOWN); boolean batteryFull = (status == BatteryManager.BATTERY_STATUS_FULL || level >= 90); if (batteryCharging != mBatteryCharging || batteryLow != mBatteryLow || batteryFull != mBatteryFull) { mBatteryCharging = batteryCharging; mBatteryLow = batteryLow; mBatteryFull = batteryFull; updateLights(); } } else if (action.equals(UsbManager.ACTION_USB_STATE)) { Bundle extras = intent.getExtras(); boolean usbConnected = extras.getBoolean(UsbManager.USB_CONNECTED); boolean adbEnabled = (UsbManager.USB_FUNCTION_ENABLED.equals( extras.getString(UsbManager.USB_FUNCTION_ADB))); updateAdbNotification(usbConnected && adbEnabled); } else if (action.equals(Intent.ACTION_PACKAGE_REMOVED) || action.equals(Intent.ACTION_PACKAGE_RESTARTED) || (queryRestart=action.equals(Intent.ACTION_QUERY_PACKAGE_RESTART)) || action.equals(Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE)) { String pkgList[] = null; 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; } pkgList = new String[]{pkgName}; } if (pkgList != null && (pkgList.length > 0)) { for (String pkgName : pkgList) { cancelAllNotificationsInt(pkgName, 0, 0, !queryRestart); } } } else if (action.equals(Intent.ACTION_SCREEN_ON)) { mScreenOn = true; updateNotificationPulse(); } else if (action.equals(Intent.ACTION_SCREEN_OFF)) { mScreenOn = false; updateNotificationPulse(); } else if (action.equals(TelephonyManager.ACTION_PHONE_STATE_CHANGED)) { mInCall = (intent.getStringExtra(TelephonyManager.EXTRA_STATE).equals(TelephonyManager.EXTRA_STATE_OFFHOOK)); updateNotificationPulse(); } } }; class SettingsObserver extends ContentObserver { SettingsObserver(Handler handler) { super(handler); } void observe() { ContentResolver resolver = mContext.getContentResolver(); resolver.registerContentObserver(Settings.System.getUriFor( Settings.System.NOTIFICATION_LIGHT_PULSE), false, this); update(); } @Override public void onChange(boolean selfChange) { update(); } public void update() { ContentResolver resolver = mContext.getContentResolver(); boolean pulseEnabled = Settings.System.getInt(resolver, Settings.System.NOTIFICATION_LIGHT_PULSE, 0) != 0; if (mNotificationPulseEnabled != pulseEnabled) { mNotificationPulseEnabled = pulseEnabled; updateNotificationPulse(); } } } NotificationManagerService(Context context, StatusBarManagerService statusBar, LightsService lights) { super(); mContext = context; mLightsService = lights; mAm = ActivityManagerNative.getDefault(); mSound = new NotificationPlayer(TAG); mSound.setUsesWakeLock(context); mToastQueue = new ArrayList(); mHandler = new WorkerHandler(); mStatusBar = statusBar; statusBar.setNotificationCallbacks(mNotificationCallbacks); mBatteryLight = lights.getLight(LightsService.LIGHT_ID_BATTERY); 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 battery changed notifications IntentFilter filter = new IntentFilter(); filter.addAction(Intent.ACTION_BATTERY_CHANGED); filter.addAction(UsbManager.ACTION_USB_STATE); filter.addAction(Intent.ACTION_SCREEN_ON); filter.addAction(Intent.ACTION_SCREEN_OFF); filter.addAction(TelephonyManager.ACTION_PHONE_STATE_CHANGED); mContext.registerReceiver(mIntentReceiver, filter); IntentFilter pkgFilter = new IntentFilter(); pkgFilter.addAction(Intent.ACTION_PACKAGE_REMOVED); 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(); } void systemReady() { // no beeping until we're basically done booting mSystemReady = true; } // Toasts // ============================================================================ public void enqueueToast(String pkg, ITransientNotification callback, int duration) { if (DBG) Slog.i(TAG, "enqueueToast pkg=" + pkg + " callback=" + callback + " duration=" + duration); if (pkg == null || callback == null) { Slog.e(TAG, "Not doing toast. pkg=" + pkg + " callback=" + callback); return ; } 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 (!"android".equals(pkg)) { int count = 0; final int N = mToastQueue.size(); for (int i=0; i= MAX_PACKAGE_NOTIFICATIONS) { Slog.e(TAG, "Package has already posted " + count + " toasts. Not showing more. Package=" + pkg); return; } } } } record = new ToastRecord(callingPid, pkg, callback, duration); mToastQueue.add(record); index = mToastQueue.size() - 1; keepProcessAliveLocked(callingPid); } // If it's at index 0, it's the current toast. It doesn't matter if it's // new or just been updated. Call back and tell it to show itself. // If the callback fails, this will remove it from the list, so don't // assume that it's valid after this. if (index == 0) { showNextToastLocked(); } } finally { Binder.restoreCallingIdentity(callingId); } } } public void cancelToast(String pkg, ITransientNotification callback) { Slog.i(TAG, "cancelToast pkg=" + pkg + " callback=" + callback); if (pkg == null || callback == null) { Slog.e(TAG, "Not cancelling notification. pkg=" + pkg + " callback=" + callback); return ; } synchronized (mToastQueue) { long callingId = Binder.clearCallingIdentity(); try { int index = indexOfToastLocked(pkg, callback); if (index >= 0) { cancelToastLocked(index); } else { Slog.w(TAG, "Toast already cancelled. pkg=" + pkg + " callback=" + callback); } } finally { Binder.restoreCallingIdentity(callingId); } } } private void showNextToastLocked() { ToastRecord record = mToastQueue.get(0); while (record != null) { if (DBG) Slog.d(TAG, "Show pkg=" + record.pkg + " callback=" + record.callback); try { record.callback.show(); scheduleTimeoutLocked(record, false); return; } catch (RemoteException e) { Slog.w(TAG, "Object died trying to show notification " + record.callback + " in package " + record.pkg); // remove it from the list and let the process die int index = mToastQueue.indexOf(record); if (index >= 0) { mToastQueue.remove(index); } keepProcessAliveLocked(record.pid); if (mToastQueue.size() > 0) { record = mToastQueue.get(0); } else { record = null; } } } } private void cancelToastLocked(int index) { ToastRecord record = mToastQueue.get(index); try { record.callback.hide(); } catch (RemoteException e) { Slog.w(TAG, "Object died trying to hide notification " + record.callback + " in package " + record.pkg); // don't worry about this, we're about to remove it from // the list anyway } mToastQueue.remove(index); keepProcessAliveLocked(record.pid); if (mToastQueue.size() > 0) { // Show the next one. If the callback fails, this will remove // it from the list, so don't assume that the list hasn't changed // after this point. showNextToastLocked(); } } private void scheduleTimeoutLocked(ToastRecord r, boolean immediate) { Message m = Message.obtain(mHandler, MESSAGE_TIMEOUT, r); long delay = immediate ? 0 : (r.duration == Toast.LENGTH_LONG ? LONG_DELAY : SHORT_DELAY); mHandler.removeCallbacksAndMessages(r); mHandler.sendMessageDelayed(m, delay); } private void handleTimeout(ToastRecord record) { if (DBG) Slog.d(TAG, "Timeout pkg=" + record.pkg + " callback=" + record.callback); synchronized (mToastQueue) { int index = indexOfToastLocked(record.pkg, record.callback); if (index >= 0) { cancelToastLocked(index); } } } // lock on mToastQueue private int indexOfToastLocked(String pkg, ITransientNotification callback) { IBinder cbak = callback.asBinder(); ArrayList list = mToastQueue; int len = list.size(); for (int i=0; i list = mToastQueue; int N = list.size(); for (int i=0; i 0); } catch (RemoteException e) { // Shouldn't happen. } } private final class WorkerHandler extends Handler { @Override public void handleMessage(Message msg) { switch (msg.what) { case MESSAGE_TIMEOUT: handleTimeout((ToastRecord)msg.obj); break; } } } // Notifications // ============================================================================ public void enqueueNotification(String pkg, int id, Notification notification, int[] idOut) { enqueueNotificationWithTag(pkg, null /* tag */, id, notification, idOut); } public void enqueueNotificationWithTag(String pkg, String tag, int id, Notification notification, int[] idOut) { enqueueNotificationInternal(pkg, Binder.getCallingUid(), Binder.getCallingPid(), tag, id, notification, idOut); } // Not exposed via Binder; for system use only (otherwise malicious apps could spoof the // uid/pid of another application) public void enqueueNotificationInternal(String pkg, int callingUid, int callingPid, String tag, int id, 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= MAX_PACKAGE_NOTIFICATIONS) { Slog.e(TAG, "Package has already posted " + count + " notifications. Not showing more. package=" + pkg); return; } } } } } // Limit the number of notification requests, notify and cancel that // a package can post. The MAX_PACKAGE_NOTIFICATIONS doesn't work for // packages which notify and quickly cancel it and do this in an // iteration if (!"android".equals(pkg)) { synchronized (mPackageInfo) { if (!mPackageInfo.containsKey(pkg)) { final PackageRequestInfo pInfo = new PackageRequestInfo(); pInfo.requestCount = 1; pInfo.lastPostTime = SystemClock.elapsedRealtime(); mPackageInfo.put(pkg,pInfo); } else { final PackageRequestInfo pInfo = mPackageInfo.get(pkg); final long currentTime = SystemClock.elapsedRealtime(); if ((currentTime - pInfo.lastPostTime) <= NOTIFICATION_REQUEST_INTERVAL) { // Keep track of requests posted within last 30 seconds pInfo.requestCount++; } else { pInfo.requestCount = 1; pInfo.lastPostTime = SystemClock.elapsedRealtime(); } if (pInfo.requestCount >= MAX_PACKAGE_NOTIFICATION_REQUESTS) { // 500 requests within a span of 30 seconds is high if (pInfo.requestCount%MAX_PACKAGE_NOTIFICATION_REQUESTS == 0) { Slog.e(TAG, "Package has already posted too many 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); } if (notification.contentIntent == null) { throw new IllegalArgumentException("contentIntent required: pkg=" + pkg + " id=" + id + " notification=" + notification); } } synchronized (mNotificationList) { NotificationRecord r = new NotificationRecord(pkg, tag, id, callingUid, callingPid, 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); 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 { 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; } private void sendAccessibilityEvent(Notification notification, CharSequence packageName) { AccessibilityManager manager = AccessibilityManager.getInstance(mContext); if (!manager.isEnabled()) { return; } AccessibilityEvent event = AccessibilityEvent.obtain(AccessibilityEvent.TYPE_NOTIFICATION_STATE_CHANGED); event.setPackageName(packageName); event.setClassName(Notification.class.getName()); event.setParcelableData(notification); CharSequence tickerText = notification.tickerText; if (!TextUtils.isEmpty(tickerText)) { event.getText().add(tickerText); } manager.sendAccessibilityEvent(event); } private void cancelNotificationLocked(NotificationRecord r) { // 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; } } /** * Cancels a notification ONLY if it has all of the {@code mustHaveFlags} * and none of the {@code mustNotHaveFlags}. */ private void cancelNotification(String pkg, String tag, int id, int mustHaveFlags, int mustNotHaveFlags) { EventLog.writeEvent(EventLogTags.NOTIFICATION_CANCEL, pkg, id, mustHaveFlags); synchronized (mNotificationList) { int index = indexOfNotificationLocked(pkg, tag, id); if (index >= 0) { NotificationRecord r = mNotificationList.get(index); if ((r.notification.flags & mustHaveFlags) != mustHaveFlags) { return; } if ((r.notification.flags & mustNotHaveFlags) != 0) { return; } mNotificationList.remove(index); cancelNotificationLocked(r); updateLightsLocked(); } } } /** * Cancels all notifications from a given package that have all of the * {@code mustHaveFlags}. */ boolean cancelAllNotificationsInt(String pkg, int mustHaveFlags, int mustNotHaveFlags, boolean doit) { EventLog.writeEvent(EventLogTags.NOTIFICATION_CANCEL_ALL, pkg, mustHaveFlags); synchronized (mNotificationList) { final int N = mNotificationList.size(); boolean canceledSomething = false; for (int i = N-1; i >= 0; --i) { NotificationRecord r = mNotificationList.get(i); if ((r.notification.flags & mustHaveFlags) != mustHaveFlags) { continue; } if ((r.notification.flags & mustNotHaveFlags) != 0) { continue; } if (!r.pkg.equals(pkg)) { continue; } canceledSomething = true; if (!doit) { return true; } mNotificationList.remove(i); cancelNotificationLocked(r); } if (canceledSomething) { updateLightsLocked(); } return canceledSomething; } } public void cancelNotification(String pkg, int id) { cancelNotificationWithTag(pkg, null /* tag */, id); } public void cancelNotificationWithTag(String pkg, String tag, int id) { checkIncomingCall(pkg); // Limit the number of notification requests, notify and cancel that // a package can post. The MAX_PACKAGE_NOTIFICATIONS doesn't work for // packages which notify and quickly cancel it and do this in an // iteration synchronized (mPackageInfo) { if (!"android".equals(pkg) && mPackageInfo.containsKey(pkg)) { final PackageRequestInfo pInfo = mPackageInfo.get(pkg); final long currentTime = SystemClock.elapsedRealtime(); if ((currentTime - pInfo.lastPostTime) <= NOTIFICATION_REQUEST_INTERVAL) { // Keep track of requests posted within last 30 seconds pInfo.requestCount++; } else { pInfo.requestCount = 1; pInfo.lastPostTime = SystemClock.elapsedRealtime(); } } } // Don't allow client applications to cancel foreground service notis. cancelNotification(pkg, tag, id, 0, Binder.getCallingUid() == Process.SYSTEM_UID ? 0 : Notification.FLAG_FOREGROUND_SERVICE); } public void cancelAllNotifications(String pkg) { checkIncomingCall(pkg); // Calling from user space, don't allow the canceling of actively // running foreground services. cancelAllNotificationsInt(pkg, 0, Notification.FLAG_FOREGROUND_SERVICE, true); } void checkIncomingCall(String pkg) { int uid = Binder.getCallingUid(); if (uid == Process.SYSTEM_UID || uid == 0) { return; } try { ApplicationInfo ai = mContext.getPackageManager().getApplicationInfo( pkg, 0); if (ai.uid != uid) { throw new SecurityException("Calling uid " + uid + " gave package" + pkg + " which is owned by uid " + ai.uid); } } catch (PackageManager.NameNotFoundException e) { throw new SecurityException("Unknown package " + pkg); } } void cancelAll() { synchronized (mNotificationList) { final int N = mNotificationList.size(); for (int i=N-1; i>=0; i--) { NotificationRecord r = mNotificationList.get(i); if ((r.notification.flags & (Notification.FLAG_ONGOING_EVENT | Notification.FLAG_NO_CLEAR)) == 0) { 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); } } mNotificationList.remove(i); cancelNotificationLocked(r); } } updateLightsLocked(); } } private void updateLights() { synchronized (mNotificationList) { updateLightsLocked(); } } // lock on mNotificationList private void updateLightsLocked() { // Battery low always shows, other states only show if charging. if (mBatteryLow) { if (mBatteryCharging) { mBatteryLight.setColor(BATTERY_LOW_ARGB); } else { // Flash when battery is low and not charging mBatteryLight.setFlashing(BATTERY_LOW_ARGB, LightsService.LIGHT_FLASH_TIMED, BATTERY_BLINK_ON, BATTERY_BLINK_OFF); } } else if (mBatteryCharging) { if (mBatteryFull) { mBatteryLight.setColor(BATTERY_FULL_ARGB); } else { mBatteryLight.setColor(BATTERY_MEDIUM_ARGB); } } else { mBatteryLight.turnOff(); } // clear pending pulse notification if screen is on if (mScreenOn || mLedNotification == null) { mPendingPulseNotification = false; } // handle notification lights if (mLedNotification == null) { // get next notification, if any int n = mLights.size(); if (n > 0) { mLedNotification = mLights.get(n-1); } if (mLedNotification != null && !mScreenOn) { mPendingPulseNotification = true; } } // we only flash if screen is off and persistent pulsing is enabled // and we are not currently in a call if (!mPendingPulseNotification || mScreenOn || mInCall) { mNotificationLight.turnOff(); } else { int ledARGB = mLedNotification.notification.ledARGB; int ledOnMS = mLedNotification.notification.ledOnMS; int ledOffMS = mLedNotification.notification.ledOffMS; if ((mLedNotification.notification.defaults & Notification.DEFAULT_LIGHTS) != 0) { ledARGB = mDefaultNotificationColor; ledOnMS = mDefaultNotificationLedOn; ledOffMS = mDefaultNotificationLedOff; } if (mNotificationPulseEnabled) { // pulse repeatedly mNotificationLight.setFlashing(ledARGB, LightsService.LIGHT_FLASH_TIMED, ledOnMS, ledOffMS); } else { // pulse only once mNotificationLight.pulse(ledARGB, ledOnMS); } } } // lock on mNotificationList private int indexOfNotificationLocked(String pkg, String tag, int id) { ArrayList list = mNotificationList; final int len = list.size(); for (int i=0; i 0) { pw.println(" Toast Queue:"); for (int i=0; i 0) { pw.println(" Notification List:"); for (int i=0; i 0) { pw.println(" Lights List:"); for (int i=0; i