/*
* 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 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.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.media.AudioManager;
import android.net.Uri;
import android.os.Binder;
import android.os.Bundle;
import android.os.Handler;
import android.os.IBinder;
import android.os.Message;
import android.os.Process;
import android.os.RemoteException;
import android.os.Vibrator;
import android.provider.Settings;
import android.telephony.TelephonyManager;
import android.text.TextUtils;
import android.util.EventLog;
import android.util.Log;
import android.util.Slog;
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;
/** {@hide} */
public class NotificationManagerService extends INotificationManager.Stub
{
private static final String TAG = "NotificationService";
private static final boolean DBG = false;
private static final int MAX_PACKAGE_NOTIFICATIONS = 50;
// message codes
private static final int MESSAGE_TIMEOUT = 2;
private static final int LONG_DELAY = 3500; // 3.5 seconds
private static final int SHORT_DELAY = 2000; // 2 seconds
private static final long[] DEFAULT_VIBRATE_PATTERN = {0, 250, 250, 250};
private static final int 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.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;
private final ArrayList<NotificationRecord> mNotificationList =
new ArrayList<NotificationRecord>();
private ArrayList<ToastRecord> mToastQueue;
private ArrayList<NotificationRecord> mLights = new ArrayList<NotificationRecord>();
private NotificationRecord mLedNotification;
private static String idDebugString(Context baseContext, String packageName, int id) {
Context c = null;
if (packageName != null) {
try {
c = baseContext.createPackageContext(packageName, 0);
} catch (NameNotFoundException e) {
c = baseContext;
}
} else {
c = baseContext;
}
String pkg;
String type;
String name;
Resources r = c.getResources();
try {
return r.getResourceName(id);
} catch (Resources.NotFoundException e) {
return "<name unknown>";
}
}
private static final class NotificationRecord
{
final String pkg;
final String tag;
final int id;
final int uid;
final int initialPid;
final int priority;
final Notification notification;
IBinder statusBarKey;
NotificationRecord(String pkg, String tag, int id, int uid, int initialPid, int priority,
Notification notification)
{
this.pkg = pkg;
this.tag = tag;
this.id = id;
this.uid = uid;
this.initialPid = initialPid;
this.priority = priority;
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
+ " pri=" + priority
+ "}";
}
}
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, false);
}
public void onNotificationClear(String pkg, String tag, int id) {
cancelNotification(pkg, tag, id, 0,
Notification.FLAG_ONGOING_EVENT | Notification.FLAG_FOREGROUND_SERVICE,
true);
}
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, false);
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_PACKAGE_REMOVED)
|| action.equals(Intent.ACTION_PACKAGE_RESTARTED)
|| action.equals(Intent.ACTION_PACKAGE_CHANGED)
|| (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)) {
// Keep track of screen on/off state, but do not turn off the notification light
// until user passes through the lock screen or views the notification.
mScreenOn = true;
} else if (action.equals(Intent.ACTION_SCREEN_OFF)) {
mScreenOn = false;
} else if (action.equals(TelephonyManager.ACTION_PHONE_STATE_CHANGED)) {
mInCall = (intent.getStringExtra(TelephonyManager.EXTRA_STATE).equals(
TelephonyManager.EXTRA_STATE_OFFHOOK));
updateNotificationPulse();
} else if (action.equals(Intent.ACTION_USER_PRESENT)) {
// turn off LED when user passes through lock screen
mNotificationLight.turnOff();
}
}
};
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;
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();
}
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<N; i++) {
final ToastRecord r = mToastQueue.get(i);
if (r.pkg.equals(pkg)) {
count++;
if (count >= MAX_PACKAGE_NOTIFICATIONS) {
Slog.e(TAG, "Package has already posted " + count
+ " toasts. Not showing more. Package=" + pkg);
return;
}
}
}
}
record = new ToastRecord(callingPid, pkg, callback, duration);
mToastQueue.add(record);
index = mToastQueue.size() - 1;
keepProcessAliveLocked(callingPid);
}
// If it's at index 0, it's the current toast. It doesn't matter if it's
// new or just been updated. Call back and tell it to show itself.
// If the callback fails, this will remove it from the list, so don't
// assume that it's valid after this.
if (index == 0) {
showNextToastLocked();
}
} finally {
Binder.restoreCallingIdentity(callingId);
}
}
}
public void cancelToast(String pkg, ITransientNotification callback) {
Slog.i(TAG, "cancelToast pkg=" + pkg + " callback=" + callback);
if (pkg == null || callback == null) {
Slog.e(TAG, "Not cancelling notification. pkg=" + pkg + " callback=" + callback);
return ;
}
synchronized (mToastQueue) {
long callingId = Binder.clearCallingIdentity();
try {
int index = indexOfToastLocked(pkg, callback);
if (index >= 0) {
cancelToastLocked(index);
} else {
Slog.w(TAG, "Toast already cancelled. pkg=" + pkg + " callback=" + callback);
}
} finally {
Binder.restoreCallingIdentity(callingId);
}
}
}
private void showNextToastLocked() {
ToastRecord record = mToastQueue.get(0);
while (record != null) {
if (DBG) Slog.d(TAG, "Show pkg=" + record.pkg + " callback=" + record.callback);
try {
record.callback.show();
scheduleTimeoutLocked(record, 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<ToastRecord> list = mToastQueue;
int len = list.size();
for (int i=0; i<len; i++) {
ToastRecord r = list.get(i);
if (r.pkg.equals(pkg) && r.callback.asBinder() == cbak) {
return i;
}
}
return -1;
}
// lock on mToastQueue
private void keepProcessAliveLocked(int pid)
{
int toastCount = 0; // toasts from this pid
ArrayList<ToastRecord> list = mToastQueue;
int N = list.size();
for (int i=0; i<N; i++) {
ToastRecord r = list.get(i);
if (r.pid == pid) {
toastCount++;
}
}
try {
mAm.setProcessForeground(mForegroundToken, pid, toastCount > 0);
} catch (RemoteException e) {
// Shouldn't happen.
}
}
private final class WorkerHandler extends Handler
{
@Override
public void handleMessage(Message msg)
{
switch (msg.what)
{
case MESSAGE_TIMEOUT:
handleTimeout((ToastRecord)msg.obj);
break;
}
}
}
// Notifications
// ============================================================================
@Deprecated
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);
}
public void enqueueNotificationWithTagPriority(String pkg, String tag, int id, int priority,
Notification notification, int[] idOut)
{
enqueueNotificationInternal(pkg, Binder.getCallingUid(), Binder.getCallingPid(),
tag, id, priority, 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)
{
enqueueNotificationInternal(pkg, callingUid, callingPid, tag, id,
((notification.flags & Notification.FLAG_ONGOING_EVENT) != 0)
? StatusBarNotification.PRIORITY_ONGOING
: StatusBarNotification.PRIORITY_NORMAL,
notification, idOut);
}
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, tag,
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);
if ((n.notification.flags & Notification.FLAG_SHOW_LIGHTS) != 0) {
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;
}
private void sendAccessibilityEvent(Notification notification, CharSequence packageName) {
AccessibilityManager manager = AccessibilityManager.getInstance(mContext);
if (!manager.isEnabled()) {
return;
}
AccessibilityEvent event =
AccessibilityEvent.obtain(AccessibilityEvent.TYPE_NOTIFICATION_STATE_CHANGED);
event.setPackageName(packageName);
event.setClassName(Notification.class.getName());
event.setParcelableData(notification);
CharSequence tickerText = notification.tickerText;
if (!TextUtils.isEmpty(tickerText)) {
event.getText().add(tickerText);
}
manager.sendAccessibilityEvent(event);
}
private void cancelNotificationLocked(NotificationRecord r, boolean sendDelete) {
// tell the app
if (sendDelete) {
if (r.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;
}
}
/**
* 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, boolean sendDelete) {
EventLog.writeEvent(EventLogTags.NOTIFICATION_CANCEL, pkg, id, tag,
mustHaveFlags, mustNotHaveFlags);
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, sendDelete);
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,
mustNotHaveFlags);
synchronized (mNotificationList) {
final int N = mNotificationList.size();
boolean canceledSomething = false;
for (int i = N-1; i >= 0; --i) {
NotificationRecord r = mNotificationList.get(i);
if ((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, false);
}
if (canceledSomething) {
updateLightsLocked();
}
return canceledSomething;
}
}
@Deprecated
public void cancelNotification(String pkg, int id) {
cancelNotificationWithTag(pkg, null /* tag */, id);
}
public void cancelNotificationWithTag(String pkg, String tag, int id) {
checkIncomingCall(pkg);
// Don't allow client applications to cancel foreground service notis.
cancelNotification(pkg, tag, id, 0,
Binder.getCallingUid() == Process.SYSTEM_UID
? 0 : Notification.FLAG_FOREGROUND_SERVICE, false);
}
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) {
mNotificationList.remove(i);
cancelNotificationLocked(r, true);
}
}
updateLightsLocked();
}
}
// lock on mNotificationList
private void updateLightsLocked()
{
// handle notification lights
if (mLedNotification == null) {
// get next notification, if any
int n = mLights.size();
if (n > 0) {
mLedNotification = mLights.get(n-1);
}
}
// Don't flash while we are in a call or screen is on
if (mLedNotification == null || mInCall || mScreenOn) {
mNotificationLight.turnOff();
} else {
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);
}
}
}
// lock on mNotificationList
private int indexOfNotificationLocked(String pkg, String tag, int id)
{
ArrayList<NotificationRecord> list = mNotificationList;
final int len = list.size();
for (int i=0; i<len; i++) {
NotificationRecord r = list.get(i);
if (tag == null) {
if (r.tag != null) {
continue;
}
} else {
if (!tag.equals(r.tag)) {
continue;
}
}
if (r.id == id && r.pkg.equals(pkg)) {
return i;
}
}
return -1;
}
private void updateNotificationPulse() {
synchronized (mNotificationList) {
updateLightsLocked();
}
}
// ======================================================================
@Override
protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) {
if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP)
!= PackageManager.PERMISSION_GRANTED) {
pw.println("Permission Denial: can't dump NotificationManager from from pid="
+ Binder.getCallingPid()
+ ", uid=" + Binder.getCallingUid());
return;
}
pw.println("Current Notification Manager state:");
int N;
synchronized (mToastQueue) {
N = mToastQueue.size();
if (N > 0) {
pw.println(" Toast Queue:");
for (int i=0; i<N; i++) {
mToastQueue.get(i).dump(pw, " ");
}
pw.println(" ");
}
}
synchronized (mNotificationList) {
N = mNotificationList.size();
if (N > 0) {
pw.println(" Notification List:");
for (int i=0; i<N; i++) {
mNotificationList.get(i).dump(pw, " ", mContext);
}
pw.println(" ");
}
N = mLights.size();
if (N > 0) {
pw.println(" Lights List:");
for (int i=0; i<N; i++) {
mLights.get(i).dump(pw, " ", mContext);
}
pw.println(" ");
}
pw.println(" mSoundNotification=" + mSoundNotification);
pw.println(" mSound=" + mSound);
pw.println(" mVibrateNotification=" + mVibrateNotification);
pw.println(" mDisabledNotifications=0x" + Integer.toHexString(mDisabledNotifications));
pw.println(" mSystemReady=" + mSystemReady);
}
}
}