| /* |
| * Copyright (C) 2015 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 android.service.notification; |
| |
| import android.annotation.SdkConstant; |
| import android.annotation.SystemApi; |
| import android.content.ComponentName; |
| import android.content.Context; |
| import android.content.Intent; |
| import android.net.Uri; |
| import android.os.Handler; |
| import android.os.IBinder; |
| import android.os.Looper; |
| import android.os.Message; |
| import android.os.RemoteException; |
| import android.util.Log; |
| import com.android.internal.os.SomeArgs; |
| |
| /** |
| * A service that helps the user manage notifications. This class is only used to |
| * extend the framework service and may not be implemented by non-framework components. |
| * @hide |
| */ |
| @SystemApi |
| public abstract class NotificationRankerService extends NotificationListenerService { |
| private static final String TAG = "NotificationRankers"; |
| |
| /** |
| * The {@link Intent} that must be declared as handled by the service. |
| */ |
| @SdkConstant(SdkConstant.SdkConstantType.SERVICE_ACTION) |
| public static final String SERVICE_INTERFACE |
| = "android.service.notification.NotificationRankerService"; |
| |
| /** Notification was canceled by the status bar reporting a click. */ |
| public static final int REASON_DELEGATE_CLICK = 1; |
| |
| /** Notification was canceled by the status bar reporting a user dismissal. */ |
| public static final int REASON_DELEGATE_CANCEL = 2; |
| |
| /** Notification was canceled by the status bar reporting a user dismiss all. */ |
| public static final int REASON_DELEGATE_CANCEL_ALL = 3; |
| |
| /** Notification was canceled by the status bar reporting an inflation error. */ |
| public static final int REASON_DELEGATE_ERROR = 4; |
| |
| /** Notification was canceled by the package manager modifying the package. */ |
| public static final int REASON_PACKAGE_CHANGED = 5; |
| |
| /** Notification was canceled by the owning user context being stopped. */ |
| public static final int REASON_USER_STOPPED = 6; |
| |
| /** Notification was canceled by the user banning the package. */ |
| public static final int REASON_PACKAGE_BANNED = 7; |
| |
| /** Notification was canceled by the app canceling this specific notification. */ |
| public static final int REASON_APP_CANCEL = 8; |
| |
| /** Notification was canceled by the app cancelling all its notifications. */ |
| public static final int REASON_APP_CANCEL_ALL = 9; |
| |
| /** Notification was canceled by a listener reporting a user dismissal. */ |
| public static final int REASON_LISTENER_CANCEL = 10; |
| |
| /** Notification was canceled by a listener reporting a user dismiss all. */ |
| public static final int REASON_LISTENER_CANCEL_ALL = 11; |
| |
| /** Notification was canceled because it was a member of a canceled group. */ |
| public static final int REASON_GROUP_SUMMARY_CANCELED = 12; |
| |
| /** Notification was canceled because it was an invisible member of a group. */ |
| public static final int REASON_GROUP_OPTIMIZATION = 13; |
| |
| /** Notification was canceled by the device administrator suspending the package. */ |
| public static final int REASON_PACKAGE_SUSPENDED = 14; |
| |
| /** Notification was canceled by the owning managed profile being turned off. */ |
| public static final int REASON_PROFILE_TURNED_OFF = 15; |
| |
| public class Adjustment { |
| int mImportance; |
| CharSequence mExplanation; |
| Uri mReference; |
| |
| /** |
| * Create a notification importance adjustment. |
| * |
| * @param importance The final importance of the notification. |
| * @param explanation A human-readable justification for the adjustment. |
| * @param reference A reference to an external object that augments the |
| * explanation, such as a |
| * {@link android.provider.ContactsContract.Contacts#CONTENT_LOOKUP_URI}, |
| * or null. |
| */ |
| public Adjustment(int importance, CharSequence explanation, Uri reference) { |
| mImportance = importance; |
| mExplanation = explanation; |
| mReference = reference; |
| } |
| } |
| |
| private Handler mHandler; |
| |
| /** @hide */ |
| @Override |
| public void registerAsSystemService(Context context, ComponentName componentName, |
| int currentUser) { |
| throw new UnsupportedOperationException("the ranker lifecycle is managed by the system."); |
| } |
| |
| /** @hide */ |
| @Override |
| public void unregisterAsSystemService() { |
| throw new UnsupportedOperationException("the ranker lifecycle is managed by the system."); |
| } |
| |
| @Override |
| protected void attachBaseContext(Context base) { |
| super.attachBaseContext(base); |
| mHandler = new MyHandler(getContext().getMainLooper()); |
| } |
| |
| @Override |
| public final IBinder onBind(Intent intent) { |
| if (mWrapper == null) { |
| mWrapper = new NotificationRankingServiceWrapper(); |
| } |
| return mWrapper; |
| } |
| |
| /** |
| * A notification was posted by an app. Called before alert. |
| * |
| * @param sbn the new notification |
| * @param importance the initial importance of the notification. |
| * @param user true if the initial importance reflects an explicit user preference. |
| * @return an adjustment or null to take no action, within 100ms. |
| */ |
| abstract public Adjustment onNotificationEnqueued(StatusBarNotification sbn, |
| int importance, boolean user); |
| |
| /** |
| * The visibility of a notification has changed. |
| * |
| * @param key the notification key |
| * @param time milliseconds since midnight, January 1, 1970 UTC. |
| * @param visible true if the notification became visible, false if hidden. |
| */ |
| public void onNotificationVisibilityChanged(String key, long time, boolean visible) |
| { |
| // Do nothing, Override this to collect visibility statistics. |
| } |
| |
| /** |
| * The user clicked on a notification. |
| * |
| * @param key the notification key |
| * @param time milliseconds since midnight, January 1, 1970 UTC. |
| */ |
| public void onNotificationClick(String key, long time) |
| { |
| // Do nothing, Override this to collect click statistics |
| } |
| |
| /** |
| * The user clicked on a notification action. |
| * |
| * @param key the notification key |
| * @param time milliseconds since midnight, January 1, 1970 UTC. |
| * @param actionIndex the index of the action button that was pressed. |
| */ |
| public void onNotificationActionClick(String key, long time, int actionIndex) |
| { |
| // Do nothing, Override this to collect action button click statistics |
| } |
| |
| /** |
| * A notification was removed. |
| |
| * @param key the notification key |
| * @param time milliseconds since midnight, January 1, 1970 UTC. |
| * @param reason see {@link #REASON_LISTENER_CANCEL}, etc. |
| */ |
| public void onNotificationRemoved(String key, long time, int reason) { |
| // Do nothing, Override this to collect dismissal statistics |
| } |
| |
| /** |
| * Change the importance of an existing notification. N.B. this won’t cause |
| * an existing notification to alert, but might allow a future update to |
| * this notification to alert. |
| * |
| * @param key the notification key |
| * @param adjustment the new importance with an explanation |
| */ |
| public final void adjustImportance(String key, Adjustment adjustment) { |
| if (!isBound()) return; |
| try { |
| getNotificationInterface().setImportanceFromRankerService(mWrapper, key, |
| adjustment.mImportance, adjustment.mExplanation); |
| } catch (android.os.RemoteException ex) { |
| Log.v(TAG, "Unable to contact notification manager", ex); |
| } |
| } |
| |
| private class NotificationRankingServiceWrapper extends NotificationListenerWrapper { |
| @Override |
| public void onNotificationEnqueued(IStatusBarNotificationHolder sbnHolder, |
| int importance, boolean user) { |
| StatusBarNotification sbn; |
| try { |
| sbn = sbnHolder.get(); |
| } catch (RemoteException e) { |
| Log.w(TAG, "onNotificationEnqueued: Error receiving StatusBarNotification", e); |
| return; |
| } |
| |
| SomeArgs args = SomeArgs.obtain(); |
| args.arg1 = sbn; |
| args.argi1 = importance; |
| args.argi2 = user ? 1 : 0; |
| mHandler.obtainMessage(MyHandler.MSG_ON_NOTIFICATION_ENQUEUED, |
| args).sendToTarget(); |
| } |
| |
| @Override |
| public void onNotificationVisibilityChanged(String key, long time, boolean visible) { |
| SomeArgs args = SomeArgs.obtain(); |
| args.arg1 = key; |
| args.arg2 = time; |
| args.argi1 = visible ? 1 : 0; |
| mHandler.obtainMessage(MyHandler.MSG_ON_NOTIFICATION_VISIBILITY_CHANGED, |
| args).sendToTarget(); |
| } |
| |
| @Override |
| public void onNotificationClick(String key, long time) { |
| SomeArgs args = SomeArgs.obtain(); |
| args.arg1 = key; |
| args.arg2 = time; |
| mHandler.obtainMessage(MyHandler.MSG_ON_NOTIFICATION_CLICK, |
| args).sendToTarget(); |
| } |
| |
| @Override |
| public void onNotificationActionClick(String key, long time, int actionIndex) { |
| SomeArgs args = SomeArgs.obtain(); |
| args.arg1 = key; |
| args.arg2 = time; |
| args.argi1 = actionIndex; |
| mHandler.obtainMessage(MyHandler.MSG_ON_NOTIFICATION_ACTION_CLICK, |
| args).sendToTarget(); |
| } |
| |
| @Override |
| public void onNotificationRemovedReason(String key, long time, int reason) { |
| SomeArgs args = SomeArgs.obtain(); |
| args.arg1 = key; |
| args.arg2 = time; |
| args.argi1 = reason; |
| mHandler.obtainMessage(MyHandler.MSG_ON_NOTIFICATION_REMOVED_REASON, |
| args).sendToTarget(); |
| } |
| } |
| |
| private final class MyHandler extends Handler { |
| public static final int MSG_ON_NOTIFICATION_ENQUEUED = 1; |
| public static final int MSG_ON_NOTIFICATION_VISIBILITY_CHANGED = 2; |
| public static final int MSG_ON_NOTIFICATION_CLICK = 3; |
| public static final int MSG_ON_NOTIFICATION_ACTION_CLICK = 4; |
| public static final int MSG_ON_NOTIFICATION_REMOVED_REASON = 5; |
| |
| public MyHandler(Looper looper) { |
| super(looper, null, false); |
| } |
| |
| @Override |
| public void handleMessage(Message msg) { |
| switch (msg.what) { |
| case MSG_ON_NOTIFICATION_ENQUEUED: { |
| SomeArgs args = (SomeArgs) msg.obj; |
| StatusBarNotification sbn = (StatusBarNotification) args.arg1; |
| final int importance = args.argi1; |
| final boolean user = args.argi2 == 1; |
| args.recycle(); |
| Adjustment adjustment = onNotificationEnqueued(sbn, importance, user); |
| if (adjustment != null) { |
| adjustImportance(sbn.getKey(), adjustment); |
| } |
| } break; |
| |
| case MSG_ON_NOTIFICATION_VISIBILITY_CHANGED: { |
| SomeArgs args = (SomeArgs) msg.obj; |
| final String key = (String) args.arg1; |
| final long time = (long) args.arg2; |
| final boolean visible = args.argi1 == 1; |
| args.recycle(); |
| onNotificationVisibilityChanged(key, time, visible); |
| } break; |
| |
| case MSG_ON_NOTIFICATION_CLICK: { |
| SomeArgs args = (SomeArgs) msg.obj; |
| final String key = (String) args.arg1; |
| final long time = (long) args.arg2; |
| args.recycle(); |
| onNotificationClick(key, time); |
| } break; |
| |
| case MSG_ON_NOTIFICATION_ACTION_CLICK: { |
| SomeArgs args = (SomeArgs) msg.obj; |
| final String key = (String) args.arg1; |
| final long time = (long) args.arg2; |
| final int actionIndex = args.argi1; |
| args.recycle(); |
| onNotificationActionClick(key, time, actionIndex); |
| } break; |
| |
| case MSG_ON_NOTIFICATION_REMOVED_REASON: { |
| SomeArgs args = (SomeArgs) msg.obj; |
| final String key = (String) args.arg1; |
| final long time = (long) args.arg2; |
| final int reason = args.argi1; |
| args.recycle(); |
| onNotificationRemoved(key, time, reason); |
| } break; |
| } |
| } |
| } |
| } |