| /* |
| * Copyright (C) 2017 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.systemui.statusbar; |
| |
| import static com.android.systemui.statusbar.RemoteInputController.processForRemoteInput; |
| import static com.android.systemui.statusbar.notification.NotificationEntryManager.UNDEFINED_DISMISS_REASON; |
| import static com.android.systemui.statusbar.phone.StatusBar.DEBUG; |
| |
| import android.annotation.SuppressLint; |
| import android.app.NotificationManager; |
| import android.content.ComponentName; |
| import android.content.Context; |
| import android.os.Handler; |
| import android.os.RemoteException; |
| import android.os.UserHandle; |
| import android.service.notification.StatusBarNotification; |
| import android.util.Log; |
| |
| import com.android.systemui.dagger.qualifiers.Main; |
| import com.android.systemui.statusbar.dagger.StatusBarModule; |
| import com.android.systemui.statusbar.phone.NotificationListenerWithPlugins; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| /** |
| * This class handles listening to notification updates and passing them along to |
| * NotificationPresenter to be displayed to the user. |
| */ |
| @SuppressLint("OverrideAbstract") |
| public class NotificationListener extends NotificationListenerWithPlugins { |
| private static final String TAG = "NotificationListener"; |
| |
| private final Context mContext; |
| private final NotificationManager mNotificationManager; |
| private final Handler mMainHandler; |
| private final List<NotificationHandler> mNotificationHandlers = new ArrayList<>(); |
| private final ArrayList<NotificationSettingsListener> mSettingsListeners = new ArrayList<>(); |
| |
| /** |
| * Injected constructor. See {@link StatusBarModule}. |
| */ |
| public NotificationListener( |
| Context context, |
| NotificationManager notificationManager, |
| @Main Handler mainHandler) { |
| mContext = context; |
| mNotificationManager = notificationManager; |
| mMainHandler = mainHandler; |
| } |
| |
| /** Registers a listener that's notified when notifications are added/removed/etc. */ |
| public void addNotificationHandler(NotificationHandler handler) { |
| if (mNotificationHandlers.contains(handler)) { |
| throw new IllegalArgumentException("Listener is already added"); |
| } |
| mNotificationHandlers.add(handler); |
| } |
| |
| /** Registers a listener that's notified when any notification-related settings change. */ |
| public void addNotificationSettingsListener(NotificationSettingsListener listener) { |
| mSettingsListeners.add(listener); |
| } |
| |
| @Override |
| public void onListenerConnected() { |
| if (DEBUG) Log.d(TAG, "onListenerConnected"); |
| onPluginConnected(); |
| final StatusBarNotification[] notifications = getActiveNotifications(); |
| if (notifications == null) { |
| Log.w(TAG, "onListenerConnected unable to get active notifications."); |
| return; |
| } |
| final RankingMap currentRanking = getCurrentRanking(); |
| mMainHandler.post(() -> { |
| // There's currently a race condition between the calls to getActiveNotifications() and |
| // getCurrentRanking(). It's possible for the ranking that we store here to not contain |
| // entries for every notification in getActiveNotifications(). To prevent downstream |
| // crashes, we temporarily fill in these missing rankings with stubs. |
| // See b/146011844 for long-term fix |
| final List<Ranking> newRankings = new ArrayList<>(); |
| for (StatusBarNotification sbn : notifications) { |
| newRankings.add(getRankingOrTemporaryStandIn(currentRanking, sbn.getKey())); |
| } |
| final RankingMap completeMap = new RankingMap(newRankings.toArray(new Ranking[0])); |
| |
| for (StatusBarNotification sbn : notifications) { |
| for (NotificationHandler listener : mNotificationHandlers) { |
| listener.onNotificationPosted(sbn, completeMap); |
| } |
| } |
| }); |
| onSilentStatusBarIconsVisibilityChanged( |
| mNotificationManager.shouldHideSilentStatusBarIcons()); |
| } |
| |
| @Override |
| public void onNotificationPosted(final StatusBarNotification sbn, |
| final RankingMap rankingMap) { |
| if (DEBUG) Log.d(TAG, "onNotificationPosted: " + sbn); |
| if (sbn != null && !onPluginNotificationPosted(sbn, rankingMap)) { |
| mMainHandler.post(() -> { |
| processForRemoteInput(sbn.getNotification(), mContext); |
| |
| for (NotificationHandler handler : mNotificationHandlers) { |
| handler.onNotificationPosted(sbn, rankingMap); |
| } |
| }); |
| } |
| } |
| |
| @Override |
| public void onNotificationRemoved(StatusBarNotification sbn, RankingMap rankingMap, |
| int reason) { |
| if (DEBUG) Log.d(TAG, "onNotificationRemoved: " + sbn + " reason: " + reason); |
| if (sbn != null && !onPluginNotificationRemoved(sbn, rankingMap)) { |
| mMainHandler.post(() -> { |
| for (NotificationHandler handler : mNotificationHandlers) { |
| handler.onNotificationRemoved(sbn, rankingMap, reason); |
| } |
| }); |
| } |
| } |
| |
| @Override |
| public void onNotificationRemoved(StatusBarNotification sbn, RankingMap rankingMap) { |
| onNotificationRemoved(sbn, rankingMap, UNDEFINED_DISMISS_REASON); |
| } |
| |
| @Override |
| public void onNotificationRankingUpdate(final RankingMap rankingMap) { |
| if (DEBUG) Log.d(TAG, "onRankingUpdate"); |
| if (rankingMap != null) { |
| RankingMap r = onPluginRankingUpdate(rankingMap); |
| mMainHandler.post(() -> { |
| for (NotificationHandler handler : mNotificationHandlers) { |
| handler.onNotificationRankingUpdate(r); |
| } |
| }); |
| } |
| } |
| |
| @Override |
| public void onSilentStatusBarIconsVisibilityChanged(boolean hideSilentStatusIcons) { |
| for (NotificationSettingsListener listener : mSettingsListeners) { |
| listener.onStatusBarIconsBehaviorChanged(hideSilentStatusIcons); |
| } |
| } |
| |
| public void registerAsSystemService() { |
| try { |
| registerAsSystemService(mContext, |
| new ComponentName(mContext.getPackageName(), getClass().getCanonicalName()), |
| UserHandle.USER_ALL); |
| } catch (RemoteException e) { |
| Log.e(TAG, "Unable to register notification listener", e); |
| } |
| } |
| |
| private static Ranking getRankingOrTemporaryStandIn(RankingMap rankingMap, String key) { |
| Ranking ranking = new Ranking(); |
| if (!rankingMap.getRanking(key, ranking)) { |
| ranking.populate( |
| key, |
| 0, |
| false, |
| 0, |
| 0, |
| 0, |
| null, |
| null, |
| null, |
| new ArrayList<>(), |
| new ArrayList<>(), |
| false, |
| 0, |
| false, |
| 0, |
| false, |
| new ArrayList<>(), |
| new ArrayList<>(), |
| false, |
| false, |
| false |
| ); |
| } |
| return ranking; |
| } |
| |
| public interface NotificationSettingsListener { |
| |
| default void onStatusBarIconsBehaviorChanged(boolean hideSilentStatusIcons) { } |
| } |
| |
| /** Interface for listening to add/remove events that we receive from NotificationManager. */ |
| public interface NotificationHandler { |
| void onNotificationPosted(StatusBarNotification sbn, RankingMap rankingMap); |
| void onNotificationRemoved(StatusBarNotification sbn, RankingMap rankingMap); |
| void onNotificationRemoved(StatusBarNotification sbn, RankingMap rankingMap, int reason); |
| void onNotificationRankingUpdate(RankingMap rankingMap); |
| } |
| } |