/*
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* Copyright (C) 2018 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.systemui;
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import android.app.Notification;
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import android.app.NotificationManager;
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import android.content.Context;
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import android.os.Bundle;
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import android.service.notification.StatusBarNotification;
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import android.util.Log;
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import com.android.internal.statusbar.NotificationVisibility;
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import com.android.systemui.statusbar.notification.NotificationEntryListener;
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import com.android.systemui.statusbar.notification.NotificationEntryManager;
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import com.android.systemui.statusbar.notification.collection.NotificationEntry;
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import javax.inject.Inject;
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import javax.inject.Singleton;
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/** Updates foreground service notification state in response to notification data events. */
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@Singleton
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public class ForegroundServiceNotificationListener {
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private static final String TAG = "FgServiceController";
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private static final boolean DBG = false;
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private final Context mContext;
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private final ForegroundServiceController mForegroundServiceController;
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@Inject
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public ForegroundServiceNotificationListener(Context context,
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ForegroundServiceController foregroundServiceController,
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NotificationEntryManager notificationEntryManager) {
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mContext = context;
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mForegroundServiceController = foregroundServiceController;
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notificationEntryManager.addNotificationEntryListener(new NotificationEntryListener() {
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@Override
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public void onPendingEntryAdded(NotificationEntry entry) {
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addNotification(entry.notification, entry.importance);
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}
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@Override
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public void onPostEntryUpdated(NotificationEntry entry) {
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updateNotification(entry.notification, entry.importance);
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}
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@Override
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public void onEntryRemoved(
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NotificationEntry entry,
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NotificationVisibility visibility,
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boolean removedByUser) {
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removeNotification(entry.notification);
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}
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});
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notificationEntryManager.addNotificationLifetimeExtender(
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new ForegroundServiceLifetimeExtender());
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}
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/**
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* @param sbn notification that was just posted
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*/
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private void addNotification(StatusBarNotification sbn, int importance) {
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updateNotification(sbn, importance);
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}
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/**
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* @param sbn notification that was just removed
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*/
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private void removeNotification(StatusBarNotification sbn) {
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mForegroundServiceController.updateUserState(
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sbn.getUserId(),
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new ForegroundServiceController.UserStateUpdateCallback() {
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@Override
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public boolean updateUserState(ForegroundServicesUserState userState) {
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if (mForegroundServiceController.isDisclosureNotification(sbn)) {
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// if you remove the dungeon entirely, we take that to mean there are
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// no running services
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userState.setRunningServices(null, 0);
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return true;
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} else {
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// this is safe to call on any notification, not just
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// FLAG_FOREGROUND_SERVICE
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return userState.removeNotification(sbn.getPackageName(), sbn.getKey());
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}
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}
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@Override
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public void userStateNotFound(int userId) {
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if (DBG) {
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Log.w(TAG, String.format(
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"user %d with no known notifications got removeNotification "
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+ "for %s",
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sbn.getUserId(), sbn));
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}
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}
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},
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false /* don't create */);
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}
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/**
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* @param sbn notification that was just changed in some way
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*/
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private void updateNotification(StatusBarNotification sbn, int newImportance) {
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mForegroundServiceController.updateUserState(
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sbn.getUserId(),
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userState -> {
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if (mForegroundServiceController.isDisclosureNotification(sbn)) {
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final Bundle extras = sbn.getNotification().extras;
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if (extras != null) {
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final String[] svcs = extras.getStringArray(
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Notification.EXTRA_FOREGROUND_APPS);
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userState.setRunningServices(svcs, sbn.getNotification().when);
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}
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} else {
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userState.removeNotification(sbn.getPackageName(), sbn.getKey());
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if (0 != (sbn.getNotification().flags
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& Notification.FLAG_FOREGROUND_SERVICE)) {
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if (newImportance > NotificationManager.IMPORTANCE_MIN) {
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userState.addImportantNotification(sbn.getPackageName(),
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sbn.getKey());
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}
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final Notification.Builder builder =
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Notification.Builder.recoverBuilder(
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mContext, sbn.getNotification());
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if (builder.usesStandardHeader()) {
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userState.addStandardLayoutNotification(
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sbn.getPackageName(), sbn.getKey());
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}
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}
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}
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return true;
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},
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true /* create if not found */);
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}
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}
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