/*
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* Copyright (C) 2019 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.annotation.NonNull;
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import android.app.Notification;
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import android.os.Handler;
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import android.os.Looper;
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import android.util.ArraySet;
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import com.android.internal.annotations.VisibleForTesting;
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import com.android.systemui.statusbar.NotificationLifetimeExtender;
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import com.android.systemui.statusbar.notification.collection.NotificationEntry;
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/**
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* Extends the lifetime of foreground notification services such that they show for at least
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* five seconds
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*/
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public class ForegroundServiceLifetimeExtender implements NotificationLifetimeExtender {
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private static final String TAG = "FGSLifetimeExtender";
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@VisibleForTesting
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static final int MIN_FGS_TIME_MS = 5000;
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private NotificationSafeToRemoveCallback mNotificationSafeToRemoveCallback;
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private ArraySet<NotificationEntry> mManagedEntries = new ArraySet<>();
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private Handler mHandler = new Handler(Looper.getMainLooper());
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public ForegroundServiceLifetimeExtender() {
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}
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@Override
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public void setCallback(@NonNull NotificationSafeToRemoveCallback callback) {
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mNotificationSafeToRemoveCallback = callback;
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}
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@Override
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public boolean shouldExtendLifetime(@NonNull NotificationEntry entry) {
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if ((entry.notification.getNotification().flags
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& Notification.FLAG_FOREGROUND_SERVICE) == 0) {
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return false;
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}
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long currentTime = System.currentTimeMillis();
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return currentTime - entry.notification.getPostTime() < MIN_FGS_TIME_MS;
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}
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@Override
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public boolean shouldExtendLifetimeForPendingNotification(
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@NonNull NotificationEntry entry) {
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return shouldExtendLifetime(entry);
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}
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@Override
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public void setShouldManageLifetime(
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@NonNull NotificationEntry entry, boolean shouldManage) {
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if (!shouldManage) {
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mManagedEntries.remove(entry);
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return;
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}
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mManagedEntries.add(entry);
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Runnable r = () -> {
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if (mManagedEntries.contains(entry)) {
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mManagedEntries.remove(entry);
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if (mNotificationSafeToRemoveCallback != null) {
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mNotificationSafeToRemoveCallback.onSafeToRemove(entry.key);
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}
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}
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};
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long delayAmt = MIN_FGS_TIME_MS
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- (System.currentTimeMillis() - entry.notification.getPostTime());
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mHandler.postDelayed(r, delayAmt);
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}
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}
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