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