mirror of https://github.com/NekoX-Dev/NekoX.git
102 lines
3.3 KiB
Java
102 lines
3.3 KiB
Java
/*
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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.google.android.exoplayer2;
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import android.annotation.SuppressLint;
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import android.content.Context;
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import android.os.PowerManager;
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import android.os.PowerManager.WakeLock;
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import androidx.annotation.Nullable;
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import com.google.android.exoplayer2.util.Log;
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/**
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* Handles a {@link WakeLock}.
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*
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* <p>The handling of wake locks requires the {@link android.Manifest.permission#WAKE_LOCK}
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* permission.
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*/
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/* package */ final class WakeLockManager {
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private static final String TAG = "WakeLockManager";
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private static final String WAKE_LOCK_TAG = "ExoPlayer:WakeLockManager";
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@Nullable private final PowerManager powerManager;
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@Nullable private WakeLock wakeLock;
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private boolean enabled;
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private boolean stayAwake;
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public WakeLockManager(Context context) {
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powerManager =
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(PowerManager) context.getApplicationContext().getSystemService(Context.POWER_SERVICE);
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}
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/**
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* Sets whether to enable the acquiring and releasing of the {@link WakeLock}.
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*
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* <p>By default, wake lock handling is not enabled. Enabling this will acquire the wake lock if
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* necessary. Disabling this will release the wake lock if it is held.
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*
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* <p>Enabling {@link WakeLock} requires the {@link android.Manifest.permission#WAKE_LOCK}.
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*
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* @param enabled True if the player should handle a {@link WakeLock}, false otherwise.
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*/
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public void setEnabled(boolean enabled) {
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if (enabled) {
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if (wakeLock == null) {
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if (powerManager == null) {
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Log.w(TAG, "PowerManager is null, therefore not creating the WakeLock.");
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return;
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}
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wakeLock = powerManager.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, WAKE_LOCK_TAG);
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wakeLock.setReferenceCounted(false);
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}
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}
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this.enabled = enabled;
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updateWakeLock();
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}
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/**
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* Sets whether to acquire or release the {@link WakeLock}.
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*
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* <p>Please note this method requires wake lock handling to be enabled through setEnabled(boolean
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* enable) to actually have an impact on the {@link WakeLock}.
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*
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* @param stayAwake True if the player should acquire the {@link WakeLock}. False if the player
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* should release.
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*/
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public void setStayAwake(boolean stayAwake) {
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this.stayAwake = stayAwake;
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updateWakeLock();
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}
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// WakelockTimeout suppressed because the time the wake lock is needed for is unknown (could be
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// listening to radio with screen off for multiple hours), therefore we can not determine a
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// reasonable timeout that would not affect the user.
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@SuppressLint("WakelockTimeout")
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private void updateWakeLock() {
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if (wakeLock == null) {
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return;
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}
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if (enabled && stayAwake) {
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wakeLock.acquire();
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} else {
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wakeLock.release();
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}
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}
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}
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