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Add
WifiLock management to SimpleExoPlayer.
Issue:#6914 PiperOrigin-RevId: 297598910
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95 changes: 95 additions & 0 deletions
95
library/core/src/main/java/com/google/android/exoplayer2/WifiLockManager.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,95 @@ | ||
| /* | ||
| * Copyright (C) 2020 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.google.android.exoplayer2; | ||
|
|
||
| import android.content.Context; | ||
| import android.net.wifi.WifiManager; | ||
| import android.net.wifi.WifiManager.WifiLock; | ||
| import androidx.annotation.Nullable; | ||
| import com.google.android.exoplayer2.util.Log; | ||
|
|
||
| /** | ||
| * Handles a {@link WifiLock} | ||
| * | ||
| * <p>The handling of wifi locks requires the {@link android.Manifest.permission#WAKE_LOCK} | ||
| * permission. | ||
| */ | ||
| /* package */ final class WifiLockManager { | ||
|
|
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| private static final String TAG = "WifiLockManager"; | ||
| private static final String WIFI_LOCK_TAG = "ExoPlayer:WifiLockManager"; | ||
|
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| @Nullable private final WifiManager wifiManager; | ||
| @Nullable private WifiLock wifiLock; | ||
| private boolean enabled; | ||
| private boolean stayAwake; | ||
|
|
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| public WifiLockManager(Context context) { | ||
| wifiManager = | ||
| (WifiManager) context.getApplicationContext().getSystemService(Context.WIFI_SERVICE); | ||
| } | ||
|
|
||
| /** | ||
| * Sets whether to enable the usage of a {@link WifiLock}. | ||
| * | ||
| * <p>By default, wifi lock handling is not enabled. Enabling will acquire the wifi lock if | ||
| * necessary. Disabling will release the wifi lock if held. | ||
| * | ||
| * <p>Enabling {@link WifiLock} requires the {@link android.Manifest.permission#WAKE_LOCK}. | ||
| * | ||
| * @param enabled True if the player should handle a {@link WifiLock}. | ||
| */ | ||
| public void setEnabled(boolean enabled) { | ||
| if (enabled && wifiLock == null) { | ||
| if (wifiManager == null) { | ||
| Log.w(TAG, "WifiManager is null, therefore not creating the WifiLock."); | ||
| return; | ||
| } | ||
| wifiLock = wifiManager.createWifiLock(WifiManager.WIFI_MODE_FULL_HIGH_PERF, WIFI_LOCK_TAG); | ||
| } | ||
|
|
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| this.enabled = enabled; | ||
| updateWifiLock(); | ||
| } | ||
|
|
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| /** | ||
| * Sets whether to acquire or release the {@link WifiLock}. | ||
| * | ||
| * <p>The wifi lock will not be acquired unless handling has been enabled through {@link | ||
| * #setEnabled(boolean)}. | ||
| * | ||
| * @param stayAwake True if the player should acquire the {@link WifiLock}. False if it should | ||
| * release. | ||
| */ | ||
| public void setStayAwake(boolean stayAwake) { | ||
| this.stayAwake = stayAwake; | ||
| updateWifiLock(); | ||
| } | ||
|
|
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| private void updateWifiLock() { | ||
| if (wifiLock == null) { | ||
| return; | ||
| } | ||
|
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| if (enabled && stayAwake) { | ||
| if (!wifiLock.isHeld()) { | ||
| wifiLock.acquire(); | ||
| } | ||
| } else if (wifiLock.isHeld()) { | ||
| wifiLock.release(); | ||
| } | ||
| } | ||
| } |