diff options
Diffstat (limited to 'mobile/android/exoplayer2/src/main/java/org/mozilla/thirdparty/com/google/android/exoplayer2/WifiLockManager.java')
-rw-r--r-- | mobile/android/exoplayer2/src/main/java/org/mozilla/thirdparty/com/google/android/exoplayer2/WifiLockManager.java | 94 |
1 files changed, 94 insertions, 0 deletions
diff --git a/mobile/android/exoplayer2/src/main/java/org/mozilla/thirdparty/com/google/android/exoplayer2/WifiLockManager.java b/mobile/android/exoplayer2/src/main/java/org/mozilla/thirdparty/com/google/android/exoplayer2/WifiLockManager.java new file mode 100644 index 0000000000..1081dd39a8 --- /dev/null +++ b/mobile/android/exoplayer2/src/main/java/org/mozilla/thirdparty/com/google/android/exoplayer2/WifiLockManager.java @@ -0,0 +1,94 @@ +/* + * 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 org.mozilla.thirdparty.com.google.android.exoplayer2; + +import android.content.Context; +import android.net.wifi.WifiManager; +import android.net.wifi.WifiManager.WifiLock; +import androidx.annotation.Nullable; +import org.mozilla.thirdparty.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 { + + private static final String TAG = "WifiLockManager"; + private static final String WIFI_LOCK_TAG = "ExoPlayer:WifiLockManager"; + + @Nullable private final WifiManager wifiManager; + @Nullable private WifiLock wifiLock; + private boolean enabled; + private boolean stayAwake; + + 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); + wifiLock.setReferenceCounted(false); + } + + this.enabled = enabled; + updateWifiLock(); + } + + /** + * 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(); + } + + private void updateWifiLock() { + if (wifiLock == null) { + return; + } + + if (enabled && stayAwake) { + wifiLock.acquire(); + } else { + wifiLock.release(); + } + } +} |