mirror of https://github.com/NekoX-Dev/NekoX.git
82 lines
2.6 KiB
Java
82 lines
2.6 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.content.BroadcastReceiver;
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import android.content.Context;
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import android.content.Intent;
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import android.content.IntentFilter;
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import android.media.AudioManager;
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import android.os.Handler;
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/* package */ final class AudioBecomingNoisyManager {
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private final Context context;
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private final AudioBecomingNoisyReceiver receiver;
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private boolean receiverRegistered;
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public interface EventListener {
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void onAudioBecomingNoisy();
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}
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public AudioBecomingNoisyManager(Context context, Handler eventHandler, EventListener listener) {
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this.context = context.getApplicationContext();
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this.receiver = new AudioBecomingNoisyReceiver(eventHandler, listener);
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}
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/**
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* Enables the {@link AudioBecomingNoisyManager} which calls {@link
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* EventListener#onAudioBecomingNoisy()} upon receiving an intent of {@link
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* AudioManager#ACTION_AUDIO_BECOMING_NOISY}.
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*
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* @param enabled True if the listener should be notified when audio is becoming noisy.
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*/
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public void setEnabled(boolean enabled) {
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if (enabled && !receiverRegistered) {
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context.registerReceiver(
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receiver, new IntentFilter(AudioManager.ACTION_AUDIO_BECOMING_NOISY));
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receiverRegistered = true;
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} else if (!enabled && receiverRegistered) {
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context.unregisterReceiver(receiver);
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receiverRegistered = false;
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}
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}
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private final class AudioBecomingNoisyReceiver extends BroadcastReceiver implements Runnable {
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private final EventListener listener;
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private final Handler eventHandler;
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public AudioBecomingNoisyReceiver(Handler eventHandler, EventListener listener) {
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this.eventHandler = eventHandler;
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this.listener = listener;
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}
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@Override
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public void onReceive(Context context, Intent intent) {
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if (AudioManager.ACTION_AUDIO_BECOMING_NOISY.equals(intent.getAction())) {
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eventHandler.post(this);
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}
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}
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@Override
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public void run() {
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if (receiverRegistered) {
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listener.onAudioBecomingNoisy();
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}
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}
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}
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}
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