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/*
* Copyright (C) 2013 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.incallui;
import android.telecom.CallAudioState;
import java.util.ArrayList;
import java.util.List;
/** Proxy class for getting and setting the audio mode. */
public class AudioModeProvider {
private static final int SUPPORTED_AUDIO_ROUTE_ALL =
CallAudioState.ROUTE_EARPIECE
| CallAudioState.ROUTE_BLUETOOTH
| CallAudioState.ROUTE_WIRED_HEADSET
| CallAudioState.ROUTE_SPEAKER;
private static final AudioModeProvider instance = new AudioModeProvider();
private final List<AudioModeListener> listeners = new ArrayList<>();
private CallAudioState audioState =
new CallAudioState(false, CallAudioState.ROUTE_EARPIECE, SUPPORTED_AUDIO_ROUTE_ALL);
public static AudioModeProvider getInstance() {
return instance;
}
public void onAudioStateChanged(CallAudioState audioState) {
if (!this.audioState.equals(audioState)) {
this.audioState = audioState;
for (AudioModeListener listener : listeners) {
listener.onAudioStateChanged(audioState);
}
}
}
public void addListener(AudioModeListener listener) {
if (!listeners.contains(listener)) {
listeners.add(listener);
listener.onAudioStateChanged(audioState);
}
}
public void removeListener(AudioModeListener listener) {
listeners.remove(listener);
}
public CallAudioState getAudioState() {
return audioState;
}
/** Notified on changes to audio mode. */
public interface AudioModeListener {
void onAudioStateChanged(CallAudioState audioState);
}
}
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