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/*
* Copyright (C) 2015 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.dialer.voicemail;
import android.content.Context;
import android.media.AudioManager;
import android.media.AudioManager.OnAudioFocusChangeListener;
import android.util.Log;
import java.util.concurrent.RejectedExecutionException;
/**
* This class manages all audio changes for voicemail playback.
*/
final class VoicemailAudioManager implements OnAudioFocusChangeListener {
private static final String TAG = VoicemailAudioManager.class.getSimpleName();
public static final int PLAYBACK_STREAM = AudioManager.STREAM_VOICE_CALL;
private AudioManager mAudioManager;
private VoicemailPlaybackPresenter mVoicemailPlaybackPresenter;
public VoicemailAudioManager(Context context,
VoicemailPlaybackPresenter voicemailPlaybackPresenter) {
mAudioManager = (AudioManager) context.getSystemService(Context.AUDIO_SERVICE);
mVoicemailPlaybackPresenter = voicemailPlaybackPresenter;
}
public void requestAudioFocus() {
int result = mAudioManager.requestAudioFocus(
this,
PLAYBACK_STREAM,
AudioManager.AUDIOFOCUS_GAIN_TRANSIENT);
if (result != AudioManager.AUDIOFOCUS_REQUEST_GRANTED) {
throw new RejectedExecutionException("Could not capture audio focus.");
}
}
public void abandonAudioFocus() {
mAudioManager.abandonAudioFocus(this);
}
@Override
public void onAudioFocusChange(int focusChange) {
Log.d(TAG, "onAudioFocusChange: focusChange=" + focusChange);
mVoicemailPlaybackPresenter.onAudioFocusChange(focusChange == AudioManager.AUDIOFOCUS_GAIN);
}
public void turnOnSpeaker(boolean on) {
if (mAudioManager.isSpeakerphoneOn() != on) {
Log.i(TAG, "turning speaker phone on: " + on);
mAudioManager.setSpeakerphoneOn(on);
}
}
public boolean isSpeakerphoneOn() {
return mAudioManager.isSpeakerphoneOn();
}
}
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