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/******************************************************************************
*
* Copyright 2021 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.bluetooth.apm;
import android.os.Binder;
import android.os.HandlerThread;
import android.os.Handler;
import android.os.Looper;
import android.os.Message;
import android.os.SystemProperties;
import android.util.Log;
import com.android.internal.util.ArrayUtils;
import java.util.ArrayList;
import java.util.Collections;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Set;
import android.content.Context;
import android.content.Intent;
import android.content.BroadcastReceiver;
import android.content.IntentFilter;
import android.media.AudioManager;
import android.media.AudioAttributes;
import android.media.AudioPlaybackConfiguration;
import android.media.MediaDescription;
import android.media.MediaMetadata;
import android.media.session.MediaSession;
import android.media.session.MediaSession.QueueItem;
import android.media.session.MediaSessionManager;
import android.media.session.PlaybackState;
import android.util.Log;
import android.util.StatsLog;
import android.bluetooth.BluetoothDevice;
import android.bluetooth.BluetoothProfile;
import com.android.bluetooth.avrcp.MediaController;
import com.android.bluetooth.apm.StreamAudioService;
import com.android.bluetooth.mcp.McpService;
public class MediaControlManager {
private static final boolean DBG = true;
private static final String TAG = "APM: MediaControlManager";
static MediaControlManager mMediaControlManager = null;
PlaybackCallback mPlaybackCallbackCb;
//MediaControlCallback mMediaControlCallbackCb;
BroadcastReceiver mMediaControlReceiver;
private static Context mContext;
//private AudioManager mAudioManager;
private Handler mHandler;
private McpService mMcpService;
public static final String MusicPlayerControlServiceName = "com.android.bluetooth.mcp.McpService";
public static final int MUSIC_PLAYER_CONTROL = McpService.MUSIC_PLAYER_CONTROL;
private MediaControlManager () {
mPlaybackCallbackCb = new PlaybackCallback();
//mMediaControlCallbackCb = new MediaControlCallback();
mMediaControlReceiver = new MediaControlReceiver();
}
public static MediaControlManager get() {
if(mMediaControlManager == null) {
mMediaControlManager = new MediaControlManager();
}
Log.v(TAG, "get");
return mMediaControlManager;
}
public static void make(Context context) {
if(mMediaControlManager == null) {
mMediaControlManager = new MediaControlManager();
mMediaControlManager.init(context);
MediaControlManagerIntf.init(mMediaControlManager);
Log.v(TAG, "init, New mMediaControlManager instance");
}
}
public void init(Context context) {
mContext = context;
/*mAudioManager = (AudioManager) context.getSystemService(Context.AUDIO_SERVICE);
HandlerThread thread = new HandlerThread("MediaControlThread");
Looper looper = thread.getLooper();
mHandler = new Handler(looper);
mAudioManager.registerAudioPlaybackCallback(mPlaybackCallbackCb,
mHandler);*/
IntentFilter filter = new IntentFilter();
filter.addAction(Intent.ACTION_PACKAGE_REMOVED);
filter.addAction(Intent.ACTION_PACKAGE_ADDED);
filter.addAction(Intent.ACTION_PACKAGE_CHANGED);
mContext.registerReceiver(mMediaControlReceiver, filter);
Log.v(TAG, "init done");
}
private void updateCurrentPlayer (int playerId, int browseId) {
}
void handlePassthroughCmd(int op, int state) {
}
private class PlaybackCallback extends AudioManager.AudioPlaybackCallback {
@Override
public void onPlaybackConfigChanged(List<AudioPlaybackConfiguration> configs) {
super.onPlaybackConfigChanged(configs);
/*Update Playback config*/
}
}
public void onMetadataChanged(MediaMetadata metadata) {
/*Update Metadata change*/
Log.v(TAG, "onMetadataChanged");
mMcpService = McpService.getMcpService();
if (mMcpService != null) {
mMcpService.updateMetaData(metadata);
}
}
public synchronized void onPlaybackStateChanged(PlaybackState state) {
/*Update Playback State*/
Log.v(TAG, "onPlaybackStateChanged");
mMcpService = McpService.getMcpService();
if (mMcpService != null) {
mMcpService.updatePlaybackState(state);
}
}
public synchronized void onPackageChanged(String packageName) {
Log.v(TAG, "onPackageChanged");
mMcpService = McpService.getMcpService();
boolean removed = false;
if (packageName == null)
removed = true;
if (mMcpService != null) {
mMcpService.updatePlayerName(packageName, removed);
}
}
public void onSessionDestroyed(String packageName) {
Log.v(TAG, "onSessionDestroyed");
mMcpService = McpService.getMcpService();
if (mMcpService != null) {
mMcpService.updatePlayerName(packageName, true);
}
}
public void onQueueChanged(List<MediaSession.QueueItem> queue) {
}
private class MediaControlReceiver extends BroadcastReceiver {
@Override
public void onReceive(Context context, Intent intent) {
String packageName = null;
String action = intent.getAction();
boolean removed = false;
Log.v(TAG, "action " + action);
if(action == null)
return;
switch(action) {
case Intent.ACTION_PACKAGE_REMOVED:
packageName = intent.getData().getSchemeSpecificPart();
/*handle package removed*/
removed = true;
break;
case Intent.ACTION_PACKAGE_ADDED:
packageName = intent.getData().getSchemeSpecificPart();
/*handle package added*/
break;
case Intent.ACTION_PACKAGE_CHANGED:
packageName = intent.getData().getSchemeSpecificPart();
/*handle package changed*/
break;
default :
break;
}
mMcpService = McpService.getMcpService();
if (mMcpService != null) {
mMcpService.updatePlayerName(packageName, removed);
}
}
}
}
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