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/*
* Copyright (C) 2016 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.avrcpcontroller;
import android.media.MediaMetadata;
import android.media.session.PlaybackState;
import android.os.SystemClock;
import android.util.Log;
import java.util.Arrays;
/*
* Contains information about remote player
*/
class AvrcpPlayer {
private static final String TAG = "AvrcpPlayer";
private static final boolean DBG = Log.isLoggable(TAG, Log.DEBUG);
public static final int INVALID_ID = -1;
public static final int FEATURE_PLAY = 40;
public static final int FEATURE_STOP = 41;
public static final int FEATURE_PAUSE = 42;
public static final int FEATURE_REWIND = 44;
public static final int FEATURE_FAST_FORWARD = 45;
public static final int FEATURE_FORWARD = 47;
public static final int FEATURE_PREVIOUS = 48;
public static final int FEATURE_BROWSING = 59;
private int mPlayStatus = PlaybackState.STATE_NONE;
private long mPlayTime = PlaybackState.PLAYBACK_POSITION_UNKNOWN;
private long mPlayTimeUpdate = 0;
private float mPlaySpeed = 1;
private int mId;
private String mName = "";
private int mPlayerType;
private byte[] mPlayerFeatures;
private long mAvailableActions;
private MediaMetadata mCurrentTrack;
private PlaybackState mPlaybackState;
AvrcpPlayer() {
mId = INVALID_ID;
//Set Default Actions in case Player data isn't available.
mAvailableActions = PlaybackState.ACTION_PAUSE | PlaybackState.ACTION_PLAY
| PlaybackState.ACTION_SKIP_TO_NEXT | PlaybackState.ACTION_SKIP_TO_PREVIOUS
| PlaybackState.ACTION_STOP;
PlaybackState.Builder playbackStateBuilder = new PlaybackState.Builder()
.setActions(mAvailableActions);
mPlaybackState = playbackStateBuilder.build();
}
AvrcpPlayer(int id, String name, byte[] playerFeatures, int playStatus, int playerType) {
mId = id;
mName = name;
mPlayStatus = playStatus;
mPlayerType = playerType;
mPlayerFeatures = Arrays.copyOf(playerFeatures, playerFeatures.length);
updateAvailableActions();
PlaybackState.Builder playbackStateBuilder = new PlaybackState.Builder()
.setActions(mAvailableActions);
mPlaybackState = playbackStateBuilder.build();
}
public int getId() {
return mId;
}
public String getName() {
return mName;
}
public void setPlayTime(int playTime) {
mPlayTime = playTime;
mPlayTimeUpdate = SystemClock.elapsedRealtime();
mPlaybackState = new PlaybackState.Builder(mPlaybackState).setState(mPlayStatus, mPlayTime,
mPlaySpeed).build();
}
public long getPlayTime() {
return mPlayTime;
}
public void setPlayStatus(int playStatus) {
mPlayTime += mPlaySpeed * (SystemClock.elapsedRealtime()
- mPlaybackState.getLastPositionUpdateTime());
mPlayStatus = playStatus;
switch (mPlayStatus) {
case PlaybackState.STATE_STOPPED:
mPlaySpeed = 0;
break;
case PlaybackState.STATE_PLAYING:
mPlaySpeed = 1;
break;
case PlaybackState.STATE_PAUSED:
mPlaySpeed = 0;
break;
case PlaybackState.STATE_FAST_FORWARDING:
mPlaySpeed = 3;
break;
case PlaybackState.STATE_REWINDING:
mPlaySpeed = -3;
break;
}
mPlaybackState = new PlaybackState.Builder(mPlaybackState).setState(mPlayStatus, mPlayTime,
mPlaySpeed).build();
}
public int getPlayStatus() {
return mPlayStatus;
}
public boolean supportsFeature(int featureId) {
int byteNumber = featureId / 8;
byte bitMask = (byte) (1 << (featureId % 8));
return (mPlayerFeatures[byteNumber] & bitMask) == bitMask;
}
public PlaybackState getPlaybackState() {
if (DBG) {
Log.d(TAG, "getPlayBackState state " + mPlayStatus + " time " + mPlayTime);
}
return mPlaybackState;
}
public synchronized void updateCurrentTrack(MediaMetadata update) {
if (update != null) {
long trackNumber = update.getLong(MediaMetadata.METADATA_KEY_TRACK_NUMBER);
mPlaybackState = new PlaybackState.Builder(mPlaybackState).setActiveQueueItemId(
trackNumber - 1).build();
}
mCurrentTrack = update;
}
public synchronized MediaMetadata getCurrentTrack() {
return mCurrentTrack;
}
private void updateAvailableActions() {
if (supportsFeature(FEATURE_PLAY)) {
mAvailableActions = mAvailableActions | PlaybackState.ACTION_PLAY;
}
if (supportsFeature(FEATURE_STOP)) {
mAvailableActions = mAvailableActions | PlaybackState.ACTION_STOP;
}
if (supportsFeature(FEATURE_PAUSE)) {
mAvailableActions = mAvailableActions | PlaybackState.ACTION_PAUSE;
}
if (supportsFeature(FEATURE_REWIND)) {
mAvailableActions = mAvailableActions | PlaybackState.ACTION_REWIND;
}
if (supportsFeature(FEATURE_FAST_FORWARD)) {
mAvailableActions = mAvailableActions | PlaybackState.ACTION_FAST_FORWARD;
}
if (supportsFeature(FEATURE_FORWARD)) {
mAvailableActions = mAvailableActions | PlaybackState.ACTION_SKIP_TO_NEXT;
}
if (supportsFeature(FEATURE_PREVIOUS)) {
mAvailableActions = mAvailableActions | PlaybackState.ACTION_SKIP_TO_PREVIOUS;
}
if (DBG) Log.d(TAG, "Supported Actions = " + mAvailableActions);
}
}
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