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/*
* Copyright (C) 2014 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.onemedia;
import android.content.Context;
import android.content.Intent;
import android.media.session.MediaSession;
import android.media.session.MediaSessionManager;
import android.media.session.MediaSessionToken;
import android.media.session.PlaybackState;
import android.media.session.TransportPerformer;
import android.os.Bundle;
import android.util.Log;
import android.view.KeyEvent;
import com.android.onemedia.playback.LocalRenderer;
import com.android.onemedia.playback.Renderer;
import com.android.onemedia.playback.RendererFactory;
public class PlayerSession {
private static final String TAG = "PlayerSession";
protected MediaSession mSession;
protected Context mContext;
protected RendererFactory mRendererFactory;
protected LocalRenderer mRenderer;
protected MediaSession.Callback mCallback;
protected Renderer.Listener mRenderListener;
protected TransportPerformer mPerformer;
protected PlaybackState mPlaybackState;
protected Listener mListener;
public PlayerSession(Context context) {
mContext = context;
mRendererFactory = new RendererFactory();
mRenderer = new LocalRenderer(context, null);
mCallback = new ControllerCb();
mRenderListener = new RenderListener();
mPlaybackState = new PlaybackState();
mPlaybackState.setActions(PlaybackState.ACTION_PAUSE
| PlaybackState.ACTION_PLAY);
mRenderer.registerListener(mRenderListener);
}
public void createSession() {
if (mSession != null) {
mSession.release();
}
MediaSessionManager man = (MediaSessionManager) mContext
.getSystemService(Context.MEDIA_SESSION_SERVICE);
Log.d(TAG, "Creating session for package " + mContext.getBasePackageName());
mSession = man.createSession("OneMedia");
mSession.addCallback(mCallback);
mPerformer = mSession.setTransportPerformerEnabled();
mPerformer.addListener(new TransportListener());
mPerformer.setPlaybackState(mPlaybackState);
mSession.publish();
}
public void onDestroy() {
if (mSession != null) {
mSession.release();
}
if (mRenderer != null) {
mRenderer.unregisterListener(mRenderListener);
mRenderer.onDestroy();
}
}
public void setListener(Listener listener) {
mListener = listener;
}
public MediaSessionToken getSessionToken() {
return mSession.getSessionToken();
}
public void setContent(Bundle request) {
mRenderer.setContent(request);
}
public void setNextContent(Bundle request) {
mRenderer.setNextContent(request);
}
public interface Listener {
public void onPlayStateChanged(PlaybackState state);
}
private class RenderListener implements Renderer.Listener {
@Override
public void onError(int type, int extra, Bundle extras, Throwable error) {
Log.d(TAG, "Sending onError with type " + type + " and extra " + extra);
mPlaybackState.setState(PlaybackState.PLAYSTATE_ERROR);
if (error != null) {
mPlaybackState.setErrorMessage(error.getLocalizedMessage());
}
mPerformer.setPlaybackState(mPlaybackState);
if (mListener != null) {
mListener.onPlayStateChanged(mPlaybackState);
}
}
@Override
public void onStateChanged(int newState) {
if (newState != Renderer.STATE_ERROR) {
mPlaybackState.setErrorMessage(null);
}
switch (newState) {
case Renderer.STATE_ENDED:
case Renderer.STATE_STOPPED:
mPlaybackState.setState(PlaybackState.PLAYSTATE_STOPPED);
break;
case Renderer.STATE_INIT:
case Renderer.STATE_PREPARING:
mPlaybackState.setState(PlaybackState.PLAYSTATE_BUFFERING);
break;
case Renderer.STATE_ERROR:
mPlaybackState.setState(PlaybackState.PLAYSTATE_ERROR);
break;
case Renderer.STATE_PAUSED:
mPlaybackState.setState(PlaybackState.PLAYSTATE_PAUSED);
break;
case Renderer.STATE_PLAYING:
mPlaybackState.setState(PlaybackState.PLAYSTATE_PLAYING);
break;
default:
mPlaybackState.setState(PlaybackState.PLAYSTATE_ERROR);
mPlaybackState.setErrorMessage("unkown state");
break;
}
mPlaybackState.setPosition(mRenderer.getSeekPosition());
mPerformer.setPlaybackState(mPlaybackState);
if (mListener != null) {
mListener.onPlayStateChanged(mPlaybackState);
}
}
@Override
public void onBufferingUpdate(int percent) {
}
@Override
public void onFocusLost() {
Log.d(TAG, "Focus lost, changing state to " + Renderer.STATE_PAUSED);
mPlaybackState.setState(PlaybackState.PLAYSTATE_PAUSED);
mPlaybackState.setPosition(mRenderer.getSeekPosition());
mPerformer.setPlaybackState(mPlaybackState);
if (mListener != null) {
mListener.onPlayStateChanged(mPlaybackState);
}
}
@Override
public void onNextStarted() {
}
}
private class ControllerCb extends MediaSession.Callback {
@Override
public void onMediaButton(Intent mediaRequestIntent) {
if (Intent.ACTION_MEDIA_BUTTON.equals(mediaRequestIntent.getAction())) {
KeyEvent event = (KeyEvent) mediaRequestIntent
.getParcelableExtra(Intent.EXTRA_KEY_EVENT);
switch (event.getKeyCode()) {
case KeyEvent.KEYCODE_MEDIA_PLAY:
Log.d(TAG, "play button received");
mRenderer.onPlay();
break;
case KeyEvent.KEYCODE_MEDIA_PAUSE:
Log.d(TAG, "pause button received");
mRenderer.onPause();
break;
}
}
}
}
private class TransportListener extends TransportPerformer.Listener {
@Override
public void onPlay() {
mRenderer.onPlay();
}
@Override
public void onPause() {
mRenderer.onPause();
}
}
}
|
