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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.provider;
import android.media.routeprovider.RouteConnection;
import android.media.routeprovider.RouteInterfaceHandler;
import android.media.routeprovider.RoutePlaybackControlsHandler;
import android.media.routeprovider.RouteProviderService;
import android.media.routeprovider.RouteRequest;
import android.media.session.RouteInfo;
import android.media.session.RoutePlaybackControls;
import android.media.session.RouteInterface;
import android.media.session.PlaybackState;
import android.os.Bundle;
import android.os.Handler;
import android.os.Looper;
import android.os.ResultReceiver;
import android.util.Log;
import com.android.onemedia.playback.LocalRenderer;
import com.android.onemedia.playback.Renderer;
import com.android.onemedia.playback.RequestUtils;
import java.util.ArrayList;
import java.util.List;
import java.util.UUID;
/**
* Test of MediaRouteProvider. Show a dummy provider with a simple interface for
* playing music.
*/
public class OneMediaRouteProvider extends RouteProviderService {
private static final String TAG = "OneMRP";
private static final boolean DEBUG = true;
private Renderer mRenderer;
private RenderListener mRenderListener;
private PlaybackState mPlaybackState;
private RouteConnection mConnection;
private RoutePlaybackControlsHandler mControls;
private String mRouteId;
private Handler mHandler;
@Override
public void onCreate() {
mHandler = new Handler();
mRouteId = UUID.randomUUID().toString();
mRenderer = new LocalRenderer(this, null);
mRenderListener = new RenderListener();
mPlaybackState = new PlaybackState();
mPlaybackState.setActions(PlaybackState.ACTION_PAUSE
| PlaybackState.ACTION_PLAY);
mRenderer.registerListener(mRenderListener);
if (DEBUG) {
Log.d(TAG, "onCreate, routeId is " + mRouteId);
}
}
@Override
public List<RouteInfo> getMatchingRoutes(List<RouteRequest> requests) {
RouteInfo.Builder bob = new RouteInfo.Builder();
bob.setName("OneMedia").setId(mRouteId);
// TODO add a helper library for generating route info with the correct
// options
Log.d(TAG, "Requests:");
for (RouteRequest request : requests) {
List<String> ifaces = request.getConnectionOptions().getInterfaceNames();
Log.d(TAG, " request ifaces:" + ifaces.toString());
if (ifaces != null && ifaces.size() == 1
&& RoutePlaybackControls.NAME.equals(ifaces.get(0))) {
bob.addRouteOptions(request.getConnectionOptions());
}
}
ArrayList<RouteInfo> result = new ArrayList<RouteInfo>();
if (bob.getOptionsSize() > 0) {
RouteInfo info = bob.build();
result.add(info);
}
if (DEBUG) {
Log.d(TAG, "getRoutes returning " + result.toString());
}
return result;
}
@Override
public RouteConnection connect(RouteInfo route, RouteRequest request) {
if (mConnection != null) {
disconnect(mConnection);
}
RouteConnection connection = new RouteConnection(this, route);
mControls = RoutePlaybackControlsHandler.addTo(connection);
mControls.addListener(new PlayHandler(mRouteId), mHandler);
if (DEBUG) {
Log.d(TAG, "Connected to route");
}
return connection;
}
private class PlayHandler extends RoutePlaybackControlsHandler.Listener {
private final String mRouteId;
public PlayHandler(String routeId) {
mRouteId = routeId;
}
@Override
public void playNow(String content, ResultReceiver cb) {
if (DEBUG) {
Log.d(TAG, "Attempting to play " + content);
}
// look up the route and send a play command to it
Bundle bundle = new Bundle();
bundle.putString(RequestUtils.EXTRA_KEY_SOURCE, content);
mRenderer.setContent(bundle);
RouteInterfaceHandler.sendResult(cb, RouteInterface.RESULT_SUCCESS, null);
}
@Override
public boolean resume() {
mRenderer.onPlay();
return true;
}
@Override
public boolean pause() {
mRenderer.onPause();
return true;
}
}
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);
if (mControls != null) {
mControls.sendPlaybackChangeEvent(PlaybackState.STATE_ERROR);
}
}
@Override
public void onStateChanged(int newState) {
if (newState != Renderer.STATE_ERROR) {
mPlaybackState.setErrorMessage(null);
}
long position = -1;
if (mRenderer != null) {
position = mRenderer.getSeekPosition();
}
switch (newState) {
case Renderer.STATE_ENDED:
case Renderer.STATE_STOPPED:
mPlaybackState.setState(PlaybackState.STATE_STOPPED, position, 0);
break;
case Renderer.STATE_INIT:
case Renderer.STATE_PREPARING:
mPlaybackState.setState(PlaybackState.STATE_BUFFERING, position, 0);
break;
case Renderer.STATE_ERROR:
mPlaybackState.setState(PlaybackState.STATE_ERROR, position, 0);
break;
case Renderer.STATE_PAUSED:
mPlaybackState.setState(PlaybackState.STATE_PAUSED, position, 0);
break;
case Renderer.STATE_PLAYING:
mPlaybackState.setState(PlaybackState.STATE_PLAYING, position, 1);
break;
default:
mPlaybackState.setState(PlaybackState.STATE_ERROR, position, 0);
mPlaybackState.setErrorMessage("unkown state");
break;
}
mControls.sendPlaybackChangeEvent(mPlaybackState.getState());
}
@Override
public void onBufferingUpdate(int percent) {
}
@Override
public void onFocusLost() {
Log.d(TAG, "Focus lost, changing state to " + Renderer.STATE_PAUSED);
mPlaybackState.setState(PlaybackState.STATE_PAUSED, mRenderer.getSeekPosition(), 0);
mRenderer.onPause();
}
@Override
public void onNextStarted() {
}
}
}
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