Start of Auto support

8 files changed, 350 insertions, 72 deletions

diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index 152375a4..efaf4ecc 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -90,6 +90,15 @@
 
         <service android:name=".service.DownloadService"
                  android:label="DSub Playback Service"/>
+
+		<service android:name=".service.AutoMediaBrowserService"
+				 android:exported="true">
+
+			<intent-filter>
+				<action android:name="android.media.browse.MediaBrowserService"/>
+			</intent-filter>
+		</service>
+
 		<service android:name="org.fourthline.cling.android.AndroidUpnpServiceImpl"/>
 		<service android:name="github.daneren2005.dsub.service.sync.AuthenticatorService">
 			<intent-filter>
@@ -241,6 +250,11 @@
 		<meta-data
 			android:name="com.google.android.gms.version"
 			android:value="@integer/google_play_services_version" />
-    </application>
+
+		<meta-data android:name="com.google.android.gms.car.application"
+				   android:resource="@xml/auto_app_description"/>
+		<meta-data android:name="com.google.android.gms.car.notification.SmallIcon"
+				   android:resource="@drawable/stat_notify_playing" />
+	</application>
 
 </manifest>
diff --git a/app/src/main/java/github/daneren2005/dsub/service/AutoMediaBrowserService.java b/app/src/main/java/github/daneren2005/dsub/service/AutoMediaBrowserService.java
new file mode 100644
index 00000000..4d21d793
--- /dev/null
+++ b/app/src/main/java/github/daneren2005/dsub/service/AutoMediaBrowserService.java
@@ -0,0 +1,94 @@
+/*
+	This file is part of Subsonic.
+
+	Subsonic is free software: you can redistribute it and/or modify
+	it under the terms of the GNU General Public License as published by
+	the Free Software Foundation, either version 3 of the License, or
+	(at your option) any later version.
+
+	Subsonic is distributed in the hope that it will be useful,
+	but WITHOUT ANY WARRANTY; without even the implied warranty of
+	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+	GNU General Public License for more details.
+
+	You should have received a copy of the GNU General Public License
+	along with Subsonic. If not, see <http://www.gnu.org/licenses/>.
+
+	Copyright 2015 (C) Scott Jackson
+*/
+package github.daneren2005.dsub.service;
+
+import android.annotation.TargetApi;
+import android.content.Intent;
+import android.media.MediaDescription;
+import android.media.browse.MediaBrowser;
+import android.media.session.MediaSession;
+import android.os.Build;
+import android.os.Bundle;
+import android.service.media.MediaBrowserService;
+import android.support.annotation.Nullable;
+import android.util.Log;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import github.daneren2005.dsub.util.Util;
+import github.daneren2005.dsub.util.compat.RemoteControlClientLP;
+
+@TargetApi(Build.VERSION_CODES.LOLLIPOP)
+public class AutoMediaBrowserService extends MediaBrowserService {
+	private static final String TAG = AutoMediaBrowserService.class.getSimpleName();
+	private static final String BROWSER_ROOT = "root";
+	MediaSession mediaSession;
+
+	@Override
+	public void onCreate() {
+		super.onCreate();
+
+		DownloadService downloadService = getDownloadService();
+		RemoteControlClientLP remoteControlClient = (RemoteControlClientLP) downloadService.getRemoteControlClient();
+		setSessionToken(remoteControlClient.getMediaSession().getSessionToken());
+	}
+
+		@Nullable
+	@Override
+	public BrowserRoot onGetRoot(String clientPackageName, int clientUid, Bundle rootHints) {
+		BrowserRoot root = new BrowserRoot(BROWSER_ROOT, null);
+		return root;
+	}
+
+	@Override
+	public void onLoadChildren(String parentId, Result<List<MediaBrowser.MediaItem>> result) {
+		if(BROWSER_ROOT.equals(parentId)) {
+			getRootFolders(result);
+		} else {
+
+		}
+	}
+
+	private void getRootFolders(Result<List<MediaBrowser.MediaItem>> result) {
+		List<MediaBrowser.MediaItem> mediaItems = new ArrayList<>();
+
+		MediaDescription.Builder library = new MediaDescription.Builder();
+		library.setDescription("Library")
+			.setMediaId("library");
+		mediaItems.add(new MediaBrowser.MediaItem(library.build(), MediaBrowser.MediaItem.FLAG_BROWSABLE));
+
+		result.sendResult(mediaItems);
+	}
+
+	public DownloadService getDownloadService() {
+		// If service is not available, request it to start and wait for it.
+		for (int i = 0; i < 5; i++) {
+			DownloadService downloadService = DownloadService.getInstance();
+			if (downloadService != null) {
+				break;
+			}
+			Log.w(TAG, "DownloadService not running. Attempting to start it.");
+			startService(new Intent(this, DownloadService.class));
+			Util.sleepQuietly(50L);
+		}
+
+		return DownloadService.getInstance();
+	}
+}
diff --git a/app/src/main/java/github/daneren2005/dsub/service/DownloadService.java b/app/src/main/java/github/daneren2005/dsub/service/DownloadService.java
index 7af21831..6dedca29 100644
--- a/app/src/main/java/github/daneren2005/dsub/service/DownloadService.java
+++ b/app/src/main/java/github/daneren2005/dsub/service/DownloadService.java
@@ -49,7 +49,7 @@ import github.daneren2005.dsub.util.MediaRouteManager;
 import github.daneren2005.dsub.util.ShufflePlayBuffer;
 import github.daneren2005.dsub.util.SimpleServiceBinder;
 import github.daneren2005.dsub.util.Util;
-import github.daneren2005.dsub.util.compat.RemoteControlClientHelper;
+import github.daneren2005.dsub.util.compat.RemoteControlClientBase;
 import github.daneren2005.dsub.util.tags.BastpUtil;
 import github.daneren2005.dsub.view.UpdateView;
 import github.daneren2005.serverproxy.BufferProxy;
@@ -106,7 +106,7 @@ public class DownloadService extends Service {
 	private static final int SHUFFLE_MODE_ALL = 1;
 	private static final int SHUFFLE_MODE_ARTIST = 2;
 
-	private RemoteControlClientHelper mRemoteControl;
+	private RemoteControlClientBase mRemoteControl;
 
 	private final IBinder binder = new SimpleServiceBinder<DownloadService>(this);
 	private Looper mediaPlayerLooper;
@@ -238,7 +238,7 @@ public class DownloadService extends Service {
 
 		if (mRemoteControl == null) {
 			// Use the remote control APIs (if available) to set the playback state
-			mRemoteControl = RemoteControlClientHelper.createInstance();
+			mRemoteControl = RemoteControlClientBase.createInstance();
 			ComponentName mediaButtonReceiverComponent = new ComponentName(getPackageName(), MediaButtonIntentReceiver.class.getName());
 			mRemoteControl.register(this, mediaButtonReceiverComponent);
 		}
@@ -2232,6 +2232,10 @@ public class DownloadService extends Service {
 		}
 		clearCurrentBookmark(downloadFile.getSong(), true);
 	}
+
+	public RemoteControlClientBase getRemoteControlClient() {
+		return mRemoteControl;
+	}
 	
 	private boolean isPastCutoff() {
 		return isPastCutoff(getPlayerPosition(), getPlayerDuration());
diff --git a/app/src/main/java/github/daneren2005/dsub/util/compat/RemoteControlClientBase.java b/app/src/main/java/github/daneren2005/dsub/util/compat/RemoteControlClientBase.java
index 320092e9..357e2585 100644
--- a/app/src/main/java/github/daneren2005/dsub/util/compat/RemoteControlClientBase.java
+++ b/app/src/main/java/github/daneren2005/dsub/util/compat/RemoteControlClientBase.java
@@ -1,43 +1,32 @@
 package github.daneren2005.dsub.util.compat;
 
-import github.daneren2005.dsub.domain.MusicDirectory.Entry;
+import github.daneren2005.dsub.domain.MusicDirectory;
 import android.content.ComponentName;
 import android.content.Context;
 import android.support.v7.media.MediaRouter;
-import android.util.Log;
-
-public class RemoteControlClientBase extends RemoteControlClientHelper {
-
-    private static final String TAG = RemoteControlClientBase.class.getSimpleName();
-
-	@Override
-	public void register(Context context, ComponentName mediaButtonReceiverComponent) {
-
-	}
-
-	@Override
-	public void unregister(Context context) {
-
+import android.os.Build;
+
+public abstract class RemoteControlClientBase {
+	
+	public static RemoteControlClientBase createInstance() {
+		if(Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
+			return new RemoteControlClientLP();
+		} else if(Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR2) {
+			return new RemoteControlClientJB();
+		} else {
+			return new RemoteControlClientICS();
+		}
 	}
-
-	@Override
-	public void setPlaybackState(int state) {
-
+	
+	protected RemoteControlClientBase() {
+		// Avoid instantiation
 	}
-
-	@Override
-	public void updateMetadata(Context context, Entry currentSong) {
-
-	}
-
-	@Override
-	public void registerRoute(MediaRouter router) {
-
-	}
-
-	@Override
-	public void unregisterRoute(MediaRouter router) {
-
-	}
-
+	
+	public abstract void register(final Context context, final ComponentName mediaButtonReceiverComponent);
+	public abstract void unregister(final Context context);
+	public abstract void setPlaybackState(final int state);
+	public abstract void updateMetadata(final Context context, final MusicDirectory.Entry currentSong);
+	public abstract void registerRoute(MediaRouter router);
+	public abstract void unregisterRoute(MediaRouter router);
+	
 }
diff --git a/app/src/main/java/github/daneren2005/dsub/util/compat/RemoteControlClientHelper.java b/app/src/main/java/github/daneren2005/dsub/util/compat/RemoteControlClientHelper.java
deleted file mode 100644
index 93075a28..00000000
--- a/app/src/main/java/github/daneren2005/dsub/util/compat/RemoteControlClientHelper.java
+++ /dev/null
@@ -1,32 +0,0 @@
-package github.daneren2005.dsub.util.compat;
-
-import github.daneren2005.dsub.domain.MusicDirectory;
-import android.content.ComponentName;
-import android.content.Context;
-import android.support.v7.media.MediaRouter;
-import android.os.Build;
-
-public abstract class RemoteControlClientHelper {
-	
-	public static RemoteControlClientHelper createInstance() {
-		if (Build.VERSION.SDK_INT < Build.VERSION_CODES.ICE_CREAM_SANDWICH) {
-			return new RemoteControlClientBase();
-		} else if(Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR2) {
-			return new RemoteControlClientJB();
-		} else {
-			return new RemoteControlClientICS();
-		}
-	}
-	
-	protected RemoteControlClientHelper() {
-		// Avoid instantiation
-	}
-	
-	public abstract void register(final Context context, final ComponentName mediaButtonReceiverComponent);
-	public abstract void unregister(final Context context);
-	public abstract void setPlaybackState(final int state);
-	public abstract void updateMetadata(final Context context, final MusicDirectory.Entry currentSong);
-	public abstract void registerRoute(MediaRouter router);
-	public abstract void unregisterRoute(MediaRouter router);
-	
-}
diff --git a/app/src/main/java/github/daneren2005/dsub/util/compat/RemoteControlClientICS.java b/app/src/main/java/github/daneren2005/dsub/util/compat/RemoteControlClientICS.java
index 46b6b47d..9b4725bd 100644
--- a/app/src/main/java/github/daneren2005/dsub/util/compat/RemoteControlClientICS.java
+++ b/app/src/main/java/github/daneren2005/dsub/util/compat/RemoteControlClientICS.java
@@ -16,7 +16,7 @@ import android.support.v7.media.MediaRouter;
 import github.daneren2005.dsub.activity.SubsonicActivity;
 
 @TargetApi(14)
-public class RemoteControlClientICS extends RemoteControlClientHelper {
+public class RemoteControlClientICS extends RemoteControlClientBase {
 	private static String TAG = RemoteControlClientICS.class.getSimpleName();
 
 	protected RemoteControlClient mRemoteControl;
diff --git a/app/src/main/java/github/daneren2005/dsub/util/compat/RemoteControlClientLP.java b/app/src/main/java/github/daneren2005/dsub/util/compat/RemoteControlClientLP.java
new file mode 100644
index 00000000..2cf2dd20
--- /dev/null
+++ b/app/src/main/java/github/daneren2005/dsub/util/compat/RemoteControlClientLP.java
@@ -0,0 +1,205 @@
+/*
+	This file is part of Subsonic.
+
+	Subsonic is free software: you can redistribute it and/or modify
+	it under the terms of the GNU General Public License as published by
+	the Free Software Foundation, either version 3 of the License, or
+	(at your option) any later version.
+
+	Subsonic is distributed in the hope that it will be useful,
+	but WITHOUT ANY WARRANTY; without even the implied warranty of
+	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+	GNU General Public License for more details.
+
+	You should have received a copy of the GNU General Public License
+	along with Subsonic. If not, see <http://www.gnu.org/licenses/>.
+
+	Copyright 2015 (C) Scott Jackson
+*/
+package github.daneren2005.dsub.util.compat;
+
+import android.annotation.TargetApi;
+import android.app.PendingIntent;
+import android.content.ComponentName;
+import android.content.Context;
+import android.content.Intent;
+import android.media.AudioAttributes;
+import android.media.MediaMetadata;
+import android.media.Rating;
+import android.media.RemoteControlClient;
+import android.media.session.MediaSession;
+import android.media.session.PlaybackState;
+import android.os.Build;
+import android.support.v7.media.MediaRouter;
+
+import github.daneren2005.dsub.activity.SubsonicFragmentActivity;
+import github.daneren2005.dsub.domain.MusicDirectory;
+import github.daneren2005.dsub.service.DownloadService;
+import github.daneren2005.dsub.util.Constants;
+
+@TargetApi(Build.VERSION_CODES.LOLLIPOP)
+public class RemoteControlClientLP extends RemoteControlClientBase {
+	private MediaSession mediaSession;
+	private DownloadService downloadService;
+
+	private PlaybackState previousState;
+
+	@Override
+	public void register(Context context, ComponentName mediaButtonReceiverComponent) {
+		downloadService = (DownloadService) context;
+		mediaSession = new MediaSession(downloadService, "DSub MediaSession");
+
+		Intent mediaButtonIntent = new Intent(Intent.ACTION_MEDIA_BUTTON);
+		mediaButtonIntent.setComponent(mediaButtonReceiverComponent);
+		PendingIntent mediaPendingIntent = PendingIntent.getBroadcast(context.getApplicationContext(), 0, mediaButtonIntent, 0);
+		mediaSession.setMediaButtonReceiver(mediaPendingIntent);
+
+		Intent activityIntent = new Intent(context, SubsonicFragmentActivity.class);
+		activityIntent.putExtra(Constants.INTENT_EXTRA_NAME_DOWNLOAD, true);
+		activityIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_CLEAR_TOP);
+		PendingIntent activityPendingIntent = PendingIntent.getActivity(context, 0, activityIntent, 0);
+		mediaSession.setSessionActivity(activityPendingIntent);
+
+		mediaSession.setFlags(MediaSession.FLAG_HANDLES_TRANSPORT_CONTROLS | MediaSession.FLAG_HANDLES_MEDIA_BUTTONS);
+		mediaSession.setCallback(new EventCallback());
+
+		if(Build.VERSION.SDK_INT > Build.VERSION_CODES.LOLLIPOP_MR1) {
+			mediaSession.setRatingType(Rating.RATING_THUMB_UP_DOWN);
+		}
+
+		AudioAttributes.Builder audioAttributesBuilder = new AudioAttributes.Builder();
+		audioAttributesBuilder.setUsage(AudioAttributes.USAGE_MEDIA)
+			.setContentType(AudioAttributes.CONTENT_TYPE_MUSIC);
+		mediaSession.setPlaybackToLocal(audioAttributesBuilder.build());
+		mediaSession.setActive(true);
+	}
+
+	@Override
+	public void unregister(Context context) {
+		mediaSession.release();
+	}
+
+	@Override
+	public void setPlaybackState(int state) {
+		PlaybackState.Builder builder;
+		if(previousState == null) {
+			builder = new PlaybackState.Builder();
+		} else {
+			builder = new PlaybackState.Builder(previousState);
+		}
+
+		int newState = PlaybackState.STATE_NONE;
+		switch(state) {
+			case RemoteControlClient.PLAYSTATE_PLAYING:
+				newState = PlaybackState.STATE_PLAYING;
+				break;
+			case RemoteControlClient.PLAYSTATE_STOPPED:
+				newState = PlaybackState.STATE_STOPPED;
+				break;
+			case RemoteControlClient.PLAYSTATE_PAUSED:
+				newState = PlaybackState.STATE_PAUSED;
+				break;
+			case RemoteControlClient.PLAYSTATE_BUFFERING:
+				newState = PlaybackState.STATE_BUFFERING;
+				break;
+		}
+
+		long position = -1;
+		if(state == RemoteControlClient.PLAYSTATE_PLAYING || state == RemoteControlClient.PLAYSTATE_PAUSED) {
+			position = downloadService.getPlayerPosition();
+		}
+		builder.setState(newState, position, 1.0f);
+		builder.setActions(getPlaybackActions());
+
+		PlaybackState playbackState = builder.build();
+		mediaSession.setPlaybackState(playbackState);
+		previousState = playbackState;
+	}
+
+	@Override
+	public void updateMetadata(Context context, MusicDirectory.Entry currentSong) {
+		MediaMetadata.Builder builder = new MediaMetadata.Builder();
+		builder.putString(MediaMetadata.METADATA_KEY_ARTIST, (currentSong == null) ? null : currentSong.getArtist())
+				.putString(MediaMetadata.METADATA_KEY_ALBUM, (currentSong == null) ? null : currentSong.getAlbum())
+				.putString(MediaMetadata.METADATA_KEY_ALBUM_ARTIST, (currentSong == null) ? null : currentSong.getArtist())
+				.putString(MediaMetadata.METADATA_KEY_TITLE, (currentSong) == null ? null : currentSong.getTitle())
+				.putString(MediaMetadata.METADATA_KEY_GENRE, (currentSong) == null ? null : currentSong.getGenre())
+				.putLong(MediaMetadata.METADATA_KEY_TRACK_NUMBER, (currentSong == null) ?
+						0 : ((currentSong.getTrack() == null) ? 0 : currentSong.getTrack()))
+				.putLong(MediaMetadata.METADATA_KEY_DURATION, (currentSong == null) ?
+						0 : ((currentSong.getDuration() == null) ? 0 : (currentSong.getDuration() * 1000)));
+
+		int userRating = currentSong.getRating();
+		Rating rating;
+		if(userRating == 1) {
+			rating = Rating.newThumbRating(false);
+		} else if(userRating == 5) {
+			rating = Rating.newThumbRating(true);
+		} else {
+			rating = Rating.newUnratedRating(Rating.RATING_THUMB_UP_DOWN);
+		}
+		builder.putRating(MediaMetadata.METADATA_KEY_USER_RATING, rating);
+
+		mediaSession.setMetadata(builder.build());
+	}
+
+	@Override
+	public void registerRoute(MediaRouter router) {
+		router.setMediaSession(mediaSession);
+	}
+
+	@Override
+	public void unregisterRoute(MediaRouter router) {
+		router.setMediaSession(null);
+	}
+
+	public MediaSession getMediaSession() {
+		return mediaSession;
+	}
+
+	protected long getPlaybackActions() {
+		return PlaybackState.ACTION_PLAY |
+				PlaybackState.ACTION_PAUSE |
+				PlaybackState.ACTION_SEEK_TO |
+				PlaybackState.ACTION_SET_RATING;
+	}
+
+	private class EventCallback extends MediaSession.Callback {
+		@Override
+		public void onPlay() {
+			downloadService.start();
+		}
+
+		@Override
+		public void onStop() {
+			downloadService.pause();
+		}
+
+		@Override
+		public void onPause() {
+			downloadService.pause();
+		}
+
+		@Override
+		public void onSeekTo(long position) {
+			downloadService.seekTo((int) position);
+		}
+
+		@Override
+		public void onSetRating(Rating rating) {
+			if(rating.getRatingStyle() != Rating.RATING_THUMB_UP_DOWN) {
+				return;
+			}
+
+			if(rating.isRated()) {
+				if(rating.isThumbUp()) {
+
+				} else {
+
+				}
+			} else {
+
+			}
+		}
+	}
+}
diff --git a/app/src/main/res/xml/auto_app_description.xml b/app/src/main/res/xml/auto_app_description.xml
new file mode 100644
index 00000000..48316457
--- /dev/null
+++ b/app/src/main/res/xml/auto_app_description.xml
@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="utf-8"?>
+<automotiveApp>
+	<uses name="media"/>
+</automotiveApp>
\ No newline at end of file