some improvements for background player

app/src/main/java/org/schabi/newpipe/ActionBarHandler.java

@@ -3,6 +3,7 @@ package org.schabi.newpipe;
 import android.content.DialogInterface;
 import android.content.Intent;
 import android.content.SharedPreferences;
+import android.graphics.Bitmap;
 import android.net.Uri;
 import android.os.Bundle;
 import android.preference.PreferenceManager;
@@ -40,7 +41,10 @@ class ActionBarHandler {
     private static final String TAG = ActionBarHandler.class.toString();
     private static final String KORE_PACKET = "org.xbmc.kore";
 
+    private int serviceId;
     private String websiteUrl = "";
+    private Bitmap videoThumbnail = null;
+    private String channelName = "";
     private AppCompatActivity activity;
     private VideoInfo.VideoStream[] videoStreams = null;
     private VideoInfo.AudioStream audioStream = null;
@@ -73,6 +77,18 @@ class ActionBarHandler {
         }
     }
 
+    public void setServiceId(int id) {
+        serviceId = id;
+    }
+
+    public void setSetVideoThumbnail(Bitmap bitmap) {
+        videoThumbnail = bitmap;
+    }
+
+    public void setChannelName(String name) {
+        channelName = name;
+    }
+
     @SuppressWarnings("deprecation")
     public void setStreams(VideoInfo.VideoStream[] videoStreams, VideoInfo.AudioStream[] audioStreams) {
         this.videoStreams = videoStreams;
@@ -143,17 +159,17 @@ class ActionBarHandler {
     }
 
     public boolean onItemSelected(MenuItem item) {
+        if(!videoTitle.isEmpty()) {
             int id = item.getItemId();
             switch (id) {
-            case R.id.menu_item_share:
-                if(!videoTitle.isEmpty()) {
+                case R.id.menu_item_share: {
                     Intent intent = new Intent();
                     intent.setAction(Intent.ACTION_SEND);
                     intent.putExtra(Intent.EXTRA_TEXT, websiteUrl);
                     intent.setType("text/plain");
                     activity.startActivity(Intent.createChooser(intent, activity.getString(R.string.shareDialogTitle)));
-                }
                     return true;
+                }
                 case R.id.menu_item_openInBrowser: {
                     openInBrowser();
                 }
@@ -175,6 +191,10 @@ class ActionBarHandler {
                 default:
                     Log.e(TAG, "Menu Item not known");
             }
+        } else {
+            // That line may not be necessary.
+            return true;
+        }
         return false;
     }
 
@@ -302,8 +322,11 @@ class ActionBarHandler {
                 .getBoolean(activity.getString(R.string.useExternalAudioPlayer), false);
         Intent intent;
 
-        if (!externalAudioPlayer && android.os.Build.VERSION.SDK_INT >= 18)//internal music player: explicit intent
-        {
+        if (!externalAudioPlayer && android.os.Build.VERSION.SDK_INT >= 18) {
+            //internal music player: explicit intent
+            if (!BackgroundPlayer.isRunning  && videoThumbnail != null) {
+                ActivityCommunicator.getCommunicator()
+                        .backgroundPlayerThumbnail = videoThumbnail;
                 intent = new Intent(activity, BackgroundPlayer.class);
 
                 intent.setAction(Intent.ACTION_VIEW);
@@ -311,9 +334,12 @@ class ActionBarHandler {
                 Log.i(TAG, "audioStream.url is null:" + (audioStream.url == null));
                 intent.setDataAndType(Uri.parse(audioStream.url),
                         MediaFormat.getMimeById(audioStream.format));
-            intent.putExtra(Intent.EXTRA_TITLE, videoTitle);
-            intent.putExtra("title", videoTitle);
+                intent.putExtra(BackgroundPlayer.TITLE, videoTitle);
+                intent.putExtra(BackgroundPlayer.WEB_URL, websiteUrl);
+                intent.putExtra(BackgroundPlayer.SERVICE_ID, serviceId);
+                intent.putExtra(BackgroundPlayer.CHANNEL_NAME, channelName);
                 activity.startService(intent);
+            }
         } else {
             intent = new Intent();
             try {

app/src/main/java/org/schabi/newpipe/ActivityCommunicator.java

@@ -0,0 +1,42 @@
+package org.schabi.newpipe;
+
+/**
+ * Created by Christian Schabesberger on 24.12.15.
+ *
+ * Copyright (C) Christian Schabesberger 2015 <chris.schabesberger@mailbox.org>
+ * ActivityCommunicator.java is part of NewPipe.
+ *
+ * NewPipe 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.
+ *
+ * NewPipe 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 NewPipe.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+import android.graphics.Bitmap;
+
+/**
+ * Singleton:
+ * Used to send data between certain Activity/Services within the same process.
+ * This can be considered as hack inside the Android universe. **/
+public class ActivityCommunicator {
+
+    private static ActivityCommunicator activityCommunicator = null;
+
+    public static ActivityCommunicator getCommunicator() {
+        if(activityCommunicator == null) {
+            activityCommunicator = new ActivityCommunicator();
+        }
+        return activityCommunicator;
+    }
+
+    // Thumbnail send from VideoItemDetailFragment to BackgroundPlayer
+    public volatile Bitmap backgroundPlayerThumbnail;
+}

app/src/main/java/org/schabi/newpipe/BackgroundPlayer.java

@@ -8,6 +8,8 @@ import android.content.BroadcastReceiver;
 import android.content.Context;
 import android.content.Intent;
 import android.content.IntentFilter;
+import android.content.res.Resources;
+import android.graphics.Bitmap;
 import android.media.AudioManager;
 import android.media.MediaPlayer;
 import android.net.wifi.WifiManager;
@@ -46,6 +48,20 @@ public class BackgroundPlayer extends Service /*implements MediaPlayer.OnPrepare
     private static final String ACTION_STOP = TAG + ".STOP";
     private static final String ACTION_PLAYPAUSE = TAG + ".PLAYPAUSE";
 
+    // Extra intent arguments
+    public static final String TITLE = "title";
+    public static final String WEB_URL = "web_url";
+    public static final String SERVICE_ID = "service_id";
+    public static final String CHANNEL_NAME="channel_name";
+
+    private volatile String webUrl = "";
+    private volatile int serviceId = -1;
+    private volatile String channelName = "";
+
+    // Determines if the service is already running.
+    // Prevents launching the service twice.
+    public static volatile boolean isRunning = false;
+
     public BackgroundPlayer() {
         super();
     }
@@ -58,16 +74,22 @@ public class BackgroundPlayer extends Service /*implements MediaPlayer.OnPrepare
     }
     @Override
     public int onStartCommand(Intent intent, int flags, int startId) {
-        Toast.makeText(this, "Playing in background", Toast.LENGTH_SHORT).show();//todo:translation string
+        Toast.makeText(this, R.string.backgroundPlayerStartPlayingToast,
+                Toast.LENGTH_SHORT).show();
 
         String source = intent.getDataString();
         //Log.i(TAG, "backgroundPLayer source:"+source);
-        String videoTitle = intent.getStringExtra("title");
+        String videoTitle = intent.getStringExtra(TITLE);
+        webUrl = intent.getStringExtra(WEB_URL);
+        serviceId = intent.getIntExtra(SERVICE_ID, -1);
+        channelName = intent.getStringExtra(CHANNEL_NAME);
 
         //do nearly everything in a separate thread
         PlayerThread player = new PlayerThread(source, videoTitle, this);
         player.start();
 
+        isRunning = true;
+
         // If we get killed after returning here, don't restart
         return START_NOT_STICKY;
     }
@@ -81,6 +103,7 @@ public class BackgroundPlayer extends Service /*implements MediaPlayer.OnPrepare
     @Override
     public void onDestroy() {
         //Toast.makeText(this, "service done", Toast.LENGTH_SHORT).show();
+        isRunning = false;
     }
 
     private class PlayerThread extends Thread {
@@ -92,6 +115,7 @@ public class BackgroundPlayer extends Service /*implements MediaPlayer.OnPrepare
         private NotificationManager noteMgr;
         private NotificationCompat.Builder noteBuilder;
         private WifiManager.WifiLock wifiLock;
+        private Bitmap videoThumbnail = null;
 
         public PlayerThread(String src, String title, BackgroundPlayer owner) {
             this.source = src;
@@ -102,11 +126,14 @@ public class BackgroundPlayer extends Service /*implements MediaPlayer.OnPrepare
         }
         @Override
         public void run() {
+            Resources res = getApplicationContext().getResources();
+
             mediaPlayer.setWakeMode(getApplicationContext(), PowerManager.PARTIAL_WAKE_LOCK);//cpu lock
             try {
                 mediaPlayer.setDataSource(source);
-                mediaPlayer.prepare(); //We are already in a separate worker thread,
+                //We are already in a separate worker thread,
                 //so calling the blocking prepare() method should be ok
+                mediaPlayer.prepare();
 
                 //alternatively:
                 //mediaPlayer.setOnPreparedListener(this);
@@ -119,10 +146,18 @@ public class BackgroundPlayer extends Service /*implements MediaPlayer.OnPrepare
                 return;
             }
 
+            try {
+                videoThumbnail = ActivityCommunicator.getCommunicator().backgroundPlayerThumbnail;
+            } catch (Exception e) {
+                Log.e(TAG, "Could not get video thumbnail from ActivityCommunicator");
+                e.printStackTrace();
+            }
+
             WifiManager wifiMgr = ((WifiManager)getSystemService(Context.WIFI_SERVICE));
             wifiLock = wifiMgr.createWifiLock(WifiManager.WIFI_MODE_FULL, TAG);
 
-            mediaPlayer.setOnCompletionListener(new EndListener(wifiLock));//listen for end of video
+            //listen for end of video
+            mediaPlayer.setOnCompletionListener(new EndListener(wifiLock));
 
             //get audio focus
             /*
@@ -142,43 +177,65 @@ public class BackgroundPlayer extends Service /*implements MediaPlayer.OnPrepare
             filter.addAction(ACTION_STOP);
             registerReceiver(broadcastReceiver, filter);
 
-            PendingIntent playPI = PendingIntent.getBroadcast(owner, noteID, new Intent(ACTION_PLAYPAUSE), PendingIntent.FLAG_UPDATE_CURRENT);
+            PendingIntent playPI = PendingIntent.getBroadcast(owner, noteID,
+                    new Intent(ACTION_PLAYPAUSE), PendingIntent.FLAG_UPDATE_CURRENT);
 
             NotificationCompat.Action playButton = new NotificationCompat.Action.Builder
                     (R.drawable.ic_play_arrow_white_48dp, "Play", playPI).build();
 
+            /*
             NotificationCompat.Action pauseButton = new NotificationCompat.Action.Builder
-                    (R.drawable.ic_play_arrow_white_48dp, "Pause", playPI).build();
+                    (R.drawable.ic_pause_white_24dp, "Pause", playPI).build();
+            */
 
             PendingIntent stopPI = PendingIntent.getBroadcast(owner, noteID,
                     new Intent(ACTION_STOP), PendingIntent.FLAG_UPDATE_CURRENT);
 
-            //todo: make it so that tapping the notification brings you back to the Video's DetailActivity
-            //using setContentIntent
             noteBuilder = new NotificationCompat.Builder(owner);
             noteBuilder
-                    .setPriority(Notification.PRIORITY_LOW)
-                    .setCategory(Notification.CATEGORY_TRANSPORT)
                     .setContentTitle(title)
-                    .setContentText("NewPipe is playing in the background")//todo: translation string
+                    //really? Id like to put something more helpful here.
+                    //.setContentText("NewPipe is playing in the background")
+                    .setContentText(channelName)
                     //.setAutoCancel(!mediaPlayer.isPlaying())
                     .setOngoing(true)
                     .setDeleteIntent(stopPI)
-                    //.setProgress(vidLength, 0, false) //doesn't fit with Notification.MediaStyle
-                    .setSmallIcon(R.mipmap.ic_launcher)
-                    .setTicker(title + " - NewPipe")
+                    //doesn't fit with Notification.MediaStyle
+                    //.setProgress(vidLength, 0, false)
+                    .setSmallIcon(R.drawable.ic_play_circle_filled_white_24dp)
+                    .setLargeIcon(videoThumbnail)
+                    .setTicker(
+                            String.format(res.getString(
+                                    R.string.backgroundPlayerTickerText), title))
                     .addAction(playButton);
-/*                  .setVisibility(NotificationCompat.VISIBILITY_PUBLIC)
-                    .setLargeIcon(cover)*/
+                    //.setVisibility(NotificationCompat.VISIBILITY_PUBLIC)
+                    //.setLargeIcon(cover)
+            if(android.os.Build.VERSION.SDK_INT >= 16)
+                noteBuilder.setPriority(Notification.PRIORITY_LOW);
+            if(android.os.Build.VERSION.SDK_INT >= 21)
+                noteBuilder.setCategory(Notification.CATEGORY_TRANSPORT);
 
                 noteBuilder.setStyle(new NotificationCompat.MediaStyle()
                                 //.setMediaSession(mMediaSession.getSessionToken())
                                 .setShowActionsInCompactView(new int[]{0})
                                 .setShowCancelButton(true)
-                            .setCancelButtonIntent(stopPI)
-            );
+                                .setCancelButtonIntent(stopPI));
+            if(videoThumbnail != null) {
+                noteBuilder.setLargeIcon(videoThumbnail);
+            }
 
-            startForeground(noteID, noteBuilder.build());
+            Notification note = noteBuilder.build();
+
+            Intent openDetailView = new Intent(getApplicationContext(),
+                    VideoItemDetailActivity.class);
+            openDetailView.putExtra(VideoItemDetailFragment.STREAMING_SERVICE, serviceId);
+            openDetailView.putExtra(VideoItemDetailFragment.VIDEO_URL, webUrl);
+            openDetailView.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
+            note.contentIntent = PendingIntent.getActivity(getApplicationContext(),
+                    noteID, openDetailView,
+                    PendingIntent.FLAG_UPDATE_CURRENT);
+
+            startForeground(noteID, note);
 
             //currently decommissioned progressbar looping update code - works, but doesn't fit inside
             //Notification.MediaStyle Notification layout.
@@ -202,7 +259,7 @@ public class BackgroundPlayer extends Service /*implements MediaPlayer.OnPrepare
             @Override
             public void onReceive(Context context, Intent intent) {
                 String action = intent.getAction();
-                Log.i(TAG, "received broadcast action:"+action);
+                //Log.i(TAG, "received broadcast action:"+action);
                 if(action.equals(ACTION_PLAYPAUSE)) {
                     if(mediaPlayer.isPlaying()) {
                         mediaPlayer.pause();
@@ -214,7 +271,8 @@ public class BackgroundPlayer extends Service /*implements MediaPlayer.OnPrepare
                     }
                 }
                 else if(action.equals(ACTION_STOP)) {
-                    mediaPlayer.stop();//this auto-releases CPU lock
+                    //this auto-releases CPU lock
+                    mediaPlayer.stop();
                     afterPlayCleanup();
                 }
             }

app/src/main/java/org/schabi/newpipe/VideoItemDetailFragment.java

@@ -73,7 +73,7 @@ public class VideoItemDetailFragment extends Fragment {
      * The fragment argument representing the item ID that this fragment
      * represents.
      */
-    public static final String ARG_ITEM_ID = "item_id";
+    //public static final String ARG_ITEM_ID = "item_id";
     public static final String VIDEO_URL = "video_url";
     public static final String STREAMING_SERVICE = "streaming_service";
     public static final String AUTO_PLAY = "auto_play";
@@ -81,6 +81,8 @@ public class VideoItemDetailFragment extends Fragment {
     private AppCompatActivity activity;
     private ActionBarHandler actionBarHandler;
 
+    private int streamingServiceId = -1;
+
     private boolean autoPlayEnabled = false;
     private VideoInfo currentVideoInfo = null;
     private boolean showNextVideoItem = false;
@@ -105,6 +107,7 @@ public class VideoItemDetailFragment extends Fragment {
             this.service = service;
             this.videoUrl = videoUrl;
         }
+
         @Override
         public void run() {
             try {
@@ -176,6 +179,7 @@ public class VideoItemDetailFragment extends Fragment {
             switch (id) {
                 case SetThumbnailRunnable.VIDEO_THUMBNAIL:
                     thumbnailView = (ImageView) a.findViewById(R.id.detailThumbnailView);
+                    actionBarHandler.setSetVideoThumbnail(thumbnail);
                     break;
                 case SetThumbnailRunnable.CHANNEL_THUMBNAIL:
                     thumbnailView = (ImageView) a.findViewById(R.id.detailUploaderThumbnailView);
@@ -238,6 +242,7 @@ public class VideoItemDetailFragment extends Fragment {
                 case VideoInfo.VIDEO_AVAILABLE: {
                     videoTitleView.setText(info.title);
                     uploaderView.setText(info.uploader);
+                    actionBarHandler.setChannelName(info.uploader);
 
                     Locale locale = getPreferredLocale();
                     NumberFormat nf = NumberFormat.getInstance(locale);
@@ -266,6 +271,7 @@ public class VideoItemDetailFragment extends Fragment {
                     descriptionView.setText(Html.fromHtml(info.description));
                     descriptionView.setMovementMethod(LinkMovementMethod.getInstance());
 
+                    actionBarHandler.setServiceId(streamingServiceId);
                     actionBarHandler.setVideoInfo(info.webpage_url, info.title);
                     actionBarHandler.setStartPosition(info.startPosition);
 
@@ -288,12 +294,12 @@ public class VideoItemDetailFragment extends Fragment {
                     public void onClick(View v) {
                         Intent detailIntent =
                                 new Intent(getActivity(), VideoItemDetailActivity.class);
-                        detailIntent.putExtra(
-                                VideoItemDetailFragment.ARG_ITEM_ID, currentVideoInfo.nextVideo.id);
+                        /*detailIntent.putExtra(
+                                VideoItemDetailFragment.ARG_ITEM_ID, currentVideoInfo.nextVideo.id); */
                         detailIntent.putExtra(
                                 VideoItemDetailFragment.VIDEO_URL, currentVideoInfo.nextVideo.webpage_url);
                         //todo: make id dynamic the following line is crap
-                        detailIntent.putExtra(VideoItemDetailFragment.STREAMING_SERVICE, 0);
+                        detailIntent.putExtra(VideoItemDetailFragment.STREAMING_SERVICE, streamingServiceId);
                         startActivity(detailIntent);
                     }
                 });
@@ -369,8 +375,8 @@ public class VideoItemDetailFragment extends Fragment {
         // Otherwise the applications would crash.
         if(playVideoButton != null) {
             try {
-                StreamingService streamingService = ServiceList.getService(
-                        getArguments().getInt(STREAMING_SERVICE));
+                streamingServiceId = getArguments().getInt(STREAMING_SERVICE);
+                StreamingService streamingService = ServiceList.getService(streamingServiceId);
                 Thread videoExtractorThread = new Thread(new VideoExtractorRunnable(
                         getArguments().getString(VIDEO_URL), streamingService));
 

app/src/main/java/org/schabi/newpipe/VideoItemListActivity.java

@@ -190,7 +190,7 @@ public class VideoItemListActivity extends AppCompatActivity
             // adding or replacing the detail fragment using a
             // fragment transaction.
             Bundle arguments = new Bundle();
-            arguments.putString(VideoItemDetailFragment.ARG_ITEM_ID, id);
+            //arguments.putString(VideoItemDetailFragment.ARG_ITEM_ID, id);
             arguments.putString(VideoItemDetailFragment.VIDEO_URL, webpage_url);
             arguments.putInt(VideoItemDetailFragment.STREAMING_SERVICE, currentStreamingServiceId);
             videoFragment = new VideoItemDetailFragment();
@@ -209,7 +209,7 @@ public class VideoItemListActivity extends AppCompatActivity
             // In single-pane mode, simply start the detail activity
             // for the selected item ID.
             Intent detailIntent = new Intent(this, VideoItemDetailActivity.class);
-            detailIntent.putExtra(VideoItemDetailFragment.ARG_ITEM_ID, id);
+            //detailIntent.putExtra(VideoItemDetailFragment.ARG_ITEM_ID, id);
             detailIntent.putExtra(VideoItemDetailFragment.VIDEO_URL, webpage_url);
             detailIntent.putExtra(VideoItemDetailFragment.STREAMING_SERVICE, currentStreamingServiceId);
             startActivity(detailIntent);

app/src/main/res/values/strings.xml

@@ -50,6 +50,8 @@
     <string name="settingsCategoryVideoAudioTitle">VIDEO &amp; AUDIO</string>
     <string name="settingsCategoryVideoInfoTittle">INFO</string>
     <string name="settingsCategoryEtcTitle">ETC</string>
+    <string name="backgroundPlayerTickerText" translatable="false">%1$s - NewPipe</string>
+    <string name="backgroundPlayerStartPlayingToast">Playing in background</string>
 
     <!-- Content descriptions (for better accessibility) -->
     <string name="itemThumbnailViewDescription">Video preview thumbnail</string>