Update playback position in feed details list

app/src/main/java/de/danoeh/antennapod/adapter/FeedItemlistAdapter.java

@@ -13,15 +13,18 @@ import android.widget.BaseAdapter;
 import android.widget.ImageButton;
 import android.widget.ImageView;
 import android.widget.LinearLayout;
+import android.widget.ListView;
 import android.widget.ProgressBar;
 import android.widget.TextView;
 
 import de.danoeh.antennapod.R;
 import de.danoeh.antennapod.adapter.actionbutton.ItemActionButton;
+import de.danoeh.antennapod.core.event.PlaybackPositionEvent;
 import de.danoeh.antennapod.core.feed.FeedItem;
 import de.danoeh.antennapod.core.feed.FeedMedia;
 import de.danoeh.antennapod.core.feed.MediaType;
 import de.danoeh.antennapod.core.storage.DownloadRequester;
+import de.danoeh.antennapod.core.util.Converter;
 import de.danoeh.antennapod.core.util.DateUtils;
 import de.danoeh.antennapod.core.util.LongList;
 import de.danoeh.antennapod.core.util.ThemeUtils;
@@ -39,6 +42,8 @@ public class FeedItemlistAdapter extends BaseAdapter {
     private final int playingBackGroundColor;
     private final int normalBackGroundColor;
 
+    private int currentlyPlayingItem = -1;
+
     public FeedItemlistAdapter(Context context,
                                ItemAccess itemAccess,
                                boolean showFeedtitle,
@@ -176,8 +181,9 @@ public class FeedItemlistAdapter extends BaseAdapter {
                 }
                 typeDrawables.recycle();
 
-                if(media.isCurrentlyPlaying()) {
+                if (media.isCurrentlyPlaying()) {
                     holder.container.setBackgroundColor(playingBackGroundColor);
+                    currentlyPlayingItem = position;
                 } else {
                     holder.container.setBackgroundColor(normalBackGroundColor);
                 }
@@ -195,6 +201,19 @@ public class FeedItemlistAdapter extends BaseAdapter {
         return convertView;
     }
 
+    public void notifyCurrentlyPlayingItemChanged(PlaybackPositionEvent event, ListView listView) {
+        if (currentlyPlayingItem != -1 && currentlyPlayingItem < getCount()) {
+            View view = listView.getChildAt(currentlyPlayingItem
+                    - listView.getFirstVisiblePosition() + listView.getHeaderViewsCount());
+            if (view == null) {
+                return;
+            }
+            Holder holder = (Holder) view.getTag();
+            holder.episodeProgress.setProgress((int) (100.0 * event.getPosition() / event.getDuration()));
+            holder.lenSize.setText(Converter.getDurationStringLong(event.getDuration() - event.getPosition()));
+        }
+    }
+
     static class Holder {
         LinearLayout container;
         TextView title;

app/src/main/java/de/danoeh/antennapod/fragment/FeedItemlistFragment.java

@@ -29,6 +29,7 @@ import com.bumptech.glide.request.RequestOptions;
 import com.joanzapata.iconify.Iconify;
 import com.joanzapata.iconify.widget.IconTextView;
 
+import de.danoeh.antennapod.core.event.PlaybackPositionEvent;
 import org.apache.commons.lang3.Validate;
 import org.greenrobot.eventbus.EventBus;
 import org.greenrobot.eventbus.Subscribe;
@@ -398,6 +399,13 @@ public class FeedItemlistFragment extends ListFragment {
         }
     }
 
+    @Subscribe(threadMode = ThreadMode.MAIN)
+    public void onEventMainThread(PlaybackPositionEvent event) {
+        if (adapter != null) {
+            adapter.notifyCurrentlyPlayingItemChanged(event, getListView());
+        }
+    }
+
     private final EventDistributor.EventListener contentUpdate = new EventDistributor.EventListener() {
 
         @Override