FeedManager tasks can now return a result on completion

src/de/danoeh/antennapod/feed/FeedManager.java

@@ -1366,13 +1366,16 @@ public class FeedManager {
 
 	/** Is called by a FeedManagerTask after completion. */
 	public interface TaskCallback {
-		void onCompletion();
+		void onCompletion(Cursor result);
 	}
 
 	/** A runnable that can post a callback to a handler after completion. */
 	abstract class Task implements Runnable {
 		private Handler handler;
 		private TaskCallback callback;
+		
+		/** Can be used for returning database query results. */
+		private Cursor result;
 
 		/**
 		 * Standard contructor. No callbacks are going to be posted to a
@@ -1399,7 +1402,7 @@ public class FeedManager {
 				handler.post(new Runnable() {
 					@Override
 					public void run() {
-						callback.onCompletion();
+						callback.onCompletion(result);
 					}
 				});
 			}
@@ -1407,6 +1410,10 @@ public class FeedManager {
 
 		/** This method will be executed in the same thread as the run() method. */
 		public abstract void execute();
+		
+		protected void setResult(Cursor c) {
+			result = c;
+		}
 
 	}
 

src/de/danoeh/antennapod/fragment/ItemDescriptionFragment.java

@@ -4,6 +4,7 @@ import org.apache.commons.lang3.StringEscapeUtils;
 
 import android.annotation.SuppressLint;
 import android.app.Activity;
+import android.database.Cursor;
 import android.os.AsyncTask;
 import android.os.Bundle;
 import android.util.Log;
@@ -113,7 +114,7 @@ public class ItemDescriptionFragment extends SherlockFragment {
 				FeedManager.getInstance().loadExtraInformationOfItem(
 						getActivity(), item, new FeedManager.TaskCallback() {
 							@Override
-							public void onCompletion() {
+							public void onCompletion(Cursor result) {
 								startLoader();
 							}
 						});