Feeds can now be deleted

res/menu/feedlist.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<menu xmlns:android="http://schemas.android.com/apk/res/android" >
+    <item android:id="@+id/remove_item" android:title="@string/remove_label" android:icon="@drawable/content_discard" android:visible="true"></item>
+    
+
+</menu>

src/de/podfetcher/feed/FeedManager.java

@@ -85,6 +85,32 @@ public class FeedManager {
 		return result;
 	}
 	
+	/** Remove a feed with all its items and media files and its image. */
+	public boolean deleteFeed(Context context, Feed feed) {
+		PodDBAdapter adapter = new PodDBAdapter(context);
+		
+		// delete image file
+		if (feed.getImage() != null) {
+			if (feed.getImage().isDownloaded() && feed.getImage().getFile_url() == null) {
+				File imageFile = new File(feed.getImage().getFile_url());
+				imageFile.delete();
+			}
+		}
+		// delete stored media files and mark them as read
+		for (FeedItem item : feed.getItems()) {
+			if (!item.isRead()) {
+				unreadItems.remove(item);
+			}
+			if (item.getMedia() != null && item.getMedia().isDownloaded()) {
+				File mediaFile = new File(item.getMedia().getFile_url());
+				mediaFile.delete();
+			}
+		}
+		adapter.removeFeed(feed);
+		return feeds.remove(feed);
+		
+	}
+
 	/**
 	 * Sets the 'read'-attribute of a FeedItem. Should be used by all Classes
 	 * instead of the setters of FeedItem.

src/de/podfetcher/fragment/FeedlistFragment.java

@@ -15,15 +15,17 @@ import android.content.Intent;
 import android.content.IntentFilter;
 import android.content.BroadcastReceiver;
 import android.content.Context;
+import android.widget.AdapterView;
+import android.widget.AdapterView.OnItemLongClickListener;
 import android.widget.ListView;
 import com.actionbarsherlock.app.SherlockListFragment;
 import com.actionbarsherlock.app.SherlockFragmentActivity;
+import com.actionbarsherlock.view.ActionMode;
 import com.actionbarsherlock.view.Menu;
 import com.actionbarsherlock.view.MenuInflater;
 import com.actionbarsherlock.view.MenuItem;
 import android.util.Log;
 
-
 public class FeedlistFragment extends SherlockListFragment {
 	private static final String TAG = "FeedlistFragment";
 	public static final String EXTRA_SELECTED_FEED = "extra.de.podfetcher.activity.selected_feed";
@@ -32,6 +34,8 @@ public class FeedlistFragment extends SherlockListFragment {
 	private FeedlistAdapter fla;
 	private SherlockFragmentActivity pActivity;
 
+	private Feed selectedFeed;
+	private ActionMode mActionMode;
 
 	@Override
 	public void onAttach(Activity activity) {
@@ -44,6 +48,7 @@ public class FeedlistFragment extends SherlockListFragment {
 		super.onDetach();
 		pActivity = null;
 	}
+
 	@Override
 	public void onCreate(Bundle savedInstanceState) {
 		super.onCreate(savedInstanceState);
@@ -52,12 +57,43 @@ public class FeedlistFragment extends SherlockListFragment {
 		fla = new FeedlistAdapter(pActivity, 0, manager.getFeeds());
 		setListAdapter(fla);
 		
+
 	}
+
+	
+	
 	@Override
 	public View onCreateView(LayoutInflater inflater, ViewGroup container,
 			Bundle savedInstanceState) {
 		super.onCreateView(inflater, container, savedInstanceState);
 		return inflater.inflate(R.layout.feedlist, container, false);
+		
+	}
+	
+	@Override
+	public void onViewCreated(View view, Bundle savedInstanceState) {
+		super.onViewCreated(view, savedInstanceState);
+		getListView().setOnItemLongClickListener(new OnItemLongClickListener() {
+
+			@Override
+			public boolean onItemLongClick(AdapterView<?> parent, View view,
+					int position, long id) {
+				Feed selection = fla.getItem(position);
+				Log.d(TAG, "Selected Feed with title " + selection.getTitle());
+				if (selection != null) {
+					if (mActionMode != null) {
+						mActionMode.finish();
+					}
+					selectedFeed = selection;
+					mActionMode = getSherlockActivity().startActionMode(
+							mActionModeCallback);
+
+					
+				}
+				return true;
+			}
+
+		});
 	}
 
 	@Override
@@ -67,7 +103,7 @@ public class FeedlistFragment extends SherlockListFragment {
 		filter.addAction(DownloadService.ACTION_FEED_SYNC_COMPLETED);
 
 		pActivity.registerReceiver(contentUpdate, filter);
-        fla.notifyDataSetChanged();
+		fla.notifyDataSetChanged();
 	}
 
 	@Override
@@ -79,7 +115,7 @@ public class FeedlistFragment extends SherlockListFragment {
 	private BroadcastReceiver contentUpdate = new BroadcastReceiver() {
 		@Override
 		public void onReceive(Context context, Intent intent) {
-            Log.d(TAG, "Received contentUpdate Intent.");
+			Log.d(TAG, "Received contentUpdate Intent.");
 			fla.notifyDataSetChanged();
 		}
 	};
@@ -92,4 +128,39 @@ public class FeedlistFragment extends SherlockListFragment {
 
 		pActivity.startActivity(showFeed);
 	}
+
+	private ActionMode.Callback mActionModeCallback = new ActionMode.Callback() {
+
+		@Override
+		public boolean onCreateActionMode(ActionMode mode, Menu menu) {
+			MenuInflater inflater = mode.getMenuInflater();
+			inflater.inflate(R.menu.feedlist, menu);
+			mode.setTitle(selectedFeed.getTitle());
+			return true;
+		}
+
+		@Override
+		public boolean onPrepareActionMode(ActionMode mode, Menu menu) {
+			return false;
+		}
+
+		@Override
+		public boolean onActionItemClicked(ActionMode mode, MenuItem item) {
+			switch (item.getItemId()) {
+			case R.id.remove_item:
+				manager.deleteFeed(getSherlockActivity(), selectedFeed);
+				fla.notifyDataSetChanged();
+				break;
+			}
+			mode.finish();
+			return true;
+		}
+
+		@Override
+		public void onDestroyActionMode(ActionMode mode) {
+			mActionMode = null;
+			selectedFeed = null;
+
+		}
+	};
 }

src/de/podfetcher/storage/PodDBAdapter.java

@@ -294,6 +294,41 @@ public class PodDBAdapter {
 		return status.getId();
 	}
 	
+	public void removeFeedMedia(FeedMedia media) {
+		open();
+		db.delete(TABLE_NAME_FEED_MEDIA, KEY_ID + "=?", new String[] {String.valueOf(media.getId())});
+		close();
+	}
+	
+	public void removeFeedImage(FeedImage image) {
+		open();
+		db.delete(TABLE_NAME_FEED_IMAGES, KEY_ID + "=?", new String[] {String.valueOf(image.getId())});
+		close();
+	}
+	
+	/** Remove a FeedItem and its FeedMedia entry. */
+	public void removeFeedItem(FeedItem item) {
+		if (item.getMedia() != null) {
+			removeFeedMedia(item.getMedia());
+		}	
+		open();
+		db.delete(TABLE_NAME_FEED_ITEMS, KEY_ID + "=?", new String[] {String.valueOf(item.getId())});
+		close();
+	}
+	
+	/** Remove a feed with all its FeedItems and Media entries. */
+	public void removeFeed(Feed feed) {
+		if (feed.getImage() != null) {
+			removeFeedImage(feed.getImage());
+		}
+		for (FeedItem item : feed.getItems()) {
+			removeFeedItem(item);
+		}	
+		open();
+		db.delete(TABLE_NAME_FEEDS, KEY_ID + "=?", new String[] {String.valueOf(feed.getId())});
+		close();
+	}
+
 	public void removeDownloadStatus(DownloadStatus remove) {
 		open();
 		db.delete(TABLE_NAME_DOWNLOAD_LOG, KEY_ID + "=?",