Added list which shows unread items

src/de/podfetcher/activity/PodfetcherActivity.java

@@ -10,18 +10,21 @@ import com.actionbarsherlock.app.ActionBar.Tab;
 import com.actionbarsherlock.app.SherlockFragmentActivity;
 
 import de.podfetcher.R;
+import de.podfetcher.fragment.FeedItemlistFragment;
 import de.podfetcher.fragment.FeedlistFragment;
+import de.podfetcher.fragment.UnreadItemlistFragment;
 
 public class PodfetcherActivity extends SherlockFragmentActivity {
 	private static final String TAG = "PodfetcherActivity";
 
 	private FeedlistFragment feedlist;
+	FeedItemlistFragment unreadList;
+	
 
 	@Override
 	public void onCreate(Bundle savedInstanceState) {
 		super.onCreate(savedInstanceState);
 		setContentView(R.layout.main);
-
 		// Set up tabs
 		ActionBar actionBar = getSupportActionBar();
 		actionBar.setNavigationMode(ActionBar.NAVIGATION_MODE_TABS);
@@ -36,13 +39,14 @@ public class PodfetcherActivity extends SherlockFragmentActivity {
 								FeedlistFragment.class));
 
 		actionBar.addTab(tab);
+		
 		tab = actionBar
 				.newTab()
 				.setText(getText(R.string.new_label).toString())
 				.setTabListener(
-						new TabListener<FeedlistFragment>(this, getText(
+						new TabListener<UnreadItemlistFragment>(this, getText(
 								R.string.new_label).toString(),
-								FeedlistFragment.class));
+								UnreadItemlistFragment.class));
 		actionBar.addTab(tab);
 	}
 
@@ -54,7 +58,6 @@ public class PodfetcherActivity extends SherlockFragmentActivity {
 		private final String tag;
 		private final Class<T> fClass;
 		private Fragment fragment;
-		private boolean attachedOnce = false;
 
 		public TabListener(Activity activity, String tag, Class<T> fClass) {
 			this.activity = activity;
@@ -76,10 +79,6 @@ public class PodfetcherActivity extends SherlockFragmentActivity {
 			if (fragment == null) {
 				fragment = Fragment.instantiate(activity, fClass.getName());
 				ft.replace(R.id.main_fragment, fragment);
-				attachedOnce = true;
-			} else if (!attachedOnce) {
-				ft.replace(R.id.main_fragment, fragment);
-				attachedOnce = true;
 			} else {
 				ft.attach(fragment);
 			}

src/de/podfetcher/feed/FeedItem.java

@@ -8,14 +8,14 @@ import java.util.Date;
  * @author daniel
  *
  */
-public class FeedItem extends FeedComponent{
+public class FeedItem extends FeedComponent implements Comparable<FeedItem>{
 	private String title;
 	private String description;
 	private String link;
 	private Date pubDate;
 	private FeedMedia media;
 	private Feed feed;
-	private boolean read;
+	protected boolean read;
 
 	public FeedItem() {
 			this.read = true;
@@ -85,8 +85,10 @@ public class FeedItem extends FeedComponent{
 		return read;
 	}
 
-	public void setRead(boolean read) {
-		this.read = read;
+	@Override
+	public int compareTo(FeedItem another) {
+		long diff = pubDate.getTime() - another.getPubDate().getTime();
+		return (int) Math.signum(diff);
 	}
 	
 	

src/de/podfetcher/feed/FeedItemPubdateComparator.java

@@ -0,0 +1,14 @@
+package de.podfetcher.feed;
+
+import java.util.Comparator;
+
+/** Compares the pubDate of two FeedItems */
+public class FeedItemPubdateComparator implements Comparator<FeedItem> {
+
+	@Override
+	public int compare(FeedItem lhs, FeedItem rhs) {
+		long diff = lhs.getPubDate().getTime() - rhs.getPubDate().getTime();
+		return (int) Math.signum(diff);
+	}
+
+}

src/de/podfetcher/feed/FeedManager.java

@@ -24,11 +24,15 @@ public class FeedManager {
 
 	private ArrayList<Feed> feeds;
 	private ArrayList<FeedCategory> categories;
+
+	/** Contains all items where 'read' is false */
+	private ArrayList<FeedItem> unreadItems;
 	private DownloadRequester requester;
 
 	private FeedManager() {
 		feeds = new ArrayList<Feed>();
 		categories = new ArrayList<FeedCategory>();
+		unreadItems = new ArrayList<FeedItem>();
 		requester = DownloadRequester.getInstance();
 
 	}
@@ -40,18 +44,20 @@ public class FeedManager {
 		return singleton;
 	}
 
-	/** Play FeedMedia and start the playback service + launch Mediaplayer Activity. */
+	/**
+	 * Play FeedMedia and start the playback service + launch Mediaplayer
+	 * Activity.
+	 */
 	public void playMedia(Context context, FeedMedia media) {
 		// Start playback Service
-		Intent launchIntent = new Intent(context,
-				PlaybackService.class);
+		Intent launchIntent = new Intent(context, PlaybackService.class);
 		launchIntent.putExtra(PlaybackService.EXTRA_MEDIA_ID, media.getId());
-		launchIntent.putExtra(PlaybackService.EXTRA_FEED_ID, media.getItem().getFeed().getId());
+		launchIntent.putExtra(PlaybackService.EXTRA_FEED_ID, media.getItem()
+				.getFeed().getId());
 		context.startService(launchIntent);
 
 		// Launch Mediaplayer
-		Intent playerIntent = new Intent(context,
-				MediaplayerActivity.class);
+		Intent playerIntent = new Intent(context, MediaplayerActivity.class);
 		context.startActivity(playerIntent);
 	}
 
@@ -71,6 +77,20 @@ public class FeedManager {
 		return result;
 	}
 
+	/**
+	 * Sets the 'read'-attribute of a FeedItem. Should be used by all Classes
+	 * instead of the setters of FeedItem.
+	 */
+	public void markItemRead(Context context, FeedItem item, boolean read) {
+		item.read = read;
+		setFeedItem(context, item);
+		if (read == true) {
+			unreadItems.remove(item);
+		} else {
+			unreadItems.add(item);
+		}
+	}
+
 	public void refreshAllFeeds(Context context) {
 		Log.d(TAG, "Refreshing all feeds.");
 		for (Feed feed : feeds) {
@@ -86,8 +106,8 @@ public class FeedManager {
 			setFeedItem(context, item);
 		}
 	}
+/* TODO Decide if still useful
 	
-	/** Adds a new Feeditem if its not in the list */
 	public void addFeedItem(Context context, FeedItem item) {
 		PodDBAdapter adapter = new PodDBAdapter(context);
 		// Search list for feeditem
@@ -104,7 +124,7 @@ public class FeedManager {
 			item.id = adapter.setFeedItem(item);
 		}
 	}
-
+*/
 	public void updateFeed(Context context, Feed newFeed) {
 		// Look up feed in the feedslist
 		Feed savedFeed = searchFeedByLink(newFeed.getLink());
@@ -113,7 +133,7 @@ public class FeedManager {
 					"Found no existing Feed with title " + newFeed.getTitle()
 							+ ". Adding as new one.");
 			// Add a new Feed
-			newFeed.getItems().get(0).setRead(false);
+			markItemRead(context, newFeed.getItems().get(0), false);
 			addNewFeed(context, newFeed);
 		} else {
 			Log.d(TAG, "Feed with title " + newFeed.getTitle()
@@ -125,6 +145,7 @@ public class FeedManager {
 				if (oldItem == null) {
 					// item is new
 					savedFeed.getItems().add(item);
+					markItemRead(context, item, false);
 				}
 			}
 			savedFeed.setLastUpdate(newFeed.getLastUpdate());
@@ -293,10 +314,12 @@ public class FeedManager {
 				item.setMedia(adapter.getFeedMedia(itemlistCursor
 						.getLong(itemlistCursor
 								.getColumnIndex(PodDBAdapter.KEY_MEDIA)), item));
-				item.setRead((itemlistCursor.getInt(itemlistCursor
+				item.read = (itemlistCursor.getInt(itemlistCursor
 						.getColumnIndex(PodDBAdapter.KEY_READ)) > 0) ? true
-						: false);
-
+						: false;
+				if (!item.read) {
+					unreadItems.add(item);
+				}
 				items.add(item);
 			} while (itemlistCursor.moveToNext());
 		}
@@ -308,4 +331,10 @@ public class FeedManager {
 		return feeds;
 	}
 
+	public ArrayList<FeedItem> getUnreadItems() {
+		return unreadItems;
+	}
+	
+	
+
 }

src/de/podfetcher/fragment/FeedItemlistFragment.java

@@ -26,15 +26,15 @@ public class FeedItemlistFragment extends SherlockListFragment {
 	private static final String TAG = "FeedItemlistFragment";
 	public static final String EXTRA_SELECTED_FEEDITEM = "extra.de.podfetcher.activity.selected_feeditem";
 
-	private FeedItemlistAdapter fila;
-	private FeedManager manager;
-	private DownloadRequester requester;
+	protected FeedItemlistAdapter fila;
+	protected FeedManager manager;
+	protected DownloadRequester requester;
 
 	/** The feed which the activity displays */
-	private ArrayList<FeedItem> items;
+	protected ArrayList<FeedItem> items;
 
-	private FeedItem selectedItem;
-	private ActionMode mActionMode;
+	protected FeedItem selectedItem;
+	protected ActionMode mActionMode;
 
 	public FeedItemlistFragment(ArrayList<FeedItem> items) {
 		super();
@@ -150,10 +150,10 @@ public class FeedItemlistFragment extends SherlockListFragment {
 						.getMedia().getDownloadId());
 				break;
 			case R.id.mark_read_item:
-				selectedItem.setRead(true);
+				manager.markItemRead(getSherlockActivity(), selectedItem, true);
 				break;
 			case R.id.mark_unread_item:
-				selectedItem.setRead(false);
+				manager.markItemRead(getSherlockActivity(), selectedItem, false);
 				break;
 
 			}

src/de/podfetcher/fragment/UnreadItemlistFragment.java

@@ -0,0 +1,13 @@
+package de.podfetcher.fragment;
+
+import de.podfetcher.feed.FeedManager;
+
+/** Contains all unread items. */
+public class UnreadItemlistFragment extends FeedItemlistFragment {
+
+	public UnreadItemlistFragment() {
+		super(FeedManager.getInstance().getUnreadItems());
+		
+	}
+
+}