Added intermediate progressbar to main Activity

res/layout/feedlist_item.xml

@@ -56,13 +56,4 @@
         android:textStyle="bold"
         android:visibility="gone" />
 
-    <ImageView
-        android:id="@+id/imgvRefreshing"
-        android:src="@drawable/navigation_refresh"
-       android:layout_width="55dip"
-        android:layout_height="55dip"
-        android:layout_alignParentRight="true"
-        android:layout_centerVertical="true"
-        android:visibility="gone" />
-
 </RelativeLayout>

src/de/podfetcher/activity/PodfetcherActivity.java

@@ -1,13 +1,18 @@
 package de.podfetcher.activity;
 
 import android.app.Activity;
+import android.content.BroadcastReceiver;
+import android.content.Context;
 import android.content.Intent;
+import android.content.IntentFilter;
 import android.os.Bundle;
 import android.support.v4.app.Fragment;
 import android.support.v4.app.FragmentTransaction;
+import android.util.Log;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
+import com.actionbarsherlock.view.Window;
 
 import com.actionbarsherlock.app.ActionBar;
 import com.actionbarsherlock.app.ActionBar.Tab;
@@ -22,6 +27,8 @@ import de.podfetcher.fragment.ItemlistFragment;
 import de.podfetcher.fragment.FeedlistFragment;
 import de.podfetcher.fragment.QueueFragment;
 import de.podfetcher.fragment.UnreadItemlistFragment;
+import de.podfetcher.service.DownloadService;
+import de.podfetcher.storage.DownloadRequester;
 
 public class PodfetcherActivity extends SherlockFragmentActivity {
 	private static final String TAG = "PodfetcherActivity";
@@ -36,6 +43,7 @@ public class PodfetcherActivity extends SherlockFragmentActivity {
 	public void onCreate(Bundle savedInstanceState) {
 		super.onCreate(savedInstanceState);
 		manager = FeedManager.getInstance();
+		requestWindowFeature(Window.FEATURE_INDETERMINATE_PROGRESS);
 		setContentView(R.layout.main);
 		// Set up tabs
 		ActionBar actionBar = getSupportActionBar();
@@ -71,6 +79,38 @@ public class PodfetcherActivity extends SherlockFragmentActivity {
 		actionBar.addTab(tab);
 	}
 	
+	@Override
+	protected void onPause() {
+		super.onPause();
+		unregisterReceiver(contentUpdate);
+	}
+
+	@Override
+	protected void onResume() {
+		super.onResume();
+		updateProgressBarVisibility();
+		IntentFilter filter = new IntentFilter();
+		filter.addAction(DownloadService.ACTION_DOWNLOAD_HANDLED);
+		filter.addAction(DownloadRequester.ACTION_DOWNLOAD_QUEUED);
+		registerReceiver(contentUpdate, filter);
+	}
+	
+	private BroadcastReceiver contentUpdate = new BroadcastReceiver() {
+		@Override
+		public void onReceive(Context context, Intent intent) {
+			Log.d(TAG, "Received contentUpdate Intent.");
+			updateProgressBarVisibility();
+		}
+	};
+	
+	private void updateProgressBarVisibility() {
+		if (DownloadService.isRunning && DownloadRequester.getInstance().isDownloadingFeeds()) {
+			setSupportProgressBarIndeterminateVisibility(true);
+		} else {
+			setSupportProgressBarIndeterminateVisibility(false);
+		}
+	}
+	
 	@Override
 	public boolean onOptionsItemSelected(MenuItem item) {
 	    switch(item.getItemId()) {

src/de/podfetcher/adapter/FeedlistAdapter.java

@@ -44,29 +44,25 @@ public class FeedlistAdapter extends ArrayAdapter<Feed> {
 			holder.title = (TextView) convertView
 					.findViewById(R.id.txtvFeedname);
 
-			holder.newEpisodes = (TextView) convertView.findViewById(R.id.txtvNewEps);
+			holder.newEpisodes = (TextView) convertView
+					.findViewById(R.id.txtvNewEps);
 			holder.image = (ImageView) convertView
 					.findViewById(R.id.imgvFeedimage);
 			holder.lastUpdate = (TextView) convertView
 					.findViewById(R.id.txtvLastUpdate);
-			holder.numberOfEpisodes = (TextView) convertView.findViewById(R.id.txtvNumEpisodes);
+			holder.numberOfEpisodes = (TextView) convertView
+					.findViewById(R.id.txtvNumEpisodes);
 			convertView.setTag(holder);
-			holder.refreshing = (ImageView) convertView.findViewById(R.id.imgvRefreshing);
 		} else {
 			holder = (Holder) convertView.getTag();
 		}
 
 		holder.title.setText(feed.getTitle());
-		holder.lastUpdate.setText("Last Update: " + DateUtils.formatSameDayTime(feed
-				.getLastUpdate().getTime(), System.currentTimeMillis(),
-				DateFormat.SHORT, DateFormat.SHORT));
+		holder.lastUpdate.setText("Last Update: "
+				+ DateUtils.formatSameDayTime(feed.getLastUpdate().getTime(),
+						System.currentTimeMillis(), DateFormat.SHORT,
+						DateFormat.SHORT));
 		holder.numberOfEpisodes.setText(feed.getItems().size() + " Episodes");
-		
-		if (DownloadRequester.getInstance().downloads.contains(feed)) {
-			Log.d(TAG, "Feed is downloading");
-			holder.newEpisodes.setVisibility(View.GONE);
-			holder.refreshing.setVisibility(View.VISIBLE);
-		} else {
 		int newItems = feed.getNumOfNewItems();
 		if (newItems > 0) {
 			holder.newEpisodes.setText(Integer.toString(newItems));
@@ -74,7 +70,6 @@ public class FeedlistAdapter extends ArrayAdapter<Feed> {
 		} else {
 			holder.newEpisodes.setVisibility(View.INVISIBLE);
 		}
-		}
 
 		if (feed.getImage() != null) {
 			holder.image.setImageBitmap(feed.getImage().getImageBitmap()); // TODO
@@ -96,7 +91,6 @@ public class FeedlistAdapter extends ArrayAdapter<Feed> {
 		TextView numberOfEpisodes;
 		TextView newEpisodes;
 		ImageView image;
-		ImageView refreshing;
 	}
 
 }

src/de/podfetcher/service/DownloadService.java

@@ -64,6 +64,8 @@ public class DownloadService extends Service {
 	private DownloadManager downloadManager;
 
 	private volatile boolean shutdownInitiated = false;
+	/** True if service is running. */
+	public static boolean isRunning = false;
 
 	private final IBinder mBinder = new LocalBinder();
 
@@ -82,6 +84,7 @@ public class DownloadService extends Service {
 	@Override
 	public void onCreate() {
 		Log.d(TAG, "Service started");
+		isRunning = true;
 		registerReceiver(downloadReceiver, createIntentFilter());
 		syncExecutor = Executors.newSingleThreadExecutor();
 		manager = FeedManager.getInstance();
@@ -99,6 +102,7 @@ public class DownloadService extends Service {
 	@Override
 	public void onDestroy() {
 		Log.d(TAG, "Service shutting down");
+		isRunning = false;
 		sendBroadcast(new Intent(ACTION_FEED_SYNC_COMPLETED));
 		mediaplayer.release();
 		unregisterReceiver(downloadReceiver);

src/de/podfetcher/storage/DownloadRequester.java

@@ -134,6 +134,16 @@ public class DownloadRequester {
 		return null;
 	}
 	
+	/** Returns true if there is at least one Feed in the downloads queue. */
+	public boolean isDownloadingFeeds() {
+		for (FeedFile f : downloads) {
+			if (f.getClass() == Feed.class) {
+				return true;
+			}
+		}
+		return false;
+	}
+
 	/** Remove an object from the downloads-list of the requester. */
 	public void removeDownload(FeedFile f) {
 		downloads.remove(f);