add onBusy function to CachedLayout

this makes a more foolproof way to show the busy icon in the
actual activities using this adapter

2 files changed, 15 insertions, 2 deletions

diff --git a/src/org/linaro/connect/CachedJSONLayoutAdapter.java b/src/org/linaro/connect/CachedJSONLayoutAdapter.java
index 73c4ec6..bba57bd 100644
--- a/src/org/linaro/connect/CachedJSONLayoutAdapter.java
+++ b/src/org/linaro/connect/CachedJSONLayoutAdapter.java
@@ -48,7 +48,14 @@ public abstract class CachedJSONLayoutAdapter extends ArrayAdapter<JSONItem> {
 		mJSONUrl = url;
 	}
 
+	/**
+	 * Called with true when a backround action is occurring.
+	 */
+	protected void onBusy(boolean busy) {
+	}
+
 	void refresh(boolean force) {
+		onBusy(true);
 		JSONObject jso = getJSONObject();
 		updateLayout(jso);
 
@@ -56,6 +63,8 @@ public abstract class CachedJSONLayoutAdapter extends ArrayAdapter<JSONItem> {
 		if( force || now > mLastCheck + mInterval) {
 			new DownloadJSONTask().execute(mJSONUrl);
 			mLastCheck = now;
+		} else {
+			onBusy(false);
 		}
 	}
 
@@ -138,6 +147,7 @@ public abstract class CachedJSONLayoutAdapter extends ArrayAdapter<JSONItem> {
 				JSONObject jso = getJSONObject();
 				updateLayout(jso);
 			}
+			onBusy(false);
 		}
 	}
 }
diff --git a/src/org/linaro/connect/PostingsActivity.java b/src/org/linaro/connect/PostingsActivity.java
index 0de0df8..79ae3a3 100644
--- a/src/org/linaro/connect/PostingsActivity.java
+++ b/src/org/linaro/connect/PostingsActivity.java
@@ -42,7 +42,6 @@ public class PostingsActivity extends Activity {
 	protected void onResume() {
 		super.onResume();
 
-		setProgressBarIndeterminateVisibility(true);
 		mAdapter.refresh(false);
 	}
 
@@ -60,7 +59,6 @@ public class PostingsActivity extends Activity {
 		@Override
 		protected void updateLayout(JSONObject jso) {
 			clear();
-			setProgressBarIndeterminateVisibility(false);
 			if(jso == null)
 				return;
 
@@ -83,6 +81,11 @@ public class PostingsActivity extends Activity {
 			tv.setText(jso.getSummary());
 			return v;
 		}
+
+		@Override
+		protected void onBusy(boolean busy) {
+			setProgressBarIndeterminateVisibility(busy);
+		}
 	}
 
 	private final OnItemClickListener mClickListener = new OnItemClickListener() {