Force to run discover AsyncTask out of the GLThread

AsyncTask can't create a valid handler in ICS (works in JB+), so we
force it to run in a UI thread.

Signed-off-by: Jorge Ruesga <jorge@ruesga.com>

2 files changed, 16 insertions, 5 deletions

diff --git a/src/com/ruesga/android/wallpapers/photophase/PhotoPhaseRenderer.java b/src/com/ruesga/android/wallpapers/photophase/PhotoPhaseRenderer.java
index b68b3b6..b6e09dd 100644
--- a/src/com/ruesga/android/wallpapers/photophase/PhotoPhaseRenderer.java
+++ b/src/com/ruesga/android/wallpapers/photophase/PhotoPhaseRenderer.java
@@ -495,7 +495,7 @@ public class PhotoPhaseRenderer implements GLSurfaceView.Renderer {
             // Recycle the current texture manager and create a new one
             recycle();
             mTextureManager = new TextureManager(
-                    mContext, mEffectContext, mDispatcher, cc, dimensions);
+                    mContext, mHandler, mEffectContext, mDispatcher, cc, dimensions);
         }
     }
 
diff --git a/src/com/ruesga/android/wallpapers/photophase/TextureManager.java b/src/com/ruesga/android/wallpapers/photophase/TextureManager.java
index 033ca6c..a21051a 100644
--- a/src/com/ruesga/android/wallpapers/photophase/TextureManager.java
+++ b/src/com/ruesga/android/wallpapers/photophase/TextureManager.java
@@ -24,6 +24,7 @@ import android.media.ThumbnailUtils;
 import android.media.effect.Effect;
 import android.media.effect.EffectContext;
 import android.opengl.GLES20;
+import android.os.Handler;
 import android.util.Log;
 import android.widget.Toast;
 
@@ -50,12 +51,13 @@ public class TextureManager implements OnMediaPictureDiscoveredListener {
     private static final int QUEUE_SIZE = 3;
 
     final Context mContext;
+    final Handler mHandler;
     final Effects mEffects;
     final Object mSync;
     final List<TextureRequestor> mPendingRequests;
     final FixedQueue<GLESTextureInfo> mQueue = new FixedQueue<GLESTextureInfo>(QUEUE_SIZE);
     BackgroundPictureLoaderThread mBackgroundTask;
-    private final MediaPictureDiscoverer mPictureDiscoverer;
+    /*protected*/ final MediaPictureDiscoverer mPictureDiscoverer;
 
     /*package*/ Rect mScreenDimensions;
     /*package*/ Rect mDimensions;
@@ -138,10 +140,11 @@ public class TextureManager implements OnMediaPictureDiscoveredListener {
      * @param requestors The number of requestors
      * @param screenDimensions The screen dimensions
      */
-    public TextureManager(final Context ctx, final EffectContext effectCtx,
+    public TextureManager(final Context ctx, final Handler handler, final EffectContext effectCtx,
                         GLESSurfaceDispatcher dispatcher, int requestors, Rect screenDimensions) {
         super();
         mContext = ctx;
+        mHandler = handler;
         mEffects = new Effects(effectCtx);
         mDispatcher = dispatcher;
         mScreenDimensions = screenDimensions;
@@ -202,10 +205,18 @@ public class TextureManager implements OnMediaPictureDiscoveredListener {
      *
      * @param userRequest If the request was generated by the user
      */
-    void reloadMedia(boolean userRequest) {
+    void reloadMedia(final boolean userRequest) {
         Log.d(TAG, "Reload media picture data");
         // Discovery new media
-        mPictureDiscoverer.discover(userRequest);
+        // GLThread doesn't run in the UI thread and AsyncThread can't create a
+        // valid handler in ICS (it's fixed in JB+) so we force to run the async
+        // thread in a valid UI thread
+        mHandler.post(new Runnable() {
+            @Override
+            public void run() {
+                mPictureDiscoverer.discover(userRequest);
+            }
+        });
     }
 
     /**