Gallery2: Set PhotoPage GL root reset when rotate

When there is another activity on top of PhotoPage, the GLRootView
will not update to match screen, so the back ground seems corruption.

Set GLRoot View resume when onConfigurationChanged happen.

CRs-Fixed: 778294

Change-Id: Ib1fd6953462e26f11c3a8957a042db2ad4ecc275

2 files changed, 18 insertions, 0 deletions

diff --git a/src/com/android/gallery3d/app/AbstractGalleryActivity.java b/src/com/android/gallery3d/app/AbstractGalleryActivity.java
index 9af1fb8ba..ae30cb0aa 100644
--- a/src/com/android/gallery3d/app/AbstractGalleryActivity.java
+++ b/src/com/android/gallery3d/app/AbstractGalleryActivity.java
@@ -133,6 +133,15 @@ public class AbstractGalleryActivity extends Activity implements GalleryContext
         return mGLRootView;
     }
 
+    public void GLRootResume(boolean isResume) {
+        if (isResume) {
+            mGLRootView.onResume();
+            mGLRootView.lockRenderThread();
+        } else {
+            mGLRootView.unlockRenderThread();
+        }
+    }
+
     public OrientationManager getOrientationManager() {
         return mOrientationManager;
     }
diff --git a/src/com/android/gallery3d/app/PhotoPage.java b/src/com/android/gallery3d/app/PhotoPage.java
index 2deab3234..b5a4d5640 100755
--- a/src/com/android/gallery3d/app/PhotoPage.java
+++ b/src/com/android/gallery3d/app/PhotoPage.java
@@ -1631,6 +1631,15 @@ public abstract class PhotoPage extends ActivityState implements
     }
 
     @Override
+    public void onConfigurationChanged(Configuration config) {
+        super.onConfigurationChanged(config);
+        if(mIsActive) return;
+        mActivity.GLRootResume(true);
+        mModel.resume();
+        mActivity.GLRootResume(false);
+    }
+
+    @Override
     protected void onResume() {
         super.onResume();