Add transition animation for tapping from PhotoPage.

bug:6383694
Change-Id: Ib457d6b636dafd3f8ef7340bfa85725f14d90bd0

1 files changed, 7 insertions, 3 deletions

diff --git a/src/com/android/gallery3d/app/PhotoDataAdapter.java b/src/com/android/gallery3d/app/PhotoDataAdapter.java
index d88b72ca8..a0c4cdf6a 100644
--- a/src/com/android/gallery3d/app/PhotoDataAdapter.java
+++ b/src/com/android/gallery3d/app/PhotoDataAdapter.java
@@ -469,8 +469,12 @@ public class PhotoDataAdapter implements PhotoPage.Model {
         return mCurrentIndex;
     }
 
-    public MediaItem getCurrentMediaItem() {
-        return mData[mCurrentIndex % DATA_CACHE_SIZE];
+    public MediaItem getMediaItem(int offset) {
+        int index = mCurrentIndex + offset;
+        if (index >= mContentStart && index < mContentEnd) {
+            return mData[index % DATA_CACHE_SIZE];
+        }
+        return null;
     }
 
     public void setCurrentPhoto(Path path, int indexHint) {
@@ -482,7 +486,7 @@ public class PhotoDataAdapter implements PhotoPage.Model {
         fireDataChange();
 
         // We need to reload content if the path doesn't match.
-        MediaItem item = getCurrentMediaItem();
+        MediaItem item = getMediaItem(0);
         if (item != null && item.getPath() != path) {
             if (mReloadTask != null) mReloadTask.notifyDirty();
         }