Add page tap listener.

Camera needs this for touch focus and video snapshot.

bug:6313318

Change-Id: Ie0b8129160c2a79d4b20fab2173027cddfee7a79

1 files changed, 14 insertions, 0 deletions

diff --git a/src/com/android/gallery3d/app/PhotoPage.java b/src/com/android/gallery3d/app/PhotoPage.java
index 8797f84e5..2bdf970d3 100644
--- a/src/com/android/gallery3d/app/PhotoPage.java
+++ b/src/com/android/gallery3d/app/PhotoPage.java
@@ -103,6 +103,7 @@ public class PhotoPage extends ActivityState
     private boolean mShowBars = true;
     private GalleryActionBar mActionBar;
     private MyMenuVisibilityListener mMenuVisibilityListener;
+    private PageTapListener mPageTapListener;
     private boolean mIsMenuVisible;
     private boolean mIsInteracting;
     private MediaItem mCurrentPhoto = null;
@@ -131,6 +132,15 @@ public class PhotoPage extends ActivityState
         }
     }
 
+    public interface PageTapListener {
+        // Return true if the tap is consumed.
+        public boolean onSingleTapUp(int x, int y);
+    }
+
+    public void setPageTapListener(PageTapListener listener) {
+        mPageTapListener = listener;
+    }
+
     private final GLView mRootPane = new GLView() {
 
         @Override
@@ -515,6 +525,10 @@ public class PhotoPage extends ActivityState
     }
 
     public void onSingleTapUp(int x, int y) {
+        if (mPageTapListener != null) {
+            if (mPageTapListener.onSingleTapUp(x, y)) return;
+        }
+
         MediaItem item = mModel.getCurrentMediaItem();
         if (item == null) {
             // item is not ready, ignore