Trebuchet: Make sure overview arrows point up when collapsed

Change-Id: If72134daeb7424b3474eb59bf4773c9a2c0d4819

2 files changed, 21 insertions, 0 deletions

diff --git a/src/com/android/launcher3/Launcher.java b/src/com/android/launcher3/Launcher.java
index 0e297f4a8..a6e129b9a 100644
--- a/src/com/android/launcher3/Launcher.java
+++ b/src/com/android/launcher3/Launcher.java
@@ -5179,6 +5179,14 @@ public class Launcher extends Activity
             AnimationDrawable frameAnimation = (AnimationDrawable) mAnimatedArrow.getBackground();
             frameAnimation.start();
         }
+
+        @Override
+        public void onPanelShown(View panel) {
+            mAnimatedArrow.setBackgroundResource(R.drawable.transition_arrow_reverse);
+
+            AnimationDrawable frameAnimation = (AnimationDrawable) mAnimatedArrow.getBackground();
+            frameAnimation.start();
+        }
     }
 }
 
diff --git a/src/com/android/launcher3/VerticalSlidingPanel.java b/src/com/android/launcher3/VerticalSlidingPanel.java
index 0ebbebc72..88a52392c 100644
--- a/src/com/android/launcher3/VerticalSlidingPanel.java
+++ b/src/com/android/launcher3/VerticalSlidingPanel.java
@@ -223,6 +223,8 @@ public class VerticalSlidingPanel extends ViewGroup {
         public void onPanelExpanded(View panel);
 
         public void onPanelAnchored(View panel);
+
+        public void onPanelShown(View panel);
     }
 
     /**
@@ -242,6 +244,9 @@ public class VerticalSlidingPanel extends ViewGroup {
         @Override
         public void onPanelAnchored(View panel) {
         }
+        @Override
+        public void onPanelShown(View panel) {
+        }
     }
 
     public VerticalSlidingPanel(Context context) {
@@ -332,6 +337,14 @@ public class VerticalSlidingPanel extends ViewGroup {
         }
     }
 
+    @Override
+    protected void onVisibilityChanged(View changedView, int visibility) {
+        super.onVisibilityChanged(changedView, visibility);
+        if (mPanelSlideListener != null && visibility == VISIBLE) {
+            mPanelSlideListener.onPanelShown(changedView);
+        }
+    }
+
     /**
      * Set the color used to fade the pane covered by the sliding pane out when the pane
      * will become fully covered in the expanded state.