Reimplement the CM scrubber against the new Launcher

PS4: Implement RTL support

Change-Id: I4456d54b5924913d1b36e1cfa9a2269150f6fb3e

2 files changed, 22 insertions, 2 deletions

diff --git a/src/com/android/launcher3/widget/WidgetsContainerView.java b/src/com/android/launcher3/widget/WidgetsContainerView.java
index 0c6ea31bb..268e26ebb 100644
--- a/src/com/android/launcher3/widget/WidgetsContainerView.java
+++ b/src/com/android/launcher3/widget/WidgetsContainerView.java
@@ -29,6 +29,7 @@ import android.view.View;
 import android.widget.Toast;
 
 import com.android.launcher3.BaseContainerView;
+import com.android.launcher3.BaseRecyclerView;
 import com.android.launcher3.CellLayout;
 import com.android.launcher3.DeleteDropTarget;
 import com.android.launcher3.DeviceProfile;
@@ -366,4 +367,9 @@ public class WidgetsContainerView extends BaseContainerView
         }
         return mWidgetPreviewLoader;
     }
+
+    @Override
+    protected BaseRecyclerView getRecyclerView() {
+        return mView;
+    }
 }
\ No newline at end of file
diff --git a/src/com/android/launcher3/widget/WidgetsRecyclerView.java b/src/com/android/launcher3/widget/WidgetsRecyclerView.java
index 884bdc418..ac32f154e 100644
--- a/src/com/android/launcher3/widget/WidgetsRecyclerView.java
+++ b/src/com/android/launcher3/widget/WidgetsRecyclerView.java
@@ -126,20 +126,34 @@ public class WidgetsRecyclerView extends BaseRecyclerView {
         // Skip early if there are no widgets.
         int rowCount = mWidgets.getPackageSize();
         if (rowCount == 0) {
-            mScrollbar.setThumbOffset(-1, -1);
+            if (mUseScrollbar) {
+                mScrollbar.setThumbOffset(-1, -1);
+            }
             return;
         }
 
         // Skip early if, there no child laid out in the container.
         getCurScrollState(mScrollPosState);
         if (mScrollPosState.rowIndex < 0) {
-            mScrollbar.setThumbOffset(-1, -1);
+            if (mUseScrollbar) {
+                mScrollbar.setThumbOffset(-1, -1);
+            }
             return;
         }
 
         synchronizeScrollBarThumbOffsetToViewScroll(mScrollPosState, rowCount);
     }
 
+    @Override
+    public String scrollToSection(String sectionName) {
+        return null;
+    }
+
+    @Override
+    public String[] getSectionNames() {
+        return new String[0];
+    }
+
     /**
      * Returns the current scroll state.
      */