touch: Return an enum from OnTouchEvent.

views/widget/root_view.h

 // Copyright (c) 2010 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef VIEWS_WIDGET_ROOT_VIEW_H_
 #define VIEWS_WIDGET_ROOT_VIEW_H_
 #pragma once
 
 #include <string>
 
@@ skipping 21 matching lines @@
 //
 //   The RootView is the root of a View hierarchy. A RootView is always the
 //   first and only child of a Widget.
 //
 //   The RootView manages the View hierarchy's interface with the Widget
 //   and also maintains the current invalid rect - the region that needs
 //   repainting.
 //
 /////////////////////////////////////////////////////////////////////////////
 class RootView : public View,
+#if defined(TOUCH_UI)
+                 public TouchEventObserver,
+#endif
                  public FocusTraversable {
  public:
   static const char kViewClassName[];
 
   explicit RootView(Widget* widget);
 
   virtual ~RootView();
 
   // Sets the "contents view" of the RootView. This is the single child view
   // that is responsible for laying out the contents of the widget.
@@ skipping 129 matching lines @@
 
   // Accessibility accessors/mutators, overridden from View.
   virtual AccessibilityTypes::Role GetAccessibleRole();
 
 #if defined(TOUCH_UI) && defined(UNIT_TEST)
   // For unit testing purposes, we use this method to set a mock
   // GestureManager
   void SetGestureManager(GestureManager* g) { gesture_manager_ = g; }
 #endif
 
+#if defined(TOUCH_UI)
+  // Overridden from TouchEventObserver.
+  virtual void OnTouchSequenceEnd();
+#endif
+
  protected:
 
   // Overridden to properly reset our event propagation member
   // variables when a child is removed
   virtual void ViewHierarchyChanged(bool is_add, View *parent, View *child);
 
 #ifndef NDEBUG
   virtual bool IsProcessingPaint() const { return is_processing_paint_; }
 #endif
 
@@ skipping 149 matching lines @@
 
 #ifndef NDEBUG
   // True if we're currently processing paint.
   bool is_processing_paint_;
 #endif
   DISALLOW_COPY_AND_ASSIGN(RootView);
 };
 }  // namespace views
 
 #endif  // VIEWS_WIDGET_ROOT_VIEW_H_