Scrolling Tabs

chrome/browser/ui/touch/tabs/touch_tab.h

 // Copyright (c) 2011 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 CHROME_BROWSER_UI_TOUCH_TABS_TOUCH_TAB_H_
 #define CHROME_BROWSER_UI_TOUCH_TABS_TOUCH_TAB_H_
 #pragma once
 
 #include <string>
 
 #include "base/memory/scoped_ptr.h"
 #include "chrome/browser/ui/views/tabs/base_tab.h"
 #include "ui/gfx/point.h"
 
 ///////////////////////////////////////////////////////////////////////////////
 //
 // TouchTab
 //
 //  A View that renders a TouchTab in a TouchTabStrip
 //
+// TODO(wyck): Use transformable views for scrolling.
 ///////////////////////////////////////////////////////////////////////////////
 class TouchTab : public BaseTab {
  public:
   // The menu button's class name.
   static const char kViewClassName[];
 
   explicit TouchTab(TabController* controller);
   virtual ~TouchTab();
 
   // Set the background offset used to match the image in the inactive tab
   // to the frame image.
   void set_background_offset(const gfx::Point& offset) {
     background_offset_ = offset;
   }
 
   // Returns the minimum possible size of a single unselected Tab.
   static gfx::Size GetMinimumUnselectedSize();
 
  protected:
   virtual const gfx::Rect& GetTitleBounds() const;
   virtual const gfx::Rect& GetIconBounds() const;
 
  private:
   // Overridden from views::View:
+  virtual bool OnMousePressed(const views::MouseEvent& event) OVERRIDE;
+  virtual bool OnMouseDragged(const views::MouseEvent& event) OVERRIDE;
+  virtual void OnMouseReleased(const views::MouseEvent& event,
+                               bool canceled) OVERRIDE;
   virtual void OnPaint(gfx::Canvas* canvas);
   virtual void Layout();
   virtual bool HasHitTestMask() const;
   virtual void GetHitTestMask(gfx::Path* path) const;
 
   // Paint various portions of the Tab
   void PaintTabBackground(gfx::Canvas* canvas);
   void PaintIcon(gfx::Canvas* canvas);
   void PaintActiveTabBackground(gfx::Canvas* canvas);
 
@@ skipping 27 matching lines @@
     int y_offset;
   };
   static TouchTabImage tab_active;
   static TouchTabImage tab_inactive;
   static TouchTabImage tab_alpha;
 
   DISALLOW_COPY_AND_ASSIGN(TouchTab);
 };
 
 #endif  // CHROME_BROWSER_UI_TOUCH_TABS_TOUCH_TAB_H_