ash/system/tray/fixed_sized_scroll_view.h

   1 // Copyright 2013 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef ASH_SYSTEM_TRAY_FIXED_SIZED_SCROLL_VIEW_H_
   6 #define ASH_SYSTEM_TRAY_FIXED_SIZED_SCROLL_VIEW_H_
   7
   8 #include "base/basictypes.h"
   9 #include "base/compiler_specific.h"
  10 #include "ui/views/controls/scroll_view.h"
  11
  12 namespace ash {
  13 namespace internal {
  14
  15 // A custom scroll-view that has a specified dimension.
  16 class FixedSizedScrollView : public views::ScrollView {
  17  public:
  18   FixedSizedScrollView();
  19   virtual ~FixedSizedScrollView();
  20
  21   void SetContentsView(views::View* view);
  22
  23   // Change the fixed size of the view. Invalidates the layout (by calling
  24   // PreferredSizeChanged()).
  25   void SetFixedSize(const gfx::Size& size);
  26
  27   void set_fixed_size(const gfx::Size& size) { fixed_size_ = size; }
  28
  29   // Overridden from views::View:
  30   virtual gfx::Size GetPreferredSize() OVERRIDE;
  31   virtual void Layout() OVERRIDE;
  32   virtual void OnMouseEntered(const ui::MouseEvent& event) OVERRIDE;
  33
  34  protected:
  35   // Overridden from views::View:
  36   virtual void OnBoundsChanged(const gfx::Rect& previous_bounds) OVERRIDE;
  37   virtual void OnPaintFocusBorder(gfx::Canvas* canvas) OVERRIDE;
  38
  39  private:
  40   gfx::Size fixed_size_;
  41
  42   DISALLOW_COPY_AND_ASSIGN(FixedSizedScrollView);
  43 };
  44
  45 }  // namespace internal
  46 }  // namespace ash
  47
  48 #endif  // ASH_SYSTEM_TRAY_FIXED_SIZED_SCROLL_VIEW_H_