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
  14 // A custom scroll-view that has a specified dimension.
  15 class FixedSizedScrollView : public views::ScrollView {
  16  public:
  17   FixedSizedScrollView();
  18   virtual ~FixedSizedScrollView();
  19
  20   void SetContentsView(views::View* view);
  21
  22   // Change the fixed size of the view. Invalidates the layout (by calling
  23   // PreferredSizeChanged()).
  24   void SetFixedSize(const gfx::Size& size);
  25
  26   void set_fixed_size(const gfx::Size& size) { fixed_size_ = size; }
  27
  28   // Overridden from views::View:
  29   virtual gfx::Size GetPreferredSize() const override;
  30   virtual void Layout() override;
  31
  32  protected:
  33   // Overridden from views::View:
  34   virtual void OnBoundsChanged(const gfx::Rect& previous_bounds) override;
  35
  36  private:
  37   gfx::Size fixed_size_;
  38
  39   DISALLOW_COPY_AND_ASSIGN(FixedSizedScrollView);
  40 };
  41
  42 }  // namespace ash
  43
  44 #endif  // ASH_SYSTEM_TRAY_FIXED_SIZED_SCROLL_VIEW_H_