cc/layers/scrollbar_theme_painter.h

   1 // Copyright 2012 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 CC_LAYERS_SCROLLBAR_THEME_PAINTER_H_
   6 #define CC_LAYERS_SCROLLBAR_THEME_PAINTER_H_
   7
   8 #include "cc/base/cc_export.h"
   9
  10 class SkCanvas;
  11
  12 namespace gfx {
  13 class Rect;
  14 }
  15
  16 namespace cc {
  17
  18 class CC_EXPORT ScrollbarThemePainter {
  19  public:
  20   virtual ~ScrollbarThemePainter() {}
  21
  22   virtual void PaintScrollbarBackground(SkCanvas* canvas,
  23                                         const gfx::Rect& rect) = 0;
  24   virtual void PaintTrackBackground(SkCanvas* canvas,
  25                                     const gfx::Rect& rect) = 0;
  26   virtual void PaintBackTrackPart(SkCanvas* canvas,
  27                                   const gfx::Rect& rect) = 0;
  28   virtual void PaintForwardTrackPart(SkCanvas* canvas,
  29                                      const gfx::Rect& rect) = 0;
  30   virtual void PaintBackButtonStart(SkCanvas* canvas,
  31                                     const gfx::Rect& rect) = 0;
  32   virtual void PaintBackButtonEnd(SkCanvas* canvas,
  33                                   const gfx::Rect& rect) = 0;
  34   virtual void PaintForwardButtonStart(SkCanvas* canvas,
  35                                        const gfx::Rect& rect) = 0;
  36   virtual void PaintForwardButtonEnd(SkCanvas* canvas,
  37                                      const gfx::Rect& rect) = 0;
  38   virtual void PaintTickmarks(SkCanvas* canvas, const gfx::Rect& rect) = 0;
  39   virtual void PaintThumb(SkCanvas* canvas, const gfx::Rect& rect) = 0;
  40 };
  41
  42 }  // namespace cc
  43
  44 #endif  // CC_LAYERS_SCROLLBAR_THEME_PAINTER_H_