cc/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_SCROLLBAR_THEME_PAINTER_H_
   6 #define CC_SCROLLBAR_THEME_PAINTER_H_
   7
   8 #include "cc/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*, const gfx::Rect&) = 0;
  23   virtual void PaintTrackBackground(SkCanvas*, const gfx::Rect&) = 0;
  24   virtual void PaintBackTrackPart(SkCanvas*, const gfx::Rect&) = 0;
  25   virtual void PaintForwardTrackPart(SkCanvas*, const gfx::Rect&) = 0;
  26   virtual void PaintBackButtonStart(SkCanvas*, const gfx::Rect&) = 0;
  27   virtual void PaintBackButtonEnd(SkCanvas*, const gfx::Rect&) = 0;
  28   virtual void PaintForwardButtonStart(SkCanvas*, const gfx::Rect&) = 0;
  29   virtual void PaintForwardButtonEnd(SkCanvas*, const gfx::Rect&) = 0;
  30   virtual void PaintTickmarks(SkCanvas*, const gfx::Rect&) = 0;
  31   virtual void PaintThumb(SkCanvas*, const gfx::Rect&) = 0;
  32 };
  33
  34 }  // namespace cc
  35
  36 #endif  // CC_SCROLLBAR_THEME_PAINTER_H_