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 * in the documentation and/or other materials provided with the
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#ifndef THIRD_PARTY_BLINK_RENDERER_PLATFORM_GRAPHICS_REPLAYING_CANVAS_H_
#define THIRD_PARTY_BLINK_RENDERER_PLATFORM_GRAPHICS_REPLAYING_CANVAS_H_

#include "third_party/blink/renderer/platform/graphics/intercepting_canvas.h"

namespace blink {

class ReplayingCanvas;

template <>
class CanvasInterceptor<ReplayingCanvas>
    : protected InterceptingCanvasBase::CanvasInterceptorBase<ReplayingCanvas> {
 public:
  CanvasInterceptor(InterceptingCanvasBase* canvas)
      : InterceptingCanvasBase::CanvasInterceptorBase<ReplayingCanvas>(canvas) {
  }
  ~CanvasInterceptor();
};

class ReplayingCanvas : public InterceptingCanvas<ReplayingCanvas>,
                        public SkPicture::AbortCallback {
 public:
  ReplayingCanvas(SkBitmap, unsigned from_step, unsigned to_step);

  bool abort() override;
  SkCanvas::SaveLayerStrategy getSaveLayerStrategy(
      const SaveLayerRec&) override;
  void onDrawPicture(const SkPicture*,
                     const SkMatrix*,
                     const SkPaint*) override;

 private:
  friend class CanvasInterceptor<ReplayingCanvas>;

  void UpdateInRange();

  unsigned from_step_;
  unsigned to_step_;
  bool abort_drawing_;
};

}  // namespace blink

#endif  // THIRD_PARTY_BLINK_RENDERER_PLATFORM_GRAPHICS_REPLAYING_CANVAS_H_