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// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef CC_BLINK_WEB_TRANSFORM_ANIMATION_CURVE_IMPL_H_
#define CC_BLINK_WEB_TRANSFORM_ANIMATION_CURVE_IMPL_H_

#include "base/macros.h"
#include "base/memory/scoped_ptr.h"
#include "cc/blink/cc_blink_export.h"
#include "third_party/WebKit/public/platform/WebTransformAnimationCurve.h"

namespace cc {
class AnimationCurve;
class KeyframedTransformAnimationCurve;
}

namespace blink {
class WebTransformKeyframe;
}

namespace cc_blink {

class WebTransformAnimationCurveImpl
    : public blink::WebTransformAnimationCurve {
 public:
  CC_BLINK_EXPORT WebTransformAnimationCurveImpl();
  ~WebTransformAnimationCurveImpl() override;

  // blink::WebCompositorAnimationCurve implementation.
  AnimationCurveType type() const override;

  // blink::WebTransformAnimationCurve implementation.
  void add(const blink::WebTransformKeyframe& keyframe) override;
  void add(const blink::WebTransformKeyframe& keyframe,
           TimingFunctionType type) override;
  void add(const blink::WebTransformKeyframe& keyframe,
           double x1,
           double y1,
           double x2,
           double y2) override;
  void add(const blink::WebTransformKeyframe& keyframe,
           int steps,
           float stepsStartOffset) override;
  void setLinearTimingFunction() override;
  void setCubicBezierTimingFunction(TimingFunctionType) override;
  void setCubicBezierTimingFunction(double x1,
                                    double y1,
                                    double x2,
                                    double y2) override;
  void setStepsTimingFunction(int number_of_steps,
                              float steps_start_offset) override;

  scoped_ptr<cc::AnimationCurve> CloneToAnimationCurve() const;

 private:
  scoped_ptr<cc::KeyframedTransformAnimationCurve> curve_;

  DISALLOW_COPY_AND_ASSIGN(WebTransformAnimationCurveImpl);
};

}  // namespace cc_blink

#endif  // CC_BLINK_WEB_TRANSFORM_ANIMATION_CURVE_IMPL_H_