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// Copyright 2016 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 THIRD_PARTY_BLINK_RENDERER_PLATFORM_ANIMATION_COMPOSITOR_SCROLL_OFFSET_ANIMATION_CURVE_H_
#define THIRD_PARTY_BLINK_RENDERER_PLATFORM_ANIMATION_COMPOSITOR_SCROLL_OFFSET_ANIMATION_CURVE_H_
#include <memory>
#include "base/macros.h"
#include "base/memory/ptr_util.h"
#include "cc/animation/scroll_offset_animation_curve_factory.h"
#include "third_party/blink/renderer/platform/animation/compositor_animation_curve.h"
#include "third_party/blink/renderer/platform/geometry/float_point.h"
#include "third_party/blink/renderer/platform/platform_export.h"
namespace cc {
class ScrollOffsetAnimationCurve;
}
namespace blink {
class PLATFORM_EXPORT CompositorScrollOffsetAnimationCurve
: public CompositorAnimationCurve {
public:
using ScrollType = cc::ScrollOffsetAnimationCurveFactory::ScrollType;
CompositorScrollOffsetAnimationCurve(FloatPoint, ScrollType);
explicit CompositorScrollOffsetAnimationCurve(
cc::ScrollOffsetAnimationCurve*);
~CompositorScrollOffsetAnimationCurve() override;
void SetInitialValue(FloatPoint);
FloatPoint GetValue(double time) const;
double Duration() const;
FloatPoint TargetValue() const;
void ApplyAdjustment(IntSize);
void UpdateTarget(base::TimeDelta time, FloatPoint new_target);
// CompositorAnimationCurve implementation.
std::unique_ptr<cc::AnimationCurve> CloneToAnimationCurve() const override;
private:
std::unique_ptr<cc::ScrollOffsetAnimationCurve> curve_;
DISALLOW_COPY_AND_ASSIGN(CompositorScrollOffsetAnimationCurve);
};
} // namespace blink
#endif // THIRD_PARTY_BLINK_RENDERER_PLATFORM_ANIMATION_COMPOSITOR_SCROLL_OFFSET_ANIMATION_CURVE_H_
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