File: AnimatablePath.h

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// Copyright 2015 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 AnimatablePath_h
#define AnimatablePath_h

#include "core/CoreExport.h"
#include "core/animation/animatable/AnimatableValue.h"
#include "core/style/StylePath.h"

namespace blink {

class CORE_EXPORT AnimatablePath final : public AnimatableValue {
 public:
  ~AnimatablePath() override {}
  static PassRefPtr<AnimatablePath> create(PassRefPtr<StylePath> path) {
    return adoptRef(new AnimatablePath(std::move(path)));
  }

  StylePath* path() const { return m_path.get(); }

 protected:
  PassRefPtr<AnimatableValue> interpolateTo(const AnimatableValue*,
                                            double fraction) const override;
  bool usesDefaultInterpolationWith(const AnimatableValue*) const override;

 private:
  explicit AnimatablePath(PassRefPtr<StylePath> path) : m_path(path) {}
  AnimatableType type() const override { return TypePath; }
  bool equalTo(const AnimatableValue*) const override;
  const RefPtr<StylePath> m_path;
};

DEFINE_ANIMATABLE_VALUE_TYPE_CASTS(AnimatablePath, isPath());

}  // namespace blink

#endif  // AnimatablePath_h