third_party/WebKit/Source/core/animation/SampledEffect.h

// 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 SampledEffect_h
#define SampledEffect_h

#include "core/animation/Animation.h"
#include "core/animation/Interpolation.h"
#include "core/animation/KeyframeEffect.h"
#include "wtf/Allocator.h"
#include "wtf/Vector.h"

namespace blink {

class SVGElement;

// Associates the results of sampling an EffectModel with metadata used for
// effect ordering and managing composited animations.
class SampledEffect : public GarbageCollectedFinalized<SampledEffect> {
  WTF_MAKE_NONCOPYABLE(SampledEffect);

 public:
  static SampledEffect* create(KeyframeEffect* animation) {
    return new SampledEffect(animation);
  }

  void clear();

  const Vector<RefPtr<Interpolation>>& interpolations() const {
    return m_interpolations;
  }
  Vector<RefPtr<Interpolation>>& mutableInterpolations() {
    return m_interpolations;
  }

  KeyframeEffect* effect() const { return m_effect; }
  unsigned sequenceNumber() const { return m_sequenceNumber; }
  KeyframeEffect::Priority priority() const { return m_priority; }
  bool willNeverChange() const;
  void removeReplacedInterpolations(const HashSet<PropertyHandle>&);
  void updateReplacedProperties(HashSet<PropertyHandle>&);

  DECLARE_TRACE();

 private:
  SampledEffect(KeyframeEffect*);

  WeakMember<KeyframeEffect> m_effect;
  Vector<RefPtr<Interpolation>> m_interpolations;
  const unsigned m_sequenceNumber;
  KeyframeEffect::Priority m_priority;
};

}  // namespace blink

#endif  // SampledEffect_h