chromium/third_party/blink/renderer/core/animation/transition_keyframe.h

// Copyright 2017 The Chromium Authors
// 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_CORE_ANIMATION_TRANSITION_KEYFRAME_H_
#define THIRD_PARTY_BLINK_RENDERER_CORE_ANIMATION_TRANSITION_KEYFRAME_H_

#include "base/notreached.h"
#include "third_party/blink/renderer/core/animation/css/compositor_keyframe_value.h"
#include "third_party/blink/renderer/core/animation/keyframe.h"
#include "third_party/blink/renderer/core/animation/typed_interpolation_value.h"
#include "third_party/blink/renderer/core/core_export.h"

namespace blink {

// An implementation of Keyframe specifically for CSS Transitions.
//
// TransitionKeyframes are a simple form of keyframe, which only have one
// (property, value) pair. CSS Transitions do not support SVG attributes, so the
// property will always be a CSSPropertyID (for CSS properties and presentation
// attributes) or an AtomicString (for custom CSS properties).
class CORE_EXPORT TransitionKeyframe : public Keyframe { … };

TransitionPropertySpecificKeyframe;

template <>
struct DowncastTraits<TransitionKeyframe> { … };
template <>
struct DowncastTraits<TransitionPropertySpecificKeyframe> { … };

}  // namespace blink

#endif  // THIRD_PARTY_BLINK_RENDERER_CORE_ANIMATION_TRANSITION_KEYFRAME_H_