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

// Copyright 2014 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_STRING_KEYFRAME_H_
#define THIRD_PARTY_BLINK_RENDERER_CORE_ANIMATION_STRING_KEYFRAME_H_

#include "third_party/blink/renderer/core/animation/keyframe.h"
#include "third_party/blink/renderer/core/core_export.h"
#include "third_party/blink/renderer/core/css/css_property_value_set.h"
#include "third_party/blink/renderer/platform/heap/collection_support/heap_hash_map.h"
#include "third_party/blink/renderer/platform/heap/garbage_collected.h"
#include "third_party/blink/renderer/platform/text/writing_direction_mode.h"
#include "third_party/blink/renderer/platform/wtf/hash_map.h"

namespace blink {

class CSSPropertyName;
class StyleSheetContents;

// An implementation of Keyframe used for CSS Animations, web-animations, and
// the HTML <marquee> element.
//
// A StringKeyframe instance supports an arbitrary number of (property, value)
// pairs. The properties can be CSS properties or SVG attributes, mapping to
// CSSValue or plain String values respectively. CSS properties added to a
// StringKeyframe are expanded to shorthand and de-duplicated, with newer
// properties replacing older ones. SVG attributes are similarly de-duplicated.
//
class CORE_EXPORT StringKeyframe : public Keyframe { … };

CSSPropertySpecificKeyframe;
SVGPropertySpecificKeyframe;

template <>
struct DowncastTraits<StringKeyframe> { … };
template <>
struct DowncastTraits<CSSPropertySpecificKeyframe> { … };
template <>
struct DowncastTraits<SVGPropertySpecificKeyframe> { … };

}  // namespace blink

#endif  // THIRD_PARTY_BLINK_RENDERER_CORE_ANIMATION_STRING_KEYFRAME_H_