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// Copyright 2015 The Cobalt Authors. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#ifndef COBALT_CSSOM_CSS_KEYFRAME_RULE_H_
#define COBALT_CSSOM_CSS_KEYFRAME_RULE_H_
#include <string>
#include <vector>
#include "base/compiler_specific.h"
#include "cobalt/cssom/css_rule.h"
#include "cobalt/cssom/css_rule_style_declaration.h"
#include "cobalt/script/wrappable.h"
namespace cobalt {
namespace cssom {
class CSSRuleVisitor;
class CSSStyleSheet;
// The CSSKeyframeRule interface represents the style rule for a single key.
// https://www.w3.org/TR/2013/WD-css3-animations-20130219/#CSSKeyframeRule-interface
class CSSKeyframeRule : public CSSRule {
public:
CSSKeyframeRule(const std::vector<float>& offsets,
const scoped_refptr<CSSRuleStyleDeclaration>& style);
// Web API: CSSRule
Type type() const override { return kKeyframeRule; }
std::string css_text(script::ExceptionState* exception_state) const override;
void set_css_text(const std::string& css_text,
script::ExceptionState* exception_state) override;
// Web API: CSSKeyframeRule
//
std::string key_text() const;
const scoped_refptr<CSSRuleStyleDeclaration>& style() const { return style_; }
// Custom, not in any spec.
//
const std::vector<float>& offsets() const { return offsets_; }
// From CSSRule.
void Accept(CSSRuleVisitor* visitor) override;
void AttachToCSSStyleSheet(CSSStyleSheet* style_sheet) override;
DEFINE_WRAPPABLE_TYPE(CSSKeyframeRule);
private:
~CSSKeyframeRule() override;
// The set of offsets that this keyframe's rule should apply to.
// This is computed from keyText.
std::vector<float> offsets_;
// The style that is represented by this keyframe rule.
scoped_refptr<CSSRuleStyleDeclaration> style_;
};
} // namespace cssom
} // namespace cobalt
#endif // COBALT_CSSOM_CSS_KEYFRAME_RULE_H_