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/*
* Copyright 2014 Google Inc. 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_STYLE_RULE_H_
#define COBALT_CSSOM_CSS_STYLE_RULE_H_
#include <string>
#include <utility>
#include <vector>
#include "base/basictypes.h"
#include "base/compiler_specific.h"
#include "base/hash_tables.h"
#include "base/memory/ref_counted.h"
#include "cobalt/cssom/cascade_precedence.h"
#include "cobalt/cssom/css_declared_style_data.h"
#include "cobalt/cssom/css_rule.h"
#include "cobalt/cssom/css_rule_style_declaration.h"
#include "cobalt/cssom/css_style_declaration.h"
#include "cobalt/cssom/selector.h"
namespace cobalt {
namespace cssom {
class CSSRuleVisitor;
class CSSStyleSheet;
// The CSSStyleRule interface represents a style rule.
// https://www.w3.org/TR/2013/WD-cssom-20131205/#the-cssstylerule-interface
class CSSStyleRule : public CSSRule {
public:
CSSStyleRule();
CSSStyleRule(Selectors selectors,
const scoped_refptr<CSSRuleStyleDeclaration>& style);
// Web API: CSSStyleRule
const scoped_refptr<CSSStyleDeclaration> style() const;
// Web API: CSSRule
//
Type type() const OVERRIDE { return kStyleRule; }
std::string css_text(script::ExceptionState* exception_state) const OVERRIDE;
void set_css_text(const std::string& css_text,
script::ExceptionState* exception_state) OVERRIDE;
// Custom, not in any spec.
//
// From CSSRule.
void Accept(CSSRuleVisitor* visitor) OVERRIDE;
void AttachToCSSStyleSheet(CSSStyleSheet* style_sheet) OVERRIDE;
CSSStyleRule* AsCSSStyleRule() OVERRIDE { return this; }
const Selectors& selectors() const { return selectors_; }
bool added_to_selector_tree() const { return added_to_selector_tree_; }
void set_added_to_selector_tree(bool added_to_selector_tree) {
added_to_selector_tree_ = added_to_selector_tree;
}
// Custom.
const scoped_refptr<CSSDeclaredStyleData>& declared_style_data() const {
DCHECK(style_);
return style_->data();
}
DEFINE_WRAPPABLE_TYPE(CSSStyleRule);
private:
~CSSStyleRule() OVERRIDE;
Selectors selectors_;
scoped_refptr<CSSRuleStyleDeclaration> style_;
bool added_to_selector_tree_;
DISALLOW_COPY_AND_ASSIGN(CSSStyleRule);
};
typedef std::pair<scoped_refptr<CSSStyleRule>, CascadePrecedence>
RuleWithCascadePrecedence;
typedef std::vector<RuleWithCascadePrecedence> RulesWithCascadePrecedence;
} // namespace cssom
} // namespace cobalt
#endif // COBALT_CSSOM_CSS_STYLE_RULE_H_