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// Copyright 2016 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_DECLARED_STYLE_DECLARATION_H_
#define COBALT_CSSOM_CSS_DECLARED_STYLE_DECLARATION_H_
#include <string>
#include "base/basictypes.h"
#include "base/memory/ref_counted.h"
#include "base/optional.h"
#include "cobalt/cssom/css_declared_style_data.h"
#include "cobalt/cssom/css_style_declaration.h"
#include "cobalt/script/exception_state.h"
namespace cobalt {
namespace cssom {
class CSSParser;
// A CSS declaration block is an ordered collection of CSS properties with their
// associated values, also named CSS declarations. In the DOM a CSS declaration
// block is a CSSStyleDeclaration object.
// https://www.w3.org/TR/2013/WD-cssom-20131205/#css-declaration-blocks
// The CSSDeclaredStyleDeclaration implements a CSS Declaration block
// for declared styles, such as css style rules and inline styles.
class CSSDeclaredStyleDeclaration : public CSSStyleDeclaration {
public:
using CSSStyleDeclaration::SetProperty;
explicit CSSDeclaredStyleDeclaration(CSSParser* css_parser);
CSSDeclaredStyleDeclaration(const scoped_refptr<CSSDeclaredStyleData>& data,
CSSParser* css_parser);
// From CSSStyleDeclaration.
std::string css_text(script::ExceptionState* exception_state) const override;
void set_css_text(const std::string& css_text,
script::ExceptionState* exception_state) override;
unsigned int length() const override;
base::optional<std::string> Item(unsigned int index) const override;
void SetPropertyValue(const std::string& property_name,
const std::string& property_value,
script::ExceptionState* exception_state) override;
void SetProperty(const std::string& property_name,
const std::string& property_value,
const std::string& priority,
script::ExceptionState* exception_state) override;
// Custom.
const scoped_refptr<CSSDeclaredStyleData>& data() const { return data_; }
void set_mutation_observer(MutationObserver* observer) {
mutation_observer_ = observer;
}
void AssignFrom(const CSSDeclaredStyleDeclaration& rhs);
private:
// From CSSStyleDeclaration.
std::string GetDeclaredPropertyValueStringByKey(
const PropertyKey key) const override;
// Custom.
void RecordMutation();
scoped_refptr<CSSDeclaredStyleData> data_;
CSSParser* const css_parser_;
MutationObserver* mutation_observer_;
DISALLOW_COPY_AND_ASSIGN(CSSDeclaredStyleDeclaration);
};
} // namespace cssom
} // namespace cobalt
#endif // COBALT_CSSOM_CSS_DECLARED_STYLE_DECLARATION_H_