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/*
* (C) 1999-2003 Lars Knoll (knoll@kde.org)
* Copyright (C) 2004, 2005, 2006, 2008, 2012 Apple Inc. All rights reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifndef CSSStyleDeclaration_h
#define CSSStyleDeclaration_h
#include "base/macros.h"
#include "core/CSSPropertyNames.h"
#include "core/CoreExport.h"
#include "core/dom/ExecutionContext.h"
#include "platform/bindings/ScriptWrappable.h"
#include "platform/wtf/Forward.h"
#include "platform/wtf/Noncopyable.h"
#include "platform/wtf/text/WTFString.h"
namespace blink {
class CSSRule;
class CSSStyleSheet;
class CSSValue;
class Element;
class ExceptionState;
enum class SecureContextMode;
class CORE_EXPORT CSSStyleDeclaration : public ScriptWrappable {
DEFINE_WRAPPERTYPEINFO();
public:
virtual ~CSSStyleDeclaration() = default;
virtual Element* ParentElement() const { return nullptr; }
virtual CSSRule* parentRule() const = 0;
String cssFloat() { return GetPropertyValueInternal(CSSPropertyFloat); }
void setCSSFloat(const ExecutionContext* execution_context,
const String& value,
ExceptionState& exception_state) {
SetPropertyInternal(CSSPropertyFloat, String(), value, false,
execution_context->GetSecureContextMode(),
exception_state);
}
virtual String cssText() const = 0;
virtual void setCSSText(const ExecutionContext*,
const String&,
ExceptionState&) = 0;
virtual unsigned length() const = 0;
virtual String item(unsigned index) const = 0;
virtual String getPropertyValue(const String& property_name) = 0;
virtual String getPropertyPriority(const String& property_name) = 0;
virtual String GetPropertyShorthand(const String& property_name) = 0;
virtual bool IsPropertyImplicit(const String& property_name) = 0;
virtual void setProperty(const ExecutionContext*,
const String& property_name,
const String& value,
const String& priority,
ExceptionState&) = 0;
virtual String removeProperty(const String& property_name,
ExceptionState&) = 0;
// CSSPropertyID versions of the CSSOM functions to support bindings and
// editing.
// Use the non-virtual methods in the concrete subclasses when possible.
// The CSSValue returned by this function should not be exposed to the web as
// it may be used by multiple documents at the same time.
virtual const CSSValue* GetPropertyCSSValueInternal(CSSPropertyID) = 0;
virtual const CSSValue* GetPropertyCSSValueInternal(
AtomicString custom_property_name) = 0;
virtual String GetPropertyValueInternal(CSSPropertyID) = 0;
virtual void SetPropertyInternal(CSSPropertyID,
const String& property_value,
const String& value,
bool important,
SecureContextMode,
ExceptionState&) = 0;
virtual bool CssPropertyMatches(CSSPropertyID, const CSSValue*) const = 0;
virtual CSSStyleSheet* ParentStyleSheet() const { return nullptr; }
protected:
CSSStyleDeclaration() = default;
private:
DISALLOW_COPY_AND_ASSIGN(CSSStyleDeclaration);
};
} // namespace blink
#endif // CSSStyleDeclaration_h