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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.
*/
#pragma once
#include "CSSPropertyNames.h"
#include "ExceptionOr.h"
#include "ScriptWrappable.h"
namespace WebCore {
class CSSProperty;
class CSSRule;
class CSSStyleSheet;
class CSSValue;
class DeprecatedCSSOMValue;
class MutableStyleProperties;
class StyleProperties;
class StyledElement;
class CSSStyleDeclaration : public ScriptWrappable {
WTF_MAKE_NONCOPYABLE(CSSStyleDeclaration);
WTF_MAKE_ISO_ALLOCATED(CSSStyleDeclaration);
public:
virtual ~CSSStyleDeclaration() = default;
virtual void ref() = 0;
virtual void deref() = 0;
virtual StyledElement* parentElement() const { return nullptr; }
virtual CSSRule* parentRule() const = 0;
virtual CSSRule* cssRules() const = 0;
virtual String cssText() const = 0;
virtual ExceptionOr<void> setCssText(const String&) = 0;
virtual unsigned length() const = 0;
virtual String item(unsigned index) const = 0;
bool isSupportedPropertyIndex(unsigned index) const { return index < length(); }
virtual RefPtr<DeprecatedCSSOMValue> getPropertyCSSValue(const String& propertyName) = 0;
virtual String getPropertyValue(const String& propertyName) = 0;
virtual String getPropertyPriority(const String& propertyName) = 0;
virtual String getPropertyShorthand(const String& propertyName) = 0;
virtual bool isPropertyImplicit(const String& propertyName) = 0;
virtual ExceptionOr<void> setProperty(const String& propertyName, const String& value, const String& priority) = 0;
virtual ExceptionOr<String> removeProperty(const String& propertyName) = 0;
String cssFloat();
ExceptionOr<void> setCssFloat(const String&);
// CSSPropertyID versions of the CSSOM functions to support bindings and editing.
// Use the non-virtual methods in the concrete subclasses when possible.
virtual String getPropertyValueInternal(CSSPropertyID) = 0;
virtual ExceptionOr<void> setPropertyInternal(CSSPropertyID, const String& value, bool important) = 0;
virtual Ref<MutableStyleProperties> copyProperties() const = 0;
virtual CSSStyleSheet* parentStyleSheet() const { return nullptr; }
virtual const Settings* settings() const;
// FIXME: It would be more efficient, by virtue of avoiding the text transformation and hash lookup currently
// required in the implementation, if we could could smuggle the CSSPropertyID through the bindings, perhaps
// by encoding it into the HashTableValue and then passing it together with the PropertyName.
// Shared implementation for all properties that match https://drafts.csswg.org/cssom/#dom-cssstyledeclaration-camel_cased_attribute.
String propertyValueForCamelCasedIDLAttribute(const AtomString&);
ExceptionOr<void> setPropertyValueForCamelCasedIDLAttribute(const AtomString&, const String&);
// Shared implementation for all properties that match https://drafts.csswg.org/cssom/#dom-cssstyledeclaration-webkit_cased_attribute.
String propertyValueForWebKitCasedIDLAttribute(const AtomString&);
ExceptionOr<void> setPropertyValueForWebKitCasedIDLAttribute(const AtomString&, const String&);
// Shared implementation for all properties that match https://drafts.csswg.org/cssom/#dom-cssstyledeclaration-dashed_attribute.
String propertyValueForDashedIDLAttribute(const AtomString&);
ExceptionOr<void> setPropertyValueForDashedIDLAttribute(const AtomString&, const String&);
// Shared implementation for all properties that match non-standard Epub-cased.
String propertyValueForEpubCasedIDLAttribute(const AtomString&);
ExceptionOr<void> setPropertyValueForEpubCasedIDLAttribute(const AtomString&, const String&);
// FIXME: This needs to pass in a Settings& to work correctly.
static CSSPropertyID getCSSPropertyIDFromJavaScriptPropertyName(const AtomString&);
protected:
CSSStyleDeclaration() = default;
};
} // namespace WebCore
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