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/*
* Copyright (C) 1999 Lars Knoll (knoll@kde.org)
* (C) 1999 Antti Koivisto (koivisto@kde.org)
* (C) 2001 Peter Kelly (pmk@post.com)
* (C) 2001 Dirk Mueller (mueller@kde.org)
* Copyright (C) 2003-2018 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 "CSSPrimitiveValue.h"
#include "CSSPropertyNames.h"
#include "CSSValueKeywords.h"
#include "Element.h"
#include "ElementData.h"
namespace WebCore {
class Attribute;
class MutableStyleProperties;
class PropertySetCSSStyleDeclaration;
class StyleProperties;
class StylePropertyMap;
class StyledElement : public Element {
WTF_MAKE_ISO_ALLOCATED(StyledElement);
public:
virtual ~StyledElement();
void invalidateStyleAttribute();
const StyleProperties* inlineStyle() const { return elementData() ? elementData()->m_inlineStyle.get() : nullptr; }
bool setInlineStyleProperty(CSSPropertyID, CSSValueID identifier, bool important = false);
bool setInlineStyleProperty(CSSPropertyID, CSSPropertyID identifier, bool important = false);
WEBCORE_EXPORT bool setInlineStyleProperty(CSSPropertyID, double value, CSSUnitType, bool important = false);
WEBCORE_EXPORT bool setInlineStyleProperty(CSSPropertyID, const String& value, bool important = false, bool* didFailParsing = nullptr);
bool setInlineStyleCustomProperty(const AtomString& property, const String& value, bool important = false);
bool setInlineStyleCustomProperty(Ref<CSSValue>&&, bool important = false);
bool setInlineStyleProperty(CSSPropertyID, Ref<CSSValue>&&, bool important = false);
bool removeInlineStyleProperty(CSSPropertyID);
bool removeInlineStyleCustomProperty(const AtomString&);
void removeAllInlineStyleProperties();
void synchronizeStyleAttributeInternal() const { const_cast<StyledElement*>(this)->synchronizeStyleAttributeInternalImpl(); }
WEBCORE_EXPORT CSSStyleDeclaration& cssomStyle();
StylePropertyMap& ensureAttributeStyleMap();
// https://html.spec.whatwg.org/#presentational-hints
const MutableStyleProperties* presentationalHintStyle() const;
virtual void collectPresentationalHintsForAttribute(const QualifiedName&, const AtomString&, MutableStyleProperties&) { }
virtual const MutableStyleProperties* additionalPresentationalHintStyle() const { return nullptr; }
virtual void collectExtraStyleForPresentationalHints(MutableStyleProperties&) { }
protected:
StyledElement(const QualifiedName& name, Document& document, ConstructionType type)
: Element(name, document, type)
{
}
void attributeChanged(const QualifiedName&, const AtomString& oldValue, const AtomString& newValue, AttributeModificationReason = AttributeModificationReason::Directly) override;
virtual bool hasPresentationalHintsForAttribute(const QualifiedName&) const { return false; }
void addPropertyToPresentationalHintStyle(MutableStyleProperties&, CSSPropertyID, CSSValueID identifier);
void addPropertyToPresentationalHintStyle(MutableStyleProperties&, CSSPropertyID, double value, CSSUnitType);
void addPropertyToPresentationalHintStyle(MutableStyleProperties&, CSSPropertyID, const String& value);
void addSubresourceAttributeURLs(ListHashSet<URL>&) const override;
private:
void styleAttributeChanged(const AtomString& newStyleString, AttributeModificationReason);
void synchronizeStyleAttributeInternalImpl();
void inlineStyleChanged();
PropertySetCSSStyleDeclaration* inlineStyleCSSOMWrapper();
void setInlineStyleFromString(const AtomString&);
MutableStyleProperties& ensureMutableInlineStyle();
void rebuildPresentationalHintStyle();
};
inline const MutableStyleProperties* StyledElement::presentationalHintStyle() const
{
if (!elementData())
return nullptr;
if (elementData()->presentationalHintStyleIsDirty())
const_cast<StyledElement&>(*this).rebuildPresentationalHintStyle();
return elementData()->presentationalHintStyle();
}
} // namespace WebCore
SPECIALIZE_TYPE_TRAITS_BEGIN(WebCore::StyledElement)
static bool isType(const WebCore::Node& node) { return node.isStyledElement(); }
SPECIALIZE_TYPE_TRAITS_END()
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