111 lines
4.5 KiB
C++
111 lines
4.5 KiB
C++
/*
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* Copyright (C) 1999 Lars Knoll (knoll@kde.org)
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* (C) 1999 Antti Koivisto (koivisto@kde.org)
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* (C) 2001 Peter Kelly (pmk@post.com)
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* (C) 2001 Dirk Mueller (mueller@kde.org)
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* Copyright (C) 2003-2018 Apple Inc. All rights reserved.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public License
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* along with this library; see the file COPYING.LIB. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*
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*/
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#pragma once
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#include "CSSPrimitiveValue.h"
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#include "CSSPropertyNames.h"
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#include "CSSValueKeywords.h"
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#include "Element.h"
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namespace WebCore {
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class Attribute;
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class MutableStyleProperties;
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class PropertySetCSSStyleDeclaration;
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class StyleProperties;
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class StylePropertyMap;
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class StyledElement : public Element {
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WTF_MAKE_ISO_ALLOCATED(StyledElement);
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public:
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virtual ~StyledElement();
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void invalidateStyleAttribute();
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const StyleProperties* inlineStyle() const { return elementData() ? elementData()->m_inlineStyle.get() : nullptr; }
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bool setInlineStyleProperty(CSSPropertyID, CSSValueID identifier, bool important = false);
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bool setInlineStyleProperty(CSSPropertyID, CSSPropertyID identifier, bool important = false);
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WEBCORE_EXPORT bool setInlineStyleProperty(CSSPropertyID, double value, CSSUnitType, bool important = false);
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WEBCORE_EXPORT bool setInlineStyleProperty(CSSPropertyID, const String& value, bool important = false);
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bool removeInlineStyleProperty(CSSPropertyID);
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void removeAllInlineStyleProperties();
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void synchronizeStyleAttributeInternal() const { const_cast<StyledElement*>(this)->synchronizeStyleAttributeInternalImpl(); }
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WEBCORE_EXPORT CSSStyleDeclaration& cssomStyle();
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#if ENABLE(CSS_TYPED_OM)
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StylePropertyMap& ensureAttributeStyleMap();
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#endif
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// https://html.spec.whatwg.org/#presentational-hints
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const StyleProperties* presentationalHintStyle() const;
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virtual void collectPresentationalHintsForAttribute(const QualifiedName&, const AtomString&, MutableStyleProperties&) { }
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virtual const StyleProperties* additionalPresentationalHintStyle() const { return nullptr; }
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virtual void collectExtraStyleForPresentationalHints(MutableStyleProperties&) { }
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protected:
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StyledElement(const QualifiedName& name, Document& document, ConstructionType type)
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: Element(name, document, type)
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{
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}
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void attributeChanged(const QualifiedName&, const AtomString& oldValue, const AtomString& newValue, AttributeModificationReason = ModifiedDirectly) override;
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virtual bool hasPresentationalHintsForAttribute(const QualifiedName&) const { return false; }
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void addPropertyToPresentationalHintStyle(MutableStyleProperties&, CSSPropertyID, CSSValueID identifier);
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void addPropertyToPresentationalHintStyle(MutableStyleProperties&, CSSPropertyID, double value, CSSUnitType);
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void addPropertyToPresentationalHintStyle(MutableStyleProperties&, CSSPropertyID, const String& value);
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void addSubresourceAttributeURLs(ListHashSet<URL>&) const override;
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private:
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void styleAttributeChanged(const AtomString& newStyleString, AttributeModificationReason);
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void synchronizeStyleAttributeInternalImpl();
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void inlineStyleChanged();
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PropertySetCSSStyleDeclaration* inlineStyleCSSOMWrapper();
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void setInlineStyleFromString(const AtomString&);
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MutableStyleProperties& ensureMutableInlineStyle();
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void rebuildPresentationalHintStyle();
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};
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inline const StyleProperties* StyledElement::presentationalHintStyle() const
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{
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if (!elementData())
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return nullptr;
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if (elementData()->presentationalHintStyleIsDirty())
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const_cast<StyledElement&>(*this).rebuildPresentationalHintStyle();
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return elementData()->presentationalHintStyle();
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}
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} // namespace WebCore
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SPECIALIZE_TYPE_TRAITS_BEGIN(WebCore::StyledElement)
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static bool isType(const WebCore::Node& node) { return node.isStyledElement(); }
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SPECIALIZE_TYPE_TRAITS_END()
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