зеркало из https://github.com/mozilla/gecko-dev.git
85 строки
2.7 KiB
C++
85 строки
2.7 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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/*
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* style sheet and style rule processor representing data from presentational
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* HTML attributes
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*/
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#ifndef nsHTMLStyleSheet_h_
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#define nsHTMLStyleSheet_h_
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#include "nsColor.h"
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#include "nsCOMPtr.h"
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#include "nsAtom.h"
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#include "PLDHashTable.h"
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#include "mozilla/Attributes.h"
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#include "mozilla/MemoryReporting.h"
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#include "nsString.h"
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class nsMappedAttributes;
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struct RawServoDeclarationBlock;
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class nsHTMLStyleSheet final {
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public:
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explicit nsHTMLStyleSheet(mozilla::dom::Document* aDocument);
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void SetOwningDocument(mozilla::dom::Document* aDocument);
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NS_INLINE_DECL_REFCOUNTING(nsHTMLStyleSheet)
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size_t DOMSizeOfIncludingThis(mozilla::MallocSizeOf aMallocSizeOf) const;
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void Reset();
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nsresult SetLinkColor(nscolor aColor);
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nsresult SetActiveLinkColor(nscolor aColor);
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nsresult SetVisitedLinkColor(nscolor aColor);
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const RefPtr<RawServoDeclarationBlock>& GetServoUnvisitedLinkDecl() const {
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return mServoUnvisitedLinkDecl;
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}
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const RefPtr<RawServoDeclarationBlock>& GetServoVisitedLinkDecl() const {
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return mServoVisitedLinkDecl;
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}
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const RefPtr<RawServoDeclarationBlock>& GetServoActiveLinkDecl() const {
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return mServoActiveLinkDecl;
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}
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// Mapped Attribute management methods
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already_AddRefed<nsMappedAttributes> UniqueMappedAttributes(
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nsMappedAttributes* aMapped);
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void DropMappedAttributes(nsMappedAttributes* aMapped);
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// For each mapped presentation attribute in the cache, resolve
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// the attached DeclarationBlock by running the mapping
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// and converting the ruledata to Servo specified values.
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void CalculateMappedServoDeclarations();
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private:
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nsHTMLStyleSheet(const nsHTMLStyleSheet& aCopy) = delete;
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nsHTMLStyleSheet& operator=(const nsHTMLStyleSheet& aCopy) = delete;
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~nsHTMLStyleSheet() {}
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// Implementation of SetLink/VisitedLink/ActiveLinkColor
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nsresult ImplLinkColorSetter(RefPtr<RawServoDeclarationBlock>& aDecl,
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nscolor aColor);
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public: // for mLangRuleTable structures only
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private:
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mozilla::dom::Document* mDocument;
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RefPtr<RawServoDeclarationBlock> mServoUnvisitedLinkDecl;
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RefPtr<RawServoDeclarationBlock> mServoVisitedLinkDecl;
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RefPtr<RawServoDeclarationBlock> mServoActiveLinkDecl;
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PLDHashTable mMappedAttrTable;
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// Whether or not the mapped attributes table
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// has been changed since the last call to
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// CalculateMappedServoDeclarations()
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bool mMappedAttrsDirty;
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};
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#endif /* !defined(nsHTMLStyleSheet_h_) */
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