forked from mirrors/gecko-dev
		
	Differential Revision: https://phabricator.services.mozilla.com/D66016 --HG-- extra : moz-landing-system : lando
		
			
				
	
	
		
			89 lines
		
	
	
	
		
			2.8 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			89 lines
		
	
	
	
		
			2.8 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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namespace mozilla {
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namespace dom {
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class Document;
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}  // namespace dom
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}  // namespace mozilla
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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() = default;
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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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