mirror of
https://github.com/mozilla/gecko-dev.git
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159 lines
4.8 KiB
C++
159 lines
4.8 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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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 "nsAutoPtr.h"
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#include "nsColor.h"
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#include "nsCOMPtr.h"
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#include "nsIStyleRule.h"
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#include "nsIStyleRuleProcessor.h"
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#include "nsIStyleSheet.h"
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#include "pldhash.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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class nsHTMLStyleSheet MOZ_FINAL : public nsIStyleRuleProcessor
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{
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public:
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nsHTMLStyleSheet(nsIDocument* aDocument);
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void SetOwningDocument(nsIDocument* aDocument);
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NS_DECL_ISUPPORTS
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// nsIStyleRuleProcessor API
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virtual void RulesMatching(ElementRuleProcessorData* aData) MOZ_OVERRIDE;
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virtual void RulesMatching(PseudoElementRuleProcessorData* aData) MOZ_OVERRIDE;
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virtual void RulesMatching(AnonBoxRuleProcessorData* aData) MOZ_OVERRIDE;
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#ifdef MOZ_XUL
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virtual void RulesMatching(XULTreeRuleProcessorData* aData) MOZ_OVERRIDE;
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#endif
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virtual nsRestyleHint HasStateDependentStyle(StateRuleProcessorData* aData) MOZ_OVERRIDE;
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virtual bool HasDocumentStateDependentStyle(StateRuleProcessorData* aData) MOZ_OVERRIDE;
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virtual nsRestyleHint
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HasAttributeDependentStyle(AttributeRuleProcessorData* aData) MOZ_OVERRIDE;
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virtual bool MediumFeaturesChanged(nsPresContext* aPresContext) MOZ_OVERRIDE;
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virtual size_t SizeOfExcludingThis(mozilla::MallocSizeOf aMallocSizeOf)
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const MOZ_MUST_OVERRIDE MOZ_OVERRIDE;
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virtual size_t SizeOfIncludingThis(mozilla::MallocSizeOf aMallocSizeOf)
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const MOZ_MUST_OVERRIDE MOZ_OVERRIDE;
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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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// Mapped Attribute management methods
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already_AddRefed<nsMappedAttributes>
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UniqueMappedAttributes(nsMappedAttributes* aMapped);
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void DropMappedAttributes(nsMappedAttributes* aMapped);
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nsIStyleRule* LangRuleFor(const nsString& aLanguage);
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private:
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nsHTMLStyleSheet(const nsHTMLStyleSheet& aCopy) MOZ_DELETE;
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nsHTMLStyleSheet& operator=(const nsHTMLStyleSheet& aCopy) MOZ_DELETE;
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~nsHTMLStyleSheet();
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class HTMLColorRule;
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friend class HTMLColorRule;
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class HTMLColorRule MOZ_FINAL : public nsIStyleRule {
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public:
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HTMLColorRule() {}
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NS_DECL_ISUPPORTS
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// nsIStyleRule interface
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virtual void MapRuleInfoInto(nsRuleData* aRuleData) MOZ_OVERRIDE;
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#ifdef DEBUG
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virtual void List(FILE* out = stdout, int32_t aIndent = 0) const MOZ_OVERRIDE;
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#endif
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nscolor mColor;
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};
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// Implementation of SetLink/VisitedLink/ActiveLinkColor
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nsresult ImplLinkColorSetter(nsRefPtr<HTMLColorRule>& aRule, nscolor aColor);
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class GenericTableRule;
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friend class GenericTableRule;
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class GenericTableRule : public nsIStyleRule {
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public:
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GenericTableRule() {}
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virtual ~GenericTableRule() {}
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NS_DECL_ISUPPORTS
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// nsIStyleRule interface
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virtual void MapRuleInfoInto(nsRuleData* aRuleData) MOZ_OVERRIDE = 0;
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#ifdef DEBUG
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virtual void List(FILE* out = stdout, int32_t aIndent = 0) const MOZ_OVERRIDE;
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#endif
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};
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// this rule handles <th> inheritance
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class TableTHRule;
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friend class TableTHRule;
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class TableTHRule MOZ_FINAL : public GenericTableRule {
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public:
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TableTHRule() {}
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virtual void MapRuleInfoInto(nsRuleData* aRuleData) MOZ_OVERRIDE;
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};
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// Rule to handle quirk table colors
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class TableQuirkColorRule MOZ_FINAL : public GenericTableRule {
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public:
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TableQuirkColorRule() {}
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virtual void MapRuleInfoInto(nsRuleData* aRuleData) MOZ_OVERRIDE;
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};
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public: // for mLangRuleTable structures only
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// Rule to handle xml:lang attributes, of which we have exactly one
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// per language string, maintained in mLangRuleTable.
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class LangRule MOZ_FINAL : public nsIStyleRule {
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public:
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LangRule(const nsSubstring& aLang) : mLang(aLang) {}
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NS_DECL_ISUPPORTS
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// nsIStyleRule interface
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virtual void MapRuleInfoInto(nsRuleData* aRuleData) MOZ_OVERRIDE;
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#ifdef DEBUG
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virtual void List(FILE* out = stdout, int32_t aIndent = 0) const MOZ_OVERRIDE;
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#endif
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nsString mLang;
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};
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private:
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nsIDocument* mDocument;
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nsRefPtr<HTMLColorRule> mLinkRule;
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nsRefPtr<HTMLColorRule> mVisitedRule;
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nsRefPtr<HTMLColorRule> mActiveRule;
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nsRefPtr<TableQuirkColorRule> mTableQuirkColorRule;
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nsRefPtr<TableTHRule> mTableTHRule;
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PLDHashTable mMappedAttrTable;
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PLDHashTable mLangRuleTable;
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};
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#endif /* !defined(nsHTMLStyleSheet_h_) */
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