michael@0: /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
michael@0:  *
michael@0:  * This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: /*
michael@0:  * style sheet and style rule processor representing data from presentational
michael@0:  * HTML attributes
michael@0:  */
michael@0: 
michael@0: #ifndef nsHTMLStyleSheet_h_
michael@0: #define nsHTMLStyleSheet_h_
michael@0: 
michael@0: #include "nsAutoPtr.h"
michael@0: #include "nsColor.h"
michael@0: #include "nsCOMPtr.h"
michael@0: #include "nsIStyleRule.h"
michael@0: #include "nsIStyleRuleProcessor.h"
michael@0: #include "pldhash.h"
michael@0: #include "mozilla/Attributes.h"
michael@0: #include "mozilla/MemoryReporting.h"
michael@0: #include "nsString.h"
michael@0: 
michael@0: class nsIDocument;
michael@0: class nsMappedAttributes;
michael@0: 
michael@0: class nsHTMLStyleSheet MOZ_FINAL : public nsIStyleRuleProcessor
michael@0: {
michael@0: public:
michael@0:   nsHTMLStyleSheet(nsIDocument* aDocument);
michael@0: 
michael@0:   void SetOwningDocument(nsIDocument* aDocument);
michael@0: 
michael@0:   NS_DECL_ISUPPORTS
michael@0: 
michael@0:   // nsIStyleRuleProcessor API
michael@0:   virtual void RulesMatching(ElementRuleProcessorData* aData) MOZ_OVERRIDE;
michael@0:   virtual void RulesMatching(PseudoElementRuleProcessorData* aData) MOZ_OVERRIDE;
michael@0:   virtual void RulesMatching(AnonBoxRuleProcessorData* aData) MOZ_OVERRIDE;
michael@0: #ifdef MOZ_XUL
michael@0:   virtual void RulesMatching(XULTreeRuleProcessorData* aData) MOZ_OVERRIDE;
michael@0: #endif
michael@0:   virtual nsRestyleHint HasStateDependentStyle(StateRuleProcessorData* aData) MOZ_OVERRIDE;
michael@0:   virtual nsRestyleHint HasStateDependentStyle(PseudoElementStateRuleProcessorData* aData) MOZ_OVERRIDE;
michael@0:   virtual bool HasDocumentStateDependentStyle(StateRuleProcessorData* aData) MOZ_OVERRIDE;
michael@0:   virtual nsRestyleHint
michael@0:     HasAttributeDependentStyle(AttributeRuleProcessorData* aData) MOZ_OVERRIDE;
michael@0:   virtual bool MediumFeaturesChanged(nsPresContext* aPresContext) MOZ_OVERRIDE;
michael@0:   virtual size_t SizeOfExcludingThis(mozilla::MallocSizeOf aMallocSizeOf)
michael@0:     const MOZ_MUST_OVERRIDE MOZ_OVERRIDE;
michael@0:   virtual size_t SizeOfIncludingThis(mozilla::MallocSizeOf aMallocSizeOf)
michael@0:     const MOZ_MUST_OVERRIDE MOZ_OVERRIDE;
michael@0:   size_t DOMSizeOfIncludingThis(mozilla::MallocSizeOf aMallocSizeOf) const;
michael@0: 
michael@0:   void Reset();
michael@0:   nsresult SetLinkColor(nscolor aColor);
michael@0:   nsresult SetActiveLinkColor(nscolor aColor);
michael@0:   nsresult SetVisitedLinkColor(nscolor aColor);
michael@0: 
michael@0:   // Mapped Attribute management methods
michael@0:   already_AddRefed<nsMappedAttributes>
michael@0:     UniqueMappedAttributes(nsMappedAttributes* aMapped);
michael@0:   void DropMappedAttributes(nsMappedAttributes* aMapped);
michael@0: 
michael@0:   nsIStyleRule* LangRuleFor(const nsString& aLanguage);
michael@0: 
michael@0: private: 
michael@0:   nsHTMLStyleSheet(const nsHTMLStyleSheet& aCopy) MOZ_DELETE;
michael@0:   nsHTMLStyleSheet& operator=(const nsHTMLStyleSheet& aCopy) MOZ_DELETE;
michael@0: 
michael@0:   ~nsHTMLStyleSheet();
michael@0: 
michael@0:   class HTMLColorRule;
michael@0:   friend class HTMLColorRule;
michael@0:   class HTMLColorRule MOZ_FINAL : public nsIStyleRule {
michael@0:   public:
michael@0:     HTMLColorRule() {}
michael@0: 
michael@0:     NS_DECL_ISUPPORTS
michael@0: 
michael@0:     // nsIStyleRule interface
michael@0:     virtual void MapRuleInfoInto(nsRuleData* aRuleData) MOZ_OVERRIDE;
michael@0:   #ifdef DEBUG
michael@0:     virtual void List(FILE* out = stdout, int32_t aIndent = 0) const MOZ_OVERRIDE;
michael@0:   #endif
michael@0: 
michael@0:     nscolor             mColor;
michael@0:   };
michael@0: 
michael@0:   // Implementation of SetLink/VisitedLink/ActiveLinkColor
michael@0:   nsresult ImplLinkColorSetter(nsRefPtr<HTMLColorRule>& aRule, nscolor aColor);
michael@0: 
michael@0:   class GenericTableRule;
michael@0:   friend class GenericTableRule;
michael@0:   class GenericTableRule : public nsIStyleRule {
michael@0:   public:
michael@0:     GenericTableRule() {}
michael@0:     virtual ~GenericTableRule() {}
michael@0: 
michael@0:     NS_DECL_ISUPPORTS
michael@0: 
michael@0:     // nsIStyleRule interface
michael@0:     virtual void MapRuleInfoInto(nsRuleData* aRuleData) MOZ_OVERRIDE = 0;
michael@0:   #ifdef DEBUG
michael@0:     virtual void List(FILE* out = stdout, int32_t aIndent = 0) const MOZ_OVERRIDE;
michael@0:   #endif
michael@0:   };
michael@0: 
michael@0:   // this rule handles <th> inheritance
michael@0:   class TableTHRule;
michael@0:   friend class TableTHRule;
michael@0:   class TableTHRule MOZ_FINAL : public GenericTableRule {
michael@0:   public:
michael@0:     TableTHRule() {}
michael@0: 
michael@0:     virtual void MapRuleInfoInto(nsRuleData* aRuleData) MOZ_OVERRIDE;
michael@0:   };
michael@0: 
michael@0:   // Rule to handle quirk table colors
michael@0:   class TableQuirkColorRule MOZ_FINAL : public GenericTableRule {
michael@0:   public:
michael@0:     TableQuirkColorRule() {}
michael@0: 
michael@0:     virtual void MapRuleInfoInto(nsRuleData* aRuleData) MOZ_OVERRIDE;
michael@0:   };
michael@0: 
michael@0: public: // for mLangRuleTable structures only
michael@0: 
michael@0:   // Rule to handle xml:lang attributes, of which we have exactly one
michael@0:   // per language string, maintained in mLangRuleTable.
michael@0:   class LangRule MOZ_FINAL : public nsIStyleRule {
michael@0:   public:
michael@0:     LangRule(const nsSubstring& aLang) : mLang(aLang) {}
michael@0: 
michael@0:     NS_DECL_ISUPPORTS
michael@0: 
michael@0:     // nsIStyleRule interface
michael@0:     virtual void MapRuleInfoInto(nsRuleData* aRuleData) MOZ_OVERRIDE;
michael@0:   #ifdef DEBUG
michael@0:     virtual void List(FILE* out = stdout, int32_t aIndent = 0) const MOZ_OVERRIDE;
michael@0:   #endif
michael@0: 
michael@0:     nsString mLang;
michael@0:   };
michael@0: 
michael@0: private:
michael@0:   nsIDocument*            mDocument;
michael@0:   nsRefPtr<HTMLColorRule> mLinkRule;
michael@0:   nsRefPtr<HTMLColorRule> mVisitedRule;
michael@0:   nsRefPtr<HTMLColorRule> mActiveRule;
michael@0:   nsRefPtr<TableQuirkColorRule> mTableQuirkColorRule;
michael@0:   nsRefPtr<TableTHRule>   mTableTHRule;
michael@0: 
michael@0:   PLDHashTable            mMappedAttrTable;
michael@0:   PLDHashTable            mLangRuleTable;
michael@0: };
michael@0: 
michael@0: #endif /* !defined(nsHTMLStyleSheet_h_) */