michael@0: /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
michael@0: // vim:cindent:ts=2:et:sw=2:
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: /* rules in a CSS stylesheet other than style rules (e.g., @import rules) */
michael@0: 
michael@0: #ifndef nsCSSRules_h_
michael@0: #define nsCSSRules_h_
michael@0: 
michael@0: #include "mozilla/Attributes.h"
michael@0: 
michael@0: #include "mozilla/MemoryReporting.h"
michael@0: #include "mozilla/css/GroupRule.h"
michael@0: #include "mozilla/Preferences.h"
michael@0: #include "nsIDOMCSSConditionRule.h"
michael@0: #include "nsIDOMCSSFontFaceRule.h"
michael@0: #include "nsIDOMCSSFontFeatureValuesRule.h"
michael@0: #include "nsIDOMCSSGroupingRule.h"
michael@0: #include "nsIDOMCSSMediaRule.h"
michael@0: #include "nsIDOMCSSMozDocumentRule.h"
michael@0: #include "nsIDOMCSSSupportsRule.h"
michael@0: #include "nsIDOMMozCSSKeyframeRule.h"
michael@0: #include "nsIDOMMozCSSKeyframesRule.h"
michael@0: #include "nsAutoPtr.h"
michael@0: #include "nsCSSProperty.h"
michael@0: #include "nsCSSValue.h"
michael@0: #include "nsIDOMCSSCharsetRule.h"
michael@0: #include "nsTArray.h"
michael@0: #include "nsDOMCSSDeclaration.h"
michael@0: #include "Declaration.h"
michael@0: #include "nsIDOMCSSPageRule.h"
michael@0: #include "StyleRule.h"
michael@0: #include "gfxFontFeatures.h"
michael@0: 
michael@0: class nsMediaList;
michael@0: 
michael@0: namespace mozilla {
michael@0: 
michael@0: class ErrorResult;
michael@0: 
michael@0: namespace css {
michael@0: 
michael@0: class MediaRule MOZ_FINAL : public GroupRule,
michael@0:                             public nsIDOMCSSMediaRule
michael@0: {
michael@0: public:
michael@0:   MediaRule();
michael@0: private:
michael@0:   MediaRule(const MediaRule& aCopy);
michael@0:   ~MediaRule();
michael@0: public:
michael@0: 
michael@0:   NS_DECL_ISUPPORTS_INHERITED
michael@0: 
michael@0:   // nsIStyleRule methods
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:   // Rule methods
michael@0:   virtual void SetStyleSheet(nsCSSStyleSheet* aSheet); //override GroupRule
michael@0:   virtual int32_t GetType() const;
michael@0:   virtual already_AddRefed<Rule> Clone() const;
michael@0:   virtual nsIDOMCSSRule* GetDOMRule()
michael@0:   {
michael@0:     return this;
michael@0:   }
michael@0:   virtual nsIDOMCSSRule* GetExistingDOMRule()
michael@0:   {
michael@0:     return this;
michael@0:   }
michael@0: 
michael@0:   // nsIDOMCSSRule interface
michael@0:   NS_DECL_NSIDOMCSSRULE
michael@0: 
michael@0:   // nsIDOMCSSGroupingRule interface
michael@0:   NS_DECL_NSIDOMCSSGROUPINGRULE
michael@0: 
michael@0:   // nsIDOMCSSConditionRule interface
michael@0:   NS_DECL_NSIDOMCSSCONDITIONRULE
michael@0: 
michael@0:   // nsIDOMCSSMediaRule interface
michael@0:   NS_DECL_NSIDOMCSSMEDIARULE
michael@0: 
michael@0:   // rest of GroupRule
michael@0:   virtual bool UseForPresentation(nsPresContext* aPresContext,
michael@0:                                     nsMediaQueryResultCacheKey& aKey);
michael@0: 
michael@0:   // @media rule methods
michael@0:   nsresult SetMedia(nsMediaList* aMedia);
michael@0:   
michael@0:   virtual size_t SizeOfIncludingThis(mozilla::MallocSizeOf aMallocSizeOf)
michael@0:     const MOZ_MUST_OVERRIDE;
michael@0: 
michael@0: protected:
michael@0:   void AppendConditionText(nsAString& aOutput);
michael@0: 
michael@0:   nsRefPtr<nsMediaList> mMedia;
michael@0: };
michael@0: 
michael@0: class DocumentRule MOZ_FINAL : public GroupRule,
michael@0:                                public nsIDOMCSSMozDocumentRule
michael@0: {
michael@0: public:
michael@0:   DocumentRule();
michael@0: private:
michael@0:   DocumentRule(const DocumentRule& aCopy);
michael@0:   ~DocumentRule();
michael@0: public:
michael@0: 
michael@0:   NS_DECL_ISUPPORTS_INHERITED
michael@0: 
michael@0:   // nsIStyleRule methods
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:   // Rule methods
michael@0:   virtual int32_t GetType() const;
michael@0:   virtual already_AddRefed<Rule> Clone() const;
michael@0:   virtual nsIDOMCSSRule* GetDOMRule()
michael@0:   {
michael@0:     return this;
michael@0:   }
michael@0:   virtual nsIDOMCSSRule* GetExistingDOMRule()
michael@0:   {
michael@0:     return this;
michael@0:   }
michael@0: 
michael@0:   // nsIDOMCSSRule interface
michael@0:   NS_DECL_NSIDOMCSSRULE
michael@0: 
michael@0:   // nsIDOMCSSGroupingRule interface
michael@0:   NS_DECL_NSIDOMCSSGROUPINGRULE
michael@0: 
michael@0:   // nsIDOMCSSConditionRule interface
michael@0:   NS_DECL_NSIDOMCSSCONDITIONRULE
michael@0: 
michael@0:   // nsIDOMCSSMozDocumentRule interface
michael@0:   NS_DECL_NSIDOMCSSMOZDOCUMENTRULE
michael@0: 
michael@0:   // rest of GroupRule
michael@0:   virtual bool UseForPresentation(nsPresContext* aPresContext,
michael@0:                                     nsMediaQueryResultCacheKey& aKey);
michael@0: 
michael@0:   enum Function {
michael@0:     eURL,
michael@0:     eURLPrefix,
michael@0:     eDomain,
michael@0:     eRegExp
michael@0:   };
michael@0: 
michael@0:   struct URL {
michael@0:     Function func;
michael@0:     nsCString url;
michael@0:     URL *next;
michael@0: 
michael@0:     URL() : next(nullptr) {}
michael@0:     URL(const URL& aOther)
michael@0:       : func(aOther.func)
michael@0:       , url(aOther.url)
michael@0:       , next(aOther.next ? new URL(*aOther.next) : nullptr)
michael@0:     {
michael@0:     }
michael@0:     ~URL();
michael@0:   };
michael@0: 
michael@0:   void SetURLs(URL *aURLs) { mURLs = aURLs; }
michael@0: 
michael@0:   virtual size_t SizeOfIncludingThis(mozilla::MallocSizeOf aMallocSizeOf)
michael@0:     const MOZ_MUST_OVERRIDE;
michael@0: 
michael@0: protected:
michael@0:   void AppendConditionText(nsAString& aOutput);
michael@0: 
michael@0:   nsAutoPtr<URL> mURLs; // linked list of |struct URL| above.
michael@0: };
michael@0: 
michael@0: } // namespace css
michael@0: } // namespace mozilla
michael@0: 
michael@0: // A nsCSSFontFaceStyleDecl is always embedded in a nsCSSFontFaceRule.
michael@0: class nsCSSFontFaceRule;
michael@0: class nsCSSFontFaceStyleDecl : public nsICSSDeclaration
michael@0: {
michael@0: public:
michael@0:   NS_DECL_ISUPPORTS_INHERITED
michael@0:   NS_DECL_NSIDOMCSSSTYLEDECLARATION_HELPER
michael@0:   NS_DECL_NSICSSDECLARATION
michael@0:   virtual already_AddRefed<mozilla::dom::CSSValue>
michael@0:   GetPropertyCSSValue(const nsAString& aProp, mozilla::ErrorResult& aRv)
michael@0:     MOZ_OVERRIDE;
michael@0:   using nsICSSDeclaration::GetPropertyCSSValue;
michael@0: 
michael@0:   nsCSSFontFaceStyleDecl()
michael@0:   {
michael@0:     SetIsDOMBinding();
michael@0:   }
michael@0: 
michael@0:   virtual nsINode *GetParentObject() MOZ_OVERRIDE;
michael@0:   virtual void IndexedGetter(uint32_t aIndex, bool& aFound, nsAString& aPropName) MOZ_OVERRIDE;
michael@0: 
michael@0:   nsresult GetPropertyValue(nsCSSFontDesc aFontDescID,
michael@0:                             nsAString & aResult) const;
michael@0: 
michael@0:   virtual JSObject* WrapObject(JSContext *cx) MOZ_OVERRIDE;
michael@0: 
michael@0: protected:
michael@0:   friend class nsCSSFontFaceRule;
michael@0: #define CSS_FONT_DESC(name_, method_) nsCSSValue m##method_;
michael@0: #include "nsCSSFontDescList.h"
michael@0: #undef CSS_FONT_DESC
michael@0: 
michael@0:   static nsCSSValue nsCSSFontFaceStyleDecl::* const Fields[];
michael@0:   inline nsCSSFontFaceRule* ContainingRule();
michael@0:   inline const nsCSSFontFaceRule* ContainingRule() const;
michael@0: 
michael@0: private:
michael@0:   // NOT TO BE IMPLEMENTED
michael@0:   // This object cannot be allocated on its own, only as part of
michael@0:   // nsCSSFontFaceRule.
michael@0:   void* operator new(size_t size) CPP_THROW_NEW;
michael@0: };
michael@0: 
michael@0: class nsCSSFontFaceRule MOZ_FINAL : public mozilla::css::Rule,
michael@0:                                     public nsIDOMCSSFontFaceRule
michael@0: {
michael@0: public:
michael@0:   nsCSSFontFaceRule() {}
michael@0: 
michael@0:   nsCSSFontFaceRule(const nsCSSFontFaceRule& aCopy)
michael@0:     // copy everything except our reference count
michael@0:     : mozilla::css::Rule(aCopy), mDecl(aCopy.mDecl) {}
michael@0: 
michael@0:   NS_DECL_CYCLE_COLLECTING_ISUPPORTS
michael@0:   NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS_AMBIGUOUS(nsCSSFontFaceRule,
michael@0:                                                          mozilla::css::Rule)
michael@0: 
michael@0:   // nsIStyleRule methods
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:   // Rule methods
michael@0:   DECL_STYLE_RULE_INHERIT
michael@0: 
michael@0:   virtual int32_t GetType() const MOZ_OVERRIDE;
michael@0:   virtual already_AddRefed<mozilla::css::Rule> Clone() const;
michael@0: 
michael@0:   // nsIDOMCSSRule interface
michael@0:   NS_DECL_NSIDOMCSSRULE
michael@0: 
michael@0:   // nsIDOMCSSFontFaceRule interface
michael@0:   NS_DECL_NSIDOMCSSFONTFACERULE
michael@0: 
michael@0:   void SetDesc(nsCSSFontDesc aDescID, nsCSSValue const & aValue);
michael@0:   void GetDesc(nsCSSFontDesc aDescID, nsCSSValue & aValue);
michael@0: 
michael@0:   virtual size_t SizeOfIncludingThis(mozilla::MallocSizeOf aMallocSizeOf) const MOZ_OVERRIDE;
michael@0: 
michael@0: protected:
michael@0:   friend class nsCSSFontFaceStyleDecl;
michael@0:   nsCSSFontFaceStyleDecl mDecl;
michael@0: };
michael@0: 
michael@0: // nsFontFaceRuleContainer - used for associating sheet type with
michael@0: // specific @font-face rules
michael@0: struct nsFontFaceRuleContainer {
michael@0:   nsRefPtr<nsCSSFontFaceRule> mRule;
michael@0:   uint8_t mSheetType;
michael@0: };
michael@0: 
michael@0: inline nsCSSFontFaceRule*
michael@0: nsCSSFontFaceStyleDecl::ContainingRule()
michael@0: {
michael@0:   return reinterpret_cast<nsCSSFontFaceRule*>
michael@0:     (reinterpret_cast<char*>(this) - offsetof(nsCSSFontFaceRule, mDecl));
michael@0: }
michael@0: 
michael@0: inline const nsCSSFontFaceRule*
michael@0: nsCSSFontFaceStyleDecl::ContainingRule() const
michael@0: {
michael@0:   return reinterpret_cast<const nsCSSFontFaceRule*>
michael@0:     (reinterpret_cast<const char*>(this) - offsetof(nsCSSFontFaceRule, mDecl));
michael@0: }
michael@0: 
michael@0: class nsCSSFontFeatureValuesRule MOZ_FINAL :
michael@0:                                        public mozilla::css::Rule,
michael@0:                                        public nsIDOMCSSFontFeatureValuesRule
michael@0: {
michael@0: public:
michael@0:   nsCSSFontFeatureValuesRule() {}
michael@0: 
michael@0:   nsCSSFontFeatureValuesRule(const nsCSSFontFeatureValuesRule& aCopy)
michael@0:     // copy everything except our reference count
michael@0:     : mozilla::css::Rule(aCopy),
michael@0:       mFamilyList(aCopy.mFamilyList),
michael@0:       mFeatureValues(aCopy.mFeatureValues) {}
michael@0: 
michael@0:   NS_DECL_ISUPPORTS
michael@0: 
michael@0:   // nsIStyleRule methods
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:   // Rule methods
michael@0:   DECL_STYLE_RULE_INHERIT
michael@0: 
michael@0:   virtual int32_t GetType() const MOZ_OVERRIDE;
michael@0:   virtual already_AddRefed<mozilla::css::Rule> Clone() const MOZ_OVERRIDE;
michael@0: 
michael@0:   // nsIDOMCSSRule interface
michael@0:   NS_DECL_NSIDOMCSSRULE
michael@0: 
michael@0:   // nsIDOMCSSFontFaceRule interface
michael@0:   NS_DECL_NSIDOMCSSFONTFEATUREVALUESRULE
michael@0: 
michael@0:   const nsTArray<nsString>& GetFamilyList() { return mFamilyList; }
michael@0:   void SetFamilyList(const nsAString& aFamilyList, bool& aContainsGeneric);
michael@0: 
michael@0:   void AddValueList(int32_t aVariantAlternate,
michael@0:                     nsTArray<gfxFontFeatureValueSet::ValueList>& aValueList);
michael@0: 
michael@0:   const nsTArray<gfxFontFeatureValueSet::FeatureValues>& GetFeatureValues()
michael@0:   {
michael@0:     return mFeatureValues;
michael@0:   }
michael@0: 
michael@0:   virtual size_t SizeOfIncludingThis(mozilla::MallocSizeOf aMallocSizeOf) const MOZ_OVERRIDE;
michael@0: 
michael@0:   static bool PrefEnabled()
michael@0:   {
michael@0:     // font-variant-alternates enabled ==> layout.css.font-features.enabled is true
michael@0:     bool fontFeaturesEnabled =
michael@0:       nsCSSProps::IsEnabled(eCSSProperty_font_variant_alternates);
michael@0: 
michael@0:     return fontFeaturesEnabled;
michael@0:   }
michael@0: 
michael@0: protected:
michael@0:   nsTArray<nsString> mFamilyList;
michael@0:   nsTArray<gfxFontFeatureValueSet::FeatureValues> mFeatureValues;
michael@0: };
michael@0: 
michael@0: namespace mozilla {
michael@0: namespace css {
michael@0: 
michael@0: class CharsetRule MOZ_FINAL : public Rule,
michael@0:                               public nsIDOMCSSCharsetRule
michael@0: {
michael@0: public:
michael@0:   CharsetRule(const nsAString& aEncoding);
michael@0: private:
michael@0:   // For |Clone|
michael@0:   CharsetRule(const CharsetRule& aCopy);
michael@0:   ~CharsetRule() {}
michael@0: 
michael@0: public:
michael@0:   NS_DECL_ISUPPORTS
michael@0: 
michael@0:   DECL_STYLE_RULE_INHERIT
michael@0: 
michael@0:   // nsIStyleRule methods
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:   // Rule methods
michael@0:   virtual int32_t GetType() const;
michael@0:   virtual already_AddRefed<Rule> Clone() const;
michael@0: 
michael@0:   // nsIDOMCSSRule interface
michael@0:   NS_DECL_NSIDOMCSSRULE
michael@0: 
michael@0:   // nsIDOMCSSCharsetRule methods
michael@0:   NS_IMETHOD GetEncoding(nsAString& aEncoding) MOZ_OVERRIDE;
michael@0:   NS_IMETHOD SetEncoding(const nsAString& aEncoding) MOZ_OVERRIDE;
michael@0: 
michael@0:   virtual size_t SizeOfIncludingThis(mozilla::MallocSizeOf aMallocSizeOf) const;
michael@0: 
michael@0: private:
michael@0:   nsString  mEncoding;
michael@0: };
michael@0: 
michael@0: } // namespace css
michael@0: } // namespace mozilla
michael@0: 
michael@0: class nsCSSKeyframeRule;
michael@0: 
michael@0: class nsCSSKeyframeStyleDeclaration MOZ_FINAL : public nsDOMCSSDeclaration
michael@0: {
michael@0: public:
michael@0:   nsCSSKeyframeStyleDeclaration(nsCSSKeyframeRule *aRule);
michael@0:   virtual ~nsCSSKeyframeStyleDeclaration();
michael@0: 
michael@0:   NS_IMETHOD GetParentRule(nsIDOMCSSRule **aParent) MOZ_OVERRIDE;
michael@0:   void DropReference() { mRule = nullptr; }
michael@0:   virtual mozilla::css::Declaration* GetCSSDeclaration(bool aAllocate) MOZ_OVERRIDE;
michael@0:   virtual nsresult SetCSSDeclaration(mozilla::css::Declaration* aDecl) MOZ_OVERRIDE;
michael@0:   virtual void GetCSSParsingEnvironment(CSSParsingEnvironment& aCSSParseEnv) MOZ_OVERRIDE;
michael@0:   virtual nsIDocument* DocToUpdate() MOZ_OVERRIDE;
michael@0: 
michael@0:   NS_DECL_CYCLE_COLLECTING_ISUPPORTS
michael@0:   NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS_AMBIGUOUS(nsCSSKeyframeStyleDeclaration,
michael@0:                                                          nsICSSDeclaration)
michael@0: 
michael@0:   virtual nsINode* GetParentObject() MOZ_OVERRIDE;
michael@0: 
michael@0: protected:
michael@0:   // This reference is not reference-counted. The rule object tells us
michael@0:   // when it's about to go away.
michael@0:   nsCSSKeyframeRule *mRule;
michael@0: };
michael@0: 
michael@0: class nsCSSKeyframeRule MOZ_FINAL : public mozilla::css::Rule,
michael@0:                                     public nsIDOMMozCSSKeyframeRule
michael@0: {
michael@0: public:
michael@0:   // WARNING: Steals the contents of aKeys *and* aDeclaration
michael@0:   nsCSSKeyframeRule(InfallibleTArray<float>& aKeys,
michael@0:                     nsAutoPtr<mozilla::css::Declaration> aDeclaration)
michael@0:     : mDeclaration(aDeclaration)
michael@0:   {
michael@0:     mKeys.SwapElements(aKeys);
michael@0:   }
michael@0: private:
michael@0:   nsCSSKeyframeRule(const nsCSSKeyframeRule& aCopy);
michael@0:   ~nsCSSKeyframeRule();
michael@0: public:
michael@0:   NS_DECL_CYCLE_COLLECTING_ISUPPORTS
michael@0:   NS_DECL_CYCLE_COLLECTION_CLASS_AMBIGUOUS(nsCSSKeyframeRule, nsIStyleRule)
michael@0: 
michael@0:   // nsIStyleRule methods
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:   // Rule methods
michael@0:   DECL_STYLE_RULE_INHERIT
michael@0:   virtual int32_t GetType() const MOZ_OVERRIDE;
michael@0:   virtual already_AddRefed<mozilla::css::Rule> Clone() const;
michael@0: 
michael@0:   // nsIDOMCSSRule interface
michael@0:   NS_DECL_NSIDOMCSSRULE
michael@0: 
michael@0:   // nsIDOMMozCSSKeyframeRule interface
michael@0:   NS_DECL_NSIDOMMOZCSSKEYFRAMERULE
michael@0: 
michael@0:   const nsTArray<float>& GetKeys() const     { return mKeys; }
michael@0:   mozilla::css::Declaration* Declaration()   { return mDeclaration; }
michael@0: 
michael@0:   void ChangeDeclaration(mozilla::css::Declaration* aDeclaration);
michael@0: 
michael@0:   virtual size_t SizeOfIncludingThis(mozilla::MallocSizeOf aMallocSizeOf) const MOZ_OVERRIDE;
michael@0: 
michael@0:   void DoGetKeyText(nsAString &aKeyText) const;
michael@0: 
michael@0: private:
michael@0:   nsTArray<float>                            mKeys;
michael@0:   nsAutoPtr<mozilla::css::Declaration>       mDeclaration;
michael@0:   // lazily created when needed:
michael@0:   nsRefPtr<nsCSSKeyframeStyleDeclaration>    mDOMDeclaration;
michael@0: };
michael@0: 
michael@0: class nsCSSKeyframesRule MOZ_FINAL : public mozilla::css::GroupRule,
michael@0:                                      public nsIDOMMozCSSKeyframesRule
michael@0: {
michael@0: public:
michael@0:   nsCSSKeyframesRule(const nsSubstring& aName)
michael@0:     : mName(aName)
michael@0:   {
michael@0:   }
michael@0: private:
michael@0:   nsCSSKeyframesRule(const nsCSSKeyframesRule& aCopy);
michael@0:   ~nsCSSKeyframesRule();
michael@0: public:
michael@0:   NS_DECL_ISUPPORTS_INHERITED
michael@0: 
michael@0:   // nsIStyleRule methods
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:   // Rule methods
michael@0:   virtual int32_t GetType() const;
michael@0:   virtual already_AddRefed<mozilla::css::Rule> Clone() const;
michael@0:   virtual nsIDOMCSSRule* GetDOMRule()
michael@0:   {
michael@0:     return this;
michael@0:   }
michael@0:   virtual nsIDOMCSSRule* GetExistingDOMRule()
michael@0:   {
michael@0:     return this;
michael@0:   }
michael@0: 
michael@0:   // nsIDOMCSSRule interface
michael@0:   NS_DECL_NSIDOMCSSRULE
michael@0: 
michael@0:   // nsIDOMMozCSSKeyframesRule interface
michael@0:   NS_DECL_NSIDOMMOZCSSKEYFRAMESRULE
michael@0: 
michael@0:   // rest of GroupRule
michael@0:   virtual bool UseForPresentation(nsPresContext* aPresContext,
michael@0:                                     nsMediaQueryResultCacheKey& aKey) MOZ_OVERRIDE;
michael@0: 
michael@0:   const nsString& GetName() { return mName; }
michael@0: 
michael@0:   virtual size_t SizeOfIncludingThis(mozilla::MallocSizeOf aMallocSizeOf) const MOZ_OVERRIDE;
michael@0: 
michael@0: private:
michael@0:   uint32_t FindRuleIndexForKey(const nsAString& aKey);
michael@0: 
michael@0:   nsString                                   mName;
michael@0: };
michael@0: 
michael@0: class nsCSSPageRule;
michael@0: 
michael@0: class nsCSSPageStyleDeclaration MOZ_FINAL : public nsDOMCSSDeclaration
michael@0: {
michael@0: public:
michael@0:   nsCSSPageStyleDeclaration(nsCSSPageRule *aRule);
michael@0:   virtual ~nsCSSPageStyleDeclaration();
michael@0: 
michael@0:   NS_IMETHOD GetParentRule(nsIDOMCSSRule **aParent) MOZ_OVERRIDE;
michael@0:   void DropReference() { mRule = nullptr; }
michael@0:   virtual mozilla::css::Declaration* GetCSSDeclaration(bool aAllocate) MOZ_OVERRIDE;
michael@0:   virtual nsresult SetCSSDeclaration(mozilla::css::Declaration* aDecl) MOZ_OVERRIDE;
michael@0:   virtual void GetCSSParsingEnvironment(CSSParsingEnvironment& aCSSParseEnv) MOZ_OVERRIDE;
michael@0:   virtual nsIDocument* DocToUpdate() MOZ_OVERRIDE;
michael@0: 
michael@0:   NS_DECL_CYCLE_COLLECTING_ISUPPORTS
michael@0:   NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS_AMBIGUOUS(nsCSSPageStyleDeclaration,
michael@0:                                                          nsICSSDeclaration)
michael@0: 
michael@0:   virtual nsINode *GetParentObject() MOZ_OVERRIDE;
michael@0: 
michael@0: protected:
michael@0:   // This reference is not reference-counted. The rule object tells us
michael@0:   // when it's about to go away.
michael@0:   nsCSSPageRule *mRule;
michael@0: };
michael@0: 
michael@0: class nsCSSPageRule MOZ_FINAL : public mozilla::css::Rule,
michael@0:                                 public nsIDOMCSSPageRule
michael@0: {
michael@0: public:
michael@0:   // WARNING: Steals the contents of aDeclaration
michael@0:   nsCSSPageRule(nsAutoPtr<mozilla::css::Declaration> aDeclaration)
michael@0:     : mDeclaration(aDeclaration),
michael@0:       mImportantRule(nullptr)
michael@0:   {
michael@0:   }
michael@0: private:
michael@0:   nsCSSPageRule(const nsCSSPageRule& aCopy);
michael@0:   ~nsCSSPageRule();
michael@0: public:
michael@0:   NS_DECL_CYCLE_COLLECTING_ISUPPORTS
michael@0:   NS_DECL_CYCLE_COLLECTION_CLASS_AMBIGUOUS(nsCSSPageRule, nsIDOMCSSPageRule)
michael@0: 
michael@0:   // nsIStyleRule methods
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:   // Rule methods
michael@0:   DECL_STYLE_RULE_INHERIT
michael@0:   virtual int32_t GetType() const MOZ_OVERRIDE;
michael@0:   virtual already_AddRefed<mozilla::css::Rule> Clone() const;
michael@0: 
michael@0:   // nsIDOMCSSRule interface
michael@0:   NS_DECL_NSIDOMCSSRULE
michael@0: 
michael@0:   // nsIDOMCSSPageRule interface
michael@0:   NS_DECL_NSIDOMCSSPAGERULE
michael@0: 
michael@0:   mozilla::css::Declaration* Declaration()   { return mDeclaration; }
michael@0: 
michael@0:   void ChangeDeclaration(mozilla::css::Declaration* aDeclaration);
michael@0: 
michael@0:   mozilla::css::ImportantRule* GetImportantRule();
michael@0: 
michael@0:   virtual size_t SizeOfIncludingThis(mozilla::MallocSizeOf aMallocSizeOf) const MOZ_OVERRIDE;
michael@0: private:
michael@0:   nsAutoPtr<mozilla::css::Declaration>    mDeclaration;
michael@0:   // lazily created when needed:
michael@0:   nsRefPtr<nsCSSPageStyleDeclaration>     mDOMDeclaration;
michael@0:   nsRefPtr<mozilla::css::ImportantRule>   mImportantRule;
michael@0: };
michael@0: 
michael@0: namespace mozilla {
michael@0: 
michael@0: class CSSSupportsRule : public css::GroupRule,
michael@0:                         public nsIDOMCSSSupportsRule
michael@0: {
michael@0: public:
michael@0:   CSSSupportsRule(bool aConditionMet, const nsString& aCondition);
michael@0:   CSSSupportsRule(const CSSSupportsRule& aCopy);
michael@0: 
michael@0:   // nsIStyleRule methods
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:   // Rule methods
michael@0:   virtual int32_t GetType() const;
michael@0:   virtual already_AddRefed<mozilla::css::Rule> Clone() const;
michael@0:   virtual bool UseForPresentation(nsPresContext* aPresContext,
michael@0:                                   nsMediaQueryResultCacheKey& aKey);
michael@0:   virtual nsIDOMCSSRule* GetDOMRule()
michael@0:   {
michael@0:     return this;
michael@0:   }
michael@0:   virtual nsIDOMCSSRule* GetExistingDOMRule()
michael@0:   {
michael@0:     return this;
michael@0:   }
michael@0: 
michael@0:   NS_DECL_ISUPPORTS_INHERITED
michael@0: 
michael@0:   // nsIDOMCSSRule interface
michael@0:   NS_DECL_NSIDOMCSSRULE
michael@0: 
michael@0:   // nsIDOMCSSGroupingRule interface
michael@0:   NS_DECL_NSIDOMCSSGROUPINGRULE
michael@0: 
michael@0:   // nsIDOMCSSConditionRule interface
michael@0:   NS_DECL_NSIDOMCSSCONDITIONRULE
michael@0: 
michael@0:   // nsIDOMCSSSupportsRule interface
michael@0:   NS_DECL_NSIDOMCSSSUPPORTSRULE
michael@0: 
michael@0:   virtual size_t SizeOfIncludingThis(mozilla::MallocSizeOf aMallocSizeOf) const;
michael@0: 
michael@0:   static bool PrefEnabled()
michael@0:   {
michael@0:     return Preferences::GetBool("layout.css.supports-rule.enabled");
michael@0:   }
michael@0: 
michael@0: protected:
michael@0:   bool mUseGroup;
michael@0:   nsString mCondition;
michael@0: };
michael@0: 
michael@0: } // namespace mozilla
michael@0: 
michael@0: #endif /* !defined(nsCSSRules_h_) */