/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ /* vim: set ts=8 sts=2 et sw=2 tw=80: */ /* This Source Code Form is subject to the terms of the Mozilla Public * License, v. 2.0. If a copy of the MPL was not distributed with this * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ #ifndef mozilla_CSSFontFaceRule_h #define mozilla_CSSFontFaceRule_h #include "mozilla/ServoBindingTypes.h" #include "mozilla/css/Rule.h" #include "nsICSSDeclaration.h" namespace mozilla::dom { // A CSSFontFaceRuleDecl is always embeded in a CSSFontFaceRule. class CSSFontFaceRule; class CSSFontFaceRuleDecl final : public nsICSSDeclaration { public: NS_DECL_ISUPPORTS_INHERITED NS_DECL_NSIDOMCSSSTYLEDECLARATION_HELPER nsINode* GetAssociatedNode() const final; nsISupports* GetParentObject() const final; void IndexedGetter(uint32_t aIndex, bool& aFound, nsACString& aPropName) final; void GetPropertyValue(nsCSSFontDesc aFontDescID, nsACString& aResult) const; JSObject* WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) final; protected: // For accessing the constructor. friend class CSSFontFaceRule; explicit CSSFontFaceRuleDecl(already_AddRefed<StyleLockedFontFaceRule> aDecl) : mRawRule(std::move(aDecl)) {} ~CSSFontFaceRuleDecl() = default; inline CSSFontFaceRule* ContainingRule(); inline const CSSFontFaceRule* ContainingRule() const; RefPtr<StyleLockedFontFaceRule> mRawRule; void SetRawAfterClone(RefPtr<StyleLockedFontFaceRule>); private: void* operator new(size_t size) noexcept(true) = delete; }; class CSSFontFaceRule final : public css::Rule { public: CSSFontFaceRule(already_AddRefed<StyleLockedFontFaceRule> aRawRule, StyleSheet* aSheet, css::Rule* aParentRule, uint32_t aLine, uint32_t aColumn) : css::Rule(aSheet, aParentRule, aLine, aColumn), mDecl(std::move(aRawRule)) {} CSSFontFaceRule(const CSSFontFaceRule&) = delete; NS_DECL_ISUPPORTS_INHERITED NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS_INHERITED(CSSFontFaceRule, css::Rule) bool IsCCLeaf() const final; StyleLockedFontFaceRule* Raw() const { return mDecl.mRawRule; } void SetRawAfterClone(RefPtr<StyleLockedFontFaceRule>); // WebIDL interface StyleCssRuleType Type() const final; void GetCssText(nsACString& aCssText) const final; nsICSSDeclaration* Style(); // Methods of mozilla::css::Rule size_t SizeOfIncludingThis(mozilla::MallocSizeOf aMallocSizeOf) const final; JSObject* WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) final; #ifdef DEBUG void List(FILE* out = stdout, int32_t aIndent = 0) const final; #endif private: virtual ~CSSFontFaceRule() = default; // For computing the offset of mDecl. friend class CSSFontFaceRuleDecl; CSSFontFaceRuleDecl mDecl; }; inline CSSFontFaceRule* CSSFontFaceRuleDecl::ContainingRule() { return reinterpret_cast<CSSFontFaceRule*>(reinterpret_cast<char*>(this) - offsetof(CSSFontFaceRule, mDecl)); } inline const CSSFontFaceRule* CSSFontFaceRuleDecl::ContainingRule() const { return reinterpret_cast<const CSSFontFaceRule*>( reinterpret_cast<const char*>(this) - offsetof(CSSFontFaceRule, mDecl)); } } // namespace mozilla::dom #endif // mozilla_CSSFontFaceRule_h