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/* -*- 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
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