зеркало из https://github.com/mozilla/gecko-dev.git
108 строки
3.0 KiB
C++
108 строки
3.0 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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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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#ifndef mozilla_ServoFontFaceRule_h
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#define mozilla_ServoFontFaceRule_h
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#include "mozilla/ServoBindingTypes.h"
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#include "mozilla/css/Rule.h"
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#include "nsICSSDeclaration.h"
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namespace mozilla {
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// A ServoFontFaceRuleDecl is always embeded in a ServoFontFaceRule.
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class ServoFontFaceRule;
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class ServoFontFaceRuleDecl final : public nsICSSDeclaration
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{
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public:
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NS_DECL_ISUPPORTS_INHERITED
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NS_DECL_NSIDOMCSSSTYLEDECLARATION_HELPER
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nsINode* GetParentObject() final;
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void IndexedGetter(uint32_t aIndex, bool& aFound, nsAString& aPropName) final;
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void GetPropertyValue(nsCSSFontDesc aFontDescID, nsAString& aResult) const;
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JSObject* WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) final;
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protected:
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// For accessing the constructor.
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friend class ServoFontFaceRule;
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explicit ServoFontFaceRuleDecl(already_AddRefed<RawServoFontFaceRule> aDecl)
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: mRawRule(std::move(aDecl)) {}
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~ServoFontFaceRuleDecl() = default;
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inline ServoFontFaceRule* ContainingRule();
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inline const ServoFontFaceRule* ContainingRule() const;
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RefPtr<RawServoFontFaceRule> mRawRule;
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private:
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void* operator new(size_t size) CPP_THROW_NEW = delete;
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};
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class ServoFontFaceRule final : public css::Rule
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{
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public:
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ServoFontFaceRule(already_AddRefed<RawServoFontFaceRule> aRawRule,
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uint32_t aLine, uint32_t aColumn)
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: css::Rule(aLine, aColumn)
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, mDecl(std::move(aRawRule))
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{}
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ServoFontFaceRule(const ServoFontFaceRule&) = delete;
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NS_DECL_ISUPPORTS_INHERITED
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NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS_INHERITED(
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ServoFontFaceRule, css::Rule)
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bool IsCCLeaf() const final;
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RawServoFontFaceRule* Raw() const { return mDecl.mRawRule; }
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// WebIDL interface
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uint16_t Type() const final;
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void GetCssText(nsAString& aCssText) const final;
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nsICSSDeclaration* Style();
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// Methods of mozilla::css::Rule
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size_t SizeOfIncludingThis(mozilla::MallocSizeOf aMallocSizeOf)
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const final;
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JSObject* WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) final;
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#ifdef DEBUG
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void List(FILE* out = stdout, int32_t aIndent = 0) const final;
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#endif
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private:
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virtual ~ServoFontFaceRule() = default;
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// For computing the offset of mDecl.
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friend class ServoFontFaceRuleDecl;
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ServoFontFaceRuleDecl mDecl;
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};
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inline ServoFontFaceRule*
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ServoFontFaceRuleDecl::ContainingRule()
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{
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return reinterpret_cast<ServoFontFaceRule*>
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(reinterpret_cast<char*>(this) - offsetof(ServoFontFaceRule, mDecl));
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}
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inline const ServoFontFaceRule*
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ServoFontFaceRuleDecl::ContainingRule() const
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{
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return reinterpret_cast<const ServoFontFaceRule*>
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(reinterpret_cast<const char*>(this) - offsetof(ServoFontFaceRule, mDecl));
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}
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} // namespace mozilla
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#endif // mozilla_ServoFontFaceRule_h
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