зеркало из https://github.com/mozilla/gecko-dev.git
98 строки
2.8 KiB
C++
98 строки
2.8 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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/* representation of CSSStyleRule for stylo */
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#ifndef mozilla_ServoStyleRule_h
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#define mozilla_ServoStyleRule_h
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#include "mozilla/BindingStyleRule.h"
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#include "mozilla/ServoBindingTypes.h"
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#include "nsIDOMCSSStyleRule.h"
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#include "nsDOMCSSDeclaration.h"
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namespace mozilla {
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class ServoDeclarationBlock;
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class ServoStyleRule;
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class ServoStyleRuleDeclaration final : public nsDOMCSSDeclaration
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{
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public:
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NS_DECL_ISUPPORTS_INHERITED
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NS_IMETHOD GetParentRule(nsIDOMCSSRule** aParent) final;
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nsINode* GetParentObject() final;
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protected:
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DeclarationBlock* GetCSSDeclaration(Operation aOperation) final;
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nsresult SetCSSDeclaration(DeclarationBlock* aDecl) final;
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nsIDocument* DocToUpdate() final;
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void GetCSSParsingEnvironment(CSSParsingEnvironment& aCSSParseEnv) final;
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private:
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// For accessing the constructor.
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friend class ServoStyleRule;
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explicit ServoStyleRuleDeclaration(
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already_AddRefed<RawServoDeclarationBlock> aDecls);
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~ServoStyleRuleDeclaration();
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inline ServoStyleRule* Rule();
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RefPtr<ServoDeclarationBlock> mDecls;
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};
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class ServoStyleRule final : public BindingStyleRule
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, public nsIDOMCSSStyleRule
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{
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public:
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explicit ServoStyleRule(already_AddRefed<RawServoStyleRule> aRawRule);
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NS_DECL_ISUPPORTS_INHERITED
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NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS_INHERITED(ServoStyleRule,
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css::Rule)
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virtual bool IsCCLeaf() const override MOZ_MUST_OVERRIDE;
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NS_DECL_NSIDOMCSSSTYLERULE
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// WebIDL interface
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uint16_t Type() const override;
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void GetCssTextImpl(nsAString& aCssText) const override;
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virtual nsICSSDeclaration* Style() override;
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RawServoStyleRule* Raw() const { return mRawRule; }
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// Methods of mozilla::css::Rule
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int32_t GetType() const final { return css::Rule::STYLE_RULE; }
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using Rule::GetType;
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already_AddRefed<Rule> Clone() const final;
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size_t SizeOfIncludingThis(MallocSizeOf aMallocSizeOf) const 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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~ServoStyleRule() {}
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// For computing the offset of mDecls.
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friend class ServoStyleRuleDeclaration;
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RefPtr<RawServoStyleRule> mRawRule;
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ServoStyleRuleDeclaration mDecls;
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};
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ServoStyleRule*
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ServoStyleRuleDeclaration::Rule()
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{
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return reinterpret_cast<ServoStyleRule*>(reinterpret_cast<uint8_t*>(this) -
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offsetof(ServoStyleRule, mDecls));
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}
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} // namespace mozilla
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#endif // mozilla_ServoStyleRule_h
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