зеркало из https://github.com/mozilla/gecko-dev.git
109 строки
3.2 KiB
C++
109 строки
3.2 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_dom_CSSPageRule_h
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#define mozilla_dom_CSSPageRule_h
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#include "mozilla/css/Rule.h"
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#include "mozilla/ServoBindingTypes.h"
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#include "nsDOMCSSDeclaration.h"
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#include "nsICSSDeclaration.h"
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namespace mozilla {
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class DeclarationBlock;
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namespace dom {
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class DocGroup;
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class CSSPageRule;
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class CSSPageRuleDeclaration final : public nsDOMCSSDeclaration {
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public:
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NS_DECL_ISUPPORTS_INHERITED
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css::Rule* GetParentRule() final;
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nsINode* GetAssociatedNode() const final;
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nsISupports* GetParentObject() const final;
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protected:
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DeclarationBlock* GetOrCreateCSSDeclaration(
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Operation aOperation, DeclarationBlock** aCreated) final;
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nsresult SetCSSDeclaration(DeclarationBlock* aDecl,
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MutationClosureData* aClosureData) final;
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Document* DocToUpdate() final { return nullptr; }
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nsDOMCSSDeclaration::ParsingEnvironment GetParsingEnvironment(
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nsIPrincipal* aSubjectPrincipal) const final;
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private:
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// For accessing the constructor.
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friend class CSSPageRule;
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explicit CSSPageRuleDeclaration(
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already_AddRefed<RawServoDeclarationBlock> aDecls);
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void SetRawAfterClone(RefPtr<RawServoDeclarationBlock>);
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~CSSPageRuleDeclaration();
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inline CSSPageRule* Rule();
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inline const CSSPageRule* Rule() const;
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RefPtr<DeclarationBlock> mDecls;
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};
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class CSSPageRule final : public css::Rule {
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public:
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CSSPageRule(RefPtr<RawServoPageRule> aRawRule, StyleSheet* aSheet,
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css::Rule* aParentRule, uint32_t aLine, uint32_t aColumn);
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NS_DECL_ISUPPORTS_INHERITED
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NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS_INHERITED(CSSPageRule, css::Rule)
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bool IsCCLeaf() const final;
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RawServoPageRule* Raw() const { return mRawRule; }
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void SetRawAfterClone(RefPtr<RawServoPageRule>);
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// WebIDL interfaces
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StyleCssRuleType Type() const final;
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void GetCssText(nsACString& aCssText) const final;
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nsICSSDeclaration* Style();
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void GetSelectorText(nsACString& aSelectorText) const;
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void SetSelectorText(const nsACString& aSelectorText);
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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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JSObject* WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) final;
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private:
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~CSSPageRule() = default;
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// For computing the offset of mDecls.
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friend class CSSPageRuleDeclaration;
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RefPtr<RawServoPageRule> mRawRule;
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CSSPageRuleDeclaration mDecls;
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};
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CSSPageRule* CSSPageRuleDeclaration::Rule() {
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return reinterpret_cast<CSSPageRule*>(reinterpret_cast<uint8_t*>(this) -
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offsetof(CSSPageRule, mDecls));
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}
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const CSSPageRule* CSSPageRuleDeclaration::Rule() const {
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return reinterpret_cast<const CSSPageRule*>(
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reinterpret_cast<const uint8_t*>(this) - offsetof(CSSPageRule, mDecls));
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}
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} // namespace dom
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} // namespace mozilla
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#endif // mozilla_dom_CSSPageRule_h
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