зеркало из https://github.com/mozilla/gecko-dev.git
111 строки
3.0 KiB
C++
111 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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/* representation of CSSPageRule for stylo */
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#ifndef mozilla_ServoPageRule_h
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#define mozilla_ServoPageRule_h
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#include "mozilla/dom/CSSPageRule.h"
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#include "mozilla/ServoBindingTypes.h"
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#include "nsDOMCSSDeclaration.h"
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namespace mozilla {
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namespace dom {
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class DocGroup;
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} // namespace dom
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class ServoDeclarationBlock;
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class ServoPageRule;
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class ServoPageRuleDeclaration final : public nsDOMCSSDeclaration
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{
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public:
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NS_DECL_ISUPPORTS_INHERITED
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css::Rule* GetParentRule() final override;
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nsINode* GetParentObject() final override;
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protected:
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DeclarationBlock* GetCSSDeclaration(Operation aOperation) final override;
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nsresult SetCSSDeclaration(DeclarationBlock* aDecl) final override;
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nsIDocument* DocToUpdate() final override;
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void GetCSSParsingEnvironment(CSSParsingEnvironment& aCSSParseEnv,
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nsIPrincipal* aSubjectPrincipal) final override;
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nsDOMCSSDeclaration::ServoCSSParsingEnvironment
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GetServoCSSParsingEnvironment(nsIPrincipal* aSubjectPrincipal) const final override;
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private:
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// For accessing the constructor.
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friend class ServoPageRule;
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explicit ServoPageRuleDeclaration(
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already_AddRefed<RawServoDeclarationBlock> aDecls);
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~ServoPageRuleDeclaration();
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inline ServoPageRule* Rule();
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inline const ServoPageRule* Rule() const;
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RefPtr<ServoDeclarationBlock> mDecls;
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};
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class ServoPageRule final : public dom::CSSPageRule
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{
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public:
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ServoPageRule(RefPtr<RawServoPageRule> aRawRule,
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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(
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ServoPageRule, dom::CSSPageRule
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)
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bool IsCCLeaf() const final override;
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RawServoPageRule* Raw() const { return mRawRule; }
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// WebIDL interface
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void GetCssText(nsAString& aCssText) const final override;
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nsICSSDeclaration* Style() final override;
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// Methods of mozilla::css::Rule
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already_AddRefed<css::Rule> Clone() const final override;
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size_t SizeOfIncludingThis(mozilla::MallocSizeOf aMallocSizeOf)
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const final override;
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#ifdef DEBUG
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void List(FILE* out = stdout, int32_t aIndent = 0) const final override;
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#endif
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private:
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virtual ~ServoPageRule();
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// For computing the offset of mDecls.
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friend class ServoPageRuleDeclaration;
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RefPtr<RawServoPageRule> mRawRule;
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ServoPageRuleDeclaration mDecls;
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};
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ServoPageRule*
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ServoPageRuleDeclaration::Rule()
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{
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return reinterpret_cast<ServoPageRule*>(
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reinterpret_cast<uint8_t*>(this) - offsetof(ServoPageRule, mDecls));
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}
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const ServoPageRule*
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ServoPageRuleDeclaration::Rule() const
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{
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return reinterpret_cast<const ServoPageRule*>(
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reinterpret_cast<const uint8_t*>(this) - offsetof(ServoPageRule, mDecls));
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}
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} // namespace mozilla
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#endif // mozilla_ServoPageRule_h
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