зеркало из https://github.com/mozilla/gecko-dev.git
596 строки
18 KiB
C++
596 строки
18 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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// vim:cindent:ts=2:et:sw=2:
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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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/* rules in a CSS stylesheet other than style rules (e.g., @import rules) */
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#ifndef nsCSSRules_h_
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#define nsCSSRules_h_
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#include "Declaration.h"
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#include "StyleRule.h"
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#include "gfxFontFeatures.h"
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#include "mozilla/Attributes.h"
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#include "mozilla/MemoryReporting.h"
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#include "mozilla/Move.h"
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#include "mozilla/SheetType.h"
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#include "mozilla/css/GroupRule.h"
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#include "mozilla/dom/CSSMediaRule.h"
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#include "mozilla/dom/CSSPageRule.h"
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#include "nsAutoPtr.h"
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#include "nsCSSPropertyID.h"
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#include "nsCSSValue.h"
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#include "nsDOMCSSDeclaration.h"
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#include "nsIDOMCSSConditionRule.h"
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#include "nsIDOMCSSCounterStyleRule.h"
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#include "nsIDOMCSSFontFeatureValuesRule.h"
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#include "nsIDOMCSSGroupingRule.h"
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#include "nsIDOMCSSMozDocumentRule.h"
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#include "nsIDOMCSSSupportsRule.h"
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#include "nsIDOMCSSKeyframeRule.h"
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#include "nsIDOMCSSKeyframesRule.h"
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#include "nsTArray.h"
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class nsMediaList;
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namespace mozilla {
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class ErrorResult;
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namespace dom {
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class MediaList;
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}
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namespace css {
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class MediaRule final : public dom::CSSMediaRule
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{
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public:
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MediaRule(uint32_t aLineNumber, uint32_t aColumnNumber);
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private:
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MediaRule(const MediaRule& aCopy);
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~MediaRule();
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public:
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NS_DECL_ISUPPORTS_INHERITED
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NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(MediaRule, dom::CSSMediaRule)
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// Rule methods
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#ifdef DEBUG
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virtual void List(FILE* out = stdout, int32_t aIndent = 0) const override;
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#endif
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virtual void SetStyleSheet(mozilla::StyleSheet* aSheet) override; //override GroupRule
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mozilla::CSSStyleSheet* GetStyleSheet() const
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{
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mozilla::StyleSheet* sheet = GroupRule::GetStyleSheet();
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return sheet ? sheet->AsGecko() : nullptr;
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}
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virtual already_AddRefed<Rule> Clone() const override;
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// nsIDOMCSSConditionRule interface
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NS_DECL_NSIDOMCSSCONDITIONRULE
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// rest of GroupRule
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virtual bool UseForPresentation(nsPresContext* aPresContext,
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nsMediaQueryResultCacheKey& aKey) override;
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// @media rule methods
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nsresult SetMedia(nsMediaList* aMedia);
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// WebIDL interface
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void GetCssTextImpl(nsAString& aCssText) const override;
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using CSSMediaRule::SetConditionText;
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dom::MediaList* Media() override;
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virtual size_t SizeOfIncludingThis(mozilla::MallocSizeOf aMallocSizeOf)
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const override MOZ_MUST_OVERRIDE;
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protected:
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void AppendConditionText(nsAString& aOutput) const;
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RefPtr<nsMediaList> mMedia;
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};
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class DocumentRule final : public ConditionRule,
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public nsIDOMCSSMozDocumentRule
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{
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public:
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DocumentRule(uint32_t aLineNumber, uint32_t aColumnNumber);
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private:
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DocumentRule(const DocumentRule& aCopy);
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~DocumentRule();
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public:
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NS_DECL_ISUPPORTS_INHERITED
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// Rule methods
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#ifdef DEBUG
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virtual void List(FILE* out = stdout, int32_t aIndent = 0) const override;
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#endif
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virtual int32_t GetType() const override;
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using Rule::GetType;
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virtual already_AddRefed<Rule> Clone() const override;
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// nsIDOMCSSGroupingRule interface
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NS_DECL_NSIDOMCSSGROUPINGRULE
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// nsIDOMCSSConditionRule interface
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NS_DECL_NSIDOMCSSCONDITIONRULE
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// nsIDOMCSSMozDocumentRule interface
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NS_DECL_NSIDOMCSSMOZDOCUMENTRULE
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// rest of GroupRule
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virtual bool UseForPresentation(nsPresContext* aPresContext,
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nsMediaQueryResultCacheKey& aKey) override;
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bool UseForPresentation(nsPresContext* aPresContext);
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enum Function {
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eURL,
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eURLPrefix,
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eDomain,
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eRegExp
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};
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struct URL {
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Function func;
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nsCString url;
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URL *next;
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URL() : next(nullptr) {}
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URL(const URL& aOther)
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: func(aOther.func)
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, url(aOther.url)
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, next(aOther.next ? new URL(*aOther.next) : nullptr)
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{
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}
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~URL();
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};
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void SetURLs(URL *aURLs) { mURLs = aURLs; }
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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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// Our XPCOM GetConditionText is OK
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virtual void SetConditionText(const nsAString& aConditionText,
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ErrorResult& aRv) override;
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virtual size_t SizeOfIncludingThis(mozilla::MallocSizeOf aMallocSizeOf)
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const override MOZ_MUST_OVERRIDE;
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virtual JSObject* WrapObject(JSContext* aCx,
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JS::Handle<JSObject*> aGivenProto) override;
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protected:
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void AppendConditionText(nsAString& aOutput) const;
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nsAutoPtr<URL> mURLs; // linked list of |struct URL| above.
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};
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} // namespace css
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} // namespace mozilla
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class nsCSSFontFeatureValuesRule final : public mozilla::css::Rule,
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public nsIDOMCSSFontFeatureValuesRule
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{
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public:
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nsCSSFontFeatureValuesRule(uint32_t aLineNumber, uint32_t aColumnNumber)
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: mozilla::css::Rule(aLineNumber, aColumnNumber)
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{
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}
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nsCSSFontFeatureValuesRule(const nsCSSFontFeatureValuesRule& aCopy)
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// copy everything except our reference count
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: mozilla::css::Rule(aCopy),
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mFamilyList(aCopy.mFamilyList),
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mFeatureValues(aCopy.mFeatureValues)
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{
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}
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NS_DECL_ISUPPORTS_INHERITED
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virtual bool IsCCLeaf() const override;
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#ifdef DEBUG
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virtual void List(FILE* out = stdout, int32_t aIndent = 0) const override;
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#endif
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virtual int32_t GetType() const override;
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using Rule::GetType;
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virtual already_AddRefed<mozilla::css::Rule> Clone() const override;
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// nsIDOMCSSFontFaceRule interface
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NS_DECL_NSIDOMCSSFONTFEATUREVALUESRULE
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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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// The XPCOM GetFontFamily is fine
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void SetFontFamily(const nsAString& aFamily, mozilla::ErrorResult& aRv);
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// The XPCOM GetValueText is fine
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void SetValueText(const nsAString& aFamily, mozilla::ErrorResult& aRv);
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const mozilla::FontFamilyList& GetFamilyList() { return mFamilyList; }
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void SetFamilyList(const mozilla::FontFamilyList& aFamilyList);
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void AddValueList(int32_t aVariantAlternate,
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nsTArray<gfxFontFeatureValueSet::ValueList>& aValueList);
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const nsTArray<gfxFontFeatureValueSet::FeatureValues>& GetFeatureValues()
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{
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return mFeatureValues;
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}
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virtual size_t SizeOfIncludingThis(mozilla::MallocSizeOf aMallocSizeOf) const override;
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virtual JSObject* WrapObject(JSContext* aCx,
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JS::Handle<JSObject*> aGivenProto) override;
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protected:
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~nsCSSFontFeatureValuesRule() {}
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mozilla::FontFamilyList mFamilyList;
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nsTArray<gfxFontFeatureValueSet::FeatureValues> mFeatureValues;
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};
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class nsCSSKeyframeRule;
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class nsCSSKeyframeStyleDeclaration final : public nsDOMCSSDeclaration
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{
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public:
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explicit nsCSSKeyframeStyleDeclaration(nsCSSKeyframeRule *aRule);
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NS_IMETHOD GetParentRule(nsIDOMCSSRule **aParent) override;
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void DropReference() { mRule = nullptr; }
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virtual mozilla::DeclarationBlock* GetCSSDeclaration(Operation aOperation) override;
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virtual nsresult SetCSSDeclaration(mozilla::DeclarationBlock* aDecl) override;
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virtual void GetCSSParsingEnvironment(CSSParsingEnvironment& aCSSParseEnv) override;
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mozilla::URLExtraData* GetURLData() const final;
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virtual nsIDocument* DocToUpdate() override;
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NS_DECL_CYCLE_COLLECTING_ISUPPORTS
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NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS_AMBIGUOUS(nsCSSKeyframeStyleDeclaration,
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nsICSSDeclaration)
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virtual nsINode* GetParentObject() override;
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protected:
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virtual ~nsCSSKeyframeStyleDeclaration();
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// This reference is not reference-counted. The rule object tells us
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// when it's about to go away.
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nsCSSKeyframeRule* MOZ_NON_OWNING_REF mRule;
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};
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class nsCSSKeyframeRule final : public mozilla::css::Rule,
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public nsIDOMCSSKeyframeRule
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{
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public:
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// Steals the contents of aKeys, and takes the reference in Declaration
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nsCSSKeyframeRule(InfallibleTArray<float>&& aKeys,
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already_AddRefed<mozilla::css::Declaration>&& aDeclaration,
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uint32_t aLineNumber, uint32_t aColumnNumber)
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: mozilla::css::Rule(aLineNumber, aColumnNumber)
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, mKeys(mozilla::Move(aKeys))
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, mDeclaration(mozilla::Move(aDeclaration))
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{
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mDeclaration->SetOwningRule(this);
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}
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private:
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nsCSSKeyframeRule(const nsCSSKeyframeRule& aCopy);
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~nsCSSKeyframeRule();
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public:
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NS_DECL_ISUPPORTS_INHERITED
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NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(nsCSSKeyframeRule, mozilla::css::Rule)
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virtual bool IsCCLeaf() const override;
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#ifdef DEBUG
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virtual void List(FILE* out = stdout, int32_t aIndent = 0) const override;
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#endif
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virtual int32_t GetType() const override;
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using Rule::GetType;
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virtual already_AddRefed<mozilla::css::Rule> Clone() const override;
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// nsIDOMCSSKeyframeRule interface
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NS_DECL_NSIDOMCSSKEYFRAMERULE
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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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// The XPCOM GetKeyText is fine.
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// The XPCOM SetKeyText is fine.
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nsICSSDeclaration* Style();
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const nsTArray<float>& GetKeys() const { return mKeys; }
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mozilla::css::Declaration* Declaration() { return mDeclaration; }
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void ChangeDeclaration(mozilla::css::Declaration* aDeclaration);
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virtual size_t SizeOfIncludingThis(mozilla::MallocSizeOf aMallocSizeOf) const override;
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virtual JSObject* WrapObject(JSContext* aCx,
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JS::Handle<JSObject*> aGivenProto) override;
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void DoGetKeyText(nsAString &aKeyText) const;
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private:
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nsTArray<float> mKeys;
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RefPtr<mozilla::css::Declaration> mDeclaration;
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// lazily created when needed:
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RefPtr<nsCSSKeyframeStyleDeclaration> mDOMDeclaration;
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};
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class nsCSSKeyframesRule final : public mozilla::css::GroupRule,
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public nsIDOMCSSKeyframesRule
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{
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public:
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nsCSSKeyframesRule(const nsSubstring& aName,
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uint32_t aLineNumber, uint32_t aColumnNumber)
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: mozilla::css::GroupRule(aLineNumber, aColumnNumber)
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, mName(aName)
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{
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}
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private:
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nsCSSKeyframesRule(const nsCSSKeyframesRule& aCopy);
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~nsCSSKeyframesRule();
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public:
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NS_DECL_ISUPPORTS_INHERITED
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// Rule methods
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#ifdef DEBUG
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virtual void List(FILE* out = stdout, int32_t aIndent = 0) const override;
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#endif
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virtual int32_t GetType() const override;
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using Rule::GetType;
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virtual already_AddRefed<mozilla::css::Rule> Clone() const override;
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// nsIDOMCSSKeyframesRule interface
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NS_DECL_NSIDOMCSSKEYFRAMESRULE
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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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// The XPCOM GetName is OK
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// The XPCOM SetName is OK
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using mozilla::css::GroupRule::CssRules;
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// The XPCOM appendRule is OK, since it never throws
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// The XPCOM deleteRule is OK, since it never throws
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nsCSSKeyframeRule* FindRule(const nsAString& aKey);
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// rest of GroupRule
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virtual bool UseForPresentation(nsPresContext* aPresContext,
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nsMediaQueryResultCacheKey& aKey) override;
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const nsString& GetName() { return mName; }
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virtual size_t SizeOfIncludingThis(mozilla::MallocSizeOf aMallocSizeOf) const override;
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virtual JSObject* WrapObject(JSContext* aCx,
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JS::Handle<JSObject*> aGivenProto) override;
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private:
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uint32_t FindRuleIndexForKey(const nsAString& aKey);
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nsString mName;
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};
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class nsCSSPageRule;
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class nsCSSPageStyleDeclaration final : public nsDOMCSSDeclaration
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{
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public:
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explicit nsCSSPageStyleDeclaration(nsCSSPageRule *aRule);
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NS_IMETHOD GetParentRule(nsIDOMCSSRule **aParent) override;
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void DropReference() { mRule = nullptr; }
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virtual mozilla::DeclarationBlock* GetCSSDeclaration(Operation aOperation) override;
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virtual nsresult SetCSSDeclaration(mozilla::DeclarationBlock* aDecl) override;
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virtual void GetCSSParsingEnvironment(CSSParsingEnvironment& aCSSParseEnv) override;
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mozilla::URLExtraData* GetURLData() const final;
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virtual nsIDocument* DocToUpdate() override;
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NS_DECL_CYCLE_COLLECTING_ISUPPORTS
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NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS_AMBIGUOUS(nsCSSPageStyleDeclaration,
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nsICSSDeclaration)
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virtual nsINode *GetParentObject() override;
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protected:
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virtual ~nsCSSPageStyleDeclaration();
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// This reference is not reference-counted. The rule object tells us
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// when it's about to go away.
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nsCSSPageRule* MOZ_NON_OWNING_REF mRule;
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};
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class nsCSSPageRule final : public mozilla::dom::CSSPageRule
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{
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public:
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nsCSSPageRule(mozilla::css::Declaration* aDeclaration,
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uint32_t aLineNumber, uint32_t aColumnNumber)
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: mozilla::dom::CSSPageRule(aLineNumber, aColumnNumber)
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, mDeclaration(aDeclaration)
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{
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mDeclaration->SetOwningRule(this);
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}
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private:
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nsCSSPageRule(const nsCSSPageRule& aCopy);
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~nsCSSPageRule();
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public:
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NS_DECL_ISUPPORTS_INHERITED
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NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(nsCSSPageRule, mozilla::dom::CSSPageRule)
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virtual bool IsCCLeaf() const override;
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#ifdef DEBUG
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virtual void List(FILE* out = stdout, int32_t aIndent = 0) const override;
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#endif
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virtual already_AddRefed<mozilla::css::Rule> Clone() const override;
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// WebIDL interfaces
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virtual void GetCssTextImpl(nsAString& aCssText) const override;
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virtual nsICSSDeclaration* Style() override;
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mozilla::css::Declaration* Declaration() { return mDeclaration; }
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void ChangeDeclaration(mozilla::css::Declaration* aDeclaration);
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virtual size_t SizeOfIncludingThis(mozilla::MallocSizeOf aMallocSizeOf) const override;
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private:
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RefPtr<mozilla::css::Declaration> mDeclaration;
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// lazily created when needed:
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RefPtr<nsCSSPageStyleDeclaration> mDOMDeclaration;
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};
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namespace mozilla {
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class CSSSupportsRule final : public css::ConditionRule,
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public nsIDOMCSSSupportsRule
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{
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public:
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CSSSupportsRule(bool aConditionMet, const nsString& aCondition,
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uint32_t aLineNumber, uint32_t aColumnNumber);
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CSSSupportsRule(const CSSSupportsRule& aCopy);
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// Rule methods
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#ifdef DEBUG
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virtual void List(FILE* out = stdout, int32_t aIndent = 0) const override;
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#endif
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virtual int32_t GetType() const override;
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using Rule::GetType;
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virtual already_AddRefed<mozilla::css::Rule> Clone() const override;
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virtual bool UseForPresentation(nsPresContext* aPresContext,
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nsMediaQueryResultCacheKey& aKey) override;
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NS_DECL_ISUPPORTS_INHERITED
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// nsIDOMCSSGroupingRule interface
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NS_DECL_NSIDOMCSSGROUPINGRULE
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// nsIDOMCSSConditionRule interface
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NS_DECL_NSIDOMCSSCONDITIONRULE
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// nsIDOMCSSSupportsRule interface
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NS_DECL_NSIDOMCSSSUPPORTSRULE
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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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// Our XPCOM GetConditionText is OK
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virtual void SetConditionText(const nsAString& aConditionText,
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ErrorResult& aRv) override;
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virtual size_t SizeOfIncludingThis(mozilla::MallocSizeOf aMallocSizeOf) const override;
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virtual JSObject* WrapObject(JSContext* aCx,
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JS::Handle<JSObject*> aGivenProto) override;
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protected:
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virtual ~CSSSupportsRule();
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bool mUseGroup;
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nsString mCondition;
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};
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} // namespace mozilla
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class nsCSSCounterStyleRule final : public mozilla::css::Rule,
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public nsIDOMCSSCounterStyleRule
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{
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public:
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explicit nsCSSCounterStyleRule(const nsAString& aName,
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uint32_t aLineNumber, uint32_t aColumnNumber)
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: mozilla::css::Rule(aLineNumber, aColumnNumber)
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, mName(aName)
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, mGeneration(0)
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{
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}
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private:
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nsCSSCounterStyleRule(const nsCSSCounterStyleRule& aCopy);
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~nsCSSCounterStyleRule();
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public:
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NS_DECL_ISUPPORTS_INHERITED
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virtual bool IsCCLeaf() const override;
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#ifdef DEBUG
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virtual void List(FILE* out = stdout, int32_t aIndent = 0) const override;
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#endif
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virtual int32_t GetType() const override;
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using Rule::GetType;
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virtual already_AddRefed<mozilla::css::Rule> Clone() const override;
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// nsIDOMCSSCounterStyleRule
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NS_DECL_NSIDOMCSSCOUNTERSTYLERULE
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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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// The XPCOM GetName is OK
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// The XPCOM SetName is OK
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// The XPCOM GetSystem is OK
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// The XPCOM SetSystem is OK
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// The XPCOM GetSymbols is OK
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// The XPCOM SetSymbols is OK
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// The XPCOM GetAdditiveSymbols is OK
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// The XPCOM SetAdditiveSymbols is OK
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// The XPCOM GetNegative is OK
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// The XPCOM SetNegative is OK
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// The XPCOM GetPrefix is OK
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// The XPCOM SetPrefix is OK
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// The XPCOM GetSuffix is OK
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// The XPCOM SetSuffix is OK
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// The XPCOM GetRange is OK
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// The XPCOM SetRange is OK
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// The XPCOM GetPad is OK
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// The XPCOM SetPad is OK
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// The XPCOM GetSpeakAs is OK
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// The XPCOM SetSpeakAs is OK
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// The XPCOM GetFallback is OK
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// The XPCOM SetFallback is OK
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// This function is only used to check whether a non-empty value, which has
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// been accepted by parser, is valid for the given system and descriptor.
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static bool CheckDescValue(int32_t aSystem,
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nsCSSCounterDesc aDescID,
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const nsCSSValue& aValue);
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const nsString& GetName() const { return mName; }
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uint32_t GetGeneration() const { return mGeneration; }
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int32_t GetSystem() const;
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const nsCSSValue& GetSystemArgument() const;
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const nsCSSValue& GetDesc(nsCSSCounterDesc aDescID) const
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{
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MOZ_ASSERT(aDescID >= 0 && aDescID < eCSSCounterDesc_COUNT,
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"descriptor ID out of range");
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return mValues[aDescID];
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}
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void SetDesc(nsCSSCounterDesc aDescID, const nsCSSValue& aValue);
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virtual size_t SizeOfIncludingThis(mozilla::MallocSizeOf aMallocSizeOf) const override;
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virtual JSObject* WrapObject(JSContext* aCx,
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JS::Handle<JSObject*> aGivenProto) override;
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private:
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typedef NS_STDCALL_FUNCPROTO(nsresult, Getter, nsCSSCounterStyleRule,
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GetSymbols, (nsAString&));
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static const Getter kGetters[];
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nsresult GetDescriptor(nsCSSCounterDesc aDescID, nsAString& aValue);
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nsresult SetDescriptor(nsCSSCounterDesc aDescID, const nsAString& aValue);
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nsString mName;
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nsCSSValue mValues[eCSSCounterDesc_COUNT];
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uint32_t mGeneration;
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};
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#endif /* !defined(nsCSSRules_h_) */
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