зеркало из https://github.com/mozilla/gecko-dev.git
148 строки
4.4 KiB
C++
148 строки
4.4 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 nsCSSFontFaceRule_h
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#define nsCSSFontFaceRule_h
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#include "mozilla/css/Rule.h"
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#include "nsCSSValue.h"
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#include "nsICSSDeclaration.h"
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#include "nsIDOMCSSFontFaceRule.h"
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namespace mozilla {
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struct CSSFontFaceDescriptors
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{
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#define CSS_FONT_DESC(name_, method_) nsCSSValue m##method_;
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#include "nsCSSFontDescList.h"
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#undef CSS_FONT_DESC
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const nsCSSValue& Get(nsCSSFontDesc aFontDescID) const;
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nsCSSValue& Get(nsCSSFontDesc aFontDescID);
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private:
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static nsCSSValue CSSFontFaceDescriptors::* const Fields[];
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};
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} // namespace mozilla
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// A nsCSSFontFaceStyleDecl is always embedded in a nsCSSFontFaceRule.
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class nsCSSFontFaceRule;
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class nsCSSFontFaceStyleDecl 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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NS_DECL_NSICSSDECLARATION
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virtual already_AddRefed<mozilla::dom::CSSValue>
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GetPropertyCSSValue(const nsAString& aProp, mozilla::ErrorResult& aRv)
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override;
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using nsICSSDeclaration::GetPropertyCSSValue;
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virtual nsINode *GetParentObject() override;
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virtual void IndexedGetter(uint32_t aIndex, bool& aFound, nsAString& aPropName) override;
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nsresult GetPropertyValue(nsCSSFontDesc aFontDescID,
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nsAString & aResult) const;
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virtual JSObject* WrapObject(JSContext *cx, JS::Handle<JSObject*> aGivenProto) override;
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protected:
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~nsCSSFontFaceStyleDecl() {}
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friend class nsCSSFontFaceRule;
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inline nsCSSFontFaceRule* ContainingRule();
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inline const nsCSSFontFaceRule* ContainingRule() const;
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mozilla::CSSFontFaceDescriptors mDescriptors;
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// The actual implementation of GetCssText, so we can make it const.
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void GetCssTextImpl(nsAString& aCssText) const;
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private:
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// NOT TO BE IMPLEMENTED
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// This object cannot be allocated on its own, only as part of
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// nsCSSFontFaceRule.
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void* operator new(size_t size) CPP_THROW_NEW;
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};
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class nsCSSFontFaceRule final : public mozilla::css::Rule,
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public nsIDOMCSSFontFaceRule
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{
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public:
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nsCSSFontFaceRule(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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nsCSSFontFaceRule(const nsCSSFontFaceRule& aCopy)
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// copy everything except our reference count
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: mozilla::css::Rule(aCopy), mDecl(aCopy.mDecl)
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{
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}
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NS_DECL_ISUPPORTS_INHERITED
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NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS_INHERITED(nsCSSFontFaceRule,
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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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// nsIDOMCSSFontFaceRule interface
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NS_DECL_NSIDOMCSSFONTFACERULE
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void SetDesc(nsCSSFontDesc aDescID, nsCSSValue const & aValue);
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void GetDesc(nsCSSFontDesc aDescID, nsCSSValue & aValue);
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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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nsICSSDeclaration* Style();
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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 GetDescriptors(mozilla::CSSFontFaceDescriptors& aDescriptors) const
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{ aDescriptors = mDecl.mDescriptors; }
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protected:
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~nsCSSFontFaceRule() {}
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friend class nsCSSFontFaceStyleDecl;
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nsCSSFontFaceStyleDecl mDecl;
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};
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// nsFontFaceRuleContainer - used for associating sheet type with
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// specific @font-face rules
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struct nsFontFaceRuleContainer {
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RefPtr<nsCSSFontFaceRule> mRule;
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mozilla::SheetType mSheetType;
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};
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inline nsCSSFontFaceRule*
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nsCSSFontFaceStyleDecl::ContainingRule()
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{
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return reinterpret_cast<nsCSSFontFaceRule*>
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(reinterpret_cast<char*>(this) - offsetof(nsCSSFontFaceRule, mDecl));
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}
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inline const nsCSSFontFaceRule*
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nsCSSFontFaceStyleDecl::ContainingRule() const
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{
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return reinterpret_cast<const nsCSSFontFaceRule*>
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(reinterpret_cast<const char*>(this) - offsetof(nsCSSFontFaceRule, mDecl));
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}
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#endif // nsCSSFontFaceRule_h
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