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https://github.com/mozilla/gecko-dev.git
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597b7bc37d
The specifics of how this is going to work are still getting spec'd / discussed in https://github.com/w3c/csswg-drafts/issues/6576, but this allows DevTools to work fine and the feature to be complete enough for Nightly experimentation (with the other in-flight patches). Otherwise devtools crashes when trying to inspect pages that use them. Differential Revision: https://phabricator.services.mozilla.com/D124656
104 lines
3.3 KiB
C++
104 lines
3.3 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_CSSFontFaceRule_h
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#define mozilla_CSSFontFaceRule_h
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#include "mozilla/ServoBindingTypes.h"
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#include "mozilla/css/Rule.h"
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#include "nsICSSDeclaration.h"
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namespace mozilla::dom {
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// A CSSFontFaceRuleDecl is always embeded in a CSSFontFaceRule.
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class CSSFontFaceRule;
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class CSSFontFaceRuleDecl final : public nsICSSDeclaration {
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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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nsINode* GetAssociatedNode() const final;
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nsISupports* GetParentObject() const final;
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void IndexedGetter(uint32_t aIndex, bool& aFound,
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nsACString& aPropName) final;
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void GetPropertyValue(nsCSSFontDesc aFontDescID, nsACString& aResult) const;
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JSObject* WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) final;
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protected:
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// For accessing the constructor.
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friend class CSSFontFaceRule;
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explicit CSSFontFaceRuleDecl(already_AddRefed<RawServoFontFaceRule> aDecl)
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: mRawRule(std::move(aDecl)) {}
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~CSSFontFaceRuleDecl() = default;
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inline CSSFontFaceRule* ContainingRule();
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inline const CSSFontFaceRule* ContainingRule() const;
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RefPtr<RawServoFontFaceRule> mRawRule;
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void SetRawAfterClone(RefPtr<RawServoFontFaceRule>);
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private:
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void* operator new(size_t size) noexcept(true) = delete;
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};
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class CSSFontFaceRule final : public css::Rule {
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public:
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CSSFontFaceRule(already_AddRefed<RawServoFontFaceRule> aRawRule,
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StyleSheet* aSheet, css::Rule* aParentRule, uint32_t aLine,
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uint32_t aColumn)
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: css::Rule(aSheet, aParentRule, aLine, aColumn),
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mDecl(std::move(aRawRule)) {}
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CSSFontFaceRule(const CSSFontFaceRule&) = delete;
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NS_DECL_ISUPPORTS_INHERITED
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NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS_INHERITED(CSSFontFaceRule,
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css::Rule)
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bool IsCCLeaf() const final;
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RawServoFontFaceRule* Raw() const { return mDecl.mRawRule; }
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void SetRawAfterClone(RefPtr<RawServoFontFaceRule>);
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// WebIDL interface
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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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// Methods of mozilla::css::Rule
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size_t SizeOfIncludingThis(mozilla::MallocSizeOf aMallocSizeOf) const final;
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JSObject* WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) 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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virtual ~CSSFontFaceRule() = default;
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// For computing the offset of mDecl.
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friend class CSSFontFaceRuleDecl;
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CSSFontFaceRuleDecl mDecl;
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};
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inline CSSFontFaceRule* CSSFontFaceRuleDecl::ContainingRule() {
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return reinterpret_cast<CSSFontFaceRule*>(reinterpret_cast<char*>(this) -
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offsetof(CSSFontFaceRule, mDecl));
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}
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inline const CSSFontFaceRule* CSSFontFaceRuleDecl::ContainingRule() const {
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return reinterpret_cast<const CSSFontFaceRule*>(
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reinterpret_cast<const char*>(this) - offsetof(CSSFontFaceRule, mDecl));
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}
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} // namespace mozilla::dom
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#endif // mozilla_CSSFontFaceRule_h
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