зеркало из https://github.com/mozilla/gecko-dev.git
129 строки
3.8 KiB
C++
129 строки
3.8 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_ServoStyleSheet_h
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#define mozilla_ServoStyleSheet_h
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#include "mozilla/dom/SRIMetadata.h"
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#include "mozilla/RefPtr.h"
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#include "mozilla/ServoBindingTypes.h"
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#include "mozilla/StyleSheet.h"
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#include "mozilla/StyleSheetInfo.h"
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#include "nsStringFwd.h"
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namespace mozilla {
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class ServoCSSRuleList;
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namespace css {
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class Loader;
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}
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// -------------------------------
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// Servo Style Sheet Inner Data Container
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//
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struct ServoStyleSheetInner : public StyleSheetInfo
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{
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ServoStyleSheetInner(CORSMode aCORSMode,
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ReferrerPolicy aReferrerPolicy,
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const dom::SRIMetadata& aIntegrity);
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RefPtr<RawServoStyleSheet> mSheet;
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};
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/**
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* CSS style sheet object that is a wrapper for a Servo Stylesheet.
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*/
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class ServoStyleSheet : public StyleSheet
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{
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public:
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ServoStyleSheet(css::SheetParsingMode aParsingMode,
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CORSMode aCORSMode,
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net::ReferrerPolicy aReferrerPolicy,
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const dom::SRIMetadata& aIntegrity);
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NS_DECL_ISUPPORTS_INHERITED
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NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(ServoStyleSheet, StyleSheet)
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bool HasRules() const;
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MOZ_MUST_USE nsresult ParseSheet(css::Loader* aLoader,
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const nsAString& aInput,
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nsIURI* aSheetURI,
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nsIURI* aBaseURI,
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nsIPrincipal* aSheetPrincipal,
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uint32_t aLineNumber);
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/**
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* Called instead of ParseSheet to initialize the Servo stylesheet object
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* for a failed load. Either ParseSheet or LoadFailed must be called before
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* adding a ServoStyleSheet to a ServoStyleSet.
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*/
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void LoadFailed();
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RawServoStyleSheet* RawSheet() const {
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return Inner()->mSheet;
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}
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void SetSheetForImport(RawServoStyleSheet* aSheet) {
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MOZ_ASSERT(!Inner()->mSheet);
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Inner()->mSheet = aSheet;
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}
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// WebIDL CSSStyleSheet API
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// Can't be inline because we can't include ImportRule here. And can't be
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// called GetOwnerRule because that would be ambiguous with the ImportRule
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// version.
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css::Rule* GetDOMOwnerRule() const final;
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void WillDirty() {}
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void DidDirty() {}
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bool IsModified() const final { return false; }
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virtual already_AddRefed<StyleSheet> Clone(StyleSheet* aCloneParent,
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css::ImportRule* aCloneOwnerRule,
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nsIDocument* aCloneDocument,
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nsINode* aCloneOwningNode) const final;
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protected:
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virtual ~ServoStyleSheet();
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ServoStyleSheetInner* Inner() const
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{
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return static_cast<ServoStyleSheetInner*>(mInner);
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}
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// Internal methods which do not have security check and completeness check.
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dom::CSSRuleList* GetCssRulesInternal(ErrorResult& aRv);
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uint32_t InsertRuleInternal(const nsAString& aRule,
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uint32_t aIndex, ErrorResult& aRv);
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void DeleteRuleInternal(uint32_t aIndex, ErrorResult& aRv);
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nsresult InsertRuleIntoGroupInternal(const nsAString& aRule,
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css::GroupRule* aGroup,
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uint32_t aIndex);
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void EnabledStateChangedInternal() {}
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private:
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ServoStyleSheet(const ServoStyleSheet& aCopy,
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ServoStyleSheet* aParentToUse,
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css::ImportRule* aOwnerRuleToUse,
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nsIDocument* aDocumentToUse,
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nsINode* aOwningNodeToUse);
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void DropRuleList();
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RefPtr<ServoCSSRuleList> mRuleList;
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friend class StyleSheet;
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};
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} // namespace mozilla
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#endif // mozilla_ServoStyleSheet_h
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