зеркало из https://github.com/mozilla/gecko-dev.git
87 строки
2.9 KiB
C++
87 строки
2.9 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 nsXBLPrototypeResources_h__
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#define nsXBLPrototypeResources_h__
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#include "mozilla/StyleSheet.h"
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#include "nsICSSLoaderObserver.h"
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class nsCSSRuleProcessor;
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class nsAtom;
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class nsIContent;
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class nsXBLPrototypeBinding;
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class nsXBLResourceLoader;
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namespace mozilla {
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class CSSStyleSheet;
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class ServoStyleSet;
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} // namespace mozilla
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// *********************************************************************/
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// The XBLPrototypeResources class
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class nsXBLPrototypeResources
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{
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public:
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explicit nsXBLPrototypeResources(nsXBLPrototypeBinding* aBinding);
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~nsXBLPrototypeResources();
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bool LoadResources(nsIContent* aBoundElement);
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void AddResource(nsAtom* aResourceType, const nsAString& aSrc);
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void AddResourceListener(nsIContent* aElement);
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nsresult FlushSkinSheets();
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nsresult Write(nsIObjectOutputStream* aStream);
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void Traverse(nsCycleCollectionTraversalCallback &cb);
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void Unlink();
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void ClearLoader();
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void AppendStyleSheet(mozilla::StyleSheet* aSheet);
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void RemoveStyleSheet(mozilla::StyleSheet* aSheet);
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void InsertStyleSheetAt(size_t aIndex, mozilla::StyleSheet* aSheet);
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mozilla::StyleSheet* StyleSheetAt(size_t aIndex) const;
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size_t SheetCount() const;
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bool HasStyleSheets() const;
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void AppendStyleSheetsTo(nsTArray<mozilla::StyleSheet*>& aResult) const;
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/**
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* Recreates mRuleProcessor to represent the current list of style sheets
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* stored in mStyleSheetList. (Named GatherRuleProcessor to parallel
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* nsStyleSet::GatherRuleProcessors.)
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*/
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void GatherRuleProcessor();
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nsCSSRuleProcessor* GetRuleProcessor() const { return mRuleProcessor; }
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// Updates the ServoStyleSet object that holds the result of cascading the
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// sheets in mStyleSheetList. Equivalent to GatherRuleProcessor(), but for
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// the Servo style backend.
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void ComputeServoStyleSet(nsPresContext* aPresContext);
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mozilla::ServoStyleSet* GetServoStyleSet() const { return mServoStyleSet.get(); }
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private:
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// A loader object. Exists only long enough to load resources, and then it dies.
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RefPtr<nsXBLResourceLoader> mLoader;
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// A list of loaded stylesheets for this binding.
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nsTArray<RefPtr<mozilla::StyleSheet>> mStyleSheetList;
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// The list of stylesheets converted to a rule processor.
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RefPtr<nsCSSRuleProcessor> mRuleProcessor;
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// The result of cascading the XBL style sheets like mRuleProcessor, but
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// for the Servo style backend.
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// XXX: We might want to design a better representation for the result of
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// cascading the XBL style sheets, like a collection of SelectorMaps.
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mozilla::UniquePtr<mozilla::ServoStyleSet> mServoStyleSet;
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};
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#endif
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