зеркало из https://github.com/mozilla/gecko-dev.git
75 строки
2.5 KiB
C++
75 строки
2.5 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 nsXBLResourceLoader_h
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#define nsXBLResourceLoader_h
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#include "mozilla/Attributes.h"
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#include "nsCOMPtr.h"
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#include "nsICSSLoaderObserver.h"
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#include "nsCOMArray.h"
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#include "nsCycleCollectionParticipant.h"
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class nsIContent;
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class nsAtom;
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class nsXBLPrototypeResources;
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class nsXBLPrototypeBinding;
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struct nsXBLResource;
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class nsIObjectOutputStream;
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// *********************************************************************/
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// The XBLResourceLoader class
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class nsXBLResourceLoader : public nsICSSLoaderObserver {
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public:
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NS_DECL_CYCLE_COLLECTING_ISUPPORTS
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NS_DECL_CYCLE_COLLECTION_CLASS(nsXBLResourceLoader)
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// nsICSSLoaderObserver
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NS_IMETHOD StyleSheetLoaded(mozilla::StyleSheet* aSheet, bool aWasAlternate,
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nsresult aStatus) override;
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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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nsXBLResourceLoader(nsXBLPrototypeBinding* aBinding,
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nsXBLPrototypeResources* aResources);
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void NotifyBoundElements();
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nsresult Write(nsIObjectOutputStream* aStream);
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// MEMBER VARIABLES
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nsXBLPrototypeBinding* mBinding; // A pointer back to our binding.
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nsXBLPrototypeResources* mResources; // A pointer back to our resources
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// information. May be null if the
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// resources have already been
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// destroyed.
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nsXBLResource* mResourceList; // The list of resources we need to load.
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nsXBLResource* mLastResource;
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bool mLoadingResources;
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// We need mInLoadResourcesFunc because we do a mixture of sync and
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// async loads.
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bool mInLoadResourcesFunc;
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int16_t mPendingSheets; // The number of stylesheets that have yet to load.
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// Bound elements that are waiting on the stylesheets and scripts.
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nsCOMArray<nsIContent> mBoundElements;
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protected:
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virtual ~nsXBLResourceLoader();
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private:
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// The bound document is needed in StyleSheetLoaded() for servo style
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// backend, which will be set in LoadResources().
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dom::Document* MOZ_NON_OWNING_REF mBoundDocument;
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};
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#endif
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