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114 lines
4.0 KiB
C++
114 lines
4.0 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is Mozilla Communicator client code.
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*
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* The Initial Developer of the Original Code is
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 1998
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Original Author: David W. Hyatt (hyatt@netscape.com)
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either of the GNU General Public License Version 2 or later (the "GPL"),
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* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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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 "nsContentUtils.h"
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#include "nsCycleCollectionParticipant.h"
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class nsIContent;
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class nsIAtom;
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class nsIDocument;
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class nsIScriptContext;
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class nsSupportsHashtable;
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class nsXBLPrototypeResources;
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class nsXBLPrototypeBinding;
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// *********************************************************************/
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// The XBLResourceLoader class
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struct nsXBLResource {
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nsXBLResource* mNext;
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nsIAtom* mType;
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nsString mSrc;
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nsXBLResource(nsIAtom* aType, const nsAString& aSrc) {
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MOZ_COUNT_CTOR(nsXBLResource);
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mNext = nsnull;
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mType = aType;
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mSrc = aSrc;
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}
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~nsXBLResource() {
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MOZ_COUNT_DTOR(nsXBLResource);
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NS_CONTENT_DELETE_LIST_MEMBER(nsXBLResource, this, mNext);
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}
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};
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class nsXBLResourceLoader : public nsICSSLoaderObserver
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{
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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(nsICSSStyleSheet* aSheet, PRBool aWasAlternate,
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nsresult aStatus);
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void LoadResources(PRBool* aResult);
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void AddResource(nsIAtom* 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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virtual ~nsXBLResourceLoader();
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void NotifyBoundElements();
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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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PRPackedBool 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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PRPackedBool mInLoadResourcesFunc;
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PRInt16 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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};
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