зеркало из https://github.com/mozilla/pjs.git
134 строки
4.3 KiB
C++
134 строки
4.3 KiB
C++
/* ***** 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.
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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) 2002
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Darin Fisher <darin@netscape.com> (original author)
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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 the GNU General Public License Version 2 or later (the "GPL"), or
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* 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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#ifndef nsPrefetchService_h__
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#define nsPrefetchService_h__
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#include "nsCPrefetchService.h"
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#include "nsIGenericFactory.h"
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#include "nsIObserver.h"
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#include "nsIWebProgressListener.h"
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#include "nsIStreamListener.h"
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#include "nsIChannel.h"
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#include "nsIURI.h"
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#include "nsWeakReference.h"
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#include "nsCOMPtr.h"
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class nsPrefetchService;
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class nsPrefetchListener;
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class nsPrefetchNode;
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//-----------------------------------------------------------------------------
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// nsPrefetchService
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//-----------------------------------------------------------------------------
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class nsPrefetchService : public nsIPrefetchService
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, public nsIWebProgressListener
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, public nsIObserver
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, public nsSupportsWeakReference
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{
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public:
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NS_DECL_ISUPPORTS
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NS_DECL_NSIPREFETCHSERVICE
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NS_DECL_NSIWEBPROGRESSLISTENER
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NS_DECL_NSIOBSERVER
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nsPrefetchService();
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virtual ~nsPrefetchService();
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nsresult Init();
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void ProcessNextURI();
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private:
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void AddProgressListener();
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void RemoveProgressListener();
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nsresult EnqueueURI(nsIURI *aURI, nsIURI *aReferrerURI);
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nsresult DequeueURI(nsIURI **aURI, nsIURI **aReferrerURI);
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void EmptyQueue();
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void StartPrefetching();
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void StopPrefetching();
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nsPrefetchNode *mQueueHead;
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nsPrefetchNode *mQueueTail;
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nsCOMPtr<nsIChannel> mCurrentChannel;
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PRInt32 mStopCount;
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PRBool mDisabled;
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};
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//-----------------------------------------------------------------------------
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// nsPrefetchListener
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//-----------------------------------------------------------------------------
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class nsPrefetchListener : public nsIStreamListener
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{
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public:
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NS_DECL_ISUPPORTS
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NS_DECL_NSIREQUESTOBSERVER
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NS_DECL_NSISTREAMLISTENER
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nsPrefetchListener(nsPrefetchService *aPrefetchService);
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virtual ~nsPrefetchListener();
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private:
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static NS_METHOD ConsumeSegments(nsIInputStream *, void *, const char *,
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PRUint32, PRUint32, PRUint32 *);
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nsPrefetchService *mService;
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};
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//-----------------------------------------------------------------------------
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// nsPrefetchNode
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//-----------------------------------------------------------------------------
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class nsPrefetchNode
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{
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public:
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nsPrefetchNode(nsIURI *aURI,
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nsIURI *aReferrerURI)
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: mNext(nsnull)
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, mURI(aURI)
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, mReferrerURI(aReferrerURI)
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{ }
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nsPrefetchNode *mNext;
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nsCOMPtr<nsIURI> mURI;
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nsCOMPtr<nsIURI> mReferrerURI;
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};
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#endif // !nsPrefetchService_h__
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