gecko/netwerk/base/src/nsAsyncStreamCopier.h

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/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is Mozilla.
*
* The Initial Developer of the Original Code is
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 2002
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Darin Fisher <darin@netscape.com>
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#ifndef nsAsyncStreamCopier_h__
#define nsAsyncStreamCopier_h__
#include "nsIAsyncStreamCopier.h"
#include "nsIAsyncInputStream.h"
#include "nsIAsyncOutputStream.h"
#include "nsIRequestObserver.h"
#include "nsStreamUtils.h"
#include "nsCOMPtr.h"
#include "prlock.h"
//-----------------------------------------------------------------------------
class nsAsyncStreamCopier : public nsIAsyncStreamCopier
{
public:
NS_DECL_ISUPPORTS
NS_DECL_NSIREQUEST
NS_DECL_NSIASYNCSTREAMCOPIER
nsAsyncStreamCopier();
virtual ~nsAsyncStreamCopier();
//-------------------------------------------------------------------------
// these methods may be called on any thread
PRBool IsComplete(nsresult *status = nsnull);
void Complete(nsresult status);
private:
static void OnAsyncCopyComplete(void *, nsresult);
nsCOMPtr<nsIInputStream> mSource;
nsCOMPtr<nsIOutputStream> mSink;
nsCOMPtr<nsIRequestObserver> mObserver;
nsCOMPtr<nsISupports> mObserverContext;
nsCOMPtr<nsIEventTarget> mTarget;
PRLock *mLock;
nsAsyncCopyMode mMode;
PRUint32 mChunkSize;
nsresult mStatus;
PRPackedBool mIsPending;
};
#endif // !nsAsyncStreamCopier_h__