mirror of
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111 lines
3.6 KiB
C++
111 lines
3.6 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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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.org 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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*
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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 nsStreamObserverProxy_h__
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#define nsStreamObserverProxy_h__
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#include "nsIStreamObserver.h"
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#include "nsIEventQueue.h"
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#include "nsIChannel.h"
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#include "nsCOMPtr.h"
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#include "prlog.h"
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#if defined(PR_LOGGING)
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extern PRLogModuleInfo *gStreamProxyLog;
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#endif
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class nsStreamProxyBase : public nsIStreamObserver
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{
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public:
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NS_DECL_ISUPPORTS
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NS_DECL_NSISTREAMOBSERVER
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nsStreamProxyBase() { }
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virtual ~nsStreamProxyBase() {}
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nsIEventQueue *GetEventQueue() { return mEventQ.get(); }
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nsIStreamObserver *GetReceiver() { return mReceiver.get(); }
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nsresult SetEventQueue(nsIEventQueue *);
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nsresult SetReceiver(nsIStreamObserver *aReceiver) {
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PRBool same = ::SameCOMIdentity(aReceiver, this);
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NS_ASSERTION((!same), "aReceiver is self");
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mReceiver = aReceiver;
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return NS_OK;
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}
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private:
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nsCOMPtr<nsIEventQueue> mEventQ;
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nsCOMPtr<nsIStreamObserver> mReceiver;
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};
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class nsStreamObserverProxy : public nsStreamProxyBase
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, public nsIStreamObserverProxy
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{
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public:
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NS_DECL_ISUPPORTS_INHERITED
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NS_FORWARD_NSISTREAMOBSERVER(nsStreamProxyBase::)
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NS_DECL_NSISTREAMOBSERVERPROXY
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};
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class nsStreamObserverEvent
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{
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public:
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nsStreamObserverEvent(nsStreamProxyBase *proxy,
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nsIRequest *request, nsISupports *context);
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virtual ~nsStreamObserverEvent();
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nsresult FireEvent(nsIEventQueue *);
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NS_IMETHOD HandleEvent() = 0;
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protected:
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static void PR_CALLBACK HandlePLEvent(PLEvent *);
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static void PR_CALLBACK DestroyPLEvent(PLEvent *);
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PLEvent mEvent;
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nsStreamProxyBase *mProxy;
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nsCOMPtr<nsIRequest> mRequest;
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nsCOMPtr<nsISupports> mContext;
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};
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#define GET_STREAM_OBSERVER_EVENT(_mEvent_ptr) \
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((nsStreamObserverEvent *) \
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((char *)(_mEvent_ptr) - offsetof(nsStreamObserverEvent, mEvent)))
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#endif /* !nsStreamObserverProxy_h__ */
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