michael@0: /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
michael@0: /* vim: set ts=8 sts=2 et sw=2 tw=80: */
michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: #ifndef _adivertablechannelparent_h_
michael@0: #define _adivertablechannelparent_h_
michael@0: 
michael@0: #include "nsISupports.h"
michael@0: 
michael@0: class nsIStreamListener;
michael@0: 
michael@0: namespace mozilla {
michael@0: namespace net {
michael@0: 
michael@0: // To be implemented by a channel's parent actors, e.g. HttpChannelParent
michael@0: // and FTPChannelParent. Used by ChannelDiverterParent to divert
michael@0: // nsIStreamListener callbacks from the child process to a new
michael@0: // listener in the parent process.
michael@0: class ADivertableParentChannel : public nsISupports
michael@0: {
michael@0: public:
michael@0:   // Called by ChannelDiverterParent::DivertTo(nsIStreamListener*).
michael@0:   // The listener should now be used to received nsIStreamListener callbacks,
michael@0:   // i.e. OnStartRequest, OnDataAvailable and OnStopRequest, as if it had been
michael@0:   // passed to AsyncOpen for the channel. A reference to the listener will be
michael@0:   // added and kept until OnStopRequest has completed.
michael@0:   virtual void DivertTo(nsIStreamListener *aListener) = 0;
michael@0: 
michael@0:   // Called to suspend parent channel in ChannelDiverterParent constructor.
michael@0:   virtual nsresult SuspendForDiversion() = 0;
michael@0: };
michael@0: 
michael@0: } // namespace net
michael@0: } // namespace mozilla
michael@0: 
michael@0: #endif