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61 lines
2.3 KiB
Plaintext
61 lines
2.3 KiB
Plaintext
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "nsISupports.idl"
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%{C++
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namespace mozilla {
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namespace net {
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class ChannelDiverterChild;
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}
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}
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%}
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[ptr] native ChannelDiverterChild(mozilla::net::ChannelDiverterChild);
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interface nsIStreamListener;
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/**
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* A channel implementing this interface allows diverting from an
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* nsIStreamListener in the child process to one in the parent.
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*/
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[uuid(4430e0d0-ff70-45f5-99dc-b5fd06943fc1)]
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interface nsIDivertableChannel : nsISupports
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{
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/**
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* CHILD ONLY.
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* Called by Necko client in child process during OnStartRequest to divert
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* nsIStreamListener and nsIRequest callbacks to the parent process.
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*
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* The process should look like the following:
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*
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* 1) divertToParent is called in the child process. It can only be called
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* during OnStartRequest().
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*
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* 2) The ChannelDiverterChild that is returned is an IPDL object. It should
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* be passed via some other IPDL method of the client's choosing to the
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* parent. On the parent the ChannelDiverterParent's divertTo() function
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* should be called with an nsIStreamListener that will then receive the
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* OnStartRequest/OnDataAvailable/OnStopRequest for the channel. The
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* ChannelDiverterParent can then be deleted (which will also destroy the
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* ChannelDiverterChild in the child).
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*
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* After divertToParent() has been called, NO further function calls
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* should be made on the channel. It is a dead object for all purposes.
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* The reference that the channel holds to the listener in the child is
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* released is once OnStartRequest completes, and no other
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* nsIStreamListener calls (OnDataAvailable, OnStopRequest) will be made
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* to it.
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*
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* @return ChannelDiverterChild IPDL actor to be passed to parent process by
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* client IPDL message, e.g. PClient.DivertUsing(PDiverterChild).
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*
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* @throws exception if the channel was canceled early. Throws status code of
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* canceled channel.
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*/
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ChannelDiverterChild divertToParent();
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};
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