/usr/share/idl/thunderbird/nsITraceableChannel.idl is in thunderbird-dev 1:52.8.0-1~deb8u1.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 | /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "nsISupports.idl"
interface nsIStreamListener;
/**
* A channel implementing this interface allows one to intercept its data by
* inserting intermediate stream listeners.
*/
[scriptable, uuid(68167b0b-ef34-4d79-a09a-8045f7c5140e)]
interface nsITraceableChannel : nsISupports
{
/*
* Replace the channel's listener with a new one, and return the listener
* the channel used to have. The new listener intercepts OnStartRequest,
* OnDataAvailable and OnStopRequest calls and must pass them to
* the original listener after examination. If multiple callers replace
* the channel's listener, a chain of listeners is created.
* The caller of setNewListener has no way to control at which place
* in the chain its listener is placed.
*
* Note: The caller of setNewListener must not delay passing
* OnStartRequest to the original listener.
*
* Note2: A channel may restrict when the listener can be replaced.
* It is not recommended to allow listener replacement after OnStartRequest
* has been called.
*/
nsIStreamListener setNewListener(in nsIStreamListener aListener);
};
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