The Tor Browser: netwerk/base/public/nsITraceableChannel.idl@6474c204b198

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

     1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */

     2 /* This Source Code Form is subject to the terms of the Mozilla Public

     3  * License, v. 2.0. If a copy of the MPL was not distributed with this

     4  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

     6 #include "nsISupports.idl"

     8 interface nsIStreamListener;

    10 /**

    11  * A channel implementing this interface allows one to intercept its data by

    12  * inserting intermediate stream listeners.

    13  */

    14 [scriptable, uuid(68167b0b-ef34-4d79-a09a-8045f7c5140e)]

    15 interface nsITraceableChannel : nsISupports

    16 {

    17     /*

    18      * Replace the channel's listener with a new one, and return the listener

    19      * the channel used to have. The new listener intercepts OnStartRequest,

    20      * OnDataAvailable and OnStopRequest calls and must pass them to

    21      * the original listener after examination. If multiple callers replace

    22      * the channel's listener, a chain of listeners is created.

    23      * The caller of setNewListener has no way to control at which place

    24      * in the chain its listener is placed.

    25      *

    26      * Note: The caller of setNewListener must not delay passing

    27      * OnStartRequest to the original listener.

    28      *

    29      * Note2: A channel may restrict when the listener can be replaced.

    30      * It is not recommended to allow listener replacement after OnStartRequest

    31      * has been called.

    32      */

    33     nsIStreamListener setNewListener(in nsIStreamListener aListener);

    34 };

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