netwerk/base/public/nsITraceableChannel.idl

Tue, 06 Jan 2015 21:39:09 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Tue, 06 Jan 2015 21:39:09 +0100
branch
TOR_BUG_9701
changeset 8
97036ab72558
permissions
-rw-r--r--

Conditionally force memory storage according to privacy.thirdparty.isolate;
This solves Tor bug #9701, complying with disk avoidance documented in
https://www.torproject.org/projects/torbrowser/design/#disk-avoidance.

michael@0 1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
michael@0 2 /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0 3 * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0 4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0 5
michael@0 6 #include "nsISupports.idl"
michael@0 7
michael@0 8 interface nsIStreamListener;
michael@0 9
michael@0 10 /**
michael@0 11 * A channel implementing this interface allows one to intercept its data by
michael@0 12 * inserting intermediate stream listeners.
michael@0 13 */
michael@0 14 [scriptable, uuid(68167b0b-ef34-4d79-a09a-8045f7c5140e)]
michael@0 15 interface nsITraceableChannel : nsISupports
michael@0 16 {
michael@0 17 /*
michael@0 18 * Replace the channel's listener with a new one, and return the listener
michael@0 19 * the channel used to have. The new listener intercepts OnStartRequest,
michael@0 20 * OnDataAvailable and OnStopRequest calls and must pass them to
michael@0 21 * the original listener after examination. If multiple callers replace
michael@0 22 * the channel's listener, a chain of listeners is created.
michael@0 23 * The caller of setNewListener has no way to control at which place
michael@0 24 * in the chain its listener is placed.
michael@0 25 *
michael@0 26 * Note: The caller of setNewListener must not delay passing
michael@0 27 * OnStartRequest to the original listener.
michael@0 28 *
michael@0 29 * Note2: A channel may restrict when the listener can be replaced.
michael@0 30 * It is not recommended to allow listener replacement after OnStartRequest
michael@0 31 * has been called.
michael@0 32 */
michael@0 33 nsIStreamListener setNewListener(in nsIStreamListener aListener);
michael@0 34 };

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