gecko-dev/netwerk/base/nsINetworkInterceptControll...

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/* -*- 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 nsIHttpChannelInternal;
interface nsIOutputStream;
interface nsIURI;
/**
* Interface to allow implementors of nsINetworkInterceptController to control the behaviour
* of intercepted channels without tying implementation details of the interception to
* the actual channel. nsIInterceptedChannel is expected to be implemented by objects
* which do not implement nsIChannel.
*/
[scriptable, uuid(0b5f82a7-5824-4a0d-bf5c-8a8a7684c0c8)]
interface nsIInterceptedChannel : nsISupports
{
/**
* Instruct a channel that has been intercepted to continue with the original
* network request.
*/
void resetInterception();
/**
* Attach a header name/value pair to the forthcoming synthesized response.
* Overwrites any existing header value.
*/
void synthesizeHeader(in ACString name, in ACString value);
/**
* Instruct a channel that has been intercepted that a response has been
* synthesized and can now be read. No further header modification is allowed
* after this point.
*/
void finishSynthesizedResponse();
};
/**
* Interface to allow consumers to attach themselves to a channel's
* notification callbacks/loadgroup and determine if a given channel
* request should be intercepted before any network request is initiated.
*/
[scriptable, uuid(b3ad3e9b-91d8-44d0-a0c5-dc2e9374f599)]
interface nsINetworkInterceptController : nsISupports
{
/**
* Returns true if a channel should avoid initiating any network
* requests until specifically instructed to do so.
*
* @param aURI the URI being requested by a channel
*/
bool shouldPrepareForIntercept(in nsIURI aURI);
/**
* Notification when a given intercepted channel is prepared to accept a synthesized
* response via the provided stream.
*
* @param aChannel the controlling interface for a channel that has been intercepted
* @param aStream a stream directly into the channel's synthesized response body
*/
void channelIntercepted(in nsIInterceptedChannel aChannel, in nsIOutputStream aStream);
};