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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 nsIRequest;
/**
* nsIRequestObserver
*/
[scriptable, uuid(fd91e2e0-1481-11d3-9333-00104ba0fd40)]
interface nsIRequestObserver : nsISupports
{
/**
* Called to signify the beginning of an asynchronous request.
*
* @param aRequest request being observed
*
* An exception thrown from onStartRequest has the side-effect of
* causing the request to be canceled.
*/
void onStartRequest(in nsIRequest aRequest);
/**
* Called to signify the end of an asynchronous request. This
* call is always preceded by a call to onStartRequest.
*
* @param aRequest request being observed
* @param aStatusCode reason for stopping (NS_OK if completed successfully)
*
* An exception thrown from onStopRequest is generally ignored.
*/
void onStopRequest(in nsIRequest aRequest,
in nsresult aStatusCode);
};