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113 lines
4.7 KiB
Plaintext
113 lines
4.7 KiB
Plaintext
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 1998
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#include "nsISupports.idl"
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interface nsIURI;
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interface nsIRequest;
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/**
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* nsIProgressEventSink
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*
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* This interface is used to asynchronously convey channel status and progress
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* information that is generally not critical to the processing of the channel.
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* The information is intended to be displayed to the user in some meaningful
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* way.
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*
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* An implementation of this interface can be passed to a channel via the
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* channel's notificationCallbacks attribute. See nsIChannel for more info.
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*
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* The channel will begin passing notifications to the progress event sink
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* after its asyncOpen method has been called. Notifications will cease once
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* the channel calls its listener's onStopRequest method or once the channel
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* is canceled (via nsIRequest::cancel).
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*
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* NOTE: This interface is actually not specific to channels and may be used
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* with other implementations of nsIRequest.
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*/
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[scriptable, uuid(D974C99E-4148-4df9-8D98-DE834A2F6462)]
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interface nsIProgressEventSink : nsISupports
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{
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/**
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* Called to notify the event sink that progress has occurred for the
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* given request.
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*
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* @param aRequest
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* the request being observed (may QI to nsIChannel).
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* @param aContext
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* if aRequest is a channel, then this parameter is the listener
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* context passed to nsIChannel::asyncOpen.
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* @param aProgress
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* numeric value in the range 0 to aProgressMax indicating the
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* number of bytes transfered thus far.
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* @param aProgressMax
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* numeric value indicating maximum number of bytes that will be
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* transfered (or 0xFFFFFFFFFFFFFFFF if total is unknown).
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*/
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void onProgress(in nsIRequest aRequest,
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in nsISupports aContext,
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in unsigned long long aProgress,
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in unsigned long long aProgressMax);
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/**
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* Called to notify the event sink with a status message for the given
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* request.
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*
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* @param aRequest
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* the request being observed (may QI to nsIChannel).
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* @param aContext
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* if aRequest is a channel, then this parameter is the listener
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* context passed to nsIChannel::asyncOpen.
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* @param aStatus
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* status code (not necessarily an error code) indicating the
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* state of the channel (usually the state of the underlying
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* transport). see nsISocketTransport for socket specific status
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* codes.
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* @param aStatusArg
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* status code argument to be used with the string bundle service
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* to convert the status message into localized, human readable
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* text. the meaning of this parameter is specific to the value
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* of the status code. for socket status codes, this parameter
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* indicates the host:port associated with the status code.
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*/
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void onStatus(in nsIRequest aRequest,
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in nsISupports aContext,
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in nsresult aStatus,
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in wstring aStatusArg);
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};
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