зеркало из https://github.com/mozilla/gecko-dev.git
92 строки
3.0 KiB
C++
92 строки
3.0 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
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*
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* The contents of this file are subject to the Netscape Public License
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* Version 1.0 (the "NPL"); you may not use this file except in
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* compliance with the NPL. You may obtain a copy of the NPL at
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* http://www.mozilla.org/NPL/
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*
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* Software distributed under the NPL is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
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* for the specific language governing rights and limitations under the
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* NPL.
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*
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* The Initial Developer of this code under the NPL is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All Rights
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* Reserved.
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*/
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#ifndef nsITransferListener_h__
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#define nsITransferListener_h__
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#include "nsISupports.h"
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#include "net.h" // for URL_Struct
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// {663f0fa1-edfe-11d9-8031-006008159b5a}
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#define NS_ITRANSFERLISTENER_IID \
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{0x663f0fa1, 0xedfe, 0x11d9, \
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{0x80, 0x31, 0x00, 0x60, 0x08, 0x15, 0x9b, 0x5a}}
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/**
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* This interface is <i>almost</i> identical to the <tt>nsIStreamListener</tt>
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* interface. The reason that I don't just use that interface is that it's
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* a little bit too heavy-weight right now: it brings in <tt>nsIURL</tt> and
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* <tt>nsString</tt>, which in turn bring in a bunch of stuff that just isn't
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* really running in Mozilla yet.
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*
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* <p>The interface defines an object to which a stream or "transfer"
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* can report its status.
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*/
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class nsITransferListener : public nsISupports
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{
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public:
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/**
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* Notify the observer that the URL has started to load. This method is
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* called only once, at the beginning of a URL load.
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*/
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NS_IMETHOD
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OnStartBinding(const URL_Struct* url) = 0;
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/**
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* Notify the observer that progress as occurred for the URL load.<BR>
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*/
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NS_IMETHOD
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OnProgress(const URL_Struct* url, PRUint32 bytesReceived, PRUint32 contentLength) = 0;
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/**
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* Notify the observer with a status message for the URL load.<BR>
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*/
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NS_IMETHOD
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OnStatus(const URL_Struct* url, const char* message) = 0;
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/**
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* Notify the observer that the transfer has been suspended.
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*/
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NS_IMETHOD
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OnSuspend(const URL_Struct* url) = 0;
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/**
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* Notify the observer that the transfer has been resumed.
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*/
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NS_IMETHOD
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OnResume(const URL_Struct* url) = 0;
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/**
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* Notify the observer that the URL has finished loading. This method is
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* called once when the networking library has finished processing the
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* URL transaction.<BR><BR>
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*
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* This method is called regardless of whether the URL loaded successfully.<BR><BR>
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*
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* @param status Status code for the URL load.
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* @param msg A text string describing the error.
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* @return The return value is currently ignored.
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*/
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NS_IMETHOD
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OnStopBinding(const URL_Struct* url, PRInt32 status, const char* message) = 0;
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};
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#endif /* nsITransferListener_h__ */
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