gecko-dev/webshell/public/nsIDocumentLoaderObserver.h

99 строки
3.2 KiB
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/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
*
* The contents of this file are subject to the Netscape Public
* License Version 1.1 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.mozilla.org/NPL/
*
* Software distributed under the License is distributed on an "AS
* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
* implied. See the License for the specific language governing
* rights and limitations under the License.
*
* The Original Code is Mozilla Communicator client code.
*
* The Initial Developer of the Original Code is Netscape Communications
* Corporation. Portions created by Netscape are
* Copyright (C) 1998 Netscape Communications Corporation. All
* Rights Reserved.
*
* Contributor(s):
*/
#ifndef nsIDocumentLoaderObserver_h___
#define nsIDocumentLoaderObserver_h___
#include "nsISupports.h"
// Forward declarations...
class nsIURI;
class nsIContentViewer;
class nsIDocumentLoader;
class nsIChannel;
/* f6b4f550-317c-11d2-bd8c-00805f8ae3f4 */
#define NS_IDOCUMENT_LOADER_OBSERVER_IID \
{ 0xf6b4f550, 0x317c, 0x11d2, \
{0xbd, 0x8c, 0x00, 0x80, 0x5f, 0x8a, 0xe3, 0xf4} }
/*
*
*
*/
class nsIDocumentLoaderObserver : public nsISupports
{
public:
NS_DEFINE_STATIC_IID_ACCESSOR(NS_IDOCUMENT_LOADER_OBSERVER_IID)
/**
* Notify the observer that a new document will be loaded.
*
* This notification occurs before any DNS resolution occurs, or
* a connection is established with the server...
*/
NS_IMETHOD OnStartDocumentLoad(nsIDocumentLoader* loader, nsIURI* aURL, const char* aCommand) = 0;
/**
* Notify the observer that a document has been completely loaded.
*/
NS_IMETHOD OnEndDocumentLoad(nsIDocumentLoader* loader, nsIChannel* channel, nsresult aStatus) = 0;
/**
* Notify the observer that the specified nsIURI has just started to load.
*
* This notification occurs after DNS resolution, and a connection to the
* server has been established.
*/
NS_IMETHOD OnStartURLLoad(nsIDocumentLoader* loader, nsIChannel* channel) = 0;
/**
* Notify the observer that progress has occurred in the loading of the
* specified URL...
*/
NS_IMETHOD OnProgressURLLoad(nsIDocumentLoader* loader,
nsIChannel* channel, PRUint32 aProgress,
PRUint32 aProgressMax) = 0;
/**
* Notify the observer that status text is available regarding the URL
* being loaded...
*/
NS_IMETHOD OnStatusURLLoad(nsIDocumentLoader* loader, nsIChannel* channel, nsString& aMsg) = 0;
/**
* Notify the observer that the specified nsIURI has finished loading.
*/
NS_IMETHOD OnEndURLLoad(nsIDocumentLoader* loader, nsIChannel* channel, nsresult aStatus) = 0;
/**
* Notify the observer that some content of unknown type has been
* encountered...
*/
NS_IMETHOD HandleUnknownContentType( nsIDocumentLoader* loader,
nsIChannel* channel,
const char *aContentType,
const char *aCommand ) = 0;
};
#endif /* nsIDocumentLoaderObserver_h___ */