зеркало из https://github.com/mozilla/gecko-dev.git
96 строки
2.6 KiB
C++
96 строки
2.6 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 nsProgressManager_h__
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#define nsProgressManager_h__
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#include "nsITransferListener.h"
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#include "nsTime.h"
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#include "prtypes.h"
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#include "plhash.h"
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#include "structs.h" // for MWContext
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/**
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* An <tt>nsProgressManager</tt> object is used to manage the progress
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* bar and status bar for a context.
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*/
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class nsProgressManager : public nsITransferListener
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{
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protected:
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/**
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* The context to which the progress manager is bound.
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*/
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MWContext* fContext;
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nsProgressManager(MWContext* context);
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virtual ~nsProgressManager(void);
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public:
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/**
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* Ensure that a progress manager exists in the specified context,
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* creating a new one if necessary. If the context is a nested grid
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* context, this may recursively create progress managers in
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* parent contexts as well.
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*/
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static void Ensure(MWContext* context);
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/**
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* Release the progress manager from the current context. This may
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* or may not destroy the progress manager, depending on the progress
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* manager's reference count. Note that the context's
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* <b>progressManager</b> field is maintained by the progress manager
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* object, and will be set to <b>NULL</b> only when the progress
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* manager's reference count goes to zero and the progress manager
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* is destroyed.
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*/
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static void Release(MWContext* context);
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NS_DECL_ISUPPORTS
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// The nsITransferListener interface.
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NS_IMETHOD
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OnStartBinding(const URL_Struct* url) = 0;
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NS_IMETHOD
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OnProgress(const URL_Struct* url, PRUint32 bytesReceived, PRUint32 contentLength) = 0;
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NS_IMETHOD
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OnStatus(const URL_Struct* url, const char* message) = 0;
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NS_IMETHOD
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OnSuspend(const URL_Struct* url) = 0;
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NS_IMETHOD
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OnResume(const URL_Struct* url) = 0;
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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 // nsProgressManager_h__
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