зеркало из https://github.com/mozilla/gecko-dev.git
100 строки
2.7 KiB
C++
100 строки
2.7 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
|
|
*
|
|
* 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.org 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 nsProgressManager_h__
|
|
#define nsProgressManager_h__
|
|
|
|
#include "nsITransferListener.h"
|
|
#include "nsTime.h"
|
|
|
|
#include "prtypes.h"
|
|
#include "plhash.h"
|
|
|
|
#include "structs.h" // for MWContext
|
|
|
|
/**
|
|
* An <tt>nsProgressManager</tt> object is used to manage the progress
|
|
* bar and status bar for a context.
|
|
*/
|
|
class nsProgressManager : public nsITransferListener
|
|
{
|
|
protected:
|
|
|
|
/**
|
|
* The context to which the progress manager is bound.
|
|
*/
|
|
MWContext* fContext;
|
|
|
|
nsProgressManager(MWContext* context);
|
|
virtual ~nsProgressManager(void);
|
|
|
|
public:
|
|
|
|
/**
|
|
* Ensure that a progress manager exists in the specified context,
|
|
* creating a new one if necessary. If the context is a nested grid
|
|
* context, this may recursively create progress managers in
|
|
* parent contexts as well.
|
|
*/
|
|
static void Ensure(MWContext* context);
|
|
|
|
/**
|
|
* Release the progress manager from the current context. This may
|
|
* or may not destroy the progress manager, depending on the progress
|
|
* manager's reference count. Note that the context's
|
|
* <b>progressManager</b> field is maintained by the progress manager
|
|
* object, and will be set to <b>NULL</b> only when the progress
|
|
* manager's reference count goes to zero and the progress manager
|
|
* is destroyed.
|
|
*/
|
|
static void Release(MWContext* context);
|
|
|
|
NS_DECL_ISUPPORTS
|
|
|
|
// The nsITransferListener interface.
|
|
|
|
NS_IMETHOD
|
|
OnStartBinding(const URL_Struct* url) = 0;
|
|
|
|
NS_IMETHOD
|
|
OnProgress(const URL_Struct* url, PRUint32 bytesReceived, PRUint32 contentLength) = 0;
|
|
|
|
NS_IMETHOD
|
|
OnStatus(const URL_Struct* url, const char* message) = 0;
|
|
|
|
NS_IMETHOD
|
|
OnSuspend(const URL_Struct* url) = 0;
|
|
|
|
NS_IMETHOD
|
|
OnResume(const URL_Struct* url) = 0;
|
|
|
|
NS_IMETHOD
|
|
OnStopBinding(const URL_Struct* url, PRInt32 status, const char* message) = 0;
|
|
};
|
|
|
|
|
|
|
|
|
|
#endif // nsProgressManager_h__
|
|
|