135 lines
3.3 KiB
C++
135 lines
3.3 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
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* License Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.mozilla.org/NPL/
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*
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* Software distributed under the License is distributed on an "AS
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* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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* implied. See the License for the specific language governing
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* rights and limitations under the 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 Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All
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* Rights Reserved.
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*
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* Contributor(s):
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*/
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#ifndef nsTopProgressManager_h__
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#define nsTopProgressManager_h__
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#include "nsProgressManager.h"
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#include "nsTime.h"
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struct AggregateTransferInfo {
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PRUint32 ObjectCount;
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PRUint32 CompleteCount;
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PRUint32 SuspendedCount;
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PRUint32 MSecRemaining;
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PRUint32 BytesReceived;
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PRUint32 ContentLength;
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PRUint32 UnknownLengthCount;
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};
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/**
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* An <b>nsTopProgressManager</b> is a progress manager that is associated
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* with a top-level window context. It does the dirty work of managing the
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* progress bar and the status text.
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*/
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class nsTopProgressManager : public nsProgressManager
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{
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protected:
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/**
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* A table of URLs that we are monitoring progress for. The table is
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* keyed by <b>URL_Structs</b>, the values are <b>nsTransfer</b>
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* objects.
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*/
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PLHashTable* fURLs;
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/**
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* The time at which the progress manager was created.
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*/
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nsTime fActualStart;
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/**
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* The time at which the progress bar thinks we were created. This is used
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* with to make progress seem "monotonic": it is "slipped" backwards
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* when a transfer stalls so that the percentage complete stays constant.
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*/
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nsTime fProgressBarStart;
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/**
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* The current amount of progress shown on the chrome's progress bar
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*/
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PRUint16 fProgress;
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/**
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* The default status message to display if nothing more appropriate
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* is around.
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*/
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char* fDefaultStatus;
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/**
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* An FE timeout object that is used to periodically update the
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* status bar.
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*/
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void* fTimeout;
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/**
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* The FE timeout callback.
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*/
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static void TimeoutCallback(void* self);
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/**
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* Called to update the status bar.
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*/
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virtual void Tick(void);
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/**
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* Update the progress bar
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*/
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virtual void UpdateProgressBar(AggregateTransferInfo& info);
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/**
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* Update the status message
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*/
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virtual void UpdateStatusMessage(AggregateTransferInfo& info);
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public:
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nsTopProgressManager(MWContext* context);
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virtual ~nsTopProgressManager(void);
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NS_IMETHOD
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OnStartBinding(const URL_Struct* url);
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NS_IMETHOD
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OnProgress(const URL_Struct* url, PRUint32 bytesReceived, PRUint32 contentLength);
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NS_IMETHOD
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OnStatus(const URL_Struct* url, const char* message);
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NS_IMETHOD
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OnSuspend(const URL_Struct* url);
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NS_IMETHOD
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OnResume(const URL_Struct* url);
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NS_IMETHOD
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OnStopBinding(const URL_Struct* url, PRInt32 status, const char* message);
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};
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#endif // nsTopProgressManager_h__
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