www.pudn.com > DownloadDlg_src.zip > HttpDownloadDlg.h

/* 
Module : HTTPDOWNLOADDLG.H 
Purpose: Defines the interface for an MFC dialog which performs HTTP downloads 
         similiar to the Internet Explorer download dialog 
 
Copyright (c) 1999 - 2000 by PJ Naughter.   
All rights reserved. 
 
*/ 
 
 
////////////////////////////////// Macros /////////////////////////// 
 
#ifndef __HTTPDOWNLOADDLG_H__ 
#define __HTTPDOWNLOADDLG_H__ 
 
 
 
/////////////////////////// Classes ///////////////////////////////// 
 
class CHttpDownloadDlg : public CDialog 
{ 
public: 
//Constructors / Destructors 
	CHttpDownloadDlg(CWnd* pParent = NULL); 
 
//Public Member variables 
  CString m_sURLToDownload; 
  CString m_sFileToDownloadInto; 
  CString m_sUserName; 
  CString m_sPassword; 
 
protected: 
	//{{AFX_DATA(CHttpDownloadDlg) 
	enum { IDD = IDD_HTTPDOWNLOAD }; 
	CStatic	m_ctrlStatus; 
	CStatic	m_ctrlTransferRate; 
	CStatic	m_ctrlTimeLeft; 
	CProgressCtrl	m_ctrlProgress; 
	CStatic	m_ctrlFileStatus; 
	CAnimateCtrl m_ctrlAnimate; 
	//}}AFX_DATA 
 
	//{{AFX_VIRTUAL(CHttpDownloadDlg) 
	virtual void DoDataExchange(CDataExchange* pDX); 
	//}}AFX_VIRTUAL 
 
	//{{AFX_MSG(CHttpDownloadDlg) 
	virtual BOOL OnInitDialog(); 
	afx_msg void OnDestroy(); 
	virtual void OnCancel(); 
	afx_msg void OnClose(); 
	//}}AFX_MSG 
  afx_msg LRESULT OnThreadFinished(WPARAM wParam, LPARAM lParam); 
 
	DECLARE_MESSAGE_MAP() 
  DECLARE_DYNAMIC(CHttpDownloadDlg); 
 
  static void CALLBACK _OnStatusCallBack(HINTERNET hInternet, DWORD dwContext, DWORD dwInternetStatus,  
                                        LPVOID lpvStatusInformation, DWORD dwStatusInformationLength); 
  void OnStatusCallBack(HINTERNET hInternet, DWORD dwInternetStatus,  
                        LPVOID lpvStatusInformation, DWORD dwStatusInformationLength); 
  static UINT _DownloadThread(LPVOID pParam); 
  void HandleThreadErrorWithLastError(UINT nIDError, DWORD dwLastError=0); 
  void HandleThreadError(UINT nIDError); 
  void DownloadThread(); 
  void SetPercentage(int nPercentage); 
  void SetTimeLeft(DWORD dwSecondsLeft, DWORD dwBytesRead, DWORD dwFileSize); 
  void SetProgressRange(DWORD dwFileSize); 
  void SetStatus(const CString& sCaption); 
  void SetStatus(UINT nID); 
  void SetStatus(UINT nID, const CString& lpsz1); 
  void SetTransferRate(double KbPerSecond); 
  void PlayAnimation(); 
  void SetProgress(DWORD dwBytesRead); 
  void UpdateControlsDuringTransfer(DWORD dwStartTicks, DWORD& dwCurrentTicks, DWORD dwTotalBytesRead, DWORD& dwLastTotalBytes,  
                                    DWORD& dwLastPercentage, BOOL bGotFileSize, DWORD dwFileSize); 
 
  CString       m_sError; 
  CString       m_sServer;  
  CString       m_sObject;  
  CString       m_sFilename; 
  INTERNET_PORT m_nPort; 
  DWORD         m_dwServiceType; 
  HINTERNET     m_hInternetSession; 
  HINTERNET     m_hHttpConnection; 
  HINTERNET     m_hHttpFile; 
  BOOL          m_bAbort; 
  BOOL          m_bSafeToClose; 
  CFile         m_FileToWrite; 
  CWinThread*   m_pThread; 
}; 
 
 
#endif //__HTTPDOWNLOADDLG_H__