// DownloadDlg.cpp : implementation file
//
#include "stdafx.h"
#include "Download.h"
#include "DownloadDlg.h"
#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif
/////////////////////////////////////////////////////////////////////////////
// CAboutDlg dialog used for App About
class CAboutDlg : public CDialog
{
public:
CAboutDlg();
// Dialog Data
//{{AFX_DATA(CAboutDlg)
enum { IDD = IDD_ABOUTBOX };
//}}AFX_DATA
// ClassWizard generated virtual function overrides
//{{AFX_VIRTUAL(CAboutDlg)
protected:
virtual void DoDataExchange(CDataExchange* pDX); // DDX/DDV support
//}}AFX_VIRTUAL
// Implementation
protected:
//{{AFX_MSG(CAboutDlg)
//}}AFX_MSG
DECLARE_MESSAGE_MAP()
};
CAboutDlg::CAboutDlg() : CDialog(CAboutDlg::IDD)
{
//{{AFX_DATA_INIT(CAboutDlg)
//}}AFX_DATA_INIT
}
void CAboutDlg::DoDataExchange(CDataExchange* pDX)
{
CDialog::DoDataExchange(pDX);
//{{AFX_DATA_MAP(CAboutDlg)
//}}AFX_DATA_MAP
}
BEGIN_MESSAGE_MAP(CAboutDlg, CDialog)
//{{AFX_MSG_MAP(CAboutDlg)
// No message handlers
//}}AFX_MSG_MAP
END_MESSAGE_MAP()
/////////////////////////////////////////////////////////////////////////////
// CDownloadDlg dialog
CDownloadDlg::CDownloadDlg(CWnd* pParent /*=NULL*/)
: MainDlgBase(CDownloadDlg::IDD, pParent)
{
//{{AFX_DATA_INIT(CDownloadDlg)
m_strURL = _T("");
m_strStatus = _T("");
m_strAverage = _T("");
m_strCurrent = _T("");
m_nSelTask = -1;
m_nDownload = 0;
m_strTotal = _T("");
//}}AFX_DATA_INIT
// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}
void CDownloadDlg::DoDataExchange(CDataExchange* pDX)
{
MainDlgBase::DoDataExchange(pDX);
//{{AFX_DATA_MAP(CDownloadDlg)
DDX_Control(pDX, IDC_PROGRESS, m_Progress);
DDX_Text(pDX, IDC_FILE_URL, m_strURL);
DDX_Text(pDX, IDC_STATUS, m_strStatus);
DDX_Text(pDX, IDC_AVERAGE_SPEED, m_strAverage);
DDX_Text(pDX, IDC_CURRENT_SPEED, m_strCurrent);
DDX_LBIndex(pDX, IDC_TASK_LIST, m_nSelTask);
DDX_Text(pDX, IDC_DOWNLOAD_BYTE, m_nDownload);
DDX_Text(pDX, IDC_TOTAL_BYTE, m_strTotal);
//}}AFX_DATA_MAP
}
BEGIN_MESSAGE_MAP(CDownloadDlg, MainDlgBase)
//{{AFX_MSG_MAP(CDownloadDlg)
ON_WM_SYSCOMMAND()
ON_WM_PAINT()
ON_WM_QUERYDRAGICON()
ON_LBN_SELCHANGE(IDC_TASK_LIST, OnSelchangeTaskList)
ON_LBN_DBLCLK(IDC_TASK_LIST, OnDblclkTaskList)
//}}AFX_MSG_MAP
END_MESSAGE_MAP()
/////////////////////////////////////////////////////////////////////////////
// CDownloadDlg message handlers
BOOL CDownloadDlg::OnInitDialog()
{
MainDlgBase::OnInitDialog();
// Add "About..." menu item to system menu.
// IDM_ABOUTBOX must be in the system command range.
ASSERT((IDM_ABOUTBOX & 0xFFF0) == IDM_ABOUTBOX);
ASSERT(IDM_ABOUTBOX < 0xF000);
CMenu* pSysMenu = GetSystemMenu(FALSE);
if (pSysMenu != NULL)
{
CString strAboutMenu;
strAboutMenu.LoadString(IDS_ABOUTBOX);
if (!strAboutMenu.IsEmpty())
{
pSysMenu->AppendMenu(MF_SEPARATOR);
pSysMenu->AppendMenu(MF_STRING, IDM_ABOUTBOX, strAboutMenu);
}
}
// Set the icon for this dialog. The framework does this automatically
// when the application's main window is not a dialog
SetIcon(m_hIcon, TRUE); // Set big icon
SetIcon(m_hIcon, FALSE); // Set small icon
m_Progress.SetRange (0, 100) ;
UpdateShowInfo() ;
return TRUE; // return TRUE unless you set the focus to a control
}
void CDownloadDlg::OnSysCommand(UINT nID, LPARAM lParam)
{
if ((nID & 0xFFF0) == IDM_ABOUTBOX)
{
CAboutDlg dlgAbout;
dlgAbout.DoModal();
}
else
{
MainDlgBase::OnSysCommand(nID, lParam);
}
}
// If you add a minimize button to your dialog, you will need the code below
// to draw the icon. For MFC applications using the document/view model,
// this is automatically done for you by the framework.
void CDownloadDlg::OnPaint()
{
if (IsIconic())
{
CPaintDC dc(this); // device context for painting
SendMessage(WM_ICONERASEBKGND, (WPARAM) dc.GetSafeHdc(), 0);
// Center icon in client rectangle
int cxIcon = GetSystemMetrics(SM_CXICON);
int cyIcon = GetSystemMetrics(SM_CYICON);
CRect rect;
GetClientRect(&rect);
int x = (rect.Width() - cxIcon + 1) / 2;
int y = (rect.Height() - cyIcon + 1) / 2;
// Draw the icon
dc.DrawIcon(x, y, m_hIcon);
}
else
{
MainDlgBase::OnPaint();
}
}
// The system calls this to obtain the cursor to display while the user drags
// the minimized window.
HCURSOR CDownloadDlg::OnQueryDragIcon()
{
return (HCURSOR) m_hIcon;
}
void CDownloadDlg::OnOK()
{
UpdateData() ;
((CEdit*)GetDlgItem(IDC_FILE_URL))->SetSel(0,-1) ;
GetDlgItem(IDC_FILE_URL)->SetFocus() ;
if (m_strURL.IsEmpty())
return ;
if (FindTask(m_strURL))
{
AfxMessageBox (_T("The URL task has exist.")) ;
return ;
}
DownloadFile(m_strURL) ;
}
BOOL CDownloadDlg::DownloadFile_OnCheckTime (CString strFileURL, CString strTime)
{
TaskPack * p = new TaskPack ;
p->strURL = strFileURL ;
m_Task.push_back (p) ;
CListBox * pList = (CListBox*)GetDlgItem(IDC_TASK_LIST) ;
pList->SetCurSel (pList->AddString (strFileURL)) ;
return TRUE ;
}
void CDownloadDlg::DownloadFile_OnFinished (CString strFileURL, char* pBuffer, int nLength)
{
TaskPack * p = FindTask (strFileURL) ;
p->nDownload = p->nTotal = nLength ;
p->strStatus = _T("Finished") ;
p->tickEnd = ::GetTickCount() ;
ASSERT(!p->pContext) ;
p->pContext = new BYTE[nLength+8] ;
ZeroMemory (p->pContext, nLength+8) ;
CopyMemory (p->pContext, pBuffer, nLength) ;
UpdateShowInfo() ;
IMFlashWindow(GetSafeHwnd()) ;
}
void CDownloadDlg::DownloadFile_OnProgress (CString strFileURL, int nNow, int nTotal)
{
TaskPack * p = FindTask (strFileURL) ;
p->nDownDelta = nNow - p->nDownload ;
p->tickDelta = GetTickCount() - p->tickEnd ;
p->nDownload = nNow ;
p->nTotal = nTotal ;
p->tickEnd = GetTickCount() ;
UpdateShowInfo() ;
}
void CDownloadDlg::DownloadFile_OnError (CString strFileURL)
{
TaskPack * p = FindTask (strFileURL) ;
if (!p)
return ;
p->strStatus = _T("Error") ;
UpdateShowInfo() ;
}
void CDownloadDlg::OnSelchangeTaskList()
{
UpdateShowInfo() ;
}
void CDownloadDlg::UpdateShowInfo()
{
UpdateData() ;
if (m_nSelTask == -1)
{
m_nDownload = 0 ;
m_strStatus = m_strCurrent = m_strAverage = _T("---") ;
m_Progress.SetPos(0) ;
UpdateData(FALSE) ;
return ;
}
TaskPack * p = m_Task[m_nSelTask] ;
// set progress
int nPos = 0 ;
if (p->nTotal)
nPos = p->nDownload * 100 / p->nTotal ;
m_Progress.SetPos (nPos) ;
m_strStatus = p->strStatus ;
m_nDownload = p->nDownload ;
if (p->nTotal)
{
m_strTotal.Format (_T("%d"), p->nTotal) ;
}
else
{
m_strTotal = _T("unknown") ;
}
if (m_strStatus == _T("Downloading"))
{
int n = p->tickDelta ? (p->nDownDelta / p->tickDelta) : 9999 ;
m_strCurrent.Format (_T("%d Kb/s"), n) ;
}
else
{
m_strCurrent = _T("---") ;
}
DWORD dw = (p->tickEnd - p->tickStart) ;
int n = dw ? (p->nDownload / dw) : 9999 ;
m_strAverage.Format (_T("%d Kb/s"), n) ;
UpdateData(FALSE) ;
}
void CDownloadDlg::OnDblclkTaskList()
{
UpdateData() ;
if (m_nSelTask != -1)
{
TaskPack * p = m_Task[m_nSelTask] ;
if (p->pContext)
{
CFileDialog dlg (FALSE) ;
if (dlg.DoModal() == IDOK)
{
CFile outFile (dlg.GetPathName(), CFile::modeCreate|CFile::modeReadWrite) ;
outFile.Write (p->pCo
没有合适的资源?快使用搜索试试~ 我知道了~
使用 CInternetSession 封装多线程 http 文件下载(源码)
共14个文件
h:5个
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2013-04-07
11:23:36
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使用 CInternetSession 封装多线程 http 文件下载(源码) http://blog.csdn.net/dragoo1/article/details/8766685
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收起资源包目录
1174129496_ddvip_2380.zip (14个子文件)
api.html 20KB
Download
Download.dsp 4KB
resource.h 1008B
DownloadDlg.cpp 8KB
Download.h 1KB
Download.rc 6KB
Controller_DownloadFile.h 16KB
res
Download.rc2 400B
Download.ico 1KB
Download.dsw 539B
DownloadDlg.h 3KB
StdAfx.cpp 210B
Download.cpp 2KB
StdAfx.h 2KB
共 14 条
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- PUXIN122013-09-23改改还是能用的,再多点注释就好了
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