dlgfolderscan.cpp

p2p软件

//
// DlgFolderScan.cpp
//
// Copyright (c) Shareaza Development Team, 2002-2004.
// This file is part of SHAREAZA (www.shareaza.com)
//
// Shareaza is free software; you can redistribute it
// and/or modify it under the terms of the GNU General Public License
// as published by the Free Software Foundation; either version 2 of
// the License, or (at your option) any later version.
//
// Shareaza is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Shareaza; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
//

#include "StdAfx.h"
#include "Shareaza.h"
#include "Settings.h"
#include "Library.h"
#include "DlgFolderScan.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif

BEGIN_MESSAGE_MAP(CFolderScanDlg, CSkinDialog)
	//{{AFX_MSG_MAP(CFolderScanDlg)
	ON_WM_TIMER()
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

CFolderScanDlg* CFolderScanDlg::m_pDialog = NULL;


/////////////////////////////////////////////////////////////////////////////
// CFolderScanDlg dialog

CFolderScanDlg::CFolderScanDlg(CWnd* pParent) : CSkinDialog(CFolderScanDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CFolderScanDlg)
	//}}AFX_DATA_INIT

	m_nCookie		= 0;
	m_nFiles		= 0;
	m_nVolume		= 0;
	m_tLastUpdate	= 0;
	m_bActive		= FALSE;

	if ( Library.Lock( 500 ) )
	{
		m_pDialog	= this;
		m_nCookie	= Library.m_nScanCount;
		Library.Unlock();
	}
}

CFolderScanDlg::~CFolderScanDlg()
{
	if ( m_pDialog )
	{
		CSingleLock pLock( &Library.m_pSection );
		pLock.Lock( 500 );
		m_pDialog = NULL;
	}
}

void CFolderScanDlg::DoDataExchange(CDataExchange* pDX)
{
	CSkinDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CFolderScanDlg)
	DDX_Control(pDX, IDC_SCAN_VOLUME, m_wndVolume);
	DDX_Control(pDX, IDC_SCAN_FILES, m_wndFiles);
	DDX_Control(pDX, IDC_SCAN_FILE, m_wndFile);
	//}}AFX_DATA_MAP
}

/////////////////////////////////////////////////////////////////////////////
// CFolderScanDlg operations

BOOL CFolderScanDlg::OnInitDialog() 
{
	CSkinDialog::OnInitDialog();
	
	SkinMe( _T("CFolderScanDlg"), IDR_LIBRARYFRAME );

	SetTimer( 1, 500, NULL );
	m_tLastUpdate	= 0;
	m_bActive		= TRUE;

	return TRUE;
}

void CFolderScanDlg::OnTimer(UINT nIDEvent) 
{
	CSingleLock pLock( &Library.m_pSection );

	if ( pLock.Lock( 50 ) && m_nCookie != Library.m_nScanCount )
	{
		pLock.Unlock();
		CSkinDialog::OnCancel();
	}
}

void CFolderScanDlg::OnCancel() 
{
	m_bActive = FALSE;

	if ( m_pDialog )
	{
		CSingleLock pLock( &Library.m_pSection );
		pLock.Lock( 500 );
		m_pDialog = NULL;
	}

	CSkinDialog::OnCancel();
}

void CFolderScanDlg::Update(LPCTSTR pszName, DWORD nVolume, BOOL bLock)
{
	if ( bLock )
	{
		if ( Library.Lock( 10 ) )
		{
			if ( m_pDialog != NULL ) m_pDialog->InstanceUpdate( pszName, nVolume );
			Library.Unlock();
		}
	}
	else if ( m_pDialog != NULL )
	{
		m_pDialog->InstanceUpdate( pszName, nVolume );
	}
}

void CFolderScanDlg::InstanceUpdate(LPCTSTR pszName, DWORD nVolume)
{
	DWORD dwNow = GetTickCount();
	CString strItem;

	m_nFiles ++;
	m_nVolume += nVolume;
	
	if ( m_bActive && dwNow - m_tLastUpdate > 250 )
	{
		m_tLastUpdate = dwNow;

		m_wndFile.SetWindowText( pszName );

		strItem.Format( _T("%lu"), m_nFiles );
		m_wndFiles.SetWindowText( strItem );

		strItem = Settings.SmartVolume( m_nVolume, TRUE );
		m_wndVolume.SetWindowText( strItem );

		RedrawWindow();
	}
}