DlgFolderScan.cpp

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//
// DlgFolderScan.cpp
//
// Copyright (c) Shareaza Development Team, 2002-2005.
// 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;

        CSingleLock oLock( &Library.m_pSection );
        if ( oLock.Lock( 500 ) )
        {
                m_pDialog       = this;
                m_nCookie       = Library.m_nScanCount;
        }
}

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)
{
        CSingleLock oLock( &Library.m_pSection );
        if ( m_pDialog != NULL && oLock.Lock( 10 ) )
        {
                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();
        }
}

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