PageSettingsBitTorrent.cpp

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//
// PageSettingsBitTorrent.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 "WndMain.h"
//#include "Library.h"
//#include "LibraryHistory.h"
#include "PageSettingsBitTorrent.h"

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

IMPLEMENT_DYNCREATE(CBitTorrentSettingsPage, CSettingsPage)

BEGIN_MESSAGE_MAP(CBitTorrentSettingsPage, CSettingsPage)
        //{{AFX_MSG_MAP(CBitTorrentSettingsPage)
        ON_BN_CLICKED(IDC_TORRENT_AUTOCLEAR, OnTorrentsAutoClear)
        ON_BN_CLICKED(IDC_TORRENTS_BROWSE, OnTorrentsBrowse)
        ON_BN_CLICKED(IDC_TORRENTS_TORRENTMAKERBROWSE, OnMakerBrowse)
        //}}AFX_MSG_MAP
END_MESSAGE_MAP()


// CBitTorrentSettingsPage property page

CBitTorrentSettingsPage::CBitTorrentSettingsPage() : CSettingsPage(CBitTorrentSettingsPage::IDD)
{
        //{{AFX_DATA_INIT(CBitTorrentSettingsPage)
        m_bTorrentInterface     = FALSE;
        m_bEndGame                      = FALSE;
        m_nLinks                        = 0;
        m_nDownloads            = 0;
        m_bAutoClear            = FALSE;
        m_nClearPercentage      = 0;
        m_bPrefBTSources        = TRUE;
        m_sTracker                      = _T("");
        m_sTorrentPath          = _T("");
        m_sMakerPath            = _T("");
        //}}AFX_DATA_INIT
}

CBitTorrentSettingsPage::~CBitTorrentSettingsPage()
{
}

void CBitTorrentSettingsPage::DoDataExchange(CDataExchange* pDX)
{
        CSettingsPage::DoDataExchange(pDX);
        //{{AFX_DATA_MAP(CBitTorrentSettingsPage)
        DDX_Check(pDX, IDC_TORRENT_INTERFACE, m_bTorrentInterface);
        DDX_Check(pDX, IDC_TORRENT_ENDGAME, m_bEndGame);
        DDX_Text(pDX, IDC_TORRENT_CLIENTLINKS, m_nLinks);
        DDX_Control(pDX, IDC_TORRENT_LINKS_SPIN, m_wndLinksSpin);
        DDX_Text(pDX, IDC_TORRENT_DOWNLOADS, m_nDownloads);
        DDX_Control(pDX, IDC_TORRENT_DOWNLOADS_SPIN, m_wndDownloadsSpin);
        DDX_Check(pDX, IDC_TORRENT_AUTOCLEAR, m_bAutoClear);
        DDX_Control(pDX, IDC_TORRENT_CLEAR_PERCENTAGE, m_wndClearPercentage);
        DDX_Control(pDX, IDC_TORRENT_CLEAR_SPIN, m_wndClearPercentageSpin);
        DDX_Text(pDX, IDC_TORRENT_CLEAR_PERCENTAGE, m_nClearPercentage);
        DDX_Check(pDX, IDC_TORRENT_PREFERENCE, m_bPrefBTSources);
        DDX_Text(pDX, IDC_TORRENT_DEFAULTTRACKER, m_sTracker);
        DDX_Control(pDX, IDC_TORRENTS_BROWSE, m_wndTorrentPath);
        DDX_Text(pDX, IDC_TORRENTS_FOLDER, m_sTorrentPath);
        DDX_Control(pDX, IDC_TORRENTS_TORRENTMAKERBROWSE, m_wndMakerPath);
        DDX_Text(pDX, IDC_TORRENTS_TORRENTMAKER, m_sMakerPath);
        //}}AFX_DATA_MAP
}

// CBitTorrentSettingsPage message handlers

BOOL CBitTorrentSettingsPage::OnInitDialog() 
{
        CSettingsPage::OnInitDialog();
        m_bTorrentInterface = Settings.BitTorrent.AdvancedInterface;
        m_bEndGame                      = Settings.BitTorrent.Endgame;
        m_nLinks                        = Settings.BitTorrent.DownloadConnections;
        m_sTracker                      = Settings.BitTorrent.DefaultTracker;
        m_sTorrentPath          = Settings.Downloads.TorrentPath;
        m_nDownloads            = Settings.BitTorrent.DownloadTorrents;
        m_sMakerPath            = Settings.BitTorrent.TorrentCreatorPath;
        m_bAutoClear            = Settings.BitTorrent.AutoClear;
        m_nClearPercentage      = Settings.BitTorrent.ClearRatio;
        m_bPrefBTSources        = Settings.BitTorrent.PreferenceBTSources;

        m_wndTorrentPath.SetIcon( IDI_BROWSE );
        m_wndMakerPath.SetIcon( IDI_BROWSE );

        m_wndClearPercentage.EnableWindow( m_bAutoClear );

        DWORD nMaxTorrents = ( Settings.GetOutgoingBandwidth() / 2 ) + 2;
        nMaxTorrents = min (DWORD(10), nMaxTorrents);

        m_wndClearPercentageSpin.SetRange( 100, 999 );

        m_wndLinksSpin.SetRange( 0, 200 );
        m_wndDownloadsSpin.SetRange( 0, (WORD)nMaxTorrents );
        UpdateData( FALSE );

        return TRUE;
}

BOOL CBitTorrentSettingsPage::OnSetActive() 
{
        DWORD nMaxTorrents = ( Settings.GetOutgoingBandwidth() / 2 ) + 2;
        nMaxTorrents = min (DWORD(10), nMaxTorrents);

        m_nDownloads    = min( m_nDownloads, (int)nMaxTorrents );
        m_wndDownloadsSpin.SetRange( 0, (WORD)nMaxTorrents );

        UpdateData( FALSE );

        return CSettingsPage::OnSetActive();
}

void CBitTorrentSettingsPage::OnTorrentsAutoClear() 
{
        UpdateData();
        m_wndClearPercentage.EnableWindow( m_bAutoClear );
        m_wndClearPercentageSpin.EnableWindow( m_bAutoClear );
}

void CBitTorrentSettingsPage::OnTorrentsBrowse() 
{
        TCHAR szPath[MAX_PATH];
        LPITEMIDLIST pPath;
        LPMALLOC pMalloc;
        BROWSEINFO pBI;
                
        ZeroMemory( &pBI, sizeof(pBI) );
        pBI.hwndOwner           = AfxGetMainWnd()->GetSafeHwnd();
        pBI.pszDisplayName      = szPath;
        pBI.lpszTitle           = _T("Select folder for torrents:");
        pBI.ulFlags                     = BIF_RETURNONLYFSDIRS;
        
        pPath = SHBrowseForFolder( &pBI );

        if ( pPath == NULL ) return;

        SHGetPathFromIDList( pPath, szPath );
        SHGetMalloc( &pMalloc );
        pMalloc->Free( pPath );
        pMalloc->Release();
        
        UpdateData( TRUE );
        m_sTorrentPath = szPath;
        UpdateData( FALSE );
}

void CBitTorrentSettingsPage::OnMakerBrowse() 
{
        CFileDialog dlg( TRUE, _T("exe"), _T("TorrentWizard.exe") , OFN_HIDEREADONLY|OFN_FILEMUSTEXIST,
                _T("Executable Files|*.exe;*.com|All Files|*.*||"), this );
        
        if ( dlg.DoModal() != IDOK ) return;
        
        UpdateData( TRUE );
        m_sMakerPath = dlg.GetPathName();
        UpdateData( FALSE );
}

void CBitTorrentSettingsPage::OnOK() 
{
        BOOL bRedraw = FALSE;
        UpdateData( TRUE );

        m_nClearPercentage = min (m_nClearPercentage, 999);
        m_nClearPercentage = max (m_nClearPercentage, 100);

        if ( ! theApp.m_bNT )
        {
                // Win9x is unable to handle high numbers of connections
                m_nLinks = min ( m_nLinks, 80 );
        }
        else
        {
                // For other systems we can guestimate a good value based on available bandwidth
        if ( Settings.GetOutgoingBandwidth() < 16 )
                m_nLinks = min ( m_nLinks, 200 );
        else if ( Settings.GetOutgoingBandwidth() < 32 )
                m_nLinks = min ( m_nLinks, 300 );
        else if ( Settings.GetOutgoingBandwidth() < 64 )
                m_nLinks = min ( m_nLinks, 500 );
        else
                m_nLinks = min ( m_nLinks, 800 );
        }

        m_nDownloads = min( m_nDownloads, (int)( ( Settings.GetOutgoingBandwidth() / 2 ) + 2 ) );

        UpdateData( FALSE );

        if ( Settings.BitTorrent.AdvancedInterface != m_bTorrentInterface ) bRedraw = TRUE;

        Settings.BitTorrent.AdvancedInterface   = m_bTorrentInterface;
        Settings.BitTorrent.Endgame                             = m_bEndGame;
        Settings.BitTorrent.DownloadConnections = m_nLinks;
        Settings.BitTorrent.DownloadTorrents    = m_nDownloads;
        Settings.BitTorrent.AutoClear                   = m_bAutoClear;
        Settings.BitTorrent.ClearRatio                  = m_nClearPercentage;
        Settings.BitTorrent.PreferenceBTSources = m_bPrefBTSources;
        Settings.BitTorrent.DefaultTracker              = m_sTracker;
        Settings.Downloads.TorrentPath                  = m_sTorrentPath;
        Settings.BitTorrent.TorrentCreatorPath  = m_sMakerPath;

        /*
        // Redraw the GUI to make torrents box show/hide if we need to
        if ( bRedraw ) 
        {
                CMainWnd* pMainWnd = (CMainWnd*)AfxGetMainWnd();
                pMainWnd->SetGUIMode( Settings.General.GUIMode, FALSE );
        }
        */

        CSettingsPage::OnOK();
}

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