boinc/clientgui/BOINCGUIApp.cpp

// Berkeley Open Infrastructure for Network Computing
// http://boinc.berkeley.edu
// Copyright (C) 2005 University of California
//
// This is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation;
// either version 2.1 of the License, or (at your option) any later version.
//
// This software 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 Lesser General Public License for more details.
//
// To view the GNU Lesser General Public License visit
// http://www.gnu.org/copyleft/lesser.html
// or write to the Free Software Foundation, Inc.,
// 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

#if defined(__GNUG__) && !defined(__APPLE__)
#pragma implementation "BOINCGUIApp.h"
#endif

#ifdef __WXMAC__
#include <Carbon/Carbon.h>
#include "filesys.h"
#include "util.h"
#if (defined(SANDBOX) && defined(_DEBUG))
#include "SetupSecurity.h"
#endif
#endif

#include "stdwx.h"
#include "diagnostics.h"
#include "network.h"
#include "util.h"
#include "mfile.h"
#include "miofile.h"
#include "parse.h"
#include "Events.h"
#include "common/wxFlatNotebook.h"
#include "LogBOINC.h"
#include "BOINCGUIApp.h"
#include "SkinManager.h"
#include "MainDocument.h"
#include "BOINCTaskBar.h"
#include "BOINCBaseFrame.h"
#include "AdvancedFrame.h"
#include "sg_ImageLoader.h"
#include "sg_StatImageLoader.h"
#include "sg_BoincSimpleGUI.h"
#include "DlgGenericMessage.h"

static bool s_bSkipExitConfirmation;

#ifdef __WXMSW__
EXTERN_C BOOL  IsBOINCServiceInstalled();
EXTERN_C BOOL  IsBOINCServiceStarting();
EXTERN_C BOOL  IsBOINCServiceRunning();
EXTERN_C BOOL  IsBOINCServiceStopping();
EXTERN_C BOOL  IsBOINCServiceStopped();
EXTERN_C BOOL  StartBOINCService();
EXTERN_C BOOL  StopBOINCService();
EXTERN_C BOOL  ClientLibraryStartup();
EXTERN_C void  ClientLibraryShutdown();
EXTERN_C int   BOINCIsNetworkAlive(long* lpdwFlags);
EXTERN_C int   BOINCIsNetworkAlwaysOnline();
EXTERN_C DWORD BOINCGetIdleTickCount();
#endif

IMPLEMENT_APP(CBOINCGUIApp)
IMPLEMENT_DYNAMIC_CLASS(CBOINCGUIApp, wxApp)


bool CBOINCGUIApp::OnInit() {

    // Setup variables with default values
    m_bBOINCStartedByManager = false;
    m_strBOINCArguments = wxEmptyString;
    m_pLocale = NULL;
    m_pSkinManager = NULL;
    m_pFrame = NULL;
    m_pDocument = NULL;
    m_pTaskBarIcon = NULL;
#ifdef __WXMAC__
    m_pMacSystemMenu = NULL;
    printf("Using %s.\n", wxVERSION_STRING);    // For debugging
#endif
    m_bGUIVisible = true;
    m_strDefaultWindowStation = wxEmptyString;
    m_strDefaultDesktop = wxEmptyString;
    m_strDefaultDisplay = wxEmptyString;
    m_lBOINCCoreProcessId = 0;
    m_iGUISelected = BOINC_SIMPLEGUI;
#ifdef __WXMSW__
    m_hBOINCCoreProcess = NULL;
    m_hClientLibraryDll = NULL;
#endif

#if (defined(SANDBOX) || defined(__WXMAC__))
    int errCode = 0;
#endif

#ifdef SANDBOX
    g_use_sandbox = true;
#else
    g_use_sandbox = false;
#endif

    // Commandline parsing is done in wxApp::OnInit()
    if (!wxApp::OnInit()) {
        return false;
    }
    
#ifndef _WIN32
    if (g_use_sandbox)
        umask (2);  // Set file creation mask to be writable by both user and group
                    // Our umask will be inherited by all our child processes
#endif

    // Setup application and company information
    SetAppName(wxT("BOINC Manager"));
    SetVendorName(wxT("Space Sciences Laboratory, U.C. Berkeley"));

    // Initialize the configuration storage module
    m_pConfig = new wxConfig(GetAppName());
    wxConfigBase::Set(m_pConfig);
    wxASSERT(m_pConfig);

    m_pConfig->SetPath(wxT("/"));

#ifdef __WXMSW__

    TCHAR   szPath[MAX_PATH-1];

    // change the current directory to the boinc install directory
    GetModuleFileName(NULL, szPath, (sizeof(szPath)/sizeof(TCHAR)));
		
    TCHAR *pszProg = strrchr(szPath, '\\');
    if (pszProg) {
        szPath[pszProg - szPath + 1] = 0;
        SetCurrentDirectory(szPath);
    }

#endif

#ifdef __WXMAC__

    wxString strDirectory = wxEmptyString;
    bool success;

    // Set the current directory ahead of the application launch so the core
    //   client can find its files

    // The mac installer sets the "setuid & setgid" bits for the 
    // BOINC Manager and core client so any user can run them and 
    // they can operate on shared data.
    strDirectory = wxT("/Library/Application Support/");

    success = ::wxSetWorkingDirectory(strDirectory);
    if (success) {
        // If SetWD failed, don't create a directory in wrong place
        strDirectory += wxT("BOINC Data");  // We don't customize BOINC Data directory name for branding
        if (! g_use_sandbox) {
            if (! wxDirExists(strDirectory))
                success = wxMkdir(strDirectory, 0777);    // Does nothing if dir exists
        }
        success = ::wxSetWorkingDirectory(strDirectory);
//    wxChar *wd = wxGetWorkingDirectory(buf, 1000);  // For debugging
    }

    if (!success)  // wxSetWorkingDirectory("/Library/Application Support/BOINC Data") FAILED
        errCode = -1016;
#endif      // __WXMAC__
 
#ifdef SANDBOX
    // Make sure owners, groups and permissions are correct for the current setting of g_use_sandbox
    if (!errCode) {
#if (defined(__WXMAC__) && defined(_DEBUG))     // TODO: implement this for other platforms
        // GDB can't attach to applications which are running as a different user   
        //  or group, so fix up data with current user and group during debugging
        if (check_security(g_use_sandbox, true)) {
            CreateBOINCUsersAndGroups();
            SetBOINCDataOwnersGroupsAndPermissions();
            SetBOINCAppOwnersGroupsAndPermissions(NULL);
        }
#endif  // __WXMAC__ && _DEBUG
        errCode = check_security(g_use_sandbox, true);
    }
       
    if (errCode) {
        wxString strDialogMessage = wxEmptyString;
        strDialogMessage.Printf(
            _("BOINC ownership or permissions are not set properly; please reinstall BOINC.\n(Error code %d)"),
            errCode
        );
        wxMessageDialog* pDlg = new wxMessageDialog(NULL, strDialogMessage, wxT(""), wxOK);
        pDlg->ShowModal();
        if (pDlg)
            pDlg->Destroy();
        return false;
    }
#endif      // SANDBOX

    // Initialize the BOINC Diagnostics Framework
    int dwDiagnosticsFlags =
        BOINC_DIAG_DUMPCALLSTACKENABLED | 
        BOINC_DIAG_HEAPCHECKENABLED |
        BOINC_DIAG_MEMORYLEAKCHECKENABLED |
#if defined(__WXMSW__) || defined(__WXMAC__)
        BOINC_DIAG_REDIRECTSTDERR |
        BOINC_DIAG_REDIRECTSTDOUT |
#endif
        BOINC_DIAG_TRACETOSTDOUT;

    diagnostics_init(
        dwDiagnosticsFlags,
        "stdoutgui",
        "stderrgui"
    );

    // Enable Logging and Trace Masks
    m_pLog = new wxLogBOINC();
    wxLog::SetActiveTarget(m_pLog);

    m_pLog->AddTraceMask(wxT("Function Start/End"));
    m_pLog->AddTraceMask(wxT("Function Status"));

    // Enable known image types
    wxImage::AddHandler(new wxXPMHandler);
	wxImage::AddHandler(new wxPNGHandler);
	wxImage::AddHandler(new wxGIFHandler);
	wxImage::AddHandler(new wxICOHandler);

    // Initialize the internationalization module
    m_pLocale = new wxLocale();
    wxASSERT(m_pLocale);

    wxInt32 iSelectedLanguage = m_pConfig->Read(wxT("Language"), 0L);

    // Locale information is stored relative to the executable.
    m_pLocale->Init(iSelectedLanguage);
    m_pLocale->AddCatalogLookupPathPrefix(wxT("locale"));
    m_pLocale->AddCatalog(wxT("BOINC Manager"));

    InitSupportedLanguages();

    // Note: JAWS for Windows will only speak the context-sensitive
    // help if you use this help provider:
    wxHelpProvider::Set(new wxHelpControllerHelpProvider());

    // Initialize the skin manager
    m_pSkinManager = new CSkinManager();
    wxASSERT(m_pSkinManager);

    m_pSkinManager->ReloadSkin(
        m_pLocale, 
        m_pConfig->Read(wxT("Skin"), m_pSkinManager->GetDefaultSkinName())
    );

    // Initialize the main document
    m_pDocument = new CMainDocument();
    wxASSERT(m_pDocument);

    m_pDocument->OnInit();

    // Which GUI should be displayed?
    m_iGUISelected = m_pConfig->Read(wxT("GUISelection"), BOINC_SIMPLEGUI);

    // Initialize the task bar icon
#if defined(__WXMSW__) || defined(__WXMAC__)
	m_pTaskBarIcon = new CTaskBarIcon(
        m_pSkinManager->GetAdvanced()->GetApplicationName(), 
        m_pSkinManager->GetAdvanced()->GetApplicationIcon(),
        m_pSkinManager->GetAdvanced()->GetApplicationDisconnectedIcon(),
        m_pSkinManager->GetAdvanced()->GetApplicationSnoozeIcon()
    );
    wxASSERT(m_pTaskBarIcon);
#endif

    // Detect the display info and store for later use.
    DetectDisplayInfo();

    // Startup the System Idle Detection code
    ClientLibraryStartup();

    // Detect if we need to start the BOINC Core Client due to configuration
    StartupBOINCCore();

#ifdef __WXMAC__
    s_bSkipExitConfirmation = false;
    AEInstallEventHandler( kCoreEventClass, kAEQuitApplication, NewAEEventHandlerUPP((AEEventHandlerProcPtr)QuitAppleEventHandler), 0, false );

    m_pMacSystemMenu = new CMacSystemMenu(
        m_pSkinManager->GetAdvanced()->GetApplicationName(), 
        m_pSkinManager->GetAdvanced()->GetApplicationIcon(),
        m_pSkinManager->GetAdvanced()->GetApplicationDisconnectedIcon(),
        m_pSkinManager->GetAdvanced()->GetApplicationSnoozeIcon()
    );
    wxASSERT(m_pMacSystemMenu);

    ProcessSerialNumber psn;
    ProcessInfoRec pInfo;
    OSStatus err;
    
    GetCurrentProcess(&psn);
    memset(&pInfo, 0, sizeof(pInfo));
    pInfo.processInfoLength = sizeof( ProcessInfoRec );
    err = GetProcessInformation(&psn, &pInfo);
    if (!err) {
        psn = pInfo.processLauncher;
        memset(&pInfo, 0, sizeof(pInfo));
        pInfo.processInfoLength = sizeof( ProcessInfoRec );
        err = GetProcessInformation(&psn, &pInfo);
    }
    // Don't open main window if we were started automatically at login
    if (pInfo.processSignature == 'lgnw') {  // Login Window app
        m_bGUIVisible = false;

        // If the system was just started, we usually get a "Connection 
        // failed" error if we try to connect too soon, so delay a bit.
        sleep(10);
    }
#endif

    // Show the UI
    SetActiveGUI(m_iGUISelected, false);
    if (m_bGUIVisible) {
        SetActiveGUI(m_iGUISelected);
    } else {
#ifdef __WXMAC__
        GetCurrentProcess(&psn);
        ShowHideProcess(&psn, false);
#endif
	}

    return true;
}


int CBOINCGUIApp::OnExit() {
    // Detect if we need to stop the BOINC Core Client due to configuration
    ShutdownBOINCCore();

    // Shutdown the System Idle Detection code
    ClientLibraryShutdown();

    if (m_pDocument) {
        m_pDocument->OnExit();
        delete m_pDocument;
    }

    if (m_pSkinManager) {
        m_pConfig->Write(wxT("Skin"), m_pSkinManager->GetSelectedSkin());
        delete m_pSkinManager;
    }

    if (m_pLocale) {
        delete m_pLocale;
    }

    return wxApp::OnExit();
}


void CBOINCGUIApp::OnInitCmdLine(wxCmdLineParser &parser) {
    wxApp::OnInitCmdLine(parser);
    static const wxCmdLineEntryDesc cmdLineDesc[] = {
        { wxCMD_LINE_SWITCH, wxT("s"), wxT("systray"), _("Startup BOINC so only the system tray icon is visible")},
        { wxCMD_LINE_SWITCH, wxT("b"), wxT("boincargs"), _("Startup BOINC with these optional arguments")},
        { wxCMD_LINE_SWITCH, wxT("i"), wxT("insecure"), _("disable BOINC security users and permissions")},
        { wxCMD_LINE_NONE}  //DON'T forget this line!!
    };
    parser.SetDesc(cmdLineDesc);
}


bool CBOINCGUIApp::OnCmdLineParsed(wxCmdLineParser &parser) {
    // Give default processing (-?, --help and --verbose) the chance to do something.
    wxApp::OnCmdLineParsed(parser);
    parser.Found(wxT("boincargs"), &m_strBOINCArguments);
    if (parser.Found(wxT("systray"))) {
        m_bGUIVisible = false;
    }
    if (parser.Found(wxT("insecure"))) {
        g_use_sandbox = false;
    }
    return true;
}


void CBOINCGUIApp::DetectDisplayInfo() {
#ifdef __WXMSW__
    wxChar szWindowStation[256];
    memset(szWindowStation, 0, sizeof(szWindowStation)/sizeof(wxChar));
    wxChar szDesktop[256];
    memset(szDesktop, 0, sizeof(szDesktop)/sizeof(wxChar));

    if (wxWIN95 != wxGetOsVersion(NULL, NULL)) {
        // Retrieve the current window station and desktop names
        GetUserObjectInformation(
            GetProcessWindowStation(), 
            UOI_NAME, 
            szWindowStation,
            (sizeof(szWindowStation) / sizeof(wxChar)),
            NULL
        );
        GetUserObjectInformation(
            GetThreadDesktop(GetCurrentThreadId()), 
            UOI_NAME, 
            szDesktop,
            (sizeof(szDesktop) / sizeof(wxChar)),
            NULL
        );
        m_strDefaultWindowStation = szWindowStation;
        m_strDefaultDesktop = szDesktop;
    }

#else
    wxString p = wxString(getenv("DISPLAY"), wxConvUTF8);
    if (p) m_strDefaultDisplay = p;
#endif

}


void CBOINCGUIApp::InitSupportedLanguages() {
    wxInt32               iIndex = 0;
    const wxLanguageInfo* liLanguage = NULL;

    // Prepare the array
    m_astrLanguages.Insert(wxEmptyString, 0, wxLANGUAGE_USER_DEFINED+1);

    // These are just special tags so deal with them in a special way
    m_astrLanguages[wxLANGUAGE_DEFAULT]                    = _("(Automatic Detection)");
    m_astrLanguages[wxLANGUAGE_UNKNOWN]                    = _("(Unknown)");
    m_astrLanguages[wxLANGUAGE_USER_DEFINED]               = _("(User Defined)");

    for (iIndex = 0; iIndex <= wxLANGUAGE_USER_DEFINED; iIndex++) {
        liLanguage = wxLocale::GetLanguageInfo(iIndex);
        if (liLanguage) {
            m_astrLanguages[iIndex] = liLanguage->Description;
        }
    }
}


bool CBOINCGUIApp::AutoRestartBOINC() {
    if (!IsBOINCCoreRunning() && m_bBOINCStartedByManager) {
        StartupBOINCCore();
    }
    return true;
}


bool CBOINCGUIApp::IsBOINCCoreRunning() {
    wxLogTrace(wxT("Function Start/End"), wxT("CBOINCGUIApp::IsBOINCCoreRunning - Function Begin"));

    int retval;
    int scrsave_mode;
    bool running = false;
    RPC_CLIENT rpc;

#ifdef __WXMSW__

    if (IsBOINCServiceInstalled()) {
        running = (FALSE != IsBOINCServiceStarting()) || (FALSE != IsBOINCServiceRunning());
    } else {
        retval = rpc.init("localhost");  // synchronous is OK since local
        wxLogTrace(wxT("Function Status"), wxT("CBOINCGUIApp::IsBOINCCoreRunning - Connecting to core client returned '%d'"), retval);
        retval = rpc.get_screensaver_mode(scrsave_mode);
        wxLogTrace(wxT("Function Status"), wxT("CBOINCGUIApp::IsBOINCCoreRunning - Requesting screen saver mode... retval '%d', scrsave_mode '%d'"), retval, scrsave_mode);
        running = (retval == 0);
        rpc.close();
    }
    
#elif defined __WXMAC__
    // If set up to run as a daemon, allow time for daemon to start up
    bool waitfordaemon = boinc_file_exists("/Library/StartupItems/boinc/boinc") && 
                        (TickCount() < (120*60));     // If system has been up for less than 2 minutes
    for (int i=0; i<10; i++) {
        retval = rpc.init("localhost");  // synchronous is OK since local
        retval = rpc.get_screensaver_mode(scrsave_mode);
        running = (retval == 0);
        rpc.close();
        if (running) break;
        if (! waitfordaemon) break;
        sleep(1);
    }
#else
    retval = rpc.init("localhost");  // synchronous is OK since local
    retval = rpc.get_screensaver_mode(scrsave_mode);
    running = (retval == 0);
    rpc.close();
#endif

    wxLogTrace(wxT("Function Start/End"), wxT("CBOINCGUIApp::IsBOINCCoreRunning - Function End"));
    return running;
}


void CBOINCGUIApp::StartupBOINCCore() {
    if (!IsBOINCCoreRunning()) {
#ifndef __WXMAC__
        wxString strDirectory = wxEmptyString;
#endif  // ! __WXMAC__

        wxString strExecute = wxEmptyString;
        wxChar   szExecutableDirectory[4096];

        memset(szExecutableDirectory, 0, sizeof(szExecutableDirectory));

#ifdef __WXMSW__

        // On the surface it would seem that GetCurrentDirectory would be a better choice
        //   for determing which directory we should prepend to the execution string before
        //   starting BOINC, except that we cannot depend on any shortcuts being configured
        //   to startup in the correct directory, since the user may have created the
        //   shortcut themselves.  So determine where boinc.exe is based off of our
        //   current execution location and then execute it.
        GetModuleFileName(
            NULL, 
            szExecutableDirectory,
            (sizeof(szExecutableDirectory) / sizeof(wxChar))
        );

#endif

#ifdef __WXMAC__

        {
            wxChar buf[1024];
            wxChar *argv[5];
            ProcessSerialNumber ourPSN;
            FSRef ourFSRef;
            OSErr err;

            // Get the full path to core client inside this application's bundle
            err = GetCurrentProcess (&ourPSN);
            if (err == noErr) {
                err = GetProcessBundleLocation(&ourPSN, &ourFSRef);
            }
            if (err == noErr) {
                err = FSRefMakePath (&ourFSRef, (UInt8*)buf, sizeof(buf));
            }
            if (err == noErr) {
#if 0   // The Mac version of wxExecute(wxString& ...) crashes if there is a space in the path
                strExecute = wxT("\"");            
                strExecute += wxT(buf);
                strExecute += wxT("/Contents/Resources/boinc\" -redirectio -launched_by_manager");
                m_lBOINCCoreProcessId = ::wxExecute(strExecute);
#else   // Use wxExecute(wxChar **argv ...) instead of wxExecute(wxString& ...)
                strcat(buf, "/Contents/Resources/boinc");
                argv[0] = buf;
                argv[1] = "-redirectio";
                argv[2] = "-launched_by_manager";
                argv[3] = NULL;
#ifdef SANDBOX
                if (! g_use_sandbox) {
                    argv[3] = "-insecure";
                    argv[4] = NULL;
                }
#endif  
                m_lBOINCCoreProcessId = ::wxExecute(argv);
#endif
            } else {
                buf[0] = '\0';
            }
        }

#else   // ! __WXMAC__

#ifndef __WXMSW__
        // copy the path to the boinmgr from argv[0]
        strncpy((char*)szExecutableDirectory, (const char*)wxGetApp().argv[0], sizeof(szExecutableDirectory));
#endif 

        // We are only interested in the path component of the fully qualified path.
        wxFileName::SplitPath(szExecutableDirectory, &strDirectory, NULL, NULL);

        // Set the current directory ahead of the application launch so the core
        //   client can find its files
        ::wxSetWorkingDirectory(strDirectory);

#endif  // ! __WXMAC__

#ifdef __WXMSW__

        // Append boinc.exe to the end of the strExecute string and get ready to rock
        strExecute.Printf(
            wxT("\"%s\\boinc.exe\" -redirectio -launched_by_manager %s"),
            strDirectory.c_str(),
            m_strBOINCArguments.c_str()
        );

        PROCESS_INFORMATION pi;
        STARTUPINFO         si;
        BOOL                bProcessStarted;

        memset(&pi, 0, sizeof(pi));
        memset(&si, 0, sizeof(si));
 
        si.cb = sizeof(si);
        si.dwFlags = STARTF_USESHOWWINDOW;
        si.wShowWindow = SW_HIDE;

        bProcessStarted = CreateProcess(
            NULL,
            (LPTSTR)strExecute.c_str(),
            NULL,
            NULL,
            FALSE,
            CREATE_NEW_PROCESS_GROUP|CREATE_NO_WINDOW,
            NULL,
            (LPTSTR)strDirectory.c_str(),
            &si,
            &pi
        );
        if (bProcessStarted) {
            m_lBOINCCoreProcessId = pi.dwProcessId;
            m_hBOINCCoreProcess = pi.hProcess;
        }

#else

#ifndef __WXMAC__

        // Append boinc.exe to the end of the strExecute string and get ready to rock
        strExecute = wxT("./boinc -redirectio -launched_by_manager");
        if (! g_use_sandbox)
            strExecute += wxT(" -insecure");
        m_lBOINCCoreProcessId = ::wxExecute(strExecute);
        
#endif  // ! __WXMAC__

#endif  // ! __WXMSW__

        if (0 != m_lBOINCCoreProcessId) {
            m_bBOINCStartedByManager = true;
        }
    }
}


#if defined(__WXMSW__)

void CBOINCGUIApp::ShutdownBOINCCore() {
    wxLogTrace(wxT("Function Start/End"), wxT("CBOINCGUIApp::ShutdownBOINCCore - Function Begin"));

    wxInt32    iCount = 0;
    DWORD      dwExitCode = 0;
    bool       bClientQuit = false;
    wxString   strConnectedCompter = wxEmptyString;
    wxString   strPassword = wxEmptyString;

    if (m_bBOINCStartedByManager) {
        m_pDocument->GetConnectedComputerName(strConnectedCompter);
        if (!m_pDocument->IsComputerNameLocal(strConnectedCompter)) {
            RPC_CLIENT rpc;
            if (!rpc.init("localhost")) {
                m_pDocument->m_pNetworkConnection->GetLocalPassword(strPassword);
                rpc.authorize((const char*)strPassword.mb_str());
                if (GetExitCodeProcess(m_hBOINCCoreProcess, &dwExitCode)) {
                    if (STILL_ACTIVE == dwExitCode) {
                        rpc.quit();
                        for (iCount = 0; iCount <= 10; iCount++) {
                            if (!bClientQuit && GetExitCodeProcess(m_hBOINCCoreProcess, &dwExitCode)) {
                                if (STILL_ACTIVE != dwExitCode) {
                                    wxLogTrace(wxT("Function Status"), wxT("CBOINCGUIApp::ShutdownBOINCCore - (localhost) Application Exit Detected"));
                                    bClientQuit = true;
                                    break;
                                }
                            }
                            wxLogTrace(wxT("Function Status"), wxT("CBOINCGUIApp::ShutdownBOINCCore - (localhost) Application Exit NOT Detected, Sleeping..."));
                            ::wxSleep(1);
                        }
                    }
                }
            }
            rpc.close();
        } else {
            if (GetExitCodeProcess(m_hBOINCCoreProcess, &dwExitCode)) {
                if (STILL_ACTIVE == dwExitCode) {
                    m_pDocument->CoreClientQuit();
                    for (iCount = 0; iCount <= 10; iCount++) {
                        if (!bClientQuit && GetExitCodeProcess(m_hBOINCCoreProcess, &dwExitCode)) {
                            if (STILL_ACTIVE != dwExitCode) {
                                wxLogTrace(wxT("Function Status"), wxT("CBOINCGUIApp::ShutdownBOINCCore - Application Exit Detected"));
                                bClientQuit = true;
                                break;
                            }
                        }
                        wxLogTrace(wxT("Function Status"), wxT("CBOINCGUIApp::ShutdownBOINCCore - Application Exit NOT Detected, Sleeping..."));
                        ::wxSleep(1);
                    }
                }
            }
        }

        if (!bClientQuit) {
            ::wxKill(m_lBOINCCoreProcessId);
        }
    }

    wxLogTrace(wxT("Function Start/End"), wxT("CBOINCGUIApp::ShutdownBOINCCore - Function End"));
}

#elif defined(__WXMAC__)

static char * PersistentFGets(char *buf, size_t buflen, FILE *f) {
    char *p = buf;
    size_t len = buflen;
    size_t datalen = 0;

    *buf = '\0';
    while (datalen < (buflen - 1)) {
        fgets(p, len, f);
        if (feof(f)) break;
        if (ferror(f) && (errno != EINTR)) break;
        if (strchr(buf, '\n')) break;
        datalen = strlen(buf);
        p = buf + datalen;
        len -= datalen;
    }
    return (buf[0] ? buf : NULL);
}

bool CBOINCGUIApp::ProcessExists(pid_t thePID)
{
    FILE *f;
    char buf[256];
    pid_t aPID;

    f = popen("ps -a -x -c -o pid,state", "r");
    if (f == NULL)
        return false;
    
    while (PersistentFGets(buf, sizeof(buf), f)) {
        aPID = atol(buf);
        if (aPID == thePID) {
            if (strchr(buf, 'Z'))   // A 'zombie', stopped but waiting
                break;              // for us (its parent) to quit
            pclose(f);
            return true;
        }
    }
    pclose(f);
    return false;
}

// wxProcess::Exists and wxKill are unimplemented in WxMac-2.6.0
void CBOINCGUIApp::ShutdownBOINCCore() {
    wxInt32    iCount = 0;
    wxString   strConnectedCompter = wxEmptyString;
    wxString   strPassword = wxEmptyString;

    if (m_bBOINCStartedByManager) {
        m_pDocument->GetConnectedComputerName(strConnectedCompter);
        if (!m_pDocument->IsComputerNameLocal(strConnectedCompter)) {
            RPC_CLIENT rpc;
            if (!rpc.init("localhost")) {
                m_pDocument->m_pNetworkConnection->GetLocalPassword(strPassword);
                rpc.authorize((const char*)strPassword.mb_str());
                if (ProcessExists(m_lBOINCCoreProcessId)) {
                    rpc.quit();
                    for (iCount = 0; iCount <= 10; iCount++) {
                        if (!ProcessExists(m_lBOINCCoreProcessId))
                            return;
                        ::wxSleep(1);
                    }
                }
            }
            rpc.close();
        } else {
            if (ProcessExists(m_lBOINCCoreProcessId)) {
                m_pDocument->CoreClientQuit();
                for (iCount = 0; iCount <= 10; iCount++) {
                    if (!ProcessExists(m_lBOINCCoreProcessId))
                        return;

                    ::wxSleep(1);
                }
            }
        }
        
        // Client did not quit after 10 seconds so kill it
        kill(m_lBOINCCoreProcessId, SIGKILL);
    }
}


// Set s_bSkipExitConfirmation to true if cancelled because of logging out or shutting down
OSErr CBOINCGUIApp::QuitAppleEventHandler( const AppleEvent *appleEvt, AppleEvent* reply, UInt32 refcon ) {
        DescType		senderType;
        Size			actualSize;
        ProcessSerialNumber	SenderPSN, ourPSN;
        Boolean			isSame;
        ProcessInfoRec		pInfo;
        FSSpec			fileSpec;
 	OSStatus		anErr;

        // Refuse to quit if a modal dialog is open.  Search for the dialog 
        // by ID since all of BOINC Manager's dialog IDs are 10000.
        // Unfortunately, I know of no way to disable the Quit item in our Dock menu
        if (wxDynamicCast(wxWindow::FindWindowById(ID_ANYDIALOG), wxDialog)) {
            SysBeep(4);
            return userCanceledErr;
        }
                
       anErr = AEGetAttributePtr(appleEvt, keyAddressAttr, typeProcessSerialNumber,
                                    &senderType, &SenderPSN, sizeof(SenderPSN), &actualSize);

        if (anErr == noErr) {
             
            GetCurrentProcess(&ourPSN);

            anErr = SameProcess(&SenderPSN, &ourPSN, &isSame);

            if (anErr == noErr) {
                if (!isSame) {

                pInfo.processInfoLength = sizeof( ProcessInfoRec );
                pInfo.processName = NULL;
                pInfo.processAppSpec = &fileSpec;

                anErr = GetProcessInformation(&SenderPSN, &pInfo);

                // Consider a Quit command from our Dock menu as coming from this application
                if (pInfo.processSignature != 'dock') {
                    s_bSkipExitConfirmation = true; // Not from our app, our dock icon or our taskbar icon
                    wxGetApp().ExitMainLoop();  // Prevents wxMac from issuing events to closed frames
                }
            }
        }
    }
    
    return wxGetApp().MacHandleAEQuit((AppleEvent*)appleEvt, reply);
}

#else

void CBOINCGUIApp::ShutdownBOINCCore() {
    wxInt32    iCount = 0;
    bool       bClientQuit = false;
    wxString   strConnectedCompter = wxEmptyString;
    wxString   strPassword = wxEmptyString;

    if (m_bBOINCStartedByManager) {
        m_pDocument->GetConnectedComputerName(strConnectedCompter);
        if (!m_pDocument->IsComputerNameLocal(strConnectedCompter)) {
            RPC_CLIENT rpc;
            if (!rpc.init("localhost")) {
                m_pDocument->m_pNetworkConnection->GetLocalPassword(strPassword);
                rpc.authorize((const char*)strPassword.mb_str());
                if (wxProcess::Exists(m_lBOINCCoreProcessId)) {
                    rpc.quit();
                    for (iCount = 0; iCount <= 10; iCount++) {
                        if (!bClientQuit && !wxProcess::Exists(m_lBOINCCoreProcessId)) {
                            bClientQuit = true;
                            break;
                        }
                        ::wxSleep(1);
                    }
                }
            }
            rpc.close();
        } else {
            if (wxProcess::Exists(m_lBOINCCoreProcessId)) {
                m_pDocument->CoreClientQuit();
                for (iCount = 0; iCount <= 10; iCount++) {
                    if (!bClientQuit && !wxProcess::Exists(m_lBOINCCoreProcessId)) {
                        bClientQuit = true;
                        break;
                    }
                    ::wxSleep(1);
                }
            }
        }

        if (!bClientQuit) {
            ::wxKill(m_lBOINCCoreProcessId);
        }
    }
}

#endif


int CBOINCGUIApp::ClientLibraryStartup() {
#ifdef __WXMSW__
    ::ClientLibraryStartup();
#endif
    return 0;
}


int CBOINCGUIApp::ClientLibraryShutdown() {
#ifdef __WXMSW__
    ::ClientLibraryShutdown();
#endif
    return 0;
}


int CBOINCGUIApp::UpdateSystemIdleDetection() {
#ifdef __WXMSW__
    return BOINCGetIdleTickCount();
#else
    return TRUE;
#endif
}


int CBOINCGUIApp::StartBOINCScreensaverTest() {
#ifdef __WXMSW__
    wxString strExecute = wxEmptyString;
    wxChar   szExecutableDirectory[4096];
    memset(szExecutableDirectory, 0, sizeof(szExecutableDirectory));

    // On Windows the screensaver is located in the Windows directory.
    GetWindowsDirectory(
        szExecutableDirectory,
        (sizeof(szExecutableDirectory) / sizeof(wxChar))
    );

    // Append boinc.scr to the end of the strExecute string and get ready to rock
    strExecute = wxT("\"") + wxString(szExecutableDirectory) + wxT("\\boinc.scr\" /t");
    ::wxExecute(strExecute);
#endif
    return 0;
}


// The skin has changed and all UI elements need to reload their bitmaps.
//
void CBOINCGUIApp::FireReloadSkin() {
    if (m_pFrame) {
	    m_pFrame->FireReloadSkin();
    }
    if (m_pTaskBarIcon) {
	    m_pTaskBarIcon->FireReloadSkin();
    }
}


bool CBOINCGUIApp::SetActiveGUI(int iGUISelection, bool bShowWindow) {
    CBOINCBaseFrame* pNewFrame = NULL;

    // Create the new window
    if ((iGUISelection != m_iGUISelected) || !m_pFrame) {
        switch(iGUISelection) {
            case BOINC_SIMPLEGUI:
            default:
                // Initialize the simple gui window
                pNewFrame = new CSimpleFrame(
                    m_pSkinManager->GetAdvanced()->GetApplicationName(), 
                    m_pSkinManager->GetAdvanced()->GetApplicationIcon()
                );
                break;
            case BOINC_ADVANCEDGUI:
                // Initialize the advanced gui window
                pNewFrame = new CAdvancedFrame(
                    m_pSkinManager->GetAdvanced()->GetApplicationName(), 
                    m_pSkinManager->GetAdvanced()->GetApplicationIcon()
                );
                break;
        }
        wxASSERT(pNewFrame);
        if (pNewFrame) {
            SetTopWindow(pNewFrame);

#ifdef __WXMAC__
            // So closing old view doesn't hide application
            pNewFrame->m_iWindowType = iGUISelection;
            m_iGUISelected = iGUISelection;
#endif
            // Delete the old one if it exists
            if (m_pFrame) m_pFrame->Destroy();

            // Store the new frame for future use
            m_pFrame = pNewFrame;
        }
    }

    // Show the new frame if needed 
    if (m_pFrame && bShowWindow) m_pFrame->Show();

    m_iGUISelected = iGUISelection;
    m_pConfig->Write(wxT("GUISelection"), iGUISelection);

    return true;
}


int CBOINCGUIApp::ConfirmExit() {
    CSkinAdvanced* pSkinAdvanced = wxGetApp().GetSkinManager()->GetAdvanced();
    wxString strTitle;
    
    wxASSERT(pSkinAdvanced);
    wxASSERT(wxDynamicCast(pSkinAdvanced, CSkinAdvanced));
    
    if (!m_bBOINCStartedByManager)
        return 1;   // Don't run dialog if exiting manager won't shut down Client or its tasks
        
    if (!m_iDisplayExitWarning)
        return 1;

#ifdef __WXMAC__
    // Don't run confirmation dialog if logging out or shutting down
    if (s_bSkipExitConfirmation)
        return 1;

    ProcessSerialNumber psn;

    GetCurrentProcess(&psn);
    SetFrontProcess(&psn);  // Shows process if hidden
#endif

    strTitle.Printf(
        _("%s - Exit Confirmation"), 
        pSkinAdvanced->GetApplicationName().c_str()
    );

    CDlgGenericMessage dlg(NULL);

    dlg.SetTitle(strTitle);
    dlg.m_DialogMessage->SetLabel(pSkinAdvanced->GetExitMessage());
    dlg.Fit();
    dlg.Centre();

    if (wxID_OK == dlg.ShowModal()) {
        if (dlg.m_DialogDisableMessage->GetValue()) {
            m_iDisplayExitWarning = 0;
        }
        return 1;
    }
    return 0;       // User cancelled exit
}


const char *BOINC_RCSID_487cbf3018 = "$Id$";