C++ CBOINCBaseFrame::IsShown方法代码示例

bool CBOINCClientManager::AutoRestart() {
    double timeNow, timeDiff;
    if (IsBOINCCoreRunning()) return true;
#if ! (defined(__WXMAC__) || defined(__WXMSW__)) 
// Mac and Windows can restart Client as a daemon, but 
// Linux may not know Client's location if it didn't start the Client
    if (!m_bBOINCStartedByManager) return false;
#endif
    // Alert user if Client crashes 3 times in CLIENT_3_CRASH_MAX_TIME
    timeNow = dtime();
    timeDiff = timeNow - m_fAutoRestart1Time;
    if ((timeDiff) < (CLIENT_3_CRASH_MAX_TIME * 60)) {
        int                 response;
        ClientCrashDlg      *dlg = new ClientCrashDlg(timeDiff);
        if (dlg) {
            CBOINCBaseFrame* pFrame = wxGetApp().GetFrame();
            if (!pFrame->IsShown()) {
                pFrame->Show();
            }
            response = dlg->ShowModal();
            dlg->Destroy();
            if (response == wxID_CANCEL) return false;
            timeNow = 0;
            m_fAutoRestart1Time = 0;
            m_fAutoRestart2Time = 0;
        }
    }
    m_lBOINCCoreProcessId = 0;
    m_fAutoRestart1Time = m_fAutoRestart2Time;
    m_fAutoRestart2Time = timeNow;
    StartupBOINCCore();
    return true;
}

int CMainDocument::RequestRPC(ASYNC_RPC_REQUEST& request, bool hasPriority) {
    std::vector<ASYNC_RPC_REQUEST>::iterator iter;
    int retval = 0;
    int response = wxID_OK;
    wxMutexError mutexErr = wxMUTEX_NO_ERROR;
    long delayTimeRemaining, timeToSleep;
    bool shown = false;
    
    if (!m_RPCThread) return -1;

    if ( (request.rpcType < RPC_TYPE_WAIT_FOR_COMPLETION) || 
            (request.rpcType >= NUM_RPC_TYPES) ) {
        wxASSERT(false);
        return -1;
    }
    
    // If we are quitting, cancel any pending RPCs
    if (request.which_rpc == RPC_QUIT) {
        if (current_rpc_request.isActive) {
            RPC_requests.erase(RPC_requests.begin()+1, RPC_requests.end());

        } else {
            RPC_requests.clear();
        }
    }
    
    // Check if a duplicate request is already on the queue
    for (iter=RPC_requests.begin(); iter!=RPC_requests.end(); iter++) {
        if (iter->isSameAs(request)) {
            return 0;
        }
    }

    if ((request.rpcType == RPC_TYPE_WAIT_FOR_COMPLETION) && (request.resultPtr == NULL)) {
        request.resultPtr = &retval;
    }
    
    if (hasPriority) {
        // We may want to set hasPriority for some user-initiated events. 
        // Since the user is waiting, insert this at head of request queue.
        // As of 8/14/08, hasPriority is never set true, so hasn't been tested.
        iter = RPC_requests.insert(RPC_requests.begin(), request);
    } else {
           RPC_requests.push_back(request);
    }
    
    // Start this RPC if no other RPC is already in progress.
    if (RPC_requests.size() == 1) {
        // Wait for thread to unlock mutex with m_pRPC_Thread_Condition->Wait()
        mutexErr = m_pRPC_Thread_Mutex->Lock();  // Blocks until thread unlocks the mutex
        wxASSERT(mutexErr == wxMUTEX_NO_ERROR);

        // Make sure activation is an atomic operation
        request.isActive = false;
        current_rpc_request = request;
        current_rpc_request.isActive = true;

        m_pRPC_Thread_Condition->Signal();  // Unblock the thread

        // m_pRPC_Thread_Condition->Wait() will Lock() the mutex upon receiving Signal(), 
        // causing it to block again if we still have our lock on the mutex.
        mutexErr = m_pRPC_Thread_Mutex->Unlock();
        wxASSERT(mutexErr == wxMUTEX_NO_ERROR);
    }

    // If this is a user-initiated event wait for completion but show 
    // a dialog allowing the user to cancel.
    if (request.rpcType == RPC_TYPE_WAIT_FOR_COMPLETION) {
    // TODO: proper handling if a second user request is received while first is pending ??
        if (m_bWaitingForRPC) {
            wxLogMessage(wxT("Second user RPC request while another was pending"));
            wxASSERT(false);
            return -1;
        }
        // Don't show dialog if RPC completes before RPC_WAIT_DLG_DELAY
        // or while BOINC is minimized
        CBOINCBaseFrame* pFrame = wxGetApp().GetFrame();
        wxStopWatch Dlgdelay = wxStopWatch();        
        m_RPCWaitDlg = new AsyncRPCDlg();
        m_bWaitingForRPC = true;
        
        // Allow RPC_WAIT_DLG_DELAY seconds for Demand RPC to complete before 
        // displaying "Please Wait" dialog, but keep checking for completion.
        delayTimeRemaining = RPC_WAIT_DLG_DELAY;
        while (true) {
            if (delayTimeRemaining >= 0) {  // Prevent overflow if minimized for a very long time
                delayTimeRemaining = RPC_WAIT_DLG_DELAY - Dlgdelay.Time();
            }
            
            if (pFrame) {
                shown = pFrame->IsShown();
            } else {
                shown = false;
            }
            
            if (shown) {
                if (delayTimeRemaining <= 0) break; // Display the Please Wait dialog
                timeToSleep = delayTimeRemaining;
            } else {
                // Don't show dialog while Manager is minimized, but do 
//.........这里部分代码省略.........

void CBOINCDialUpManager::OnPoll() {
    CMainDocument*      pDoc = wxGetApp().GetDocument();
    CBOINCBaseFrame*    pFrame = wxGetApp().GetFrame();
    static bool         bAlreadyRunningLoop = false;
    bool                bIsOnline = false;
    bool                bWantConnection = false;
    bool                bWantDisconnect = false;
    wxString            strDialogMessage = wxEmptyString;
    CC_STATUS           cc_status;


    // We are ready to rock and roll.
    if (!bAlreadyRunningLoop && pDoc) {
        wxASSERT(wxDynamicCast(pDoc, CMainDocument));
        wxASSERT(wxDynamicCast(pFrame, CBOINCBaseFrame));

        bAlreadyRunningLoop = true;

        // cache the various states

        // The dialup manager tells us if we are still dialing or if we have
        //   successfully connected.  IsNetworkAlive/IsOnline both report the
        //   success or failure of the dialup device to establish a connection
        //   to the outside world.
        pDoc->GetCoreClientStatus(cc_status);

        bIsOnline = (cc_status.network_status == NETWORK_STATUS_ONLINE);
        bWantConnection = (cc_status.network_status == NETWORK_STATUS_WANT_CONNECTION);
        bWantDisconnect = (cc_status.network_status == NETWORK_STATUS_WANT_DISCONNECT);

        // The timers are used to keep from spamming the user with the same
        //   messages over each iteration of the poll loop.  we only need to
        //   reset them during a connect event in case we randomly loose
        //   a connection.
        if (m_bResetTimers) {
            wxLogTrace(wxT("Function Status"), wxT("CBOINCDialUpManager::poll - Resetting dial-up notification timers"));

            m_bResetTimers = false;
            m_bSetConnectionTimer = false;
            ResetReminderTimers();
        }

        // Log out the trace information for debugging purposes.
        /*
        wxLogTrace(wxT("Function Status"), wxT("CBOINCDialUpManager::poll - Dialup Flags"));
        wxLogTrace(wxT("Function Status"),
            wxT("CBOINCDialUpManager::poll - -- bIsOnline = '%d', bIsDialing = '%d', m_bWasDialing = '%d', iNetworkStatus = '%d', bWantConnection = '%d'"),
            bIsOnline, bIsDialing, m_bWasDialing, iNetworkStatus, bWantConnection
        );
        wxLogTrace(wxT("Function Status"),
            wxT("CBOINCDialUpManager::poll - -- m_bResetTimers = '%d', m_bNotifyConnectionAvailable = '%d', m_bConnectedSuccessfully = '%d'"),
            m_bResetTimers, m_bNotifyConnectionAvailable, m_bConnectedSuccessfully
        );
        wxLogTrace(wxT("Function Status"),
            wxT("CBOINCDialUpManager::poll - -- confirm_before_connecting = '%d', hangup_if_dialed = '%d'"),
            pDoc->state.global_prefs.confirm_before_connecting, pDoc->state.global_prefs.hangup_if_dialed
        );
        */

#ifndef __WXMSW__           // notification logic for non MS-Windows systems
        if (!bIsOnline && bWantConnection) {
            // Make sure window is visable and active, don't want the message box
            // to pop up on top of anything else
            wxLogTrace(wxT("Function Status"), wxT("CBOINCDialUpManager::poll - Notify need Internet Connection"));
            if (pFrame->IsShown() && wxGetApp().IsActive()) {
                NotifyUserNeedConnection(false);
            }
            /*
            // this section commented out until taskbar/systray notification alerts are implemented
                          else {
                            // window is not visible, show alert
                            if (pTaskbar && pTaskbar->IsBalloonsSupported()) {
                                NotifyUserNeedConnection(true);
                            }
                        }
            */
        }
#else               // dialer stuff for MS-Windows systems
        bool  bIsDialing = m_pDialupManager->IsDialing();
        if (!bIsOnline && !bIsDialing && !m_bWasDialing && bWantConnection) {
            wxLogTrace(wxT("Function Status"), wxT("CBOINCDialUpManager::poll - !bIsOnline && !bIsDialing && !m_bWasDialing && bWantConnection"));
            if (!pFrame->IsShown()) {
                // BOINC Manager is hidden and displaying a dialog might interupt what they
                //   are doing.
                NotifyUserNeedConnection(true);
            } else {
                // BOINC Manager is visable and can process user input.
                m_bSetConnectionTimer = true;
                Connect();
            }
        } else if (!bIsDialing && !m_bWasDialing) {
            // We are not doing anything now, were we up to something before?
            if (bIsOnline && m_bConnectedSuccessfully && m_bNotifyConnectionAvailable) {
                // Ah ha, we are online and we initiated the connection, so we need to
                //   notify the CC that the network is available.
                wxLogTrace(wxT("Function Status"), wxT("CBOINCDialUpManager::poll - bIsOnline && m_bConnectedSuccessfully && m_bNotifyConnectionAvailable"));
                NetworkAvailable();
            } else if (bWantDisconnect && m_bConnectedSuccessfully) {
                // We are online, and the CC says it is safe to disconnect.  Since we
                //   initiated the connection we need to disconnect now.
//.........这里部分代码省略.........