btpairingdlg.cpp

以前做NOKIA手机与PC通信时所参考的源代码,里面包括两个程序,一个是手机文件夹浏览源码,另一个手机SIS安装程序.

void CBTPairingDlg::RefreshPhoneList(bool bSearchDevices)
{
    const int iMaxSearchTime = 240;
        // This is the maximum time to be spent to the device search, in seconds.
        // The required time may vary a lot, make sure it is big enough. If this
        // timeout value is too small, CONASearchDevices returns ECONA_FAILED_TIMEOUT,
        // and PC Suite Connectivity API doesn't find all available devices.
    DWORD dwRet = ECONA_UNKNOWN_ERROR;
    DWORD dwDeviceCount = 0;
    DWORD dw = 0;
    CONAPI_CONNECTION_INFO *pInfo = NULL;
    CBTDevice *pDevice = NULL;

    if(m_hDM)
    {
        if(bSearchDevices)
        {
            // reset search cancel flag and show progress dialog.
            g_bSearchCancelled = FALSE;
            g_ProgressDlg.Create(IDD_SEARCH_PROGRESS_DIALOG, this);
            g_ProgressDlg.ShowWindow(SW_SHOW);
            ProcessMessages();

			DWORD dwSearchOptions = API_MEDIA_BLUETOOTH;
			if(m_CheckUseCache.GetCheck() == BST_CHECKED)
			{
				dwSearchOptions |= CONAPI_ALLOW_TO_USE_CACHE; 
			}
			switch(m_ComboSearchOptions.GetCurSel())
			{
			case 1:
				dwSearchOptions |= CONAPI_GET_PAIRED_PHONES; 
				break;
			case 2:
				dwSearchOptions |= CONAPI_GET_TRUSTED_PHONES; 
				break;
			case 0:
			default:
				dwSearchOptions |= CONAPI_GET_ALL_PHONES; 
				break;
			}
            dwRet = CONASearchDevices(m_hDM,
				dwSearchOptions,
                iMaxSearchTime,
                (PFN_CONA_SEARCH_CALLBACK)BTPairingNotifyCallback,
                &dwDeviceCount,
                &pInfo );

            ClearPhoneList();

            g_ProgressDlg.ShowWindow( SW_HIDE);
            g_ProgressDlg.DestroyWindow();

            if( dwRet != CONA_OK)
            {
                ErrorMessageDlg( L"CONASearchDevices failed.", dwRet);
            }

            if( pInfo)
			{
                for( dw = 0; dw < dwDeviceCount; dw++)
                {
                    pDevice = new CBTDevice( pInfo[dw].pstrDeviceName,
                        pInfo[dw].pstrAddress,
                        pInfo[dw].dwDeviceID,
                        pInfo[dw].dwState );

                    m_PhoneList.InsertItem( dw, pInfo[dw].pstrDeviceName);
                    m_PhoneList.SetItemData( dw, (DWORD_PTR)pDevice);
                }

                dwRet = CONAFreeConnectionInfoStructures( dwDeviceCount, &pInfo);
                if( dwRet != CONA_OK)
                {
                    ErrorMessageDlg( L"CONAFreeConnectionInfoStructures failed.", dwRet);
                }
            }

            if( dwRet == ECONA_CANCELLED)
            {
                m_PhoneList.InsertItem( dw++, L"Search cancelled");
            }
            else if( dwRet == ECONA_FAILED_TIMEOUT)
            {
                m_PhoneList.InsertItem( dw++, L"Timeout reached");
            }
            else if( dwRet != CONA_OK)
            {
                // other error happened
                m_PhoneList.InsertItem( dw++, L"Search failed");
            }
        }

        // update device status to the list
        dwDeviceCount = m_PhoneList.GetItemCount();
        for( dw=0; dw<dwDeviceCount; dw++)
		{
            pDevice = (CBTDevice*)m_PhoneList.GetItemData( dw);
            if( pDevice)
			{
                m_PhoneList.SetItemText( dw, 1, TrustedInfo2String( pDevice->GetStatus()));
            }
        }
    }
}

//===================================================================
// OnDestroy
//
//===================================================================
void CBTPairingDlg::OnDestroy() 
{
    ClearPhoneList();
	CDialog::OnDestroy();	
}

//===================================================================
// ChangeTrustedState
//
// Changes the device trusted state. dwTrustedState may be
// CONAPI_PAIR_DEVICE, CONAPI_UNPAIR_DEVICE, CONAPI_SET_PCSUITE_TRUSTED
// or CONAPI_SET_PCSUITE_UNTRUSTED. lpszPassword is needed only
// with CONAPI_PAIR_DEVICE, with other operations it must be NULL.
//===================================================================
DWORD CBTPairingDlg::ChangeTrustedState(DWORD dwTrustedState, LPCWSTR lpszPassword)
{
    DWORD dwRet = ECONA_UNKNOWN_ERROR;
    CBTDevice *pDevice = NULL;

    CWaitCursor wait;

    if( m_hDM)
	{
        // get selected device from the list
        pDevice = GetSelectedDevice();

        if( pDevice)
		{
            dwRet = CONAChangeDeviceTrustedState( m_hDM,
                dwTrustedState,
                pDevice->GetAddress(),
                lpszPassword,
                NULL);

            if( dwRet == CONA_OK)
			{
                // change the device status to the list according to return value
                // re-searching all devices would take too long time
                if( dwTrustedState & CONAPI_PAIR_DEVICE)
				{
                    pDevice->SetStatus( (pDevice->GetStatus() & CONAPI_DEVICE_PCSUITE_TRUSTED) | CONAPI_DEVICE_PAIRED);
                }
                else if( dwTrustedState & CONAPI_UNPAIR_DEVICE)
				{
                    pDevice->SetStatus( (pDevice->GetStatus() & CONAPI_DEVICE_PCSUITE_TRUSTED) | CONAPI_DEVICE_UNPAIRED);
                }

                if( dwTrustedState & CONAPI_SET_PCSUITE_TRUSTED)
				{
                    pDevice->SetStatus( pDevice->GetStatus() | CONAPI_DEVICE_PCSUITE_TRUSTED);
                }
                else if( dwTrustedState & CONAPI_SET_PCSUITE_UNTRUSTED)
				{
                    pDevice->SetStatus( pDevice->GetStatus() & ~CONAPI_DEVICE_PCSUITE_TRUSTED);
                }

                RefreshPhoneList(false);
            }
            else
			{
                ErrorMessageDlg( L"CONAChangeDeviceTrustedState failed.", dwRet);
            }
        }
        else
		{
            AfxMessageBox( L"Please select the phone from the list.");
        }
    }

    return dwRet;
}

//===================================================================
// OnButtonSearch
//
// Search button message handler
//===================================================================
void CBTPairingDlg::OnButtonSearch() 
{
    RefreshPhoneList(true);
}

//===================================================================
// OnButtonPair
//
// Pairing button message handler
//===================================================================
void CBTPairingDlg::OnButtonPair() 
{
    CBTPasswordDlg dlg;

    dlg.SetPassword(L"123");
    if(dlg.DoModal() == IDOK)
    {
        ChangeTrustedState(CONAPI_PAIR_DEVICE, dlg.GetPassword());
    }
}

//===================================================================
// OnButtonUnpair
//
// Unpair button message handler
//===================================================================
void CBTPairingDlg::OnButtonUnpair() 
{
    ChangeTrustedState(	CONAPI_UNPAIR_DEVICE, NULL);
}

//===================================================================
// OnButtonSetTrusted
//
// "Set device trusted" button message handler
//===================================================================
void CBTPairingDlg::OnButtonSetTrusted() 
{
    ChangeTrustedState(	CONAPI_SET_PCSUITE_TRUSTED, NULL);
}

//===================================================================
// OnButtonSetUntrusted
//
// "Set device untrusted" button message handler
//===================================================================
void CBTPairingDlg::OnButtonSetUntrusted() 
{
    ChangeTrustedState(	CONAPI_SET_PCSUITE_UNTRUSTED, NULL);
}