CHardErrorThread Class Reference

Collaboration diagram for CHardErrorThread:

Public Member Functions
	CHardErrorThread ()
	~CHardErrorThread ()
HRESULT	ThreadProc ()
void	StartThread (PBALLOON_HARD_ERROR_DATA pData)

Static Public Member Functions
static DWORD CALLBACK	s_HardErrorThreadProc (IN OUT LPVOID lpParameter)

Private Attributes
DWORD	m_ThreadId
HANDLE	m_hThread
LONG	m_bThreadRunning
DWORD	m_Status
DWORD	m_dwType
CStringW	m_Title
CStringW	m_Text

Detailed Description

Definition at line 105 of file taskswnd.cpp.

Constructor & Destructor Documentation

CHardErrorThread()

CHardErrorThread::CHardErrorThread ( )

inline

Definition at line 116 of file taskswnd.cpp.

                      :
        m_ThreadId(0),
        m_hThread(NULL),
        m_bThreadRunning(FALSE),
        m_Status(NULL),
        m_dwType(NULL)
    {
    }

~CHardErrorThread()

CHardErrorThread::~CHardErrorThread ( )

inline

Definition at line 125 of file taskswnd.cpp.

    {
        if (m_bThreadRunning)
        {
            /* Try to unstuck Show */
            PostThreadMessage(m_ThreadId, WM_QUIT, 0, 0);
            DWORD ret = WaitForSingleObject(m_hThread, 3*1000);
            if (ret == WAIT_TIMEOUT)
                TerminateThread(m_hThread, 0);
            CloseHandle(m_hThread);
        }
    }

Member Function Documentation

s_HardErrorThreadProc()

static DWORD CALLBACK CHardErrorThread::s_HardErrorThreadProc ( IN OUT LPVOID  lpParameter )

inlinestatic

Definition at line 170 of file taskswnd.cpp.

    {
        CHardErrorThread* pThis = reinterpret_cast<CHardErrorThread*>(lpParameter);
        pThis->ThreadProc();
        CloseHandle(pThis->m_hThread);
        OleUninitialize();
        InterlockedExchange(&pThis->m_bThreadRunning, FALSE);
        return 0;
    }

Referenced by StartThread().

StartThread()

void CHardErrorThread::StartThread ( PBALLOON_HARD_ERROR_DATA  pData )

inline

Definition at line 180 of file taskswnd.cpp.

    {
        BOOL bIsRunning = InterlockedExchange(&m_bThreadRunning, TRUE);
 
        /* Ignore the new message if we are already showing one */
        if (bIsRunning)
            return;
 
        m_Status = pData->Status;
        m_dwType = pData->dwType;
        m_Title = (PWCHAR)((ULONG_PTR)pData + pData->TitleOffset);
        m_Text = (PWCHAR)((ULONG_PTR)pData + pData->MessageOffset);
        m_hThread = CreateThread(NULL, 0, s_HardErrorThreadProc, this, 0, &m_ThreadId);
        if (!m_hThread)
        {
            m_bThreadRunning = FALSE;
            CloseHandle(m_hThread);
        }
    }

Referenced by CTaskSwitchWnd::OnCopyData().

ThreadProc()

HRESULT CHardErrorThread::ThreadProc ( )

inline

Definition at line 138 of file taskswnd.cpp.

    {
        HRESULT hr;
        CComPtr<IUserNotification> pnotification;
 
        hr = OleInitialize(NULL);
        if (FAILED_UNEXPECTEDLY(hr))
            return hr;
 
        hr = CoCreateInstance(CLSID_UserNotification,
                              NULL,
                              CLSCTX_INPROC_SERVER,
                              IID_PPV_ARG(IUserNotification, &pnotification));
        if (FAILED_UNEXPECTEDLY(hr))
            return hr;
 
        hr = pnotification->SetBalloonInfo(m_Title, m_Text, NIIF_WARNING);
        if (FAILED_UNEXPECTEDLY(hr))
            return hr;
 
        hr = pnotification->SetIconInfo(NULL, NULL);
        if (FAILED_UNEXPECTEDLY(hr))
            return hr;
 
        /* Show will block until the balloon closes */
        hr = pnotification->Show(NULL, 0);
        if (FAILED_UNEXPECTEDLY(hr))
            return hr;
 
        return S_OK;
    }

Referenced by s_HardErrorThreadProc().

Member Data Documentation

m_bThreadRunning

LONG CHardErrorThread::m_bThreadRunning

private

Definition at line 109 of file taskswnd.cpp.

Referenced by s_HardErrorThreadProc(), StartThread(), and ~CHardErrorThread().

m_dwType

DWORD CHardErrorThread::m_dwType

private

Definition at line 111 of file taskswnd.cpp.

Referenced by StartThread().

m_hThread

HANDLE CHardErrorThread::m_hThread

private

Definition at line 108 of file taskswnd.cpp.

Referenced by s_HardErrorThreadProc(), StartThread(), and ~CHardErrorThread().

m_Status

DWORD CHardErrorThread::m_Status

private

Definition at line 110 of file taskswnd.cpp.

Referenced by StartThread().

m_Text

CStringW CHardErrorThread::m_Text

private

Definition at line 113 of file taskswnd.cpp.

Referenced by StartThread(), and ThreadProc().

m_ThreadId

DWORD CHardErrorThread::m_ThreadId

private

Definition at line 107 of file taskswnd.cpp.

Referenced by StartThread(), and ~CHardErrorThread().

m_Title

CStringW CHardErrorThread::m_Title

private

Definition at line 112 of file taskswnd.cpp.

Referenced by StartThread(), and ThreadProc().

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The documentation for this class was generated from the following file:

• base/shell/explorer/taskswnd.cpp