543 lines
15 KiB
C++
543 lines
15 KiB
C++
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#include "dtct.h"
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#include "fact.h"
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#include "vol.h"
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#include "hnotif.h"
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#include "miscdev.h"
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#include "dtctreg.h"
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#include "regnotif.h"
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#include "cmmn.h"
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#include "sfstr.h"
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#include "misc.h"
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#include "str.h"
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#include "dbg.h"
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#include "tfids.h"
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#include <ioevent.h>
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#include <dbt.h>
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#define ARRAYSIZE(a) (sizeof((a))/sizeof((a)[0]))
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///////////////////////////////////////////////////////////////////////////////
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//
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HRESULT _HandleDeviceEvent(LPCWSTR pszDeviceIntfID, CHWDeviceInst* phwdevinst,
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LPCWSTR pszEventType, BOOL* pfHasHandler)
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{
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HRESULT hres = _DispatchToHandler(pszDeviceIntfID, phwdevinst,
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pszEventType, pfHasHandler);
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if (SUCCEEDED(hres))
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{
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TRACE(TF_SHHWDTCTDTCT, TEXT("_DispatchToHandler SUCCEEDED"));
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}
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else
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{
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TRACE(TF_SHHWDTCTDTCT, TEXT("_DispatchToHandler FAILED: 0x%08X"),
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hres);
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hres = S_FALSE;
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}
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return hres;
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}
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// {A5DCBF10-6530-11D2-901F-00C04FB951ED}
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const CLSID guidInterfaceUSB =
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{0xA5DCBF10, 0x6530, 0x11D2,
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{0x90, 0x1F, 0x00, 0xC0, 0x4F, 0xB9, 0x51, 0xED}};
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// {53F5630A-B6BF-11D0-94F2-00A0C91EFB8B}
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const CLSID guidInterfacePartition =
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{0x53F5630A, 0xB6BF, 0x11D0,
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{0x94, 0xF2, 0x00, 0xA0, 0xC9, 0x1E, 0xFB, 0x8B}};
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HRESULT _IsInterfaceInList(const GUID* pguidInterface, const CLSID* rgList[], DWORD cList,
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BOOL* pfPresent)
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{
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*pfPresent = FALSE;
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for (DWORD dw = 0; !(*pfPresent) && (dw < cList); ++dw)
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{
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if (*(rgList[dw]) == *pguidInterface)
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{
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*pfPresent = TRUE;
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}
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}
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return S_OK;
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}
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const CLSID* _rgpguidRejectedInterface[] =
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{
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&guidInterfacePartition,
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};
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HRESULT _IsInterfaceRejected(GUID* pguidInterface, BOOL* pfRejected)
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{
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return _IsInterfaceInList(pguidInterface, _rgpguidRejectedInterface,
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ARRAYSIZE(_rgpguidRejectedInterface), pfRejected);
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}
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const CLSID* _rgpguidSpecialInterface[] =
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{
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&guidInterfaceUSB,
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};
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HRESULT _IsInterfaceSpecial(GUID* pguidInterface, BOOL* pfSpecial)
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{
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return _IsInterfaceInList(pguidInterface, _rgpguidSpecialInterface,
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ARRAYSIZE(_rgpguidRejectedInterface), pfSpecial);
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}
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HRESULT _TryAutoplay(LPCWSTR pszDeviceIntfID, CHWDeviceInst* phwdevinst,
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DWORD dwEventType)
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{
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LPCWSTR pszEventType = NULL;
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HRESULT hres;
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if (DBT_DEVICEARRIVAL == dwEventType)
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{
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pszEventType = TEXT("DeviceArrival");
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}
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else
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{
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if (DBT_DEVICEREMOVECOMPLETE == dwEventType)
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{
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pszEventType = TEXT("DeviceRemoval");
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}
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else
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{
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ASSERT(FALSE);
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}
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}
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if (pszEventType)
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{
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// Useless in this case
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BOOL fHasHandler;
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hres = _HandleDeviceEvent(pszDeviceIntfID, phwdevinst,
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pszEventType, &fHasHandler);
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}
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else
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{
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hres = S_FALSE;
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}
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return hres;
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}
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const CLSID* _rgpguidRequiringAdviseInterface[] =
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{
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&guidInterfaceUSB,
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&guidVideoCameraClass,
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&guidImagingDeviceClass,
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};
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HRESULT _IsInterfaceRequiringAdvise(GUID* pguidInterface, BOOL* pfRequiringAdvise)
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{
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return _IsInterfaceInList(pguidInterface, _rgpguidRequiringAdviseInterface,
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ARRAYSIZE(_rgpguidRequiringAdviseInterface), pfRequiringAdvise);
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}
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// If it's one of the few interfaces requiring advise, or if the device has a
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// DeviceHandler we send notifications
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HRESULT _AdviseDeviceArrivedOrRemovedHelper(GUID* pguidInterface,
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LPCWSTR pszDeviceIntfID, CHWDeviceInst* phwdevinst, DWORD dwEventType)
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{
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BOOL fAdvise;
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HRESULT hr = _IsInterfaceRequiringAdvise(pguidInterface, &fAdvise);
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// This should never get here
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ASSERT(guidVolumeClass != *pguidInterface);
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if (SUCCEEDED(hr))
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{
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DWORD dwDeviceFlags = HWDDF_HASDEVICEHANDLER_UNDETERMINED;
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if (phwdevinst)
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{
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WCHAR szDeviceHandler[MAX_DEVICEHANDLER];
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HRESULT hrTmp = _GetDeviceHandler(phwdevinst, szDeviceHandler,
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ARRAYSIZE(szDeviceHandler));
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if (SUCCEEDED(hrTmp) && (S_FALSE != hrTmp))
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{
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fAdvise = TRUE;
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dwDeviceFlags &= ~HWDDF_HASDEVICEHANDLER_UNDETERMINED;
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dwDeviceFlags |= HWDDF_HASDEVICEHANDLER;
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}
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}
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if (fAdvise)
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{
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BOOL fRemovableDevice;
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LPCWSTR pszDeviceEvent;
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if (DBT_DEVICEARRIVAL == dwEventType)
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{
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pszDeviceEvent = TEXT("DeviceArrival");
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}
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else
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{
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ASSERT(DBT_DEVICEREMOVECOMPLETE == dwEventType);
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pszDeviceEvent = TEXT("DeviceRemoval");
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}
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dwDeviceFlags |= HWDDF_REMOVABLEDEVICE_UNDETERMINED;
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if (phwdevinst)
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{
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hr = phwdevinst->IsRemovableDevice(&fRemovableDevice);
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if (SUCCEEDED(hr))
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{
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if (fRemovableDevice)
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{
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dwDeviceFlags &= ~HWDDF_REMOVABLEDEVICE_UNDETERMINED;
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dwDeviceFlags |= HWDDF_REMOVABLEDEVICE;
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}
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}
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}
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if (SUCCEEDED(hr))
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{
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hr = CHardwareDevicesImpl::_AdviseDeviceArrivedOrRemoved(
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pszDeviceIntfID, pguidInterface, dwDeviceFlags,
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pszDeviceEvent);
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}
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}
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else
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{
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hr = S_FALSE;
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}
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}
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return hr;
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}
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HRESULT _ProcessInterface(GUID* pguidInterface, LPCWSTR pszDeviceIntfID,
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DWORD dwEventType)
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{
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CNamedElemList* pnel;
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HRESULT hr = CHWEventDetectorHelper::GetList(HWEDLIST_MISCDEVINTF, &pnel);
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if (SUCCEEDED(hr))
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{
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if (DBT_DEVICEARRIVAL == dwEventType)
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{
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CNamedElem* pelem;
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hr = pnel->GetOrAdd(pszDeviceIntfID, &pelem);
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if (SUCCEEDED(hr))
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{
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BOOL fRemoveFromList = TRUE;
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CMiscDeviceInterface* pmdi = (CMiscDeviceInterface*)pelem;
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// If we're adding it, let's finish its initialization
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hr = pmdi->InitInterfaceGUID(pguidInterface);
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if (SUCCEEDED(hr))
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{
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CHWDeviceInst* phwdevinst;
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hr = pmdi->GetHWDeviceInst(&phwdevinst);
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if (SUCCEEDED(hr) && (S_FALSE != hr))
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{
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BOOL f;
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_AdviseDeviceArrivedOrRemovedHelper(pguidInterface,
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pszDeviceIntfID, phwdevinst, dwEventType);
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hr = phwdevinst->IsRemovableDevice(&f);
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if (SUCCEEDED(hr) & f)
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{
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hr = _IsInterfaceSpecial(pguidInterface, &f);
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if (SUCCEEDED(hr) & f)
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{
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hr = phwdevinst->ShouldAutoplayOnSpecialInterface(
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pguidInterface, &f);
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if (FAILED(hr) || (S_FALSE == hr))
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{
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f = FALSE;
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}
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}
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else
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{
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f = TRUE;
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}
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if (f)
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{
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hr = _TryAutoplay(pszDeviceIntfID, phwdevinst,
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dwEventType);
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fRemoveFromList = FALSE;
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}
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}
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}
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}
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if (fRemoveFromList)
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{
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hr = pnel->Remove(pszDeviceIntfID);
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}
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pelem->RCRelease();
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}
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}
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else
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{
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CNamedElem* pelem;
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hr = pnel->Get(pszDeviceIntfID, &pelem);
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if (SUCCEEDED(hr) && (S_FALSE != hr))
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{
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CHWDeviceInst* phwdevinst;
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CMiscDeviceInterface* pmdi = (CMiscDeviceInterface*)pelem;
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hr = pmdi->GetHWDeviceInst(&phwdevinst);
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if (SUCCEEDED(hr) && (S_FALSE != hr))
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{
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_AdviseDeviceArrivedOrRemovedHelper(pguidInterface,
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pszDeviceIntfID, phwdevinst, dwEventType);
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hr = _TryAutoplay(pszDeviceIntfID, phwdevinst,
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dwEventType);
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// If we're removing it, let's remove it from the list
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HRESULT hr2 = pnel->Remove(pszDeviceIntfID);
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hr = FAILED(hr2) ? hr2 : hr;
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}
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pelem->RCRelease();
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}
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else
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{
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_AdviseDeviceArrivedOrRemovedHelper(pguidInterface,
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pszDeviceIntfID, NULL, dwEventType);
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}
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}
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pnel->RCRelease();
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}
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return hr;
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}
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HRESULT CHWEventDetectorImpl::_HandleInterfaceEvent(
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DEV_BROADCAST_DEVICEINTERFACE* pdbdi, DWORD dwEventType)
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{
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HRESULT hres = S_FALSE;
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if (pdbdi->dbcc_name[0])
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{
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BOOL fSpecialCased;
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hres = _IsInterfaceSpecialCased(&(pdbdi->dbcc_classguid),
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&fSpecialCased);
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if (SUCCEEDED(hres))
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{
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if (fSpecialCased)
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{
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TRACE(TF_SHHWDTCTDTCT, TEXT("---> Special case"));
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hres = _ProcessInterfaceSpecialCased(&(pdbdi->dbcc_classguid),
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pdbdi->dbcc_name, dwEventType);
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}
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else
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{
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if ((DBT_DEVICEARRIVAL == dwEventType) ||
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(DBT_DEVICEREMOVECOMPLETE == dwEventType))
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{
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BOOL fRejected;
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hres = _IsInterfaceRejected(&(pdbdi->dbcc_classguid),
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&fRejected);
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if (SUCCEEDED(hres))
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{
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if (!fRejected)
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{
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TRACE(TF_SHHWDTCTDTCT, TEXT("---> Regular processing"));
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hres = _ProcessInterface(&(pdbdi->dbcc_classguid),
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pdbdi->dbcc_name, dwEventType);
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}
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else
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{
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TRACE(TF_SHHWDTCTDTCT, TEXT("---> Rejected"));
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}
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}
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}
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else
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{
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TRACE(TF_SHHWDTCTDTCT, TEXT("---> Not deviceArrival/Removal"));
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}
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}
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}
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}
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else
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{
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// why do we get this?
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}
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return hres;
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}
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// This is for volumes only
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// static
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HRESULT CHWEventDetectorImpl::HandleVolumeMediaEvent(LPCWSTR pszDeviceIDVolume,
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|
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CHWDeviceInst* phwdevinst, LPCWSTR pszEventType,
|
||
|
|
BOOL* pfHasHandler)
|
||
|
|
{
|
||
|
|
return _HandleDeviceEvent(pszDeviceIDVolume, phwdevinst, pszEventType,
|
||
|
|
pfHasHandler);
|
||
|
|
}
|
||
|
|
|
||
|
|
// This is for volumes only
|
||
|
|
HRESULT CHWEventDetectorImpl::_HandleBroadcastHandleEvent(
|
||
|
|
DEV_BROADCAST_HANDLE* pdbh, DWORD dwEventType)
|
||
|
|
{
|
||
|
|
HRESULT hres = S_OK;
|
||
|
|
|
||
|
|
if (DBT_CUSTOMEVENT == dwEventType)
|
||
|
|
{
|
||
|
|
if ((GUID_IO_VOLUME_MOUNT == pdbh->dbch_eventguid) ||
|
||
|
|
(GUID_IO_VOLUME_DISMOUNT == pdbh->dbch_eventguid) ||
|
||
|
|
(GUID_IO_VOLUME_DISMOUNT_FAILED == pdbh->dbch_eventguid) ||
|
||
|
|
(GUID_IO_VOLUME_LOCK == pdbh->dbch_eventguid) ||
|
||
|
|
(GUID_IO_VOLUME_UNLOCK == pdbh->dbch_eventguid) ||
|
||
|
|
(GUID_IO_VOLUME_LOCK_FAILED == pdbh->dbch_eventguid) ||
|
||
|
|
(GUID_IO_MEDIA_ARRIVAL == pdbh->dbch_eventguid) ||
|
||
|
|
(GUID_IO_MEDIA_REMOVAL == pdbh->dbch_eventguid) ||
|
||
|
|
(GUID_IO_VOLUME_CHANGE == pdbh->dbch_eventguid) ||
|
||
|
|
(GUID_IO_VOLUME_NAME_CHANGE == pdbh->dbch_eventguid))
|
||
|
|
{
|
||
|
|
hres = CHandleNotif::HandleBroadcastHandleEvent(pdbh, dwEventType);
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
#ifdef DEBUG
|
||
|
|
WCHAR szGUID[MAX_GUIDSTRING];
|
||
|
|
|
||
|
|
if (SUCCEEDED(_StringFromGUID(&(pdbh->dbch_eventguid), szGUID,
|
||
|
|
ARRAYSIZE(szGUID))))
|
||
|
|
{
|
||
|
|
TRACE(TF_SHHWDTCTDTCT,
|
||
|
|
TEXT("UNHANDLED! DBT_CUSTOMEVENT + %s for '0x%08X'"),
|
||
|
|
szGUID, pdbh->dbch_handle);
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
if ((DBT_DEVICEQUERYREMOVE == dwEventType) ||
|
||
|
|
(DBT_DEVICEREMOVEPENDING == dwEventType) ||
|
||
|
|
(DBT_DEVICEQUERYREMOVEFAILED == dwEventType) ||
|
||
|
|
(DBT_DEVICEREMOVECOMPLETE == dwEventType))
|
||
|
|
{
|
||
|
|
hres = CHandleNotif::HandleBroadcastHandleEvent(pdbh, dwEventType);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return hres;
|
||
|
|
}
|
||
|
|
|
||
|
|
///////////////////////////////////////////////////////////////////////////////
|
||
|
|
//
|
||
|
|
HRESULT CHWEventDetectorImpl::_RegisterForNotif()
|
||
|
|
{
|
||
|
|
HRESULT hres = CHWEventDetectorHelper::CreateLists();
|
||
|
|
|
||
|
|
if (SUCCEEDED(hres))
|
||
|
|
{
|
||
|
|
hres = CHWEventDetectorHelper::FillLists();
|
||
|
|
|
||
|
|
if (SUCCEEDED(hres))
|
||
|
|
{
|
||
|
|
// Register for all Device Interface Events
|
||
|
|
DEV_BROADCAST_DEVICEINTERFACE dbdNotifFilter = {0};
|
||
|
|
|
||
|
|
dbdNotifFilter.dbcc_size = sizeof(DEV_BROADCAST_DEVICEINTERFACE);
|
||
|
|
dbdNotifFilter.dbcc_devicetype = DBT_DEVTYP_DEVICEINTERFACE;
|
||
|
|
dbdNotifFilter.dbcc_classguid = guidInvalid;
|
||
|
|
|
||
|
|
hres = CHWEventDetectorHelper::RegisterDeviceNotification(
|
||
|
|
&dbdNotifFilter, &_hdevnotifyAllInterfaces, TRUE);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return hres;
|
||
|
|
}
|
||
|
|
|
||
|
|
HRESULT CHWEventDetectorImpl::_UnregisterForNotif()
|
||
|
|
{
|
||
|
|
CHWEventDetectorHelper::EmptyLists();
|
||
|
|
UnregisterDeviceNotification(_hdevnotifyAllInterfaces);
|
||
|
|
|
||
|
|
return S_OK;
|
||
|
|
}
|
||
|
|
|
||
|
|
///////////////////////////////////////////////////////////////////////////////
|
||
|
|
//
|
||
|
|
HRESULT CHWEventDetectorImpl::_RegisterFactories()
|
||
|
|
{
|
||
|
|
// TRUE: we want it to stay around
|
||
|
|
HRESULT hres = (CCOMBaseFactory::_RegisterFactories(TRUE) ? S_OK : E_FAIL);
|
||
|
|
|
||
|
|
TRACE(TF_COMSERVER, TEXT("CHWEventDetectorImpl::_RegisterFactories returns: 0x%08X"), hres);
|
||
|
|
|
||
|
|
return hres;
|
||
|
|
}
|
||
|
|
|
||
|
|
HRESULT CHWEventDetectorImpl::_UnregisterFactories()
|
||
|
|
{
|
||
|
|
// TRUE: we wanted it to stay around
|
||
|
|
HRESULT hres = (CCOMBaseFactory::_UnregisterFactories(TRUE) ? S_OK : E_FAIL);
|
||
|
|
|
||
|
|
TRACE(TF_COMSERVER, TEXT("CHWEventDetectorImpl::_UnregisterFactories returns: 0x%08X"), hres);
|
||
|
|
|
||
|
|
return hres;
|
||
|
|
}
|
||
|
|
|
||
|
|
HRESULT CHWEventDetectorImpl::_SuspendFactories()
|
||
|
|
{
|
||
|
|
HRESULT hres = (CCOMBaseFactory::_SuspendFactories() ? S_OK : E_FAIL);
|
||
|
|
|
||
|
|
TRACE(TF_COMSERVER, TEXT("CHWEventDetectorImpl::_SuspendFactories returns: 0x%08X"), hres);
|
||
|
|
|
||
|
|
return hres;
|
||
|
|
}
|
||
|
|
|
||
|
|
HRESULT CHWEventDetectorImpl::_ResumeFactories()
|
||
|
|
{
|
||
|
|
HRESULT hres = (CCOMBaseFactory::_ResumeFactories() ? S_OK : E_FAIL);
|
||
|
|
|
||
|
|
TRACE(TF_COMSERVER, TEXT("CHWEventDetectorImpl::_ResumeFactories returns: 0x%08X"), hres);
|
||
|
|
|
||
|
|
return hres;
|
||
|
|
}
|
||
|
|
|
||
|
|
///////////////////////////////////////////////////////////////////////////////
|
||
|
|
//
|
||
|
|
CHWEventDetectorImpl::CHWEventDetectorImpl() : _hEventRelinquishControl(NULL),
|
||
|
|
_hdevnotifyAllInterfaces(NULL), _hEventInitCompleted(NULL)
|
||
|
|
{}
|
||
|
|
|
||
|
|
CHWEventDetectorImpl::~CHWEventDetectorImpl()
|
||
|
|
{}
|