#include <dvcap/DeviceNotify.hpp>
#include <com/com.hpp>
#include <common/dxsdk.hpp>
#include <common/dbt.hpp>

bool DeviceNotification::registerDeviceNotification(GUIWindow &guiWindow)
{
  DEV_BROADCAST_DEVICEINTERFACE filterData;
  
  ::memset(&filterData,0,sizeof(filterData));
	filterData.dbcc_size=sizeof(filterData);
	filterData.dbcc_devicetype=DBT_DEVTYP_DEVICEINTERFACE;
	filterData.dbcc_classguid=AM_KSCATEGORY_CAPTURE;
  mhDevNotify=::RegisterDeviceNotification(guiWindow,&filterData,DEVICE_NOTIFY_WINDOW_HANDLE);
	return isOkay();
}

void DeviceNotification::unRegisterDeviceNotification()
{
  if(!isOkay())return;
	::UnregisterDeviceNotification(mhDevNotify);
	mhDevNotify=0;
}