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#include "main.h"
#include "./service.h"
#include "./ifc_omserviceevent.h"
HRESULT OmService::RegisterEventHandler(ifc_omserviceevent *handler)
{
if (NULL == handler)
return E_POINTER;
HRESULT hr;
EnterCriticalSection(&eventLock);
size_t index = eventList.size();
while (index--)
{
if (handler == eventList[index])
{
break;
}
}
if (((size_t)-1) == index)
{
eventList.push_back(handler);
handler->AddRef();
hr = S_OK;
}
else
{
hr = E_UNEXPECTED;
}
LeaveCriticalSection(&eventLock);
return hr;
}
HRESULT OmService::UnregisterEventHandler(ifc_omserviceevent *handler)
{
if (NULL == handler)
return E_POINTER;
HRESULT hr;
EnterCriticalSection(&eventLock);
size_t index = eventList.size();
while (index--)
{
if (handler == eventList[index])
{
break;
}
}
if (((size_t)-1) != index)
{
ifc_omserviceevent *h = eventList[index];
eventList.erase(eventList.begin() + index);
h->Release();
hr = S_OK;
}
else
{
hr = S_FALSE;
}
LeaveCriticalSection(&eventLock);
return hr;
}
void OmService::UnregisterAllEventHandlers()
{
EnterCriticalSection(&eventLock);
size_t index = eventList.size();
while(index--)
{
ifc_omserviceevent *handler = eventList[index];
if (NULL != handler) handler->Release();
}
eventList.clear();
LeaveCriticalSection(&eventLock);
}
HRESULT OmService::Signal_ServiceChange(unsigned int modifiedFlags)
{
EnterCriticalSection(&eventLock);
size_t index = eventList.size();
while (index--)
{
ifc_omserviceevent *handler = eventList[index];
if (NULL != handler)
handler->ServiceChange(this, modifiedFlags);
}
LeaveCriticalSection(&eventLock);
return S_OK;
}
HRESULT OmService::Signal_CommandStateChange(const GUID *commandGroup, UINT commandId)
{
EnterCriticalSection(&eventLock);
size_t index = eventList.size();
while (index--)
{
ifc_omserviceevent *handler = eventList[index];
if (NULL != handler)
handler->CommandStateChange(this, commandGroup, commandId);
}
LeaveCriticalSection(&eventLock);
return S_OK;
}
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