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#include "main.h"
#include "./deviceConnection.h"
#include <strsafe.h>
DeviceConnection::DeviceConnection()
: ref(1), name(NULL), displayName(NULL)
{
if (FAILED(DeviceIconStore::CreateInstance(&iconStore)))
iconStore = NULL;
InitializeCriticalSection(&lock);
}
DeviceConnection::~DeviceConnection()
{
AnsiString_Free(name);
String_Free(displayName);
if (NULL != iconStore)
iconStore->Release();
DeleteCriticalSection(&lock);
}
HRESULT DeviceConnection::CreateInstance(const char *name, DeviceConnection **instance)
{
char *nameCopy;
if (NULL == instance)
return E_POINTER;
if (FALSE != IS_STRING_EMPTY(name))
return E_INVALIDARG;
*instance = new DeviceConnection();
if (NULL == *instance)
return E_OUTOFMEMORY;
nameCopy = AnsiString_Duplicate(name);
if (NULL == nameCopy)
{
(*instance)->Release();
return E_OUTOFMEMORY;
}
(*instance)->name = nameCopy;
return S_OK;
}
size_t DeviceConnection::AddRef()
{
return InterlockedIncrement((LONG*)&ref);
}
size_t DeviceConnection::Release()
{
if (0 == ref)
return ref;
LONG r = InterlockedDecrement((LONG*)&ref);
if (0 == r)
delete(this);
return r;
}
int DeviceConnection::QueryInterface(GUID interface_guid, void **object)
{
if (NULL == object) return E_POINTER;
if (IsEqualIID(interface_guid, IFC_DeviceConnection))
*object = static_cast<ifc_deviceconnection*>(this);
else if (IsEqualIID(interface_guid, IFC_DeviceConnectionEditor))
*object = static_cast<ifc_deviceconnectioneditor*>(this);
else if (IsEqualIID(interface_guid, IFC_DeviceObject))
*object = static_cast<ifc_deviceobject*>(this);
else
{
*object = NULL;
return E_NOINTERFACE;
}
if (NULL == *object)
return E_UNEXPECTED;
AddRef();
return S_OK;
}
void DeviceConnection::Lock()
{
EnterCriticalSection(&lock);
}
void DeviceConnection::Unlock()
{
LeaveCriticalSection(&lock);
}
const char *DeviceConnection::GetName()
{
return name;
}
HRESULT DeviceConnection::GetIcon(wchar_t *buffer, size_t bufferSize, int width, int height)
{
HRESULT hr;
if (NULL == buffer)
return E_POINTER;
Lock();
if (NULL == iconStore)
hr = E_UNEXPECTED;
else
hr = iconStore->Get(buffer, bufferSize, width, height);
Unlock();
return hr;
}
HRESULT DeviceConnection::GetDisplayName(wchar_t *buffer, size_t bufferSize)
{
HRESULT hr;
if (NULL == buffer)
return E_POINTER;
Lock();
hr = StringCchCopyExW(buffer, bufferSize, displayName, NULL, NULL, STRSAFE_IGNORE_NULLS);
Unlock();
return hr;
}
HRESULT DeviceConnection::GetIconStore(ifc_deviceiconstore **store)
{
HRESULT hr;
if (NULL == store)
return E_POINTER;
Lock();
if (NULL == iconStore)
hr = E_UNEXPECTED;
else
{
iconStore->AddRef();
*store = iconStore;
hr = S_OK;
}
Unlock();
return hr;
}
HRESULT DeviceConnection::SetDisplayName(const wchar_t *displayName)
{
HRESULT hr;
Lock();
String_Free(this->displayName);
this->displayName = String_Duplicate(displayName);
if (NULL == this->displayName && NULL != displayName)
hr = E_OUTOFMEMORY;
else
hr = S_OK;
Unlock();
return hr;
}
#define CBCLASS DeviceConnection
START_MULTIPATCH;
START_PATCH(MPIID_DEVICECONNECTION)
M_CB(MPIID_DEVICECONNECTION, ifc_deviceconnection, ADDREF, AddRef);
M_CB(MPIID_DEVICECONNECTION, ifc_deviceconnection, RELEASE, Release);
M_CB(MPIID_DEVICECONNECTION, ifc_deviceconnection, QUERYINTERFACE, QueryInterface);
M_CB(MPIID_DEVICECONNECTION, ifc_deviceconnection, API_GETNAME, GetName);
M_CB(MPIID_DEVICECONNECTION, ifc_deviceconnection, API_GETICON, GetIcon);
M_CB(MPIID_DEVICECONNECTION, ifc_deviceconnection, API_GETDISPLAYNAME, GetDisplayName);
NEXT_PATCH(MPIID_DEVICECONNECTIONEDITOR)
M_CB(MPIID_DEVICECONNECTIONEDITOR, ifc_deviceconnectioneditor, ADDREF, AddRef);
M_CB(MPIID_DEVICECONNECTIONEDITOR, ifc_deviceconnectioneditor, RELEASE, Release);
M_CB(MPIID_DEVICECONNECTIONEDITOR, ifc_deviceconnectioneditor, QUERYINTERFACE, QueryInterface);
M_CB(MPIID_DEVICECONNECTIONEDITOR, ifc_deviceconnectioneditor, API_SETDISPLAYNAME, SetDisplayName);
M_CB(MPIID_DEVICECONNECTIONEDITOR, ifc_deviceconnectioneditor, API_GETICONSTORE, GetIconStore);
END_PATCH
END_MULTIPATCH;
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