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#include "main.h"
#include "./externalCOM.h"
#include "./util.h"
#include "./rssCOM.h"
#define DISPTABLE_CLASS ExternalCOM
DISPTABLE_BEGIN()
DISPENTRY_ADD(DISPATCH_PODCAST, L"Podcast", OnPodcast)
DISPTABLE_END
#undef DISPTABLE_CLASS
ExternalCOM::ExternalCOM()
{}
ExternalCOM::~ExternalCOM()
{}
HRESULT ExternalCOM::CreateInstance(ExternalCOM **instance)
{
if (NULL == instance) return E_POINTER;
*instance = new ExternalCOM();
if (NULL == *instance) return E_OUTOFMEMORY;
return S_OK;
}
STDMETHODIMP_( ULONG ) ExternalCOM::AddRef( void )
{
return _ref.fetch_add( 1 );
}
STDMETHODIMP_( ULONG ) ExternalCOM::Release( void )
{
if ( 0 == _ref.load() )
return _ref.load();
LONG r = _ref.fetch_sub( 1 );
if ( 0 == r )
delete( this );
return r;
}
STDMETHODIMP ExternalCOM::QueryInterface(REFIID riid, PVOID *ppvObject)
{
if (NULL == ppvObject) return E_POINTER;
if (IsEqualIID(riid, IID_IDispatch))
*ppvObject = static_cast<IDispatch*>(this);
else if (IsEqualIID(riid, IID_IUnknown))
*ppvObject = static_cast<IUnknown*>(this);
else
{
*ppvObject = NULL;
return E_NOINTERFACE;
}
AddRef();
return S_OK;
}
HRESULT ExternalCOM::OnPodcast(WORD wFlags, DISPPARAMS FAR *pdispparams, VARIANT FAR *pvarResult, unsigned int FAR *puArgErr)
{
if (NULL != pvarResult)
{
VariantInit(pvarResult);
RssCOM *rss;
if (SUCCEEDED(RssCOM::CreateInstance(&rss)))
{
V_VT(pvarResult) = VT_DISPATCH;
V_DISPATCH(pvarResult) = rss;
}
else
{
V_VT(pvarResult) = VT_NULL;
}
}
return S_OK;
}
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