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