119 lines
3 KiB
C
119 lines
3 KiB
C
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/*
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Copyright (c) 1998-1999 Microsoft Corporation
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Module Name:
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blbmeco.h
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Abstract:
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Definition of the MEDIA_COLLECTION class
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Author:
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*/
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#if !defined(AFX_BLBMECO_H__0CC1F04D_CAEB_11D0_8D58_00C04FD91AC0__INCLUDED_)
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#define AFX_BLBMECO_H__0CC1F04D_CAEB_11D0_8D58_00C04FD91AC0__INCLUDED_
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#if _MSC_VER >= 1000
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#pragma once
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#endif // _MSC_VER >= 1000
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#include "resource.h" // main symbols
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#include "blbgen.h"
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#include "blbsdp.h"
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#include "blbcoen.h"
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#include "blbmedia.h"
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/////////////////////////////////////////////////////////////////////////////
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// MEDIA_COLLECTION
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typedef IDispatchImpl<MY_COLL_IMPL<MEDIA>, &IID_ITMediaCollection, &LIBID_SDPBLBLib> MY_MEDIA_COLL_DISPATCH_IMPL;
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class ATL_NO_VTABLE MEDIA_COLLECTION :
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public MY_MEDIA_COLL_DISPATCH_IMPL,
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public CComObjectRootEx<CComObjectThreadModel>,
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public CObjectSafeImpl
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{
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public:
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BEGIN_COM_MAP(MEDIA_COLLECTION)
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COM_INTERFACE_ENTRY2(IDispatch, ITMediaCollection)
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COM_INTERFACE_ENTRY(ITMediaCollection)
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COM_INTERFACE_ENTRY(IObjectSafety)
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COM_INTERFACE_ENTRY_AGGREGATE(IID_IMarshal, m_pFTM)
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END_COM_MAP()
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DECLARE_NOT_AGGREGATABLE(MEDIA_COLLECTION)
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DECLARE_GET_CONTROLLING_UNKNOWN()
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STDMETHODIMP get_EnumerationIf(
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/*[out, retval]*/ ENUM_IF **pVal
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)
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{
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CLock Lock(g_DllLock);
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ASSERT(NULL != m_IfArray);
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BAIL_IF_NULL(m_IfArray, E_FAIL);
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BAIL_IF_NULL(pVal, E_INVALIDARG);
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CComObject<CSafeComEnum<ENUM_IF, &IID_IEnumMedia , ELEM_IF *, COPY_ELEM_IF> > * EnumComObject;
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HRESULT HResult = CComObject<CSafeComEnum<ENUM_IF, &IID_IEnumMedia , ELEM_IF *, COPY_ELEM_IF> >::
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CreateInstance(&EnumComObject);
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BAIL_ON_FAILURE(HResult);
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HResult = EnumComObject->Init(
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m_IfArray->GetElemIfArrayData(),
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m_IfArray->GetElemIfArrayData() + m_IfArray->GetSize(),
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NULL, // no owner pUnk
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AtlFlagCopy // copy the array data
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);
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if ( FAILED(HResult) )
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{
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delete EnumComObject;
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return HResult;
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}
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// query for the ENUM_IF interface and return it
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HResult = EnumComObject->_InternalQueryInterface(IID_IEnumMedia, (void**)pVal);
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if ( FAILED(HResult) )
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{
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delete EnumComObject;
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return HResult;
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}
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return S_OK;
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}
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MEDIA_COLLECTION() : m_pFTM(NULL) { }
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~MEDIA_COLLECTION() { if ( m_pFTM ) m_pFTM->Release(); }
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inline HRESULT FinalConstruct(void);
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protected:
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IUnknown * m_pFTM; // pointer to the free threaded marshaler
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};
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inline
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HRESULT MEDIA_COLLECTION::FinalConstruct(void)
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{
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HRESULT HResult = CoCreateFreeThreadedMarshaler( GetControllingUnknown(),
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& m_pFTM );
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if ( FAILED(HResult) )
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{
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return HResult;
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}
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return S_OK;
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}
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#endif // !defined(AFX_BLBMECO_H__0CC1F04D_CAEB_11D0_8D58_00C04FD91AC0__INCLUDED_)
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