windows-xp/Source/XPSP1/NT/multimedia/dshow/vidctl/msvidctl/components.h

/////////////////////////////////////////////////////////////////////////////////////
// Components.h : Declaration of the CComponents
// Copyright (c) Microsoft Corporation 1999.

#ifndef __COMPONENTS_H_
#define __COMPONENTS_H_

#pragma once

#include <objectwithsiteimplsec.h>
#include "component.h"

typedef std::vector<PQComponent, stl_smart_ptr_allocator<PQComponent> > ComponentList;

/////////////////////////////////////////////////////////////////////////////
// CComponent
class ATL_NO_VTABLE CComponents : 
	public CComObjectRootEx<CComMultiThreadModel>,
    public IObjectWithSiteImplSec<CComponents>,
	public IDispatchImpl<IComponents, &IID_IComponents, &LIBID_TunerLib>
{
public:
	CComponents()
	{
	}

DECLARE_NOT_AGGREGATABLE(CComponents)

DECLARE_PROTECT_FINAL_CONSTRUCT()

BEGIN_COM_MAP(CComponents)
	COM_INTERFACE_ENTRY(IComponents)
	COM_INTERFACE_ENTRY(IDispatch)
    COM_INTERFACE_ENTRY(IObjectWithSite)
END_COM_MAP_WITH_FTM()
public:
    ComponentList m_Components;

// IComponents
public:
	STDMETHOD(get__NewEnum)(/*[out, retval]*/ IEnumVARIANT* *pVal);
	STDMETHOD(EnumComponents)(/*[out, retval]*/ IEnumComponents** pVal);
	STDMETHOD(get_Count)(/*[out, retval]*/ long *pVal);
    STDMETHOD(get_Item)(/*[in]*/ VARIANT varIndex, /*[out, retval]*/ IComponent **ppComponent);
    STDMETHOD(Add)(/*[in]*/ IComponent *pComponent, VARIANT *pNewIndex);
    STDMETHOD(Remove)(VARIANT varIndex);
    STDMETHOD(Clone)(IComponents **ppNewList);
};

typedef CComQIPtr<IComponents> PQComponents;

class CopyComponentToVARIANT {
public:
    static HRESULT copy(VARIANT *pv, IComponent** p) {
        VariantClear(pv);
        pv->vt = VT_UNKNOWN;
        pv->punkVal = *p;
        pv->punkVal->AddRef();
        return NOERROR;
    }
    static void init(VARIANT *v) { VariantInit(v); }
    static void destroy(VARIANT *v) { VariantClear(v); }
};

typedef CComObject<CComEnumOnSTL<IEnumVARIANT, &__uuidof(IEnumVARIANT), 
                                 VARIANT, 
                                 CopyComponentToVARIANT, 
                                 ComponentList, 
								 CComMultiThreadModel> > ComponentEnumerator_t;

typedef CComObject<CComEnumOnSTL<IEnumComponents, &__uuidof(IEnumComponents), 
                                 IComponent *, 
                                 _CopyInterface<IComponent>, 
                                 ComponentList, 
								 CComMultiThreadModel> > ComponentBaseEnumerator_t;


#endif //__COMPONENTS_H_