blob: c57cd694864a08ddeb672d89992f0854704c3934 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
|
// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.
//*****************************************************************************
// ClassFactory.h
//
//
// Class factories are used by the pluming in COM to activate new objects.
// This module contains the class factory code to instantiate the debugger
// objects described in RSPriv.h.
//
//*****************************************************************************
#ifndef __ClassFactory__h__
#define __ClassFactory__h__
#include "rspriv.h"
// This typedef is for a function which will create a new instance of an object.
typedef HRESULT (STDMETHODCALLTYPE * PFN_CREATE_OBJ)(REFIID riid, void **ppvObject);
//*****************************************************************************
// One class factory object satifies all of our clsid's, to reduce overall
// code bloat.
//*****************************************************************************
class CClassFactory :
public IClassFactory
{
CClassFactory() { } // Can't use without data.
public:
CClassFactory(PFN_CREATE_OBJ pfnCreateObject)
: m_cRef(1), m_pfnCreateObject(pfnCreateObject)
{ }
virtual ~CClassFactory() {}
//
// IUnknown methods.
//
virtual HRESULT STDMETHODCALLTYPE QueryInterface(
REFIID riid,
void **ppvObject);
virtual ULONG STDMETHODCALLTYPE AddRef()
{
return (InterlockedIncrement(&m_cRef));
}
virtual ULONG STDMETHODCALLTYPE Release()
{
LONG cRef = InterlockedDecrement(&m_cRef);
if (cRef <= 0)
delete this;
return (cRef);
}
//
// IClassFactory methods.
//
virtual HRESULT STDMETHODCALLTYPE CreateInstance(
IUnknown *pUnkOuter,
REFIID riid,
void **ppvObject);
virtual HRESULT STDMETHODCALLTYPE LockServer(
BOOL fLock);
private:
LONG m_cRef; // Reference count.
PFN_CREATE_OBJ m_pfnCreateObject; // Creation function for an instance.
};
#endif // __ClassFactory__h__
|
