modules/rostests/apitests/include/unknownbase.h at master

Reactos

reactos / modules / rostests / apitests / include / unknownbase.h

at master 47 lines 935 B view raw

wrap content

Colin Finck Git conversion: Make reactos the root directory, move rosapps, rostests, wallpapers into modules, and delete rossubsys. 8y ago

c2c66aff

 1#ifndef APITESTS_UNKNOWNBASE_H
 2#define APITESTS_UNKNOWNBASE_H
 3
 4template<typename Interface>
 5class CUnknownBase : public Interface
 6{
 7    LONG m_lRef;
 8    bool m_AutoDelete;
 9protected:
10    virtual const QITAB* GetQITab() = 0;
11public:
12
13    CUnknownBase(bool autoDelete = true, LONG initialRef = 0)
14        : m_lRef(initialRef),
15        m_AutoDelete(autoDelete)
16    {
17    }
18
19   ULONG STDMETHODCALLTYPE AddRef ()
20   {
21       return InterlockedIncrement( &m_lRef );
22   }
23
24   ULONG STDMETHODCALLTYPE Release()
25   {
26       long newref = InterlockedDecrement( &m_lRef );
27       if (m_AutoDelete && newref<=0)
28       {
29           delete this;
30       }
31       return newref;
32   }
33
34    HRESULT STDMETHODCALLTYPE QueryInterface(REFIID riid, void** ppv)
35    {
36        return QISearch(this, GetQITab(), riid, ppv);
37    }
38
39    virtual ~CUnknownBase() {}
40
41    LONG GetRef() const
42    {
43        return m_lRef;
44    }
45};
46
47#endif // APITESTS_UNKNOWNBASE_H