reactos/dll/win32/netshell/classfactory.cpp

   1 #include "precomp.h"
   2
   3 WINE_DEFAULT_DEBUG_CHANNEL (shell);
   4
   5 class CNetshellClassFactory: public IClassFactory
   6 {
   7     public:
   8         CNetshellClassFactory(REFCLSID rclsid);
   9
  10         /* IUnknown */
  11         virtual HRESULT WINAPI QueryInterface(REFIID riid, LPVOID *ppvOut);
  12         virtual ULONG WINAPI AddRef();
  13         virtual ULONG WINAPI Release();
  14
  15         /* IClassFactory */
  16         virtual HRESULT WINAPI CreateInstance(LPUNKNOWN pUnkOuter, REFIID riid, LPVOID *ppvObject);
  17         virtual HRESULT WINAPI LockServer(BOOL fLock);
  18
  19     private:
  20         LONG ref;
  21         CLSID clsid;
  22 };
  23
  24 CNetshellClassFactory::CNetshellClassFactory(REFCLSID rclsid)
  25 {
  26     ref = 0;
  27     clsid = rclsid;
  28 }
  29
  30 HRESULT
  31 WINAPI
  32 CNetshellClassFactory::QueryInterface(
  33     REFIID riid,
  34     LPVOID *ppvObj)
  35 {
  36     *ppvObj = NULL;
  37     if(IsEqualIID(riid, IID_IUnknown) || IsEqualIID(riid, IID_IClassFactory))
  38     {
  39         *ppvObj = (IClassFactory*)this;
  40         InterlockedIncrement(&ref);
  41         return S_OK;
  42     }
  43     return E_NOINTERFACE;
  44 }
  45
  46 ULONG
  47 WINAPI
  48 CNetshellClassFactory::AddRef()
  49 {
  50     ULONG refCount = InterlockedIncrement(&ref);
  51
  52     return refCount;
  53 }
  54
  55 ULONG
  56 WINAPI
  57 CNetshellClassFactory::Release()
  58 {
  59     ULONG refCount = InterlockedDecrement(&ref);
  60
  61     if (!refCount)
  62     {
  63         CoTaskMemFree(this);
  64         return 0;
  65     }
  66     return refCount;
  67 }
  68
  69 HRESULT
  70 WINAPI
  71 CNetshellClassFactory::CreateInstance(
  72     LPUNKNOWN pUnkOuter,
  73     REFIID riid,
  74     LPVOID *ppvObject)
  75 {
  76     *ppvObject = NULL;
  77
  78     if (IsEqualCLSID(clsid, CLSID_NetworkConnections))
  79         return ISF_NetConnect_Constructor(pUnkOuter, riid, ppvObject);
  80     else if (IsEqualCLSID(clsid, CLSID_ConnectionManager))
  81         return INetConnectionManager_Constructor(pUnkOuter, riid, ppvObject);
  82     else if (IsEqualCLSID(clsid, CLSID_LANConnectUI))
  83         return LanConnectUI_Constructor(pUnkOuter, riid, ppvObject);
  84     else if (IsEqualCLSID(clsid, CLSID_LanConnectStatusUI))
  85         return LanConnectStatusUI_Constructor(pUnkOuter, riid, ppvObject);
  86
  87     return E_NOINTERFACE;
  88 }
  89
  90 HRESULT
  91 WINAPI
  92 CNetshellClassFactory::LockServer(BOOL fLock)
  93 {
  94     return E_NOTIMPL;
  95 }
  96
  97 HRESULT IClassFactory_fnConstructor(REFCLSID rclsid, REFIID riid, LPVOID *ppvOut)
  98 {
  99     CNetshellClassFactory *pClsFactory = new CNetshellClassFactory(rclsid);
 100     if (!pClsFactory)
 101         return E_OUTOFMEMORY;
 102
 103     pClsFactory->AddRef();
 104     HRESULT hr = pClsFactory->QueryInterface(riid, ppvOut);
 105     pClsFactory->Release();
 106
 107     return hr;
 108 }