dlls/dplayx/dpclassfactory.c

   1
   2 #include "wine/obj_base.h"
   3 #include "winerror.h"
   4 #include "debugtools.h"
   5 #include "dpinit.h"
   6
   7 DEFAULT_DEBUG_CHANNEL(dplay)
   8
   9
  10 /*******************************************************************************
  11  * DirectPlayLobby ClassFactory
  12  */
  13
  14 typedef struct
  15 {
  16     /* IUnknown fields */
  17     ICOM_VFIELD(IClassFactory);
  18     DWORD                       ref;
  19 } IClassFactoryImpl;
  20
  21 static HRESULT WINAPI
  22 DP_and_DPL_QueryInterface(LPCLASSFACTORY iface,REFIID riid,LPVOID *ppobj) {
  23         ICOM_THIS(IClassFactoryImpl,iface);
  24
  25         FIXME("(%p)->(%s,%p),stub!\n",This,debugstr_guid(riid),ppobj);
  26
  27         return E_NOINTERFACE;
  28 }
  29
  30 static ULONG WINAPI
  31 DP_and_DPL_AddRef(LPCLASSFACTORY iface) {
  32         ICOM_THIS(IClassFactoryImpl,iface);
  33         return ++(This->ref);
  34 }
  35
  36 static ULONG WINAPI DP_and_DPL_Release(LPCLASSFACTORY iface) {
  37         ICOM_THIS(IClassFactoryImpl,iface);
  38         /* static class (reference starts @ 1), won't ever be freed */
  39         return --(This->ref);
  40 }
  41
  42 /* Not the most efficient implementation, but it's simple */
  43 static HRESULT WINAPI DP_and_DPL_CreateInstance(
  44         LPCLASSFACTORY iface,LPUNKNOWN pOuter,REFIID riid,LPVOID *ppobj
  45 ) {
  46         ICOM_THIS(IClassFactoryImpl,iface);
  47
  48         TRACE("(%p)->(%p,%s,%p)\n",This,pOuter,debugstr_guid(riid),ppobj);
  49
  50         /* FIXME: reuse already created DP/DPL object if present? */
  51         if ( directPlayLobby_QueryInterface( riid, ppobj ) == S_OK )
  52         {
  53            return S_OK;
  54         }
  55         else if ( directPlay_QueryInterface( riid, ppobj ) == S_OK )
  56         {
  57            return S_OK;
  58         }
  59
  60         return E_NOINTERFACE;
  61 }
  62
  63 static HRESULT WINAPI DP_and_DPL_LockServer(LPCLASSFACTORY iface,BOOL dolock) {
  64         ICOM_THIS(IClassFactoryImpl,iface);
  65         FIXME("(%p)->(%d),stub!\n",This,dolock);
  66         return S_OK;
  67 }
  68
  69 static ICOM_VTABLE(IClassFactory) DP_and_DPL_Vtbl = {
  70         ICOM_MSVTABLE_COMPAT_DummyRTTIVALUE
  71         DP_and_DPL_QueryInterface,
  72         DP_and_DPL_AddRef,
  73         DP_and_DPL_Release,
  74         DP_and_DPL_CreateInstance,
  75         DP_and_DPL_LockServer
  76 };
  77
  78 static IClassFactoryImpl DP_and_DPL_CF = {&DP_and_DPL_Vtbl, 1 };
  79
  80
  81 /*******************************************************************************
  82  * DP_and_DPL_DllGetClassObject [DPLAYX.?]
  83  * Retrieves DP or DPL class object from a DLL object
  84  *
  85  * NOTES
  86  *    Docs say returns STDAPI
  87  *
  88  * PARAMS
  89  *    rclsid [I] CLSID for the class object
  90  *    riid   [I] Reference to identifier of interface for class object
  91  *    ppv    [O] Address of variable to receive interface pointer for riid
  92  *
  93  * RETURNS
  94  *    Success: S_OK
  95  *    Failure: CLASS_E_CLASSNOTAVAILABLE, E_OUTOFMEMORY, E_INVALIDARG,
  96  *             E_UNEXPECTED
  97  */
  98 DWORD WINAPI DP_and_DPL_DllGetClassObject(REFCLSID rclsid,REFIID riid,LPVOID *ppv)
  99 {
 100     TRACE("(%p,%p,%p)\n", debugstr_guid(rclsid), debugstr_guid(riid), ppv);
 101
 102     if ( IsEqualCLSID( riid, &IID_IClassFactory ) )
 103     {
 104         *ppv = (LPVOID)&DP_and_DPL_CF;
 105         IClassFactory_AddRef( (IClassFactory*)*ppv );
 106
 107         return S_OK;
 108     }
 109
 110     ERR("(%p,%p,%p): no interface found.\n", debugstr_guid(rclsid), debugstr_guid(riid), ppv);
 111     return CLASS_E_CLASSNOTAVAILABLE;
 112 }
 113