dlls/dxdiagn/provider.c

   1 /*
   2  * IDxDiagProvider Implementation
   3  *
   4  * Copyright 2004 Raphael Junqueira
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19  *
  20  */
  21
  22 #include "config.h"
  23 #include "dxdiag_private.h"
  24 #include "wine/debug.h"
  25
  26 WINE_DEFAULT_DEBUG_CHANNEL(dxdiag);
  27
  28 /* IDxDiagProvider IUnknown parts follow: */
  29 HRESULT WINAPI IDxDiagProviderImpl_QueryInterface(PDXDIAGPROVIDER iface, REFIID riid, LPVOID *ppobj)
  30 {
  31     ICOM_THIS(IDxDiagProviderImpl,iface);
  32
  33     if (IsEqualGUID(riid, &IID_IUnknown)
  34         || IsEqualGUID(riid, &IID_IDxDiagProvider)) {
  35         IDxDiagProviderImpl_AddRef(iface);
  36         *ppobj = This;
  37         return S_OK;
  38     }
  39
  40     WARN("(%p)->(%s,%p),not found\n",This,debugstr_guid(riid),ppobj);
  41     return E_NOINTERFACE;
  42 }
  43
  44 ULONG WINAPI IDxDiagProviderImpl_AddRef(PDXDIAGPROVIDER iface) {
  45     ICOM_THIS(IDxDiagProviderImpl,iface);
  46     TRACE("(%p) : AddRef from %ld\n", This, This->ref);
  47     return ++(This->ref);
  48 }
  49
  50 ULONG WINAPI IDxDiagProviderImpl_Release(PDXDIAGPROVIDER iface) {
  51     ICOM_THIS(IDxDiagProviderImpl,iface);
  52     ULONG ref = --This->ref;
  53     TRACE("(%p) : ReleaseRef to %ld\n", This, This->ref);
  54     if (ref == 0) {
  55         HeapFree(GetProcessHeap(), 0, This);
  56     }
  57     return ref;
  58 }
  59
  60 /* IDxDiagProvider Interface follow: */
  61 HRESULT WINAPI IDxDiagProviderImpl_Initialize(PDXDIAGPROVIDER iface, DXDIAG_INIT_PARAMS* pParams) {
  62   return S_OK;
  63 }
  64
  65 HRESULT WINAPI IDxDiagProviderImpl_GetRootContainer(PDXDIAGPROVIDER iface, IDxDiagContainer** ppInstance) {
  66   return S_OK;
  67 }
  68
  69 ICOM_VTABLE(IDxDiagProvider) DxDiagProvider_Vtbl =
  70 {
  71     ICOM_MSVTABLE_COMPAT_DummyRTTIVALUE
  72     IDxDiagProviderImpl_QueryInterface,
  73     IDxDiagProviderImpl_AddRef,
  74     IDxDiagProviderImpl_Release,
  75     IDxDiagProviderImpl_Initialize,
  76     IDxDiagProviderImpl_GetRootContainer
  77 };
  78
  79 HRESULT DXDiag_CreateDXDiagProvider(LPCLASSFACTORY iface, LPUNKNOWN punkOuter, REFIID riid, LPVOID *ppobj) {
  80   IDxDiagProviderImpl* provider;
  81
  82   TRACE("(%p, %s, %p)\n", punkOuter, debugstr_guid(riid), ppobj);
  83
  84   provider = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(IDxDiagProviderImpl));
  85   if (NULL == provider) {
  86     *ppobj = NULL;
  87     return E_OUTOFMEMORY;
  88   }
  89   provider->lpVtbl = &DxDiagProvider_Vtbl;
  90   provider->ref = 0; /* will be inited with QueryInterface */
  91   return IDxDiagProviderImpl_QueryInterface ((PDXDIAGPROVIDER)provider, riid, ppobj);
  92 }