dll/win32/wuapi/systeminfo.c

   1 /*
   2  * IAutomaticUpdates implementation
   3  *
   4  * Copyright 2008 Hans Leidekker
   5  * Copyright 2011 Bernhard Loos
   6  *
   7  * This library is free software; you can redistribute it and/or
   8  * modify it under the terms of the GNU Lesser General Public
   9  * License as published by the Free Software Foundation; either
  10  * version 2.1 of the License, or (at your option) any later version.
  11  *
  12  * This library is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15  * Lesser General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU Lesser General Public
  18  * License along with this library; if not, write to the Free Software
  19  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  20  */
  21
  22 #include "wuapi_private.h"
  23
  24 typedef struct _systeminfo
  25 {
  26     ISystemInformation ISystemInformation_iface;
  27     LONG refs;
  28 } systeminfo;
  29
  30 static inline systeminfo *impl_from_ISystemInformation(ISystemInformation *iface)
  31 {
  32     return CONTAINING_RECORD(iface, systeminfo, ISystemInformation_iface);
  33 }
  34
  35 static ULONG WINAPI systeminfo_AddRef(ISystemInformation *iface)
  36 {
  37     systeminfo *This = impl_from_ISystemInformation(iface);
  38     return InterlockedIncrement(&This->refs);
  39 }
  40
  41 static ULONG WINAPI systeminfo_Release(ISystemInformation *iface)
  42 {
  43     systeminfo *This = impl_from_ISystemInformation(iface);
  44     LONG refs = InterlockedDecrement(&This->refs);
  45     if (!refs)
  46     {
  47         TRACE("destroying %p\n", This);
  48         HeapFree(GetProcessHeap(), 0, This);
  49     }
  50     return refs;
  51 }
  52
  53 static HRESULT WINAPI systeminfo_QueryInterface(ISystemInformation *iface,
  54                     REFIID riid, void **ppvObject)
  55 {
  56     systeminfo *This = impl_from_ISystemInformation(iface);
  57
  58     TRACE("%p %s %p\n", This, debugstr_guid(riid), ppvObject);
  59
  60     if (IsEqualGUID(riid, &IID_ISystemInformation) ||
  61         IsEqualGUID(riid, &IID_IDispatch) ||
  62         IsEqualGUID(riid, &IID_IUnknown))
  63     {
  64         *ppvObject = iface;
  65     }
  66     else
  67     {
  68         FIXME("interface %s not implemented\n", debugstr_guid(riid));
  69         return E_NOINTERFACE;
  70     }
  71     ISystemInformation_AddRef(iface);
  72     return S_OK;
  73 }
  74
  75 static HRESULT WINAPI systeminfo_GetTypeInfoCount(ISystemInformation *iface,
  76                     UINT *pctinfo )
  77 {
  78     FIXME("\n");
  79     return E_NOTIMPL;
  80 }
  81
  82 static HRESULT WINAPI systeminfo_GetTypeInfo(ISystemInformation *iface,
  83                     UINT iTInfo, LCID lcid, ITypeInfo **ppTInfo)
  84 {
  85     FIXME("\n");
  86     return E_NOTIMPL;
  87 }
  88
  89 static HRESULT WINAPI systeminfo_GetIDsOfNames(ISystemInformation *iface,
  90                     REFIID riid, LPOLESTR *rgszNames, UINT cNames, LCID lcid,
  91                     DISPID *rgDispId)
  92 {
  93     FIXME("\n");
  94     return E_NOTIMPL;
  95 }
  96
  97 static HRESULT WINAPI systeminfo_Invoke(ISystemInformation *iface,
  98                     DISPID dispIdMember, REFIID riid, LCID lcid, WORD wFlags,
  99                     DISPPARAMS *pDispParams, VARIANT *pVarResult,
 100                     EXCEPINFO *pExcepInfo, UINT *puArgErr )
 101 {
 102     FIXME("\n");
 103     return E_NOTIMPL;
 104 }
 105
 106 static HRESULT WINAPI systeminfo_get_OemHardwareSupportLink(ISystemInformation *iface,
 107                                 BSTR *retval)
 108 {
 109     FIXME("\n");
 110     return E_NOTIMPL;
 111 }
 112
 113 static HRESULT WINAPI systeminfo_get_RebootRequired(ISystemInformation *iface,
 114                                 VARIANT_BOOL *retval)
 115 {
 116     *retval = VARIANT_FALSE;
 117     return S_OK;
 118 }
 119
 120 static const struct ISystemInformationVtbl systeminfo_vtbl =
 121 {
 122     systeminfo_QueryInterface,
 123     systeminfo_AddRef,
 124     systeminfo_Release,
 125     systeminfo_GetTypeInfoCount,
 126     systeminfo_GetTypeInfo,
 127     systeminfo_GetIDsOfNames,
 128     systeminfo_Invoke,
 129     systeminfo_get_OemHardwareSupportLink,
 130     systeminfo_get_RebootRequired
 131 };
 132
 133 HRESULT SystemInformation_create(LPVOID *ppObj)
 134 {
 135     systeminfo *info;
 136
 137     TRACE("(%p)\n", ppObj);
 138
 139     info = HeapAlloc(GetProcessHeap(), 0, sizeof(*info));
 140     if (!info)
 141         return E_OUTOFMEMORY;
 142
 143     info->ISystemInformation_iface.lpVtbl = &systeminfo_vtbl;
 144     info->refs = 1;
 145
 146     *ppObj = &info->ISystemInformation_iface;
 147
 148     TRACE("returning iface %p\n", *ppObj);
 149     return S_OK;
 150 }