dlls/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 #define COBJMACROS
  23
  24 #include <stdarg.h>
  25
  26 #include "windef.h"
  27 #include "winbase.h"
  28 #include "winuser.h"
  29 #include "ole2.h"
  30 #include "wuapi.h"
  31 #include "wuapi_private.h"
  32
  33 #include "wine/debug.h"
  34
  35 WINE_DEFAULT_DEBUG_CHANNEL(wuapi);
  36
  37 typedef struct _systeminfo
  38 {
  39     ISystemInformation ISystemInformation_iface;
  40     LONG refs;
  41 } systeminfo;
  42
  43 static inline systeminfo *impl_from_ISystemInformation(ISystemInformation *iface)
  44 {
  45     return CONTAINING_RECORD(iface, systeminfo, ISystemInformation_iface);
  46 }
  47
  48 static ULONG WINAPI systeminfo_AddRef(ISystemInformation *iface)
  49 {
  50     systeminfo *This = impl_from_ISystemInformation(iface);
  51     return InterlockedIncrement(&This->refs);
  52 }
  53
  54 static ULONG WINAPI systeminfo_Release(ISystemInformation *iface)
  55 {
  56     systeminfo *This = impl_from_ISystemInformation(iface);
  57     LONG refs = InterlockedDecrement(&This->refs);
  58     if (!refs)
  59     {
  60         TRACE("destroying %p\n", This);
  61         HeapFree(GetProcessHeap(), 0, This);
  62     }
  63     return refs;
  64 }
  65
  66 static HRESULT WINAPI systeminfo_QueryInterface(ISystemInformation *iface,
  67                     REFIID riid, void **ppvObject)
  68 {
  69     systeminfo *This = impl_from_ISystemInformation(iface);
  70
  71     TRACE("%p %s %p\n", This, debugstr_guid(riid), ppvObject);
  72
  73     if (IsEqualGUID(riid, &IID_ISystemInformation) ||
  74         IsEqualGUID(riid, &IID_IDispatch) ||
  75         IsEqualGUID(riid, &IID_IUnknown))
  76     {
  77         *ppvObject = iface;
  78     }
  79     else
  80     {
  81         FIXME("interface %s not implemented\n", debugstr_guid(riid));
  82         return E_NOINTERFACE;
  83     }
  84     ISystemInformation_AddRef(iface);
  85     return S_OK;
  86 }
  87
  88 static HRESULT WINAPI systeminfo_GetTypeInfoCount(ISystemInformation *iface,
  89                     UINT *pctinfo )
  90 {
  91     FIXME("\n");
  92     return E_NOTIMPL;
  93 }
  94
  95 static HRESULT WINAPI systeminfo_GetTypeInfo(ISystemInformation *iface,
  96                     UINT iTInfo, LCID lcid, ITypeInfo **ppTInfo)
  97 {
  98     FIXME("\n");
  99     return E_NOTIMPL;
 100 }
 101
 102 static HRESULT WINAPI systeminfo_GetIDsOfNames(ISystemInformation *iface,
 103                     REFIID riid, LPOLESTR *rgszNames, UINT cNames, LCID lcid,
 104                     DISPID *rgDispId)
 105 {
 106     FIXME("\n");
 107     return E_NOTIMPL;
 108 }
 109
 110 static HRESULT WINAPI systeminfo_Invoke(ISystemInformation *iface,
 111                     DISPID dispIdMember, REFIID riid, LCID lcid, WORD wFlags,
 112                     DISPPARAMS *pDispParams, VARIANT *pVarResult,
 113                     EXCEPINFO *pExcepInfo, UINT *puArgErr )
 114 {
 115     FIXME("\n");
 116     return E_NOTIMPL;
 117 }
 118
 119 static HRESULT WINAPI systeminfo_get_OemHardwareSupportLink(ISystemInformation *iface,
 120                                 BSTR *retval)
 121 {
 122     FIXME("\n");
 123     return E_NOTIMPL;
 124 }
 125
 126 static HRESULT WINAPI systeminfo_get_RebootRequired(ISystemInformation *iface,
 127                                 VARIANT_BOOL *retval)
 128 {
 129     *retval = VARIANT_FALSE;
 130     return S_OK;
 131 }
 132
 133 static const struct ISystemInformationVtbl systeminfo_vtbl =
 134 {
 135     systeminfo_QueryInterface,
 136     systeminfo_AddRef,
 137     systeminfo_Release,
 138     systeminfo_GetTypeInfoCount,
 139     systeminfo_GetTypeInfo,
 140     systeminfo_GetIDsOfNames,
 141     systeminfo_Invoke,
 142     systeminfo_get_OemHardwareSupportLink,
 143     systeminfo_get_RebootRequired
 144 };
 145
 146 HRESULT SystemInformation_create(LPVOID *ppObj)
 147 {
 148     systeminfo *info;
 149
 150     TRACE("(%p)\n", ppObj);
 151
 152     info = HeapAlloc(GetProcessHeap(), 0, sizeof(*info));
 153     if (!info)
 154         return E_OUTOFMEMORY;
 155
 156     info->ISystemInformation_iface.lpVtbl = &systeminfo_vtbl;
 157     info->refs = 1;
 158
 159     *ppObj = &info->ISystemInformation_iface;
 160
 161     TRACE("returning iface %p\n", *ppObj);
 162     return S_OK;
 163 }