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 "config.h"
  25 #include <stdarg.h>
  26
  27 #include "windef.h"
  28 #include "winbase.h"
  29 #include "winuser.h"
  30 #include "ole2.h"
  31 #include "wuapi.h"
  32 #include "wuapi_private.h"
  33
  34 #include "wine/debug.h"
  35
  36 WINE_DEFAULT_DEBUG_CHANNEL(wuapi);
  37
  38 typedef struct _systeminfo
  39 {
  40     ISystemInformation ISystemInformation_iface;
  41     LONG refs;
  42 } systeminfo;
  43
  44 static inline systeminfo *impl_from_ISystemInformation(ISystemInformation *iface)
  45 {
  46     return CONTAINING_RECORD(iface, systeminfo, ISystemInformation_iface);
  47 }
  48
  49 static ULONG WINAPI systeminfo_AddRef(ISystemInformation *iface)
  50 {
  51     systeminfo *This = impl_from_ISystemInformation(iface);
  52     return InterlockedIncrement(&This->refs);
  53 }
  54
  55 static ULONG WINAPI systeminfo_Release(ISystemInformation *iface)
  56 {
  57     systeminfo *This = impl_from_ISystemInformation(iface);
  58     LONG refs = InterlockedDecrement(&This->refs);
  59     if (!refs)
  60     {
  61         TRACE("destroying %p\n", This);
  62         HeapFree(GetProcessHeap(), 0, This);
  63     }
  64     return refs;
  65 }
  66
  67 static HRESULT WINAPI systeminfo_QueryInterface(ISystemInformation *iface,
  68                     REFIID riid, void **ppvObject)
  69 {
  70     systeminfo *This = impl_from_ISystemInformation(iface);
  71
  72     TRACE("%p %s %p\n", This, debugstr_guid(riid), ppvObject);
  73
  74     if (IsEqualGUID(riid, &IID_ISystemInformation) ||
  75         IsEqualGUID(riid, &IID_IDispatch) ||
  76         IsEqualGUID(riid, &IID_IUnknown))
  77     {
  78         *ppvObject = iface;
  79     }
  80     else
  81     {
  82         FIXME("interface %s not implemented\n", debugstr_guid(riid));
  83         return E_NOINTERFACE;
  84     }
  85     ISystemInformation_AddRef(iface);
  86     return S_OK;
  87 }
  88
  89 static HRESULT WINAPI systeminfo_GetTypeInfoCount(ISystemInformation *iface,
  90                     UINT *pctinfo )
  91 {
  92     FIXME("\n");
  93     return E_NOTIMPL;
  94 }
  95
  96 static HRESULT WINAPI systeminfo_GetTypeInfo(ISystemInformation *iface,
  97                     UINT iTInfo, LCID lcid, ITypeInfo **ppTInfo)
  98 {
  99     FIXME("\n");
 100     return E_NOTIMPL;
 101 }
 102
 103 static HRESULT WINAPI systeminfo_GetIDsOfNames(ISystemInformation *iface,
 104                     REFIID riid, LPOLESTR *rgszNames, UINT cNames, LCID lcid,
 105                     DISPID *rgDispId)
 106 {
 107     FIXME("\n");
 108     return E_NOTIMPL;
 109 }
 110
 111 static HRESULT WINAPI systeminfo_Invoke(ISystemInformation *iface,
 112                     DISPID dispIdMember, REFIID riid, LCID lcid, WORD wFlags,
 113                     DISPPARAMS *pDispParams, VARIANT *pVarResult,
 114                     EXCEPINFO *pExcepInfo, UINT *puArgErr )
 115 {
 116     FIXME("\n");
 117     return E_NOTIMPL;
 118 }
 119
 120 static HRESULT WINAPI systeminfo_get_OemHardwareSupportLink(ISystemInformation *iface,
 121                                 BSTR *retval)
 122 {
 123     FIXME("\n");
 124     return E_NOTIMPL;
 125 }
 126
 127 static HRESULT WINAPI systeminfo_get_RebootRequired(ISystemInformation *iface,
 128                                 VARIANT_BOOL *retval)
 129 {
 130     *retval = VARIANT_FALSE;
 131     return S_OK;
 132 }
 133
 134 static const struct ISystemInformationVtbl systeminfo_vtbl =
 135 {
 136     systeminfo_QueryInterface,
 137     systeminfo_AddRef,
 138     systeminfo_Release,
 139     systeminfo_GetTypeInfoCount,
 140     systeminfo_GetTypeInfo,
 141     systeminfo_GetIDsOfNames,
 142     systeminfo_Invoke,
 143     systeminfo_get_OemHardwareSupportLink,
 144     systeminfo_get_RebootRequired
 145 };
 146
 147 HRESULT SystemInformation_create(LPVOID *ppObj)
 148 {
 149     systeminfo *info;
 150
 151     TRACE("(%p)\n", ppObj);
 152
 153     info = HeapAlloc(GetProcessHeap(), 0, sizeof(*info));
 154     if (!info)
 155         return E_OUTOFMEMORY;
 156
 157     info->ISystemInformation_iface.lpVtbl = &systeminfo_vtbl;
 158     info->refs = 1;
 159
 160     *ppObj = &info->ISystemInformation_iface;
 161
 162     TRACE("returning iface %p\n", *ppObj);
 163     return S_OK;
 164 }