xref: /reactos/dll/win32/wuapi/systeminfo.c (revision bd712186)
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 }
164