gdiplus: Avoid not necessary memory allocation for BITMAPINFO.
[wine] / dlls / browseui / aclsource.c
1 /*
2  *      Shell AutoComplete list
3  *
4  *      Copyright 2008  CodeWeavers, Aric Stewart
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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
19  */
20
21 #include "config.h"
22
23 #include <stdarg.h>
24
25 #define COBJMACROS
26
27 #include "wine/debug.h"
28 #include "windef.h"
29 #include "winbase.h"
30 #include "winreg.h"
31 #include "winuser.h"
32 #include "shlwapi.h"
33 #include "winerror.h"
34 #include "objbase.h"
35
36 #include "shlguid.h"
37 #include "shlobj.h"
38
39 #include "wine/unicode.h"
40
41 #include "browseui.h"
42
43 WINE_DEFAULT_DEBUG_CHANNEL(browseui);
44
45 typedef struct tagACLMulti {
46     IACList2 IACList2_iface;
47     LONG refCount;
48     DWORD dwOptions;
49 } ACLShellSource;
50
51 static inline ACLShellSource *impl_from_IACList2(IACList2 *iface)
52 {
53     return CONTAINING_RECORD(iface, ACLShellSource, IACList2_iface);
54 }
55
56 static void ACLShellSource_Destructor(ACLShellSource *This)
57 {
58     TRACE("destroying %p\n", This);
59     heap_free(This);
60 }
61
62 static HRESULT WINAPI ACLShellSource_QueryInterface(IACList2 *iface, REFIID iid, LPVOID *ppvOut)
63 {
64     ACLShellSource *This = impl_from_IACList2(iface);
65     *ppvOut = NULL;
66
67     if (IsEqualIID(iid, &IID_IUnknown) || IsEqualIID(iid, &IID_IACList2) ||
68         IsEqualIID(iid, &IID_IACList))
69     {
70         *ppvOut = This;
71     }
72
73     if (*ppvOut)
74     {
75         IACList2_AddRef(iface);
76         return S_OK;
77     }
78
79     WARN("unsupported interface: %s\n", debugstr_guid(iid));
80     return E_NOINTERFACE;
81 }
82
83 static ULONG WINAPI ACLShellSource_AddRef(IACList2 *iface)
84 {
85     ACLShellSource *This = impl_from_IACList2(iface);
86     return InterlockedIncrement(&This->refCount);
87 }
88
89 static ULONG WINAPI ACLShellSource_Release(IACList2 *iface)
90 {
91     ACLShellSource *This = impl_from_IACList2(iface);
92     ULONG ret;
93
94     ret = InterlockedDecrement(&This->refCount);
95     if (ret == 0)
96         ACLShellSource_Destructor(This);
97     return ret;
98 }
99
100 static HRESULT WINAPI ACLShellSource_Expand(IACList2 *iface, LPCWSTR wstr)
101 {
102     ACLShellSource *This = impl_from_IACList2(iface);
103     FIXME("STUB:(%p) %s\n",This,debugstr_w(wstr));
104     return E_NOTIMPL;
105 }
106
107
108 static HRESULT WINAPI ACLShellSource_GetOptions(IACList2 *iface,
109     DWORD *pdwFlag)
110 {
111     ACLShellSource *This = impl_from_IACList2(iface);
112     *pdwFlag = This->dwOptions;
113     return S_OK;
114 }
115
116 static HRESULT WINAPI ACLShellSource_SetOptions(IACList2 *iface,
117     DWORD dwFlag)
118 {
119     ACLShellSource *This = impl_from_IACList2(iface);
120     This->dwOptions = dwFlag;
121     return S_OK;
122 }
123
124 static const IACList2Vtbl ACLMulti_ACList2Vtbl =
125 {
126     ACLShellSource_QueryInterface,
127     ACLShellSource_AddRef,
128     ACLShellSource_Release,
129
130     ACLShellSource_Expand,
131
132     ACLShellSource_SetOptions,
133     ACLShellSource_GetOptions
134 };
135
136 HRESULT ACLShellSource_Constructor(IUnknown *pUnkOuter, IUnknown **ppOut)
137 {
138     ACLShellSource *This;
139     if (pUnkOuter)
140         return CLASS_E_NOAGGREGATION;
141
142     This = heap_alloc_zero(sizeof(ACLShellSource));
143     if (This == NULL)
144         return E_OUTOFMEMORY;
145
146     This->IACList2_iface.lpVtbl = &ACLMulti_ACList2Vtbl;
147     This->refCount = 1;
148
149     TRACE("returning %p\n", This);
150     *ppOut = (IUnknown *)This;
151     return S_OK;
152 }