xref: /reactos/dll/win32/ieframe/classinfo.c (revision 845faec4)
1 /*
2  * Implementation of IProvideClassInfo interfaces for WebBrowser control
3  *
4  * Copyright 2001 John R. Sheets (for CodeWeavers)
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 "ieframe.h"
22 
23 #include "wine/debug.h"
24 
25 WINE_DEFAULT_DEBUG_CHANNEL(ieframe);
26 
27 /**********************************************************************
28  * Implement the IProvideClassInfo2 interface
29  */
30 
31 static inline WebBrowser *impl_from_IProvideClassInfo2(IProvideClassInfo2 *iface)
32 {
33     return CONTAINING_RECORD(iface, WebBrowser, IProvideClassInfo2_iface);
34 }
35 
36 static HRESULT WINAPI ProvideClassInfo_QueryInterface(IProvideClassInfo2 *iface,
37         REFIID riid, LPVOID *ppobj)
38 {
39     WebBrowser *This = impl_from_IProvideClassInfo2(iface);
40     return IWebBrowser2_QueryInterface(&This->IWebBrowser2_iface, riid, ppobj);
41 }
42 
43 static ULONG WINAPI ProvideClassInfo_AddRef(IProvideClassInfo2 *iface)
44 {
45     WebBrowser *This = impl_from_IProvideClassInfo2(iface);
46     return IWebBrowser2_AddRef(&This->IWebBrowser2_iface);
47 }
48 
49 static ULONG WINAPI ProvideClassInfo_Release(IProvideClassInfo2 *iface)
50 {
51     WebBrowser *This = impl_from_IProvideClassInfo2(iface);
52     return IWebBrowser2_Release(&This->IWebBrowser2_iface);
53 }
54 
55 static HRESULT WINAPI ProvideClassInfo_GetClassInfo(IProvideClassInfo2 *iface, ITypeInfo **ppTI)
56 {
57     WebBrowser *This = impl_from_IProvideClassInfo2(iface);
58     HRESULT hres;
59 
60     TRACE("(%p)->(%p)\n", This, ppTI);
61 
62     hres = get_typeinfo(This->version > 1 ? WebBrowser_tid : WebBrowser_V1_tid, ppTI);
63     if(FAILED(hres))
64         return hres;
65 
66     ITypeInfo_AddRef(*ppTI);
67     return S_OK;
68 }
69 
70 static HRESULT WINAPI ProvideClassInfo_GetGUID(IProvideClassInfo2 *iface,
71         DWORD dwGuidKind, GUID *pGUID)
72 {
73     WebBrowser *This = impl_from_IProvideClassInfo2(iface);
74 
75     TRACE("(%p)->(%d %p)\n", This, dwGuidKind, pGUID);
76 
77     if(!pGUID)
78         return E_POINTER;
79 
80     if (dwGuidKind != GUIDKIND_DEFAULT_SOURCE_DISP_IID) {
81         WARN("Wrong GUID type: %d\n", dwGuidKind);
82         *pGUID = IID_NULL;
83         return E_FAIL;
84     }
85 
86     memcpy(pGUID, This->version == 1 ? &DIID_DWebBrowserEvents : &DIID_DWebBrowserEvents2,
87            sizeof(GUID));
88     return S_OK;
89 }
90 
91 static const IProvideClassInfo2Vtbl ProvideClassInfoVtbl =
92 {
93     ProvideClassInfo_QueryInterface,
94     ProvideClassInfo_AddRef,
95     ProvideClassInfo_Release,
96     ProvideClassInfo_GetClassInfo,
97     ProvideClassInfo_GetGUID
98 };
99 
100 void WebBrowser_ClassInfo_Init(WebBrowser *This)
101 {
102     This->IProvideClassInfo2_iface.lpVtbl = &ProvideClassInfoVtbl;
103 }
104