ReactOS  0.4.15-dev-494-g1d8c567
dispatch.c
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1 /*
2  * Generic Implementation of IDispatch for strmbase classes
3  *
4  * Copyright 2012 Aric Stewart, 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 #define COBJMACROS
22 
23 #include "dshow.h"
24 #include "wine/unicode.h"
25 #include "wine/strmbase.h"
26 #include "uuids.h"
27 #include "vfwmsgs.h"
28 #include <assert.h>
29 
31 {
32  ITypeLib *pTypeLib;
33  HRESULT hr;
34 
35  This->pTypeInfo = NULL;
36  hr = LoadRegTypeLib(&LIBID_QuartzTypeLib, 1, 0, LOCALE_SYSTEM_DEFAULT, &pTypeLib);
37  if (SUCCEEDED(hr))
38  {
39  hr = ITypeLib_GetTypeInfoOfGuid(pTypeLib, riid, &This->pTypeInfo);
40  ITypeLib_Release(pTypeLib);
41  }
42  return hr;
43 }
44 
46 {
47  if (This->pTypeInfo)
48  ITypeInfo_Release(This->pTypeInfo);
49  return S_OK;
50 }
51 
53 {
54  if (This->pTypeInfo)
55  return ITypeInfo_GetIDsOfNames(This->pTypeInfo, rgszNames, cNames, rgdispid);
56  return E_NOTIMPL;
57 }
58 
60 {
61  if (This->pTypeInfo)
62  {
63  ITypeInfo_AddRef(This->pTypeInfo);
64  *pptinfo = This->pTypeInfo;
65  return S_OK;
66  }
67  return E_NOTIMPL;
68 }
69 
71 {
72  if (This->pTypeInfo)
73  *pctinfo = 1;
74  else
75  *pctinfo = 0;
76  return S_OK;
77 }
WCHAR OLECHAR
Definition: compat.h:1942
#define REFIID
Definition: guiddef.h:118
HRESULT hr
Definition: shlfolder.c:183
REFIID riid
Definition: precomp.h:44
HRESULT WINAPI BaseDispatchImpl_GetIDsOfNames(BaseDispatch *This, REFIID riid, OLECHAR **rgszNames, UINT cNames, LCID lcid, DISPID *rgdispid)
Definition: dispatch.c:52
DWORD LCID
Definition: nls.h:13
HRESULT WINAPI BaseDispatchImpl_GetTypeInfo(BaseDispatch *This, REFIID riid, UINT itinfo, LCID lcid, ITypeInfo **pptinfo)
Definition: dispatch.c:59
smooth NULL
Definition: ftsmooth.c:416
LONG HRESULT
Definition: typedefs.h:78
#define WINAPI
Definition: msvc.h:6
#define LOCALE_SYSTEM_DEFAULT
HRESULT WINAPI BaseDispatch_Destroy(BaseDispatch *This)
Definition: dispatch.c:45
static VARIANTARG static DISPID
Definition: ordinal.c:49
#define S_OK
Definition: intsafe.h:59
HRESULT WINAPI BaseDispatchImpl_GetTypeInfoCount(BaseDispatch *This, UINT *pctinfo)
Definition: dispatch.c:70
HRESULT WINAPI LoadRegTypeLib(REFGUID rguid, WORD wVerMajor, WORD wVerMinor, LCID lcid, ITypeLib **ppTLib)
Definition: typelib.c:531
HRESULT WINAPI BaseDispatch_Init(BaseDispatch *This, REFIID riid)
Definition: dispatch.c:30
#define E_NOTIMPL
Definition: ddrawi.h:99
unsigned int UINT
Definition: ndis.h:50
#define SUCCEEDED(hr)
Definition: intsafe.h:57