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 #include "strmbase_private.h" 22 23 #include <oleauto.h> 24 25 HRESULT WINAPI BaseDispatch_Init(BaseDispatch *This, REFIID riid) 26 { 27 ITypeLib *pTypeLib; 28 HRESULT hr; 29 30 This->pTypeInfo = NULL; 31 hr = LoadRegTypeLib(&LIBID_QuartzTypeLib, 1, 0, LOCALE_SYSTEM_DEFAULT, &pTypeLib); 32 if (SUCCEEDED(hr)) 33 { 34 hr = ITypeLib_GetTypeInfoOfGuid(pTypeLib, riid, &This->pTypeInfo); 35 ITypeLib_Release(pTypeLib); 36 } 37 return hr; 38 } 39 40 HRESULT WINAPI BaseDispatch_Destroy(BaseDispatch *This) 41 { 42 if (This->pTypeInfo) 43 ITypeInfo_Release(This->pTypeInfo); 44 return S_OK; 45 } 46 47 HRESULT WINAPI BaseDispatchImpl_GetIDsOfNames(BaseDispatch *This, REFIID riid, OLECHAR **rgszNames, UINT cNames, LCID lcid, DISPID *rgdispid) 48 { 49 if (This->pTypeInfo) 50 return ITypeInfo_GetIDsOfNames(This->pTypeInfo, rgszNames, cNames, rgdispid); 51 return E_NOTIMPL; 52 } 53 54 HRESULT WINAPI BaseDispatchImpl_GetTypeInfo(BaseDispatch *This, REFIID riid, UINT itinfo, LCID lcid, ITypeInfo **pptinfo) 55 { 56 if (This->pTypeInfo) 57 { 58 ITypeInfo_AddRef(This->pTypeInfo); 59 *pptinfo = This->pTypeInfo; 60 return S_OK; 61 } 62 return E_NOTIMPL; 63 } 64 65 HRESULT WINAPI BaseDispatchImpl_GetTypeInfoCount(BaseDispatch *This, UINT *pctinfo) 66 { 67 if (This->pTypeInfo) 68 *pctinfo = 1; 69 else 70 *pctinfo = 0; 71 return S_OK; 72 } 73