dlls/ieframe/classinfo.c

   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 IUnknown_QueryInterface(This->hlink_frame.outer, riid, ppobj);
  41 }
  42
  43 static ULONG WINAPI ProvideClassInfo_AddRef(IProvideClassInfo2 *iface)
  44 {
  45     WebBrowser *This = impl_from_IProvideClassInfo2(iface);
  46     return IUnknown_AddRef(This->hlink_frame.outer);
  47 }
  48
  49 static ULONG WINAPI ProvideClassInfo_Release(IProvideClassInfo2 *iface)
  50 {
  51     WebBrowser *This = impl_from_IProvideClassInfo2(iface);
  52     return IUnknown_Release(This->hlink_frame.outer);
  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)->(%ld %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: %ld\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 }