dlls/shdocvw/classinfo.c

   1 /*
   2  * Implementation of IProvideClassInfo interfaces for IE Web Browser 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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19  */
  20
  21 #include <stdarg.h>
  22 #include <string.h>
  23
  24 #include "windef.h"
  25 #include "winbase.h"
  26 #include "shdocvw.h"
  27 #include "wine/debug.h"
  28
  29 WINE_DEFAULT_DEBUG_CHANNEL(shdocvw);
  30
  31 /**********************************************************************
  32  * Implement the IProvideClassInfo interface
  33  *
  34  * FIXME: Should we just pass in the IProvideClassInfo2 methods rather
  35  *        reimplementing them here?
  36  */
  37
  38 static HRESULT WINAPI WBPCI_QueryInterface(LPPROVIDECLASSINFO iface,
  39                                            REFIID riid, LPVOID *ppobj)
  40 {
  41     IProvideClassInfoImpl *This = (IProvideClassInfoImpl *)iface;
  42
  43     FIXME("(%p)->(%s,%p),stub!\n", This, debugstr_guid(riid), ppobj);
  44     return E_NOINTERFACE;
  45 }
  46
  47 static ULONG WINAPI WBPCI_AddRef(LPPROVIDECLASSINFO iface)
  48 {
  49     IProvideClassInfoImpl *This = (IProvideClassInfoImpl *)iface;
  50
  51     TRACE("\n");
  52     return ++(This->ref);
  53 }
  54
  55 static ULONG WINAPI WBPCI_Release(LPPROVIDECLASSINFO iface)
  56 {
  57     IProvideClassInfoImpl *This = (IProvideClassInfoImpl *)iface;
  58
  59     /* static class, won't be freed */
  60     TRACE("\n");
  61     return --(This->ref);
  62 }
  63
  64 /* Return an ITypeInfo interface to retrieve type library info about
  65  * this control.
  66  */
  67 static HRESULT WINAPI WBPCI_GetClassInfo(LPPROVIDECLASSINFO iface, LPTYPEINFO *ppTI)
  68 {
  69     FIXME("stub: LPTYPEINFO = %p\n", *ppTI);
  70     return S_OK;
  71 }
  72
  73 /**********************************************************************
  74  * IProvideClassInfo virtual function table for IE Web Browser component
  75  */
  76
  77 static IProvideClassInfoVtbl WBPCI_Vtbl =
  78 {
  79     WBPCI_QueryInterface,
  80     WBPCI_AddRef,
  81     WBPCI_Release,
  82     WBPCI_GetClassInfo
  83 };
  84
  85 IProvideClassInfoImpl SHDOCVW_ProvideClassInfo = { &WBPCI_Vtbl, 1 };
  86
  87
  88 /**********************************************************************
  89  * Implement the IProvideClassInfo2 interface (inherits from
  90  * IProvideClassInfo).
  91  */
  92
  93 static HRESULT WINAPI WBPCI2_QueryInterface(LPPROVIDECLASSINFO2 iface,
  94                                             REFIID riid, LPVOID *ppobj)
  95 {
  96     IProvideClassInfo2Impl *This = (IProvideClassInfo2Impl *)iface;
  97
  98     FIXME("(%p)->(%s,%p),stub!\n", This, debugstr_guid(riid), ppobj);
  99     return E_NOINTERFACE;
 100 }
 101
 102 static ULONG WINAPI WBPCI2_AddRef(LPPROVIDECLASSINFO2 iface)
 103 {
 104     IProvideClassInfo2Impl *This = (IProvideClassInfo2Impl *)iface;
 105
 106     TRACE("\n");
 107     return ++(This->ref);
 108 }
 109
 110 static ULONG WINAPI WBPCI2_Release(LPPROVIDECLASSINFO2 iface)
 111 {
 112     IProvideClassInfo2Impl *This = (IProvideClassInfo2Impl *)iface;
 113
 114     /* static class, won't be freed */
 115     TRACE("\n");
 116     return --(This->ref);
 117 }
 118
 119 /* Return an ITypeInfo interface to retrieve type library info about
 120  * this control.
 121  */
 122 static HRESULT WINAPI WBPCI2_GetClassInfo(LPPROVIDECLASSINFO2 iface, LPTYPEINFO *ppTI)
 123 {
 124     FIXME("stub: LPTYPEINFO = %p\n", *ppTI);
 125     return S_OK;
 126 }
 127
 128 /* Get the IID for generic default event callbacks.  This IID will
 129  * in theory be used to later query for an IConnectionPoint to connect
 130  * an event sink (callback implementation in the OLE control site)
 131  * to this control.
 132 */
 133 static HRESULT WINAPI WBPCI2_GetGUID(LPPROVIDECLASSINFO2 iface,
 134                                      DWORD dwGuidKind, GUID *pGUID)
 135 {
 136     FIXME("stub: dwGuidKind = %ld, pGUID = %s\n", dwGuidKind, debugstr_guid(pGUID));
 137
 138     if (dwGuidKind != GUIDKIND_DEFAULT_SOURCE_DISP_IID)
 139     {
 140         FIXME ("Requested unsupported GUID type: %ld\n", dwGuidKind);
 141         return E_FAIL;  /* Is there a better return type here? */
 142     }
 143
 144     /* FIXME: Returning IPropertyNotifySink interface, but should really
 145      * return a more generic event set (???) dispinterface.
 146      * However, this hack, allows a control site to return with success
 147      * (MFC's COleControlSite falls back to older IProvideClassInfo interface
 148      * if GetGUID() fails to return a non-NULL GUID).
 149      */
 150     memcpy(pGUID, &IID_IPropertyNotifySink, sizeof(GUID));
 151     FIXME("Wrongly returning IPropertyNotifySink interface %s\n",
 152           debugstr_guid(pGUID));
 153
 154     return S_OK;
 155 }
 156
 157 /**********************************************************************
 158  * IProvideClassInfo virtual function table for IE Web Browser component
 159  */
 160
 161 static IProvideClassInfo2Vtbl WBPCI2_Vtbl =
 162 {
 163     WBPCI2_QueryInterface,
 164     WBPCI2_AddRef,
 165     WBPCI2_Release,
 166     WBPCI2_GetClassInfo,
 167     WBPCI2_GetGUID
 168 };
 169
 170 IProvideClassInfo2Impl SHDOCVW_ProvideClassInfo2 = { &WBPCI2_Vtbl, 1 };