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