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