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     FIXME("- no interface\n\tIID:\t%s\n", debugstr_guid(riid));
  42
  43     if (ppobj == NULL) return E_POINTER;
  44
  45     return E_NOINTERFACE;
  46 }
  47
  48 static ULONG WINAPI WBPCI_AddRef(LPPROVIDECLASSINFO iface)
  49 {
  50     SHDOCVW_LockModule();
  51
  52     return 2; /* non-heap based object */
  53 }
  54
  55 static ULONG WINAPI WBPCI_Release(LPPROVIDECLASSINFO iface)
  56 {
  57     SHDOCVW_UnlockModule();
  58
  59     return 1; /* non-heap based object */
  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 const IProvideClassInfoVtbl WBPCI_Vtbl =
  76 {
  77     WBPCI_QueryInterface,
  78     WBPCI_AddRef,
  79     WBPCI_Release,
  80     WBPCI_GetClassInfo
  81 };
  82
  83 IProvideClassInfoImpl SHDOCVW_ProvideClassInfo = { &WBPCI_Vtbl};
  84
  85
  86 /**********************************************************************
  87  * Implement the IProvideClassInfo2 interface (inherits from
  88  * IProvideClassInfo).
  89  */
  90
  91 static HRESULT WINAPI WBPCI2_QueryInterface(LPPROVIDECLASSINFO2 iface,
  92                                             REFIID riid, LPVOID *ppobj)
  93 {
  94     FIXME("- no interface\n\tIID:\t%s\n", debugstr_guid(riid));
  95
  96     if (ppobj == NULL) return E_POINTER;
  97
  98     return E_NOINTERFACE;
  99 }
 100
 101 static ULONG WINAPI WBPCI2_AddRef(LPPROVIDECLASSINFO2 iface)
 102 {
 103     SHDOCVW_LockModule();
 104
 105     return 2; /* non-heap based object */
 106 }
 107
 108 static ULONG WINAPI WBPCI2_Release(LPPROVIDECLASSINFO2 iface)
 109 {
 110     SHDOCVW_UnlockModule();
 111
 112     return 1; /* non-heap based object */
 113 }
 114
 115 /* Return an ITypeInfo interface to retrieve type library info about
 116  * this control.
 117  */
 118 static HRESULT WINAPI WBPCI2_GetClassInfo(LPPROVIDECLASSINFO2 iface, LPTYPEINFO *ppTI)
 119 {
 120     FIXME("stub: LPTYPEINFO = %p\n", *ppTI);
 121     return S_OK;
 122 }
 123
 124 /* Get the IID for generic default event callbacks.  This IID will
 125  * in theory be used to later query for an IConnectionPoint to connect
 126  * an event sink (callback implementation in the OLE control site)
 127  * to this control.
 128 */
 129 static HRESULT WINAPI WBPCI2_GetGUID(LPPROVIDECLASSINFO2 iface,
 130                                      DWORD dwGuidKind, GUID *pGUID)
 131 {
 132     FIXME("stub: dwGuidKind = %ld, pGUID = %s\n", dwGuidKind, debugstr_guid(pGUID));
 133
 134     if (dwGuidKind != GUIDKIND_DEFAULT_SOURCE_DISP_IID)
 135     {
 136         FIXME ("Requested unsupported GUID type: %ld\n", dwGuidKind);
 137         return E_FAIL;  /* Is there a better return type here? */
 138     }
 139
 140     /* FIXME: Returning IPropertyNotifySink interface, but should really
 141      * return a more generic event set (???) dispinterface.
 142      * However, this hack, allows a control site to return with success
 143      * (MFC's COleControlSite falls back to older IProvideClassInfo interface
 144      * if GetGUID() fails to return a non-NULL GUID).
 145      */
 146     memcpy(pGUID, &IID_IPropertyNotifySink, sizeof(GUID));
 147     FIXME("Wrongly returning IPropertyNotifySink interface %s\n",
 148           debugstr_guid(pGUID));
 149
 150     return S_OK;
 151 }
 152
 153 /**********************************************************************
 154  * IProvideClassInfo virtual function table for IE Web Browser component
 155  */
 156
 157 static const IProvideClassInfo2Vtbl WBPCI2_Vtbl =
 158 {
 159     WBPCI2_QueryInterface,
 160     WBPCI2_AddRef,
 161     WBPCI2_Release,
 162     WBPCI2_GetClassInfo,
 163     WBPCI2_GetGUID
 164 };
 165
 166 IProvideClassInfo2Impl SHDOCVW_ProvideClassInfo2 = { &WBPCI2_Vtbl};