dlls/shdocvw/classinfo.c

   1 /*
   2  * Implementation of IProvideClassInfo interfaces for IE Web Browser control
   3  *
   4  * 2001 John R. Sheets (for CodeWeavers)
   5  */
   6
   7 #include <string.h>
   8 #include "debugtools.h"
   9 #include "shdocvw.h"
  10
  11 DEFAULT_DEBUG_CHANNEL(shdocvw);
  12
  13 /**********************************************************************
  14  * Implement the IProvideClassInfo interface
  15  *
  16  * FIXME: Should we just pass in the IProvideClassInfo2 methods rather
  17  *        reimplementing them here?
  18  */
  19
  20 static HRESULT WINAPI WBPCI_QueryInterface(LPPROVIDECLASSINFO iface,
  21                                            REFIID riid, LPVOID *ppobj)
  22 {
  23     ICOM_THIS(IProvideClassInfoImpl, iface);
  24
  25     FIXME("(%p)->(%s,%p),stub!\n", This, debugstr_guid(riid), ppobj);
  26     return E_NOINTERFACE;
  27 }
  28
  29 static ULONG WINAPI WBPCI_AddRef(LPPROVIDECLASSINFO iface)
  30 {
  31     ICOM_THIS(IProvideClassInfoImpl, iface);
  32
  33     TRACE("\n");
  34     return ++(This->ref);
  35 }
  36
  37 static ULONG WINAPI WBPCI_Release(LPPROVIDECLASSINFO iface)
  38 {
  39     ICOM_THIS(IProvideClassInfoImpl, iface);
  40
  41     /* static class, won't be freed */
  42     TRACE("\n");
  43     return --(This->ref);
  44 }
  45
  46 /* Return an ITypeInfo interface to retrieve type library info about
  47  * this control.
  48  */
  49 static HRESULT WINAPI WBPCI_GetClassInfo(LPPROVIDECLASSINFO iface, LPTYPEINFO *ppTI)
  50 {
  51     FIXME("stub: LPTYPEINFO = %p\n", *ppTI);
  52     return S_OK;
  53 }
  54
  55 /**********************************************************************
  56  * IProvideClassInfo virtual function table for IE Web Browser component
  57  */
  58
  59 static ICOM_VTABLE(IProvideClassInfo) WBPCI_Vtbl =
  60 {
  61     ICOM_MSVTABLE_COMPAT_DummyRTTIVALUE
  62     WBPCI_QueryInterface,
  63     WBPCI_AddRef,
  64     WBPCI_Release,
  65     WBPCI_GetClassInfo
  66 };
  67
  68 IProvideClassInfoImpl SHDOCVW_ProvideClassInfo = { &WBPCI_Vtbl, 1 };
  69
  70
  71 /**********************************************************************
  72  * Implement the IProvideClassInfo2 interface (inherits from
  73  * IProvideClassInfo).
  74  */
  75
  76 static HRESULT WINAPI WBPCI2_QueryInterface(LPPROVIDECLASSINFO2 iface,
  77                                             REFIID riid, LPVOID *ppobj)
  78 {
  79     ICOM_THIS(IProvideClassInfo2Impl, iface);
  80
  81     FIXME("(%p)->(%s,%p),stub!\n", This, debugstr_guid(riid), ppobj);
  82     return E_NOINTERFACE;
  83 }
  84
  85 static ULONG WINAPI WBPCI2_AddRef(LPPROVIDECLASSINFO2 iface)
  86 {
  87     ICOM_THIS(IProvideClassInfo2Impl, iface);
  88
  89     TRACE("\n");
  90     return ++(This->ref);
  91 }
  92
  93 static ULONG WINAPI WBPCI2_Release(LPPROVIDECLASSINFO2 iface)
  94 {
  95     ICOM_THIS(IProvideClassInfo2Impl, iface);
  96
  97     /* static class, won't be freed */
  98     TRACE("\n");
  99     return --(This->ref);
 100 }
 101
 102 /* Return an ITypeInfo interface to retrieve type library info about
 103  * this control.
 104  */
 105 static HRESULT WINAPI WBPCI2_GetClassInfo(LPPROVIDECLASSINFO2 iface, LPTYPEINFO *ppTI)
 106 {
 107     FIXME("stub: LPTYPEINFO = %p\n", *ppTI);
 108     return S_OK;
 109 }
 110
 111 /* Get the IID for generic default event callbacks.  This IID will
 112  * in theory be used to later query for an IConnectionPoint to connect
 113  * an event sink (callback implmentation in the OLE control site)
 114  * to this control.
 115 */
 116 static HRESULT WINAPI WBPCI2_GetGUID(LPPROVIDECLASSINFO2 iface,
 117                                      DWORD dwGuidKind, GUID *pGUID)
 118 {
 119     FIXME("stub: dwGuidKind = %ld, pGUID = %s\n", dwGuidKind, debugstr_guid(pGUID));
 120
 121     if (dwGuidKind != GUIDKIND_DEFAULT_SOURCE_DISP_IID)
 122     {
 123         FIXME ("Requested unsupported GUID type: %ld\n", dwGuidKind);
 124         return E_FAIL;  /* Is there a better return type here? */
 125     }
 126
 127     /* FIXME: Returning IPropertyNotifySink interface, but should really
 128      * return a more generic event set (???) dispinterface.
 129      * However, this hack, allows a control site to return with success
 130      * (MFC's COleControlSite falls back to older IProvideClassInfo interface
 131      * if GetGUID() fails to return a non-NULL GUID).
 132      */
 133     memcpy(pGUID, &IID_IPropertyNotifySink, sizeof(GUID));
 134     FIXME("Wrongly returning IPropertyNotifySink interface %s\n",
 135           debugstr_guid(pGUID));
 136
 137     return S_OK;
 138 }
 139
 140 /**********************************************************************
 141  * IProvideClassInfo virtual function table for IE Web Browser component
 142  */
 143
 144 static ICOM_VTABLE(IProvideClassInfo2) WBPCI2_Vtbl =
 145 {
 146     ICOM_MSVTABLE_COMPAT_DummyRTTIVALUE
 147     WBPCI2_QueryInterface,
 148     WBPCI2_AddRef,
 149     WBPCI2_Release,
 150     WBPCI2_GetClassInfo,
 151     WBPCI2_GetGUID
 152 };
 153
 154 IProvideClassInfo2Impl SHDOCVW_ProvideClassInfo2 = { &WBPCI2_Vtbl, 1 };