dlls/shdocvw/events.c

   1 /*
   2  * Implementation of event-related interfaces for IE Web Browser control:
   3  *
   4  *  - IConnectionPointContainer
   5  *  - IConnectionPoint
   6  *
   7  * 2001 John R. Sheets (for CodeWeavers)
   8  */
   9
  10 #include <string.h>
  11 #include "debugtools.h"
  12 #include "shdocvw.h"
  13
  14 DEFAULT_DEBUG_CHANNEL(shdocvw);
  15
  16
  17 /**********************************************************************
  18  * Implement the IConnectionPointContainer interface
  19  */
  20
  21 static HRESULT WINAPI WBCPC_QueryInterface(LPCONNECTIONPOINTCONTAINER iface,
  22                                            REFIID riid, LPVOID *ppobj)
  23 {
  24     ICOM_THIS(IConnectionPointContainerImpl, iface);
  25
  26     FIXME("(%p)->(%s,%p),stub!\n", This, debugstr_guid(riid), ppobj);
  27     return E_NOINTERFACE;
  28 }
  29
  30 static ULONG WINAPI WBCPC_AddRef(LPCONNECTIONPOINTCONTAINER iface)
  31 {
  32     ICOM_THIS(IConnectionPointContainerImpl, iface);
  33
  34     TRACE("\n");
  35     return ++(This->ref);
  36 }
  37
  38 static ULONG WINAPI WBCPC_Release(LPCONNECTIONPOINTCONTAINER iface)
  39 {
  40     ICOM_THIS(IConnectionPointContainerImpl, iface);
  41
  42     /* static class, won't be freed */
  43     TRACE("\n");
  44     return --(This->ref);
  45 }
  46
  47 /* Get a list of connection points inside this container. */
  48 static HRESULT WINAPI WBCPC_EnumConnectionPoints(LPCONNECTIONPOINTCONTAINER iface,
  49                                                  LPENUMCONNECTIONPOINTS *ppEnum)
  50 {
  51     FIXME("stub: IEnumConnectionPoints = %p\n", *ppEnum);
  52     return S_OK;
  53 }
  54
  55 /* Retrieve the connection point in this container associated with the
  56  * riid interface.  When events occur in the control, the control can
  57  * call backwards into its embedding site, through these interfaces.
  58  */
  59 static HRESULT WINAPI WBCPC_FindConnectionPoint(LPCONNECTIONPOINTCONTAINER iface,
  60                                                 REFIID riid, LPCONNECTIONPOINT *ppCP)
  61 {
  62     TRACE(": IID = %s, IConnectionPoint = %p\n", debugstr_guid(riid), *ppCP);
  63
  64     /* For now, return the same IConnectionPoint object for both
  65      * event interface requests.
  66      */
  67     if (IsEqualGUID (&IID_INotifyDBEvents, riid))
  68     {
  69         TRACE("Returning connection point %p for IID_INotifyDBEvents\n",
  70               &SHDOCVW_ConnectionPoint);
  71         *ppCP = (LPCONNECTIONPOINT)&SHDOCVW_ConnectionPoint;
  72         return S_OK;
  73     }
  74     else if (IsEqualGUID (&IID_IPropertyNotifySink, riid))
  75     {
  76         TRACE("Returning connection point %p for IID_IPropertyNotifySink\n",
  77               &SHDOCVW_ConnectionPoint);
  78         *ppCP = (LPCONNECTIONPOINT)&SHDOCVW_ConnectionPoint;
  79         return S_OK;
  80     }
  81
  82     return E_FAIL;
  83 }
  84
  85 /**********************************************************************
  86  * IConnectionPointContainer virtual function table for IE Web Browser component
  87  */
  88
  89 static ICOM_VTABLE(IConnectionPointContainer) WBCPC_Vtbl =
  90 {
  91     ICOM_MSVTABLE_COMPAT_DummyRTTIVALUE
  92     WBCPC_QueryInterface,
  93     WBCPC_AddRef,
  94     WBCPC_Release,
  95     WBCPC_EnumConnectionPoints,
  96     WBCPC_FindConnectionPoint
  97 };
  98
  99 IConnectionPointContainerImpl SHDOCVW_ConnectionPointContainer = { &WBCPC_Vtbl, 1 };
 100
 101
 102 /**********************************************************************
 103  * Implement the IConnectionPoint interface
 104  */
 105
 106 static HRESULT WINAPI WBCP_QueryInterface(LPCONNECTIONPOINT iface,
 107                                           REFIID riid, LPVOID *ppobj)
 108 {
 109     ICOM_THIS(IConnectionPointImpl, iface);
 110
 111     FIXME("(%p)->(%s,%p),stub!\n", This, debugstr_guid(riid), ppobj);
 112     return E_NOINTERFACE;
 113 }
 114
 115 static ULONG WINAPI WBCP_AddRef(LPCONNECTIONPOINT iface)
 116 {
 117     ICOM_THIS(IConnectionPointImpl, iface);
 118
 119     TRACE("\n");
 120     return ++(This->ref);
 121 }
 122
 123 static ULONG WINAPI WBCP_Release(LPCONNECTIONPOINT iface)
 124 {
 125     ICOM_THIS(IConnectionPointImpl, iface);
 126
 127     /* static class, won't be freed */
 128     TRACE("\n");
 129     return --(This->ref);
 130 }
 131
 132 static HRESULT WINAPI WBCP_GetConnectionInterface(LPCONNECTIONPOINT iface, IID* pIId)
 133 {
 134     FIXME("stub: %s\n", debugstr_guid(pIId));
 135     return S_OK;
 136 }
 137
 138 /* Get this connection point's owning container */
 139 static HRESULT WINAPI
 140 WBCP_GetConnectionPointContainer(LPCONNECTIONPOINT iface,
 141                                  LPCONNECTIONPOINTCONTAINER *ppCPC)
 142 {
 143     FIXME("stub: IConnectionPointContainer = %p\n", *ppCPC);
 144     return S_OK;
 145 }
 146
 147 /* Connect the pUnkSink event-handling implementation (in the control site)
 148  * to this connection point.  Return a handle to this connection in
 149  * pdwCookie (for later use in Unadvise()).
 150  */
 151 static HRESULT WINAPI WBCP_Advise(LPCONNECTIONPOINT iface,
 152                                   LPUNKNOWN pUnkSink, DWORD *pdwCookie)
 153 {
 154     static int new_cookie;
 155
 156     FIXME("stub: IUnknown = %p, connection cookie = %ld\n", pUnkSink, *pdwCookie);
 157
 158     *pdwCookie = ++new_cookie;
 159     TRACE ("Returning cookie = %ld\n", *pdwCookie);
 160
 161     return S_OK;
 162 }
 163
 164 /* Disconnect this implementation from the connection point. */
 165 static HRESULT WINAPI WBCP_Unadvise(LPCONNECTIONPOINT iface,
 166                                     DWORD dwCookie)
 167 {
 168     FIXME("stub: cookie to disconnect = %ld\n", dwCookie);
 169     return S_OK;
 170 }
 171
 172 /* Get a list of connections in this connection point. */
 173 static HRESULT WINAPI WBCP_EnumConnections(LPCONNECTIONPOINT iface,
 174                                            LPENUMCONNECTIONS *ppEnum)
 175 {
 176     FIXME("stub: IEnumConnections = %p\n", *ppEnum);
 177     return S_OK;
 178 }
 179
 180 /**********************************************************************
 181  * IConnectionPoint virtual function table for IE Web Browser component
 182  */
 183
 184 static ICOM_VTABLE(IConnectionPoint) WBCP_Vtbl =
 185 {
 186     ICOM_MSVTABLE_COMPAT_DummyRTTIVALUE
 187     WBCP_QueryInterface,
 188     WBCP_AddRef,
 189     WBCP_Release,
 190     WBCP_GetConnectionInterface,
 191     WBCP_GetConnectionPointContainer,
 192     WBCP_Advise,
 193     WBCP_Unadvise,
 194     WBCP_EnumConnections
 195 };
 196
 197 IConnectionPointImpl SHDOCVW_ConnectionPoint = { &WBCP_Vtbl, 1 };