dlls/shdocvw/events.c

   1 /*
   2  * Implementation of event-related interfaces for IE Web Browser control:
   3  *
   4  *  - IConnectionPointContainer
   5  *  - IConnectionPoint
   6  *
   7  * Copyright 2001 John R. Sheets (for CodeWeavers)
   8  *
   9  * This library is free software; you can redistribute it and/or
  10  * modify it under the terms of the GNU Lesser General Public
  11  * License as published by the Free Software Foundation; either
  12  * version 2.1 of the License, or (at your option) any later version.
  13  *
  14  * This library is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  17  * Lesser General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU Lesser General Public
  20  * License along with this library; if not, write to the Free Software
  21  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  22  */
  23
  24 #include <string.h>
  25 #include "wine/debug.h"
  26 #include "shdocvw.h"
  27
  28 WINE_DEFAULT_DEBUG_CHANNEL(shdocvw);
  29
  30
  31 /**********************************************************************
  32  * Implement the IConnectionPointContainer interface
  33  */
  34
  35 static HRESULT WINAPI WBCPC_QueryInterface(LPCONNECTIONPOINTCONTAINER iface,
  36                                            REFIID riid, LPVOID *ppobj)
  37 {
  38     ICOM_THIS(IConnectionPointContainerImpl, iface);
  39
  40     FIXME("(%p)->(%s,%p),stub!\n", This, debugstr_guid(riid), ppobj);
  41     return E_NOINTERFACE;
  42 }
  43
  44 static ULONG WINAPI WBCPC_AddRef(LPCONNECTIONPOINTCONTAINER iface)
  45 {
  46     ICOM_THIS(IConnectionPointContainerImpl, iface);
  47
  48     TRACE("\n");
  49     return ++(This->ref);
  50 }
  51
  52 static ULONG WINAPI WBCPC_Release(LPCONNECTIONPOINTCONTAINER iface)
  53 {
  54     ICOM_THIS(IConnectionPointContainerImpl, iface);
  55
  56     /* static class, won't be freed */
  57     TRACE("\n");
  58     return --(This->ref);
  59 }
  60
  61 /* Get a list of connection points inside this container. */
  62 static HRESULT WINAPI WBCPC_EnumConnectionPoints(LPCONNECTIONPOINTCONTAINER iface,
  63                                                  LPENUMCONNECTIONPOINTS *ppEnum)
  64 {
  65     FIXME("stub: IEnumConnectionPoints = %p\n", *ppEnum);
  66     return S_OK;
  67 }
  68
  69 /* Retrieve the connection point in this container associated with the
  70  * riid interface.  When events occur in the control, the control can
  71  * call backwards into its embedding site, through these interfaces.
  72  */
  73 static HRESULT WINAPI WBCPC_FindConnectionPoint(LPCONNECTIONPOINTCONTAINER iface,
  74                                                 REFIID riid, LPCONNECTIONPOINT *ppCP)
  75 {
  76     TRACE(": IID = %s, IConnectionPoint = %p\n", debugstr_guid(riid), *ppCP);
  77
  78     /* For now, return the same IConnectionPoint object for both
  79      * event interface requests.
  80      */
  81     if (IsEqualGUID (&IID_INotifyDBEvents, riid))
  82     {
  83         TRACE("Returning connection point %p for IID_INotifyDBEvents\n",
  84               &SHDOCVW_ConnectionPoint);
  85         *ppCP = (LPCONNECTIONPOINT)&SHDOCVW_ConnectionPoint;
  86         return S_OK;
  87     }
  88     else if (IsEqualGUID (&IID_IPropertyNotifySink, riid))
  89     {
  90         TRACE("Returning connection point %p for IID_IPropertyNotifySink\n",
  91               &SHDOCVW_ConnectionPoint);
  92         *ppCP = (LPCONNECTIONPOINT)&SHDOCVW_ConnectionPoint;
  93         return S_OK;
  94     }
  95
  96     return E_FAIL;
  97 }
  98
  99 /**********************************************************************
 100  * IConnectionPointContainer virtual function table for IE Web Browser component
 101  */
 102
 103 static ICOM_VTABLE(IConnectionPointContainer) WBCPC_Vtbl =
 104 {
 105     ICOM_MSVTABLE_COMPAT_DummyRTTIVALUE
 106     WBCPC_QueryInterface,
 107     WBCPC_AddRef,
 108     WBCPC_Release,
 109     WBCPC_EnumConnectionPoints,
 110     WBCPC_FindConnectionPoint
 111 };
 112
 113 IConnectionPointContainerImpl SHDOCVW_ConnectionPointContainer = { &WBCPC_Vtbl, 1 };
 114
 115
 116 /**********************************************************************
 117  * Implement the IConnectionPoint interface
 118  */
 119
 120 static HRESULT WINAPI WBCP_QueryInterface(LPCONNECTIONPOINT iface,
 121                                           REFIID riid, LPVOID *ppobj)
 122 {
 123     ICOM_THIS(IConnectionPointImpl, iface);
 124
 125     FIXME("(%p)->(%s,%p),stub!\n", This, debugstr_guid(riid), ppobj);
 126     return E_NOINTERFACE;
 127 }
 128
 129 static ULONG WINAPI WBCP_AddRef(LPCONNECTIONPOINT iface)
 130 {
 131     ICOM_THIS(IConnectionPointImpl, iface);
 132
 133     TRACE("\n");
 134     return ++(This->ref);
 135 }
 136
 137 static ULONG WINAPI WBCP_Release(LPCONNECTIONPOINT iface)
 138 {
 139     ICOM_THIS(IConnectionPointImpl, iface);
 140
 141     /* static class, won't be freed */
 142     TRACE("\n");
 143     return --(This->ref);
 144 }
 145
 146 static HRESULT WINAPI WBCP_GetConnectionInterface(LPCONNECTIONPOINT iface, IID* pIId)
 147 {
 148     FIXME("stub: %s\n", debugstr_guid(pIId));
 149     return S_OK;
 150 }
 151
 152 /* Get this connection point's owning container */
 153 static HRESULT WINAPI
 154 WBCP_GetConnectionPointContainer(LPCONNECTIONPOINT iface,
 155                                  LPCONNECTIONPOINTCONTAINER *ppCPC)
 156 {
 157     FIXME("stub: IConnectionPointContainer = %p\n", *ppCPC);
 158     return S_OK;
 159 }
 160
 161 /* Connect the pUnkSink event-handling implementation (in the control site)
 162  * to this connection point.  Return a handle to this connection in
 163  * pdwCookie (for later use in Unadvise()).
 164  */
 165 static HRESULT WINAPI WBCP_Advise(LPCONNECTIONPOINT iface,
 166                                   LPUNKNOWN pUnkSink, DWORD *pdwCookie)
 167 {
 168     static int new_cookie;
 169
 170     FIXME("stub: IUnknown = %p, connection cookie = %ld\n", pUnkSink, *pdwCookie);
 171
 172     *pdwCookie = ++new_cookie;
 173     TRACE ("Returning cookie = %ld\n", *pdwCookie);
 174
 175     return S_OK;
 176 }
 177
 178 /* Disconnect this implementation from the connection point. */
 179 static HRESULT WINAPI WBCP_Unadvise(LPCONNECTIONPOINT iface,
 180                                     DWORD dwCookie)
 181 {
 182     FIXME("stub: cookie to disconnect = %lx\n", dwCookie);
 183     return S_OK;
 184 }
 185
 186 /* Get a list of connections in this connection point. */
 187 static HRESULT WINAPI WBCP_EnumConnections(LPCONNECTIONPOINT iface,
 188                                            LPENUMCONNECTIONS *ppEnum)
 189 {
 190     FIXME("stub: IEnumConnections = %p\n", *ppEnum);
 191     return S_OK;
 192 }
 193
 194 /**********************************************************************
 195  * IConnectionPoint virtual function table for IE Web Browser component
 196  */
 197
 198 static ICOM_VTABLE(IConnectionPoint) WBCP_Vtbl =
 199 {
 200     ICOM_MSVTABLE_COMPAT_DummyRTTIVALUE
 201     WBCP_QueryInterface,
 202     WBCP_AddRef,
 203     WBCP_Release,
 204     WBCP_GetConnectionInterface,
 205     WBCP_GetConnectionPointContainer,
 206     WBCP_Advise,
 207     WBCP_Unadvise,
 208     WBCP_EnumConnections
 209 };
 210
 211 IConnectionPointImpl SHDOCVW_ConnectionPoint = { &WBCP_Vtbl, 1 };