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 static IConnectionPointImpl SHDOCVW_ConnectionPoint;
  31
  32 static const GUID IID_INotifyDBEvents =
  33     { 0xdb526cc0, 0xd188, 0x11cd, { 0xad, 0x48, 0x00, 0xaa, 0x00, 0x3c, 0x9c, 0xb6 } };
  34
  35 /**********************************************************************
  36  * Implement the IConnectionPointContainer interface
  37  */
  38
  39 static HRESULT WINAPI WBCPC_QueryInterface(LPCONNECTIONPOINTCONTAINER iface,
  40                                            REFIID riid, LPVOID *ppobj)
  41 {
  42     FIXME("- no interface\n\tIID:\t%s\n", debugstr_guid(riid));
  43
  44     if (ppobj == NULL) return E_POINTER;
  45
  46     return E_NOINTERFACE;
  47 }
  48
  49 static ULONG WINAPI WBCPC_AddRef(LPCONNECTIONPOINTCONTAINER iface)
  50 {
  51     SHDOCVW_LockModule();
  52
  53     return 2; /* non-heap based object */
  54 }
  55
  56 static ULONG WINAPI WBCPC_Release(LPCONNECTIONPOINTCONTAINER iface)
  57 {
  58     SHDOCVW_UnlockModule();
  59
  60     return 1; /* non-heap based object */
  61 }
  62
  63 /* Get a list of connection points inside this container. */
  64 static HRESULT WINAPI WBCPC_EnumConnectionPoints(LPCONNECTIONPOINTCONTAINER iface,
  65                                                  LPENUMCONNECTIONPOINTS *ppEnum)
  66 {
  67     FIXME("stub: IEnumConnectionPoints = %p\n", *ppEnum);
  68     return S_OK;
  69 }
  70
  71 /* Retrieve the connection point in this container associated with the
  72  * riid interface.  When events occur in the control, the control can
  73  * call backwards into its embedding site, through these interfaces.
  74  */
  75 static HRESULT WINAPI WBCPC_FindConnectionPoint(LPCONNECTIONPOINTCONTAINER iface,
  76                                                 REFIID riid, LPCONNECTIONPOINT *ppCP)
  77 {
  78     TRACE(": IID = %s, IConnectionPoint = %p\n", debugstr_guid(riid), *ppCP);
  79
  80     /* For now, return the same IConnectionPoint object for both
  81      * event interface requests.
  82      */
  83     if (IsEqualGUID (&IID_INotifyDBEvents, riid))
  84     {
  85         TRACE("Returning connection point %p for IID_INotifyDBEvents\n",
  86               &SHDOCVW_ConnectionPoint);
  87         *ppCP = (LPCONNECTIONPOINT)&SHDOCVW_ConnectionPoint;
  88         return S_OK;
  89     }
  90     else if (IsEqualGUID (&IID_IPropertyNotifySink, riid))
  91     {
  92         TRACE("Returning connection point %p for IID_IPropertyNotifySink\n",
  93               &SHDOCVW_ConnectionPoint);
  94         *ppCP = (LPCONNECTIONPOINT)&SHDOCVW_ConnectionPoint;
  95         return S_OK;
  96     }
  97
  98     return E_FAIL;
  99 }
 100
 101 /**********************************************************************
 102  * IConnectionPointContainer virtual function table for IE Web Browser component
 103  */
 104
 105 static const IConnectionPointContainerVtbl WBCPC_Vtbl =
 106 {
 107     WBCPC_QueryInterface,
 108     WBCPC_AddRef,
 109     WBCPC_Release,
 110     WBCPC_EnumConnectionPoints,
 111     WBCPC_FindConnectionPoint
 112 };
 113
 114 IConnectionPointContainerImpl SHDOCVW_ConnectionPointContainer = {&WBCPC_Vtbl};
 115
 116
 117 /**********************************************************************
 118  * Implement the IConnectionPoint interface
 119  */
 120
 121 static HRESULT WINAPI WBCP_QueryInterface(LPCONNECTIONPOINT iface,
 122                                           REFIID riid, LPVOID *ppobj)
 123 {
 124     FIXME("- no interface\n\tIID:\t%s\n", debugstr_guid(riid));
 125
 126     if (ppobj == NULL) return E_POINTER;
 127
 128     return E_NOINTERFACE;
 129 }
 130
 131 static ULONG WINAPI WBCP_AddRef(LPCONNECTIONPOINT iface)
 132 {
 133     SHDOCVW_LockModule();
 134
 135     return 2; /* non-heap based object */
 136 }
 137
 138 static ULONG WINAPI WBCP_Release(LPCONNECTIONPOINT iface)
 139 {
 140     SHDOCVW_UnlockModule();
 141
 142     return 1; /* non-heap based object */
 143 }
 144
 145 static HRESULT WINAPI WBCP_GetConnectionInterface(LPCONNECTIONPOINT iface, IID* pIId)
 146 {
 147     FIXME("stub: %s\n", debugstr_guid(pIId));
 148     return S_OK;
 149 }
 150
 151 /* Get this connection point's owning container */
 152 static HRESULT WINAPI
 153 WBCP_GetConnectionPointContainer(LPCONNECTIONPOINT iface,
 154                                  LPCONNECTIONPOINTCONTAINER *ppCPC)
 155 {
 156     FIXME("stub: IConnectionPointContainer = %p\n", *ppCPC);
 157     return S_OK;
 158 }
 159
 160 /* Connect the pUnkSink event-handling implementation (in the control site)
 161  * to this connection point.  Return a handle to this connection in
 162  * pdwCookie (for later use in Unadvise()).
 163  */
 164 static HRESULT WINAPI WBCP_Advise(LPCONNECTIONPOINT iface,
 165                                   LPUNKNOWN pUnkSink, DWORD *pdwCookie)
 166 {
 167     static int new_cookie;
 168
 169     FIXME("stub: IUnknown = %p, connection cookie = %ld\n", pUnkSink, *pdwCookie);
 170
 171     *pdwCookie = ++new_cookie;
 172     TRACE ("Returning cookie = %ld\n", *pdwCookie);
 173
 174     return S_OK;
 175 }
 176
 177 /* Disconnect this implementation from the connection point. */
 178 static HRESULT WINAPI WBCP_Unadvise(LPCONNECTIONPOINT iface,
 179                                     DWORD dwCookie)
 180 {
 181     FIXME("stub: cookie to disconnect = %lx\n", dwCookie);
 182     return S_OK;
 183 }
 184
 185 /* Get a list of connections in this connection point. */
 186 static HRESULT WINAPI WBCP_EnumConnections(LPCONNECTIONPOINT iface,
 187                                            LPENUMCONNECTIONS *ppEnum)
 188 {
 189     FIXME("stub: IEnumConnections = %p\n", *ppEnum);
 190     return S_OK;
 191 }
 192
 193 /**********************************************************************
 194  * IConnectionPoint virtual function table for IE Web Browser component
 195  */
 196
 197 static const IConnectionPointVtbl WBCP_Vtbl =
 198 {
 199     WBCP_QueryInterface,
 200     WBCP_AddRef,
 201     WBCP_Release,
 202     WBCP_GetConnectionInterface,
 203     WBCP_GetConnectionPointContainer,
 204     WBCP_Advise,
 205     WBCP_Unadvise,
 206     WBCP_EnumConnections
 207 };
 208
 209 static IConnectionPointImpl SHDOCVW_ConnectionPoint = {&WBCP_Vtbl};