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 static const GUID IID_INotifyDBEvents =
  32     { 0xdb526cc0, 0xd188, 0x11cd, { 0xad, 0x48, 0x00, 0xaa, 0x00, 0x3c, 0x9c, 0xb6 } };
  33
  34 /**********************************************************************
  35  * Implement the IConnectionPointContainer interface
  36  */
  37
  38 static HRESULT WINAPI WBCPC_QueryInterface(LPCONNECTIONPOINTCONTAINER iface,
  39                                            REFIID riid, LPVOID *ppobj)
  40 {
  41     IConnectionPointContainerImpl *This = (IConnectionPointContainerImpl *)iface;
  42
  43     FIXME("(%p)->(%s,%p),stub!\n", This, debugstr_guid(riid), ppobj);
  44     return E_NOINTERFACE;
  45 }
  46
  47 static ULONG WINAPI WBCPC_AddRef(LPCONNECTIONPOINTCONTAINER iface)
  48 {
  49     IConnectionPointContainerImpl *This = (IConnectionPointContainerImpl *)iface;
  50
  51     TRACE("\n");
  52     return ++(This->ref);
  53 }
  54
  55 static ULONG WINAPI WBCPC_Release(LPCONNECTIONPOINTCONTAINER iface)
  56 {
  57     IConnectionPointContainerImpl *This = (IConnectionPointContainerImpl *)iface;
  58
  59     /* static class, won't be freed */
  60     TRACE("\n");
  61     return --(This->ref);
  62 }
  63
  64 /* Get a list of connection points inside this container. */
  65 static HRESULT WINAPI WBCPC_EnumConnectionPoints(LPCONNECTIONPOINTCONTAINER iface,
  66                                                  LPENUMCONNECTIONPOINTS *ppEnum)
  67 {
  68     FIXME("stub: IEnumConnectionPoints = %p\n", *ppEnum);
  69     return S_OK;
  70 }
  71
  72 /* Retrieve the connection point in this container associated with the
  73  * riid interface.  When events occur in the control, the control can
  74  * call backwards into its embedding site, through these interfaces.
  75  */
  76 static HRESULT WINAPI WBCPC_FindConnectionPoint(LPCONNECTIONPOINTCONTAINER iface,
  77                                                 REFIID riid, LPCONNECTIONPOINT *ppCP)
  78 {
  79     TRACE(": IID = %s, IConnectionPoint = %p\n", debugstr_guid(riid), *ppCP);
  80
  81     /* For now, return the same IConnectionPoint object for both
  82      * event interface requests.
  83      */
  84     if (IsEqualGUID (&IID_INotifyDBEvents, riid))
  85     {
  86         TRACE("Returning connection point %p for IID_INotifyDBEvents\n",
  87               &SHDOCVW_ConnectionPoint);
  88         *ppCP = (LPCONNECTIONPOINT)&SHDOCVW_ConnectionPoint;
  89         return S_OK;
  90     }
  91     else if (IsEqualGUID (&IID_IPropertyNotifySink, riid))
  92     {
  93         TRACE("Returning connection point %p for IID_IPropertyNotifySink\n",
  94               &SHDOCVW_ConnectionPoint);
  95         *ppCP = (LPCONNECTIONPOINT)&SHDOCVW_ConnectionPoint;
  96         return S_OK;
  97     }
  98
  99     return E_FAIL;
 100 }
 101
 102 /**********************************************************************
 103  * IConnectionPointContainer virtual function table for IE Web Browser component
 104  */
 105
 106 static IConnectionPointContainerVtbl WBCPC_Vtbl =
 107 {
 108     WBCPC_QueryInterface,
 109     WBCPC_AddRef,
 110     WBCPC_Release,
 111     WBCPC_EnumConnectionPoints,
 112     WBCPC_FindConnectionPoint
 113 };
 114
 115 IConnectionPointContainerImpl SHDOCVW_ConnectionPointContainer = { &WBCPC_Vtbl, 1 };
 116
 117
 118 /**********************************************************************
 119  * Implement the IConnectionPoint interface
 120  */
 121
 122 static HRESULT WINAPI WBCP_QueryInterface(LPCONNECTIONPOINT iface,
 123                                           REFIID riid, LPVOID *ppobj)
 124 {
 125     IConnectionPointImpl *This = (IConnectionPointImpl *)iface;
 126
 127     FIXME("(%p)->(%s,%p),stub!\n", This, debugstr_guid(riid), ppobj);
 128     return E_NOINTERFACE;
 129 }
 130
 131 static ULONG WINAPI WBCP_AddRef(LPCONNECTIONPOINT iface)
 132 {
 133     IConnectionPointImpl *This = (IConnectionPointImpl *)iface;
 134
 135     TRACE("\n");
 136     return ++(This->ref);
 137 }
 138
 139 static ULONG WINAPI WBCP_Release(LPCONNECTIONPOINT iface)
 140 {
 141     IConnectionPointImpl *This = (IConnectionPointImpl *)iface;
 142
 143     /* static class, won't be freed */
 144     TRACE("\n");
 145     return --(This->ref);
 146 }
 147
 148 static HRESULT WINAPI WBCP_GetConnectionInterface(LPCONNECTIONPOINT iface, IID* pIId)
 149 {
 150     FIXME("stub: %s\n", debugstr_guid(pIId));
 151     return S_OK;
 152 }
 153
 154 /* Get this connection point's owning container */
 155 static HRESULT WINAPI
 156 WBCP_GetConnectionPointContainer(LPCONNECTIONPOINT iface,
 157                                  LPCONNECTIONPOINTCONTAINER *ppCPC)
 158 {
 159     FIXME("stub: IConnectionPointContainer = %p\n", *ppCPC);
 160     return S_OK;
 161 }
 162
 163 /* Connect the pUnkSink event-handling implementation (in the control site)
 164  * to this connection point.  Return a handle to this connection in
 165  * pdwCookie (for later use in Unadvise()).
 166  */
 167 static HRESULT WINAPI WBCP_Advise(LPCONNECTIONPOINT iface,
 168                                   LPUNKNOWN pUnkSink, DWORD *pdwCookie)
 169 {
 170     static int new_cookie;
 171
 172     FIXME("stub: IUnknown = %p, connection cookie = %ld\n", pUnkSink, *pdwCookie);
 173
 174     *pdwCookie = ++new_cookie;
 175     TRACE ("Returning cookie = %ld\n", *pdwCookie);
 176
 177     return S_OK;
 178 }
 179
 180 /* Disconnect this implementation from the connection point. */
 181 static HRESULT WINAPI WBCP_Unadvise(LPCONNECTIONPOINT iface,
 182                                     DWORD dwCookie)
 183 {
 184     FIXME("stub: cookie to disconnect = %lx\n", dwCookie);
 185     return S_OK;
 186 }
 187
 188 /* Get a list of connections in this connection point. */
 189 static HRESULT WINAPI WBCP_EnumConnections(LPCONNECTIONPOINT iface,
 190                                            LPENUMCONNECTIONS *ppEnum)
 191 {
 192     FIXME("stub: IEnumConnections = %p\n", *ppEnum);
 193     return S_OK;
 194 }
 195
 196 /**********************************************************************
 197  * IConnectionPoint virtual function table for IE Web Browser component
 198  */
 199
 200 static IConnectionPointVtbl WBCP_Vtbl =
 201 {
 202     WBCP_QueryInterface,
 203     WBCP_AddRef,
 204     WBCP_Release,
 205     WBCP_GetConnectionInterface,
 206     WBCP_GetConnectionPointContainer,
 207     WBCP_Advise,
 208     WBCP_Unadvise,
 209     WBCP_EnumConnections
 210 };
 211
 212 IConnectionPointImpl SHDOCVW_ConnectionPoint = { &WBCP_Vtbl, 1 };