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