git.oblomov.eu Git - wine/blob - dlls/mshtml/conpoint.c

   1 /*
   2  * Copyright 2006 Jacek Caban for CodeWeavers
   3  *
   4  * This library is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Lesser General Public
   6  * License as published by the Free Software Foundation; either
   7  * version 2.1 of the License, or (at your option) any later version.
   8  *
   9  * This library is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * Lesser General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Lesser General Public
  15  * License along with this library; if not, write to the Free Software
  16  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  17  */
  18
  19 #include "config.h"
  20
  21 #include <stdarg.h>
  22 #include <stdio.h>
  23
  24 #define COBJMACROS
  25
  26 #include "windef.h"
  27 #include "winbase.h"
  28 #include "winuser.h"
  29 #include "ole2.h"
  30
  31 #include "wine/debug.h"
  32
  33 #include "mshtml_private.h"
  34
  35 WINE_DEFAULT_DEBUG_CHANNEL(mshtml);
  36
  37 #define CONPOINT(x) ((IConnectionPoint*) &(x)->lpConnectionPointVtbl);
  38
  39 struct ConnectionPoint {
  40     const IConnectionPointVtbl *lpConnectionPointVtbl;
  41
  42     HTMLDocument *doc;
  43
  44     union {
  45         IUnknown *unk;
  46         IDispatch *disp;
  47         IPropertyNotifySink *propnotif;
  48     } *sinks;
  49     DWORD sinks_size;
  50
  51     IID iid;
  52 };
  53
  54 #define CONPOINT_THIS(iface) DEFINE_THIS(ConnectionPoint, ConnectionPoint, iface)
  55
  56 static HRESULT WINAPI ConnectionPoint_QueryInterface(IConnectionPoint *iface,
  57                                                      REFIID riid, LPVOID *ppv)
  58 {
  59     ConnectionPoint *This = CONPOINT_THIS(iface);
  60
  61     *ppv = NULL;
  62
  63     if(IsEqualGUID(&IID_IUnknown, riid)) {
  64         TRACE("(%p)->(IID_IUnknown %p)\n", This, ppv);
  65         *ppv = CONPOINT(This);
  66     }else if(IsEqualGUID(&IID_IConnectionPoint, riid)) {
  67         TRACE("(%p)->(IID_IConnectionPoint %p)\n", This, ppv);
  68         *ppv = CONPOINT(This);
  69     }
  70
  71     if(*ppv) {
  72         IUnknown_AddRef((IUnknown*)*ppv);
  73         return S_OK;
  74     }
  75
  76     WARN("Unsupported interface %s\n", debugstr_guid(riid));
  77     return E_NOINTERFACE;
  78 }
  79
  80 static ULONG WINAPI ConnectionPoint_AddRef(IConnectionPoint *iface)
  81 {
  82     ConnectionPoint *This = CONPOINT_THIS(iface);
  83     return IHTMLDocument2_AddRef(HTMLDOC(This->doc));
  84 }
  85
  86 static ULONG WINAPI ConnectionPoint_Release(IConnectionPoint *iface)
  87 {
  88     ConnectionPoint *This = CONPOINT_THIS(iface);
  89     return IHTMLDocument2_Release(HTMLDOC(This->doc));
  90 }
  91
  92 static HRESULT WINAPI ConnectionPoint_GetConnectionInterface(IConnectionPoint *iface, IID *pIID)
  93 {
  94     ConnectionPoint *This = CONPOINT_THIS(iface);
  95
  96     TRACE("(%p)->(%p)\n", This, pIID);
  97
  98     if(!pIID)
  99         return E_POINTER;
 100
 101     memcpy(pIID, &This->iid, sizeof(IID));
 102     return S_OK;
 103 }
 104
 105 static HRESULT WINAPI ConnectionPoint_GetConnectionPointContainer(IConnectionPoint *iface,
 106         IConnectionPointContainer **ppCPC)
 107 {
 108     ConnectionPoint *This = CONPOINT_THIS(iface);
 109
 110     TRACE("(%p)->(%p)\n", This, ppCPC);
 111
 112     if(!ppCPC)
 113         return E_POINTER;
 114
 115     *ppCPC = CONPTCONT(This->doc);
 116     IConnectionPointContainer_AddRef(*ppCPC);
 117     return S_OK;
 118 }
 119
 120 static HRESULT WINAPI ConnectionPoint_Advise(IConnectionPoint *iface, IUnknown *pUnkSink,
 121                                              DWORD *pdwCookie)
 122 {
 123     ConnectionPoint *This = CONPOINT_THIS(iface);
 124     IUnknown *sink;
 125     DWORD i;
 126     HRESULT hres;
 127
 128     TRACE("(%p)->(%p %p)\n", This, pUnkSink, pdwCookie);
 129
 130     hres = IUnknown_QueryInterface(pUnkSink, &This->iid, (void**)&sink);
 131     if(FAILED(hres) && !IsEqualGUID(&IID_IPropertyNotifySink, &This->iid)) {
 132         hres = IUnknown_QueryInterface(pUnkSink, &IID_IDispatch, (void**)&sink);
 133         if(FAILED(hres))
 134             return CONNECT_E_CANNOTCONNECT;
 135     }
 136
 137     if(This->sinks) {
 138         for(i=0; i<This->sinks_size; i++) {
 139             if(!This->sinks[i].unk)
 140                 break;
 141         }
 142
 143         if(i == This->sinks_size)
 144             This->sinks = HeapReAlloc(GetProcessHeap(), 0, This->sinks,
 145                     (++This->sinks_size)*sizeof(*This->sinks));
 146     }else {
 147         This->sinks = HeapAlloc(GetProcessHeap(), 0, sizeof(*This->sinks));
 148         This->sinks_size = 1;
 149         i = 0;
 150     }
 151
 152     This->sinks[i].unk = sink;
 153     *pdwCookie = i+1;
 154
 155     return S_OK;
 156 }
 157
 158 static HRESULT WINAPI ConnectionPoint_Unadvise(IConnectionPoint *iface, DWORD dwCookie)
 159 {
 160     ConnectionPoint *This = CONPOINT_THIS(iface);
 161     TRACE("(%p)->(%ld)\n", This, dwCookie);
 162
 163     if(!dwCookie || dwCookie > This->sinks_size || !This->sinks[dwCookie-1].unk)
 164         return CONNECT_E_NOCONNECTION;
 165
 166     IUnknown_Release(This->sinks[dwCookie-1].unk);
 167     This->sinks[dwCookie-1].unk = NULL;
 168
 169     return S_OK;
 170 }
 171
 172 static HRESULT WINAPI ConnectionPoint_EnumConnections(IConnectionPoint *iface,
 173                                                       IEnumConnections **ppEnum)
 174 {
 175     ConnectionPoint *This = CONPOINT_THIS(iface);
 176     FIXME("(%p)->(%p)\n", This, ppEnum);
 177     return E_NOTIMPL;
 178 }
 179
 180 #undef CONPOINT_THIS
 181
 182 static const IConnectionPointVtbl ConnectionPointVtbl =
 183 {
 184     ConnectionPoint_QueryInterface,
 185     ConnectionPoint_AddRef,
 186     ConnectionPoint_Release,
 187     ConnectionPoint_GetConnectionInterface,
 188     ConnectionPoint_GetConnectionPointContainer,
 189     ConnectionPoint_Advise,
 190     ConnectionPoint_Unadvise,
 191     ConnectionPoint_EnumConnections
 192 };
 193
 194 static void ConnectionPoint_Create(HTMLDocument *doc, REFIID riid, ConnectionPoint **cp)
 195 {
 196     ConnectionPoint *ret = HeapAlloc(GetProcessHeap(), 0, sizeof(ConnectionPoint));
 197
 198     ret->lpConnectionPointVtbl = &ConnectionPointVtbl;
 199     ret->doc = doc;
 200     ret->sinks = NULL;
 201     ret->sinks_size = 0;
 202     memcpy(&ret->iid, riid, sizeof(IID));
 203
 204     *cp = ret;
 205 }
 206
 207 static void ConnectionPoint_Destroy(ConnectionPoint *This)
 208 {
 209     int i;
 210
 211     for(i=0; i<This->sinks_size; i++) {
 212         if(This->sinks[i].unk)
 213             IUnknown_Release(This->sinks[i].unk);
 214     }
 215
 216     HeapFree(GetProcessHeap(), 0, This->sinks);
 217     HeapFree(GetProcessHeap(), 0, This);
 218 }
 219
 220 #define CONPTCONT_THIS(iface) DEFINE_THIS(HTMLDocument, ConnectionPointContainer, iface)
 221
 222 static HRESULT WINAPI ConnectionPointContainer_QueryInterface(IConnectionPointContainer *iface,
 223                                                               REFIID riid, void **ppv)
 224 {
 225     HTMLDocument *This = CONPTCONT_THIS(iface);
 226     return IHTMLDocument2_QueryInterface(HTMLDOC(This), riid, ppv);
 227 }
 228
 229 static ULONG WINAPI ConnectionPointContainer_AddRef(IConnectionPointContainer *iface)
 230 {
 231     HTMLDocument *This = CONPTCONT_THIS(iface);
 232     return IHTMLDocument2_AddRef(HTMLDOC(This));
 233 }
 234
 235 static ULONG WINAPI ConnectionPointContainer_Release(IConnectionPointContainer *iface)
 236 {
 237     HTMLDocument *This = CONPTCONT_THIS(iface);
 238     return IHTMLDocument2_Release(HTMLDOC(This));
 239 }
 240
 241 static HRESULT WINAPI ConnectionPointContainer_EnumConnectionPoints(IConnectionPointContainer *iface,
 242         IEnumConnectionPoints **ppEnum)
 243 {
 244     HTMLDocument *This = CONPTCONT_THIS(iface);
 245     FIXME("(%p)->(%p)\n", This, ppEnum);
 246     return E_NOTIMPL;
 247 }
 248
 249 static HRESULT WINAPI ConnectionPointContainer_FindConnectionPoint(IConnectionPointContainer *iface,
 250         REFIID riid, IConnectionPoint **ppCP)
 251 {
 252     HTMLDocument *This = CONPTCONT_THIS(iface);
 253
 254     *ppCP = NULL;
 255
 256     if(IsEqualGUID(&DIID_HTMLDocumentEvents, riid)) {
 257         TRACE("(%p)->(DIID_HTMLDocumentEvents %p)\n", This, ppCP);
 258         *ppCP = CONPOINT(This->cp_htmldocevents);
 259     }else if(IsEqualGUID(&DIID_HTMLDocumentEvents2, riid)) {
 260         TRACE("(%p)->(DIID_HTMLDocumentEvents2 %p)\n", This, ppCP);
 261         *ppCP = CONPOINT(This->cp_htmldocevents2);
 262     }else if(IsEqualGUID(&IID_IPropertyNotifySink, riid)) {
 263         TRACE("(%p)->(IID_IPropertyNotifySink %p)\n", This, ppCP);
 264         *ppCP = CONPOINT(This->cp_propnotif);
 265     }
 266
 267     if(*ppCP) {
 268         IConnectionPoint_AddRef(*ppCP);
 269         return S_OK;
 270     }
 271
 272     FIXME("(%p)->(%s %p) unsupported riid\n", This, debugstr_guid(riid), ppCP);
 273     return CONNECT_E_NOCONNECTION;
 274 }
 275
 276 static const IConnectionPointContainerVtbl ConnectionPointContainerVtbl = {
 277     ConnectionPointContainer_QueryInterface,
 278     ConnectionPointContainer_AddRef,
 279     ConnectionPointContainer_Release,
 280     ConnectionPointContainer_EnumConnectionPoints,
 281     ConnectionPointContainer_FindConnectionPoint
 282 };
 283
 284 #undef CONPTCONT_THIS
 285
 286 void HTMLDocument_ConnectionPoints_Init(HTMLDocument *This)
 287 {
 288     This->lpConnectionPointContainerVtbl = &ConnectionPointContainerVtbl;
 289
 290     ConnectionPoint_Create(This, &IID_IPropertyNotifySink, &This->cp_propnotif);
 291     ConnectionPoint_Create(This, &DIID_HTMLDocumentEvents, &This->cp_htmldocevents);
 292     ConnectionPoint_Create(This, &DIID_HTMLDocumentEvents2, &This->cp_htmldocevents2);
 293 }
 294
 295 void HTMLDocument_ConnectionPoints_Destroy(HTMLDocument *This)
 296 {
 297     ConnectionPoint_Destroy(This->cp_propnotif);
 298     ConnectionPoint_Destroy(This->cp_htmldocevents);
 299     ConnectionPoint_Destroy(This->cp_htmldocevents2);
 300 }