dlls/mshtml/dispex.c

   1 /*
   2  * Copyright 2008 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 <stdarg.h>
  20
  21 #define COBJMACROS
  22
  23 #include "windef.h"
  24 #include "winbase.h"
  25 #include "winuser.h"
  26 #include "ole2.h"
  27
  28 #include "wine/debug.h"
  29
  30 #include "mshtml_private.h"
  31
  32 WINE_DEFAULT_DEBUG_CHANNEL(mshtml);
  33
  34 typedef struct {
  35     DISPID id;
  36     BSTR name;
  37     tid_t tid;
  38 } func_info_t;
  39
  40 struct dispex_data_t {
  41     DWORD func_cnt;
  42     func_info_t *funcs;
  43     func_info_t **name_table;
  44
  45     struct list entry;
  46 };
  47
  48 typedef struct {
  49     VARIANT var;
  50     LPWSTR name;
  51 } dynamic_prop_t;
  52
  53 struct dispex_dynamic_data_t {
  54     DWORD buf_size;
  55     DWORD prop_cnt;
  56     dynamic_prop_t *props;
  57 };
  58
  59 #define DISPID_DYNPROP_0    0x50000000
  60 #define DISPID_DYNPROP_MAX  0x5fffffff
  61
  62 static ITypeLib *typelib;
  63 static ITypeInfo *typeinfos[LAST_tid];
  64 static struct list dispex_data_list = LIST_INIT(dispex_data_list);
  65
  66 static REFIID tid_ids[] = {
  67     &IID_NULL,
  68     &DIID_DispCEventObj,
  69     &DIID_DispDOMChildrenCollection,
  70     &DIID_DispHTMLBody,
  71     &DIID_DispHTMLCommentElement,
  72     &DIID_DispHTMLCurrentStyle,
  73     &DIID_DispHTMLDocument,
  74     &DIID_DispHTMLDOMTextNode,
  75     &DIID_DispHTMLElementCollection,
  76     &DIID_DispHTMLGenericElement,
  77     &DIID_DispHTMLIFrame,
  78     &DIID_DispHTMLImg,
  79     &DIID_DispHTMLInputElement,
  80     &DIID_DispHTMLLocation,
  81     &DIID_DispHTMLNavigator,
  82     &DIID_DispHTMLOptionElement,
  83     &DIID_DispHTMLSelectElement,
  84     &DIID_DispHTMLStyle,
  85     &DIID_DispHTMLTable,
  86     &DIID_DispHTMLTableRow,
  87     &DIID_DispHTMLUnknownElement,
  88     &DIID_DispHTMLWindow2,
  89     &IID_IHTMLBodyElement,
  90     &IID_IHTMLBodyElement2,
  91     &IID_IHTMLCommentElement,
  92     &IID_IHTMLCurrentStyle,
  93     &IID_IHTMLCurrentStyle2,
  94     &IID_IHTMLCurrentStyle3,
  95     &IID_IHTMLCurrentStyle4,
  96     &IID_IHTMLDocument2,
  97     &IID_IHTMLDocument3,
  98     &IID_IHTMLDocument4,
  99     &IID_IHTMLDocument5,
 100     &IID_IHTMLDOMChildrenCollection,
 101     &IID_IHTMLDOMNode,
 102     &IID_IHTMLDOMNode2,
 103     &IID_IHTMLDOMTextNode,
 104     &IID_IHTMLElement,
 105     &IID_IHTMLElement2,
 106     &IID_IHTMLElement3,
 107     &IID_IHTMLElement4,
 108     &IID_IHTMLElementCollection,
 109     &IID_IHTMLEventObj,
 110     &IID_IHTMLFrameBase2,
 111     &IID_IHTMLGenericElement,
 112     &IID_IHTMLImgElement,
 113     &IID_IHTMLInputElement,
 114     &IID_IHTMLLocation,
 115     &IID_IHTMLOptionElement,
 116     &IID_IHTMLSelectElement,
 117     &IID_IHTMLStyle,
 118     &IID_IHTMLStyle2,
 119     &IID_IHTMLStyle3,
 120     &IID_IHTMLStyle4,
 121     &IID_IHTMLTable,
 122     &IID_IHTMLTableRow,
 123     &IID_IHTMLTextContainer,
 124     &IID_IHTMLUniqueName,
 125     &IID_IHTMLWindow2,
 126     &IID_IHTMLWindow3,
 127     &IID_IOmNavigator
 128 };
 129
 130 static HRESULT get_typeinfo(tid_t tid, ITypeInfo **typeinfo)
 131 {
 132     HRESULT hres;
 133
 134     if(!typelib) {
 135         ITypeLib *tl;
 136
 137         hres = LoadRegTypeLib(&LIBID_MSHTML, 4, 0, LOCALE_SYSTEM_DEFAULT, &tl);
 138         if(FAILED(hres)) {
 139             ERR("LoadRegTypeLib failed: %08x\n", hres);
 140             return hres;
 141         }
 142
 143         if(InterlockedCompareExchangePointer((void**)&typelib, tl, NULL))
 144             ITypeLib_Release(tl);
 145     }
 146
 147     if(!typeinfos[tid]) {
 148         ITypeInfo *typeinfo;
 149
 150         hres = ITypeLib_GetTypeInfoOfGuid(typelib, tid_ids[tid], &typeinfo);
 151         if(FAILED(hres)) {
 152             ERR("GetTypeInfoOfGuid(%s) failed: %08x\n", debugstr_guid(tid_ids[tid]), hres);
 153             return hres;
 154         }
 155
 156         if(InterlockedCompareExchangePointer((void**)(typeinfos+tid), typeinfo, NULL))
 157             ITypeInfo_Release(typeinfo);
 158     }
 159
 160     *typeinfo = typeinfos[tid];
 161     return S_OK;
 162 }
 163
 164 void release_typelib(void)
 165 {
 166     dispex_data_t *iter;
 167     unsigned i;
 168
 169     while(!list_empty(&dispex_data_list)) {
 170         iter = LIST_ENTRY(list_head(&dispex_data_list), dispex_data_t, entry);
 171         list_remove(&iter->entry);
 172
 173         for(i=0; i < iter->func_cnt; i++)
 174             SysFreeString(iter->funcs[i].name);
 175
 176         heap_free(iter->funcs);
 177         heap_free(iter->name_table);
 178         heap_free(iter);
 179     }
 180
 181     if(!typelib)
 182         return;
 183
 184     for(i=0; i < sizeof(typeinfos)/sizeof(*typeinfos); i++)
 185         if(typeinfos[i])
 186             ITypeInfo_Release(typeinfos[i]);
 187
 188     ITypeLib_Release(typelib);
 189 }
 190
 191 static void add_func_info(dispex_data_t *data, DWORD *size, tid_t tid, DISPID id, ITypeInfo *dti)
 192 {
 193     HRESULT hres;
 194
 195     if(data->func_cnt && data->funcs[data->func_cnt-1].id == id)
 196         return;
 197
 198     if(data->func_cnt == *size)
 199         data->funcs = heap_realloc(data->funcs, (*size <<= 1)*sizeof(func_info_t));
 200
 201     hres = ITypeInfo_GetDocumentation(dti, id, &data->funcs[data->func_cnt].name, NULL, NULL, NULL);
 202     if(FAILED(hres))
 203         return;
 204
 205     data->funcs[data->func_cnt].id = id;
 206     data->funcs[data->func_cnt].tid = tid;
 207
 208     data->func_cnt++;
 209 }
 210
 211 static int dispid_cmp(const void *p1, const void *p2)
 212 {
 213     return ((func_info_t*)p1)->id - ((func_info_t*)p2)->id;
 214 }
 215
 216 static int func_name_cmp(const void *p1, const void *p2)
 217 {
 218     return strcmpiW((*(func_info_t**)p1)->name, (*(func_info_t**)p2)->name);
 219 }
 220
 221 static dispex_data_t *preprocess_dispex_data(DispatchEx *This)
 222 {
 223     const tid_t *tid = This->data->iface_tids;
 224     FUNCDESC *funcdesc;
 225     dispex_data_t *data;
 226     DWORD size = 16, i;
 227     ITypeInfo *ti, *dti;
 228     HRESULT hres;
 229
 230     TRACE("(%p)\n", This);
 231
 232     hres = get_typeinfo(This->data->disp_tid, &dti);
 233     if(FAILED(hres)) {
 234         ERR("Could not get disp type info: %08x\n", hres);
 235         return NULL;
 236     }
 237
 238     data = heap_alloc(sizeof(dispex_data_t));
 239     data->func_cnt = 0;
 240     data->funcs = heap_alloc(size*sizeof(func_info_t));
 241     list_add_tail(&dispex_data_list, &data->entry);
 242
 243     while(*tid) {
 244         hres = get_typeinfo(*tid, &ti);
 245         if(FAILED(hres))
 246             break;
 247
 248         i=7;
 249         while(1) {
 250             hres = ITypeInfo_GetFuncDesc(ti, i++, &funcdesc);
 251             if(FAILED(hres))
 252                 break;
 253
 254             add_func_info(data, &size, *tid, funcdesc->memid, dti);
 255             ITypeInfo_ReleaseFuncDesc(ti, funcdesc);
 256         }
 257
 258         tid++;
 259     }
 260
 261     if(!data->func_cnt) {
 262         heap_free(data->funcs);
 263         data->funcs = NULL;
 264     }else if(data->func_cnt != size) {
 265         data->funcs = heap_realloc(data->funcs, data->func_cnt * sizeof(func_info_t));
 266     }
 267
 268     qsort(data->funcs, data->func_cnt, sizeof(func_info_t), dispid_cmp);
 269
 270     if(data->funcs) {
 271         data->name_table = heap_alloc(data->func_cnt * sizeof(func_info_t*));
 272         for(i=0; i < data->func_cnt; i++)
 273             data->name_table[i] = data->funcs+i;
 274         qsort(data->name_table, data->func_cnt, sizeof(func_info_t*), func_name_cmp);
 275     }else {
 276         data->name_table = NULL;
 277     }
 278
 279     return data;
 280 }
 281
 282 static CRITICAL_SECTION cs_dispex_static_data;
 283 static CRITICAL_SECTION_DEBUG cs_dispex_static_data_dbg =
 284 {
 285     0, 0, &cs_dispex_static_data,
 286     { &cs_dispex_static_data_dbg.ProcessLocksList, &cs_dispex_static_data_dbg.ProcessLocksList },
 287       0, 0, { (DWORD_PTR)(__FILE__ ": dispex_static_data") }
 288 };
 289 static CRITICAL_SECTION cs_dispex_static_data = { &cs_dispex_static_data_dbg, -1, 0, 0, 0, 0 };
 290
 291
 292 static dispex_data_t *get_dispex_data(DispatchEx *This)
 293 {
 294     if(This->data->data)
 295         return This->data->data;
 296
 297     EnterCriticalSection(&cs_dispex_static_data);
 298
 299     if(!This->data->data)
 300         This->data->data = preprocess_dispex_data(This);
 301
 302     LeaveCriticalSection(&cs_dispex_static_data);
 303
 304     return This->data->data;
 305 }
 306
 307 void call_disp_func(HTMLDocument *doc, IDispatch *disp, IDispatch *this_obj)
 308 {
 309     DISPID named_arg = DISPID_THIS;
 310     VARIANTARG arg;
 311     DISPPARAMS params = {&arg, &named_arg, 1, 1};
 312     EXCEPINFO ei;
 313     IDispatchEx *dispex;
 314     VARIANT res;
 315     HRESULT hres;
 316
 317     hres = IDispatch_QueryInterface(disp, &IID_IDispatchEx, (void**)&dispex);
 318     if(FAILED(hres)) {
 319         FIXME("Could not get IDispatchEx interface: %08x\n", hres);
 320         return;
 321     }
 322
 323     V_VT(&arg) = VT_DISPATCH;
 324     V_DISPATCH(&arg) = this_obj;
 325     VariantInit(&res);
 326     memset(&ei, 0, sizeof(ei));
 327
 328     hres = IDispatchEx_InvokeEx(dispex, 0, GetUserDefaultLCID(), DISPATCH_METHOD, &params, &res, &ei, NULL);
 329     IDispatchEx_Release(dispex);
 330
 331     TRACE("%p returned %08x\n", disp, hres);
 332
 333     VariantClear(&res);
 334 }
 335
 336 static inline BOOL is_custom_dispid(DISPID id)
 337 {
 338     return MSHTML_DISPID_CUSTOM_MIN <= id && id <= MSHTML_DISPID_CUSTOM_MAX;
 339 }
 340
 341 static inline BOOL is_dynamic_dispid(DISPID id)
 342 {
 343     return DISPID_DYNPROP_0 <= id && id <= DISPID_DYNPROP_MAX;
 344 }
 345
 346 static HRESULT get_dynamic_prop(DispatchEx *This, const WCHAR *name, BOOL alloc, dynamic_prop_t **ret)
 347 {
 348     dispex_dynamic_data_t *data = This->dynamic_data;
 349
 350     if(data) {
 351         unsigned i;
 352
 353         for(i=0; i < data->prop_cnt; i++) {
 354             if(!strcmpW(data->props[i].name, name)) {
 355                 *ret = data->props+i;
 356                 return S_OK;
 357             }
 358         }
 359     }
 360
 361     if(alloc) {
 362         TRACE("creating dynamic prop %s\n", debugstr_w(name));
 363
 364         if(!data) {
 365             data = This->dynamic_data = heap_alloc_zero(sizeof(dispex_dynamic_data_t));
 366             if(!data)
 367                 return E_OUTOFMEMORY;
 368         }
 369
 370         if(!data->buf_size) {
 371             data->props = heap_alloc(sizeof(dynamic_prop_t)*4);
 372             if(!data->props)
 373                 return E_OUTOFMEMORY;
 374             data->buf_size = 4;
 375         }else if(data->buf_size == data->prop_cnt) {
 376             dynamic_prop_t *new_props;
 377
 378             new_props = heap_realloc(data->props, sizeof(dynamic_prop_t)*(data->buf_size<<1));
 379             if(!new_props)
 380                 return E_OUTOFMEMORY;
 381
 382             data->props = new_props;
 383             data->buf_size <<= 1;
 384         }
 385
 386         data->props[data->prop_cnt].name = heap_strdupW(name);
 387         VariantInit(&data->props[data->prop_cnt].var);
 388         *ret = data->props + data->prop_cnt++;
 389
 390         return S_OK;
 391     }
 392
 393     TRACE("not found %s\n", debugstr_w(name));
 394     return DISP_E_UNKNOWNNAME;
 395 }
 396
 397 HRESULT dispex_get_dprop_ref(DispatchEx *This, const WCHAR *name, BOOL alloc, VARIANT **ret)
 398 {
 399     dynamic_prop_t *prop;
 400     HRESULT hres;
 401
 402     hres = get_dynamic_prop(This, name, alloc, &prop);
 403     if(FAILED(hres))
 404         return hres;
 405
 406     *ret = &prop->var;
 407     return S_OK;
 408 }
 409
 410 #define DISPATCHEX_THIS(iface) DEFINE_THIS(DispatchEx, IDispatchEx, iface)
 411
 412 static HRESULT WINAPI DispatchEx_QueryInterface(IDispatchEx *iface, REFIID riid, void **ppv)
 413 {
 414     DispatchEx *This = DISPATCHEX_THIS(iface);
 415
 416     return IUnknown_QueryInterface(This->outer, riid, ppv);
 417 }
 418
 419 static ULONG WINAPI DispatchEx_AddRef(IDispatchEx *iface)
 420 {
 421     DispatchEx *This = DISPATCHEX_THIS(iface);
 422
 423     return IUnknown_AddRef(This->outer);
 424 }
 425
 426 static ULONG WINAPI DispatchEx_Release(IDispatchEx *iface)
 427 {
 428     DispatchEx *This = DISPATCHEX_THIS(iface);
 429
 430     return IUnknown_Release(This->outer);
 431 }
 432
 433 static HRESULT WINAPI DispatchEx_GetTypeInfoCount(IDispatchEx *iface, UINT *pctinfo)
 434 {
 435     DispatchEx *This = DISPATCHEX_THIS(iface);
 436
 437     TRACE("(%p)->(%p)\n", This, pctinfo);
 438
 439     *pctinfo = 1;
 440     return S_OK;
 441 }
 442
 443 static HRESULT WINAPI DispatchEx_GetTypeInfo(IDispatchEx *iface, UINT iTInfo,
 444                                               LCID lcid, ITypeInfo **ppTInfo)
 445 {
 446     DispatchEx *This = DISPATCHEX_THIS(iface);
 447     HRESULT hres;
 448
 449     TRACE("(%p)->(%u %u %p)\n", This, iTInfo, lcid, ppTInfo);
 450
 451     hres = get_typeinfo(This->data->disp_tid, ppTInfo);
 452     if(FAILED(hres))
 453         return hres;
 454
 455     ITypeInfo_AddRef(*ppTInfo);
 456     return S_OK;
 457 }
 458
 459 static HRESULT WINAPI DispatchEx_GetIDsOfNames(IDispatchEx *iface, REFIID riid,
 460                                                 LPOLESTR *rgszNames, UINT cNames,
 461                                                 LCID lcid, DISPID *rgDispId)
 462 {
 463     DispatchEx *This = DISPATCHEX_THIS(iface);
 464     UINT i;
 465     HRESULT hres;
 466
 467     TRACE("(%p)->(%s %p %u %u %p)\n", This, debugstr_guid(riid), rgszNames, cNames,
 468           lcid, rgDispId);
 469
 470     for(i=0; i < cNames; i++) {
 471         hres = IDispatchEx_GetDispID(DISPATCHEX(This), rgszNames[i], 0, rgDispId+i);
 472         if(FAILED(hres))
 473             return hres;
 474     }
 475
 476     return S_OK;
 477 }
 478
 479 static HRESULT WINAPI DispatchEx_Invoke(IDispatchEx *iface, DISPID dispIdMember,
 480                             REFIID riid, LCID lcid, WORD wFlags, DISPPARAMS *pDispParams,
 481                             VARIANT *pVarResult, EXCEPINFO *pExcepInfo, UINT *puArgErr)
 482 {
 483     DispatchEx *This = DISPATCHEX_THIS(iface);
 484
 485     TRACE("(%p)->(%d %s %d %d %p %p %p %p)\n", This, dispIdMember, debugstr_guid(riid),
 486           lcid, wFlags, pDispParams, pVarResult, pExcepInfo, puArgErr);
 487
 488     return IDispatchEx_InvokeEx(DISPATCHEX(This), dispIdMember, lcid, wFlags,
 489                                 pDispParams, pVarResult, pExcepInfo, NULL);
 490 }
 491
 492 static HRESULT WINAPI DispatchEx_GetDispID(IDispatchEx *iface, BSTR bstrName, DWORD grfdex, DISPID *pid)
 493 {
 494     DispatchEx *This = DISPATCHEX_THIS(iface);
 495     dynamic_prop_t *dprop;
 496     dispex_data_t *data;
 497     int min, max, n, c;
 498     HRESULT hres;
 499
 500     TRACE("(%p)->(%s %x %p)\n", This, debugstr_w(bstrName), grfdex, pid);
 501
 502     if(grfdex & ~(fdexNameCaseSensitive|fdexNameEnsure|fdexNameImplicit))
 503         FIXME("Unsupported grfdex %x\n", grfdex);
 504
 505     data = get_dispex_data(This);
 506     if(!data)
 507         return E_FAIL;
 508
 509     min = 0;
 510     max = data->func_cnt-1;
 511
 512     while(min <= max) {
 513         n = (min+max)/2;
 514
 515         c = strcmpiW(data->name_table[n]->name, bstrName);
 516         if(!c) {
 517             if((grfdex & fdexNameCaseSensitive) && strcmpW(data->name_table[n]->name, bstrName))
 518                 break;
 519
 520             *pid = data->name_table[n]->id;
 521             return S_OK;
 522         }
 523
 524         if(c > 0)
 525             max = n-1;
 526         else
 527             min = n+1;
 528     }
 529
 530     if(This->data->vtbl && This->data->vtbl->get_dispid) {
 531         HRESULT hres;
 532
 533         hres = This->data->vtbl->get_dispid(This->outer, bstrName, grfdex, pid);
 534         if(hres != DISP_E_UNKNOWNNAME)
 535             return hres;
 536     }
 537
 538     hres = get_dynamic_prop(This, bstrName, grfdex&fdexNameEnsure, &dprop);
 539     if(FAILED(hres))
 540         return hres;
 541
 542     *pid = DISPID_DYNPROP_0 + (dprop - This->dynamic_data->props);
 543     return S_OK;
 544 }
 545
 546 static HRESULT WINAPI DispatchEx_InvokeEx(IDispatchEx *iface, DISPID id, LCID lcid, WORD wFlags, DISPPARAMS *pdp,
 547         VARIANT *pvarRes, EXCEPINFO *pei, IServiceProvider *pspCaller)
 548 {
 549     DispatchEx *This = DISPATCHEX_THIS(iface);
 550     IUnknown *unk;
 551     ITypeInfo *ti;
 552     dispex_data_t *data;
 553     UINT argerr=0;
 554     int min, max, n;
 555     HRESULT hres;
 556
 557     TRACE("(%p)->(%x %x %x %p %p %p %p)\n", This, id, lcid, wFlags, pdp, pvarRes, pei, pspCaller);
 558
 559     if(is_custom_dispid(id) && This->data->vtbl && This->data->vtbl->invoke)
 560         return This->data->vtbl->invoke(This->outer, id, lcid, wFlags, pdp, pvarRes, pei, pspCaller);
 561
 562     if(wFlags == DISPATCH_CONSTRUCT) {
 563         FIXME("DISPATCH_CONSTRUCT not implemented\n");
 564         return E_NOTIMPL;
 565     }
 566
 567     if(is_dynamic_dispid(id)) {
 568         DWORD idx = id - DISPID_DYNPROP_0;
 569         VARIANT *var;
 570
 571         if(!This->dynamic_data || This->dynamic_data->prop_cnt <= idx)
 572             return DISP_E_UNKNOWNNAME;
 573
 574         var = &This->dynamic_data->props[idx].var;
 575
 576         switch(wFlags) {
 577         case INVOKE_FUNC: {
 578             DISPID named_arg = DISPID_THIS;
 579             DISPPARAMS dp = {NULL, &named_arg, 0, 1};
 580             IDispatchEx *dispex;
 581
 582             if(V_VT(var) != VT_DISPATCH) {
 583                 FIXME("invoke vt %d\n", V_VT(var));
 584                 return E_NOTIMPL;
 585             }
 586
 587             if(pdp->cNamedArgs) {
 588                 FIXME("named args not supported\n");
 589                 return E_NOTIMPL;
 590             }
 591
 592             dp.rgvarg = heap_alloc((pdp->cArgs+1)*sizeof(VARIANTARG));
 593             if(!dp.rgvarg)
 594                 return E_OUTOFMEMORY;
 595
 596             dp.cArgs = pdp->cArgs+1;
 597             memcpy(dp.rgvarg+1, pdp->rgvarg, pdp->cArgs*sizeof(VARIANTARG));
 598
 599             V_VT(dp.rgvarg) = VT_DISPATCH;
 600             V_DISPATCH(dp.rgvarg) = (IDispatch*)DISPATCHEX(This);
 601
 602             hres = IDispatch_QueryInterface(V_DISPATCH(var), &IID_IDispatchEx, (void**)&dispex);
 603             TRACE("%s call\n", debugstr_w(This->dynamic_data->props[idx].name));
 604             if(SUCCEEDED(hres)) {
 605                 hres = IDispatchEx_InvokeEx(dispex, DISPID_VALUE, lcid, wFlags, &dp, pvarRes, pei, pspCaller);
 606                 IDispatchEx_Release(dispex);
 607             }else {
 608                 ULONG err = 0;
 609                 hres = IDispatch_Invoke(V_DISPATCH(var), DISPID_VALUE, &IID_NULL, lcid, wFlags, pdp, pvarRes, pei, &err);
 610             }
 611             TRACE("%s ret %08x\n", debugstr_w(This->dynamic_data->props[idx].name), hres);
 612
 613             heap_free(dp.rgvarg);
 614             return hres;
 615         }
 616         case INVOKE_PROPERTYGET:
 617             return VariantCopy(pvarRes, var);
 618         case INVOKE_PROPERTYPUT:
 619             VariantClear(var);
 620             return VariantCopy(var, pdp->rgvarg);
 621         default:
 622             FIXME("unhandled wFlags %x\n", wFlags);
 623             return E_NOTIMPL;
 624         }
 625     }
 626
 627     data = get_dispex_data(This);
 628     if(!data)
 629         return E_FAIL;
 630
 631     min = 0;
 632     max = data->func_cnt-1;
 633
 634     while(min <= max) {
 635         n = (min+max)/2;
 636
 637         if(data->funcs[n].id == id)
 638             break;
 639
 640         if(data->funcs[n].id < id)
 641             min = n+1;
 642         else
 643             max = n-1;
 644     }
 645
 646     if(min > max) {
 647         WARN("invalid id %x\n", id);
 648         return DISP_E_UNKNOWNNAME;
 649     }
 650
 651     hres = get_typeinfo(data->funcs[n].tid, &ti);
 652     if(FAILED(hres)) {
 653         ERR("Could not get type info: %08x\n", hres);
 654         return hres;
 655     }
 656
 657     hres = IUnknown_QueryInterface(This->outer, tid_ids[data->funcs[n].tid], (void**)&unk);
 658     if(FAILED(hres)) {
 659         ERR("Could not get iface %s: %08x\n", debugstr_guid(tid_ids[data->funcs[n].tid]), hres);
 660         return E_FAIL;
 661     }
 662
 663     hres = ITypeInfo_Invoke(ti, unk, id, wFlags, pdp, pvarRes, pei, &argerr);
 664
 665     IUnknown_Release(unk);
 666     return hres;
 667 }
 668
 669 static HRESULT WINAPI DispatchEx_DeleteMemberByName(IDispatchEx *iface, BSTR bstrName, DWORD grfdex)
 670 {
 671     DispatchEx *This = DISPATCHEX_THIS(iface);
 672     FIXME("(%p)->(%s %x)\n", This, debugstr_w(bstrName), grfdex);
 673     return E_NOTIMPL;
 674 }
 675
 676 static HRESULT WINAPI DispatchEx_DeleteMemberByDispID(IDispatchEx *iface, DISPID id)
 677 {
 678     DispatchEx *This = DISPATCHEX_THIS(iface);
 679     FIXME("(%p)->(%x)\n", This, id);
 680     return E_NOTIMPL;
 681 }
 682
 683 static HRESULT WINAPI DispatchEx_GetMemberProperties(IDispatchEx *iface, DISPID id, DWORD grfdexFetch, DWORD *pgrfdex)
 684 {
 685     DispatchEx *This = DISPATCHEX_THIS(iface);
 686     FIXME("(%p)->(%x %x %p)\n", This, id, grfdexFetch, pgrfdex);
 687     return E_NOTIMPL;
 688 }
 689
 690 static HRESULT WINAPI DispatchEx_GetMemberName(IDispatchEx *iface, DISPID id, BSTR *pbstrName)
 691 {
 692     DispatchEx *This = DISPATCHEX_THIS(iface);
 693     FIXME("(%p)->(%x %p)\n", This, id, pbstrName);
 694     return E_NOTIMPL;
 695 }
 696
 697 static HRESULT WINAPI DispatchEx_GetNextDispID(IDispatchEx *iface, DWORD grfdex, DISPID id, DISPID *pid)
 698 {
 699     DispatchEx *This = DISPATCHEX_THIS(iface);
 700     FIXME("(%p)->(%x %x %p)\n", This, grfdex, id, pid);
 701     return E_NOTIMPL;
 702 }
 703
 704 static HRESULT WINAPI DispatchEx_GetNameSpaceParent(IDispatchEx *iface, IUnknown **ppunk)
 705 {
 706     DispatchEx *This = DISPATCHEX_THIS(iface);
 707     FIXME("(%p)->(%p)\n", This, ppunk);
 708     return E_NOTIMPL;
 709 }
 710
 711 #undef DISPATCHEX_THIS
 712
 713 static IDispatchExVtbl DispatchExVtbl = {
 714     DispatchEx_QueryInterface,
 715     DispatchEx_AddRef,
 716     DispatchEx_Release,
 717     DispatchEx_GetTypeInfoCount,
 718     DispatchEx_GetTypeInfo,
 719     DispatchEx_GetIDsOfNames,
 720     DispatchEx_Invoke,
 721     DispatchEx_GetDispID,
 722     DispatchEx_InvokeEx,
 723     DispatchEx_DeleteMemberByName,
 724     DispatchEx_DeleteMemberByDispID,
 725     DispatchEx_GetMemberProperties,
 726     DispatchEx_GetMemberName,
 727     DispatchEx_GetNextDispID,
 728     DispatchEx_GetNameSpaceParent
 729 };
 730
 731 BOOL dispex_query_interface(DispatchEx *This, REFIID riid, void **ppv)
 732 {
 733     static const IID IID_UndocumentedScriptIface =
 734         {0x719c3050,0xf9d3,0x11cf,{0xa4,0x93,0x00,0x40,0x05,0x23,0xa8,0xa0}};
 735     static const IID IID_IDispatchJS =
 736         {0x719c3050,0xf9d3,0x11cf,{0xa4,0x93,0x00,0x40,0x05,0x23,0xa8,0xa6}};
 737
 738     if(IsEqualGUID(&IID_IDispatch, riid)) {
 739         TRACE("(%p)->(IID_IDispatch %p)\n", This, ppv);
 740         *ppv = DISPATCHEX(This);
 741     }else if(IsEqualGUID(&IID_IDispatchEx, riid)) {
 742         TRACE("(%p)->(IID_IDispatchEx %p)\n", This, ppv);
 743         *ppv = DISPATCHEX(This);
 744     }else if(IsEqualGUID(&IID_IDispatchJS, riid)) {
 745         TRACE("(%p)->(IID_IDispatchJS %p) returning NULL\n", This, ppv);
 746         *ppv = NULL;
 747     }else if(IsEqualGUID(&IID_UndocumentedScriptIface, riid)) {
 748         TRACE("(%p)->(IID_UndocumentedScriptIface %p) returning NULL\n", This, ppv);
 749         *ppv = NULL;
 750     }else {
 751         return FALSE;
 752     }
 753
 754     if(*ppv)
 755         IUnknown_AddRef((IUnknown*)*ppv);
 756     return TRUE;
 757 }
 758
 759 void init_dispex(DispatchEx *dispex, IUnknown *outer, dispex_static_data_t *data)
 760 {
 761     dispex->lpIDispatchExVtbl = &DispatchExVtbl;
 762     dispex->outer = outer;
 763     dispex->data = data;
 764 }