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