dlls/mshtml/dispex.c

   1 /*
   2  * Copyright 2008-2009 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 static const WCHAR objectW[] = {'[','o','b','j','e','c','t',']',0};
  35
  36 typedef struct {
  37     DISPID id;
  38     BSTR name;
  39     tid_t tid;
  40     int func_disp_idx;
  41 } func_info_t;
  42
  43 struct dispex_data_t {
  44     DWORD func_cnt;
  45     func_info_t *funcs;
  46     func_info_t **name_table;
  47     DWORD func_disp_cnt;
  48
  49     struct list entry;
  50 };
  51
  52 typedef struct {
  53     VARIANT var;
  54     LPWSTR name;
  55     DWORD flags;
  56 } dynamic_prop_t;
  57
  58 #define DYNPROP_DELETED    0x01
  59
  60 typedef struct {
  61     DispatchEx dispex;
  62     IUnknown IUnknown_iface;
  63     DispatchEx *obj;
  64     func_info_t *info;
  65 } func_disp_t;
  66
  67 struct dispex_dynamic_data_t {
  68     DWORD buf_size;
  69     DWORD prop_cnt;
  70     dynamic_prop_t *props;
  71     func_disp_t **func_disps;
  72 };
  73
  74 #define DISPID_DYNPROP_0    0x50000000
  75 #define DISPID_DYNPROP_MAX  0x5fffffff
  76
  77 #define FDEX_VERSION_MASK 0xf0000000
  78
  79 static ITypeLib *typelib;
  80 static ITypeInfo *typeinfos[LAST_tid];
  81 static struct list dispex_data_list = LIST_INIT(dispex_data_list);
  82
  83 static REFIID tid_ids[] = {
  84 #define XIID(iface) &IID_ ## iface,
  85 #define XDIID(iface) &DIID_ ## iface,
  86 TID_LIST
  87 #undef XIID
  88 #undef XDIID
  89 };
  90
  91 static HRESULT load_typelib(void)
  92 {
  93     HRESULT hres;
  94     ITypeLib *tl;
  95
  96     hres = LoadRegTypeLib(&LIBID_MSHTML, 4, 0, LOCALE_SYSTEM_DEFAULT, &tl);
  97     if(FAILED(hres)) {
  98         ERR("LoadRegTypeLib failed: %08x\n", hres);
  99         return hres;
 100     }
 101
 102     if(InterlockedCompareExchangePointer((void**)&typelib, tl, NULL))
 103         ITypeLib_Release(tl);
 104     return hres;
 105 }
 106
 107 static HRESULT get_typeinfo(tid_t tid, ITypeInfo **typeinfo)
 108 {
 109     HRESULT hres;
 110
 111     if (!typelib)
 112         hres = load_typelib();
 113     if (!typelib)
 114         return hres;
 115
 116     if(!typeinfos[tid]) {
 117         ITypeInfo *ti;
 118
 119         hres = ITypeLib_GetTypeInfoOfGuid(typelib, tid_ids[tid], &ti);
 120         if(FAILED(hres)) {
 121             ERR("GetTypeInfoOfGuid(%s) failed: %08x\n", debugstr_guid(tid_ids[tid]), hres);
 122             return hres;
 123         }
 124
 125         if(InterlockedCompareExchangePointer((void**)(typeinfos+tid), ti, NULL))
 126             ITypeInfo_Release(ti);
 127     }
 128
 129     *typeinfo = typeinfos[tid];
 130     return S_OK;
 131 }
 132
 133 void release_typelib(void)
 134 {
 135     dispex_data_t *iter;
 136     unsigned i;
 137
 138     while(!list_empty(&dispex_data_list)) {
 139         iter = LIST_ENTRY(list_head(&dispex_data_list), dispex_data_t, entry);
 140         list_remove(&iter->entry);
 141
 142         for(i=0; i < iter->func_cnt; i++)
 143             SysFreeString(iter->funcs[i].name);
 144
 145         heap_free(iter->funcs);
 146         heap_free(iter->name_table);
 147         heap_free(iter);
 148     }
 149
 150     if(!typelib)
 151         return;
 152
 153     for(i=0; i < sizeof(typeinfos)/sizeof(*typeinfos); i++)
 154         if(typeinfos[i])
 155             ITypeInfo_Release(typeinfos[i]);
 156
 157     ITypeLib_Release(typelib);
 158 }
 159
 160 HRESULT get_htmldoc_classinfo(ITypeInfo **typeinfo)
 161 {
 162     HRESULT hres;
 163
 164     if (!typelib)
 165         hres = load_typelib();
 166     if (!typelib)
 167         return hres;
 168
 169     hres = ITypeLib_GetTypeInfoOfGuid(typelib, &CLSID_HTMLDocument, typeinfo);
 170     if(FAILED(hres))
 171         ERR("GetTypeInfoOfGuid failed: %08x\n", hres);
 172     return hres;
 173 }
 174
 175 static void add_func_info(dispex_data_t *data, DWORD *size, tid_t tid, const FUNCDESC *desc, ITypeInfo *dti)
 176 {
 177     HRESULT hres;
 178
 179     if(data->func_cnt && data->funcs[data->func_cnt-1].id == desc->memid)
 180         return;
 181
 182     if(data->func_cnt == *size)
 183         data->funcs = heap_realloc(data->funcs, (*size <<= 1)*sizeof(func_info_t));
 184
 185     hres = ITypeInfo_GetDocumentation(dti, desc->memid, &data->funcs[data->func_cnt].name, NULL, NULL, NULL);
 186     if(FAILED(hres))
 187         return;
 188
 189     data->funcs[data->func_cnt].id = desc->memid;
 190     data->funcs[data->func_cnt].tid = tid;
 191     data->funcs[data->func_cnt].func_disp_idx = (desc->invkind & DISPATCH_METHOD) ? data->func_disp_cnt++ : -1;
 192
 193     data->func_cnt++;
 194 }
 195
 196 static int dispid_cmp(const void *p1, const void *p2)
 197 {
 198     return ((const func_info_t*)p1)->id - ((const func_info_t*)p2)->id;
 199 }
 200
 201 static int func_name_cmp(const void *p1, const void *p2)
 202 {
 203     return strcmpiW((*(func_info_t* const*)p1)->name, (*(func_info_t* const*)p2)->name);
 204 }
 205
 206 static dispex_data_t *preprocess_dispex_data(DispatchEx *This)
 207 {
 208     const tid_t *tid = This->data->iface_tids;
 209     FUNCDESC *funcdesc;
 210     dispex_data_t *data;
 211     DWORD size = 16, i;
 212     ITypeInfo *ti, *dti;
 213     HRESULT hres;
 214
 215     TRACE("(%p)\n", This);
 216
 217     if(This->data->disp_tid) {
 218         hres = get_typeinfo(This->data->disp_tid, &dti);
 219         if(FAILED(hres)) {
 220             ERR("Could not get disp type info: %08x\n", hres);
 221             return NULL;
 222         }
 223     }
 224
 225     data = heap_alloc(sizeof(dispex_data_t));
 226     data->func_cnt = 0;
 227     data->func_disp_cnt = 0;
 228     data->funcs = heap_alloc(size*sizeof(func_info_t));
 229     list_add_tail(&dispex_data_list, &data->entry);
 230
 231     while(*tid) {
 232         hres = get_typeinfo(*tid, &ti);
 233         if(FAILED(hres))
 234             break;
 235
 236         i=7;
 237         while(1) {
 238             hres = ITypeInfo_GetFuncDesc(ti, i++, &funcdesc);
 239             if(FAILED(hres))
 240                 break;
 241
 242             add_func_info(data, &size, *tid, funcdesc, dti);
 243             ITypeInfo_ReleaseFuncDesc(ti, funcdesc);
 244         }
 245
 246         tid++;
 247     }
 248
 249     if(!data->func_cnt) {
 250         heap_free(data->funcs);
 251         data->name_table = NULL;
 252         data->funcs = NULL;
 253         return data;
 254     }
 255
 256
 257     data->funcs = heap_realloc(data->funcs, data->func_cnt * sizeof(func_info_t));
 258     qsort(data->funcs, data->func_cnt, sizeof(func_info_t), dispid_cmp);
 259
 260     data->name_table = heap_alloc(data->func_cnt * sizeof(func_info_t*));
 261     for(i=0; i < data->func_cnt; i++)
 262         data->name_table[i] = data->funcs+i;
 263     qsort(data->name_table, data->func_cnt, sizeof(func_info_t*), func_name_cmp);
 264
 265     return data;
 266 }
 267
 268 static int id_cmp(const void *p1, const void *p2)
 269 {
 270     return *(const DISPID*)p1 - *(const DISPID*)p2;
 271 }
 272
 273 HRESULT get_dispids(tid_t tid, DWORD *ret_size, DISPID **ret)
 274 {
 275     unsigned i, func_cnt;
 276     FUNCDESC *funcdesc;
 277     ITypeInfo *ti;
 278     TYPEATTR *attr;
 279     DISPID *ids;
 280     HRESULT hres;
 281
 282     hres = get_typeinfo(tid, &ti);
 283     if(FAILED(hres))
 284         return hres;
 285
 286     hres = ITypeInfo_GetTypeAttr(ti, &attr);
 287     if(FAILED(hres)) {
 288         ITypeInfo_Release(ti);
 289         return hres;
 290     }
 291
 292     func_cnt = attr->cFuncs;
 293     ITypeInfo_ReleaseTypeAttr(ti, attr);
 294
 295     ids = heap_alloc(func_cnt*sizeof(DISPID));
 296     if(!ids) {
 297         ITypeInfo_Release(ti);
 298         return E_OUTOFMEMORY;
 299     }
 300
 301     for(i=0; i < func_cnt; i++) {
 302         hres = ITypeInfo_GetFuncDesc(ti, i, &funcdesc);
 303         if(FAILED(hres))
 304             break;
 305
 306         ids[i] = funcdesc->memid;
 307         ITypeInfo_ReleaseFuncDesc(ti, funcdesc);
 308     }
 309
 310     ITypeInfo_Release(ti);
 311     if(FAILED(hres)) {
 312         heap_free(ids);
 313         return hres;
 314     }
 315
 316     qsort(ids, func_cnt, sizeof(DISPID), id_cmp);
 317
 318     *ret_size = func_cnt;
 319     *ret = ids;
 320     return S_OK;
 321 }
 322
 323 static CRITICAL_SECTION cs_dispex_static_data;
 324 static CRITICAL_SECTION_DEBUG cs_dispex_static_data_dbg =
 325 {
 326     0, 0, &cs_dispex_static_data,
 327     { &cs_dispex_static_data_dbg.ProcessLocksList, &cs_dispex_static_data_dbg.ProcessLocksList },
 328       0, 0, { (DWORD_PTR)(__FILE__ ": dispex_static_data") }
 329 };
 330 static CRITICAL_SECTION cs_dispex_static_data = { &cs_dispex_static_data_dbg, -1, 0, 0, 0, 0 };
 331
 332
 333 static dispex_data_t *get_dispex_data(DispatchEx *This)
 334 {
 335     if(This->data->data)
 336         return This->data->data;
 337
 338     EnterCriticalSection(&cs_dispex_static_data);
 339
 340     if(!This->data->data)
 341         This->data->data = preprocess_dispex_data(This);
 342
 343     LeaveCriticalSection(&cs_dispex_static_data);
 344
 345     return This->data->data;
 346 }
 347
 348 static inline BOOL is_custom_dispid(DISPID id)
 349 {
 350     return MSHTML_DISPID_CUSTOM_MIN <= id && id <= MSHTML_DISPID_CUSTOM_MAX;
 351 }
 352
 353 static inline BOOL is_dynamic_dispid(DISPID id)
 354 {
 355     return DISPID_DYNPROP_0 <= id && id <= DISPID_DYNPROP_MAX;
 356 }
 357
 358 static HRESULT variant_copy(VARIANT *dest, VARIANT *src)
 359 {
 360     if(V_VT(src) == VT_BSTR && !V_BSTR(src)) {
 361         V_VT(dest) = VT_BSTR;
 362         V_BSTR(dest) = NULL;
 363         return S_OK;
 364     }
 365
 366     return VariantCopy(dest, src);
 367 }
 368
 369 static inline dispex_dynamic_data_t *get_dynamic_data(DispatchEx *This)
 370 {
 371     if(This->dynamic_data)
 372         return This->dynamic_data;
 373
 374     This->dynamic_data = heap_alloc_zero(sizeof(dispex_dynamic_data_t));
 375     if(!This->dynamic_data)
 376         return NULL;
 377
 378     if(This->data->vtbl && This->data->vtbl->populate_props)
 379         This->data->vtbl->populate_props(This);
 380
 381     return This->dynamic_data;
 382 }
 383
 384 static HRESULT get_dynamic_prop(DispatchEx *This, const WCHAR *name, DWORD flags, dynamic_prop_t **ret)
 385 {
 386     const BOOL alloc = flags & fdexNameEnsure;
 387     dispex_dynamic_data_t *data;
 388     dynamic_prop_t *prop;
 389
 390     data = get_dynamic_data(This);
 391     if(!data)
 392         return E_OUTOFMEMORY;
 393
 394     for(prop = data->props; prop < data->props+data->prop_cnt; prop++) {
 395         if(flags & fdexNameCaseInsensitive ? !strcmpiW(prop->name, name) : !strcmpW(prop->name, name)) {
 396             if(prop->flags & DYNPROP_DELETED) {
 397                 if(!alloc)
 398                     return DISP_E_UNKNOWNNAME;
 399                 prop->flags &= ~DYNPROP_DELETED;
 400             }
 401             *ret = prop;
 402             return S_OK;
 403         }
 404     }
 405
 406     if(!alloc)
 407         return DISP_E_UNKNOWNNAME;
 408
 409     TRACE("creating dynamic prop %s\n", debugstr_w(name));
 410
 411     if(!data->buf_size) {
 412         data->props = heap_alloc(sizeof(dynamic_prop_t)*4);
 413         if(!data->props)
 414             return E_OUTOFMEMORY;
 415         data->buf_size = 4;
 416     }else if(data->buf_size == data->prop_cnt) {
 417         dynamic_prop_t *new_props;
 418
 419         new_props = heap_realloc(data->props, sizeof(dynamic_prop_t)*(data->buf_size<<1));
 420         if(!new_props)
 421             return E_OUTOFMEMORY;
 422
 423         data->props = new_props;
 424         data->buf_size <<= 1;
 425     }
 426
 427     prop = data->props + data->prop_cnt;
 428
 429     prop->name = heap_strdupW(name);
 430     if(!prop->name)
 431         return E_OUTOFMEMORY;
 432
 433     VariantInit(&prop->var);
 434     prop->flags = 0;
 435     data->prop_cnt++;
 436     *ret = prop;
 437     return S_OK;
 438 }
 439
 440 HRESULT dispex_get_dprop_ref(DispatchEx *This, const WCHAR *name, BOOL alloc, VARIANT **ret)
 441 {
 442     dynamic_prop_t *prop;
 443     HRESULT hres;
 444
 445     hres = get_dynamic_prop(This, name, alloc ? fdexNameEnsure : 0, &prop);
 446     if(FAILED(hres))
 447         return hres;
 448
 449     *ret = &prop->var;
 450     return S_OK;
 451 }
 452
 453 static HRESULT dispex_value(DispatchEx *This, LCID lcid, WORD flags, DISPPARAMS *params,
 454         VARIANT *res, EXCEPINFO *ei, IServiceProvider *caller)
 455 {
 456     if(This->data->vtbl && This->data->vtbl->value)
 457         return This->data->vtbl->value(This, lcid, flags, params, res, ei, caller);
 458
 459     switch(flags) {
 460     case DISPATCH_PROPERTYGET:
 461         V_VT(res) = VT_BSTR;
 462         V_BSTR(res) = SysAllocString(objectW);
 463         if(!V_BSTR(res))
 464             return E_OUTOFMEMORY;
 465         break;
 466     default:
 467         FIXME("Unimplemented flags %x\n", flags);
 468         return E_NOTIMPL;
 469     }
 470
 471     return S_OK;
 472 }
 473
 474 static HRESULT typeinfo_invoke(DispatchEx *This, func_info_t *func, WORD flags, DISPPARAMS *dp, VARIANT *res,
 475         EXCEPINFO *ei)
 476 {
 477     ITypeInfo *ti;
 478     IUnknown *unk;
 479     UINT argerr=0;
 480     HRESULT hres;
 481
 482     hres = get_typeinfo(func->tid, &ti);
 483     if(FAILED(hres)) {
 484         ERR("Could not get type info: %08x\n", hres);
 485         return hres;
 486     }
 487
 488     hres = IUnknown_QueryInterface(This->outer, tid_ids[func->tid], (void**)&unk);
 489     if(FAILED(hres)) {
 490         ERR("Could not get iface %s: %08x\n", debugstr_guid(tid_ids[func->tid]), hres);
 491         return E_FAIL;
 492     }
 493
 494     hres = ITypeInfo_Invoke(ti, unk, func->id, flags, dp, res, ei, &argerr);
 495
 496     IUnknown_Release(unk);
 497     return hres;
 498 }
 499
 500 static inline func_disp_t *impl_from_IUnknown(IUnknown *iface)
 501 {
 502     return CONTAINING_RECORD(iface, func_disp_t, IUnknown_iface);
 503 }
 504
 505 static HRESULT WINAPI Function_QueryInterface(IUnknown *iface, REFIID riid, void **ppv)
 506 {
 507     func_disp_t *This = impl_from_IUnknown(iface);
 508
 509     if(IsEqualGUID(&IID_IUnknown, riid)) {
 510         TRACE("(%p)->(IID_IUnknown %p)\n", This, ppv);
 511         *ppv = &This->IUnknown_iface;
 512     }else if(dispex_query_interface(&This->dispex, riid, ppv)) {
 513         return *ppv ? S_OK : E_NOINTERFACE;
 514     }else {
 515         *ppv = NULL;
 516         return E_NOINTERFACE;
 517     }
 518
 519     IUnknown_AddRef((IUnknown*)*ppv);
 520     return S_OK;
 521 }
 522
 523 static ULONG WINAPI Function_AddRef(IUnknown *iface)
 524 {
 525     func_disp_t *This = impl_from_IUnknown(iface);
 526
 527     TRACE("(%p)\n", This);
 528
 529     return IDispatchEx_AddRef(&This->obj->IDispatchEx_iface);
 530 }
 531
 532 static ULONG WINAPI Function_Release(IUnknown *iface)
 533 {
 534     func_disp_t *This = impl_from_IUnknown(iface);
 535
 536     TRACE("(%p)\n", This);
 537
 538     return IDispatchEx_Release(&This->obj->IDispatchEx_iface);
 539 }
 540
 541 static const IUnknownVtbl FunctionUnkVtbl = {
 542     Function_QueryInterface,
 543     Function_AddRef,
 544     Function_Release
 545 };
 546
 547 static inline func_disp_t *impl_from_DispatchEx(DispatchEx *iface)
 548 {
 549     return CONTAINING_RECORD(iface, func_disp_t, dispex);
 550 }
 551
 552 static HRESULT function_value(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *params,
 553         VARIANT *res, EXCEPINFO *ei, IServiceProvider *caller)
 554 {
 555     func_disp_t *This = impl_from_DispatchEx(dispex);
 556     HRESULT hres;
 557
 558     switch(flags) {
 559     case DISPATCH_METHOD|DISPATCH_PROPERTYGET:
 560         if(!res)
 561             return E_INVALIDARG;
 562         /* fall through */
 563     case DISPATCH_METHOD:
 564         hres = typeinfo_invoke(This->obj, This->info, flags, params, res, ei);
 565         break;
 566     default:
 567         FIXME("Unimplemented flags %x\n", flags);
 568         hres = E_NOTIMPL;
 569     }
 570
 571     return hres;
 572 }
 573
 574 static const dispex_static_data_vtbl_t function_dispex_vtbl = {
 575     function_value,
 576     NULL,
 577     NULL,
 578     NULL
 579 };
 580
 581 static const tid_t function_iface_tids[] = {0};
 582
 583 static dispex_static_data_t function_dispex = {
 584     &function_dispex_vtbl,
 585     NULL_tid,
 586     NULL,
 587     function_iface_tids
 588 };
 589
 590 static func_disp_t *create_func_disp(DispatchEx *obj, func_info_t *info)
 591 {
 592     func_disp_t *ret;
 593
 594     ret = heap_alloc_zero(sizeof(func_disp_t));
 595     if(!ret)
 596         return NULL;
 597
 598     ret->IUnknown_iface.lpVtbl = &FunctionUnkVtbl;
 599     init_dispex(&ret->dispex, &ret->IUnknown_iface,  &function_dispex);
 600     ret->obj = obj;
 601     ret->info = info;
 602
 603     return ret;
 604 }
 605
 606 static HRESULT function_invoke(DispatchEx *This, func_info_t *func, WORD flags, DISPPARAMS *dp, VARIANT *res,
 607         EXCEPINFO *ei)
 608 {
 609     HRESULT hres;
 610
 611     switch(flags) {
 612     case DISPATCH_METHOD|DISPATCH_PROPERTYGET:
 613         if(!res)
 614             return E_INVALIDARG;
 615         /* fall through */
 616     case DISPATCH_METHOD:
 617         hres = typeinfo_invoke(This, func, flags, dp, res, ei);
 618         break;
 619     case DISPATCH_PROPERTYGET: {
 620         dispex_dynamic_data_t *dynamic_data;
 621
 622         if(func->id == DISPID_VALUE) {
 623             BSTR ret;
 624
 625             ret = SysAllocString(objectW);
 626             if(!ret)
 627                 return E_OUTOFMEMORY;
 628
 629             V_VT(res) = VT_BSTR;
 630             V_BSTR(res) = ret;
 631             return S_OK;
 632         }
 633
 634         dynamic_data = get_dynamic_data(This);
 635         if(!dynamic_data)
 636             return E_OUTOFMEMORY;
 637
 638         if(!dynamic_data->func_disps) {
 639             dynamic_data->func_disps = heap_alloc_zero(This->data->data->func_disp_cnt * sizeof(func_disp_t*));
 640             if(!dynamic_data->func_disps)
 641                 return E_OUTOFMEMORY;
 642         }
 643
 644         if(!dynamic_data->func_disps[func->func_disp_idx]) {
 645             dynamic_data->func_disps[func->func_disp_idx] = create_func_disp(This, func);
 646             if(!dynamic_data->func_disps[func->func_disp_idx])
 647                 return E_OUTOFMEMORY;
 648         }
 649
 650         V_VT(res) = VT_DISPATCH;
 651         V_DISPATCH(res) = (IDispatch*)&dynamic_data->func_disps[func->func_disp_idx]->dispex.IDispatchEx_iface;
 652         IDispatch_AddRef(V_DISPATCH(res));
 653         hres = S_OK;
 654         break;
 655     }
 656     default:
 657         FIXME("Unimplemented flags %x\n", flags);
 658         /* fall through */
 659     case DISPATCH_PROPERTYPUT:
 660         hres = E_NOTIMPL;
 661     }
 662
 663     return hres;
 664 }
 665
 666 static HRESULT get_builtin_func(dispex_data_t *data, DISPID id, func_info_t **ret)
 667 {
 668     int min, max, n;
 669
 670     min = 0;
 671     max = data->func_cnt-1;
 672
 673     while(min <= max) {
 674         n = (min+max)/2;
 675
 676         if(data->funcs[n].id == id) {
 677             *ret = data->funcs+n;
 678             return S_OK;
 679         }
 680
 681         if(data->funcs[n].id < id)
 682             min = n+1;
 683         else
 684             max = n-1;
 685     }
 686
 687     WARN("invalid id %x\n", id);
 688     return DISP_E_UNKNOWNNAME;
 689 }
 690
 691 static HRESULT get_builtin_id(DispatchEx *This, BSTR name, DWORD grfdex, DISPID *ret)
 692 {
 693     dispex_data_t *data;
 694     int min, max, n, c;
 695
 696     data = get_dispex_data(This);
 697     if(!data)
 698         return E_FAIL;
 699
 700     min = 0;
 701     max = data->func_cnt-1;
 702
 703     while(min <= max) {
 704         n = (min+max)/2;
 705
 706         c = strcmpiW(data->name_table[n]->name, name);
 707         if(!c) {
 708             if((grfdex & fdexNameCaseSensitive) && strcmpW(data->name_table[n]->name, name))
 709                 break;
 710
 711             *ret = data->name_table[n]->id;
 712             return S_OK;
 713         }
 714
 715         if(c > 0)
 716             max = n-1;
 717         else
 718             min = n+1;
 719     }
 720
 721     if(This->data->vtbl && This->data->vtbl->get_dispid) {
 722         HRESULT hres;
 723
 724         hres = This->data->vtbl->get_dispid(This, name, grfdex, ret);
 725         if(hres != DISP_E_UNKNOWNNAME)
 726             return hres;
 727     }
 728
 729     return DISP_E_UNKNOWNNAME;
 730 }
 731
 732 static HRESULT invoke_builtin_prop(DispatchEx *This, DISPID id, LCID lcid, WORD flags, DISPPARAMS *dp,
 733         VARIANT *res, EXCEPINFO *ei, IServiceProvider *caller)
 734 {
 735     dispex_data_t *data;
 736     func_info_t *func;
 737     HRESULT hres;
 738
 739     data = get_dispex_data(This);
 740     if(!data)
 741         return E_FAIL;
 742
 743     hres = get_builtin_func(data, id, &func);
 744     if(id == DISPID_VALUE && hres == DISP_E_UNKNOWNNAME)
 745         return dispex_value(This, lcid, flags, dp, res, ei, caller);
 746     if(FAILED(hres))
 747         return hres;
 748
 749     if(func->func_disp_idx == -1)
 750         hres = typeinfo_invoke(This, func, flags, dp, res, ei);
 751     else
 752         hres = function_invoke(This, func, flags, dp, res, ei);
 753
 754     return hres;
 755 }
 756
 757 HRESULT remove_prop(DispatchEx *This, BSTR name, VARIANT_BOOL *success)
 758 {
 759     dynamic_prop_t *prop;
 760     DISPID id;
 761     HRESULT hres;
 762
 763     hres = get_builtin_id(This, name, 0, &id);
 764     if(hres == S_OK) {
 765         DISPID named_id = DISPID_PROPERTYPUT;
 766         VARIANT var;
 767         DISPPARAMS dp = {&var,&named_id,1,1};
 768         EXCEPINFO ei;
 769
 770         V_VT(&var) = VT_EMPTY;
 771         memset(&ei, 0, sizeof(ei));
 772         hres = invoke_builtin_prop(This, id, 0, DISPATCH_PROPERTYPUT, &dp, NULL, &ei, NULL);
 773         if(FAILED(hres))
 774             return hres;
 775
 776         *success = VARIANT_TRUE;
 777         return S_OK;
 778     }
 779
 780     hres = get_dynamic_prop(This, name, 0, &prop);
 781     if(FAILED(hres)) {
 782         if(hres != DISP_E_UNKNOWNNAME)
 783             return hres;
 784         *success = VARIANT_FALSE;
 785         return S_OK;
 786     }
 787
 788     VariantClear(&prop->var);
 789     prop->flags |= DYNPROP_DELETED;
 790     *success = VARIANT_TRUE;
 791     return S_OK;
 792 }
 793
 794 static inline DispatchEx *impl_from_IDispatchEx(IDispatchEx *iface)
 795 {
 796     return CONTAINING_RECORD(iface, DispatchEx, IDispatchEx_iface);
 797 }
 798
 799 static HRESULT WINAPI DispatchEx_QueryInterface(IDispatchEx *iface, REFIID riid, void **ppv)
 800 {
 801     DispatchEx *This = impl_from_IDispatchEx(iface);
 802
 803     return IUnknown_QueryInterface(This->outer, riid, ppv);
 804 }
 805
 806 static ULONG WINAPI DispatchEx_AddRef(IDispatchEx *iface)
 807 {
 808     DispatchEx *This = impl_from_IDispatchEx(iface);
 809
 810     return IUnknown_AddRef(This->outer);
 811 }
 812
 813 static ULONG WINAPI DispatchEx_Release(IDispatchEx *iface)
 814 {
 815     DispatchEx *This = impl_from_IDispatchEx(iface);
 816
 817     return IUnknown_Release(This->outer);
 818 }
 819
 820 static HRESULT WINAPI DispatchEx_GetTypeInfoCount(IDispatchEx *iface, UINT *pctinfo)
 821 {
 822     DispatchEx *This = impl_from_IDispatchEx(iface);
 823
 824     TRACE("(%p)->(%p)\n", This, pctinfo);
 825
 826     *pctinfo = 1;
 827     return S_OK;
 828 }
 829
 830 static HRESULT WINAPI DispatchEx_GetTypeInfo(IDispatchEx *iface, UINT iTInfo,
 831                                               LCID lcid, ITypeInfo **ppTInfo)
 832 {
 833     DispatchEx *This = impl_from_IDispatchEx(iface);
 834     HRESULT hres;
 835
 836     TRACE("(%p)->(%u %u %p)\n", This, iTInfo, lcid, ppTInfo);
 837
 838     hres = get_typeinfo(This->data->disp_tid, ppTInfo);
 839     if(FAILED(hres))
 840         return hres;
 841
 842     ITypeInfo_AddRef(*ppTInfo);
 843     return S_OK;
 844 }
 845
 846 static HRESULT WINAPI DispatchEx_GetIDsOfNames(IDispatchEx *iface, REFIID riid,
 847                                                 LPOLESTR *rgszNames, UINT cNames,
 848                                                 LCID lcid, DISPID *rgDispId)
 849 {
 850     DispatchEx *This = impl_from_IDispatchEx(iface);
 851     UINT i;
 852     HRESULT hres;
 853
 854     TRACE("(%p)->(%s %p %u %u %p)\n", This, debugstr_guid(riid), rgszNames, cNames,
 855           lcid, rgDispId);
 856
 857     for(i=0; i < cNames; i++) {
 858         hres = IDispatchEx_GetDispID(&This->IDispatchEx_iface, rgszNames[i], 0, rgDispId+i);
 859         if(FAILED(hres))
 860             return hres;
 861     }
 862
 863     return S_OK;
 864 }
 865
 866 static HRESULT WINAPI DispatchEx_Invoke(IDispatchEx *iface, DISPID dispIdMember,
 867                             REFIID riid, LCID lcid, WORD wFlags, DISPPARAMS *pDispParams,
 868                             VARIANT *pVarResult, EXCEPINFO *pExcepInfo, UINT *puArgErr)
 869 {
 870     DispatchEx *This = impl_from_IDispatchEx(iface);
 871
 872     TRACE("(%p)->(%d %s %d %d %p %p %p %p)\n", This, dispIdMember, debugstr_guid(riid),
 873           lcid, wFlags, pDispParams, pVarResult, pExcepInfo, puArgErr);
 874
 875     return IDispatchEx_InvokeEx(&This->IDispatchEx_iface, dispIdMember, lcid, wFlags, pDispParams,
 876             pVarResult, pExcepInfo, NULL);
 877 }
 878
 879 static HRESULT WINAPI DispatchEx_GetDispID(IDispatchEx *iface, BSTR bstrName, DWORD grfdex, DISPID *pid)
 880 {
 881     DispatchEx *This = impl_from_IDispatchEx(iface);
 882     dynamic_prop_t *dprop;
 883     HRESULT hres;
 884
 885     TRACE("(%p)->(%s %x %p)\n", This, debugstr_w(bstrName), grfdex, pid);
 886
 887     if(grfdex & ~(fdexNameCaseSensitive|fdexNameCaseInsensitive|fdexNameEnsure|fdexNameImplicit|FDEX_VERSION_MASK))
 888         FIXME("Unsupported grfdex %x\n", grfdex);
 889
 890     hres = get_builtin_id(This, bstrName, grfdex, pid);
 891     if(hres != DISP_E_UNKNOWNNAME)
 892         return hres;
 893
 894     hres = get_dynamic_prop(This, bstrName, grfdex, &dprop);
 895     if(FAILED(hres))
 896         return hres;
 897
 898     *pid = DISPID_DYNPROP_0 + (dprop - This->dynamic_data->props);
 899     return S_OK;
 900 }
 901
 902 static HRESULT WINAPI DispatchEx_InvokeEx(IDispatchEx *iface, DISPID id, LCID lcid, WORD wFlags, DISPPARAMS *pdp,
 903         VARIANT *pvarRes, EXCEPINFO *pei, IServiceProvider *pspCaller)
 904 {
 905     DispatchEx *This = impl_from_IDispatchEx(iface);
 906     HRESULT hres;
 907
 908     TRACE("(%p)->(%x %x %x %p %p %p %p)\n", This, id, lcid, wFlags, pdp, pvarRes, pei, pspCaller);
 909
 910     if(is_custom_dispid(id) && This->data->vtbl && This->data->vtbl->invoke)
 911         return This->data->vtbl->invoke(This, id, lcid, wFlags, pdp, pvarRes, pei, pspCaller);
 912
 913     if(wFlags == DISPATCH_CONSTRUCT) {
 914         if(id == DISPID_VALUE) {
 915             if(This->data->vtbl && This->data->vtbl->value) {
 916                 return This->data->vtbl->value(This, lcid, wFlags, pdp, pvarRes, pei, pspCaller);
 917             }
 918             FIXME("DISPATCH_CONSTRUCT flag but missing value function\n");
 919             return E_FAIL;
 920         }
 921         FIXME("DISPATCH_CONSTRUCT flag without DISPID_VALUE\n");
 922         return E_FAIL;
 923     }
 924
 925     if(is_dynamic_dispid(id)) {
 926         DWORD idx = id - DISPID_DYNPROP_0;
 927         dynamic_prop_t *prop;
 928
 929         if(!get_dynamic_data(This) || This->dynamic_data->prop_cnt <= idx)
 930             return DISP_E_UNKNOWNNAME;
 931
 932         prop = This->dynamic_data->props+idx;
 933
 934         switch(wFlags) {
 935         case DISPATCH_METHOD|DISPATCH_PROPERTYGET:
 936             if(!pvarRes)
 937                 return E_INVALIDARG;
 938             /* fall through */
 939         case DISPATCH_METHOD: {
 940             DISPID named_arg = DISPID_THIS;
 941             DISPPARAMS dp = {NULL, &named_arg, 0, 1};
 942             IDispatchEx *dispex;
 943
 944             if(V_VT(&prop->var) != VT_DISPATCH) {
 945                 FIXME("invoke %s\n", debugstr_variant(&prop->var));
 946                 return E_NOTIMPL;
 947             }
 948
 949             if(pdp->cNamedArgs) {
 950                 FIXME("named args not supported\n");
 951                 return E_NOTIMPL;
 952             }
 953
 954             dp.rgvarg = heap_alloc((pdp->cArgs+1)*sizeof(VARIANTARG));
 955             if(!dp.rgvarg)
 956                 return E_OUTOFMEMORY;
 957
 958             dp.cArgs = pdp->cArgs+1;
 959             memcpy(dp.rgvarg+1, pdp->rgvarg, pdp->cArgs*sizeof(VARIANTARG));
 960
 961             V_VT(dp.rgvarg) = VT_DISPATCH;
 962             V_DISPATCH(dp.rgvarg) = (IDispatch*)&This->IDispatchEx_iface;
 963
 964             hres = IDispatch_QueryInterface(V_DISPATCH(&prop->var), &IID_IDispatchEx, (void**)&dispex);
 965             TRACE("%s call\n", debugstr_w(This->dynamic_data->props[idx].name));
 966             if(SUCCEEDED(hres)) {
 967                 hres = IDispatchEx_InvokeEx(dispex, DISPID_VALUE, lcid, wFlags, &dp, pvarRes, pei, pspCaller);
 968                 IDispatchEx_Release(dispex);
 969             }else {
 970                 ULONG err = 0;
 971                 hres = IDispatch_Invoke(V_DISPATCH(&prop->var), DISPID_VALUE, &IID_NULL, lcid, wFlags, pdp, pvarRes, pei, &err);
 972             }
 973             TRACE("%s ret %08x\n", debugstr_w(This->dynamic_data->props[idx].name), hres);
 974
 975             heap_free(dp.rgvarg);
 976             return hres;
 977         }
 978         case DISPATCH_PROPERTYGET:
 979             if(prop->flags & DYNPROP_DELETED)
 980                 return DISP_E_UNKNOWNNAME;
 981             return variant_copy(pvarRes, &prop->var);
 982         case DISPATCH_PROPERTYPUT|DISPATCH_PROPERTYPUTREF:
 983         case DISPATCH_PROPERTYPUT:
 984             if(pdp->cArgs != 1 || (pdp->cNamedArgs == 1 && *pdp->rgdispidNamedArgs != DISPID_PROPERTYPUT)
 985                || pdp->cNamedArgs > 1) {
 986                 FIXME("invalid args\n");
 987                 return E_INVALIDARG;
 988             }
 989
 990             TRACE("put %s\n", debugstr_variant(pdp->rgvarg));
 991             VariantClear(&prop->var);
 992             hres = variant_copy(&prop->var, pdp->rgvarg);
 993             if(FAILED(hres))
 994                 return hres;
 995
 996             prop->flags &= ~DYNPROP_DELETED;
 997             return S_OK;
 998         default:
 999             FIXME("unhandled wFlags %x\n", wFlags);
1000             return E_NOTIMPL;
1001         }
1002     }
1003
1004     return invoke_builtin_prop(This, id, lcid, wFlags, pdp, pvarRes, pei, pspCaller);
1005 }
1006
1007 static HRESULT WINAPI DispatchEx_DeleteMemberByName(IDispatchEx *iface, BSTR bstrName, DWORD grfdex)
1008 {
1009     DispatchEx *This = impl_from_IDispatchEx(iface);
1010
1011     TRACE("(%p)->(%s %x)\n", This, debugstr_w(bstrName), grfdex);
1012
1013     /* Not implemented by IE */
1014     return E_NOTIMPL;
1015 }
1016
1017 static HRESULT WINAPI DispatchEx_DeleteMemberByDispID(IDispatchEx *iface, DISPID id)
1018 {
1019     DispatchEx *This = impl_from_IDispatchEx(iface);
1020
1021     TRACE("(%p)->(%x)\n", This, id);
1022
1023     /* Not implemented by IE */
1024     return E_NOTIMPL;
1025 }
1026
1027 static HRESULT WINAPI DispatchEx_GetMemberProperties(IDispatchEx *iface, DISPID id, DWORD grfdexFetch, DWORD *pgrfdex)
1028 {
1029     DispatchEx *This = impl_from_IDispatchEx(iface);
1030     FIXME("(%p)->(%x %x %p)\n", This, id, grfdexFetch, pgrfdex);
1031     return E_NOTIMPL;
1032 }
1033
1034 static HRESULT WINAPI DispatchEx_GetMemberName(IDispatchEx *iface, DISPID id, BSTR *pbstrName)
1035 {
1036     DispatchEx *This = impl_from_IDispatchEx(iface);
1037     dispex_data_t *data;
1038     func_info_t *func;
1039     HRESULT hres;
1040
1041     TRACE("(%p)->(%x %p)\n", This, id, pbstrName);
1042
1043     if(is_dynamic_dispid(id)) {
1044         DWORD idx = id - DISPID_DYNPROP_0;
1045
1046         if(!get_dynamic_data(This) || This->dynamic_data->prop_cnt <= idx)
1047             return DISP_E_UNKNOWNNAME;
1048
1049         *pbstrName = SysAllocString(This->dynamic_data->props[idx].name);
1050         if(!*pbstrName)
1051             return E_OUTOFMEMORY;
1052
1053         return S_OK;
1054     }
1055
1056     data = get_dispex_data(This);
1057     if(!data)
1058         return E_FAIL;
1059
1060     hres = get_builtin_func(data, id, &func);
1061     if(FAILED(hres))
1062         return hres;
1063
1064     *pbstrName = SysAllocString(func->name);
1065     if(!*pbstrName)
1066         return E_OUTOFMEMORY;
1067     return S_OK;
1068 }
1069
1070 static HRESULT WINAPI DispatchEx_GetNextDispID(IDispatchEx *iface, DWORD grfdex, DISPID id, DISPID *pid)
1071 {
1072     DispatchEx *This = impl_from_IDispatchEx(iface);
1073     dispex_data_t *data;
1074     func_info_t *func;
1075     HRESULT hres;
1076
1077     TRACE("(%p)->(%x %x %p)\n", This, grfdex, id, pid);
1078
1079     if(is_dynamic_dispid(id)) {
1080         DWORD idx = id - DISPID_DYNPROP_0;
1081
1082         if(!get_dynamic_data(This) || This->dynamic_data->prop_cnt <= idx)
1083             return DISP_E_UNKNOWNNAME;
1084
1085         while(++idx < This->dynamic_data->prop_cnt && This->dynamic_data->props[idx].flags & DYNPROP_DELETED);
1086
1087         if(idx == This->dynamic_data->prop_cnt) {
1088             *pid = DISPID_STARTENUM;
1089             return S_FALSE;
1090         }
1091
1092         *pid = DISPID_DYNPROP_0+idx;
1093         return S_OK;
1094     }
1095
1096     data = get_dispex_data(This);
1097     if(!data)
1098         return E_FAIL;
1099
1100     if(id == DISPID_STARTENUM) {
1101         func = data->funcs;
1102     }else {
1103         hres = get_builtin_func(data, id, &func);
1104         if(FAILED(hres))
1105             return hres;
1106         func++;
1107     }
1108
1109     while(func < data->funcs+data->func_cnt) {
1110         /* FIXME: Skip hidden properties */
1111         if(func->func_disp_idx == -1) {
1112             *pid = func->id;
1113             return S_OK;
1114         }
1115         func++;
1116     }
1117
1118     if(get_dynamic_data(This) && This->dynamic_data->prop_cnt) {
1119         *pid = DISPID_DYNPROP_0;
1120         return S_OK;
1121     }
1122
1123     *pid = DISPID_STARTENUM;
1124     return S_FALSE;
1125 }
1126
1127 static HRESULT WINAPI DispatchEx_GetNameSpaceParent(IDispatchEx *iface, IUnknown **ppunk)
1128 {
1129     DispatchEx *This = impl_from_IDispatchEx(iface);
1130     FIXME("(%p)->(%p)\n", This, ppunk);
1131     return E_NOTIMPL;
1132 }
1133
1134 static IDispatchExVtbl DispatchExVtbl = {
1135     DispatchEx_QueryInterface,
1136     DispatchEx_AddRef,
1137     DispatchEx_Release,
1138     DispatchEx_GetTypeInfoCount,
1139     DispatchEx_GetTypeInfo,
1140     DispatchEx_GetIDsOfNames,
1141     DispatchEx_Invoke,
1142     DispatchEx_GetDispID,
1143     DispatchEx_InvokeEx,
1144     DispatchEx_DeleteMemberByName,
1145     DispatchEx_DeleteMemberByDispID,
1146     DispatchEx_GetMemberProperties,
1147     DispatchEx_GetMemberName,
1148     DispatchEx_GetNextDispID,
1149     DispatchEx_GetNameSpaceParent
1150 };
1151
1152 BOOL dispex_query_interface(DispatchEx *This, REFIID riid, void **ppv)
1153 {
1154     static const IID IID_UndocumentedScriptIface =
1155         {0x719c3050,0xf9d3,0x11cf,{0xa4,0x93,0x00,0x40,0x05,0x23,0xa8,0xa0}};
1156     static const IID IID_IDispatchJS =
1157         {0x719c3050,0xf9d3,0x11cf,{0xa4,0x93,0x00,0x40,0x05,0x23,0xa8,0xa6}};
1158
1159     if(IsEqualGUID(&IID_IDispatch, riid)) {
1160         TRACE("(%p)->(IID_IDispatch %p)\n", This, ppv);
1161         *ppv = &This->IDispatchEx_iface;
1162     }else if(IsEqualGUID(&IID_IDispatchEx, riid)) {
1163         TRACE("(%p)->(IID_IDispatchEx %p)\n", This, ppv);
1164         *ppv = &This->IDispatchEx_iface;
1165     }else if(IsEqualGUID(&IID_IDispatchJS, riid)) {
1166         TRACE("(%p)->(IID_IDispatchJS %p) returning NULL\n", This, ppv);
1167         *ppv = NULL;
1168     }else if(IsEqualGUID(&IID_UndocumentedScriptIface, riid)) {
1169         TRACE("(%p)->(IID_UndocumentedScriptIface %p) returning NULL\n", This, ppv);
1170         *ppv = NULL;
1171     }else {
1172         return FALSE;
1173     }
1174
1175     if(*ppv)
1176         IUnknown_AddRef((IUnknown*)*ppv);
1177     return TRUE;
1178 }
1179
1180 void release_dispex(DispatchEx *This)
1181 {
1182     dynamic_prop_t *prop;
1183
1184     if(!This->dynamic_data)
1185         return;
1186
1187     for(prop = This->dynamic_data->props; prop < This->dynamic_data->props + This->dynamic_data->prop_cnt; prop++) {
1188         VariantClear(&prop->var);
1189         heap_free(prop->name);
1190     }
1191
1192     heap_free(This->dynamic_data->props);
1193
1194     if(This->dynamic_data->func_disps) {
1195         unsigned i;
1196
1197         for(i=0; i < This->data->data->func_disp_cnt; i++) {
1198             if(This->dynamic_data->func_disps[i]) {
1199                 release_dispex(&This->dynamic_data->func_disps[i]->dispex);
1200                 heap_free(This->dynamic_data->func_disps[i]);
1201             }
1202         }
1203
1204         heap_free(This->dynamic_data->func_disps);
1205     }
1206
1207     heap_free(This->dynamic_data);
1208 }
1209
1210 void init_dispex(DispatchEx *dispex, IUnknown *outer, dispex_static_data_t *data)
1211 {
1212     dispex->IDispatchEx_iface.lpVtbl = &DispatchExVtbl;
1213     dispex->outer = outer;
1214     dispex->data = data;
1215     dispex->dynamic_data = NULL;
1216 }