reactos/dll/win32/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 } dynamic_prop_t;
  56
  57 typedef struct {
  58     DispatchEx dispex;
  59     const IUnknownVtbl *lpIUnknownVtbl;
  60     DispatchEx *obj;
  61     func_info_t *info;
  62 } func_disp_t;
  63
  64 #define FUNCUNKNOWN(x)  ((IUnknown*) &(x)->lpIUnknownVtbl)
  65
  66 struct dispex_dynamic_data_t {
  67     DWORD buf_size;
  68     DWORD prop_cnt;
  69     dynamic_prop_t *props;
  70     func_disp_t **func_disps;
  71 };
  72
  73 #define DISPID_DYNPROP_0    0x50000000
  74 #define DISPID_DYNPROP_MAX  0x5fffffff
  75
  76 #define FDEX_VERSION_MASK 0xf0000000
  77
  78 static ITypeLib *typelib;
  79 static ITypeInfo *typeinfos[LAST_tid];
  80 static struct list dispex_data_list = LIST_INIT(dispex_data_list);
  81
  82 static REFIID tid_ids[] = {
  83     &IID_NULL,
  84     &DIID_DispCEventObj,
  85     &DIID_DispDOMChildrenCollection,
  86     &DIID_DispHTMLAnchorElement,
  87     &DIID_DispHTMLBody,
  88     &DIID_DispHTMLCommentElement,
  89     &DIID_DispHTMLCurrentStyle,
  90     &DIID_DispHTMLDocument,
  91     &DIID_DispHTMLDOMTextNode,
  92     &DIID_DispHTMLElementCollection,
  93     &DIID_DispHTMLGenericElement,
  94     &DIID_DispHTMLIFrame,
  95     &DIID_DispHTMLImg,
  96     &DIID_DispHTMLInputElement,
  97     &DIID_DispHTMLLocation,
  98     &DIID_DispHTMLNavigator,
  99     &DIID_DispHTMLOptionElement,
 100     &DIID_DispHTMLSelectElement,
 101     &DIID_DispHTMLStyle,
 102     &DIID_DispHTMLTable,
 103     &DIID_DispHTMLTableRow,
 104     &DIID_DispHTMLUnknownElement,
 105     &DIID_DispHTMLWindow2,
 106     &IID_IHTMLAnchorElement,
 107     &IID_IHTMLBodyElement,
 108     &IID_IHTMLBodyElement2,
 109     &IID_IHTMLCommentElement,
 110     &IID_IHTMLCurrentStyle,
 111     &IID_IHTMLCurrentStyle2,
 112     &IID_IHTMLCurrentStyle3,
 113     &IID_IHTMLCurrentStyle4,
 114     &IID_IHTMLDocument2,
 115     &IID_IHTMLDocument3,
 116     &IID_IHTMLDocument4,
 117     &IID_IHTMLDocument5,
 118     &IID_IHTMLDOMChildrenCollection,
 119     &IID_IHTMLDOMNode,
 120     &IID_IHTMLDOMNode2,
 121     &IID_IHTMLDOMTextNode,
 122     &IID_IHTMLElement,
 123     &IID_IHTMLElement2,
 124     &IID_IHTMLElement3,
 125     &IID_IHTMLElement4,
 126     &IID_IHTMLElementCollection,
 127     &IID_IHTMLEventObj,
 128     &IID_IHTMLFrameBase,
 129     &IID_IHTMLFrameBase2,
 130     &IID_IHTMLGenericElement,
 131     &IID_IHTMLImageElementFactory,
 132     &IID_IHTMLImgElement,
 133     &IID_IHTMLInputElement,
 134     &IID_IHTMLLocation,
 135     &IID_IHTMLOptionElement,
 136     &IID_IHTMLSelectElement,
 137     &IID_IHTMLStyle,
 138     &IID_IHTMLStyle2,
 139     &IID_IHTMLStyle3,
 140     &IID_IHTMLStyle4,
 141     &IID_IHTMLTable,
 142     &IID_IHTMLTableRow,
 143     &IID_IHTMLTextContainer,
 144     &IID_IHTMLUniqueName,
 145     &IID_IHTMLWindow2,
 146     &IID_IHTMLWindow3,
 147     &IID_IOmNavigator
 148 };
 149
 150 static HRESULT get_typeinfo(tid_t tid, ITypeInfo **typeinfo)
 151 {
 152     HRESULT hres;
 153
 154     if(!typelib) {
 155         ITypeLib *tl;
 156
 157         hres = LoadRegTypeLib(&LIBID_MSHTML, 4, 0, LOCALE_SYSTEM_DEFAULT, &tl);
 158         if(FAILED(hres)) {
 159             ERR("LoadRegTypeLib failed: %08x\n", hres);
 160             return hres;
 161         }
 162
 163         if(InterlockedCompareExchangePointer((void**)&typelib, tl, NULL))
 164             ITypeLib_Release(tl);
 165     }
 166
 167     if(!typeinfos[tid]) {
 168         ITypeInfo *typeinfo;
 169
 170         hres = ITypeLib_GetTypeInfoOfGuid(typelib, tid_ids[tid], &typeinfo);
 171         if(FAILED(hres)) {
 172             ERR("GetTypeInfoOfGuid(%s) failed: %08x\n", debugstr_guid(tid_ids[tid]), hres);
 173             return hres;
 174         }
 175
 176         if(InterlockedCompareExchangePointer((void**)(typeinfos+tid), typeinfo, NULL))
 177             ITypeInfo_Release(typeinfo);
 178     }
 179
 180     *typeinfo = typeinfos[tid];
 181     return S_OK;
 182 }
 183
 184 void release_typelib(void)
 185 {
 186     dispex_data_t *iter;
 187     unsigned i;
 188
 189     while(!list_empty(&dispex_data_list)) {
 190         iter = LIST_ENTRY(list_head(&dispex_data_list), dispex_data_t, entry);
 191         list_remove(&iter->entry);
 192
 193         for(i=0; i < iter->func_cnt; i++)
 194             SysFreeString(iter->funcs[i].name);
 195
 196         heap_free(iter->funcs);
 197         heap_free(iter->name_table);
 198         heap_free(iter);
 199     }
 200
 201     if(!typelib)
 202         return;
 203
 204     for(i=0; i < sizeof(typeinfos)/sizeof(*typeinfos); i++)
 205         if(typeinfos[i])
 206             ITypeInfo_Release(typeinfos[i]);
 207
 208     ITypeLib_Release(typelib);
 209 }
 210
 211 static void add_func_info(dispex_data_t *data, DWORD *size, tid_t tid, const FUNCDESC *desc, ITypeInfo *dti)
 212 {
 213     HRESULT hres;
 214
 215     if(data->func_cnt && data->funcs[data->func_cnt-1].id == desc->memid)
 216         return;
 217
 218     if(data->func_cnt == *size)
 219         data->funcs = heap_realloc(data->funcs, (*size <<= 1)*sizeof(func_info_t));
 220
 221     hres = ITypeInfo_GetDocumentation(dti, desc->memid, &data->funcs[data->func_cnt].name, NULL, NULL, NULL);
 222     if(FAILED(hres))
 223         return;
 224
 225     data->funcs[data->func_cnt].id = desc->memid;
 226     data->funcs[data->func_cnt].tid = tid;
 227     data->funcs[data->func_cnt].func_disp_idx = (desc->invkind & DISPATCH_METHOD) ? data->func_disp_cnt++ : -1;
 228
 229     data->func_cnt++;
 230 }
 231
 232 static int dispid_cmp(const void *p1, const void *p2)
 233 {
 234     return ((func_info_t*)p1)->id - ((func_info_t*)p2)->id;
 235 }
 236
 237 static int func_name_cmp(const void *p1, const void *p2)
 238 {
 239     return strcmpiW((*(func_info_t**)p1)->name, (*(func_info_t**)p2)->name);
 240 }
 241
 242 static dispex_data_t *preprocess_dispex_data(DispatchEx *This)
 243 {
 244     const tid_t *tid = This->data->iface_tids;
 245     FUNCDESC *funcdesc;
 246     dispex_data_t *data;
 247     DWORD size = 16, i;
 248     ITypeInfo *ti, *dti;
 249     HRESULT hres;
 250
 251     TRACE("(%p)\n", This);
 252
 253     if(This->data->disp_tid) {
 254         hres = get_typeinfo(This->data->disp_tid, &dti);
 255         if(FAILED(hres)) {
 256             ERR("Could not get disp type info: %08x\n", hres);
 257             return NULL;
 258         }
 259     }
 260
 261     data = heap_alloc(sizeof(dispex_data_t));
 262     data->func_cnt = 0;
 263     data->func_disp_cnt = 0;
 264     data->funcs = heap_alloc(size*sizeof(func_info_t));
 265     list_add_tail(&dispex_data_list, &data->entry);
 266
 267     while(*tid) {
 268         hres = get_typeinfo(*tid, &ti);
 269         if(FAILED(hres))
 270             break;
 271
 272         i=7;
 273         while(1) {
 274             hres = ITypeInfo_GetFuncDesc(ti, i++, &funcdesc);
 275             if(FAILED(hres))
 276                 break;
 277
 278             add_func_info(data, &size, *tid, funcdesc, dti);
 279             ITypeInfo_ReleaseFuncDesc(ti, funcdesc);
 280         }
 281
 282         tid++;
 283     }
 284
 285     if(!data->func_cnt) {
 286         heap_free(data->funcs);
 287         data->funcs = NULL;
 288     }else if(data->func_cnt != size) {
 289         data->funcs = heap_realloc(data->funcs, data->func_cnt * sizeof(func_info_t));
 290     }
 291
 292     qsort(data->funcs, data->func_cnt, sizeof(func_info_t), dispid_cmp);
 293
 294     if(data->funcs) {
 295         data->name_table = heap_alloc(data->func_cnt * sizeof(func_info_t*));
 296         for(i=0; i < data->func_cnt; i++)
 297             data->name_table[i] = data->funcs+i;
 298         qsort(data->name_table, data->func_cnt, sizeof(func_info_t*), func_name_cmp);
 299     }else {
 300         data->name_table = NULL;
 301     }
 302
 303     return data;
 304 }
 305
 306 static CRITICAL_SECTION cs_dispex_static_data;
 307 static CRITICAL_SECTION_DEBUG cs_dispex_static_data_dbg =
 308 {
 309     0, 0, &cs_dispex_static_data,
 310     { &cs_dispex_static_data_dbg.ProcessLocksList, &cs_dispex_static_data_dbg.ProcessLocksList },
 311       0, 0, { (DWORD_PTR)(__FILE__ ": dispex_static_data") }
 312 };
 313 static CRITICAL_SECTION cs_dispex_static_data = { &cs_dispex_static_data_dbg, -1, 0, 0, 0, 0 };
 314
 315
 316 static dispex_data_t *get_dispex_data(DispatchEx *This)
 317 {
 318     if(This->data->data)
 319         return This->data->data;
 320
 321     EnterCriticalSection(&cs_dispex_static_data);
 322
 323     if(!This->data->data)
 324         This->data->data = preprocess_dispex_data(This);
 325
 326     LeaveCriticalSection(&cs_dispex_static_data);
 327
 328     return This->data->data;
 329 }
 330
 331 HRESULT call_disp_func(IDispatch *disp, DISPPARAMS *dp)
 332 {
 333     EXCEPINFO ei;
 334     IDispatchEx *dispex;
 335     VARIANT res;
 336     HRESULT hres;
 337
 338     hres = IDispatch_QueryInterface(disp, &IID_IDispatchEx, (void**)&dispex);
 339     if(FAILED(hres)) {
 340         FIXME("Could not get IDispatchEx interface: %08x\n", hres);
 341         return hres;
 342     }
 343
 344     VariantInit(&res);
 345     memset(&ei, 0, sizeof(ei));
 346
 347     hres = IDispatchEx_InvokeEx(dispex, 0, GetUserDefaultLCID(), DISPATCH_METHOD, dp, &res, &ei, NULL);
 348
 349     IDispatchEx_Release(dispex);
 350     VariantClear(&res);
 351     return hres;
 352 }
 353
 354 static inline BOOL is_custom_dispid(DISPID id)
 355 {
 356     return MSHTML_DISPID_CUSTOM_MIN <= id && id <= MSHTML_DISPID_CUSTOM_MAX;
 357 }
 358
 359 static inline BOOL is_dynamic_dispid(DISPID id)
 360 {
 361     return DISPID_DYNPROP_0 <= id && id <= DISPID_DYNPROP_MAX;
 362 }
 363
 364 static inline dispex_dynamic_data_t *get_dynamic_data(DispatchEx *This, BOOL alloc)
 365 {
 366     return !alloc || This->dynamic_data
 367         ? This->dynamic_data
 368         : (This->dynamic_data = heap_alloc_zero(sizeof(dispex_dynamic_data_t)));
 369 }
 370
 371 static HRESULT get_dynamic_prop(DispatchEx *This, const WCHAR *name, DWORD flags, dynamic_prop_t **ret)
 372 {
 373     const BOOL alloc = flags & fdexNameEnsure;
 374     dispex_dynamic_data_t *data;
 375     unsigned i;
 376
 377     data = get_dynamic_data(This, alloc);
 378     if(!data) {
 379         if(alloc)
 380             return E_OUTOFMEMORY;
 381
 382         TRACE("not found %s\n", debugstr_w(name));
 383         return DISP_E_UNKNOWNNAME;
 384     }
 385
 386     for(i=0; i < data->prop_cnt; i++) {
 387         if(flags & fdexNameCaseInsensitive ? !strcmpiW(data->props[i].name, name) : !strcmpW(data->props[i].name, name)) {
 388             *ret = data->props+i;
 389             return S_OK;
 390         }
 391     }
 392
 393     if(!alloc)
 394         return DISP_E_UNKNOWNNAME;
 395
 396     TRACE("creating dynamic prop %s\n", debugstr_w(name));
 397
 398     if(!data->buf_size) {
 399         data->props = heap_alloc(sizeof(dynamic_prop_t)*4);
 400         if(!data->props)
 401             return E_OUTOFMEMORY;
 402         data->buf_size = 4;
 403     }else if(data->buf_size == data->prop_cnt) {
 404         dynamic_prop_t *new_props;
 405
 406         new_props = heap_realloc(data->props, sizeof(dynamic_prop_t)*(data->buf_size<<1));
 407         if(!new_props)
 408             return E_OUTOFMEMORY;
 409
 410         data->props = new_props;
 411         data->buf_size <<= 1;
 412     }
 413
 414     data->props[data->prop_cnt].name = heap_strdupW(name);
 415     VariantInit(&data->props[data->prop_cnt].var);
 416     *ret = data->props + data->prop_cnt++;
 417
 418     return S_OK;
 419 }
 420
 421 HRESULT dispex_get_dprop_ref(DispatchEx *This, const WCHAR *name, BOOL alloc, VARIANT **ret)
 422 {
 423     dynamic_prop_t *prop;
 424     HRESULT hres;
 425
 426     hres = get_dynamic_prop(This, name, alloc ? fdexNameEnsure : 0, &prop);
 427     if(FAILED(hres))
 428         return hres;
 429
 430     *ret = &prop->var;
 431     return S_OK;
 432 }
 433
 434 static HRESULT dispex_value(DispatchEx *This, LCID lcid, WORD flags, DISPPARAMS *params,
 435         VARIANT *res, EXCEPINFO *ei, IServiceProvider *caller)
 436 {
 437     if(This->data->vtbl && This->data->vtbl->value)
 438         return This->data->vtbl->value(This->outer, lcid, flags, params, res, ei, caller);
 439
 440     switch(flags) {
 441     case DISPATCH_PROPERTYGET:
 442         V_VT(res) = VT_BSTR;
 443         V_BSTR(res) = SysAllocString(objectW);
 444         if(!V_BSTR(res))
 445             return E_OUTOFMEMORY;
 446         break;
 447     default:
 448         FIXME("Unimplemented flags %x\n", flags);
 449         return E_NOTIMPL;
 450     }
 451
 452     return S_OK;
 453 }
 454
 455 static HRESULT typeinfo_invoke(DispatchEx *This, func_info_t *func, WORD flags, DISPPARAMS *dp, VARIANT *res,
 456         EXCEPINFO *ei)
 457 {
 458     ITypeInfo *ti;
 459     IUnknown *unk;
 460     UINT argerr=0;
 461     HRESULT hres;
 462
 463     hres = get_typeinfo(func->tid, &ti);
 464     if(FAILED(hres)) {
 465         ERR("Could not get type info: %08x\n", hres);
 466         return hres;
 467     }
 468
 469     hres = IUnknown_QueryInterface(This->outer, tid_ids[func->tid], (void**)&unk);
 470     if(FAILED(hres)) {
 471         ERR("Could not get iface %s: %08x\n", debugstr_guid(tid_ids[func->tid]), hres);
 472         return E_FAIL;
 473     }
 474
 475     hres = ITypeInfo_Invoke(ti, unk, func->id, flags, dp, res, ei, &argerr);
 476
 477     IUnknown_Release(unk);
 478     return hres;
 479 }
 480
 481 #define FUNCTION_THIS(iface) DEFINE_THIS(func_disp_t, IUnknown, iface)
 482
 483 static HRESULT WINAPI Function_QueryInterface(IUnknown *iface, REFIID riid, void **ppv)
 484 {
 485     func_disp_t *This = FUNCTION_THIS(iface);
 486
 487     if(IsEqualGUID(&IID_IUnknown, riid)) {
 488         TRACE("(%p)->(IID_IUnknown %p)\n", This, ppv);
 489         *ppv = FUNCUNKNOWN(This);
 490     }else if(dispex_query_interface(&This->dispex, riid, ppv)) {
 491         return *ppv ? S_OK : E_NOINTERFACE;
 492     }else {
 493         *ppv = NULL;
 494         return E_NOINTERFACE;
 495     }
 496
 497     IUnknown_AddRef((IUnknown*)*ppv);
 498     return S_OK;
 499 }
 500
 501 static ULONG WINAPI Function_AddRef(IUnknown *iface)
 502 {
 503     func_disp_t *This = FUNCTION_THIS(iface);
 504
 505     TRACE("(%p)\n", This);
 506
 507     return IDispatchEx_AddRef(DISPATCHEX(This->obj));
 508 }
 509
 510 static ULONG WINAPI Function_Release(IUnknown *iface)
 511 {
 512     func_disp_t *This = FUNCTION_THIS(iface);
 513
 514     TRACE("(%p)\n", This);
 515
 516     return IDispatchEx_Release(DISPATCHEX(This->obj));
 517 }
 518
 519 static HRESULT function_value(IUnknown *iface, LCID lcid, WORD flags, DISPPARAMS *params,
 520         VARIANT *res, EXCEPINFO *ei, IServiceProvider *caller)
 521 {
 522     func_disp_t *This = FUNCTION_THIS(iface);
 523     HRESULT hres;
 524
 525     switch(flags) {
 526     case DISPATCH_METHOD|DISPATCH_PROPERTYGET:
 527         if(!res)
 528             return E_INVALIDARG;
 529     case DISPATCH_METHOD:
 530         hres = typeinfo_invoke(This->obj, This->info, flags, params, res, ei);
 531         break;
 532     default:
 533         FIXME("Unimplemented flags %x\n", flags);
 534         hres = E_NOTIMPL;
 535     }
 536
 537     return hres;
 538 }
 539
 540 #undef FUNCTION_THIS
 541
 542 static const IUnknownVtbl FunctionUnkVtbl = {
 543     Function_QueryInterface,
 544     Function_AddRef,
 545     Function_Release
 546 };
 547
 548 static const dispex_static_data_vtbl_t function_dispex_vtbl = {
 549     function_value,
 550     NULL,
 551     NULL
 552 };
 553
 554 static const tid_t function_iface_tids[] = {0};
 555
 556 static dispex_static_data_t function_dispex = {
 557     &function_dispex_vtbl,
 558     NULL_tid,
 559     NULL,
 560     function_iface_tids
 561 };
 562
 563 static func_disp_t *create_func_disp(DispatchEx *obj, func_info_t *info)
 564 {
 565     func_disp_t *ret;
 566
 567     ret = heap_alloc_zero(sizeof(func_disp_t));
 568     if(!ret)
 569         return NULL;
 570
 571     ret->lpIUnknownVtbl = &FunctionUnkVtbl;
 572     init_dispex(&ret->dispex, FUNCUNKNOWN(ret),  &function_dispex);
 573     ret->obj = obj;
 574     ret->info = info;
 575
 576     return ret;
 577 }
 578
 579 static HRESULT function_invoke(DispatchEx *This, func_info_t *func, WORD flags, DISPPARAMS *dp, VARIANT *res,
 580         EXCEPINFO *ei)
 581 {
 582     HRESULT hres;
 583
 584     switch(flags) {
 585     case DISPATCH_METHOD|DISPATCH_PROPERTYGET:
 586         if(!res)
 587             return E_INVALIDARG;
 588     case DISPATCH_METHOD:
 589         hres = typeinfo_invoke(This, func, flags, dp, res, ei);
 590         break;
 591     case DISPATCH_PROPERTYGET: {
 592         dispex_dynamic_data_t *dynamic_data;
 593
 594         if(func->id == DISPID_VALUE) {
 595             BSTR ret;
 596
 597             ret = SysAllocString(objectW);
 598             if(!ret)
 599                 return E_OUTOFMEMORY;
 600
 601             V_VT(res) = VT_BSTR;
 602             V_BSTR(res) = ret;
 603             return S_OK;
 604         }
 605
 606         dynamic_data = get_dynamic_data(This, TRUE);
 607         if(!dynamic_data)
 608             return E_OUTOFMEMORY;
 609
 610         if(!dynamic_data->func_disps) {
 611             dynamic_data->func_disps = heap_alloc_zero(This->data->data->func_disp_cnt * sizeof(func_disp_t*));
 612             if(!dynamic_data->func_disps)
 613                 return E_OUTOFMEMORY;
 614         }
 615
 616         if(!dynamic_data->func_disps[func->func_disp_idx]) {
 617             dynamic_data->func_disps[func->func_disp_idx] = create_func_disp(This, func);
 618             if(!dynamic_data->func_disps[func->func_disp_idx])
 619                 return E_OUTOFMEMORY;
 620         }
 621
 622         V_VT(res) = VT_DISPATCH;
 623         V_DISPATCH(res) = (IDispatch*)DISPATCHEX(&dynamic_data->func_disps[func->func_disp_idx]->dispex);
 624         IDispatch_AddRef(V_DISPATCH(res));
 625         hres = S_OK;
 626         break;
 627     }
 628     default:
 629         FIXME("Unimplemented flags %x\n", flags);
 630     case DISPATCH_PROPERTYPUT:
 631         hres = E_NOTIMPL;
 632     }
 633
 634     return hres;
 635 }
 636
 637 static HRESULT get_builtin_func(dispex_data_t *data, DISPID id, func_info_t **ret)
 638 {
 639     int min, max, n;
 640
 641     min = 0;
 642     max = data->func_cnt-1;
 643
 644     while(min <= max) {
 645         n = (min+max)/2;
 646
 647         if(data->funcs[n].id == id) {
 648             *ret = data->funcs+n;
 649             return S_OK;
 650         }
 651
 652         if(data->funcs[n].id < id)
 653             min = n+1;
 654         else
 655             max = n-1;
 656     }
 657
 658     WARN("invalid id %x\n", id);
 659     return DISP_E_UNKNOWNNAME;
 660 }
 661
 662 #define DISPATCHEX_THIS(iface) DEFINE_THIS(DispatchEx, IDispatchEx, iface)
 663
 664 static HRESULT WINAPI DispatchEx_QueryInterface(IDispatchEx *iface, REFIID riid, void **ppv)
 665 {
 666     DispatchEx *This = DISPATCHEX_THIS(iface);
 667
 668     return IUnknown_QueryInterface(This->outer, riid, ppv);
 669 }
 670
 671 static ULONG WINAPI DispatchEx_AddRef(IDispatchEx *iface)
 672 {
 673     DispatchEx *This = DISPATCHEX_THIS(iface);
 674
 675     return IUnknown_AddRef(This->outer);
 676 }
 677
 678 static ULONG WINAPI DispatchEx_Release(IDispatchEx *iface)
 679 {
 680     DispatchEx *This = DISPATCHEX_THIS(iface);
 681
 682     return IUnknown_Release(This->outer);
 683 }
 684
 685 static HRESULT WINAPI DispatchEx_GetTypeInfoCount(IDispatchEx *iface, UINT *pctinfo)
 686 {
 687     DispatchEx *This = DISPATCHEX_THIS(iface);
 688
 689     TRACE("(%p)->(%p)\n", This, pctinfo);
 690
 691     *pctinfo = 1;
 692     return S_OK;
 693 }
 694
 695 static HRESULT WINAPI DispatchEx_GetTypeInfo(IDispatchEx *iface, UINT iTInfo,
 696                                               LCID lcid, ITypeInfo **ppTInfo)
 697 {
 698     DispatchEx *This = DISPATCHEX_THIS(iface);
 699     HRESULT hres;
 700
 701     TRACE("(%p)->(%u %u %p)\n", This, iTInfo, lcid, ppTInfo);
 702
 703     hres = get_typeinfo(This->data->disp_tid, ppTInfo);
 704     if(FAILED(hres))
 705         return hres;
 706
 707     ITypeInfo_AddRef(*ppTInfo);
 708     return S_OK;
 709 }
 710
 711 static HRESULT WINAPI DispatchEx_GetIDsOfNames(IDispatchEx *iface, REFIID riid,
 712                                                 LPOLESTR *rgszNames, UINT cNames,
 713                                                 LCID lcid, DISPID *rgDispId)
 714 {
 715     DispatchEx *This = DISPATCHEX_THIS(iface);
 716     UINT i;
 717     HRESULT hres;
 718
 719     TRACE("(%p)->(%s %p %u %u %p)\n", This, debugstr_guid(riid), rgszNames, cNames,
 720           lcid, rgDispId);
 721
 722     for(i=0; i < cNames; i++) {
 723         hres = IDispatchEx_GetDispID(DISPATCHEX(This), rgszNames[i], 0, rgDispId+i);
 724         if(FAILED(hres))
 725             return hres;
 726     }
 727
 728     return S_OK;
 729 }
 730
 731 static HRESULT WINAPI DispatchEx_Invoke(IDispatchEx *iface, DISPID dispIdMember,
 732                             REFIID riid, LCID lcid, WORD wFlags, DISPPARAMS *pDispParams,
 733                             VARIANT *pVarResult, EXCEPINFO *pExcepInfo, UINT *puArgErr)
 734 {
 735     DispatchEx *This = DISPATCHEX_THIS(iface);
 736
 737     TRACE("(%p)->(%d %s %d %d %p %p %p %p)\n", This, dispIdMember, debugstr_guid(riid),
 738           lcid, wFlags, pDispParams, pVarResult, pExcepInfo, puArgErr);
 739
 740     return IDispatchEx_InvokeEx(DISPATCHEX(This), dispIdMember, lcid, wFlags,
 741                                 pDispParams, pVarResult, pExcepInfo, NULL);
 742 }
 743
 744 static HRESULT WINAPI DispatchEx_GetDispID(IDispatchEx *iface, BSTR bstrName, DWORD grfdex, DISPID *pid)
 745 {
 746     DispatchEx *This = DISPATCHEX_THIS(iface);
 747     dynamic_prop_t *dprop;
 748     dispex_data_t *data;
 749     int min, max, n, c;
 750     HRESULT hres;
 751
 752     TRACE("(%p)->(%s %x %p)\n", This, debugstr_w(bstrName), grfdex, pid);
 753
 754     if(grfdex & ~(fdexNameCaseSensitive|fdexNameCaseInsensitive|fdexNameEnsure|fdexNameImplicit|FDEX_VERSION_MASK))
 755         FIXME("Unsupported grfdex %x\n", grfdex);
 756
 757     data = get_dispex_data(This);
 758     if(!data)
 759         return E_FAIL;
 760
 761     min = 0;
 762     max = data->func_cnt-1;
 763
 764     while(min <= max) {
 765         n = (min+max)/2;
 766
 767         c = strcmpiW(data->name_table[n]->name, bstrName);
 768         if(!c) {
 769             if((grfdex & fdexNameCaseSensitive) && strcmpW(data->name_table[n]->name, bstrName))
 770                 break;
 771
 772             *pid = data->name_table[n]->id;
 773             return S_OK;
 774         }
 775
 776         if(c > 0)
 777             max = n-1;
 778         else
 779             min = n+1;
 780     }
 781
 782     if(This->data->vtbl && This->data->vtbl->get_dispid) {
 783         HRESULT hres;
 784
 785         hres = This->data->vtbl->get_dispid(This->outer, bstrName, grfdex, pid);
 786         if(hres != DISP_E_UNKNOWNNAME)
 787             return hres;
 788     }
 789
 790     hres = get_dynamic_prop(This, bstrName, grfdex, &dprop);
 791     if(FAILED(hres))
 792         return hres;
 793
 794     *pid = DISPID_DYNPROP_0 + (dprop - This->dynamic_data->props);
 795     return S_OK;
 796 }
 797
 798 static HRESULT WINAPI DispatchEx_InvokeEx(IDispatchEx *iface, DISPID id, LCID lcid, WORD wFlags, DISPPARAMS *pdp,
 799         VARIANT *pvarRes, EXCEPINFO *pei, IServiceProvider *pspCaller)
 800 {
 801     DispatchEx *This = DISPATCHEX_THIS(iface);
 802     dispex_data_t *data;
 803     func_info_t *func;
 804     HRESULT hres;
 805
 806     TRACE("(%p)->(%x %x %x %p %p %p %p)\n", This, id, lcid, wFlags, pdp, pvarRes, pei, pspCaller);
 807
 808     if(is_custom_dispid(id) && This->data->vtbl && This->data->vtbl->invoke)
 809         return This->data->vtbl->invoke(This->outer, id, lcid, wFlags, pdp, pvarRes, pei, pspCaller);
 810
 811     if(wFlags == DISPATCH_CONSTRUCT) {
 812         if(id == DISPID_VALUE) {
 813             if(This->data->vtbl && This->data->vtbl->value) {
 814                 return This->data->vtbl->value(This->outer, lcid, wFlags, pdp,
 815                         pvarRes, pei, pspCaller);
 816     }
 817             FIXME("DISPATCH_CONSTRUCT flag but missing value function\n");
 818             return E_FAIL;
 819         }
 820         FIXME("DISPATCH_CONSTRUCT flag without DISPID_VALUE\n");
 821         return E_FAIL;
 822     }
 823
 824     if(is_dynamic_dispid(id)) {
 825         DWORD idx = id - DISPID_DYNPROP_0;
 826         VARIANT *var;
 827
 828         if(!This->dynamic_data || This->dynamic_data->prop_cnt <= idx)
 829             return DISP_E_UNKNOWNNAME;
 830
 831         var = &This->dynamic_data->props[idx].var;
 832
 833         switch(wFlags) {
 834         case DISPATCH_METHOD|DISPATCH_PROPERTYGET:
 835             if(!pvarRes)
 836                 return E_INVALIDARG;
 837         case DISPATCH_METHOD: {
 838             DISPID named_arg = DISPID_THIS;
 839             DISPPARAMS dp = {NULL, &named_arg, 0, 1};
 840             IDispatchEx *dispex;
 841
 842             if(V_VT(var) != VT_DISPATCH) {
 843                 FIXME("invoke vt %d\n", V_VT(var));
 844                 return E_NOTIMPL;
 845             }
 846
 847             if(pdp->cNamedArgs) {
 848                 FIXME("named args not supported\n");
 849                 return E_NOTIMPL;
 850             }
 851
 852             dp.rgvarg = heap_alloc((pdp->cArgs+1)*sizeof(VARIANTARG));
 853             if(!dp.rgvarg)
 854                 return E_OUTOFMEMORY;
 855
 856             dp.cArgs = pdp->cArgs+1;
 857             memcpy(dp.rgvarg+1, pdp->rgvarg, pdp->cArgs*sizeof(VARIANTARG));
 858
 859             V_VT(dp.rgvarg) = VT_DISPATCH;
 860             V_DISPATCH(dp.rgvarg) = (IDispatch*)DISPATCHEX(This);
 861
 862             hres = IDispatch_QueryInterface(V_DISPATCH(var), &IID_IDispatchEx, (void**)&dispex);
 863             TRACE("%s call\n", debugstr_w(This->dynamic_data->props[idx].name));
 864             if(SUCCEEDED(hres)) {
 865                 hres = IDispatchEx_InvokeEx(dispex, DISPID_VALUE, lcid, wFlags, &dp, pvarRes, pei, pspCaller);
 866                 IDispatchEx_Release(dispex);
 867             }else {
 868                 ULONG err = 0;
 869                 hres = IDispatch_Invoke(V_DISPATCH(var), DISPID_VALUE, &IID_NULL, lcid, wFlags, pdp, pvarRes, pei, &err);
 870             }
 871             TRACE("%s ret %08x\n", debugstr_w(This->dynamic_data->props[idx].name), hres);
 872
 873             heap_free(dp.rgvarg);
 874             return hres;
 875         }
 876         case DISPATCH_PROPERTYGET:
 877             return VariantCopy(pvarRes, var);
 878         case DISPATCH_PROPERTYPUT|DISPATCH_PROPERTYPUTREF:
 879         case DISPATCH_PROPERTYPUT:
 880             if(pdp->cArgs != 1 || (pdp->cNamedArgs == 1 && *pdp->rgdispidNamedArgs != DISPID_PROPERTYPUT)
 881                || pdp->cNamedArgs > 1) {
 882                 FIXME("invalid args\n");
 883                 return E_INVALIDARG;
 884             }
 885
 886             TRACE("put %s\n", debugstr_variant(pdp->rgvarg));
 887             VariantClear(var);
 888             return VariantCopy(var, pdp->rgvarg);
 889         default:
 890             FIXME("unhandled wFlags %x\n", wFlags);
 891             return E_NOTIMPL;
 892         }
 893     }
 894
 895     data = get_dispex_data(This);
 896     if(!data)
 897         return E_FAIL;
 898
 899     hres = get_builtin_func(data, id, &func);
 900     if(id == DISPID_VALUE && hres == DISP_E_UNKNOWNNAME)
 901         return dispex_value(This, lcid, wFlags, pdp, pvarRes, pei, pspCaller);
 902     if(FAILED(hres))
 903         return hres;
 904
 905     if(func->func_disp_idx == -1)
 906         hres = typeinfo_invoke(This, func, wFlags, pdp, pvarRes, pei);
 907     else
 908         hres = function_invoke(This, func, wFlags, pdp, pvarRes, pei);
 909
 910     return hres;
 911 }
 912
 913 static HRESULT WINAPI DispatchEx_DeleteMemberByName(IDispatchEx *iface, BSTR bstrName, DWORD grfdex)
 914 {
 915     DispatchEx *This = DISPATCHEX_THIS(iface);
 916     FIXME("(%p)->(%s %x)\n", This, debugstr_w(bstrName), grfdex);
 917     return E_NOTIMPL;
 918 }
 919
 920 static HRESULT WINAPI DispatchEx_DeleteMemberByDispID(IDispatchEx *iface, DISPID id)
 921 {
 922     DispatchEx *This = DISPATCHEX_THIS(iface);
 923     FIXME("(%p)->(%x)\n", This, id);
 924     return E_NOTIMPL;
 925 }
 926
 927 static HRESULT WINAPI DispatchEx_GetMemberProperties(IDispatchEx *iface, DISPID id, DWORD grfdexFetch, DWORD *pgrfdex)
 928 {
 929     DispatchEx *This = DISPATCHEX_THIS(iface);
 930     FIXME("(%p)->(%x %x %p)\n", This, id, grfdexFetch, pgrfdex);
 931     return E_NOTIMPL;
 932 }
 933
 934 static HRESULT WINAPI DispatchEx_GetMemberName(IDispatchEx *iface, DISPID id, BSTR *pbstrName)
 935 {
 936     DispatchEx *This = DISPATCHEX_THIS(iface);
 937     dispex_data_t *data;
 938     func_info_t *func;
 939     HRESULT hres;
 940
 941     TRACE("(%p)->(%x %p)\n", This, id, pbstrName);
 942
 943     if(is_dynamic_dispid(id)) {
 944         DWORD idx = id - DISPID_DYNPROP_0;
 945
 946         if(!This->dynamic_data || This->dynamic_data->prop_cnt <= idx)
 947             return DISP_E_UNKNOWNNAME;
 948
 949         *pbstrName = SysAllocString(This->dynamic_data->props[idx].name);
 950         if(!*pbstrName)
 951             return E_OUTOFMEMORY;
 952
 953         return S_OK;
 954     }
 955
 956     data = get_dispex_data(This);
 957     if(!data)
 958         return E_FAIL;
 959
 960     hres = get_builtin_func(data, id, &func);
 961     if(FAILED(hres))
 962         return hres;
 963
 964     *pbstrName = SysAllocString(func->name);
 965     if(!*pbstrName)
 966         return E_OUTOFMEMORY;
 967     return S_OK;
 968 }
 969
 970 static HRESULT WINAPI DispatchEx_GetNextDispID(IDispatchEx *iface, DWORD grfdex, DISPID id, DISPID *pid)
 971 {
 972     DispatchEx *This = DISPATCHEX_THIS(iface);
 973     dispex_data_t *data;
 974     func_info_t *func;
 975     HRESULT hres;
 976
 977     TRACE("(%p)->(%x %x %p)\n", This, grfdex, id, pid);
 978
 979     if(is_dynamic_dispid(id)) {
 980         DWORD idx = id - DISPID_DYNPROP_0;
 981
 982         if(!This->dynamic_data || This->dynamic_data->prop_cnt <= idx)
 983             return DISP_E_UNKNOWNNAME;
 984
 985         if(idx+1 == This->dynamic_data->prop_cnt) {
 986             *pid = DISPID_STARTENUM;
 987             return S_FALSE;
 988         }
 989
 990         *pid = id+1;
 991         return S_OK;
 992     }
 993
 994     data = get_dispex_data(This);
 995     if(!data)
 996         return E_FAIL;
 997
 998     if(id == DISPID_STARTENUM) {
 999         func = data->funcs;
1000     }else {
1001         hres = get_builtin_func(data, id, &func);
1002         if(FAILED(hres))
1003             return hres;
1004         func++;
1005     }
1006
1007     while(func < data->funcs+data->func_cnt) {
1008         /* FIXME: Skip hidden properties */
1009         if(func->func_disp_idx == -1) {
1010             *pid = func->id;
1011             return S_OK;
1012         }
1013         func++;
1014     }
1015
1016     if(This->dynamic_data && This->dynamic_data->prop_cnt) {
1017         *pid = DISPID_DYNPROP_0;
1018         return S_OK;
1019     }
1020
1021     *pid = DISPID_STARTENUM;
1022     return S_FALSE;
1023 }
1024
1025 static HRESULT WINAPI DispatchEx_GetNameSpaceParent(IDispatchEx *iface, IUnknown **ppunk)
1026 {
1027     DispatchEx *This = DISPATCHEX_THIS(iface);
1028     FIXME("(%p)->(%p)\n", This, ppunk);
1029     return E_NOTIMPL;
1030 }
1031
1032 #undef DISPATCHEX_THIS
1033
1034 static IDispatchExVtbl DispatchExVtbl = {
1035     DispatchEx_QueryInterface,
1036     DispatchEx_AddRef,
1037     DispatchEx_Release,
1038     DispatchEx_GetTypeInfoCount,
1039     DispatchEx_GetTypeInfo,
1040     DispatchEx_GetIDsOfNames,
1041     DispatchEx_Invoke,
1042     DispatchEx_GetDispID,
1043     DispatchEx_InvokeEx,
1044     DispatchEx_DeleteMemberByName,
1045     DispatchEx_DeleteMemberByDispID,
1046     DispatchEx_GetMemberProperties,
1047     DispatchEx_GetMemberName,
1048     DispatchEx_GetNextDispID,
1049     DispatchEx_GetNameSpaceParent
1050 };
1051
1052 BOOL dispex_query_interface(DispatchEx *This, REFIID riid, void **ppv)
1053 {
1054     static const IID IID_UndocumentedScriptIface =
1055         {0x719c3050,0xf9d3,0x11cf,{0xa4,0x93,0x00,0x40,0x05,0x23,0xa8,0xa0}};
1056     static const IID IID_IDispatchJS =
1057         {0x719c3050,0xf9d3,0x11cf,{0xa4,0x93,0x00,0x40,0x05,0x23,0xa8,0xa6}};
1058
1059     if(IsEqualGUID(&IID_IDispatch, riid)) {
1060         TRACE("(%p)->(IID_IDispatch %p)\n", This, ppv);
1061         *ppv = DISPATCHEX(This);
1062     }else if(IsEqualGUID(&IID_IDispatchEx, riid)) {
1063         TRACE("(%p)->(IID_IDispatchEx %p)\n", This, ppv);
1064         *ppv = DISPATCHEX(This);
1065     }else if(IsEqualGUID(&IID_IDispatchJS, riid)) {
1066         TRACE("(%p)->(IID_IDispatchJS %p) returning NULL\n", This, ppv);
1067         *ppv = NULL;
1068     }else if(IsEqualGUID(&IID_UndocumentedScriptIface, riid)) {
1069         TRACE("(%p)->(IID_UndocumentedScriptIface %p) returning NULL\n", This, ppv);
1070         *ppv = NULL;
1071     }else {
1072         return FALSE;
1073     }
1074
1075     if(*ppv)
1076         IUnknown_AddRef((IUnknown*)*ppv);
1077     return TRUE;
1078 }
1079
1080 void release_dispex(DispatchEx *This)
1081 {
1082     dynamic_prop_t *prop;
1083
1084     if(!This->dynamic_data)
1085         return;
1086
1087     for(prop = This->dynamic_data->props; prop < This->dynamic_data->props + This->dynamic_data->prop_cnt; prop++) {
1088         VariantClear(&prop->var);
1089         heap_free(prop->name);
1090     }
1091
1092     heap_free(This->dynamic_data->props);
1093
1094     if(This->dynamic_data->func_disps) {
1095         unsigned i;
1096
1097         for(i=0; i < This->data->data->func_disp_cnt; i++) {
1098             if(This->dynamic_data->func_disps[i]) {
1099                 release_dispex(&This->dynamic_data->func_disps[i]->dispex);
1100                 heap_free(This->dynamic_data->func_disps[i]);
1101             }
1102         }
1103
1104         heap_free(This->dynamic_data->func_disps);
1105     }
1106
1107     heap_free(This->dynamic_data);
1108 }
1109
1110 void init_dispex(DispatchEx *dispex, IUnknown *outer, dispex_static_data_t *data)
1111 {
1112     dispex->lpIDispatchExVtbl = &DispatchExVtbl;
1113     dispex->outer = outer;
1114     dispex->data = data;
1115     dispex->dynamic_data = NULL;
1116 }