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 } 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, BOOL alloc, dynamic_prop_t **ret)
 372 {
 373     dispex_dynamic_data_t *data = get_dynamic_data(This, alloc);
 374     unsigned i;
 375
 376     if(!data) {
 377         if(alloc)
 378             return E_OUTOFMEMORY;
 379
 380         TRACE("not found %s\n", debugstr_w(name));
 381         return DISP_E_UNKNOWNNAME;
 382     }
 383
 384     for(i=0; i < data->prop_cnt; i++) {
 385         if(!strcmpW(data->props[i].name, name)) {
 386             *ret = data->props+i;
 387             return S_OK;
 388         }
 389     }
 390
 391     TRACE("creating dynamic prop %s\n", debugstr_w(name));
 392
 393     if(!data->buf_size) {
 394         data->props = heap_alloc(sizeof(dynamic_prop_t)*4);
 395         if(!data->props)
 396             return E_OUTOFMEMORY;
 397         data->buf_size = 4;
 398     }else if(data->buf_size == data->prop_cnt) {
 399         dynamic_prop_t *new_props;
 400
 401         new_props = heap_realloc(data->props, sizeof(dynamic_prop_t)*(data->buf_size<<1));
 402         if(!new_props)
 403             return E_OUTOFMEMORY;
 404
 405         data->props = new_props;
 406         data->buf_size <<= 1;
 407     }
 408
 409     data->props[data->prop_cnt].name = heap_strdupW(name);
 410     VariantInit(&data->props[data->prop_cnt].var);
 411     *ret = data->props + data->prop_cnt++;
 412
 413     return S_OK;
 414 }
 415
 416 HRESULT dispex_get_dprop_ref(DispatchEx *This, const WCHAR *name, BOOL alloc, VARIANT **ret)
 417 {
 418     dynamic_prop_t *prop;
 419     HRESULT hres;
 420
 421     hres = get_dynamic_prop(This, name, alloc, &prop);
 422     if(FAILED(hres))
 423         return hres;
 424
 425     *ret = &prop->var;
 426     return S_OK;
 427 }
 428
 429 static HRESULT dispex_value(DispatchEx *This, LCID lcid, WORD flags, DISPPARAMS *params,
 430         VARIANT *res, EXCEPINFO *ei, IServiceProvider *caller)
 431 {
 432     if(This->data->vtbl && This->data->vtbl->value)
 433         return This->data->vtbl->value(This->outer, lcid, flags, params, res, ei, caller);
 434
 435     switch(flags) {
 436     case DISPATCH_PROPERTYGET:
 437         V_VT(res) = VT_BSTR;
 438         V_BSTR(res) = SysAllocString(objectW);
 439         if(!V_BSTR(res))
 440             return E_OUTOFMEMORY;
 441         break;
 442     default:
 443         FIXME("Unimplemented flags %x\n", flags);
 444         return E_NOTIMPL;
 445     }
 446
 447     return S_OK;
 448 }
 449
 450 static HRESULT typeinfo_invoke(DispatchEx *This, func_info_t *func, WORD flags, DISPPARAMS *dp, VARIANT *res,
 451         EXCEPINFO *ei)
 452 {
 453     ITypeInfo *ti;
 454     IUnknown *unk;
 455     UINT argerr=0;
 456     HRESULT hres;
 457
 458     hres = get_typeinfo(func->tid, &ti);
 459     if(FAILED(hres)) {
 460         ERR("Could not get type info: %08x\n", hres);
 461         return hres;
 462     }
 463
 464     hres = IUnknown_QueryInterface(This->outer, tid_ids[func->tid], (void**)&unk);
 465     if(FAILED(hres)) {
 466         ERR("Could not get iface %s: %08x\n", debugstr_guid(tid_ids[func->tid]), hres);
 467         return E_FAIL;
 468     }
 469
 470     hres = ITypeInfo_Invoke(ti, unk, func->id, flags, dp, res, ei, &argerr);
 471
 472     IUnknown_Release(unk);
 473     return hres;
 474 }
 475
 476 #define FUNCTION_THIS(iface) DEFINE_THIS(func_disp_t, IUnknown, iface)
 477
 478 static HRESULT WINAPI Function_QueryInterface(IUnknown *iface, REFIID riid, void **ppv)
 479 {
 480     func_disp_t *This = FUNCTION_THIS(iface);
 481
 482     if(IsEqualGUID(&IID_IUnknown, riid)) {
 483         TRACE("(%p)->(IID_IUnknown %p)\n", This, ppv);
 484         *ppv = FUNCUNKNOWN(This);
 485     }else if(dispex_query_interface(&This->dispex, riid, ppv)) {
 486         return *ppv ? S_OK : E_NOINTERFACE;
 487     }else {
 488         *ppv = NULL;
 489         return E_NOINTERFACE;
 490     }
 491
 492     IUnknown_AddRef((IUnknown*)*ppv);
 493     return S_OK;
 494 }
 495
 496 static ULONG WINAPI Function_AddRef(IUnknown *iface)
 497 {
 498     func_disp_t *This = FUNCTION_THIS(iface);
 499
 500     TRACE("(%p)\n", This);
 501
 502     return IDispatchEx_AddRef(DISPATCHEX(This->obj));
 503 }
 504
 505 static ULONG WINAPI Function_Release(IUnknown *iface)
 506 {
 507     func_disp_t *This = FUNCTION_THIS(iface);
 508
 509     TRACE("(%p)\n", This);
 510
 511     return IDispatchEx_Release(DISPATCHEX(This->obj));
 512 }
 513
 514 static HRESULT function_value(IUnknown *iface, LCID lcid, WORD flags, DISPPARAMS *params,
 515         VARIANT *res, EXCEPINFO *ei, IServiceProvider *caller)
 516 {
 517     func_disp_t *This = FUNCTION_THIS(iface);
 518     HRESULT hres;
 519
 520     switch(flags) {
 521     case DISPATCH_METHOD|DISPATCH_PROPERTYGET:
 522         if(!res)
 523             return E_INVALIDARG;
 524     case DISPATCH_METHOD:
 525         hres = typeinfo_invoke(This->obj, This->info, flags, params, res, ei);
 526         break;
 527     default:
 528         FIXME("Unimplemented flags %x\n", flags);
 529         hres = E_NOTIMPL;
 530     }
 531
 532     return hres;
 533 }
 534
 535 #undef FUNCTION_THIS
 536
 537 static const IUnknownVtbl FunctionUnkVtbl = {
 538     Function_QueryInterface,
 539     Function_AddRef,
 540     Function_Release
 541 };
 542
 543 static const dispex_static_data_vtbl_t function_dispex_vtbl = {
 544     function_value,
 545     NULL,
 546     NULL
 547 };
 548
 549 static const tid_t function_iface_tids[] = {0};
 550
 551 static dispex_static_data_t function_dispex = {
 552     &function_dispex_vtbl,
 553     NULL_tid,
 554     NULL,
 555     function_iface_tids
 556 };
 557
 558 static func_disp_t *create_func_disp(DispatchEx *obj, func_info_t *info)
 559 {
 560     func_disp_t *ret;
 561
 562     ret = heap_alloc_zero(sizeof(func_disp_t));
 563     if(!ret)
 564         return NULL;
 565
 566     ret->lpIUnknownVtbl = &FunctionUnkVtbl;
 567     init_dispex(&ret->dispex, FUNCUNKNOWN(ret),  &function_dispex);
 568     ret->obj = obj;
 569     ret->info = info;
 570
 571     return ret;
 572 }
 573
 574 static HRESULT function_invoke(DispatchEx *This, func_info_t *func, WORD flags, DISPPARAMS *dp, VARIANT *res,
 575         EXCEPINFO *ei)
 576 {
 577     HRESULT hres;
 578
 579     switch(flags) {
 580     case DISPATCH_METHOD|DISPATCH_PROPERTYGET:
 581         if(!res)
 582             return E_INVALIDARG;
 583     case DISPATCH_METHOD:
 584         hres = typeinfo_invoke(This, func, flags, dp, res, ei);
 585         break;
 586     case DISPATCH_PROPERTYGET: {
 587         dispex_dynamic_data_t *dynamic_data;
 588
 589         if(func->id == DISPID_VALUE) {
 590             BSTR ret;
 591
 592             ret = SysAllocString(objectW);
 593             if(!ret)
 594                 return E_OUTOFMEMORY;
 595
 596             V_VT(res) = VT_BSTR;
 597             V_BSTR(res) = ret;
 598             return S_OK;
 599         }
 600
 601         dynamic_data = get_dynamic_data(This, TRUE);
 602         if(!dynamic_data)
 603             return E_OUTOFMEMORY;
 604
 605         if(!dynamic_data->func_disps) {
 606             dynamic_data->func_disps = heap_alloc_zero(This->data->data->func_disp_cnt * sizeof(func_disp_t*));
 607             if(!dynamic_data->func_disps)
 608                 return E_OUTOFMEMORY;
 609         }
 610
 611         if(!dynamic_data->func_disps[func->func_disp_idx]) {
 612             dynamic_data->func_disps[func->func_disp_idx] = create_func_disp(This, func);
 613             if(!dynamic_data->func_disps[func->func_disp_idx])
 614                 return E_OUTOFMEMORY;
 615         }
 616
 617         V_VT(res) = VT_DISPATCH;
 618         V_DISPATCH(res) = (IDispatch*)DISPATCHEX(&dynamic_data->func_disps[func->func_disp_idx]->dispex);
 619         IDispatch_AddRef(V_DISPATCH(res));
 620         hres = S_OK;
 621         break;
 622     }
 623     default:
 624         FIXME("Unimplemented flags %x\n", flags);
 625     case DISPATCH_PROPERTYPUT:
 626         hres = E_NOTIMPL;
 627     }
 628
 629     return hres;
 630 }
 631
 632 static HRESULT get_builtin_func(dispex_data_t *data, DISPID id, func_info_t **ret)
 633 {
 634     int min, max, n;
 635
 636     min = 0;
 637     max = data->func_cnt-1;
 638
 639     while(min <= max) {
 640         n = (min+max)/2;
 641
 642         if(data->funcs[n].id == id) {
 643             *ret = data->funcs+n;
 644             return S_OK;
 645         }
 646
 647         if(data->funcs[n].id < id)
 648             min = n+1;
 649         else
 650             max = n-1;
 651     }
 652
 653     WARN("invalid id %x\n", id);
 654     return DISP_E_UNKNOWNNAME;
 655 }
 656
 657 #define DISPATCHEX_THIS(iface) DEFINE_THIS(DispatchEx, IDispatchEx, iface)
 658
 659 static HRESULT WINAPI DispatchEx_QueryInterface(IDispatchEx *iface, REFIID riid, void **ppv)
 660 {
 661     DispatchEx *This = DISPATCHEX_THIS(iface);
 662
 663     return IUnknown_QueryInterface(This->outer, riid, ppv);
 664 }
 665
 666 static ULONG WINAPI DispatchEx_AddRef(IDispatchEx *iface)
 667 {
 668     DispatchEx *This = DISPATCHEX_THIS(iface);
 669
 670     return IUnknown_AddRef(This->outer);
 671 }
 672
 673 static ULONG WINAPI DispatchEx_Release(IDispatchEx *iface)
 674 {
 675     DispatchEx *This = DISPATCHEX_THIS(iface);
 676
 677     return IUnknown_Release(This->outer);
 678 }
 679
 680 static HRESULT WINAPI DispatchEx_GetTypeInfoCount(IDispatchEx *iface, UINT *pctinfo)
 681 {
 682     DispatchEx *This = DISPATCHEX_THIS(iface);
 683
 684     TRACE("(%p)->(%p)\n", This, pctinfo);
 685
 686     *pctinfo = 1;
 687     return S_OK;
 688 }
 689
 690 static HRESULT WINAPI DispatchEx_GetTypeInfo(IDispatchEx *iface, UINT iTInfo,
 691                                               LCID lcid, ITypeInfo **ppTInfo)
 692 {
 693     DispatchEx *This = DISPATCHEX_THIS(iface);
 694     HRESULT hres;
 695
 696     TRACE("(%p)->(%u %u %p)\n", This, iTInfo, lcid, ppTInfo);
 697
 698     hres = get_typeinfo(This->data->disp_tid, ppTInfo);
 699     if(FAILED(hres))
 700         return hres;
 701
 702     ITypeInfo_AddRef(*ppTInfo);
 703     return S_OK;
 704 }
 705
 706 static HRESULT WINAPI DispatchEx_GetIDsOfNames(IDispatchEx *iface, REFIID riid,
 707                                                 LPOLESTR *rgszNames, UINT cNames,
 708                                                 LCID lcid, DISPID *rgDispId)
 709 {
 710     DispatchEx *This = DISPATCHEX_THIS(iface);
 711     UINT i;
 712     HRESULT hres;
 713
 714     TRACE("(%p)->(%s %p %u %u %p)\n", This, debugstr_guid(riid), rgszNames, cNames,
 715           lcid, rgDispId);
 716
 717     for(i=0; i < cNames; i++) {
 718         hres = IDispatchEx_GetDispID(DISPATCHEX(This), rgszNames[i], 0, rgDispId+i);
 719         if(FAILED(hres))
 720             return hres;
 721     }
 722
 723     return S_OK;
 724 }
 725
 726 static HRESULT WINAPI DispatchEx_Invoke(IDispatchEx *iface, DISPID dispIdMember,
 727                             REFIID riid, LCID lcid, WORD wFlags, DISPPARAMS *pDispParams,
 728                             VARIANT *pVarResult, EXCEPINFO *pExcepInfo, UINT *puArgErr)
 729 {
 730     DispatchEx *This = DISPATCHEX_THIS(iface);
 731
 732     TRACE("(%p)->(%d %s %d %d %p %p %p %p)\n", This, dispIdMember, debugstr_guid(riid),
 733           lcid, wFlags, pDispParams, pVarResult, pExcepInfo, puArgErr);
 734
 735     return IDispatchEx_InvokeEx(DISPATCHEX(This), dispIdMember, lcid, wFlags,
 736                                 pDispParams, pVarResult, pExcepInfo, NULL);
 737 }
 738
 739 static HRESULT WINAPI DispatchEx_GetDispID(IDispatchEx *iface, BSTR bstrName, DWORD grfdex, DISPID *pid)
 740 {
 741     DispatchEx *This = DISPATCHEX_THIS(iface);
 742     dynamic_prop_t *dprop;
 743     dispex_data_t *data;
 744     int min, max, n, c;
 745     HRESULT hres;
 746
 747     TRACE("(%p)->(%s %x %p)\n", This, debugstr_w(bstrName), grfdex, pid);
 748
 749     if(grfdex & ~(fdexNameCaseSensitive|fdexNameEnsure|fdexNameImplicit|FDEX_VERSION_MASK))
 750         FIXME("Unsupported grfdex %x\n", grfdex);
 751
 752     data = get_dispex_data(This);
 753     if(!data)
 754         return E_FAIL;
 755
 756     min = 0;
 757     max = data->func_cnt-1;
 758
 759     while(min <= max) {
 760         n = (min+max)/2;
 761
 762         c = strcmpiW(data->name_table[n]->name, bstrName);
 763         if(!c) {
 764             if((grfdex & fdexNameCaseSensitive) && strcmpW(data->name_table[n]->name, bstrName))
 765                 break;
 766
 767             *pid = data->name_table[n]->id;
 768             return S_OK;
 769         }
 770
 771         if(c > 0)
 772             max = n-1;
 773         else
 774             min = n+1;
 775     }
 776
 777     if(This->data->vtbl && This->data->vtbl->get_dispid) {
 778         HRESULT hres;
 779
 780         hres = This->data->vtbl->get_dispid(This->outer, bstrName, grfdex, pid);
 781         if(hres != DISP_E_UNKNOWNNAME)
 782             return hres;
 783     }
 784
 785     hres = get_dynamic_prop(This, bstrName, grfdex&fdexNameEnsure, &dprop);
 786     if(FAILED(hres))
 787         return hres;
 788
 789     *pid = DISPID_DYNPROP_0 + (dprop - This->dynamic_data->props);
 790     return S_OK;
 791 }
 792
 793 static HRESULT WINAPI DispatchEx_InvokeEx(IDispatchEx *iface, DISPID id, LCID lcid, WORD wFlags, DISPPARAMS *pdp,
 794         VARIANT *pvarRes, EXCEPINFO *pei, IServiceProvider *pspCaller)
 795 {
 796     DispatchEx *This = DISPATCHEX_THIS(iface);
 797     dispex_data_t *data;
 798     func_info_t *func;
 799     HRESULT hres;
 800
 801     TRACE("(%p)->(%x %x %x %p %p %p %p)\n", This, id, lcid, wFlags, pdp, pvarRes, pei, pspCaller);
 802
 803     if(is_custom_dispid(id) && This->data->vtbl && This->data->vtbl->invoke)
 804         return This->data->vtbl->invoke(This->outer, id, lcid, wFlags, pdp, pvarRes, pei, pspCaller);
 805
 806     if(wFlags == DISPATCH_CONSTRUCT) {
 807         if(id == DISPID_VALUE) {
 808             if(This->data->vtbl && This->data->vtbl->value) {
 809                 return This->data->vtbl->value(This->outer, lcid, wFlags, pdp,
 810                         pvarRes, pei, pspCaller);
 811             }
 812             FIXME("DISPATCH_CONSTRUCT flag but missing value function\n");
 813             return E_FAIL;
 814         }
 815         FIXME("DISPATCH_CONSTRUCT flag without DISPID_VALUE\n");
 816         return E_FAIL;
 817     }
 818
 819     if(is_dynamic_dispid(id)) {
 820         DWORD idx = id - DISPID_DYNPROP_0;
 821         VARIANT *var;
 822
 823         if(!This->dynamic_data || This->dynamic_data->prop_cnt <= idx)
 824             return DISP_E_UNKNOWNNAME;
 825
 826         var = &This->dynamic_data->props[idx].var;
 827
 828         switch(wFlags) {
 829         case DISPATCH_METHOD|DISPATCH_PROPERTYGET:
 830             if(!pvarRes)
 831                 return E_INVALIDARG;
 832         case DISPATCH_METHOD: {
 833             DISPID named_arg = DISPID_THIS;
 834             DISPPARAMS dp = {NULL, &named_arg, 0, 1};
 835             IDispatchEx *dispex;
 836
 837             if(V_VT(var) != VT_DISPATCH) {
 838                 FIXME("invoke vt %d\n", V_VT(var));
 839                 return E_NOTIMPL;
 840             }
 841
 842             if(pdp->cNamedArgs) {
 843                 FIXME("named args not supported\n");
 844                 return E_NOTIMPL;
 845             }
 846
 847             dp.rgvarg = heap_alloc((pdp->cArgs+1)*sizeof(VARIANTARG));
 848             if(!dp.rgvarg)
 849                 return E_OUTOFMEMORY;
 850
 851             dp.cArgs = pdp->cArgs+1;
 852             memcpy(dp.rgvarg+1, pdp->rgvarg, pdp->cArgs*sizeof(VARIANTARG));
 853
 854             V_VT(dp.rgvarg) = VT_DISPATCH;
 855             V_DISPATCH(dp.rgvarg) = (IDispatch*)DISPATCHEX(This);
 856
 857             hres = IDispatch_QueryInterface(V_DISPATCH(var), &IID_IDispatchEx, (void**)&dispex);
 858             TRACE("%s call\n", debugstr_w(This->dynamic_data->props[idx].name));
 859             if(SUCCEEDED(hres)) {
 860                 hres = IDispatchEx_InvokeEx(dispex, DISPID_VALUE, lcid, wFlags, &dp, pvarRes, pei, pspCaller);
 861                 IDispatchEx_Release(dispex);
 862             }else {
 863                 ULONG err = 0;
 864                 hres = IDispatch_Invoke(V_DISPATCH(var), DISPID_VALUE, &IID_NULL, lcid, wFlags, pdp, pvarRes, pei, &err);
 865             }
 866             TRACE("%s ret %08x\n", debugstr_w(This->dynamic_data->props[idx].name), hres);
 867
 868             heap_free(dp.rgvarg);
 869             return hres;
 870         }
 871         case DISPATCH_PROPERTYGET:
 872             return VariantCopy(pvarRes, var);
 873         case DISPATCH_PROPERTYPUT:
 874             VariantClear(var);
 875             return VariantCopy(var, pdp->rgvarg);
 876         default:
 877             FIXME("unhandled wFlags %x\n", wFlags);
 878             return E_NOTIMPL;
 879         }
 880     }
 881
 882     data = get_dispex_data(This);
 883     if(!data)
 884         return E_FAIL;
 885
 886     hres = get_builtin_func(data, id, &func);
 887     if(id == DISPID_VALUE && hres == DISP_E_UNKNOWNNAME)
 888         return dispex_value(This, lcid, wFlags, pdp, pvarRes, pei, pspCaller);
 889     if(FAILED(hres))
 890         return hres;
 891
 892     if(func->func_disp_idx == -1)
 893         hres = typeinfo_invoke(This, func, wFlags, pdp, pvarRes, pei);
 894     else
 895         hres = function_invoke(This, func, wFlags, pdp, pvarRes, pei);
 896
 897     return hres;
 898 }
 899
 900 static HRESULT WINAPI DispatchEx_DeleteMemberByName(IDispatchEx *iface, BSTR bstrName, DWORD grfdex)
 901 {
 902     DispatchEx *This = DISPATCHEX_THIS(iface);
 903     FIXME("(%p)->(%s %x)\n", This, debugstr_w(bstrName), grfdex);
 904     return E_NOTIMPL;
 905 }
 906
 907 static HRESULT WINAPI DispatchEx_DeleteMemberByDispID(IDispatchEx *iface, DISPID id)
 908 {
 909     DispatchEx *This = DISPATCHEX_THIS(iface);
 910     FIXME("(%p)->(%x)\n", This, id);
 911     return E_NOTIMPL;
 912 }
 913
 914 static HRESULT WINAPI DispatchEx_GetMemberProperties(IDispatchEx *iface, DISPID id, DWORD grfdexFetch, DWORD *pgrfdex)
 915 {
 916     DispatchEx *This = DISPATCHEX_THIS(iface);
 917     FIXME("(%p)->(%x %x %p)\n", This, id, grfdexFetch, pgrfdex);
 918     return E_NOTIMPL;
 919 }
 920
 921 static HRESULT WINAPI DispatchEx_GetMemberName(IDispatchEx *iface, DISPID id, BSTR *pbstrName)
 922 {
 923     DispatchEx *This = DISPATCHEX_THIS(iface);
 924     dispex_data_t *data;
 925     func_info_t *func;
 926     HRESULT hres;
 927
 928     TRACE("(%p)->(%x %p)\n", This, id, pbstrName);
 929
 930     if(is_dynamic_dispid(id)) {
 931         DWORD idx = id - DISPID_DYNPROP_0;
 932
 933         if(!This->dynamic_data || This->dynamic_data->prop_cnt <= idx)
 934             return DISP_E_UNKNOWNNAME;
 935
 936         *pbstrName = SysAllocString(This->dynamic_data->props[idx].name);
 937         if(!*pbstrName)
 938             return E_OUTOFMEMORY;
 939
 940         return S_OK;
 941     }
 942
 943     data = get_dispex_data(This);
 944     if(!data)
 945         return E_FAIL;
 946
 947     hres = get_builtin_func(data, id, &func);
 948     if(FAILED(hres))
 949         return hres;
 950
 951     *pbstrName = SysAllocString(func->name);
 952     if(!*pbstrName)
 953         return E_OUTOFMEMORY;
 954     return S_OK;
 955 }
 956
 957 static HRESULT WINAPI DispatchEx_GetNextDispID(IDispatchEx *iface, DWORD grfdex, DISPID id, DISPID *pid)
 958 {
 959     DispatchEx *This = DISPATCHEX_THIS(iface);
 960     dispex_data_t *data;
 961     func_info_t *func;
 962     HRESULT hres;
 963
 964     TRACE("(%p)->(%x %x %p)\n", This, grfdex, id, pid);
 965
 966     if(is_dynamic_dispid(id)) {
 967         DWORD idx = id - DISPID_DYNPROP_0;
 968
 969         if(!This->dynamic_data || This->dynamic_data->prop_cnt <= idx)
 970             return DISP_E_UNKNOWNNAME;
 971
 972         if(idx+1 == This->dynamic_data->prop_cnt) {
 973             *pid = DISPID_STARTENUM;
 974             return S_FALSE;
 975         }
 976
 977         *pid = id+1;
 978         return S_OK;
 979     }
 980
 981     data = get_dispex_data(This);
 982     if(!data)
 983         return E_FAIL;
 984
 985     if(id == DISPID_STARTENUM) {
 986         func = data->funcs;
 987     }else {
 988         hres = get_builtin_func(data, id, &func);
 989         if(FAILED(hres))
 990             return hres;
 991         func++;
 992     }
 993
 994     while(func < data->funcs+data->func_cnt) {
 995         /* FIXME: Skip hidden properties */
 996         if(func->func_disp_idx == -1) {
 997             *pid = func->id;
 998             return S_OK;
 999         }
1000         func++;
1001     }
1002
1003     if(This->dynamic_data && This->dynamic_data->prop_cnt) {
1004         *pid = DISPID_DYNPROP_0;
1005         return S_OK;
1006     }
1007
1008     *pid = DISPID_STARTENUM;
1009     return S_FALSE;
1010 }
1011
1012 static HRESULT WINAPI DispatchEx_GetNameSpaceParent(IDispatchEx *iface, IUnknown **ppunk)
1013 {
1014     DispatchEx *This = DISPATCHEX_THIS(iface);
1015     FIXME("(%p)->(%p)\n", This, ppunk);
1016     return E_NOTIMPL;
1017 }
1018
1019 #undef DISPATCHEX_THIS
1020
1021 static IDispatchExVtbl DispatchExVtbl = {
1022     DispatchEx_QueryInterface,
1023     DispatchEx_AddRef,
1024     DispatchEx_Release,
1025     DispatchEx_GetTypeInfoCount,
1026     DispatchEx_GetTypeInfo,
1027     DispatchEx_GetIDsOfNames,
1028     DispatchEx_Invoke,
1029     DispatchEx_GetDispID,
1030     DispatchEx_InvokeEx,
1031     DispatchEx_DeleteMemberByName,
1032     DispatchEx_DeleteMemberByDispID,
1033     DispatchEx_GetMemberProperties,
1034     DispatchEx_GetMemberName,
1035     DispatchEx_GetNextDispID,
1036     DispatchEx_GetNameSpaceParent
1037 };
1038
1039 BOOL dispex_query_interface(DispatchEx *This, REFIID riid, void **ppv)
1040 {
1041     static const IID IID_UndocumentedScriptIface =
1042         {0x719c3050,0xf9d3,0x11cf,{0xa4,0x93,0x00,0x40,0x05,0x23,0xa8,0xa0}};
1043     static const IID IID_IDispatchJS =
1044         {0x719c3050,0xf9d3,0x11cf,{0xa4,0x93,0x00,0x40,0x05,0x23,0xa8,0xa6}};
1045
1046     if(IsEqualGUID(&IID_IDispatch, riid)) {
1047         TRACE("(%p)->(IID_IDispatch %p)\n", This, ppv);
1048         *ppv = DISPATCHEX(This);
1049     }else if(IsEqualGUID(&IID_IDispatchEx, riid)) {
1050         TRACE("(%p)->(IID_IDispatchEx %p)\n", This, ppv);
1051         *ppv = DISPATCHEX(This);
1052     }else if(IsEqualGUID(&IID_IDispatchJS, riid)) {
1053         TRACE("(%p)->(IID_IDispatchJS %p) returning NULL\n", This, ppv);
1054         *ppv = NULL;
1055     }else if(IsEqualGUID(&IID_UndocumentedScriptIface, riid)) {
1056         TRACE("(%p)->(IID_UndocumentedScriptIface %p) returning NULL\n", This, ppv);
1057         *ppv = NULL;
1058     }else {
1059         return FALSE;
1060     }
1061
1062     if(*ppv)
1063         IUnknown_AddRef((IUnknown*)*ppv);
1064     return TRUE;
1065 }
1066
1067 void release_dispex(DispatchEx *This)
1068 {
1069     dynamic_prop_t *prop;
1070
1071     if(!This->dynamic_data)
1072         return;
1073
1074     for(prop = This->dynamic_data->props; prop < This->dynamic_data->props + This->dynamic_data->prop_cnt; prop++) {
1075         VariantClear(&prop->var);
1076         heap_free(prop->name);
1077     }
1078
1079     heap_free(This->dynamic_data->props);
1080
1081     if(This->dynamic_data->func_disps) {
1082         unsigned i;
1083
1084         for(i=0; i < This->data->data->func_disp_cnt; i++) {
1085             if(This->dynamic_data->func_disps[i]) {
1086                 release_dispex(&This->dynamic_data->func_disps[i]->dispex);
1087                 heap_free(This->dynamic_data->func_disps[i]);
1088             }
1089         }
1090
1091         heap_free(This->dynamic_data->func_disps);
1092     }
1093
1094     heap_free(This->dynamic_data);
1095 }
1096
1097 void init_dispex(DispatchEx *dispex, IUnknown *outer, dispex_static_data_t *data)
1098 {
1099     dispex->lpIDispatchExVtbl = &DispatchExVtbl;
1100     dispex->outer = outer;
1101     dispex->data = data;
1102     dispex->dynamic_data = NULL;
1103 }