dlls/mshtml/script.c

   1 /*
   2  * Copyright 2008 Jacek Caban for CodeWeavers
   3  *
   4  * This library is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Lesser General Public
   6  * License as published by the Free Software Foundation; either
   7  * version 2.1 of the License, or (at your option) any later version.
   8  *
   9  * This library is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * Lesser General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Lesser General Public
  15  * License along with this library; if not, write to the Free Software
  16  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  17  */
  18
  19 #include "config.h"
  20
  21 #include <stdarg.h>
  22
  23 #define COBJMACROS
  24
  25 #include "windef.h"
  26 #include "winbase.h"
  27 #include "winuser.h"
  28 #include "ole2.h"
  29 #include "activscp.h"
  30 #include "activdbg.h"
  31 #include "objsafe.h"
  32
  33 #include "wine/debug.h"
  34
  35 #include "mshtml_private.h"
  36
  37 WINE_DEFAULT_DEBUG_CHANNEL(mshtml);
  38
  39 static const WCHAR windowW[] = {'w','i','n','d','o','w',0};
  40 static const WCHAR emptyW[] = {0};
  41
  42 static const CLSID CLSID_JScript =
  43     {0xf414c260,0x6ac0,0x11cf,{0xb6,0xd1,0x00,0xaa,0x00,0xbb,0xbb,0x58}};
  44
  45 typedef struct {
  46     const IActiveScriptSiteVtbl               *lpIActiveScriptSiteVtbl;
  47     const IActiveScriptSiteInterruptPollVtbl  *lpIActiveScriptSiteInterruptPollVtbl;
  48     const IActiveScriptSiteWindowVtbl         *lpIActiveScriptSiteWindowVtbl;
  49     const IActiveScriptSiteDebug32Vtbl        *lpIActiveScriptSiteDebug32Vtbl;
  50
  51     LONG ref;
  52
  53     IActiveScript *script;
  54     IActiveScriptParse *parse;
  55     IActiveScriptParseProcedure *parse_proc;
  56
  57     SCRIPTSTATE script_state;
  58
  59     HTMLDocument *doc;
  60
  61     GUID guid;
  62     struct list entry;
  63 } ScriptHost;
  64
  65 #define ACTSCPSITE(x)  ((IActiveScriptSite*)               &(x)->lpIActiveScriptSiteVtbl)
  66 #define ACTSCPPOLL(x)  ((IActiveScriptSiteInterruptPoll*)  &(x)->lpIActiveScriptSiteInterruptPollVtbl)
  67 #define ACTSCPWIN(x)   ((IActiveScriptSiteWindow*)         &(x)->lpIActiveScriptSiteWindowVtbl)
  68 #define ACTSCPDBG32(x) ((IActiveScriptSiteDebug32*)        &(x)->lpIActiveScriptSiteDebug32Vtbl)
  69
  70 static BOOL init_script_engine(ScriptHost *script_host)
  71 {
  72     IActiveScriptProperty *property;
  73     IObjectSafety *safety;
  74     SCRIPTSTATE state;
  75     DWORD supported_opts=0, enabled_opts=0;
  76     HRESULT hres;
  77
  78     hres = IActiveScript_QueryInterface(script_host->script, &IID_IActiveScriptParse, (void**)&script_host->parse);
  79     if(FAILED(hres)) {
  80         WARN("Could not get IActiveScriptHost: %08x\n", hres);
  81         return FALSE;
  82     }
  83
  84     hres = IActiveScript_QueryInterface(script_host->script, &IID_IObjectSafety, (void**)&safety);
  85     if(FAILED(hres)) {
  86         FIXME("Could not get IObjectSafety: %08x\n", hres);
  87         return FALSE;
  88     }
  89
  90     hres = IObjectSafety_GetInterfaceSafetyOptions(safety, &IID_IActiveScriptParse, &supported_opts, &enabled_opts);
  91     if(FAILED(hres)) {
  92         FIXME("GetInterfaceSafetyOptions failed: %08x\n", hres);
  93     }else if(!(supported_opts & INTERFACE_USES_DISPEX)) {
  94         FIXME("INTERFACE_USES_DISPEX is not supported\n");
  95     }else {
  96         hres = IObjectSafety_SetInterfaceSafetyOptions(safety, &IID_IActiveScriptParse,
  97                 INTERFACESAFE_FOR_UNTRUSTED_DATA|INTERFACE_USES_DISPEX|INTERFACE_USES_SECURITY_MANAGER,
  98                 INTERFACESAFE_FOR_UNTRUSTED_DATA|INTERFACE_USES_DISPEX|INTERFACE_USES_SECURITY_MANAGER);
  99         if(FAILED(hres))
 100             FIXME("SetInterfaceSafetyOptions failed: %08x\n", hres);
 101     }
 102
 103     IObjectSafety_Release(safety);
 104     if(FAILED(hres))
 105         return FALSE;
 106
 107     hres = IActiveScript_QueryInterface(script_host->script, &IID_IActiveScriptProperty, (void**)&property);
 108     if(SUCCEEDED(hres)) {
 109         VARIANT var;
 110
 111         V_VT(&var) = VT_BOOL;
 112         V_BOOL(&var) = VARIANT_TRUE;
 113         hres = IActiveScriptProperty_SetProperty(property, SCRIPTPROP_HACK_TRIDENTEVENTSINK, NULL, &var);
 114         if(FAILED(hres))
 115             WARN("SetProperty failed: %08x\n", hres);
 116
 117         IActiveScriptProperty_Release(property);
 118     }else {
 119         WARN("Could not get IActiveScriptProperty: %08x\n", hres);
 120     }
 121
 122     hres = IActiveScriptParse_InitNew(script_host->parse);
 123     if(FAILED(hres)) {
 124         WARN("InitNew failed: %08x\n", hres);
 125         return FALSE;
 126     }
 127
 128     hres = IActiveScript_SetScriptSite(script_host->script, ACTSCPSITE(script_host));
 129     if(FAILED(hres)) {
 130         WARN("SetScriptSite failed: %08x\n", hres);
 131         IActiveScript_Close(script_host->script);
 132         return FALSE;
 133     }
 134
 135     hres = IActiveScript_GetScriptState(script_host->script, &state);
 136     if(FAILED(hres))
 137         WARN("GetScriptState failed: %08x\n", hres);
 138     else if(state != SCRIPTSTATE_INITIALIZED)
 139         FIXME("state = %x\n", state);
 140
 141     hres = IActiveScript_SetScriptState(script_host->script, SCRIPTSTATE_STARTED);
 142     if(FAILED(hres)) {
 143         WARN("Starting script failed: %08x\n", hres);
 144         return FALSE;
 145     }
 146
 147     hres = IActiveScript_AddNamedItem(script_host->script, windowW,
 148             SCRIPTITEM_ISVISIBLE|SCRIPTITEM_ISSOURCE|SCRIPTITEM_GLOBALMEMBERS);
 149     if(FAILED(hres))
 150        WARN("AddNamedItem failed: %08x\n", hres);
 151
 152     hres = IActiveScript_QueryInterface(script_host->script, &IID_IActiveScriptParseProcedure2,
 153                                         (void**)&script_host->parse_proc);
 154     if(FAILED(hres)) {
 155         /* FIXME: QI for IActiveScriptParseProcedure */
 156         WARN("Could not get IActiveScriptParseProcedure iface: %08x\n", hres);
 157     }
 158
 159     return TRUE;
 160 }
 161
 162 static void release_script_engine(ScriptHost *This)
 163 {
 164     if(!This->script)
 165         return;
 166
 167     switch(This->script_state) {
 168     case SCRIPTSTATE_CONNECTED:
 169         IActiveScript_SetScriptState(This->script, SCRIPTSTATE_DISCONNECTED);
 170
 171     case SCRIPTSTATE_STARTED:
 172     case SCRIPTSTATE_DISCONNECTED:
 173     case SCRIPTSTATE_INITIALIZED:
 174         IActiveScript_Close(This->script);
 175
 176     default:
 177         if(This->parse_proc) {
 178             IActiveScriptParseProcedure_Release(This->parse_proc);
 179             This->parse_proc = NULL;
 180         }
 181
 182         if(This->parse) {
 183             IActiveScriptParse_Release(This->parse);
 184             This->parse = NULL;
 185         }
 186     }
 187
 188     IActiveScript_Release(This->script);
 189     This->script = NULL;
 190     This->script_state = SCRIPTSTATE_UNINITIALIZED;
 191 }
 192
 193 void connect_scripts(HTMLDocument *doc)
 194 {
 195     ScriptHost *iter;
 196
 197     LIST_FOR_EACH_ENTRY(iter, &doc->script_hosts, ScriptHost, entry) {
 198         if(iter->script_state == SCRIPTSTATE_STARTED)
 199             IActiveScript_SetScriptState(iter->script, SCRIPTSTATE_CONNECTED);
 200     }
 201 }
 202
 203 #define ACTSCPSITE_THIS(iface) DEFINE_THIS(ScriptHost, IActiveScriptSite, iface)
 204
 205 static HRESULT WINAPI ActiveScriptSite_QueryInterface(IActiveScriptSite *iface, REFIID riid, void **ppv)
 206 {
 207     ScriptHost *This = ACTSCPSITE_THIS(iface);
 208
 209     *ppv = NULL;
 210
 211     if(IsEqualGUID(&IID_IUnknown, riid)) {
 212         TRACE("(%p)->(IID_IUnknown %p)\n", This, ppv);
 213         *ppv = ACTSCPSITE(This);
 214     }else if(IsEqualGUID(&IID_IActiveScriptSite, riid)) {
 215         TRACE("(%p)->(IID_IActiveScriptSite %p)\n", This, ppv);
 216         *ppv = ACTSCPSITE(This);
 217     }else if(IsEqualGUID(&IID_IActiveScriptSiteInterruptPoll, riid)) {
 218         TRACE("(%p)->(IID_IActiveScriptSiteInterruprtPoll %p)\n", This, ppv);
 219         *ppv = ACTSCPPOLL(This);
 220     }else if(IsEqualGUID(&IID_IActiveScriptSiteWindow, riid)) {
 221         TRACE("(%p)->(IID_IActiveScriptSiteWindow %p)\n", This, ppv);
 222         *ppv = ACTSCPWIN(This);
 223     }else if(IsEqualGUID(&IID_IActiveScriptSiteDebug32, riid)) {
 224         TRACE("(%p)->(IID_IActiveScriptSiteDebug32 %p)\n", This, ppv);
 225         *ppv = ACTSCPDBG32(This);
 226     }else {
 227         FIXME("(%p)->(%s %p)\n", This, debugstr_guid(riid), ppv);
 228         return E_NOINTERFACE;
 229     }
 230
 231     IUnknown_AddRef((IUnknown*)*ppv);
 232     return S_OK;
 233 }
 234
 235 static ULONG WINAPI ActiveScriptSite_AddRef(IActiveScriptSite *iface)
 236 {
 237     ScriptHost *This = ACTSCPSITE_THIS(iface);
 238     LONG ref = InterlockedIncrement(&This->ref);
 239
 240     TRACE("(%p) ref=%d\n", This, ref);
 241
 242     return ref;
 243 }
 244
 245 static ULONG WINAPI ActiveScriptSite_Release(IActiveScriptSite *iface)
 246 {
 247     ScriptHost *This = ACTSCPSITE_THIS(iface);
 248     LONG ref = InterlockedDecrement(&This->ref);
 249
 250     TRACE("(%p) ref=%d\n", This, ref);
 251
 252     if(!ref) {
 253         release_script_engine(This);
 254         if(This->doc)
 255             list_remove(&This->entry);
 256         heap_free(This);
 257     }
 258
 259     return ref;
 260 }
 261
 262 static HRESULT WINAPI ActiveScriptSite_GetLCID(IActiveScriptSite *iface, LCID *plcid)
 263 {
 264     ScriptHost *This = ACTSCPSITE_THIS(iface);
 265
 266     TRACE("(%p)->(%p)\n", This, plcid);
 267
 268     *plcid = GetUserDefaultLCID();
 269     return S_OK;
 270 }
 271
 272 static HRESULT WINAPI ActiveScriptSite_GetItemInfo(IActiveScriptSite *iface, LPCOLESTR pstrName,
 273         DWORD dwReturnMask, IUnknown **ppiunkItem, ITypeInfo **ppti)
 274 {
 275     ScriptHost *This = ACTSCPSITE_THIS(iface);
 276
 277     TRACE("(%p)->(%s %x %p %p)\n", This, debugstr_w(pstrName), dwReturnMask, ppiunkItem, ppti);
 278
 279     if(dwReturnMask != SCRIPTINFO_IUNKNOWN) {
 280         FIXME("Unsupported mask %x\n", dwReturnMask);
 281         return E_NOTIMPL;
 282     }
 283
 284     *ppiunkItem = NULL;
 285
 286     if(strcmpW(pstrName, windowW))
 287         return DISP_E_MEMBERNOTFOUND;
 288
 289     if(!This->doc)
 290         return E_FAIL;
 291
 292     /* FIXME: Return proxy object */
 293     *ppiunkItem = (IUnknown*)HTMLWINDOW2(This->doc->window);
 294     IUnknown_AddRef(*ppiunkItem);
 295
 296     return S_OK;
 297 }
 298
 299 static HRESULT WINAPI ActiveScriptSite_GetDocVersionString(IActiveScriptSite *iface, BSTR *pbstrVersion)
 300 {
 301     ScriptHost *This = ACTSCPSITE_THIS(iface);
 302     FIXME("(%p)->(%p)\n", This, pbstrVersion);
 303     return E_NOTIMPL;
 304 }
 305
 306 static HRESULT WINAPI ActiveScriptSite_OnScriptTerminate(IActiveScriptSite *iface,
 307         const VARIANT *pvarResult, const EXCEPINFO *pexcepinfo)
 308 {
 309     ScriptHost *This = ACTSCPSITE_THIS(iface);
 310     FIXME("(%p)->(%p %p)\n", This, pvarResult, pexcepinfo);
 311     return E_NOTIMPL;
 312 }
 313
 314 static HRESULT WINAPI ActiveScriptSite_OnStateChange(IActiveScriptSite *iface, SCRIPTSTATE ssScriptState)
 315 {
 316     ScriptHost *This = ACTSCPSITE_THIS(iface);
 317
 318     TRACE("(%p)->(%x)\n", This, ssScriptState);
 319
 320     This->script_state = ssScriptState;
 321     return S_OK;
 322 }
 323
 324 static HRESULT WINAPI ActiveScriptSite_OnScriptError(IActiveScriptSite *iface, IActiveScriptError *pscripterror)
 325 {
 326     ScriptHost *This = ACTSCPSITE_THIS(iface);
 327     FIXME("(%p)->(%p)\n", This, pscripterror);
 328     return E_NOTIMPL;
 329 }
 330
 331 static HRESULT WINAPI ActiveScriptSite_OnEnterScript(IActiveScriptSite *iface)
 332 {
 333     ScriptHost *This = ACTSCPSITE_THIS(iface);
 334
 335     TRACE("(%p)->()\n", This);
 336
 337     return S_OK;
 338 }
 339
 340 static HRESULT WINAPI ActiveScriptSite_OnLeaveScript(IActiveScriptSite *iface)
 341 {
 342     ScriptHost *This = ACTSCPSITE_THIS(iface);
 343
 344     TRACE("(%p)->()\n", This);
 345
 346     return S_OK;
 347 }
 348
 349 #undef ACTSCPSITE_THIS
 350
 351 static const IActiveScriptSiteVtbl ActiveScriptSiteVtbl = {
 352     ActiveScriptSite_QueryInterface,
 353     ActiveScriptSite_AddRef,
 354     ActiveScriptSite_Release,
 355     ActiveScriptSite_GetLCID,
 356     ActiveScriptSite_GetItemInfo,
 357     ActiveScriptSite_GetDocVersionString,
 358     ActiveScriptSite_OnScriptTerminate,
 359     ActiveScriptSite_OnStateChange,
 360     ActiveScriptSite_OnScriptError,
 361     ActiveScriptSite_OnEnterScript,
 362     ActiveScriptSite_OnLeaveScript
 363 };
 364
 365 #define ACTSCPPOLL_THIS(iface) DEFINE_THIS(ScriptHost, IActiveScriptSiteInterruptPoll, iface)
 366
 367 static HRESULT WINAPI ActiveScriptSiteInterruptPoll_QueryInterface(IActiveScriptSiteInterruptPoll *iface,
 368         REFIID riid, void **ppv)
 369 {
 370     ScriptHost *This = ACTSCPPOLL_THIS(iface);
 371     return IActiveScriptSite_QueryInterface(ACTSCPSITE(This), riid, ppv);
 372 }
 373
 374 static ULONG WINAPI ActiveScriptSiteInterruptPoll_AddRef(IActiveScriptSiteInterruptPoll *iface)
 375 {
 376     ScriptHost *This = ACTSCPPOLL_THIS(iface);
 377     return IActiveScriptSite_AddRef(ACTSCPSITE(This));
 378 }
 379
 380 static ULONG WINAPI ActiveScriptSiteInterruptPoll_Release(IActiveScriptSiteInterruptPoll *iface)
 381 {
 382     ScriptHost *This = ACTSCPPOLL_THIS(iface);
 383     return IActiveScriptSite_Release(ACTSCPSITE(This));
 384 }
 385
 386 static HRESULT WINAPI ActiveScriptSiteInterruptPoll_QueryContinue(IActiveScriptSiteInterruptPoll *iface)
 387 {
 388     ScriptHost *This = ACTSCPPOLL_THIS(iface);
 389
 390     TRACE("(%p)\n", This);
 391
 392     return S_OK;
 393 }
 394
 395 #undef ACTSCPPOLL_THIS
 396
 397 static const IActiveScriptSiteInterruptPollVtbl ActiveScriptSiteInterruptPollVtbl = {
 398     ActiveScriptSiteInterruptPoll_QueryInterface,
 399     ActiveScriptSiteInterruptPoll_AddRef,
 400     ActiveScriptSiteInterruptPoll_Release,
 401     ActiveScriptSiteInterruptPoll_QueryContinue
 402 };
 403
 404 #define ACTSCPWIN_THIS(iface) DEFINE_THIS(ScriptHost, IActiveScriptSiteWindow, iface)
 405
 406 static HRESULT WINAPI ActiveScriptSiteWindow_QueryInterface(IActiveScriptSiteWindow *iface,
 407         REFIID riid, void **ppv)
 408 {
 409     ScriptHost *This = ACTSCPWIN_THIS(iface);
 410     return IActiveScriptSite_QueryInterface(ACTSCPSITE(This), riid, ppv);
 411 }
 412
 413 static ULONG WINAPI ActiveScriptSiteWindow_AddRef(IActiveScriptSiteWindow *iface)
 414 {
 415     ScriptHost *This = ACTSCPWIN_THIS(iface);
 416     return IActiveScriptSite_AddRef(ACTSCPSITE(This));
 417 }
 418
 419 static ULONG WINAPI ActiveScriptSiteWindow_Release(IActiveScriptSiteWindow *iface)
 420 {
 421     ScriptHost *This = ACTSCPWIN_THIS(iface);
 422     return IActiveScriptSite_Release(ACTSCPSITE(This));
 423 }
 424
 425 static HRESULT WINAPI ActiveScriptSiteWindow_GetWindow(IActiveScriptSiteWindow *iface, HWND *phwnd)
 426 {
 427     ScriptHost *This = ACTSCPWIN_THIS(iface);
 428     FIXME("(%p)->(%p)\n", This, phwnd);
 429     return E_NOTIMPL;
 430 }
 431
 432 static HRESULT WINAPI ActiveScriptSiteWindow_EnableModeless(IActiveScriptSiteWindow *iface, BOOL fEnable)
 433 {
 434     ScriptHost *This = ACTSCPWIN_THIS(iface);
 435     FIXME("(%p)->(%x)\n", This, fEnable);
 436     return E_NOTIMPL;
 437 }
 438
 439 #undef ACTSCPWIN_THIS
 440
 441 static const IActiveScriptSiteWindowVtbl ActiveScriptSiteWindowVtbl = {
 442     ActiveScriptSiteWindow_QueryInterface,
 443     ActiveScriptSiteWindow_AddRef,
 444     ActiveScriptSiteWindow_Release,
 445     ActiveScriptSiteWindow_GetWindow,
 446     ActiveScriptSiteWindow_EnableModeless
 447 };
 448
 449 #define ACTSCPDBG32_THIS(iface) DEFINE_THIS(ScriptHost, IActiveScriptSiteDebug32, iface)
 450
 451 static HRESULT WINAPI ActiveScriptSiteDebug32_QueryInterface(IActiveScriptSiteDebug32 *iface,
 452         REFIID riid, void **ppv)
 453 {
 454     ScriptHost *This = ACTSCPDBG32_THIS(iface);
 455     return IActiveScriptSite_QueryInterface(ACTSCPSITE(This), riid, ppv);
 456 }
 457
 458 static ULONG WINAPI ActiveScriptSiteDebug32_AddRef(IActiveScriptSiteDebug32 *iface)
 459 {
 460     ScriptHost *This = ACTSCPDBG32_THIS(iface);
 461     return IActiveScriptSite_AddRef(ACTSCPSITE(This));
 462 }
 463
 464 static ULONG WINAPI ActiveScriptSiteDebug32_Release(IActiveScriptSiteDebug32 *iface)
 465 {
 466     ScriptHost *This = ACTSCPDBG32_THIS(iface);
 467     return IActiveScriptSite_Release(ACTSCPSITE(This));
 468 }
 469
 470 static HRESULT WINAPI ActiveScriptSiteDebug32_GetDocumentContextFromPosition(IActiveScriptSiteDebug32 *iface,
 471             DWORD dwSourceContext, ULONG uCharacterOffset, ULONG uNumChars, IDebugDocumentContext **ppsc)
 472 {
 473     ScriptHost *This = ACTSCPDBG32_THIS(iface);
 474     FIXME("(%p)->(%x %u %u %p)\n", This, dwSourceContext, uCharacterOffset, uNumChars, ppsc);
 475     return E_NOTIMPL;
 476 }
 477
 478 static HRESULT WINAPI ActiveScriptSiteDebug32_GetApplication(IActiveScriptSiteDebug32 *iface, IDebugApplication32 **ppda)
 479 {
 480     ScriptHost *This = ACTSCPDBG32_THIS(iface);
 481     FIXME("(%p)->(%p)\n", This, ppda);
 482     return E_NOTIMPL;
 483 }
 484
 485 static HRESULT WINAPI ActiveScriptSiteDebug32_GetRootApplicationNode(IActiveScriptSiteDebug32 *iface,
 486             IDebugApplicationNode **ppdanRoot)
 487 {
 488     ScriptHost *This = ACTSCPDBG32_THIS(iface);
 489     FIXME("(%p)->(%p)\n", This, ppdanRoot);
 490     return E_NOTIMPL;
 491 }
 492
 493 static HRESULT WINAPI ActiveScriptSiteDebug32_OnScriptErrorDebug(IActiveScriptSiteDebug32 *iface,
 494             IActiveScriptErrorDebug *pErrorDebug, BOOL *pfEnterDebugger, BOOL *pfCallOnScriptErrorWhenContinuing)
 495 {
 496     ScriptHost *This = ACTSCPDBG32_THIS(iface);
 497     FIXME("(%p)->(%p %p %p)\n", This, pErrorDebug, pfEnterDebugger, pfCallOnScriptErrorWhenContinuing);
 498     return E_NOTIMPL;
 499 }
 500
 501 #undef ACTSCPDBG32_THIS
 502
 503 static const IActiveScriptSiteDebug32Vtbl ActiveScriptSiteDebug32Vtbl = {
 504     ActiveScriptSiteDebug32_QueryInterface,
 505     ActiveScriptSiteDebug32_AddRef,
 506     ActiveScriptSiteDebug32_Release,
 507     ActiveScriptSiteDebug32_GetDocumentContextFromPosition,
 508     ActiveScriptSiteDebug32_GetApplication,
 509     ActiveScriptSiteDebug32_GetRootApplicationNode,
 510     ActiveScriptSiteDebug32_OnScriptErrorDebug
 511 };
 512
 513 static ScriptHost *create_script_host(HTMLDocument *doc, const GUID *guid)
 514 {
 515     ScriptHost *ret;
 516     HRESULT hres;
 517
 518     ret = heap_alloc_zero(sizeof(*ret));
 519     ret->lpIActiveScriptSiteVtbl               = &ActiveScriptSiteVtbl;
 520     ret->lpIActiveScriptSiteInterruptPollVtbl  = &ActiveScriptSiteInterruptPollVtbl;
 521     ret->lpIActiveScriptSiteWindowVtbl         = &ActiveScriptSiteWindowVtbl;
 522     ret->lpIActiveScriptSiteDebug32Vtbl        = &ActiveScriptSiteDebug32Vtbl;
 523     ret->ref = 1;
 524     ret->doc = doc;
 525     ret->script_state = SCRIPTSTATE_UNINITIALIZED;
 526
 527     ret->guid = *guid;
 528     list_add_tail(&doc->script_hosts, &ret->entry);
 529
 530     hres = CoCreateInstance(&ret->guid, NULL, CLSCTX_INPROC_SERVER|CLSCTX_INPROC_HANDLER,
 531             &IID_IActiveScript, (void**)&ret->script);
 532     if(FAILED(hres))
 533         WARN("Could not load script engine: %08x\n", hres);
 534     else if(!init_script_engine(ret))
 535         release_script_engine(ret);
 536
 537     return ret;
 538 }
 539
 540 static void parse_text(ScriptHost *script_host, LPCWSTR text)
 541 {
 542     EXCEPINFO excepinfo;
 543     VARIANT var;
 544     HRESULT hres;
 545
 546     static const WCHAR script_endW[] = {'<','/','S','C','R','I','P','T','>',0};
 547
 548     TRACE("%s\n", debugstr_w(text));
 549
 550     VariantInit(&var);
 551     memset(&excepinfo, 0, sizeof(excepinfo));
 552     hres = IActiveScriptParse_ParseScriptText(script_host->parse, text, windowW, NULL, script_endW,
 553                                               0, 0, SCRIPTTEXT_ISVISIBLE|SCRIPTTEXT_HOSTMANAGESSOURCE,
 554                                               &var, &excepinfo);
 555     if(FAILED(hres))
 556         WARN("ParseScriptText failed: %08x\n", hres);
 557
 558 }
 559
 560 static void parse_extern_script(ScriptHost *script_host, LPCWSTR src)
 561 {
 562     IMoniker *mon;
 563     char *buf;
 564     WCHAR *text;
 565     DWORD len, size=0;
 566     HRESULT hres;
 567
 568     static const WCHAR wine_schemaW[] = {'w','i','n','e',':'};
 569
 570     if(strlenW(src) > sizeof(wine_schemaW)/sizeof(WCHAR) && !memcmp(src, wine_schemaW, sizeof(wine_schemaW)))
 571         src += sizeof(wine_schemaW)/sizeof(WCHAR);
 572
 573     hres = CreateURLMoniker(NULL, src, &mon);
 574     if(FAILED(hres))
 575         return;
 576
 577     hres = bind_mon_to_buffer(script_host->doc, mon, (void**)&buf, &size);
 578     IMoniker_Release(mon);
 579     if(FAILED(hres))
 580         return;
 581
 582     len = MultiByteToWideChar(CP_ACP, 0, buf, size, NULL, 0);
 583     text = heap_alloc((len+1)*sizeof(WCHAR));
 584     MultiByteToWideChar(CP_ACP, 0, buf, size, text, len);
 585     heap_free(buf);
 586     text[len] = 0;
 587
 588     parse_text(script_host, text);
 589
 590     heap_free(text);
 591 }
 592
 593 static void parse_inline_script(ScriptHost *script_host, nsIDOMHTMLScriptElement *nsscript)
 594 {
 595     const PRUnichar *text;
 596     nsAString text_str;
 597     nsresult nsres;
 598
 599     nsAString_Init(&text_str, NULL);
 600
 601     nsres = nsIDOMHTMLScriptElement_GetText(nsscript, &text_str);
 602
 603     if(NS_SUCCEEDED(nsres)) {
 604         nsAString_GetData(&text_str, &text);
 605         parse_text(script_host, text);
 606     }else {
 607         ERR("GetText failed: %08x\n", nsres);
 608     }
 609
 610     nsAString_Finish(&text_str);
 611 }
 612
 613 static void parse_script_elem(ScriptHost *script_host, nsIDOMHTMLScriptElement *nsscript)
 614 {
 615     const PRUnichar *src;
 616     nsAString src_str;
 617     nsresult nsres;
 618
 619     nsAString_Init(&src_str, NULL);
 620
 621     nsres = nsIDOMHTMLScriptElement_GetSrc(nsscript, &src_str);
 622     nsAString_GetData(&src_str, &src);
 623
 624     if(NS_FAILED(nsres))
 625         ERR("GetSrc failed: %08x\n", nsres);
 626     else if(*src)
 627         parse_extern_script(script_host, src);
 628     else
 629         parse_inline_script(script_host, nsscript);
 630
 631     nsAString_Finish(&src_str);
 632 }
 633
 634 static BOOL get_guid_from_type(LPCWSTR type, GUID *guid)
 635 {
 636     const WCHAR text_javascriptW[] =
 637         {'t','e','x','t','/','j','a','v','a','s','c','r','i','p','t',0};
 638
 639     /* FIXME: Handle more types */
 640     if(!strcmpW(type, text_javascriptW)) {
 641         *guid = CLSID_JScript;
 642     }else {
 643         FIXME("Unknown type %s\n", debugstr_w(type));
 644         return FALSE;
 645     }
 646
 647     return TRUE;
 648 }
 649
 650 static BOOL get_guid_from_language(LPCWSTR type, GUID *guid)
 651 {
 652     HRESULT hres;
 653
 654     hres = CLSIDFromProgID(type, guid);
 655     if(FAILED(hres))
 656         return FALSE;
 657
 658     /* FIXME: Check CATID_ActiveScriptParse */
 659
 660     return TRUE;
 661 }
 662
 663 static BOOL get_script_guid(nsIDOMHTMLScriptElement *nsscript, GUID *guid)
 664 {
 665     nsAString attr_str, val_str;
 666     BOOL ret = FALSE;
 667     nsresult nsres;
 668
 669     static const PRUnichar languageW[] = {'l','a','n','g','u','a','g','e',0};
 670
 671     nsAString_Init(&val_str, NULL);
 672
 673     nsres = nsIDOMHTMLScriptElement_GetType(nsscript, &val_str);
 674     if(NS_SUCCEEDED(nsres)) {
 675         const PRUnichar *type;
 676
 677         nsAString_GetData(&val_str, &type);
 678         if(*type) {
 679             ret = get_guid_from_type(type, guid);
 680             nsAString_Finish(&val_str);
 681             return ret;
 682         }
 683     }else {
 684         ERR("GetType failed: %08x\n", nsres);
 685     }
 686
 687     nsAString_Init(&attr_str, languageW);
 688
 689     nsres = nsIDOMHTMLScriptElement_GetAttribute(nsscript, &attr_str, &val_str);
 690     if(NS_SUCCEEDED(nsres)) {
 691         const PRUnichar *language;
 692
 693         nsAString_GetData(&val_str, &language);
 694
 695         if(*language) {
 696             ret = get_guid_from_language(language, guid);
 697         }else {
 698             *guid = CLSID_JScript;
 699             ret = TRUE;
 700         }
 701     }else {
 702         ERR("GetAttribute(language) failed: %08x\n", nsres);
 703     }
 704
 705     nsAString_Finish(&attr_str);
 706     nsAString_Finish(&val_str);
 707
 708     return ret;
 709 }
 710
 711 static ScriptHost *get_script_host(HTMLDocument *doc, const GUID *guid)
 712 {
 713     ScriptHost *iter;
 714
 715     if(IsEqualGUID(&CLSID_JScript, &guid) && doc->scriptmode != SCRIPTMODE_ACTIVESCRIPT) {
 716         TRACE("Ignoring JScript\n");
 717         return NULL;
 718     }
 719
 720     LIST_FOR_EACH_ENTRY(iter, &doc->script_hosts, ScriptHost, entry) {
 721         if(IsEqualGUID(guid, &iter->guid))
 722             return iter;
 723     }
 724
 725     return create_script_host(doc, guid);
 726 }
 727
 728 void doc_insert_script(HTMLDocument *doc, nsIDOMHTMLScriptElement *nsscript)
 729 {
 730     ScriptHost *script_host;
 731     GUID guid;
 732
 733     if(!get_script_guid(nsscript, &guid)) {
 734         WARN("Could not find script GUID\n");
 735         return;
 736     }
 737
 738     script_host = get_script_host(doc, &guid);
 739     if(!script_host)
 740         return;
 741
 742     if(script_host->parse)
 743         parse_script_elem(script_host, nsscript);
 744 }
 745
 746 IDispatch *script_parse_event(HTMLDocument *doc, LPCWSTR text)
 747 {
 748     ScriptHost *script_host;
 749     GUID guid = CLSID_JScript;
 750     const WCHAR *ptr;
 751     IDispatch *disp;
 752     HRESULT hres;
 753
 754     static const WCHAR delimiterW[] = {'\"',0};
 755
 756     for(ptr = text; isalnumW(*ptr); ptr++);
 757     if(*ptr == ':') {
 758         LPWSTR language;
 759         BOOL b;
 760
 761         language = heap_alloc((ptr-text+1)*sizeof(WCHAR));
 762         memcpy(language, text, (ptr-text)*sizeof(WCHAR));
 763         language[ptr-text] = 0;
 764
 765         b = get_guid_from_language(language, &guid);
 766
 767         heap_free(language);
 768
 769         if(!b) {
 770             WARN("Could not find language\n");
 771             return NULL;
 772         }
 773
 774         ptr++;
 775     }else {
 776         ptr = text;
 777     }
 778
 779     script_host = get_script_host(doc, &guid);
 780     if(!script_host || !script_host->parse_proc)
 781         return NULL;
 782
 783     hres = IActiveScriptParseProcedure_ParseProcedureText(script_host->parse_proc, ptr, NULL, emptyW,
 784             NULL, NULL, delimiterW, 0 /* FIXME */, 0,
 785             SCRIPTPROC_HOSTMANAGESSOURCE|SCRIPTPROC_IMPLICIT_THIS|SCRIPTPROC_IMPLICIT_PARENTS, &disp);
 786     if(FAILED(hres)) {
 787         WARN("ParseProcedureText failed: %08x\n", hres);
 788         return NULL;
 789     }
 790
 791     TRACE("ret %p\n", disp);
 792     return disp;
 793 }
 794
 795 static BOOL is_jscript_available(void)
 796 {
 797     static BOOL available, checked;
 798
 799     if(!checked) {
 800         IUnknown *unk;
 801         HRESULT hres = CoGetClassObject(&CLSID_JScript, CLSCTX_INPROC_SERVER, NULL, &IID_IUnknown, (void**)&unk);
 802
 803         if(SUCCEEDED(hres)) {
 804             available = TRUE;
 805             IUnknown_Release(unk);
 806         }else {
 807             available = FALSE;
 808         }
 809         checked = TRUE;
 810     }
 811
 812     return available;
 813 }
 814
 815 void set_script_mode(HTMLDocument *doc, SCRIPTMODE mode)
 816 {
 817     nsIWebBrowserSetup *setup;
 818     nsresult nsres;
 819
 820     if(mode == SCRIPTMODE_ACTIVESCRIPT && !is_jscript_available()) {
 821         TRACE("jscript.dll not available\n");
 822         doc->scriptmode = SCRIPTMODE_GECKO;
 823         return;
 824     }
 825
 826     doc->scriptmode = mode;
 827
 828     if(!doc->nscontainer || !doc->nscontainer->webbrowser)
 829         return;
 830
 831     nsres = nsIWebBrowser_QueryInterface(doc->nscontainer->webbrowser,
 832             &IID_nsIWebBrowserSetup, (void**)&setup);
 833     if(NS_SUCCEEDED(nsres)) {
 834         nsres = nsIWebBrowserSetup_SetProperty(setup, SETUP_ALLOW_JAVASCRIPT,
 835                 doc->scriptmode == SCRIPTMODE_GECKO);
 836         nsIWebBrowserSetup_Release(setup);
 837     }
 838
 839     if(NS_FAILED(nsres))
 840         ERR("JavaScript setup failed: %08x\n", nsres);
 841 }
 842
 843 void release_script_hosts(HTMLDocument *doc)
 844 {
 845     ScriptHost *iter;
 846
 847     while(!list_empty(&doc->script_hosts)) {
 848         iter = LIST_ENTRY(list_head(&doc->script_hosts), ScriptHost, entry);
 849
 850         release_script_engine(iter);
 851         list_remove(&iter->entry);
 852         iter->doc = NULL;
 853         IActiveScript_Release(ACTSCPSITE(iter));
 854     }
 855 }