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 #include <assert.h>
  23
  24 #define COBJMACROS
  25
  26 #include "windef.h"
  27 #include "winbase.h"
  28 #include "winuser.h"
  29 #include "ole2.h"
  30 #include "activscp.h"
  31 #include "activdbg.h"
  32 #include "shlwapi.h"
  33
  34 #include "wine/debug.h"
  35
  36 #include "mshtml_private.h"
  37 #include "htmlscript.h"
  38 #include "pluginhost.h"
  39 #include "htmlevent.h"
  40 #include "binding.h"
  41
  42 WINE_DEFAULT_DEBUG_CHANNEL(mshtml);
  43
  44 #ifdef _WIN64
  45
  46 #define CTXARG_T DWORDLONG
  47 #define IActiveScriptSiteDebugVtbl IActiveScriptSiteDebug64Vtbl
  48
  49 #define IActiveScriptParse_Release IActiveScriptParse64_Release
  50 #define IActiveScriptParse_InitNew IActiveScriptParse64_InitNew
  51 #define IActiveScriptParse_ParseScriptText IActiveScriptParse64_ParseScriptText
  52 #define IActiveScriptParseProcedure2_Release IActiveScriptParseProcedure2_64_Release
  53 #define IActiveScriptParseProcedure2_ParseProcedureText IActiveScriptParseProcedure2_64_ParseProcedureText
  54
  55 #else
  56
  57 #define CTXARG_T DWORD
  58 #define IActiveScriptSiteDebugVtbl IActiveScriptSiteDebug32Vtbl
  59
  60 #define IActiveScriptParse_Release IActiveScriptParse32_Release
  61 #define IActiveScriptParse_InitNew IActiveScriptParse32_InitNew
  62 #define IActiveScriptParse_ParseScriptText IActiveScriptParse32_ParseScriptText
  63 #define IActiveScriptParseProcedure2_Release IActiveScriptParseProcedure2_32_Release
  64 #define IActiveScriptParseProcedure2_ParseProcedureText IActiveScriptParseProcedure2_32_ParseProcedureText
  65
  66 #endif
  67
  68 static const WCHAR documentW[] = {'d','o','c','u','m','e','n','t',0};
  69 static const WCHAR windowW[] = {'w','i','n','d','o','w',0};
  70 static const WCHAR script_endW[] = {'<','/','S','C','R','I','P','T','>',0};
  71 static const WCHAR emptyW[] = {0};
  72
  73 struct ScriptHost {
  74     IActiveScriptSite              IActiveScriptSite_iface;
  75     IActiveScriptSiteInterruptPoll IActiveScriptSiteInterruptPoll_iface;
  76     IActiveScriptSiteWindow        IActiveScriptSiteWindow_iface;
  77     IActiveScriptSiteUIControl     IActiveScriptSiteUIControl_iface;
  78     IActiveScriptSiteDebug         IActiveScriptSiteDebug_iface;
  79     IServiceProvider               IServiceProvider_iface;
  80
  81     LONG ref;
  82
  83     IActiveScript *script;
  84     IActiveScriptParse *parse;
  85     IActiveScriptParseProcedure2 *parse_proc;
  86
  87     SCRIPTSTATE script_state;
  88
  89     HTMLInnerWindow *window;
  90
  91     GUID guid;
  92     struct list entry;
  93 };
  94
  95 static ScriptHost *get_elem_script_host(HTMLInnerWindow*,HTMLScriptElement*);
  96
  97 static void set_script_prop(ScriptHost *script_host, DWORD property, VARIANT *val)
  98 {
  99     IActiveScriptProperty *script_prop;
 100     HRESULT hres;
 101
 102     hres = IActiveScript_QueryInterface(script_host->script, &IID_IActiveScriptProperty,
 103             (void**)&script_prop);
 104     if(FAILED(hres)) {
 105         WARN("Could not get IActiveScriptProperty iface: %08x\n", hres);
 106         return;
 107     }
 108
 109     hres = IActiveScriptProperty_SetProperty(script_prop, property, NULL, val);
 110     IActiveScriptProperty_Release(script_prop);
 111     if(FAILED(hres))
 112         WARN("SetProperty(%x) failed: %08x\n", property, hres);
 113 }
 114
 115 static BOOL is_quirks_mode(HTMLDocumentNode *doc)
 116 {
 117     const WCHAR *compat_mode;
 118     nsAString nsstr;
 119     nsresult nsres;
 120     BOOL ret = FALSE;
 121
 122     static const WCHAR BackCompatW[] = {'B','a','c','k','C','o','m','p','a','t',0};
 123
 124     nsAString_Init(&nsstr, NULL);
 125     nsres = nsIDOMHTMLDocument_GetCompatMode(doc->nsdoc, &nsstr);
 126     if(NS_SUCCEEDED(nsres)) {
 127         nsAString_GetData(&nsstr, &compat_mode);
 128         if(!strcmpW(compat_mode, BackCompatW))
 129             ret = TRUE;
 130     }
 131     nsAString_Finish(&nsstr);
 132     return ret;
 133 }
 134
 135 static BOOL init_script_engine(ScriptHost *script_host)
 136 {
 137     IObjectSafety *safety;
 138     SCRIPTSTATE state;
 139     DWORD supported_opts=0, enabled_opts=0;
 140     VARIANT var;
 141     HRESULT hres;
 142
 143     hres = IActiveScript_QueryInterface(script_host->script, &IID_IActiveScriptParse, (void**)&script_host->parse);
 144     if(FAILED(hres)) {
 145         WARN("Could not get IActiveScriptParse: %08x\n", hres);
 146         return FALSE;
 147     }
 148
 149     hres = IActiveScript_QueryInterface(script_host->script, &IID_IObjectSafety, (void**)&safety);
 150     if(FAILED(hres)) {
 151         FIXME("Could not get IObjectSafety: %08x\n", hres);
 152         return FALSE;
 153     }
 154
 155     hres = IObjectSafety_GetInterfaceSafetyOptions(safety, &IID_IActiveScriptParse, &supported_opts, &enabled_opts);
 156     if(FAILED(hres)) {
 157         FIXME("GetInterfaceSafetyOptions failed: %08x\n", hres);
 158     }else if(!(supported_opts & INTERFACE_USES_DISPEX)) {
 159         FIXME("INTERFACE_USES_DISPEX is not supported\n");
 160     }else {
 161         hres = IObjectSafety_SetInterfaceSafetyOptions(safety, &IID_IActiveScriptParse,
 162                 INTERFACESAFE_FOR_UNTRUSTED_DATA|INTERFACE_USES_DISPEX|INTERFACE_USES_SECURITY_MANAGER,
 163                 INTERFACESAFE_FOR_UNTRUSTED_DATA|INTERFACE_USES_DISPEX|INTERFACE_USES_SECURITY_MANAGER);
 164         if(FAILED(hres))
 165             FIXME("SetInterfaceSafetyOptions failed: %08x\n", hres);
 166     }
 167
 168     IObjectSafety_Release(safety);
 169     if(FAILED(hres))
 170         return FALSE;
 171
 172     V_VT(&var) = VT_I4;
 173     V_I4(&var) = is_quirks_mode(script_host->window->doc) ? 1 : 2;
 174     set_script_prop(script_host, SCRIPTPROP_INVOKEVERSIONING, &var);
 175
 176     V_VT(&var) = VT_BOOL;
 177     V_BOOL(&var) = VARIANT_TRUE;
 178     set_script_prop(script_host, SCRIPTPROP_HACK_TRIDENTEVENTSINK, &var);
 179
 180     hres = IActiveScriptParse_InitNew(script_host->parse);
 181     if(FAILED(hres)) {
 182         WARN("InitNew failed: %08x\n", hres);
 183         return FALSE;
 184     }
 185
 186     hres = IActiveScript_SetScriptSite(script_host->script, &script_host->IActiveScriptSite_iface);
 187     if(FAILED(hres)) {
 188         WARN("SetScriptSite failed: %08x\n", hres);
 189         IActiveScript_Close(script_host->script);
 190         return FALSE;
 191     }
 192
 193     hres = IActiveScript_GetScriptState(script_host->script, &state);
 194     if(FAILED(hres))
 195         WARN("GetScriptState failed: %08x\n", hres);
 196     else if(state != SCRIPTSTATE_INITIALIZED)
 197         FIXME("state = %x\n", state);
 198
 199     hres = IActiveScript_SetScriptState(script_host->script, SCRIPTSTATE_STARTED);
 200     if(FAILED(hres)) {
 201         WARN("Starting script failed: %08x\n", hres);
 202         return FALSE;
 203     }
 204
 205     hres = IActiveScript_AddNamedItem(script_host->script, windowW,
 206             SCRIPTITEM_ISVISIBLE|SCRIPTITEM_ISSOURCE|SCRIPTITEM_GLOBALMEMBERS);
 207     if(SUCCEEDED(hres)) {
 208         V_VT(&var) = VT_BOOL;
 209         V_BOOL(&var) = VARIANT_TRUE;
 210         set_script_prop(script_host, SCRIPTPROP_ABBREVIATE_GLOBALNAME_RESOLUTION, &var);
 211     }else {
 212        WARN("AddNamedItem failed: %08x\n", hres);
 213     }
 214
 215     hres = IActiveScript_QueryInterface(script_host->script, &IID_IActiveScriptParseProcedure2,
 216                                         (void**)&script_host->parse_proc);
 217     if(FAILED(hres)) {
 218         /* FIXME: QI for IActiveScriptParseProcedure */
 219         WARN("Could not get IActiveScriptParseProcedure iface: %08x\n", hres);
 220     }
 221
 222     return TRUE;
 223 }
 224
 225 static void release_script_engine(ScriptHost *This)
 226 {
 227     if(!This->script)
 228         return;
 229
 230     switch(This->script_state) {
 231     case SCRIPTSTATE_CONNECTED:
 232         IActiveScript_SetScriptState(This->script, SCRIPTSTATE_DISCONNECTED);
 233
 234     case SCRIPTSTATE_STARTED:
 235     case SCRIPTSTATE_DISCONNECTED:
 236     case SCRIPTSTATE_INITIALIZED:
 237         IActiveScript_Close(This->script);
 238
 239     default:
 240         if(This->parse_proc) {
 241             IActiveScriptParseProcedure2_Release(This->parse_proc);
 242             This->parse_proc = NULL;
 243         }
 244
 245         if(This->parse) {
 246             IActiveScriptParse_Release(This->parse);
 247             This->parse = NULL;
 248         }
 249     }
 250
 251     IActiveScript_Release(This->script);
 252     This->script = NULL;
 253     This->script_state = SCRIPTSTATE_UNINITIALIZED;
 254 }
 255
 256 void connect_scripts(HTMLInnerWindow *window)
 257 {
 258     ScriptHost *iter;
 259
 260     LIST_FOR_EACH_ENTRY(iter, &window->script_hosts, ScriptHost, entry) {
 261         if(iter->script_state == SCRIPTSTATE_STARTED)
 262             IActiveScript_SetScriptState(iter->script, SCRIPTSTATE_CONNECTED);
 263     }
 264 }
 265
 266 static inline ScriptHost *impl_from_IActiveScriptSite(IActiveScriptSite *iface)
 267 {
 268     return CONTAINING_RECORD(iface, ScriptHost, IActiveScriptSite_iface);
 269 }
 270
 271 static HRESULT WINAPI ActiveScriptSite_QueryInterface(IActiveScriptSite *iface, REFIID riid, void **ppv)
 272 {
 273     ScriptHost *This = impl_from_IActiveScriptSite(iface);
 274
 275     *ppv = NULL;
 276
 277     if(IsEqualGUID(&IID_IUnknown, riid)) {
 278         TRACE("(%p)->(IID_IUnknown %p)\n", This, ppv);
 279         *ppv = &This->IActiveScriptSite_iface;
 280     }else if(IsEqualGUID(&IID_IActiveScriptSite, riid)) {
 281         TRACE("(%p)->(IID_IActiveScriptSite %p)\n", This, ppv);
 282         *ppv = &This->IActiveScriptSite_iface;
 283     }else if(IsEqualGUID(&IID_IActiveScriptSiteInterruptPoll, riid)) {
 284         TRACE("(%p)->(IID_IActiveScriptSiteInterruprtPoll %p)\n", This, ppv);
 285         *ppv = &This->IActiveScriptSiteInterruptPoll_iface;
 286     }else if(IsEqualGUID(&IID_IActiveScriptSiteWindow, riid)) {
 287         TRACE("(%p)->(IID_IActiveScriptSiteWindow %p)\n", This, ppv);
 288         *ppv = &This->IActiveScriptSiteWindow_iface;
 289     }else if(IsEqualGUID(&IID_IActiveScriptSiteUIControl, riid)) {
 290         TRACE("(%p)->(IID_IActiveScriptSiteUIControl %p)\n", This, ppv);
 291         *ppv = &This->IActiveScriptSiteUIControl_iface;
 292     }else if(IsEqualGUID(&IID_IActiveScriptSiteDebug, riid)) {
 293         TRACE("(%p)->(IID_IActiveScriptSiteDebug %p)\n", This, ppv);
 294         *ppv = &This->IActiveScriptSiteDebug_iface;
 295     }else if(IsEqualGUID(&IID_IServiceProvider, riid)) {
 296         TRACE("(%p)->(IID_IServiceProvider %p)\n", This, ppv);
 297         *ppv = &This->IServiceProvider_iface;
 298     }else if(IsEqualGUID(&IID_ICanHandleException, riid)) {
 299         TRACE("(%p)->(IID_ICanHandleException not supported %p)\n", This, ppv);
 300         return E_NOINTERFACE;
 301     }else {
 302         FIXME("(%p)->(%s %p)\n", This, debugstr_guid(riid), ppv);
 303         return E_NOINTERFACE;
 304     }
 305
 306     IUnknown_AddRef((IUnknown*)*ppv);
 307     return S_OK;
 308 }
 309
 310 static ULONG WINAPI ActiveScriptSite_AddRef(IActiveScriptSite *iface)
 311 {
 312     ScriptHost *This = impl_from_IActiveScriptSite(iface);
 313     LONG ref = InterlockedIncrement(&This->ref);
 314
 315     TRACE("(%p) ref=%d\n", This, ref);
 316
 317     return ref;
 318 }
 319
 320 static ULONG WINAPI ActiveScriptSite_Release(IActiveScriptSite *iface)
 321 {
 322     ScriptHost *This = impl_from_IActiveScriptSite(iface);
 323     LONG ref = InterlockedDecrement(&This->ref);
 324
 325     TRACE("(%p) ref=%d\n", This, ref);
 326
 327     if(!ref) {
 328         release_script_engine(This);
 329         if(This->window)
 330             list_remove(&This->entry);
 331         heap_free(This);
 332     }
 333
 334     return ref;
 335 }
 336
 337 static HRESULT WINAPI ActiveScriptSite_GetLCID(IActiveScriptSite *iface, LCID *plcid)
 338 {
 339     ScriptHost *This = impl_from_IActiveScriptSite(iface);
 340
 341     TRACE("(%p)->(%p)\n", This, plcid);
 342
 343     *plcid = GetUserDefaultLCID();
 344     return S_OK;
 345 }
 346
 347 static HRESULT WINAPI ActiveScriptSite_GetItemInfo(IActiveScriptSite *iface, LPCOLESTR pstrName,
 348         DWORD dwReturnMask, IUnknown **ppiunkItem, ITypeInfo **ppti)
 349 {
 350     ScriptHost *This = impl_from_IActiveScriptSite(iface);
 351
 352     TRACE("(%p)->(%s %x %p %p)\n", This, debugstr_w(pstrName), dwReturnMask, ppiunkItem, ppti);
 353
 354     if(dwReturnMask != SCRIPTINFO_IUNKNOWN) {
 355         FIXME("Unsupported mask %x\n", dwReturnMask);
 356         return E_NOTIMPL;
 357     }
 358
 359     *ppiunkItem = NULL;
 360
 361     if(strcmpW(pstrName, windowW))
 362         return DISP_E_MEMBERNOTFOUND;
 363
 364     if(!This->window)
 365         return E_FAIL;
 366
 367     /* FIXME: Return proxy object */
 368     *ppiunkItem = (IUnknown*)&This->window->base.IHTMLWindow2_iface;
 369     IUnknown_AddRef(*ppiunkItem);
 370
 371     return S_OK;
 372 }
 373
 374 static HRESULT WINAPI ActiveScriptSite_GetDocVersionString(IActiveScriptSite *iface, BSTR *pbstrVersion)
 375 {
 376     ScriptHost *This = impl_from_IActiveScriptSite(iface);
 377     FIXME("(%p)->(%p)\n", This, pbstrVersion);
 378     return E_NOTIMPL;
 379 }
 380
 381 static HRESULT WINAPI ActiveScriptSite_OnScriptTerminate(IActiveScriptSite *iface,
 382         const VARIANT *pvarResult, const EXCEPINFO *pexcepinfo)
 383 {
 384     ScriptHost *This = impl_from_IActiveScriptSite(iface);
 385     FIXME("(%p)->(%p %p)\n", This, pvarResult, pexcepinfo);
 386     return E_NOTIMPL;
 387 }
 388
 389 static HRESULT WINAPI ActiveScriptSite_OnStateChange(IActiveScriptSite *iface, SCRIPTSTATE ssScriptState)
 390 {
 391     ScriptHost *This = impl_from_IActiveScriptSite(iface);
 392
 393     TRACE("(%p)->(%x)\n", This, ssScriptState);
 394
 395     This->script_state = ssScriptState;
 396     return S_OK;
 397 }
 398
 399 static HRESULT WINAPI ActiveScriptSite_OnScriptError(IActiveScriptSite *iface, IActiveScriptError *pscripterror)
 400 {
 401     ScriptHost *This = impl_from_IActiveScriptSite(iface);
 402     FIXME("(%p)->(%p)\n", This, pscripterror);
 403     return E_NOTIMPL;
 404 }
 405
 406 static HRESULT WINAPI ActiveScriptSite_OnEnterScript(IActiveScriptSite *iface)
 407 {
 408     ScriptHost *This = impl_from_IActiveScriptSite(iface);
 409
 410     TRACE("(%p)->()\n", This);
 411
 412     return S_OK;
 413 }
 414
 415 static HRESULT WINAPI ActiveScriptSite_OnLeaveScript(IActiveScriptSite *iface)
 416 {
 417     ScriptHost *This = impl_from_IActiveScriptSite(iface);
 418
 419     TRACE("(%p)->()\n", This);
 420
 421     return S_OK;
 422 }
 423
 424 static const IActiveScriptSiteVtbl ActiveScriptSiteVtbl = {
 425     ActiveScriptSite_QueryInterface,
 426     ActiveScriptSite_AddRef,
 427     ActiveScriptSite_Release,
 428     ActiveScriptSite_GetLCID,
 429     ActiveScriptSite_GetItemInfo,
 430     ActiveScriptSite_GetDocVersionString,
 431     ActiveScriptSite_OnScriptTerminate,
 432     ActiveScriptSite_OnStateChange,
 433     ActiveScriptSite_OnScriptError,
 434     ActiveScriptSite_OnEnterScript,
 435     ActiveScriptSite_OnLeaveScript
 436 };
 437
 438 static inline ScriptHost *impl_from_IActiveScriptSiteInterruptPoll(IActiveScriptSiteInterruptPoll *iface)
 439 {
 440     return CONTAINING_RECORD(iface, ScriptHost, IActiveScriptSiteInterruptPoll_iface);
 441 }
 442
 443 static HRESULT WINAPI ActiveScriptSiteInterruptPoll_QueryInterface(IActiveScriptSiteInterruptPoll *iface,
 444         REFIID riid, void **ppv)
 445 {
 446     ScriptHost *This = impl_from_IActiveScriptSiteInterruptPoll(iface);
 447     return IActiveScriptSite_QueryInterface(&This->IActiveScriptSite_iface, riid, ppv);
 448 }
 449
 450 static ULONG WINAPI ActiveScriptSiteInterruptPoll_AddRef(IActiveScriptSiteInterruptPoll *iface)
 451 {
 452     ScriptHost *This = impl_from_IActiveScriptSiteInterruptPoll(iface);
 453     return IActiveScriptSite_AddRef(&This->IActiveScriptSite_iface);
 454 }
 455
 456 static ULONG WINAPI ActiveScriptSiteInterruptPoll_Release(IActiveScriptSiteInterruptPoll *iface)
 457 {
 458     ScriptHost *This = impl_from_IActiveScriptSiteInterruptPoll(iface);
 459     return IActiveScriptSite_Release(&This->IActiveScriptSite_iface);
 460 }
 461
 462 static HRESULT WINAPI ActiveScriptSiteInterruptPoll_QueryContinue(IActiveScriptSiteInterruptPoll *iface)
 463 {
 464     ScriptHost *This = impl_from_IActiveScriptSiteInterruptPoll(iface);
 465
 466     TRACE("(%p)\n", This);
 467
 468     return S_OK;
 469 }
 470
 471 static const IActiveScriptSiteInterruptPollVtbl ActiveScriptSiteInterruptPollVtbl = {
 472     ActiveScriptSiteInterruptPoll_QueryInterface,
 473     ActiveScriptSiteInterruptPoll_AddRef,
 474     ActiveScriptSiteInterruptPoll_Release,
 475     ActiveScriptSiteInterruptPoll_QueryContinue
 476 };
 477
 478 static inline ScriptHost *impl_from_IActiveScriptSiteWindow(IActiveScriptSiteWindow *iface)
 479 {
 480     return CONTAINING_RECORD(iface, ScriptHost, IActiveScriptSiteWindow_iface);
 481 }
 482
 483 static HRESULT WINAPI ActiveScriptSiteWindow_QueryInterface(IActiveScriptSiteWindow *iface,
 484         REFIID riid, void **ppv)
 485 {
 486     ScriptHost *This = impl_from_IActiveScriptSiteWindow(iface);
 487     return IActiveScriptSite_QueryInterface(&This->IActiveScriptSite_iface, riid, ppv);
 488 }
 489
 490 static ULONG WINAPI ActiveScriptSiteWindow_AddRef(IActiveScriptSiteWindow *iface)
 491 {
 492     ScriptHost *This = impl_from_IActiveScriptSiteWindow(iface);
 493     return IActiveScriptSite_AddRef(&This->IActiveScriptSite_iface);
 494 }
 495
 496 static ULONG WINAPI ActiveScriptSiteWindow_Release(IActiveScriptSiteWindow *iface)
 497 {
 498     ScriptHost *This = impl_from_IActiveScriptSiteWindow(iface);
 499     return IActiveScriptSite_Release(&This->IActiveScriptSite_iface);
 500 }
 501
 502 static HRESULT WINAPI ActiveScriptSiteWindow_GetWindow(IActiveScriptSiteWindow *iface, HWND *phwnd)
 503 {
 504     ScriptHost *This = impl_from_IActiveScriptSiteWindow(iface);
 505
 506     TRACE("(%p)->(%p)\n", This, phwnd);
 507
 508     if(!This->window || !This->window->base.outer_window || !This->window->base.outer_window->doc_obj)
 509         return E_UNEXPECTED;
 510
 511     *phwnd = This->window->base.outer_window->doc_obj->hwnd;
 512     return S_OK;
 513 }
 514
 515 static HRESULT WINAPI ActiveScriptSiteWindow_EnableModeless(IActiveScriptSiteWindow *iface, BOOL fEnable)
 516 {
 517     ScriptHost *This = impl_from_IActiveScriptSiteWindow(iface);
 518     FIXME("(%p)->(%x)\n", This, fEnable);
 519     return S_OK;
 520 }
 521
 522 static const IActiveScriptSiteWindowVtbl ActiveScriptSiteWindowVtbl = {
 523     ActiveScriptSiteWindow_QueryInterface,
 524     ActiveScriptSiteWindow_AddRef,
 525     ActiveScriptSiteWindow_Release,
 526     ActiveScriptSiteWindow_GetWindow,
 527     ActiveScriptSiteWindow_EnableModeless
 528 };
 529
 530 static inline ScriptHost *impl_from_IActiveScriptSiteUIControl(IActiveScriptSiteUIControl *iface)
 531 {
 532     return CONTAINING_RECORD(iface, ScriptHost, IActiveScriptSiteUIControl_iface);
 533 }
 534
 535 static HRESULT WINAPI ActiveScriptSiteUIControl_QueryInterface(IActiveScriptSiteUIControl *iface, REFIID riid, void **ppv)
 536 {
 537     ScriptHost *This = impl_from_IActiveScriptSiteUIControl(iface);
 538     return IActiveScriptSite_QueryInterface(&This->IActiveScriptSite_iface, riid, ppv);
 539 }
 540
 541 static ULONG WINAPI ActiveScriptSiteUIControl_AddRef(IActiveScriptSiteUIControl *iface)
 542 {
 543     ScriptHost *This = impl_from_IActiveScriptSiteUIControl(iface);
 544     return IActiveScriptSite_AddRef(&This->IActiveScriptSite_iface);
 545 }
 546
 547 static ULONG WINAPI ActiveScriptSiteUIControl_Release(IActiveScriptSiteUIControl *iface)
 548 {
 549     ScriptHost *This = impl_from_IActiveScriptSiteUIControl(iface);
 550     return IActiveScriptSite_Release(&This->IActiveScriptSite_iface);
 551 }
 552
 553 static HRESULT WINAPI ActiveScriptSiteUIControl_GetUIBehavior(IActiveScriptSiteUIControl *iface, SCRIPTUICITEM UicItem,
 554         SCRIPTUICHANDLING *pUicHandling)
 555 {
 556     ScriptHost *This = impl_from_IActiveScriptSiteUIControl(iface);
 557
 558     WARN("(%p)->(%d %p) semi-stub\n", This, UicItem, pUicHandling);
 559
 560     *pUicHandling = SCRIPTUICHANDLING_ALLOW;
 561     return S_OK;
 562 }
 563
 564 static const IActiveScriptSiteUIControlVtbl ActiveScriptSiteUIControlVtbl = {
 565     ActiveScriptSiteUIControl_QueryInterface,
 566     ActiveScriptSiteUIControl_AddRef,
 567     ActiveScriptSiteUIControl_Release,
 568     ActiveScriptSiteUIControl_GetUIBehavior
 569 };
 570
 571 static inline ScriptHost *impl_from_IActiveScriptSiteDebug(IActiveScriptSiteDebug *iface)
 572 {
 573     return CONTAINING_RECORD(iface, ScriptHost, IActiveScriptSiteDebug_iface);
 574 }
 575
 576 static HRESULT WINAPI ActiveScriptSiteDebug_QueryInterface(IActiveScriptSiteDebug *iface,
 577         REFIID riid, void **ppv)
 578 {
 579     ScriptHost *This = impl_from_IActiveScriptSiteDebug(iface);
 580     return IActiveScriptSite_QueryInterface(&This->IActiveScriptSite_iface, riid, ppv);
 581 }
 582
 583 static ULONG WINAPI ActiveScriptSiteDebug_AddRef(IActiveScriptSiteDebug *iface)
 584 {
 585     ScriptHost *This = impl_from_IActiveScriptSiteDebug(iface);
 586     return IActiveScriptSite_AddRef(&This->IActiveScriptSite_iface);
 587 }
 588
 589 static ULONG WINAPI ActiveScriptSiteDebug_Release(IActiveScriptSiteDebug *iface)
 590 {
 591     ScriptHost *This = impl_from_IActiveScriptSiteDebug(iface);
 592     return IActiveScriptSite_Release(&This->IActiveScriptSite_iface);
 593 }
 594
 595 static HRESULT WINAPI ActiveScriptSiteDebug_GetDocumentContextFromPosition(IActiveScriptSiteDebug *iface,
 596             CTXARG_T dwSourceContext, ULONG uCharacterOffset, ULONG uNumChars, IDebugDocumentContext **ppsc)
 597 {
 598     ScriptHost *This = impl_from_IActiveScriptSiteDebug(iface);
 599     FIXME("(%p)->(%s %u %u %p)\n", This, wine_dbgstr_longlong(dwSourceContext), uCharacterOffset,
 600           uNumChars, ppsc);
 601     return E_NOTIMPL;
 602 }
 603
 604 static HRESULT WINAPI ActiveScriptSiteDebug_GetApplication(IActiveScriptSiteDebug *iface, IDebugApplication **ppda)
 605 {
 606     ScriptHost *This = impl_from_IActiveScriptSiteDebug(iface);
 607     FIXME("(%p)->(%p)\n", This, ppda);
 608     return E_NOTIMPL;
 609 }
 610
 611 static HRESULT WINAPI ActiveScriptSiteDebug_GetRootApplicationNode(IActiveScriptSiteDebug *iface,
 612             IDebugApplicationNode **ppdanRoot)
 613 {
 614     ScriptHost *This = impl_from_IActiveScriptSiteDebug(iface);
 615     FIXME("(%p)->(%p)\n", This, ppdanRoot);
 616     return E_NOTIMPL;
 617 }
 618
 619 static HRESULT WINAPI ActiveScriptSiteDebug_OnScriptErrorDebug(IActiveScriptSiteDebug *iface,
 620             IActiveScriptErrorDebug *pErrorDebug, BOOL *pfEnterDebugger, BOOL *pfCallOnScriptErrorWhenContinuing)
 621 {
 622     ScriptHost *This = impl_from_IActiveScriptSiteDebug(iface);
 623     FIXME("(%p)->(%p %p %p)\n", This, pErrorDebug, pfEnterDebugger, pfCallOnScriptErrorWhenContinuing);
 624     return E_NOTIMPL;
 625 }
 626
 627 static const IActiveScriptSiteDebugVtbl ActiveScriptSiteDebugVtbl = {
 628     ActiveScriptSiteDebug_QueryInterface,
 629     ActiveScriptSiteDebug_AddRef,
 630     ActiveScriptSiteDebug_Release,
 631     ActiveScriptSiteDebug_GetDocumentContextFromPosition,
 632     ActiveScriptSiteDebug_GetApplication,
 633     ActiveScriptSiteDebug_GetRootApplicationNode,
 634     ActiveScriptSiteDebug_OnScriptErrorDebug
 635 };
 636
 637 static inline ScriptHost *impl_from_IServiceProvider(IServiceProvider *iface)
 638 {
 639     return CONTAINING_RECORD(iface, ScriptHost, IServiceProvider_iface);
 640 }
 641
 642 static HRESULT WINAPI ASServiceProvider_QueryInterface(IServiceProvider *iface, REFIID riid, void **ppv)
 643 {
 644     ScriptHost *This = impl_from_IServiceProvider(iface);
 645     return IActiveScriptSite_QueryInterface(&This->IActiveScriptSite_iface, riid, ppv);
 646 }
 647
 648 static ULONG WINAPI ASServiceProvider_AddRef(IServiceProvider *iface)
 649 {
 650     ScriptHost *This = impl_from_IServiceProvider(iface);
 651     return IActiveScriptSite_AddRef(&This->IActiveScriptSite_iface);
 652 }
 653
 654 static ULONG WINAPI ASServiceProvider_Release(IServiceProvider *iface)
 655 {
 656     ScriptHost *This = impl_from_IServiceProvider(iface);
 657     return IActiveScriptSite_Release(&This->IActiveScriptSite_iface);
 658 }
 659
 660 static HRESULT WINAPI ASServiceProvider_QueryService(IServiceProvider *iface, REFGUID guidService,
 661         REFIID riid, void **ppv)
 662 {
 663     ScriptHost *This = impl_from_IServiceProvider(iface);
 664
 665     if(IsEqualGUID(&SID_SInternetHostSecurityManager, guidService)) {
 666         TRACE("(%p)->(SID_SInternetHostSecurityManager)\n", This);
 667
 668         if(!This->window || !This->window->doc)
 669             return E_NOINTERFACE;
 670
 671         return IInternetHostSecurityManager_QueryInterface(&This->window->doc->IInternetHostSecurityManager_iface,
 672                 riid, ppv);
 673     }
 674
 675     if(IsEqualGUID(&SID_SContainerDispatch, guidService)) {
 676         TRACE("(%p)->(SID_SContainerDispatch)\n", This);
 677
 678         if(!This->window || !This->window->doc)
 679             return E_NOINTERFACE;
 680
 681         return IHTMLDocument2_QueryInterface(&This->window->doc->basedoc.IHTMLDocument2_iface, riid, ppv);
 682     }
 683
 684     FIXME("(%p)->(%s %s %p)\n", This, debugstr_guid(guidService), debugstr_guid(riid), ppv);
 685     return E_NOINTERFACE;
 686 }
 687
 688 static const IServiceProviderVtbl ASServiceProviderVtbl = {
 689     ASServiceProvider_QueryInterface,
 690     ASServiceProvider_AddRef,
 691     ASServiceProvider_Release,
 692     ASServiceProvider_QueryService
 693 };
 694
 695 static ScriptHost *create_script_host(HTMLInnerWindow *window, const GUID *guid)
 696 {
 697     ScriptHost *ret;
 698     HRESULT hres;
 699
 700     ret = heap_alloc_zero(sizeof(*ret));
 701     if(!ret)
 702         return NULL;
 703
 704     ret->IActiveScriptSite_iface.lpVtbl = &ActiveScriptSiteVtbl;
 705     ret->IActiveScriptSiteInterruptPoll_iface.lpVtbl = &ActiveScriptSiteInterruptPollVtbl;
 706     ret->IActiveScriptSiteWindow_iface.lpVtbl = &ActiveScriptSiteWindowVtbl;
 707     ret->IActiveScriptSiteUIControl_iface.lpVtbl = &ActiveScriptSiteUIControlVtbl;
 708     ret->IActiveScriptSiteDebug_iface.lpVtbl = &ActiveScriptSiteDebugVtbl;
 709     ret->IServiceProvider_iface.lpVtbl = &ASServiceProviderVtbl;
 710     ret->ref = 1;
 711     ret->window = window;
 712     ret->script_state = SCRIPTSTATE_UNINITIALIZED;
 713
 714     ret->guid = *guid;
 715     list_add_tail(&window->script_hosts, &ret->entry);
 716
 717     hres = CoCreateInstance(&ret->guid, NULL, CLSCTX_INPROC_SERVER|CLSCTX_INPROC_HANDLER,
 718             &IID_IActiveScript, (void**)&ret->script);
 719     if(FAILED(hres))
 720         WARN("Could not load script engine: %08x\n", hres);
 721     else if(!init_script_engine(ret))
 722         release_script_engine(ret);
 723
 724     return ret;
 725 }
 726
 727 typedef struct {
 728     task_t header;
 729     HTMLScriptElement *elem;
 730 } fire_readystatechange_task_t;
 731
 732 static void fire_readystatechange_proc(task_t *_task)
 733 {
 734     fire_readystatechange_task_t *task = (fire_readystatechange_task_t*)_task;
 735
 736     if(!task->elem->pending_readystatechange_event)
 737         return;
 738
 739     task->elem->pending_readystatechange_event = FALSE;
 740     fire_event(task->elem->element.node.doc, EVENTID_READYSTATECHANGE, FALSE, &task->elem->element.node, NULL, NULL);
 741 }
 742
 743 static void fire_readystatechange_task_destr(task_t *_task)
 744 {
 745     fire_readystatechange_task_t *task = (fire_readystatechange_task_t*)_task;
 746
 747     IHTMLScriptElement_Release(&task->elem->IHTMLScriptElement_iface);
 748 }
 749
 750 static void set_script_elem_readystate(HTMLScriptElement *script_elem, READYSTATE readystate)
 751 {
 752     script_elem->readystate = readystate;
 753
 754     if(readystate != READYSTATE_INTERACTIVE) {
 755         if(!script_elem->element.node.doc->window->parser_callback_cnt) {
 756             fire_readystatechange_task_t *task;
 757             HRESULT hres;
 758
 759             if(script_elem->pending_readystatechange_event)
 760                 return;
 761
 762             task = heap_alloc(sizeof(*task));
 763             if(!task)
 764                 return;
 765
 766             IHTMLScriptElement_AddRef(&script_elem->IHTMLScriptElement_iface);
 767             task->elem = script_elem;
 768
 769             hres = push_task(&task->header, fire_readystatechange_proc, fire_readystatechange_task_destr,
 770                     script_elem->element.node.doc->window->task_magic);
 771             if(SUCCEEDED(hres))
 772                 script_elem->pending_readystatechange_event = TRUE;
 773         }else {
 774             script_elem->pending_readystatechange_event = FALSE;
 775             fire_event(script_elem->element.node.doc, EVENTID_READYSTATECHANGE, FALSE,
 776                     &script_elem->element.node, NULL, NULL);
 777         }
 778     }
 779 }
 780
 781 static void parse_elem_text(ScriptHost *script_host, HTMLScriptElement *script_elem, LPCWSTR text)
 782 {
 783     EXCEPINFO excepinfo;
 784     VARIANT var;
 785     HRESULT hres;
 786
 787     TRACE("%s\n", debugstr_w(text));
 788
 789     VariantInit(&var);
 790     memset(&excepinfo, 0, sizeof(excepinfo));
 791     TRACE(">>>\n");
 792     hres = IActiveScriptParse_ParseScriptText(script_host->parse, text, windowW, NULL, script_endW,
 793                                               0, 0, SCRIPTTEXT_ISVISIBLE|SCRIPTTEXT_HOSTMANAGESSOURCE,
 794                                               &var, &excepinfo);
 795     if(SUCCEEDED(hres))
 796         TRACE("<<<\n");
 797     else
 798         WARN("<<< %08x\n", hres);
 799 }
 800
 801 typedef struct {
 802     BSCallback bsc;
 803
 804     HTMLScriptElement *script_elem;
 805     DWORD scheme;
 806
 807     DWORD size;
 808     char *buf;
 809 } ScriptBSC;
 810
 811 static HRESULT get_binding_text(ScriptBSC *bsc, WCHAR **ret)
 812 {
 813     UINT cp = CP_UTF8;
 814     WCHAR *text;
 815
 816     if(!bsc->bsc.readed) {
 817         text = heap_alloc(sizeof(WCHAR));
 818         if(!text)
 819             return E_OUTOFMEMORY;
 820         *text = 0;
 821         *ret = text;
 822         return S_OK;
 823     }
 824
 825     switch(bsc->bsc.bom) {
 826     case BOM_UTF16:
 827         if(bsc->bsc.readed % sizeof(WCHAR)) {
 828             FIXME("The buffer is not a valid utf16 string\n");
 829             return E_FAIL;
 830         }
 831
 832         text = heap_alloc(bsc->bsc.readed+sizeof(WCHAR));
 833         if(!text)
 834             return E_OUTOFMEMORY;
 835
 836         memcpy(text, bsc->buf, bsc->bsc.readed);
 837         text[bsc->bsc.readed/sizeof(WCHAR)] = 0;
 838         break;
 839
 840     default:
 841         /* FIXME: Try to use charset from HTTP headers first */
 842         cp = get_document_charset(bsc->script_elem->element.node.doc);
 843         /* fall through */
 844     case BOM_UTF8: {
 845         DWORD len;
 846
 847         len = MultiByteToWideChar(cp, 0, bsc->buf, bsc->bsc.readed, NULL, 0);
 848         text = heap_alloc((len+1)*sizeof(WCHAR));
 849         if(!text)
 850             return E_OUTOFMEMORY;
 851
 852         MultiByteToWideChar(cp, 0, bsc->buf, bsc->bsc.readed, text, len);
 853         text[len] = 0;
 854     }
 855     }
 856
 857     *ret = text;
 858     return S_OK;
 859 }
 860
 861 static void script_file_available(ScriptBSC *bsc)
 862 {
 863     HTMLScriptElement *script_elem = bsc->script_elem;
 864     HTMLInnerWindow *window = bsc->bsc.window;
 865     ScriptHost *script_host;
 866     nsIDOMNode *parent;
 867     nsresult nsres;
 868     HRESULT hres;
 869
 870     assert(window != NULL);
 871
 872     hres = get_binding_text(bsc, &script_elem->src_text);
 873     if(FAILED(hres))
 874         return;
 875
 876     script_host = get_elem_script_host(window, script_elem);
 877     if(!script_host)
 878         return;
 879
 880     if(window->parser_callback_cnt) {
 881         script_queue_entry_t *queue;
 882
 883         TRACE("Adding to queue\n");
 884
 885         queue = heap_alloc(sizeof(*queue));
 886         if(!queue)
 887             return;
 888
 889         IHTMLScriptElement_AddRef(&script_elem->IHTMLScriptElement_iface);
 890         queue->script = script_elem;
 891
 892         list_add_tail(&window->script_queue, &queue->entry);
 893         return;
 894     }
 895
 896     nsres = nsIDOMHTMLElement_GetParentNode(script_elem->element.nselem, &parent);
 897     if(NS_FAILED(nsres) || !parent) {
 898         TRACE("No parent, not executing\n");
 899         script_elem->parse_on_bind = TRUE;
 900         return;
 901     }
 902
 903     nsIDOMNode_Release(parent);
 904
 905     script_host = get_elem_script_host(window, script_elem);
 906     if(!script_host)
 907         return;
 908
 909     script_elem->parsed = TRUE;
 910     if(script_host->parse)
 911         parse_elem_text(script_host, script_elem, script_elem->src_text);
 912 }
 913
 914 static inline ScriptBSC *impl_from_BSCallback(BSCallback *iface)
 915 {
 916     return CONTAINING_RECORD(iface, ScriptBSC, bsc);
 917 }
 918
 919 static void ScriptBSC_destroy(BSCallback *bsc)
 920 {
 921     ScriptBSC *This = impl_from_BSCallback(bsc);
 922
 923     if(This->script_elem) {
 924         IHTMLScriptElement_Release(&This->script_elem->IHTMLScriptElement_iface);
 925         This->script_elem = NULL;
 926     }
 927
 928     heap_free(This->buf);
 929     heap_free(This);
 930 }
 931
 932 static HRESULT ScriptBSC_init_bindinfo(BSCallback *bsc)
 933 {
 934     return S_OK;
 935 }
 936
 937 static HRESULT ScriptBSC_start_binding(BSCallback *bsc)
 938 {
 939     ScriptBSC *This = impl_from_BSCallback(bsc);
 940
 941     This->script_elem->binding = &This->bsc;
 942
 943     /* FIXME: We should find a better to decide if 'loading' state is supposed to be used by the protocol. */
 944     if(This->scheme == URL_SCHEME_HTTPS || This->scheme == URL_SCHEME_HTTP)
 945         set_script_elem_readystate(This->script_elem, READYSTATE_LOADING);
 946
 947     return S_OK;
 948 }
 949
 950 static HRESULT ScriptBSC_stop_binding(BSCallback *bsc, HRESULT result)
 951 {
 952     ScriptBSC *This = impl_from_BSCallback(bsc);
 953
 954     if(SUCCEEDED(result) && !This->script_elem)
 955         result = E_UNEXPECTED;
 956
 957     assert(FAILED(result) || This->script_elem->binding == &This->bsc);
 958     This->script_elem->binding = NULL;
 959
 960     if(This->script_elem->readystate == READYSTATE_LOADING)
 961         set_script_elem_readystate(This->script_elem, READYSTATE_LOADED);
 962
 963     if(SUCCEEDED(result)) {
 964         script_file_available(This);
 965     }else {
 966         FIXME("binding failed %08x\n", result);
 967         heap_free(This->buf);
 968         This->buf = NULL;
 969         This->size = 0;
 970     }
 971
 972     IHTMLScriptElement_Release(&This->script_elem->IHTMLScriptElement_iface);
 973     This->script_elem = NULL;
 974     return S_OK;
 975 }
 976
 977 static HRESULT ScriptBSC_read_data(BSCallback *bsc, IStream *stream)
 978 {
 979     ScriptBSC *This = impl_from_BSCallback(bsc);
 980     DWORD readed;
 981     HRESULT hres;
 982
 983     if(!This->buf) {
 984         This->buf = heap_alloc(128);
 985         if(!This->buf)
 986             return E_OUTOFMEMORY;
 987         This->size = 128;
 988     }
 989
 990     do {
 991         if(This->bsc.readed >= This->size) {
 992             void *new_buf;
 993             new_buf = heap_realloc(This->buf, This->size << 1);
 994             if(!new_buf)
 995                 return E_OUTOFMEMORY;
 996             This->size <<= 1;
 997             This->buf = new_buf;
 998         }
 999
1000         hres = read_stream(&This->bsc, stream, This->buf+This->bsc.readed, This->size-This->bsc.readed, &readed);
1001     }while(hres == S_OK);
1002
1003     return S_OK;
1004 }
1005
1006 static HRESULT ScriptBSC_on_progress(BSCallback *bsc, ULONG status_code, LPCWSTR status_text)
1007 {
1008     return S_OK;
1009 }
1010
1011 static HRESULT ScriptBSC_on_response(BSCallback *bsc, DWORD response_code,
1012         LPCWSTR response_headers)
1013 {
1014     return S_OK;
1015 }
1016
1017 static HRESULT ScriptBSC_beginning_transaction(BSCallback *bsc, WCHAR **additional_headers)
1018 {
1019     return S_FALSE;
1020 }
1021
1022 static const BSCallbackVtbl ScriptBSCVtbl = {
1023     ScriptBSC_destroy,
1024     ScriptBSC_init_bindinfo,
1025     ScriptBSC_start_binding,
1026     ScriptBSC_stop_binding,
1027     ScriptBSC_read_data,
1028     ScriptBSC_on_progress,
1029     ScriptBSC_on_response,
1030     ScriptBSC_beginning_transaction
1031 };
1032
1033
1034 HRESULT load_script(HTMLScriptElement *script_elem, const WCHAR *src, BOOL async)
1035 {
1036     HTMLInnerWindow *window;
1037     ScriptBSC *bsc;
1038     IMoniker *mon;
1039     IUri *uri;
1040     HRESULT hres;
1041
1042     static const WCHAR wine_schemaW[] = {'w','i','n','e',':'};
1043
1044     if(strlenW(src) > sizeof(wine_schemaW)/sizeof(WCHAR) && !memcmp(src, wine_schemaW, sizeof(wine_schemaW)))
1045         src += sizeof(wine_schemaW)/sizeof(WCHAR);
1046
1047     TRACE("(%p %s %x)\n", script_elem, debugstr_w(src), async);
1048
1049     if(!script_elem->element.node.doc || !(window = script_elem->element.node.doc->window)) {
1050         ERR("no window\n");
1051         return E_UNEXPECTED;
1052     }
1053
1054     hres = create_uri(src, 0, &uri);
1055     if(FAILED(hres))
1056         return hres;
1057
1058     hres = CreateURLMonikerEx2(NULL, uri, &mon, URL_MK_UNIFORM);
1059     if(FAILED(hres))
1060         return hres;
1061
1062     bsc = heap_alloc_zero(sizeof(*bsc));
1063     if(!bsc) {
1064         IMoniker_Release(mon);
1065         return E_OUTOFMEMORY;
1066     }
1067
1068     init_bscallback(&bsc->bsc, &ScriptBSCVtbl, mon, async ? BINDF_ASYNCHRONOUS | BINDF_ASYNCSTORAGE | BINDF_PULLDATA : 0);
1069     IMoniker_Release(mon);
1070
1071     hres = IUri_GetScheme(uri, &bsc->scheme);
1072     if(FAILED(hres))
1073         bsc->scheme = URL_SCHEME_UNKNOWN;
1074
1075     IHTMLScriptElement_AddRef(&script_elem->IHTMLScriptElement_iface);
1076     bsc->script_elem = script_elem;
1077
1078     hres = start_binding(window, &bsc->bsc, NULL);
1079
1080     IBindStatusCallback_Release(&bsc->bsc.IBindStatusCallback_iface);
1081     return hres;
1082 }
1083
1084 static void parse_inline_script(ScriptHost *script_host, HTMLScriptElement *script_elem)
1085 {
1086     const PRUnichar *text;
1087     nsAString text_str;
1088     nsresult nsres;
1089
1090     nsAString_Init(&text_str, NULL);
1091     nsres = nsIDOMHTMLScriptElement_GetText(script_elem->nsscript, &text_str);
1092     nsAString_GetData(&text_str, &text);
1093
1094     set_script_elem_readystate(script_elem, READYSTATE_INTERACTIVE);
1095
1096     if(NS_FAILED(nsres)) {
1097         ERR("GetText failed: %08x\n", nsres);
1098     }else if(*text) {
1099         parse_elem_text(script_host, script_elem, text);
1100     }
1101
1102     nsAString_Finish(&text_str);
1103 }
1104
1105 static BOOL parse_script_elem(ScriptHost *script_host, HTMLScriptElement *script_elem)
1106 {
1107     nsAString src_str, event_str;
1108     BOOL is_complete = FALSE;
1109     const PRUnichar *src;
1110     nsresult nsres;
1111
1112     nsAString_Init(&event_str, NULL);
1113     nsres = nsIDOMHTMLScriptElement_GetEvent(script_elem->nsscript, &event_str);
1114     if(NS_SUCCEEDED(nsres)) {
1115         const PRUnichar *event;
1116
1117         nsAString_GetData(&event_str, &event);
1118         if(*event) {
1119             TRACE("deferring event %s script evaluation\n", debugstr_w(event));
1120             nsAString_Finish(&event_str);
1121             return FALSE;
1122         }
1123     }else {
1124         ERR("GetEvent failed: %08x\n", nsres);
1125     }
1126     nsAString_Finish(&event_str);
1127
1128     nsAString_Init(&src_str, NULL);
1129     nsres = nsIDOMHTMLScriptElement_GetSrc(script_elem->nsscript, &src_str);
1130     nsAString_GetData(&src_str, &src);
1131
1132     if(NS_FAILED(nsres)) {
1133         ERR("GetSrc failed: %08x\n", nsres);
1134     }else if(*src) {
1135         load_script(script_elem, src, FALSE);
1136         is_complete = script_elem->parsed;
1137     }else {
1138         parse_inline_script(script_host, script_elem);
1139         is_complete = TRUE;
1140     }
1141
1142     nsAString_Finish(&src_str);
1143
1144     return is_complete;
1145 }
1146
1147 static GUID get_default_script_guid(HTMLInnerWindow *window)
1148 {
1149     /* If not specified, we should use very first script host that was created for the page (or JScript if none) */
1150     return list_empty(&window->script_hosts)
1151         ? CLSID_JScript
1152         : LIST_ENTRY(list_head(&window->script_hosts), ScriptHost, entry)->guid;
1153 }
1154
1155 static BOOL get_guid_from_type(LPCWSTR type, GUID *guid)
1156 {
1157     const WCHAR text_javascriptW[] =
1158         {'t','e','x','t','/','j','a','v','a','s','c','r','i','p','t',0};
1159     const WCHAR text_jscriptW[] =
1160         {'t','e','x','t','/','j','s','c','r','i','p','t',0};
1161     const WCHAR text_vbscriptW[] =
1162         {'t','e','x','t','/','v','b','s','c','r','i','p','t',0};
1163
1164     /* FIXME: Handle more types */
1165     if(!strcmpiW(type, text_javascriptW) || !strcmpiW(type, text_jscriptW)) {
1166         *guid = CLSID_JScript;
1167     }else if(!strcmpiW(type, text_vbscriptW)) {
1168         *guid = CLSID_VBScript;
1169     }else {
1170         FIXME("Unknown type %s\n", debugstr_w(type));
1171         return FALSE;
1172     }
1173
1174     return TRUE;
1175 }
1176
1177 static BOOL get_guid_from_language(LPCWSTR type, GUID *guid)
1178 {
1179     HRESULT hres;
1180
1181     hres = CLSIDFromProgID(type, guid);
1182     if(FAILED(hres))
1183         return FALSE;
1184
1185     /* FIXME: Check CATID_ActiveScriptParse */
1186
1187     return TRUE;
1188 }
1189
1190 static BOOL get_script_guid(HTMLInnerWindow *window, nsIDOMHTMLScriptElement *nsscript, GUID *guid)
1191 {
1192     nsIDOMHTMLElement *nselem;
1193     const PRUnichar *language;
1194     nsAString val_str;
1195     BOOL ret = FALSE;
1196     nsresult nsres;
1197
1198     static const PRUnichar languageW[] = {'l','a','n','g','u','a','g','e',0};
1199
1200     nsAString_Init(&val_str, NULL);
1201
1202     nsres = nsIDOMHTMLScriptElement_GetType(nsscript, &val_str);
1203     if(NS_SUCCEEDED(nsres)) {
1204         const PRUnichar *type;
1205
1206         nsAString_GetData(&val_str, &type);
1207         if(*type) {
1208             ret = get_guid_from_type(type, guid);
1209             nsAString_Finish(&val_str);
1210             return ret;
1211         }
1212     }else {
1213         ERR("GetType failed: %08x\n", nsres);
1214     }
1215
1216     nsres = nsIDOMHTMLScriptElement_QueryInterface(nsscript, &IID_nsIDOMHTMLElement, (void**)&nselem);
1217     assert(nsres == NS_OK);
1218
1219     nsres = get_elem_attr_value(nselem, languageW, &val_str, &language);
1220     nsIDOMHTMLElement_Release(nselem);
1221     if(NS_SUCCEEDED(nsres)) {
1222         if(*language) {
1223             ret = get_guid_from_language(language, guid);
1224         }else {
1225             *guid = get_default_script_guid(window);
1226             ret = TRUE;
1227         }
1228         nsAString_Finish(&val_str);
1229     }
1230
1231     return ret;
1232 }
1233
1234 static ScriptHost *get_script_host(HTMLInnerWindow *window, const GUID *guid)
1235 {
1236     ScriptHost *iter;
1237
1238     LIST_FOR_EACH_ENTRY(iter, &window->script_hosts, ScriptHost, entry) {
1239         if(IsEqualGUID(guid, &iter->guid))
1240             return iter;
1241     }
1242
1243     return create_script_host(window, guid);
1244 }
1245
1246 static ScriptHost *get_elem_script_host(HTMLInnerWindow *window, HTMLScriptElement *script_elem)
1247 {
1248     GUID guid;
1249
1250     if(!get_script_guid(window, script_elem->nsscript, &guid)) {
1251         WARN("Could not find script GUID\n");
1252         return NULL;
1253     }
1254
1255     if(IsEqualGUID(&CLSID_JScript, &guid)
1256        && (!window->base.outer_window || window->base.outer_window->scriptmode != SCRIPTMODE_ACTIVESCRIPT)) {
1257         TRACE("Ignoring JScript\n");
1258         return NULL;
1259     }
1260
1261     return get_script_host(window, &guid);
1262 }
1263
1264 void doc_insert_script(HTMLInnerWindow *window, HTMLScriptElement *script_elem, BOOL from_parser)
1265 {
1266     ScriptHost *script_host;
1267     BOOL is_complete = FALSE;
1268
1269     script_host = get_elem_script_host(window, script_elem);
1270     if(!script_host)
1271         return;
1272
1273     if(script_host->parse) {
1274         if(script_elem->src_text) {
1275             if(from_parser)
1276                 set_script_elem_readystate(script_elem, READYSTATE_INTERACTIVE);
1277             script_elem->parsed = TRUE;
1278             parse_elem_text(script_host, script_elem, script_elem->src_text);
1279             is_complete = TRUE;
1280         }else if(!script_elem->binding) {
1281             is_complete = parse_script_elem(script_host, script_elem);
1282         }
1283     }
1284
1285     if(is_complete)
1286         set_script_elem_readystate(script_elem, READYSTATE_COMPLETE);
1287 }
1288
1289 IDispatch *script_parse_event(HTMLInnerWindow *window, LPCWSTR text)
1290 {
1291     ScriptHost *script_host;
1292     GUID guid;
1293     const WCHAR *ptr;
1294     IDispatch *disp;
1295     HRESULT hres;
1296
1297     static const WCHAR delimiterW[] = {'\"',0};
1298
1299     TRACE("%s\n", debugstr_w(text));
1300
1301     for(ptr = text; isalnumW(*ptr); ptr++);
1302     if(*ptr == ':') {
1303         LPWSTR language;
1304         BOOL b;
1305
1306         language = heap_alloc((ptr-text+1)*sizeof(WCHAR));
1307         if(!language)
1308             return NULL;
1309
1310         memcpy(language, text, (ptr-text)*sizeof(WCHAR));
1311         language[ptr-text] = 0;
1312
1313         b = get_guid_from_language(language, &guid);
1314
1315         heap_free(language);
1316
1317         if(!b) {
1318             WARN("Could not find language\n");
1319             return NULL;
1320         }
1321
1322         ptr++;
1323     }else {
1324         ptr = text;
1325         guid = get_default_script_guid(window);
1326     }
1327
1328     if(IsEqualGUID(&CLSID_JScript, &guid)
1329        && (!window->base.outer_window || window->base.outer_window->scriptmode != SCRIPTMODE_ACTIVESCRIPT)) {
1330         TRACE("Ignoring JScript\n");
1331         return NULL;
1332     }
1333
1334     script_host = get_script_host(window, &guid);
1335     if(!script_host || !script_host->parse_proc)
1336         return NULL;
1337
1338     hres = IActiveScriptParseProcedure2_ParseProcedureText(script_host->parse_proc, ptr, NULL, emptyW,
1339             NULL, NULL, delimiterW, 0 /* FIXME */, 0,
1340             SCRIPTPROC_HOSTMANAGESSOURCE|SCRIPTPROC_IMPLICIT_THIS|SCRIPTPROC_IMPLICIT_PARENTS, &disp);
1341     if(FAILED(hres)) {
1342         WARN("ParseProcedureText failed: %08x\n", hres);
1343         return NULL;
1344     }
1345
1346     TRACE("ret %p\n", disp);
1347     return disp;
1348 }
1349
1350 HRESULT exec_script(HTMLInnerWindow *window, const WCHAR *code, const WCHAR *lang, VARIANT *ret)
1351 {
1352     ScriptHost *script_host;
1353     EXCEPINFO ei;
1354     GUID guid;
1355     HRESULT hres;
1356
1357     static const WCHAR delimW[] = {'"',0};
1358
1359     if(!get_guid_from_language(lang, &guid)) {
1360         WARN("Could not find script GUID\n");
1361         return CO_E_CLASSSTRING;
1362     }
1363
1364     script_host = get_script_host(window, &guid);
1365     if(!script_host) {
1366         FIXME("No script host\n");
1367         return E_FAIL;
1368     }
1369
1370     if(!script_host->parse) {
1371         FIXME("script_host->parse == NULL\n");
1372         return E_FAIL;
1373     }
1374
1375     memset(&ei, 0, sizeof(ei));
1376     TRACE(">>>\n");
1377     hres = IActiveScriptParse_ParseScriptText(script_host->parse, code, NULL, NULL, delimW, 0, 0, SCRIPTTEXT_ISVISIBLE, ret, &ei);
1378     if(SUCCEEDED(hres))
1379         TRACE("<<<\n");
1380     else
1381         WARN("<<< %08x\n", hres);
1382
1383     return hres;
1384 }
1385
1386 IDispatch *get_script_disp(ScriptHost *script_host)
1387 {
1388     IDispatch *disp;
1389     HRESULT hres;
1390
1391     if(!script_host->script)
1392         return NULL;
1393
1394     hres = IActiveScript_GetScriptDispatch(script_host->script, windowW, &disp);
1395     if(FAILED(hres))
1396         return NULL;
1397
1398     return disp;
1399 }
1400
1401 static EventTarget *find_event_target(HTMLDocumentNode *doc, HTMLScriptElement *script_elem)
1402 {
1403     EventTarget *event_target = NULL;
1404     const PRUnichar *target_id;
1405     nsAString target_id_str;
1406     nsresult nsres;
1407     HRESULT hres;
1408
1409     nsAString_Init(&target_id_str, NULL);
1410     nsres = nsIDOMHTMLScriptElement_GetHtmlFor(script_elem->nsscript, &target_id_str);
1411     if(NS_FAILED(nsres)) {
1412         ERR("GetScriptFor failed: %08x\n", nsres);
1413         nsAString_Finish(&target_id_str);
1414         return NULL;
1415     }
1416
1417     nsAString_GetData(&target_id_str, &target_id);
1418     if(!*target_id) {
1419         FIXME("Empty for attribute\n");
1420     }else if(!strcmpW(target_id, documentW)) {
1421         event_target = &doc->node.event_target;
1422         htmldoc_addref(&doc->basedoc);
1423     }else if(!strcmpW(target_id, windowW)) {
1424         if(doc->window) {
1425             event_target = &doc->window->event_target;
1426             IDispatchEx_AddRef(&event_target->dispex.IDispatchEx_iface);
1427         }
1428     }else {
1429         HTMLElement *target_elem;
1430
1431         hres = get_doc_elem_by_id(doc, target_id, &target_elem);
1432         if(SUCCEEDED(hres) && target_elem) {
1433             event_target = &target_elem->node.event_target;
1434         }
1435     }
1436
1437     nsAString_Finish(&target_id_str);
1438     return event_target;
1439 }
1440
1441 static BOOL parse_event_str(WCHAR *event, const WCHAR **args)
1442 {
1443     WCHAR *ptr;
1444
1445     TRACE("%s\n", debugstr_w(event));
1446
1447     for(ptr = event; isalnumW(*ptr); ptr++);
1448     if(!*ptr) {
1449         *args = NULL;
1450         return TRUE;
1451     }
1452
1453     if(*ptr != '(')
1454         return FALSE;
1455
1456     *ptr++ = 0;
1457     *args = ptr;
1458     while(isalnumW(*ptr) || isspaceW(*ptr) || *ptr == ',')
1459         ptr++;
1460
1461     if(*ptr != ')')
1462         return FALSE;
1463
1464     *ptr++ = 0;
1465     return !*ptr;
1466 }
1467
1468 static IDispatch *parse_event_elem(HTMLDocumentNode *doc, HTMLScriptElement *script_elem, WCHAR **ret_event)
1469 {
1470     ScriptHost *script_host;
1471     WCHAR *event = NULL;
1472     const WCHAR *args;
1473     nsAString nsstr;
1474     IDispatch *disp;
1475     nsresult nsres;
1476     HRESULT hres;
1477
1478     if(script_elem->parsed)
1479         return NULL;
1480
1481     script_host = get_elem_script_host(doc->window, script_elem);
1482     if(!script_host || !script_host->parse_proc)
1483         return NULL;
1484
1485     nsAString_Init(&nsstr, NULL);
1486     nsres = nsIDOMHTMLScriptElement_GetEvent(script_elem->nsscript, &nsstr);
1487     if(NS_SUCCEEDED(nsres)) {
1488         const PRUnichar *event_val;
1489
1490         nsAString_GetData(&nsstr, &event_val);
1491         event = heap_strdupW(event_val);
1492     }
1493     nsAString_Finish(&nsstr);
1494     if(!event)
1495         return NULL;
1496
1497     if(!parse_event_str(event, &args)) {
1498         WARN("parsing %s failed\n", debugstr_w(event));
1499         heap_free(event);
1500         return NULL;
1501     }
1502
1503     nsAString_Init(&nsstr, NULL);
1504     nsres = nsIDOMHTMLScriptElement_GetText(script_elem->nsscript, &nsstr);
1505     if(NS_SUCCEEDED(nsres)) {
1506         const PRUnichar *text;
1507
1508         nsAString_GetData(&nsstr, &text);
1509         hres = IActiveScriptParseProcedure2_ParseProcedureText(script_host->parse_proc, text, args,
1510                 emptyW, NULL, NULL, script_endW, 0, 0,
1511                 SCRIPTPROC_HOSTMANAGESSOURCE|SCRIPTPROC_IMPLICIT_THIS|SCRIPTPROC_IMPLICIT_PARENTS, &disp);
1512         if(FAILED(hres))
1513             disp = NULL;
1514     }else {
1515         ERR("GetText failed: %08x\n", nsres);
1516         disp = NULL;
1517     }
1518     nsAString_Finish(&nsstr);
1519     if(!disp) {
1520         heap_free(event);
1521         return NULL;
1522     }
1523
1524     *ret_event = event;
1525     return disp;
1526 }
1527
1528 void bind_event_scripts(HTMLDocumentNode *doc)
1529 {
1530     HTMLPluginContainer *plugin_container;
1531     nsIDOMHTMLScriptElement *nsscript;
1532     HTMLScriptElement *script_elem;
1533     EventTarget *event_target;
1534     nsIDOMNodeList *node_list;
1535     nsIDOMNode *script_node;
1536     nsAString selector_str;
1537     IDispatch *event_disp;
1538     UINT32 length, i;
1539     WCHAR *event;
1540     nsresult nsres;
1541     HRESULT hres;
1542
1543     static const PRUnichar selectorW[] = {'s','c','r','i','p','t','[','e','v','e','n','t',']',0};
1544
1545     TRACE("%p\n", doc);
1546
1547     if(!doc->nsdoc)
1548         return;
1549
1550     nsAString_InitDepend(&selector_str, selectorW);
1551     nsres = nsIDOMHTMLDocument_QuerySelectorAll(doc->nsdoc, &selector_str, &node_list);
1552     nsAString_Finish(&selector_str);
1553     if(NS_FAILED(nsres)) {
1554         ERR("QuerySelectorAll failed: %08x\n", nsres);
1555         return;
1556     }
1557
1558     if(!node_list)
1559         return;
1560
1561     nsres = nsIDOMNodeList_GetLength(node_list, &length);
1562     assert(nsres == NS_OK);
1563
1564     for(i=0; i < length; i++) {
1565         nsres = nsIDOMNodeList_Item(node_list, i, &script_node);
1566         if(NS_FAILED(nsres) || !script_node) {
1567             ERR("Item(%d) failed: %08x\n", i, nsres);
1568             continue;
1569         }
1570
1571         nsres = nsIDOMNode_QueryInterface(script_node, &IID_nsIDOMHTMLScriptElement, (void**)&nsscript);
1572         assert(nsres == NS_OK);
1573         nsIDOMNode_Release(script_node);
1574
1575         hres = script_elem_from_nsscript(doc, nsscript, &script_elem);
1576         if(FAILED(hres))
1577             continue;
1578
1579         event_disp = parse_event_elem(doc, script_elem, &event);
1580         if(event_disp) {
1581             event_target = find_event_target(doc, script_elem);
1582             if(event_target) {
1583                 hres = IDispatchEx_QueryInterface(&event_target->dispex.IDispatchEx_iface, &IID_HTMLPluginContainer,
1584                         (void**)&plugin_container);
1585                 if(SUCCEEDED(hres))
1586                     bind_activex_event(doc, plugin_container, event, event_disp);
1587                 else
1588                     bind_target_event(doc, event_target, event, event_disp);
1589
1590                 IDispatchEx_Release(&event_target->dispex.IDispatchEx_iface);
1591                 if(plugin_container)
1592                     node_release(&plugin_container->element.node);
1593             }
1594
1595             heap_free(event);
1596             IDispatch_Release(event_disp);
1597         }
1598
1599         IHTMLScriptElement_Release(&script_elem->IHTMLScriptElement_iface);
1600     }
1601
1602     nsIDOMNodeList_Release(node_list);
1603 }
1604
1605 BOOL find_global_prop(HTMLInnerWindow *window, BSTR name, DWORD flags, ScriptHost **ret_host, DISPID *ret_id)
1606 {
1607     IDispatchEx *dispex;
1608     IDispatch *disp;
1609     ScriptHost *iter;
1610     HRESULT hres;
1611
1612     LIST_FOR_EACH_ENTRY(iter, &window->script_hosts, ScriptHost, entry) {
1613         disp = get_script_disp(iter);
1614         if(!disp)
1615             continue;
1616
1617         hres = IDispatch_QueryInterface(disp, &IID_IDispatchEx, (void**)&dispex);
1618         if(SUCCEEDED(hres)) {
1619             hres = IDispatchEx_GetDispID(dispex, name, flags & (~fdexNameEnsure), ret_id);
1620             IDispatchEx_Release(dispex);
1621         }else {
1622             FIXME("No IDispatchEx\n");
1623             hres = E_NOTIMPL;
1624         }
1625
1626         IDispatch_Release(disp);
1627         if(SUCCEEDED(hres)) {
1628             *ret_host = iter;
1629             return TRUE;
1630         }
1631     }
1632
1633     return FALSE;
1634 }
1635
1636 static BOOL is_jscript_available(void)
1637 {
1638     static BOOL available, checked;
1639
1640     if(!checked) {
1641         IUnknown *unk;
1642         HRESULT hres = CoGetClassObject(&CLSID_JScript, CLSCTX_INPROC_SERVER, NULL, &IID_IUnknown, (void**)&unk);
1643
1644         if(SUCCEEDED(hres)) {
1645             available = TRUE;
1646             IUnknown_Release(unk);
1647         }else {
1648             available = FALSE;
1649         }
1650         checked = TRUE;
1651     }
1652
1653     return available;
1654 }
1655
1656 void set_script_mode(HTMLOuterWindow *window, SCRIPTMODE mode)
1657 {
1658     nsIWebBrowserSetup *setup;
1659     nsresult nsres;
1660
1661     if(mode == SCRIPTMODE_ACTIVESCRIPT && !is_jscript_available()) {
1662         TRACE("jscript.dll not available\n");
1663         window->scriptmode = SCRIPTMODE_GECKO;
1664         return;
1665     }
1666
1667     window->scriptmode = mode;
1668
1669     if(!window->doc_obj->nscontainer || !window->doc_obj->nscontainer->webbrowser)
1670         return;
1671
1672     nsres = nsIWebBrowser_QueryInterface(window->doc_obj->nscontainer->webbrowser,
1673             &IID_nsIWebBrowserSetup, (void**)&setup);
1674     if(NS_SUCCEEDED(nsres)) {
1675         nsres = nsIWebBrowserSetup_SetProperty(setup, SETUP_ALLOW_JAVASCRIPT,
1676                 window->scriptmode == SCRIPTMODE_GECKO);
1677
1678         if(NS_SUCCEEDED(nsres))
1679             nsres = nsIWebBrowserSetup_SetProperty(setup, SETUP_DISABLE_NOSCRIPT, TRUE);
1680
1681         nsIWebBrowserSetup_Release(setup);
1682     }
1683
1684     if(NS_FAILED(nsres))
1685         ERR("JavaScript setup failed: %08x\n", nsres);
1686 }
1687
1688 void release_script_hosts(HTMLInnerWindow *window)
1689 {
1690     script_queue_entry_t *queue_iter;
1691     ScriptHost *iter;
1692
1693     while(!list_empty(&window->script_queue)) {
1694         queue_iter = LIST_ENTRY(list_head(&window->script_queue), script_queue_entry_t, entry);
1695
1696         list_remove(&queue_iter->entry);
1697         IHTMLScriptElement_Release(&queue_iter->script->IHTMLScriptElement_iface);
1698         heap_free(queue_iter);
1699     }
1700
1701     while(!list_empty(&window->script_hosts)) {
1702         iter = LIST_ENTRY(list_head(&window->script_hosts), ScriptHost, entry);
1703
1704         release_script_engine(iter);
1705         list_remove(&iter->entry);
1706         iter->window = NULL;
1707         IActiveScriptSite_Release(&iter->IActiveScriptSite_iface);
1708     }
1709 }