dlls/mshtml/nsevents.c

   1 /*
   2  * Copyright 2007-2008 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 <stdarg.h>
  20
  21 #define COBJMACROS
  22
  23 #include "windef.h"
  24 #include "winbase.h"
  25 #include "winuser.h"
  26 #include "ole2.h"
  27 #include "mshtmcid.h"
  28 #include "shlguid.h"
  29
  30 #include "wine/debug.h"
  31
  32 #include "mshtml_private.h"
  33 #include "htmlscript.h"
  34 #include "htmlevent.h"
  35 #include "binding.h"
  36 #include "resource.h"
  37
  38 WINE_DEFAULT_DEBUG_CHANNEL(mshtml);
  39
  40 typedef nsresult (*handler_t)(HTMLDocumentNode*,nsIDOMEvent*);
  41
  42 typedef struct {
  43     nsIDOMEventListener nsIDOMEventListener_iface;
  44     nsDocumentEventListener *This;
  45     handler_t handler;
  46 } nsEventListener;
  47
  48 static nsresult handle_blur(HTMLDocumentNode*,nsIDOMEvent*);
  49 static nsresult handle_focus(HTMLDocumentNode*,nsIDOMEvent*);
  50 static nsresult handle_keypress(HTMLDocumentNode*,nsIDOMEvent*);
  51 static nsresult handle_dom_content_loaded(HTMLDocumentNode*,nsIDOMEvent*);
  52 static nsresult handle_pageshow(HTMLDocumentNode*,nsIDOMEvent*);
  53 static nsresult handle_pagehide(HTMLDocumentNode*,nsIDOMEvent*);
  54 static nsresult handle_load(HTMLDocumentNode*,nsIDOMEvent*);
  55 static nsresult handle_beforeunload(HTMLDocumentNode*,nsIDOMEvent*);
  56 static nsresult handle_unload(HTMLDocumentNode*,nsIDOMEvent*);
  57
  58 enum doc_event_listener_flags {
  59     BUBBLES  = 0x0001,
  60     OVERRIDE = 0x0002,
  61 };
  62
  63 static const struct {
  64     eventid_t id;
  65     enum doc_event_listener_flags flags;
  66     handler_t handler;
  67 } doc_event_listeners[] = {
  68     { EVENTID_BLUR,             0,                  handle_blur },
  69     { EVENTID_FOCUS,            0,                  handle_focus },
  70     { EVENTID_KEYPRESS,         BUBBLES,            handle_keypress },
  71     { EVENTID_DOMCONTENTLOADED, OVERRIDE,           handle_dom_content_loaded },
  72     { EVENTID_PAGESHOW,         OVERRIDE,           handle_pageshow },
  73     { EVENTID_PAGEHIDE,         OVERRIDE,           handle_pagehide },
  74     { EVENTID_LOAD,             OVERRIDE,           handle_load },
  75     { EVENTID_BEFOREUNLOAD,     OVERRIDE,           handle_beforeunload },
  76     { EVENTID_UNLOAD,           OVERRIDE,           handle_unload },
  77 };
  78
  79 struct nsDocumentEventListener {
  80     nsEventListener listener[ARRAY_SIZE(doc_event_listeners)];
  81     nsEventListener htmlevent_listener;
  82
  83     LONG ref;
  84
  85     HTMLDocumentNode *doc;
  86 };
  87
  88 static LONG release_listener(nsDocumentEventListener *This)
  89 {
  90     LONG ref = InterlockedDecrement(&This->ref);
  91
  92     TRACE("(%p) ref=%ld\n", This, ref);
  93
  94     if(!ref)
  95         free(This);
  96
  97     return ref;
  98 }
  99
 100 static inline nsEventListener *impl_from_nsIDOMEventListener(nsIDOMEventListener *iface)
 101 {
 102     return CONTAINING_RECORD(iface, nsEventListener, nsIDOMEventListener_iface);
 103 }
 104
 105 static nsresult NSAPI nsDOMEventListener_QueryInterface(nsIDOMEventListener *iface,
 106         nsIIDRef riid, void **result)
 107 {
 108     nsEventListener *This = impl_from_nsIDOMEventListener(iface);
 109
 110     *result = NULL;
 111
 112     if(IsEqualGUID(&IID_nsISupports, riid)) {
 113         TRACE("(%p)->(IID_nsISupports, %p)\n", This, result);
 114         *result = &This->nsIDOMEventListener_iface;
 115     }else if(IsEqualGUID(&IID_nsIDOMEventListener, riid)) {
 116         TRACE("(%p)->(IID_nsIDOMEventListener %p)\n", This, result);
 117         *result = &This->nsIDOMEventListener_iface;
 118     }
 119
 120     if(*result) {
 121         nsIDOMEventListener_AddRef(&This->nsIDOMEventListener_iface);
 122         return NS_OK;
 123     }
 124
 125     TRACE("(%p)->(%s %p)\n", This, debugstr_guid(riid), result);
 126     return NS_NOINTERFACE;
 127 }
 128
 129 static nsrefcnt NSAPI nsDOMEventListener_AddRef(nsIDOMEventListener *iface)
 130 {
 131     nsEventListener *This = impl_from_nsIDOMEventListener(iface);
 132     LONG ref = InterlockedIncrement(&This->This->ref);
 133
 134     TRACE("(%p) ref=%ld\n", This->This, ref);
 135
 136     return ref;
 137 }
 138
 139 static nsrefcnt NSAPI nsDOMEventListener_Release(nsIDOMEventListener *iface)
 140 {
 141     nsEventListener *This = impl_from_nsIDOMEventListener(iface);
 142
 143     return release_listener(This->This);
 144 }
 145
 146 static nsresult NSAPI nsDOMEventListener_HandleEvent(nsIDOMEventListener *iface, nsIDOMEvent *event)
 147 {
 148     nsEventListener *This = impl_from_nsIDOMEventListener(iface);
 149     HTMLDocumentNode *doc = This->This->doc;
 150     HTMLInnerWindow *window;
 151     nsresult nsres;
 152
 153     if(!doc) {
 154         WARN("NULL doc!\n");
 155         return NS_ERROR_FAILURE;
 156     }
 157
 158     /* Hold a ref to the window, as some apps load another document during handlers */
 159     window = doc->window;
 160     if(window)
 161         IHTMLWindow2_AddRef(&window->base.IHTMLWindow2_iface);
 162
 163     nsres = This->handler(doc, event);
 164
 165     if(window)
 166         IHTMLWindow2_Release(&window->base.IHTMLWindow2_iface);
 167
 168     return nsres;
 169 }
 170
 171 static const nsIDOMEventListenerVtbl nsDOMEventListenerVtbl = {
 172     nsDOMEventListener_QueryInterface,
 173     nsDOMEventListener_AddRef,
 174     nsDOMEventListener_Release,
 175     nsDOMEventListener_HandleEvent
 176 };
 177
 178 static BOOL is_doc_child_focus(GeckoBrowser *nscontainer)
 179 {
 180     HWND hwnd;
 181
 182     for(hwnd = GetFocus(); hwnd && hwnd != nscontainer->hwnd; hwnd = GetParent(hwnd));
 183
 184     return hwnd != NULL;
 185 }
 186
 187 static nsresult handle_blur(HTMLDocumentNode *doc, nsIDOMEvent *event)
 188 {
 189     HTMLDocumentObj *doc_obj;
 190
 191     TRACE("(%p)\n", doc);
 192
 193     if(!doc->doc_obj)
 194         return NS_ERROR_FAILURE;
 195     doc_obj = doc->doc_obj;
 196
 197     if(doc_obj->focus && !is_doc_child_focus(doc_obj->nscontainer)) {
 198         doc_obj->focus = FALSE;
 199         notif_focus(doc_obj);
 200     }
 201
 202     return NS_OK;
 203 }
 204
 205 static nsresult handle_focus(HTMLDocumentNode *doc, nsIDOMEvent *event)
 206 {
 207     HTMLDocumentObj *doc_obj;
 208
 209     TRACE("(%p)\n", doc);
 210
 211     doc_obj = doc->doc_obj;
 212
 213     if(!doc_obj->focus) {
 214         doc_obj->focus = TRUE;
 215         notif_focus(doc_obj);
 216     }
 217
 218     return NS_OK;
 219 }
 220
 221 static nsresult handle_keypress(HTMLDocumentNode *doc, nsIDOMEvent *event)
 222 {
 223     if(!doc->browser)
 224         return NS_ERROR_FAILURE;
 225
 226     TRACE("(%p)->(%p)\n", doc, event);
 227
 228     update_doc(doc->browser->doc, UPDATE_UI);
 229     if(doc->browser->usermode == EDITMODE)
 230         handle_edit_event(doc, event);
 231
 232     return NS_OK;
 233 }
 234
 235 static nsresult handle_dom_content_loaded(HTMLDocumentNode *doc, nsIDOMEvent *nsevent)
 236 {
 237     DOMEvent *event;
 238     HRESULT hres;
 239
 240     if(doc->window)
 241         doc->window->performance_timing->dom_content_loaded_event_start_time = get_time_stamp();
 242
 243     hres = create_event_from_nsevent(nsevent, dispex_compat_mode(&doc->node.event_target.dispex), &event);
 244     if(SUCCEEDED(hres)) {
 245         dispatch_event(&doc->node.event_target, event);
 246         IDOMEvent_Release(&event->IDOMEvent_iface);
 247     }
 248
 249     if(doc->window)
 250         doc->window->performance_timing->dom_content_loaded_event_end_time = get_time_stamp();
 251
 252     return NS_OK;
 253 }
 254
 255 static nsresult handle_pageshow(HTMLDocumentNode *doc, nsIDOMEvent *nsevent)
 256 {
 257     HTMLInnerWindow *window;
 258     DOMEvent *event;
 259     HRESULT hres;
 260
 261     if(!(window = doc->window) || !doc->dom_document || doc->document_mode < COMPAT_MODE_IE11)
 262         return NS_OK;
 263
 264     hres = create_document_event(doc, EVENTID_PAGESHOW, &event);
 265     if(SUCCEEDED(hres)) {
 266         dispatch_event(&window->event_target, event);
 267         IDOMEvent_Release(&event->IDOMEvent_iface);
 268     }
 269
 270     return NS_OK;
 271 }
 272
 273 static nsresult handle_pagehide(HTMLDocumentNode *doc, nsIDOMEvent *nsevent)
 274 {
 275     HTMLInnerWindow *window;
 276     DOMEvent *event;
 277     HRESULT hres;
 278
 279     if(!(window = doc->window) || !doc->dom_document || doc->document_mode < COMPAT_MODE_IE11 || doc->unload_sent)
 280         return NS_OK;
 281
 282     hres = create_document_event(doc, EVENTID_PAGEHIDE, &event);
 283     if(SUCCEEDED(hres)) {
 284         dispatch_event(&window->event_target, event);
 285         IDOMEvent_Release(&event->IDOMEvent_iface);
 286     }
 287
 288     return NS_OK;
 289 }
 290
 291 static void handle_docobj_load(HTMLDocumentObj *doc)
 292 {
 293     IOleCommandTarget *olecmd = NULL;
 294     HRESULT hres;
 295
 296     if(doc->nscontainer->editor_controller) {
 297         nsIController_Release(doc->nscontainer->editor_controller);
 298         doc->nscontainer->editor_controller = NULL;
 299     }
 300
 301     if(doc->nscontainer->usermode == EDITMODE)
 302         setup_editor_controller(doc->nscontainer);
 303
 304     if(doc->client) {
 305         hres = IOleClientSite_QueryInterface(doc->client, &IID_IOleCommandTarget, (void**)&olecmd);
 306         if(FAILED(hres))
 307             olecmd = NULL;
 308     }
 309
 310     if(doc->download_state) {
 311         if(olecmd) {
 312             VARIANT progress;
 313
 314             V_VT(&progress) = VT_I4;
 315             V_I4(&progress) = 0;
 316             IOleCommandTarget_Exec(olecmd, NULL, OLECMDID_SETPROGRESSPOS,
 317                     OLECMDEXECOPT_DONTPROMPTUSER, &progress, NULL);
 318         }
 319
 320         set_download_state(doc, 0);
 321     }
 322
 323     if(olecmd) {
 324         IOleCommandTarget_Exec(olecmd, &CGID_ShellDocView, 103, 0, NULL, NULL);
 325         IOleCommandTarget_Exec(olecmd, &CGID_MSHTML, IDM_PARSECOMPLETE, 0, NULL, NULL);
 326         IOleCommandTarget_Exec(olecmd, NULL, OLECMDID_HTTPEQUIV_DONE, 0, NULL, NULL);
 327
 328         IOleCommandTarget_Release(olecmd);
 329     }
 330 }
 331
 332 static nsresult handle_load(HTMLDocumentNode *doc, nsIDOMEvent *event)
 333 {
 334     HTMLDocumentObj *doc_obj = NULL;
 335     DOMEvent *load_event;
 336     HRESULT hres;
 337
 338     TRACE("(%p)\n", doc);
 339
 340     if(!doc->outer_window)
 341         return NS_ERROR_FAILURE;
 342     if(doc->doc_obj && doc->doc_obj->doc_node == doc)
 343         doc_obj = doc->doc_obj;
 344
 345     connect_scripts(doc->window);
 346
 347     if(doc_obj)
 348         handle_docobj_load(doc_obj);
 349
 350     doc->window->performance_timing->dom_complete_time = get_time_stamp();
 351     set_ready_state(doc->outer_window, READYSTATE_COMPLETE);
 352
 353     if(doc_obj) {
 354         if(doc_obj->view_sink)
 355             IAdviseSink_OnViewChange(doc_obj->view_sink, DVASPECT_CONTENT, -1);
 356
 357         set_statustext(doc_obj, IDS_STATUS_DONE, NULL);
 358
 359         update_title(doc_obj);
 360     }
 361
 362     if(doc_obj && doc_obj->doc_object_service && !(doc->outer_window->load_flags & BINDING_REFRESH))
 363         IDocObjectService_FireDocumentComplete(doc_obj->doc_object_service,
 364                 &doc->outer_window->base.IHTMLWindow2_iface, 0);
 365
 366     doc->window->performance_timing->load_event_start_time = get_time_stamp();
 367
 368     if(doc->dom_document) {
 369         hres = create_document_event(doc, EVENTID_LOAD, &load_event);
 370         if(SUCCEEDED(hres)) {
 371             dispatch_event(&doc->node.event_target, load_event);
 372             IDOMEvent_Release(&load_event->IDOMEvent_iface);
 373         }
 374     }else {
 375         WARN("no dom_document\n");
 376     }
 377
 378     hres = create_event_from_nsevent(event, dispex_compat_mode(&doc->node.event_target.dispex), &load_event);
 379     if(SUCCEEDED(hres)) {
 380         dispatch_event(&doc->window->event_target, load_event);
 381         IDOMEvent_Release(&load_event->IDOMEvent_iface);
 382     }
 383
 384     doc->window->performance_timing->load_event_end_time = get_time_stamp();
 385     return NS_OK;
 386 }
 387
 388 static nsresult handle_beforeunload(HTMLDocumentNode *doc, nsIDOMEvent *nsevent)
 389 {
 390     HTMLInnerWindow *window;
 391     DOMEvent *event;
 392     HRESULT hres;
 393
 394     if(!(window = doc->window))
 395         return NS_OK;
 396
 397     /* Gecko dispatches this to the document, but IE dispatches it to the window */
 398     hres = create_event_from_nsevent(nsevent, dispex_compat_mode(&doc->node.event_target.dispex), &event);
 399     if(SUCCEEDED(hres)) {
 400         dispatch_event(&window->event_target, event);
 401         IDOMEvent_Release(&event->IDOMEvent_iface);
 402     }
 403
 404     return NS_OK;
 405 }
 406
 407 static nsresult handle_unload(HTMLDocumentNode *doc, nsIDOMEvent *nsevent)
 408 {
 409     HTMLPerformanceTiming *timing = NULL;
 410     HTMLInnerWindow *window;
 411     DOMEvent *event;
 412     HRESULT hres;
 413
 414     if(!(window = doc->window) || doc->unload_sent)
 415         return NS_OK;
 416     doc->unload_sent = TRUE;
 417
 418     if(window->base.outer_window->pending_window)
 419         timing = window->base.outer_window->pending_window->performance_timing;
 420
 421     if(timing)
 422         timing->unload_event_start_time = get_time_stamp();
 423
 424     hres = create_event_from_nsevent(nsevent, dispex_compat_mode(&doc->node.event_target.dispex), &event);
 425     if(SUCCEEDED(hres)) {
 426         dispatch_event(&window->event_target, event);
 427         IDOMEvent_Release(&event->IDOMEvent_iface);
 428     }
 429
 430     if(timing)
 431         timing->unload_event_end_time = get_time_stamp();
 432
 433     return NS_OK;
 434 }
 435
 436 static nsresult handle_htmlevent(HTMLDocumentNode *doc, nsIDOMEvent *nsevent)
 437 {
 438     const event_target_vtbl_t *target_vtbl;
 439     nsIDOMEventTarget *event_target;
 440     EventTarget *target;
 441     nsIDOMNode *nsnode;
 442     DOMEvent *event;
 443     nsresult nsres;
 444     HRESULT hres;
 445
 446     TRACE("%p\n", doc);
 447
 448     nsres = nsIDOMEvent_GetTarget(nsevent, &event_target);
 449     if(NS_FAILED(nsres) || !event_target) {
 450         ERR("GetEventTarget failed: %08lx\n", nsres);
 451         return NS_OK;
 452     }
 453
 454     nsres = nsIDOMEventTarget_QueryInterface(event_target, &IID_nsIDOMNode, (void**)&nsnode);
 455     nsIDOMEventTarget_Release(event_target);
 456     if(NS_FAILED(nsres)) {
 457         if(!doc->window)
 458             return NS_OK;
 459         target = &doc->window->event_target;
 460         IHTMLWindow2_AddRef(&doc->window->base.IHTMLWindow2_iface);
 461     }else {
 462         HTMLDOMNode *node;
 463         hres = get_node(nsnode, TRUE, &node);
 464         nsIDOMNode_Release(nsnode);
 465         if(FAILED(hres))
 466             return NS_OK;
 467         target = &node->event_target;
 468     }
 469
 470     hres = create_event_from_nsevent(nsevent, dispex_compat_mode(&doc->node.event_target.dispex), &event);
 471     if(FAILED(hres)) {
 472         IEventTarget_Release(&target->IEventTarget_iface);
 473         return NS_OK;
 474     }
 475
 476     /* If we fine need for more special cases here, we may consider handling it in a more generic way. */
 477     if(event->event_id == EVENTID_FOCUS || event->event_id == EVENTID_BLUR) {
 478         DOMEvent *focus_event;
 479
 480         hres = create_document_event(doc, event->event_id == EVENTID_FOCUS ? EVENTID_FOCUSIN : EVENTID_FOCUSOUT, &focus_event);
 481         if(SUCCEEDED(hres)) {
 482             dispatch_event(target, focus_event);
 483             IDOMEvent_Release(&focus_event->IDOMEvent_iface);
 484         }
 485     }
 486
 487     target_vtbl = dispex_get_vtbl(&target->dispex);
 488
 489     if(target_vtbl && target_vtbl->dispatch_nsevent_hook &&
 490        target_vtbl->dispatch_nsevent_hook(&target->dispex, event) == S_OK) {
 491         /* overridden by hook, so cancel it */
 492         nsIDOMEvent_StopPropagation(nsevent);
 493     }else {
 494         dispatch_event(target, event);
 495     }
 496
 497     IDOMEvent_Release(&event->IDOMEvent_iface);
 498     IEventTarget_Release(&target->IEventTarget_iface);
 499     return NS_OK;
 500 }
 501
 502 static void init_event(nsIDOMEventTarget *target, const PRUnichar *type,
 503         nsIDOMEventListener *listener, BOOL capture)
 504 {
 505     nsAString type_str;
 506     nsresult nsres;
 507
 508     nsAString_InitDepend(&type_str, type);
 509     nsres = nsIDOMEventTarget_AddEventListener(target, &type_str, listener, capture, FALSE, 1);
 510     nsAString_Finish(&type_str);
 511     if(NS_FAILED(nsres))
 512         ERR("AddEventTarget failed: %08lx\n", nsres);
 513
 514 }
 515
 516 static void init_listener(nsEventListener *This, nsDocumentEventListener *listener, handler_t handler)
 517 {
 518     This->nsIDOMEventListener_iface.lpVtbl = &nsDOMEventListenerVtbl;
 519     This->handler = handler;
 520     This->This = listener;
 521 }
 522
 523 static nsIDOMEventTarget *get_default_document_target(HTMLDocumentNode *doc)
 524 {
 525     nsIDOMEventTarget *target;
 526     nsISupports *target_iface;
 527     nsresult nsres;
 528
 529     target_iface = doc->window ? (nsISupports*)doc->outer_window->nswindow : (nsISupports*)doc->dom_document;
 530     nsres = nsISupports_QueryInterface(target_iface, &IID_nsIDOMEventTarget, (void**)&target);
 531     return NS_SUCCEEDED(nsres) ? target : NULL;
 532 }
 533
 534 void add_nsevent_listener(HTMLDocumentNode *doc, nsIDOMNode *nsnode, LPCWSTR type)
 535 {
 536     nsIDOMEventTarget *target;
 537     nsresult nsres;
 538
 539     if(nsnode) {
 540         nsres = nsIDOMNode_QueryInterface(nsnode, &IID_nsIDOMEventTarget, (void**)&target);
 541         assert(nsres == NS_OK);
 542     }else {
 543         target = get_default_document_target(doc);
 544         if(!target)
 545             return;
 546     }
 547
 548     init_event(target, type, &doc->nsevent_listener->htmlevent_listener.nsIDOMEventListener_iface,
 549             TRUE);
 550     nsIDOMEventTarget_Release(target);
 551 }
 552
 553 static void detach_nslistener(HTMLDocumentNode *doc, const WCHAR *type, nsEventListener *listener, cpp_bool is_capture)
 554 {
 555     nsIDOMEventTarget *target;
 556     nsAString type_str;
 557     nsresult nsres;
 558
 559     target = get_default_document_target(doc);
 560     if(!target)
 561         return;
 562
 563     nsAString_InitDepend(&type_str, type);
 564     nsres = nsIDOMEventTarget_RemoveEventListener(target, &type_str,
 565             &listener->nsIDOMEventListener_iface, is_capture);
 566     nsAString_Finish(&type_str);
 567     nsIDOMEventTarget_Release(target);
 568     if(NS_FAILED(nsres))
 569         ERR("RemoveEventTarget failed: %08lx\n", nsres);
 570 }
 571
 572 void detach_nsevent(HTMLDocumentNode *doc, const WCHAR *type)
 573 {
 574     detach_nslistener(doc, type, &doc->nsevent_listener->htmlevent_listener, TRUE);
 575 }
 576
 577 void release_nsevents(HTMLDocumentNode *doc)
 578 {
 579     nsDocumentEventListener *listener = doc->nsevent_listener;
 580     unsigned i;
 581
 582     TRACE("%p %p\n", doc, doc->nsevent_listener);
 583
 584     if(!listener)
 585         return;
 586
 587     for(i = 0; i < ARRAY_SIZE(doc_event_listeners); i++)
 588         detach_nslistener(doc, get_event_name(doc_event_listeners[i].id), &listener->listener[i], !(doc_event_listeners[i].flags & BUBBLES));
 589
 590     listener->doc = NULL;
 591     release_listener(listener);
 592     doc->nsevent_listener = NULL;
 593 }
 594
 595 void init_nsevents(HTMLDocumentNode *doc)
 596 {
 597     nsDocumentEventListener *listener;
 598     nsIDOMEventTarget *target;
 599     unsigned i;
 600
 601     listener = malloc(sizeof(nsDocumentEventListener));
 602     if(!listener)
 603         return;
 604
 605     TRACE("%p %p\n", doc, listener);
 606
 607     listener->ref = 1;
 608     listener->doc = doc;
 609
 610     for(i = 0; i < ARRAY_SIZE(doc_event_listeners); i++)
 611         init_listener(&listener->listener[i], listener, doc_event_listeners[i].handler);
 612     init_listener(&listener->htmlevent_listener, listener, handle_htmlevent);
 613
 614     doc->nsevent_listener = listener;
 615
 616     target = get_default_document_target(doc);
 617     if(!target)
 618         return;
 619
 620     for(i = 0; i < ARRAY_SIZE(doc_event_listeners); i++) {
 621         init_event(target, get_event_name(doc_event_listeners[i].id), &listener->listener[i].nsIDOMEventListener_iface,
 622                    !(doc_event_listeners[i].flags & BUBBLES));
 623
 624         if(doc_event_listeners[i].flags & OVERRIDE)
 625             doc->event_vector[doc_event_listeners[i].id] = TRUE;
 626     }
 627
 628     nsIDOMEventTarget_Release(target);
 629 }