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         IUnknown_AddRef(doc_obj->outer_unk);
 345     }
 346     connect_scripts(doc->window);
 347
 348     if(doc_obj)
 349         handle_docobj_load(doc_obj);
 350
 351     doc->window->performance_timing->dom_complete_time = get_time_stamp();
 352     set_ready_state(doc->outer_window, READYSTATE_COMPLETE);
 353
 354     if(doc_obj) {
 355         if(doc_obj->view_sink)
 356             IAdviseSink_OnViewChange(doc_obj->view_sink, DVASPECT_CONTENT, -1);
 357
 358         set_statustext(doc_obj, IDS_STATUS_DONE, NULL);
 359
 360         update_title(doc_obj);
 361
 362         if(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         IUnknown_Release(doc_obj->outer_unk);
 367     }
 368
 369     doc->window->performance_timing->load_event_start_time = get_time_stamp();
 370
 371     if(doc->dom_document) {
 372         hres = create_document_event(doc, EVENTID_LOAD, &load_event);
 373         if(SUCCEEDED(hres)) {
 374             dispatch_event(&doc->node.event_target, load_event);
 375             IDOMEvent_Release(&load_event->IDOMEvent_iface);
 376         }
 377     }else {
 378         WARN("no dom_document\n");
 379     }
 380
 381     hres = create_event_from_nsevent(event, dispex_compat_mode(&doc->node.event_target.dispex), &load_event);
 382     if(SUCCEEDED(hres)) {
 383         dispatch_event(&doc->window->event_target, load_event);
 384         IDOMEvent_Release(&load_event->IDOMEvent_iface);
 385     }
 386
 387     doc->window->performance_timing->load_event_end_time = get_time_stamp();
 388     return NS_OK;
 389 }
 390
 391 static nsresult handle_beforeunload(HTMLDocumentNode *doc, nsIDOMEvent *nsevent)
 392 {
 393     HTMLInnerWindow *window;
 394     DOMEvent *event;
 395     HRESULT hres;
 396
 397     if(!(window = doc->window))
 398         return NS_OK;
 399
 400     /* Gecko dispatches this to the document, but IE dispatches it to the window */
 401     hres = create_event_from_nsevent(nsevent, dispex_compat_mode(&doc->node.event_target.dispex), &event);
 402     if(SUCCEEDED(hres)) {
 403         dispatch_event(&window->event_target, event);
 404         IDOMEvent_Release(&event->IDOMEvent_iface);
 405     }
 406
 407     return NS_OK;
 408 }
 409
 410 static nsresult handle_unload(HTMLDocumentNode *doc, nsIDOMEvent *nsevent)
 411 {
 412     HTMLPerformanceTiming *timing = NULL;
 413     HTMLInnerWindow *window;
 414     DOMEvent *event;
 415     HRESULT hres;
 416
 417     if(!(window = doc->window) || doc->unload_sent)
 418         return NS_OK;
 419     doc->unload_sent = TRUE;
 420
 421     if(window->base.outer_window->pending_window)
 422         timing = window->base.outer_window->pending_window->performance_timing;
 423
 424     if(timing)
 425         timing->unload_event_start_time = get_time_stamp();
 426
 427     hres = create_event_from_nsevent(nsevent, dispex_compat_mode(&doc->node.event_target.dispex), &event);
 428     if(SUCCEEDED(hres)) {
 429         dispatch_event(&window->event_target, event);
 430         IDOMEvent_Release(&event->IDOMEvent_iface);
 431     }
 432
 433     if(timing)
 434         timing->unload_event_end_time = get_time_stamp();
 435
 436     return NS_OK;
 437 }
 438
 439 static nsresult handle_htmlevent(HTMLDocumentNode *doc, nsIDOMEvent *nsevent)
 440 {
 441     nsIDOMEventTarget *event_target;
 442     EventTarget *target;
 443     nsIDOMNode *nsnode;
 444     DOMEvent *event;
 445     nsresult nsres;
 446     HRESULT hres;
 447
 448     TRACE("%p\n", doc);
 449
 450     nsres = nsIDOMEvent_GetTarget(nsevent, &event_target);
 451     if(NS_FAILED(nsres) || !event_target) {
 452         ERR("GetEventTarget failed: %08lx\n", nsres);
 453         return NS_OK;
 454     }
 455
 456     nsres = nsIDOMEventTarget_QueryInterface(event_target, &IID_nsIDOMNode, (void**)&nsnode);
 457     nsIDOMEventTarget_Release(event_target);
 458     if(NS_FAILED(nsres)) {
 459         if(!doc->window)
 460             return NS_OK;
 461         target = &doc->window->event_target;
 462         IHTMLWindow2_AddRef(&doc->window->base.IHTMLWindow2_iface);
 463     }else {
 464         HTMLDOMNode *node;
 465         hres = get_node(nsnode, TRUE, &node);
 466         nsIDOMNode_Release(nsnode);
 467         if(FAILED(hres))
 468             return NS_OK;
 469         target = &node->event_target;
 470     }
 471
 472     hres = create_event_from_nsevent(nsevent, dispex_compat_mode(&doc->node.event_target.dispex), &event);
 473     if(FAILED(hres)) {
 474         IEventTarget_Release(&target->IEventTarget_iface);
 475         return NS_OK;
 476     }
 477
 478     /* If we fine need for more special cases here, we may consider handling it in a more generic way. */
 479     if(event->event_id == EVENTID_FOCUS || event->event_id == EVENTID_BLUR) {
 480         DOMEvent *focus_event;
 481
 482         hres = create_document_event(doc, event->event_id == EVENTID_FOCUS ? EVENTID_FOCUSIN : EVENTID_FOCUSOUT, &focus_event);
 483         if(SUCCEEDED(hres)) {
 484             dispatch_event(target, focus_event);
 485             IDOMEvent_Release(&focus_event->IDOMEvent_iface);
 486         }
 487     }
 488
 489     dispatch_event(target, event);
 490
 491     IDOMEvent_Release(&event->IDOMEvent_iface);
 492     IEventTarget_Release(&target->IEventTarget_iface);
 493     return NS_OK;
 494 }
 495
 496 static void init_event(nsIDOMEventTarget *target, const PRUnichar *type,
 497         nsIDOMEventListener *listener, BOOL capture)
 498 {
 499     nsAString type_str;
 500     nsresult nsres;
 501
 502     nsAString_InitDepend(&type_str, type);
 503     nsres = nsIDOMEventTarget_AddEventListener(target, &type_str, listener, capture, FALSE, 1);
 504     nsAString_Finish(&type_str);
 505     if(NS_FAILED(nsres))
 506         ERR("AddEventTarget failed: %08lx\n", nsres);
 507
 508 }
 509
 510 static void init_listener(nsEventListener *This, nsDocumentEventListener *listener, handler_t handler)
 511 {
 512     This->nsIDOMEventListener_iface.lpVtbl = &nsDOMEventListenerVtbl;
 513     This->handler = handler;
 514     This->This = listener;
 515 }
 516
 517 static nsIDOMEventTarget *get_default_document_target(HTMLDocumentNode *doc)
 518 {
 519     nsIDOMEventTarget *target;
 520     nsISupports *target_iface;
 521     nsresult nsres;
 522
 523     target_iface = doc->window ? (nsISupports*)doc->outer_window->nswindow : (nsISupports*)doc->dom_document;
 524     nsres = nsISupports_QueryInterface(target_iface, &IID_nsIDOMEventTarget, (void**)&target);
 525     return NS_SUCCEEDED(nsres) ? target : NULL;
 526 }
 527
 528 void add_nsevent_listener(HTMLDocumentNode *doc, nsIDOMNode *nsnode, LPCWSTR type)
 529 {
 530     nsIDOMEventTarget *target;
 531     nsresult nsres;
 532
 533     if(nsnode) {
 534         nsres = nsIDOMNode_QueryInterface(nsnode, &IID_nsIDOMEventTarget, (void**)&target);
 535         assert(nsres == NS_OK);
 536     }else {
 537         target = get_default_document_target(doc);
 538         if(!target)
 539             return;
 540     }
 541
 542     init_event(target, type, &doc->nsevent_listener->htmlevent_listener.nsIDOMEventListener_iface,
 543             TRUE);
 544     nsIDOMEventTarget_Release(target);
 545 }
 546
 547 static void detach_nslistener(HTMLDocumentNode *doc, const WCHAR *type, nsEventListener *listener, cpp_bool is_capture)
 548 {
 549     nsIDOMEventTarget *target;
 550     nsAString type_str;
 551     nsresult nsres;
 552
 553     target = get_default_document_target(doc);
 554     if(!target)
 555         return;
 556
 557     nsAString_InitDepend(&type_str, type);
 558     nsres = nsIDOMEventTarget_RemoveEventListener(target, &type_str,
 559             &listener->nsIDOMEventListener_iface, is_capture);
 560     nsAString_Finish(&type_str);
 561     nsIDOMEventTarget_Release(target);
 562     if(NS_FAILED(nsres))
 563         ERR("RemoveEventTarget failed: %08lx\n", nsres);
 564 }
 565
 566 void detach_nsevent(HTMLDocumentNode *doc, const WCHAR *type)
 567 {
 568     detach_nslistener(doc, type, &doc->nsevent_listener->htmlevent_listener, TRUE);
 569 }
 570
 571 void release_nsevents(HTMLDocumentNode *doc)
 572 {
 573     nsDocumentEventListener *listener = doc->nsevent_listener;
 574     unsigned i;
 575
 576     TRACE("%p %p\n", doc, doc->nsevent_listener);
 577
 578     if(!listener)
 579         return;
 580
 581     for(i = 0; i < ARRAY_SIZE(doc_event_listeners); i++)
 582         detach_nslistener(doc, get_event_name(doc_event_listeners[i].id), &listener->listener[i], !(doc_event_listeners[i].flags & BUBBLES));
 583
 584     listener->doc = NULL;
 585     release_listener(listener);
 586     doc->nsevent_listener = NULL;
 587 }
 588
 589 void init_nsevents(HTMLDocumentNode *doc)
 590 {
 591     nsDocumentEventListener *listener;
 592     nsIDOMEventTarget *target;
 593     unsigned i;
 594
 595     listener = malloc(sizeof(nsDocumentEventListener));
 596     if(!listener)
 597         return;
 598
 599     TRACE("%p %p\n", doc, listener);
 600
 601     listener->ref = 1;
 602     listener->doc = doc;
 603
 604     for(i = 0; i < ARRAY_SIZE(doc_event_listeners); i++)
 605         init_listener(&listener->listener[i], listener, doc_event_listeners[i].handler);
 606     init_listener(&listener->htmlevent_listener, listener, handle_htmlevent);
 607
 608     doc->nsevent_listener = listener;
 609
 610     target = get_default_document_target(doc);
 611     if(!target)
 612         return;
 613
 614     for(i = 0; i < ARRAY_SIZE(doc_event_listeners); i++) {
 615         init_event(target, get_event_name(doc_event_listeners[i].id), &listener->listener[i].nsIDOMEventListener_iface,
 616                    !(doc_event_listeners[i].flags & BUBBLES));
 617
 618         if(doc_event_listeners[i].flags & OVERRIDE)
 619             doc->event_vector[doc_event_listeners[i].id] = TRUE;
 620     }
 621
 622     nsIDOMEventTarget_Release(target);
 623 }