dlls/mshtml/htmlevent.c

   1 /*
   2  * Copyright 2008-2009 Jacek Caban for CodeWeavers
   3  *
   4  * This library is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Lesser General Public
   6  * License as published by the Free Software Foundation; either
   7  * version 2.1 of the License, or (at your option) any later version.
   8  *
   9  * This library is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * Lesser General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Lesser General Public
  15  * License along with this library; if not, write to the Free Software
  16  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  17  */
  18
  19 #include <stdarg.h>
  20
  21 #define COBJMACROS
  22
  23 #include "windef.h"
  24 #include "winbase.h"
  25 #include "winuser.h"
  26 #include "ole2.h"
  27 #include "mshtmdid.h"
  28
  29 #include "mshtml_private.h"
  30 #include "htmlevent.h"
  31
  32 #include "wine/debug.h"
  33
  34 WINE_DEFAULT_DEBUG_CHANNEL(mshtml);
  35
  36 typedef struct {
  37     IDispatch *handler_prop;
  38     DWORD handler_cnt;
  39     IDispatch *handlers[0];
  40 } handler_vector_t;
  41
  42 struct event_target_t {
  43     handler_vector_t *event_table[EVENTID_LAST];
  44 };
  45
  46 static const WCHAR beforeunloadW[] = {'b','e','f','o','r','e','u','n','l','o','a','d',0};
  47 static const WCHAR onbeforeunloadW[] = {'o','n','b','e','f','o','r','e','u','n','l','o','a','d',0};
  48
  49 static const WCHAR blurW[] = {'b','l','u','r',0};
  50 static const WCHAR onblurW[] = {'o','n','b','l','u','r',0};
  51
  52 static const WCHAR changeW[] = {'c','h','a','n','g','e',0};
  53 static const WCHAR onchangeW[] = {'o','n','c','h','a','n','g','e',0};
  54
  55 static const WCHAR clickW[] = {'c','l','i','c','k',0};
  56 static const WCHAR onclickW[] = {'o','n','c','l','i','c','k',0};
  57
  58 static const WCHAR dblclickW[] = {'d','b','l','c','l','i','c','k',0};
  59 static const WCHAR ondblclickW[] = {'o','n','d','b','l','c','l','i','c','k',0};
  60
  61 static const WCHAR dragW[] = {'d','r','a','g',0};
  62 static const WCHAR ondragW[] = {'o','n','d','r','a','g',0};
  63
  64 static const WCHAR dragstartW[] = {'d','r','a','g','s','t','a','r','t',0};
  65 static const WCHAR ondragstartW[] = {'o','n','d','r','a','g','s','t','a','r','t',0};
  66
  67 static const WCHAR focusW[] = {'f','o','c','u','s',0};
  68 static const WCHAR onfocusW[] = {'o','n','f','o','c','u','s',0};
  69
  70 static const WCHAR keydownW[] = {'k','e','y','d','o','w','n',0};
  71 static const WCHAR onkeydownW[] = {'o','n','k','e','y','d','o','w','n',0};
  72
  73 static const WCHAR keyupW[] = {'k','e','y','u','p',0};
  74 static const WCHAR onkeyupW[] = {'o','n','k','e','y','u','p',0};
  75
  76 static const WCHAR loadW[] = {'l','o','a','d',0};
  77 static const WCHAR onloadW[] = {'o','n','l','o','a','d',0};
  78
  79 static const WCHAR mousedownW[] = {'m','o','u','s','e','d','o','w','n',0};
  80 static const WCHAR onmousedownW[] = {'o','n','m','o','u','s','e','d','o','w','n',0};
  81
  82 static const WCHAR mouseoutW[] = {'m','o','u','s','e','o','u','t',0};
  83 static const WCHAR onmouseoutW[] = {'o','n','m','o','u','s','e','o','u','t',0};
  84
  85 static const WCHAR mouseoverW[] = {'m','o','u','s','e','o','v','e','r',0};
  86 static const WCHAR onmouseoverW[] = {'o','n','m','o','u','s','e','o','v','e','r',0};
  87
  88 static const WCHAR mouseupW[] = {'m','o','u','s','e','u','p',0};
  89 static const WCHAR onmouseupW[] = {'o','n','m','o','u','s','e','u','p',0};
  90
  91 static const WCHAR pasteW[] = {'p','a','s','t','e',0};
  92 static const WCHAR onpasteW[] = {'o','n','p','a','s','t','e',0};
  93
  94 static const WCHAR readystatechangeW[] = {'r','e','a','d','y','s','t','a','t','e','c','h','a','n','g','e',0};
  95 static const WCHAR onreadystatechangeW[] = {'o','n','r','e','a','d','y','s','t','a','t','e','c','h','a','n','g','e',0};
  96
  97 static const WCHAR selectstartW[] = {'s','e','l','e','c','t','s','t','a','r','t',0};
  98 static const WCHAR onselectstartW[] = {'o','n','s','e','l','e','c','t','s','t','a','r','t',0};
  99
 100 static const WCHAR HTMLEventsW[] = {'H','T','M','L','E','v','e','n','t','s',0};
 101 static const WCHAR KeyboardEventW[] = {'K','e','y','b','o','a','r','d','E','v','e','n','t',0};
 102 static const WCHAR MouseEventW[] = {'M','o','u','s','e','E','v','e','n','t',0};
 103
 104 enum {
 105     EVENTT_NONE,
 106     EVENTT_HTML,
 107     EVENTT_KEY,
 108     EVENTT_MOUSE
 109 };
 110
 111 static const WCHAR *event_types[] = {
 112     NULL,
 113     HTMLEventsW,
 114     KeyboardEventW,
 115     MouseEventW
 116 };
 117
 118 typedef struct {
 119     LPCWSTR name;
 120     LPCWSTR attr_name;
 121     DWORD type;
 122     DISPID dispid;
 123     DWORD flags;
 124 } event_info_t;
 125
 126 #define EVENT_DEFAULTLISTENER    0x0001
 127 #define EVENT_BUBBLE             0x0002
 128 #define EVENT_FORWARDBODY        0x0004
 129
 130 static const event_info_t event_info[] = {
 131     {beforeunloadW,      onbeforeunloadW,      EVENTT_NONE,   DISPID_EVMETH_ONBEFOREUNLOAD,
 132         EVENT_DEFAULTLISTENER|EVENT_FORWARDBODY},
 133     {blurW,              onblurW,              EVENTT_HTML,   DISPID_EVMETH_ONBLUR,
 134         EVENT_DEFAULTLISTENER},
 135     {changeW,            onchangeW,            EVENTT_HTML,   DISPID_EVMETH_ONCHANGE,
 136         EVENT_DEFAULTLISTENER|EVENT_BUBBLE},
 137     {clickW,             onclickW,             EVENTT_MOUSE,  DISPID_EVMETH_ONCLICK,
 138         EVENT_DEFAULTLISTENER|EVENT_BUBBLE},
 139     {dblclickW,          ondblclickW,          EVENTT_MOUSE,  DISPID_EVMETH_ONDBLCLICK,
 140         EVENT_DEFAULTLISTENER|EVENT_BUBBLE},
 141     {dragW,              ondragW,              EVENTT_MOUSE,  DISPID_EVMETH_ONDRAG,
 142         0},
 143     {dragstartW,         ondragstartW,         EVENTT_MOUSE,  DISPID_EVMETH_ONDRAGSTART,
 144         0},
 145     {focusW,             onfocusW,             EVENTT_HTML,   DISPID_EVMETH_ONFOCUS,
 146         EVENT_DEFAULTLISTENER},
 147     {keydownW,           onkeydownW,           EVENTT_KEY,    DISPID_EVMETH_ONKEYDOWN,
 148         EVENT_DEFAULTLISTENER|EVENT_BUBBLE},
 149     {keyupW,             onkeyupW,             EVENTT_KEY,    DISPID_EVMETH_ONKEYUP,
 150         EVENT_DEFAULTLISTENER|EVENT_BUBBLE},
 151     {loadW,              onloadW,              EVENTT_HTML,   DISPID_EVMETH_ONLOAD,
 152         0},
 153     {mousedownW,         onmousedownW,         EVENTT_MOUSE,  DISPID_EVMETH_ONMOUSEDOWN,
 154         EVENT_DEFAULTLISTENER|EVENT_BUBBLE},
 155     {mouseoutW,          onmouseoutW,          EVENTT_MOUSE,  DISPID_EVMETH_ONMOUSEOUT,
 156         EVENT_DEFAULTLISTENER|EVENT_BUBBLE},
 157     {mouseoverW,         onmouseoverW,         EVENTT_MOUSE,  DISPID_EVMETH_ONMOUSEOVER,
 158         EVENT_DEFAULTLISTENER|EVENT_BUBBLE},
 159     {mouseupW,           onmouseupW,           EVENTT_MOUSE,  DISPID_EVMETH_ONMOUSEUP,
 160         EVENT_DEFAULTLISTENER|EVENT_BUBBLE},
 161     {pasteW,             onpasteW,             EVENTT_NONE,   DISPID_EVMETH_ONPASTE,
 162         0},
 163     {readystatechangeW,  onreadystatechangeW,  EVENTT_NONE,   DISPID_EVMETH_ONREADYSTATECHANGE,
 164         0},
 165     {selectstartW,       onselectstartW,       EVENTT_MOUSE,  DISPID_EVMETH_ONSELECTSTART,
 166         0}
 167 };
 168
 169 eventid_t str_to_eid(LPCWSTR str)
 170 {
 171     int i;
 172
 173     for(i=0; i < sizeof(event_info)/sizeof(event_info[0]); i++) {
 174         if(!strcmpW(event_info[i].name, str))
 175             return i;
 176     }
 177
 178     ERR("unknown type %s\n", debugstr_w(str));
 179     return EVENTID_LAST;
 180 }
 181
 182 static eventid_t attr_to_eid(LPCWSTR str)
 183 {
 184     int i;
 185
 186     for(i=0; i < sizeof(event_info)/sizeof(event_info[0]); i++) {
 187         if(!strcmpW(event_info[i].attr_name, str))
 188             return i;
 189     }
 190
 191     return EVENTID_LAST;
 192 }
 193
 194 typedef struct {
 195     DispatchEx dispex;
 196     const IHTMLEventObjVtbl  *lpIHTMLEventObjVtbl;
 197
 198     LONG ref;
 199
 200     HTMLDOMNode *target;
 201     const event_info_t *type;
 202     nsIDOMEvent *nsevent;
 203 } HTMLEventObj;
 204
 205 #define HTMLEVENTOBJ(x) ((IHTMLEventObj*) &(x)->lpIHTMLEventObjVtbl)
 206
 207 #define HTMLEVENTOBJ_THIS(iface) DEFINE_THIS(HTMLEventObj, IHTMLEventObj, iface)
 208
 209 static HRESULT WINAPI HTMLEventObj_QueryInterface(IHTMLEventObj *iface, REFIID riid, void **ppv)
 210 {
 211     HTMLEventObj *This = HTMLEVENTOBJ_THIS(iface);
 212
 213     *ppv = NULL;
 214
 215     if(IsEqualGUID(&IID_IUnknown, riid)) {
 216         TRACE("(%p)->(IID_IUnknown %p)\n", This, ppv);
 217         *ppv = HTMLEVENTOBJ(This);
 218     }else if(IsEqualGUID(&IID_IHTMLEventObj, riid)) {
 219         TRACE("(%p)->(IID_IHTMLEventObj %p)\n", This, ppv);
 220         *ppv = HTMLEVENTOBJ(This);
 221     }else if(dispex_query_interface(&This->dispex, riid, ppv)) {
 222         return *ppv ? S_OK : E_NOINTERFACE;
 223     }
 224
 225     if(*ppv) {
 226         IUnknown_AddRef((IUnknown*)*ppv);
 227         return S_OK;
 228     }
 229
 230     WARN("(%p)->(%s %p)\n", This, debugstr_guid(riid), ppv);
 231     return E_NOINTERFACE;
 232 }
 233
 234 static ULONG WINAPI HTMLEventObj_AddRef(IHTMLEventObj *iface)
 235 {
 236     HTMLEventObj *This = HTMLEVENTOBJ_THIS(iface);
 237     LONG ref = InterlockedIncrement(&This->ref);
 238
 239     TRACE("(%p) ref=%d\n", This, ref);
 240
 241     return ref;
 242 }
 243
 244 static ULONG WINAPI HTMLEventObj_Release(IHTMLEventObj *iface)
 245 {
 246     HTMLEventObj *This = HTMLEVENTOBJ_THIS(iface);
 247     LONG ref = InterlockedDecrement(&This->ref);
 248
 249     TRACE("(%p) ref=%d\n", This, ref);
 250
 251     if(!ref) {
 252         if(This->nsevent)
 253             nsIDOMEvent_Release(This->nsevent);
 254         release_dispex(&This->dispex);
 255         heap_free(This);
 256     }
 257
 258     return ref;
 259 }
 260
 261 static HRESULT WINAPI HTMLEventObj_GetTypeInfoCount(IHTMLEventObj *iface, UINT *pctinfo)
 262 {
 263     HTMLEventObj *This = HTMLEVENTOBJ_THIS(iface);
 264     FIXME("(%p)->(%p)\n", This, pctinfo);
 265     return E_NOTIMPL;
 266 }
 267
 268 static HRESULT WINAPI HTMLEventObj_GetTypeInfo(IHTMLEventObj *iface, UINT iTInfo,
 269                                               LCID lcid, ITypeInfo **ppTInfo)
 270 {
 271     HTMLEventObj *This = HTMLEVENTOBJ_THIS(iface);
 272     FIXME("(%p)->(%u %u %p)\n", This, iTInfo, lcid, ppTInfo);
 273     return E_NOTIMPL;
 274 }
 275
 276 static HRESULT WINAPI HTMLEventObj_GetIDsOfNames(IHTMLEventObj *iface, REFIID riid,
 277                                                 LPOLESTR *rgszNames, UINT cNames,
 278                                                 LCID lcid, DISPID *rgDispId)
 279 {
 280     HTMLEventObj *This = HTMLEVENTOBJ_THIS(iface);
 281     FIXME("(%p)->(%s %p %u %u %p)\n", This, debugstr_guid(riid), rgszNames, cNames,
 282           lcid, rgDispId);
 283     return E_NOTIMPL;
 284 }
 285
 286 static HRESULT WINAPI HTMLEventObj_Invoke(IHTMLEventObj *iface, DISPID dispIdMember,
 287                             REFIID riid, LCID lcid, WORD wFlags, DISPPARAMS *pDispParams,
 288                             VARIANT *pVarResult, EXCEPINFO *pExcepInfo, UINT *puArgErr)
 289 {
 290     HTMLEventObj *This = HTMLEVENTOBJ_THIS(iface);
 291     FIXME("(%p)->(%d %s %d %d %p %p %p %p)\n", This, dispIdMember, debugstr_guid(riid),
 292           lcid, wFlags, pDispParams, pVarResult, pExcepInfo, puArgErr);
 293     return E_NOTIMPL;
 294 }
 295
 296 static HRESULT WINAPI HTMLEventObj_get_srcElement(IHTMLEventObj *iface, IHTMLElement **p)
 297 {
 298     HTMLEventObj *This = HTMLEVENTOBJ_THIS(iface);
 299
 300     TRACE("(%p)->(%p)\n", This, p);
 301
 302     return IHTMLDOMNode_QueryInterface(HTMLDOMNODE(This->target), &IID_IHTMLElement, (void**)p);
 303 }
 304
 305 static HRESULT WINAPI HTMLEventObj_get_altKey(IHTMLEventObj *iface, VARIANT_BOOL *p)
 306 {
 307     HTMLEventObj *This = HTMLEVENTOBJ_THIS(iface);
 308     PRBool ret = FALSE;
 309
 310     TRACE("(%p)->(%p)\n", This, p);
 311
 312     if(This->nsevent) {
 313         nsIDOMKeyEvent *key_event;
 314         nsresult nsres;
 315
 316         nsres = nsIDOMEvent_QueryInterface(This->nsevent, &IID_nsIDOMKeyEvent, (void**)&key_event);
 317         if(NS_SUCCEEDED(nsres)) {
 318             nsIDOMKeyEvent_GetAltKey(key_event, &ret);
 319             nsIDOMKeyEvent_Release(key_event);
 320         }else {
 321             nsIDOMMouseEvent *mouse_event;
 322
 323             nsres = nsIDOMEvent_QueryInterface(This->nsevent, &IID_nsIDOMMouseEvent, (void**)&mouse_event);
 324             if(NS_SUCCEEDED(nsres)) {
 325                 nsIDOMMouseEvent_GetAltKey(mouse_event, &ret);
 326                 nsIDOMMouseEvent_Release(mouse_event);
 327             }
 328         }
 329     }
 330
 331     *p = ret ? VARIANT_TRUE : VARIANT_FALSE;
 332     return S_OK;
 333 }
 334
 335 static HRESULT WINAPI HTMLEventObj_get_ctrlKey(IHTMLEventObj *iface, VARIANT_BOOL *p)
 336 {
 337     HTMLEventObj *This = HTMLEVENTOBJ_THIS(iface);
 338     PRBool ret = FALSE;
 339
 340     TRACE("(%p)->(%p)\n", This, p);
 341
 342     if(This->nsevent) {
 343         nsIDOMKeyEvent *key_event;
 344         nsresult nsres;
 345
 346         nsres = nsIDOMEvent_QueryInterface(This->nsevent, &IID_nsIDOMKeyEvent, (void**)&key_event);
 347         if(NS_SUCCEEDED(nsres)) {
 348             nsIDOMKeyEvent_GetCtrlKey(key_event, &ret);
 349             nsIDOMKeyEvent_Release(key_event);
 350         }else {
 351             nsIDOMMouseEvent *mouse_event;
 352
 353             nsres = nsIDOMEvent_QueryInterface(This->nsevent, &IID_nsIDOMMouseEvent, (void**)&mouse_event);
 354             if(NS_SUCCEEDED(nsres)) {
 355                 nsIDOMMouseEvent_GetCtrlKey(mouse_event, &ret);
 356                 nsIDOMMouseEvent_Release(mouse_event);
 357             }
 358         }
 359     }
 360
 361     *p = ret ? VARIANT_TRUE : VARIANT_FALSE;
 362     return S_OK;
 363 }
 364
 365 static HRESULT WINAPI HTMLEventObj_get_shiftKey(IHTMLEventObj *iface, VARIANT_BOOL *p)
 366 {
 367     HTMLEventObj *This = HTMLEVENTOBJ_THIS(iface);
 368     PRBool ret = FALSE;
 369
 370     TRACE("(%p)->(%p)\n", This, p);
 371
 372     if(This->nsevent) {
 373         nsIDOMKeyEvent *key_event;
 374         nsresult nsres;
 375
 376         nsres = nsIDOMEvent_QueryInterface(This->nsevent, &IID_nsIDOMKeyEvent, (void**)&key_event);
 377         if(NS_SUCCEEDED(nsres)) {
 378             nsIDOMKeyEvent_GetShiftKey(key_event, &ret);
 379             nsIDOMKeyEvent_Release(key_event);
 380         }else {
 381             nsIDOMMouseEvent *mouse_event;
 382
 383             nsres = nsIDOMEvent_QueryInterface(This->nsevent, &IID_nsIDOMMouseEvent, (void**)&mouse_event);
 384             if(NS_SUCCEEDED(nsres)) {
 385                 nsIDOMMouseEvent_GetShiftKey(mouse_event, &ret);
 386                 nsIDOMMouseEvent_Release(mouse_event);
 387             }
 388         }
 389     }
 390
 391     *p = ret ? VARIANT_TRUE : VARIANT_FALSE;
 392     return S_OK;
 393 }
 394
 395 static HRESULT WINAPI HTMLEventObj_put_returnValue(IHTMLEventObj *iface, VARIANT v)
 396 {
 397     HTMLEventObj *This = HTMLEVENTOBJ_THIS(iface);
 398     FIXME("(%p)->()\n", This);
 399     return E_NOTIMPL;
 400 }
 401
 402 static HRESULT WINAPI HTMLEventObj_get_returnValue(IHTMLEventObj *iface, VARIANT *p)
 403 {
 404     HTMLEventObj *This = HTMLEVENTOBJ_THIS(iface);
 405
 406     FIXME("(%p)->(%p)\n", This, p);
 407
 408     V_VT(p) = VT_EMPTY;
 409     return S_OK;
 410 }
 411
 412 static HRESULT WINAPI HTMLEventObj_put_cancelBubble(IHTMLEventObj *iface, VARIANT_BOOL v)
 413 {
 414     HTMLEventObj *This = HTMLEVENTOBJ_THIS(iface);
 415     FIXME("(%p)->(%x)\n", This, v);
 416     return E_NOTIMPL;
 417 }
 418
 419 static HRESULT WINAPI HTMLEventObj_get_cancelBubble(IHTMLEventObj *iface, VARIANT_BOOL *p)
 420 {
 421     HTMLEventObj *This = HTMLEVENTOBJ_THIS(iface);
 422
 423     FIXME("(%p)->(%p)\n", This, p);
 424
 425     *p = VARIANT_FALSE;
 426     return S_OK;
 427 }
 428
 429 static HRESULT WINAPI HTMLEventObj_get_fromElement(IHTMLEventObj *iface, IHTMLElement **p)
 430 {
 431     HTMLEventObj *This = HTMLEVENTOBJ_THIS(iface);
 432
 433     FIXME("(%p)->(%p)\n", This, p);
 434
 435     *p = NULL;
 436     return S_OK;
 437 }
 438
 439 static HRESULT WINAPI HTMLEventObj_get_toElement(IHTMLEventObj *iface, IHTMLElement **p)
 440 {
 441     HTMLEventObj *This = HTMLEVENTOBJ_THIS(iface);
 442
 443     FIXME("(%p)->(%p)\n", This, p);
 444
 445     *p = NULL;
 446     return S_OK;
 447 }
 448
 449 static HRESULT WINAPI HTMLEventObj_put_keyCode(IHTMLEventObj *iface, LONG v)
 450 {
 451     HTMLEventObj *This = HTMLEVENTOBJ_THIS(iface);
 452     FIXME("(%p)->(%d)\n", This, v);
 453     return E_NOTIMPL;
 454 }
 455
 456 static HRESULT WINAPI HTMLEventObj_get_keyCode(IHTMLEventObj *iface, LONG *p)
 457 {
 458     HTMLEventObj *This = HTMLEVENTOBJ_THIS(iface);
 459     PRUint32 key_code = 0;
 460
 461     TRACE("(%p)->(%p)\n", This, p);
 462
 463     if(This->nsevent) {
 464         nsIDOMKeyEvent *key_event;
 465         nsresult nsres;
 466
 467         nsres = nsIDOMEvent_QueryInterface(This->nsevent, &IID_nsIDOMKeyEvent, (void**)&key_event);
 468         if(NS_SUCCEEDED(nsres)) {
 469             nsIDOMKeyEvent_GetKeyCode(key_event, &key_code);
 470             nsIDOMKeyEvent_Release(key_event);
 471         }
 472     }
 473
 474     *p = key_code;
 475     return S_OK;
 476 }
 477
 478 static HRESULT WINAPI HTMLEventObj_get_button(IHTMLEventObj *iface, LONG *p)
 479 {
 480     HTMLEventObj *This = HTMLEVENTOBJ_THIS(iface);
 481     PRUint16 button = 0;
 482
 483     TRACE("(%p)->(%p)\n", This, p);
 484
 485     if(This->nsevent) {
 486         nsIDOMMouseEvent *mouse_event;
 487         nsresult nsres;
 488
 489         nsres = nsIDOMEvent_QueryInterface(This->nsevent, &IID_nsIDOMMouseEvent, (void**)&mouse_event);
 490         if(NS_SUCCEEDED(nsres)) {
 491             nsIDOMMouseEvent_GetButton(mouse_event, &button);
 492             nsIDOMMouseEvent_Release(mouse_event);
 493         }
 494     }
 495
 496     *p = button;
 497     return S_OK;
 498 }
 499
 500 static HRESULT WINAPI HTMLEventObj_get_type(IHTMLEventObj *iface, BSTR *p)
 501 {
 502     HTMLEventObj *This = HTMLEVENTOBJ_THIS(iface);
 503
 504     TRACE("(%p)->(%p)\n", This, p);
 505
 506     *p = SysAllocString(This->type->name);
 507     return *p ? S_OK : E_OUTOFMEMORY;
 508 }
 509
 510 static HRESULT WINAPI HTMLEventObj_get_qualifier(IHTMLEventObj *iface, BSTR *p)
 511 {
 512     HTMLEventObj *This = HTMLEVENTOBJ_THIS(iface);
 513
 514     FIXME("(%p)->(%p)\n", This, p);
 515
 516     *p = NULL;
 517     return S_OK;
 518 }
 519
 520 static HRESULT WINAPI HTMLEventObj_get_reason(IHTMLEventObj *iface, LONG *p)
 521 {
 522     HTMLEventObj *This = HTMLEVENTOBJ_THIS(iface);
 523
 524     FIXME("(%p)->(%p)\n", This, p);
 525
 526     *p = 0;
 527     return S_OK;
 528 }
 529
 530 static HRESULT WINAPI HTMLEventObj_get_x(IHTMLEventObj *iface, LONG *p)
 531 {
 532     HTMLEventObj *This = HTMLEVENTOBJ_THIS(iface);
 533
 534     FIXME("(%p)->(%p)\n", This, p);
 535
 536     *p = -1;
 537     return S_OK;
 538 }
 539
 540 static HRESULT WINAPI HTMLEventObj_get_y(IHTMLEventObj *iface, LONG *p)
 541 {
 542     HTMLEventObj *This = HTMLEVENTOBJ_THIS(iface);
 543
 544     FIXME("(%p)->(%p)\n", This, p);
 545
 546     *p = -1;
 547     return S_OK;
 548 }
 549
 550 static HRESULT WINAPI HTMLEventObj_get_clientX(IHTMLEventObj *iface, LONG *p)
 551 {
 552     HTMLEventObj *This = HTMLEVENTOBJ_THIS(iface);
 553     PRInt32 x = 0;
 554
 555     TRACE("(%p)->(%p)\n", This, p);
 556
 557     if(This->nsevent) {
 558         nsIDOMMouseEvent *mouse_event;
 559         nsresult nsres;
 560
 561         nsres = nsIDOMEvent_QueryInterface(This->nsevent, &IID_nsIDOMMouseEvent, (void**)&mouse_event);
 562         if(NS_SUCCEEDED(nsres)) {
 563             nsIDOMMouseEvent_GetClientX(mouse_event, &x);
 564             nsIDOMMouseEvent_Release(mouse_event);
 565         }
 566     }
 567
 568     *p = x;
 569     return S_OK;
 570 }
 571
 572 static HRESULT WINAPI HTMLEventObj_get_clientY(IHTMLEventObj *iface, LONG *p)
 573 {
 574     HTMLEventObj *This = HTMLEVENTOBJ_THIS(iface);
 575     PRInt32 y = 0;
 576
 577     TRACE("(%p)->(%p)\n", This, p);
 578
 579     if(This->nsevent) {
 580         nsIDOMMouseEvent *mouse_event;
 581         nsresult nsres;
 582
 583         nsres = nsIDOMEvent_QueryInterface(This->nsevent, &IID_nsIDOMMouseEvent, (void**)&mouse_event);
 584         if(NS_SUCCEEDED(nsres)) {
 585             nsIDOMMouseEvent_GetClientY(mouse_event, &y);
 586             nsIDOMMouseEvent_Release(mouse_event);
 587         }
 588     }
 589
 590     *p = y;
 591     return S_OK;
 592 }
 593
 594 static HRESULT WINAPI HTMLEventObj_get_offsetX(IHTMLEventObj *iface, LONG *p)
 595 {
 596     HTMLEventObj *This = HTMLEVENTOBJ_THIS(iface);
 597
 598     FIXME("(%p)->(%p)\n", This, p);
 599
 600     *p = 0;
 601     return S_OK;
 602 }
 603
 604 static HRESULT WINAPI HTMLEventObj_get_offsetY(IHTMLEventObj *iface, LONG *p)
 605 {
 606     HTMLEventObj *This = HTMLEVENTOBJ_THIS(iface);
 607
 608     FIXME("(%p)->(%p)\n", This, p);
 609
 610     *p = 0;
 611     return S_OK;
 612 }
 613
 614 static HRESULT WINAPI HTMLEventObj_get_screenX(IHTMLEventObj *iface, LONG *p)
 615 {
 616     HTMLEventObj *This = HTMLEVENTOBJ_THIS(iface);
 617     PRInt32 x = 0;
 618
 619     TRACE("(%p)->(%p)\n", This, p);
 620
 621     if(This->nsevent) {
 622         nsIDOMMouseEvent *mouse_event;
 623         nsresult nsres;
 624
 625         nsres = nsIDOMEvent_QueryInterface(This->nsevent, &IID_nsIDOMMouseEvent, (void**)&mouse_event);
 626         if(NS_SUCCEEDED(nsres)) {
 627             nsIDOMMouseEvent_GetScreenX(mouse_event, &x);
 628             nsIDOMMouseEvent_Release(mouse_event);
 629         }
 630     }
 631
 632     *p = x;
 633     return S_OK;
 634 }
 635
 636 static HRESULT WINAPI HTMLEventObj_get_screenY(IHTMLEventObj *iface, LONG *p)
 637 {
 638     HTMLEventObj *This = HTMLEVENTOBJ_THIS(iface);
 639     PRInt32 y = 0;
 640
 641     TRACE("(%p)->(%p)\n", This, p);
 642
 643     if(This->nsevent) {
 644         nsIDOMMouseEvent *mouse_event;
 645         nsresult nsres;
 646
 647         nsres = nsIDOMEvent_QueryInterface(This->nsevent, &IID_nsIDOMMouseEvent, (void**)&mouse_event);
 648         if(NS_SUCCEEDED(nsres)) {
 649             nsIDOMMouseEvent_GetScreenY(mouse_event, &y);
 650             nsIDOMMouseEvent_Release(mouse_event);
 651         }
 652     }
 653
 654     *p = y;
 655     return S_OK;
 656 }
 657
 658 static HRESULT WINAPI HTMLEventObj_get_srcFilter(IHTMLEventObj *iface, IDispatch **p)
 659 {
 660     HTMLEventObj *This = HTMLEVENTOBJ_THIS(iface);
 661
 662     FIXME("(%p)->(%p)\n", This, p);
 663
 664     *p = NULL;
 665     return S_OK;
 666 }
 667
 668 #undef HTMLEVENTOBJ_THIS
 669
 670 static const IHTMLEventObjVtbl HTMLEventObjVtbl = {
 671     HTMLEventObj_QueryInterface,
 672     HTMLEventObj_AddRef,
 673     HTMLEventObj_Release,
 674     HTMLEventObj_GetTypeInfoCount,
 675     HTMLEventObj_GetTypeInfo,
 676     HTMLEventObj_GetIDsOfNames,
 677     HTMLEventObj_Invoke,
 678     HTMLEventObj_get_srcElement,
 679     HTMLEventObj_get_altKey,
 680     HTMLEventObj_get_ctrlKey,
 681     HTMLEventObj_get_shiftKey,
 682     HTMLEventObj_put_returnValue,
 683     HTMLEventObj_get_returnValue,
 684     HTMLEventObj_put_cancelBubble,
 685     HTMLEventObj_get_cancelBubble,
 686     HTMLEventObj_get_fromElement,
 687     HTMLEventObj_get_toElement,
 688     HTMLEventObj_put_keyCode,
 689     HTMLEventObj_get_keyCode,
 690     HTMLEventObj_get_button,
 691     HTMLEventObj_get_type,
 692     HTMLEventObj_get_qualifier,
 693     HTMLEventObj_get_reason,
 694     HTMLEventObj_get_x,
 695     HTMLEventObj_get_y,
 696     HTMLEventObj_get_clientX,
 697     HTMLEventObj_get_clientY,
 698     HTMLEventObj_get_offsetX,
 699     HTMLEventObj_get_offsetY,
 700     HTMLEventObj_get_screenX,
 701     HTMLEventObj_get_screenY,
 702     HTMLEventObj_get_srcFilter
 703 };
 704
 705 static const tid_t HTMLEventObj_iface_tids[] = {
 706     IHTMLEventObj_tid,
 707     0
 708 };
 709
 710 static dispex_static_data_t HTMLEventObj_dispex = {
 711     NULL,
 712     DispCEventObj_tid,
 713     NULL,
 714     HTMLEventObj_iface_tids
 715 };
 716
 717 static IHTMLEventObj *create_event(HTMLDOMNode *target, eventid_t eid, nsIDOMEvent *nsevent)
 718 {
 719     HTMLEventObj *ret;
 720
 721     ret = heap_alloc(sizeof(*ret));
 722     if(!ret)
 723         return NULL;
 724
 725     ret->lpIHTMLEventObjVtbl = &HTMLEventObjVtbl;
 726     ret->ref = 1;
 727     ret->type = event_info+eid;
 728
 729     ret->nsevent = nsevent;
 730     if(nsevent) {
 731         nsIDOMEvent_AddRef(nsevent);
 732     }else if(event_types[event_info[eid].type]) {
 733         nsIDOMDocumentEvent *doc_event;
 734         nsresult nsres;
 735
 736         nsres = nsIDOMHTMLDocument_QueryInterface(target->doc->nsdoc, &IID_nsIDOMDocumentEvent,
 737                  (void**)&doc_event);
 738         if(NS_SUCCEEDED(nsres)) {
 739             nsAString type_str;
 740
 741             nsAString_Init(&type_str, event_types[event_info[eid].type]);
 742             nsres = nsIDOMDocumentEvent_CreateEvent(doc_event, &type_str, &ret->nsevent);
 743             nsAString_Finish(&type_str);
 744             nsIDOMDocumentEvent_Release(doc_event);
 745         }
 746         if(NS_FAILED(nsres)) {
 747             ERR("Could not create event: %08x\n", nsres);
 748             IHTMLEventObj_Release(HTMLEVENTOBJ(ret));
 749             return NULL;
 750         }
 751     }
 752
 753     ret->target = target;
 754     IHTMLDOMNode_AddRef(HTMLDOMNODE(target));
 755
 756     init_dispex(&ret->dispex, (IUnknown*)HTMLEVENTOBJ(ret), &HTMLEventObj_dispex);
 757
 758     return HTMLEVENTOBJ(ret);
 759 }
 760
 761 static HRESULT call_cp_func(IDispatch *disp, DISPID dispid)
 762 {
 763     DISPPARAMS dp = {NULL,NULL,0,0};
 764     ULONG argerr;
 765     EXCEPINFO ei;
 766     VARIANT vres;
 767     HRESULT hres;
 768
 769     V_VT(&vres) = VT_EMPTY;
 770     memset(&ei, 0, sizeof(ei));
 771     hres = IDispatch_Invoke(disp, dispid, &IID_NULL, 0, DISPATCH_METHOD, &dp, &vres, &ei, &argerr);
 772     if(SUCCEEDED(hres) && V_VT(&vres) != VT_EMPTY) {
 773         FIXME("handle result %s\n", debugstr_variant(&vres));
 774         VariantClear(&vres);
 775     }
 776
 777     return hres;
 778 }
 779
 780 static BOOL is_cp_event(ConnectionPoint *cp, DISPID dispid)
 781 {
 782     cp_static_data_t *data;
 783     int min, max, i;
 784     HRESULT hres;
 785
 786     data = cp->data;
 787     if(!data)
 788         return FALSE;
 789
 790     if(!data->ids) {
 791         hres = get_dispids(data->tid, &data->id_cnt, &data->ids);
 792         if(FAILED(hres))
 793             return FALSE;
 794     }
 795
 796     min = 0;
 797     max = data->id_cnt-1;
 798     while(min <= max) {
 799         i = (min+max)/2;
 800         if(data->ids[i] == dispid)
 801             return TRUE;
 802
 803         if(data->ids[i] < dispid)
 804             min = i+1;
 805         else
 806             max = i-1;
 807     }
 808
 809     return FALSE;
 810 }
 811
 812 static void call_event_handlers(HTMLDocumentNode *doc, IHTMLEventObj *event_obj, event_target_t *event_target,
 813         ConnectionPointContainer *cp_container, eventid_t eid, IDispatch *this_obj)
 814 {
 815     handler_vector_t *handler_vector = NULL;
 816     DWORD i;
 817     HRESULT hres;
 818
 819     if(event_target)
 820         handler_vector = event_target->event_table[eid];
 821
 822     if(handler_vector && handler_vector->handler_prop) {
 823         DISPID named_arg = DISPID_THIS;
 824         VARIANTARG arg;
 825         DISPPARAMS dp = {&arg, &named_arg, 1, 1};
 826
 827         V_VT(&arg) = VT_DISPATCH;
 828         V_DISPATCH(&arg) = this_obj;
 829
 830         TRACE("%s >>>\n", debugstr_w(event_info[eid].name));
 831         hres = call_disp_func(handler_vector->handler_prop, &dp);
 832         if(hres == S_OK)
 833             TRACE("%s <<<\n", debugstr_w(event_info[eid].name));
 834         else
 835             WARN("%s <<< %08x\n", debugstr_w(event_info[eid].name), hres);
 836     }
 837
 838     if(handler_vector && handler_vector->handler_cnt) {
 839         VARIANTARG arg;
 840         DISPPARAMS dp = {&arg, NULL, 1, 0};
 841
 842         V_VT(&arg) = VT_DISPATCH;
 843         V_DISPATCH(&arg) = (IDispatch*)event_obj;
 844
 845         for(i=0; i < handler_vector->handler_cnt; i++) {
 846             if(handler_vector->handlers[i]) {
 847                 TRACE("%s [%d] >>>\n", debugstr_w(event_info[eid].name), i);
 848                 hres = call_disp_func(handler_vector->handlers[i], &dp);
 849                 if(hres == S_OK)
 850                     TRACE("%s [%d] <<<\n", debugstr_w(event_info[eid].name), i);
 851                 else
 852                     WARN("%s [%d] <<< %08x\n", debugstr_w(event_info[eid].name), i, hres);
 853             }
 854         }
 855     }
 856
 857     if(cp_container) {
 858         ConnectionPoint *cp;
 859
 860         if(cp_container->forward_container)
 861             cp_container = cp_container->forward_container;
 862
 863         for(cp = cp_container->cp_list; cp; cp = cp->next) {
 864             if(cp->sinks_size && is_cp_event(cp, event_info[eid].dispid)) {
 865                 for(i=0; i < cp->sinks_size; i++) {
 866                     TRACE("cp %s [%d] >>>\n", debugstr_w(event_info[eid].name), i);
 867                     hres = call_cp_func(cp->sinks[i].disp, event_info[eid].dispid);
 868                     if(hres == S_OK)
 869                         TRACE("cp %s [%d] <<<\n", debugstr_w(event_info[eid].name), i);
 870                     else
 871                         WARN("cp %s [%d] <<< %08x\n", debugstr_w(event_info[eid].name), i, hres);
 872                 }
 873             }
 874         }
 875     }
 876 }
 877
 878 void fire_event(HTMLDocumentNode *doc, eventid_t eid, nsIDOMNode *target, nsIDOMEvent *nsevent)
 879 {
 880     IHTMLEventObj *prev_event, *event_obj = NULL;
 881     nsIDOMNode *parent, *nsnode;
 882     HTMLDOMNode *node;
 883     PRUint16 node_type;
 884
 885     TRACE("(%p) %s\n", doc, debugstr_w(event_info[eid].name));
 886
 887     prev_event = doc->basedoc.window->event;
 888     event_obj = doc->basedoc.window->event = create_event(get_node(doc, target, TRUE), eid, nsevent);
 889
 890     nsIDOMNode_GetNodeType(target, &node_type);
 891     nsnode = target;
 892     nsIDOMNode_AddRef(nsnode);
 893
 894     switch(node_type) {
 895     case ELEMENT_NODE:
 896         do {
 897             node = get_node(doc, nsnode, FALSE);
 898             if(node)
 899                 call_event_handlers(doc, event_obj, *get_node_event_target(node), node->cp_container, eid,
 900                         (IDispatch*)HTMLDOMNODE(node));
 901
 902             if(!(event_info[eid].flags & EVENT_BUBBLE))
 903                 break;
 904
 905             nsIDOMNode_GetParentNode(nsnode, &parent);
 906             nsIDOMNode_Release(nsnode);
 907             nsnode = parent;
 908             if(!nsnode)
 909                 break;
 910
 911             nsIDOMNode_GetNodeType(nsnode, &node_type);
 912         }while(node_type == ELEMENT_NODE);
 913
 914         if(!(event_info[eid].flags & EVENT_BUBBLE))
 915             break;
 916
 917     case DOCUMENT_NODE:
 918         if(event_info[eid].flags & EVENT_FORWARDBODY) {
 919             nsIDOMHTMLElement *nsbody;
 920             nsresult nsres;
 921
 922             nsres = nsIDOMHTMLDocument_GetBody(doc->nsdoc, &nsbody);
 923             if(NS_SUCCEEDED(nsres) && nsbody) {
 924                 node = get_node(doc, (nsIDOMNode*)nsbody, FALSE);
 925                 if(node)
 926                     call_event_handlers(doc, event_obj, *get_node_event_target(node), node->cp_container,
 927                             eid, (IDispatch*)HTMLDOMNODE(node));
 928                 nsIDOMHTMLElement_Release(nsbody);
 929             }else {
 930                 ERR("Could not get body: %08x\n", nsres);
 931             }
 932         }
 933
 934         call_event_handlers(doc, event_obj, doc->basedoc.doc_node->node.event_target, &doc->basedoc.cp_container, eid,
 935                 (IDispatch*)HTMLDOC(&doc->basedoc));
 936         break;
 937
 938     default:
 939         FIXME("unimplemented node type %d\n", node_type);
 940     }
 941
 942     if(nsnode)
 943         nsIDOMNode_Release(nsnode);
 944
 945     IHTMLEventObj_Release(event_obj);
 946     doc->basedoc.window->event = prev_event;
 947 }
 948
 949 HRESULT dispatch_event(HTMLDOMNode *node, const WCHAR *event_name, VARIANT *event_obj, VARIANT_BOOL *cancelled)
 950 {
 951     eventid_t eid;
 952
 953     eid = attr_to_eid(event_name);
 954     if(eid == EVENTID_LAST) {
 955         WARN("unknown event %s\n", debugstr_w(event_name));
 956         return E_INVALIDARG;
 957     }
 958
 959     if(event_obj && V_VT(event_obj) != VT_EMPTY && V_VT(event_obj) != VT_ERROR)
 960         FIXME("event_obj not implemented\n");
 961
 962     if(!(event_info[eid].flags & EVENT_DEFAULTLISTENER)) {
 963         FIXME("not EVENT_DEFAULTEVENTHANDLER\n");
 964         return E_NOTIMPL;
 965     }
 966
 967     fire_event(node->doc, eid, node->nsnode, NULL);
 968
 969     *cancelled = VARIANT_TRUE; /* FIXME */
 970     return S_OK;
 971 }
 972
 973 HRESULT call_event(HTMLDOMNode *node, eventid_t eid)
 974 {
 975     HRESULT hres;
 976
 977     if(node->vtbl->call_event) {
 978         BOOL handled = FALSE;
 979
 980         hres = node->vtbl->call_event(node, eid, &handled);
 981         if(handled)
 982             return hres;
 983     }
 984
 985     fire_event(node->doc, eid, node->nsnode, NULL);
 986     return S_OK;
 987 }
 988
 989 static inline event_target_t *get_event_target(event_target_t **event_target_ptr)
 990 {
 991     if(!*event_target_ptr)
 992         *event_target_ptr = heap_alloc_zero(sizeof(event_target_t));
 993     return *event_target_ptr;
 994 }
 995
 996 static BOOL alloc_handler_vector(event_target_t *event_target, eventid_t eid, int cnt)
 997 {
 998     handler_vector_t *new_vector, *handler_vector = event_target->event_table[eid];
 999
1000     if(handler_vector) {
1001         if(cnt <= handler_vector->handler_cnt)
1002             return TRUE;
1003
1004         new_vector = heap_realloc_zero(handler_vector, sizeof(handler_vector_t) + sizeof(IDispatch*)*cnt);
1005     }else {
1006         new_vector = heap_alloc_zero(sizeof(handler_vector_t) + sizeof(IDispatch*)*cnt);
1007     }
1008
1009     if(!new_vector)
1010         return FALSE;
1011
1012     new_vector->handler_cnt = cnt;
1013     event_target->event_table[eid] = new_vector;
1014     return TRUE;
1015 }
1016
1017 static HRESULT set_event_handler_disp(event_target_t **event_target_ptr, HTMLDocumentNode *doc,
1018         eventid_t eid, IDispatch *disp)
1019 {
1020     event_target_t *event_target;
1021
1022     event_target = get_event_target(event_target_ptr);
1023     if(!event_target)
1024         return E_OUTOFMEMORY;
1025
1026     if(!alloc_handler_vector(event_target, eid, 0))
1027         return E_OUTOFMEMORY;
1028
1029     if(event_target->event_table[eid]->handler_prop)
1030         IDispatch_Release(event_target->event_table[eid]->handler_prop);
1031
1032     event_target->event_table[eid]->handler_prop = disp;
1033     if(!disp)
1034         return S_OK;
1035     IDispatch_AddRef(disp);
1036
1037     if(doc->nsdoc && (event_info[eid].flags & EVENT_DEFAULTLISTENER)) {
1038         if(!doc->event_vector) {
1039             doc->event_vector = heap_alloc_zero(EVENTID_LAST*sizeof(BOOL));
1040             if(!doc->event_vector)
1041                 return E_OUTOFMEMORY;
1042         }
1043
1044         if(!doc->event_vector[eid]) {
1045             doc->event_vector[eid] = TRUE;
1046             add_nsevent_listener(doc, event_info[eid].name);
1047         }
1048     }
1049
1050     return S_OK;
1051 }
1052
1053 HRESULT set_event_handler(event_target_t **event_target, HTMLDocumentNode *doc, eventid_t eid, VARIANT *var)
1054 {
1055     switch(V_VT(var)) {
1056     case VT_NULL:
1057         if(*event_target && (*event_target)->event_table[eid] && (*event_target)->event_table[eid]->handler_prop) {
1058             IDispatch_Release((*event_target)->event_table[eid]->handler_prop);
1059             (*event_target)->event_table[eid]->handler_prop = NULL;
1060         }
1061         break;
1062
1063     case VT_DISPATCH:
1064         return set_event_handler_disp(event_target, doc, eid, V_DISPATCH(var));
1065
1066     default:
1067         FIXME("not supported vt=%d\n", V_VT(var));
1068         return E_NOTIMPL;
1069     }
1070
1071     return S_OK;
1072 }
1073
1074 HRESULT get_event_handler(event_target_t **event_target, eventid_t eid, VARIANT *var)
1075 {
1076     if(*event_target && (*event_target)->event_table[eid] && (*event_target)->event_table[eid]->handler_prop) {
1077         V_VT(var) = VT_DISPATCH;
1078         V_DISPATCH(var) = (*event_target)->event_table[eid]->handler_prop;
1079         IDispatch_AddRef(V_DISPATCH(var));
1080     }else {
1081         V_VT(var) = VT_NULL;
1082     }
1083
1084     return S_OK;
1085 }
1086
1087 HRESULT attach_event(event_target_t **event_target_ptr, HTMLDocument *doc, BSTR name, IDispatch *disp, VARIANT_BOOL *res)
1088 {
1089     event_target_t *event_target;
1090     eventid_t eid;
1091     DWORD i = 0;
1092
1093     eid = attr_to_eid(name);
1094     if(eid == EVENTID_LAST) {
1095         WARN("Unknown event\n");
1096         *res = VARIANT_TRUE;
1097         return S_OK;
1098     }
1099
1100     event_target = get_event_target(event_target_ptr);
1101     if(!event_target)
1102         return E_OUTOFMEMORY;
1103
1104     if(event_target->event_table[eid]) {
1105         while(i < event_target->event_table[eid]->handler_cnt && event_target->event_table[eid]->handlers[i])
1106             i++;
1107         if(i == event_target->event_table[eid]->handler_cnt && !alloc_handler_vector(event_target, eid, i+1))
1108             return E_OUTOFMEMORY;
1109     }else if(!alloc_handler_vector(event_target, eid, i+1)) {
1110         return E_OUTOFMEMORY;
1111     }
1112
1113     IDispatch_AddRef(disp);
1114     event_target->event_table[eid]->handlers[i] = disp;
1115
1116     *res = VARIANT_TRUE;
1117     return S_OK;
1118 }
1119
1120 void check_event_attr(HTMLDocumentNode *doc, nsIDOMElement *nselem)
1121 {
1122     const PRUnichar *attr_value;
1123     nsAString attr_name_str, attr_value_str;
1124     IDispatch *disp;
1125     HTMLDOMNode *node;
1126     int i;
1127     nsresult nsres;
1128
1129     nsAString_Init(&attr_value_str, NULL);
1130     nsAString_Init(&attr_name_str, NULL);
1131
1132     for(i=0; i < EVENTID_LAST; i++) {
1133         nsAString_SetData(&attr_name_str, event_info[i].attr_name);
1134         nsres = nsIDOMElement_GetAttribute(nselem, &attr_name_str, &attr_value_str);
1135         if(NS_SUCCEEDED(nsres)) {
1136             nsAString_GetData(&attr_value_str, &attr_value);
1137             if(!*attr_value)
1138                 continue;
1139
1140             TRACE("%p.%s = %s\n", nselem, debugstr_w(event_info[i].attr_name), debugstr_w(attr_value));
1141
1142             disp = script_parse_event(doc->basedoc.window, attr_value);
1143             if(disp) {
1144                 node = get_node(doc, (nsIDOMNode*)nselem, TRUE);
1145                 set_event_handler_disp(get_node_event_target(node), node->doc, i, disp);
1146                 IDispatch_Release(disp);
1147             }
1148         }
1149     }
1150
1151     nsAString_Finish(&attr_value_str);
1152     nsAString_Finish(&attr_name_str);
1153 }
1154
1155 void release_event_target(event_target_t *event_target)
1156 {
1157     int i, j;
1158
1159     for(i=0; i < EVENTID_LAST; i++) {
1160         if(event_target->event_table[i]) {
1161             if(event_target->event_table[i]->handler_prop)
1162                 IDispatch_Release(event_target->event_table[i]->handler_prop);
1163             for(j=0; j < event_target->event_table[i]->handler_cnt; j++)
1164                 IDispatch_Release(event_target->event_table[i]->handlers[j]);
1165         }
1166     }
1167
1168     heap_free(event_target);
1169 }