git.oblomov.eu Git - wine/blob - 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 #include "htmlscript.h"
  32
  33 #include "wine/debug.h"
  34
  35 WINE_DEFAULT_DEBUG_CHANNEL(mshtml);
  36
  37 typedef struct {
  38     IDispatch *handler_prop;
  39     DWORD handler_cnt;
  40     IDispatch *handlers[0];
  41 } handler_vector_t;
  42
  43 struct event_target_t {
  44     DWORD node_handlers_mask;
  45     handler_vector_t *event_table[EVENTID_LAST];
  46 };
  47
  48 static const WCHAR abortW[] = {'a','b','o','r','t',0};
  49 static const WCHAR onabortW[] = {'o','n','a','b','o','r','t',0};
  50
  51 static const WCHAR beforeunloadW[] = {'b','e','f','o','r','e','u','n','l','o','a','d',0};
  52 static const WCHAR onbeforeunloadW[] = {'o','n','b','e','f','o','r','e','u','n','l','o','a','d',0};
  53
  54 static const WCHAR blurW[] = {'b','l','u','r',0};
  55 static const WCHAR onblurW[] = {'o','n','b','l','u','r',0};
  56
  57 static const WCHAR changeW[] = {'c','h','a','n','g','e',0};
  58 static const WCHAR onchangeW[] = {'o','n','c','h','a','n','g','e',0};
  59
  60 static const WCHAR clickW[] = {'c','l','i','c','k',0};
  61 static const WCHAR onclickW[] = {'o','n','c','l','i','c','k',0};
  62
  63 static const WCHAR contextmenuW[] = {'c','o','n','t','e','x','t','m','e','n','u',0};
  64 static const WCHAR oncontextmenuW[] = {'o','n','c','o','n','t','e','x','t','m','e','n','u',0};
  65
  66 static const WCHAR dataavailableW[] = {'d','a','t','a','a','v','a','i','l','a','b','l','e',0};
  67 static const WCHAR ondataavailableW[] = {'o','n','d','a','t','a','a','v','a','i','l','a','b','l','e',0};
  68
  69 static const WCHAR dblclickW[] = {'d','b','l','c','l','i','c','k',0};
  70 static const WCHAR ondblclickW[] = {'o','n','d','b','l','c','l','i','c','k',0};
  71
  72 static const WCHAR dragW[] = {'d','r','a','g',0};
  73 static const WCHAR ondragW[] = {'o','n','d','r','a','g',0};
  74
  75 static const WCHAR dragstartW[] = {'d','r','a','g','s','t','a','r','t',0};
  76 static const WCHAR ondragstartW[] = {'o','n','d','r','a','g','s','t','a','r','t',0};
  77
  78 static const WCHAR errorW[] = {'e','r','r','o','r',0};
  79 static const WCHAR onerrorW[] = {'o','n','e','r','r','o','r',0};
  80
  81 static const WCHAR focusW[] = {'f','o','c','u','s',0};
  82 static const WCHAR onfocusW[] = {'o','n','f','o','c','u','s',0};
  83
  84 static const WCHAR helpW[] = {'h','e','l','p',0};
  85 static const WCHAR onhelpW[] = {'o','n','h','e','l','p',0};
  86
  87 static const WCHAR keydownW[] = {'k','e','y','d','o','w','n',0};
  88 static const WCHAR onkeydownW[] = {'o','n','k','e','y','d','o','w','n',0};
  89
  90 static const WCHAR keypressW[] = {'k','e','y','p','r','e','s','s',0};
  91 static const WCHAR onkeypressW[] = {'o','n','k','e','y','p','r','e','s','s',0};
  92
  93 static const WCHAR keyupW[] = {'k','e','y','u','p',0};
  94 static const WCHAR onkeyupW[] = {'o','n','k','e','y','u','p',0};
  95
  96 static const WCHAR loadW[] = {'l','o','a','d',0};
  97 static const WCHAR onloadW[] = {'o','n','l','o','a','d',0};
  98
  99 static const WCHAR mousedownW[] = {'m','o','u','s','e','d','o','w','n',0};
 100 static const WCHAR onmousedownW[] = {'o','n','m','o','u','s','e','d','o','w','n',0};
 101
 102 static const WCHAR mousemoveW[] = {'m','o','u','s','e','m','o','v','e',0};
 103 static const WCHAR onmousemoveW[] = {'o','n','m','o','u','s','e','m','o','v','e',0};
 104
 105 static const WCHAR mouseoutW[] = {'m','o','u','s','e','o','u','t',0};
 106 static const WCHAR onmouseoutW[] = {'o','n','m','o','u','s','e','o','u','t',0};
 107
 108 static const WCHAR mouseoverW[] = {'m','o','u','s','e','o','v','e','r',0};
 109 static const WCHAR onmouseoverW[] = {'o','n','m','o','u','s','e','o','v','e','r',0};
 110
 111 static const WCHAR mouseupW[] = {'m','o','u','s','e','u','p',0};
 112 static const WCHAR onmouseupW[] = {'o','n','m','o','u','s','e','u','p',0};
 113
 114 static const WCHAR pasteW[] = {'p','a','s','t','e',0};
 115 static const WCHAR onpasteW[] = {'o','n','p','a','s','t','e',0};
 116
 117 static const WCHAR readystatechangeW[] = {'r','e','a','d','y','s','t','a','t','e','c','h','a','n','g','e',0};
 118 static const WCHAR onreadystatechangeW[] = {'o','n','r','e','a','d','y','s','t','a','t','e','c','h','a','n','g','e',0};
 119
 120 static const WCHAR resizeW[] = {'r','e','s','i','z','e',0};
 121 static const WCHAR onresizeW[] = {'o','n','r','e','s','i','z','e',0};
 122
 123 static const WCHAR scrollW[] = {'s','c','r','o','l','l',0};
 124 static const WCHAR onscrollW[] = {'o','n','s','c','r','o','l','l',0};
 125
 126 static const WCHAR selectstartW[] = {'s','e','l','e','c','t','s','t','a','r','t',0};
 127 static const WCHAR onselectstartW[] = {'o','n','s','e','l','e','c','t','s','t','a','r','t',0};
 128
 129 static const WCHAR submitW[] = {'s','u','b','m','i','t',0};
 130 static const WCHAR onsubmitW[] = {'o','n','s','u','b','m','i','t',0};
 131
 132 static const WCHAR HTMLEventsW[] = {'H','T','M','L','E','v','e','n','t','s',0};
 133 static const WCHAR KeyboardEventW[] = {'K','e','y','b','o','a','r','d','E','v','e','n','t',0};
 134 static const WCHAR MouseEventW[] = {'M','o','u','s','e','E','v','e','n','t',0};
 135
 136 enum {
 137     EVENTT_NONE,
 138     EVENTT_HTML,
 139     EVENTT_KEY,
 140     EVENTT_MOUSE
 141 };
 142
 143 static const WCHAR *event_types[] = {
 144     NULL,
 145     HTMLEventsW,
 146     KeyboardEventW,
 147     MouseEventW
 148 };
 149
 150 typedef struct {
 151     LPCWSTR name;
 152     LPCWSTR attr_name;
 153     DWORD type;
 154     DISPID dispid;
 155     DWORD flags;
 156 } event_info_t;
 157
 158 #define EVENT_DEFAULTLISTENER    0x0001
 159 #define EVENT_BUBBLE             0x0002
 160 #define EVENT_FORWARDBODY        0x0004
 161 #define EVENT_NODEHANDLER        0x0008
 162 #define EVENT_CANCELABLE         0x0010
 163 #define EVENT_HASDEFAULTHANDLERS 0x0020
 164
 165 static const event_info_t event_info[] = {
 166     {abortW,             onabortW,             EVENTT_NONE,   DISPID_EVMETH_ONABORT,
 167         EVENT_NODEHANDLER},
 168     {beforeunloadW,      onbeforeunloadW,      EVENTT_NONE,   DISPID_EVMETH_ONBEFOREUNLOAD,
 169         EVENT_DEFAULTLISTENER|EVENT_FORWARDBODY},
 170     {blurW,              onblurW,              EVENTT_HTML,   DISPID_EVMETH_ONBLUR,
 171         EVENT_DEFAULTLISTENER},
 172     {changeW,            onchangeW,            EVENTT_HTML,   DISPID_EVMETH_ONCHANGE,
 173         EVENT_DEFAULTLISTENER|EVENT_BUBBLE},
 174     {clickW,             onclickW,             EVENTT_MOUSE,  DISPID_EVMETH_ONCLICK,
 175         EVENT_DEFAULTLISTENER|EVENT_BUBBLE|EVENT_CANCELABLE|EVENT_HASDEFAULTHANDLERS},
 176     {contextmenuW,       oncontextmenuW,       EVENTT_MOUSE,  DISPID_EVMETH_ONCONTEXTMENU,
 177         EVENT_BUBBLE|EVENT_CANCELABLE},
 178     {dataavailableW,     ondataavailableW,     EVENTT_NONE,   DISPID_EVMETH_ONDATAAVAILABLE,
 179         EVENT_BUBBLE},
 180     {dblclickW,          ondblclickW,          EVENTT_MOUSE,  DISPID_EVMETH_ONDBLCLICK,
 181         EVENT_DEFAULTLISTENER|EVENT_BUBBLE|EVENT_CANCELABLE},
 182     {dragW,              ondragW,              EVENTT_MOUSE,  DISPID_EVMETH_ONDRAG,
 183         EVENT_CANCELABLE},
 184     {dragstartW,         ondragstartW,         EVENTT_MOUSE,  DISPID_EVMETH_ONDRAGSTART,
 185         EVENT_CANCELABLE},
 186     {errorW,             onerrorW,             EVENTT_NONE,   DISPID_EVMETH_ONERROR,
 187         EVENT_NODEHANDLER},
 188     {focusW,             onfocusW,             EVENTT_HTML,   DISPID_EVMETH_ONFOCUS,
 189         EVENT_DEFAULTLISTENER},
 190     {helpW,              onhelpW,              EVENTT_KEY,    DISPID_EVMETH_ONHELP,
 191         EVENT_BUBBLE|EVENT_CANCELABLE},
 192     {keydownW,           onkeydownW,           EVENTT_KEY,    DISPID_EVMETH_ONKEYDOWN,
 193         EVENT_DEFAULTLISTENER|EVENT_BUBBLE|EVENT_HASDEFAULTHANDLERS},
 194     {keypressW,          onkeypressW,          EVENTT_KEY,    DISPID_EVMETH_ONKEYPRESS,
 195         EVENT_DEFAULTLISTENER|EVENT_BUBBLE},
 196     {keyupW,             onkeyupW,             EVENTT_KEY,    DISPID_EVMETH_ONKEYUP,
 197         EVENT_DEFAULTLISTENER|EVENT_BUBBLE},
 198     {loadW,              onloadW,              EVENTT_HTML,   DISPID_EVMETH_ONLOAD,
 199         EVENT_NODEHANDLER},
 200     {mousedownW,         onmousedownW,         EVENTT_MOUSE,  DISPID_EVMETH_ONMOUSEDOWN,
 201         EVENT_DEFAULTLISTENER|EVENT_BUBBLE},
 202     {mousemoveW,         onmousemoveW,         EVENTT_MOUSE,  DISPID_EVMETH_ONMOUSEMOVE,
 203         EVENT_DEFAULTLISTENER|EVENT_BUBBLE},
 204     {mouseoutW,          onmouseoutW,          EVENTT_MOUSE,  DISPID_EVMETH_ONMOUSEOUT,
 205         EVENT_DEFAULTLISTENER|EVENT_BUBBLE},
 206     {mouseoverW,         onmouseoverW,         EVENTT_MOUSE,  DISPID_EVMETH_ONMOUSEOVER,
 207         EVENT_DEFAULTLISTENER|EVENT_BUBBLE},
 208     {mouseupW,           onmouseupW,           EVENTT_MOUSE,  DISPID_EVMETH_ONMOUSEUP,
 209         EVENT_DEFAULTLISTENER|EVENT_BUBBLE},
 210     {pasteW,             onpasteW,             EVENTT_NONE,   DISPID_EVMETH_ONPASTE,
 211         EVENT_CANCELABLE},
 212     {readystatechangeW,  onreadystatechangeW,  EVENTT_NONE,   DISPID_EVMETH_ONREADYSTATECHANGE,
 213         0},
 214     {resizeW,            onresizeW,            EVENTT_NONE,   DISPID_EVMETH_ONRESIZE,
 215         EVENT_DEFAULTLISTENER|EVENT_BUBBLE},
 216     {scrollW,            onscrollW,            EVENTT_HTML,   DISPID_EVMETH_ONSCROLL,
 217         EVENT_DEFAULTLISTENER|EVENT_BUBBLE},
 218     {selectstartW,       onselectstartW,       EVENTT_MOUSE,  DISPID_EVMETH_ONSELECTSTART,
 219         EVENT_CANCELABLE},
 220     {submitW,            onsubmitW,            EVENTT_HTML,   DISPID_EVMETH_ONSUBMIT,
 221         EVENT_DEFAULTLISTENER|EVENT_BUBBLE|EVENT_CANCELABLE}
 222 };
 223
 224 static const eventid_t node_handled_list[] = { EVENTID_ABORT, EVENTID_ERROR, EVENTID_LOAD };
 225
 226 eventid_t str_to_eid(LPCWSTR str)
 227 {
 228     int i;
 229
 230     for(i=0; i < sizeof(event_info)/sizeof(event_info[0]); i++) {
 231         if(!strcmpW(event_info[i].name, str))
 232             return i;
 233     }
 234
 235     ERR("unknown type %s\n", debugstr_w(str));
 236     return EVENTID_LAST;
 237 }
 238
 239 static eventid_t attr_to_eid(LPCWSTR str)
 240 {
 241     int i;
 242
 243     for(i=0; i < sizeof(event_info)/sizeof(event_info[0]); i++) {
 244         if(!strcmpW(event_info[i].attr_name, str))
 245             return i;
 246     }
 247
 248     return EVENTID_LAST;
 249 }
 250
 251 static DWORD get_node_handler_mask(eventid_t eid)
 252 {
 253     DWORD i;
 254
 255     for(i=0; i<sizeof(node_handled_list)/sizeof(*node_handled_list); i++) {
 256         if(node_handled_list[i] == eid)
 257             return 1 << i;
 258     }
 259
 260     ERR("Invalid eid %d\n", eid);
 261     return ~0;
 262 }
 263
 264 typedef struct {
 265     DispatchEx dispex;
 266     IHTMLEventObj IHTMLEventObj_iface;
 267
 268     LONG ref;
 269
 270     HTMLDOMNode *target;
 271     const event_info_t *type;
 272     nsIDOMEvent *nsevent;
 273     BOOL prevent_default;
 274     BOOL cancel_bubble;
 275 } HTMLEventObj;
 276
 277 static inline HTMLEventObj *impl_from_IHTMLEventObj(IHTMLEventObj *iface)
 278 {
 279     return CONTAINING_RECORD(iface, HTMLEventObj, IHTMLEventObj_iface);
 280 }
 281
 282 static HRESULT WINAPI HTMLEventObj_QueryInterface(IHTMLEventObj *iface, REFIID riid, void **ppv)
 283 {
 284     HTMLEventObj *This = impl_from_IHTMLEventObj(iface);
 285
 286     *ppv = NULL;
 287
 288     if(IsEqualGUID(&IID_IUnknown, riid)) {
 289         TRACE("(%p)->(IID_IUnknown %p)\n", This, ppv);
 290         *ppv = &This->IHTMLEventObj_iface;
 291     }else if(IsEqualGUID(&IID_IHTMLEventObj, riid)) {
 292         TRACE("(%p)->(IID_IHTMLEventObj %p)\n", This, ppv);
 293         *ppv = &This->IHTMLEventObj_iface;
 294     }else if(dispex_query_interface(&This->dispex, riid, ppv)) {
 295         return *ppv ? S_OK : E_NOINTERFACE;
 296     }
 297
 298     if(*ppv) {
 299         IUnknown_AddRef((IUnknown*)*ppv);
 300         return S_OK;
 301     }
 302
 303     WARN("(%p)->(%s %p)\n", This, debugstr_guid(riid), ppv);
 304     return E_NOINTERFACE;
 305 }
 306
 307 static ULONG WINAPI HTMLEventObj_AddRef(IHTMLEventObj *iface)
 308 {
 309     HTMLEventObj *This = impl_from_IHTMLEventObj(iface);
 310     LONG ref = InterlockedIncrement(&This->ref);
 311
 312     TRACE("(%p) ref=%d\n", This, ref);
 313
 314     return ref;
 315 }
 316
 317 static ULONG WINAPI HTMLEventObj_Release(IHTMLEventObj *iface)
 318 {
 319     HTMLEventObj *This = impl_from_IHTMLEventObj(iface);
 320     LONG ref = InterlockedDecrement(&This->ref);
 321
 322     TRACE("(%p) ref=%d\n", This, ref);
 323
 324     if(!ref) {
 325         if(This->target)
 326             IHTMLDOMNode_Release(&This->target->IHTMLDOMNode_iface);
 327         if(This->nsevent)
 328             nsIDOMEvent_Release(This->nsevent);
 329         release_dispex(&This->dispex);
 330         heap_free(This);
 331     }
 332
 333     return ref;
 334 }
 335
 336 static HRESULT WINAPI HTMLEventObj_GetTypeInfoCount(IHTMLEventObj *iface, UINT *pctinfo)
 337 {
 338     HTMLEventObj *This = impl_from_IHTMLEventObj(iface);
 339     return IDispatchEx_GetTypeInfoCount(&This->dispex.IDispatchEx_iface, pctinfo);
 340 }
 341
 342 static HRESULT WINAPI HTMLEventObj_GetTypeInfo(IHTMLEventObj *iface, UINT iTInfo,
 343                                               LCID lcid, ITypeInfo **ppTInfo)
 344 {
 345     HTMLEventObj *This = impl_from_IHTMLEventObj(iface);
 346     return IDispatchEx_GetTypeInfo(&This->dispex.IDispatchEx_iface, iTInfo, lcid, ppTInfo);
 347 }
 348
 349 static HRESULT WINAPI HTMLEventObj_GetIDsOfNames(IHTMLEventObj *iface, REFIID riid,
 350                                                 LPOLESTR *rgszNames, UINT cNames,
 351                                                 LCID lcid, DISPID *rgDispId)
 352 {
 353     HTMLEventObj *This = impl_from_IHTMLEventObj(iface);
 354     return IDispatchEx_GetIDsOfNames(&This->dispex.IDispatchEx_iface, riid, rgszNames, cNames,
 355             lcid, rgDispId);
 356 }
 357
 358 static HRESULT WINAPI HTMLEventObj_Invoke(IHTMLEventObj *iface, DISPID dispIdMember,
 359                             REFIID riid, LCID lcid, WORD wFlags, DISPPARAMS *pDispParams,
 360                             VARIANT *pVarResult, EXCEPINFO *pExcepInfo, UINT *puArgErr)
 361 {
 362     HTMLEventObj *This = impl_from_IHTMLEventObj(iface);
 363     return IDispatchEx_Invoke(&This->dispex.IDispatchEx_iface, dispIdMember, riid, lcid,
 364             wFlags, pDispParams, pVarResult, pExcepInfo, puArgErr);
 365 }
 366
 367 static HRESULT WINAPI HTMLEventObj_get_srcElement(IHTMLEventObj *iface, IHTMLElement **p)
 368 {
 369     HTMLEventObj *This = impl_from_IHTMLEventObj(iface);
 370
 371     TRACE("(%p)->(%p)\n", This, p);
 372
 373     *p = NULL;
 374     if(This->target)
 375         IHTMLDOMNode_QueryInterface(&This->target->IHTMLDOMNode_iface, &IID_IHTMLElement, (void**)p);
 376     return S_OK;
 377 }
 378
 379 static HRESULT WINAPI HTMLEventObj_get_altKey(IHTMLEventObj *iface, VARIANT_BOOL *p)
 380 {
 381     HTMLEventObj *This = impl_from_IHTMLEventObj(iface);
 382     cpp_bool ret = FALSE;
 383
 384     TRACE("(%p)->(%p)\n", This, p);
 385
 386     if(This->nsevent) {
 387         nsIDOMKeyEvent *key_event;
 388         nsresult nsres;
 389
 390         nsres = nsIDOMEvent_QueryInterface(This->nsevent, &IID_nsIDOMKeyEvent, (void**)&key_event);
 391         if(NS_SUCCEEDED(nsres)) {
 392             nsIDOMKeyEvent_GetAltKey(key_event, &ret);
 393             nsIDOMKeyEvent_Release(key_event);
 394         }else {
 395             nsIDOMMouseEvent *mouse_event;
 396
 397             nsres = nsIDOMEvent_QueryInterface(This->nsevent, &IID_nsIDOMMouseEvent, (void**)&mouse_event);
 398             if(NS_SUCCEEDED(nsres)) {
 399                 nsIDOMMouseEvent_GetAltKey(mouse_event, &ret);
 400                 nsIDOMMouseEvent_Release(mouse_event);
 401             }
 402         }
 403     }
 404
 405     *p = ret ? VARIANT_TRUE : VARIANT_FALSE;
 406     return S_OK;
 407 }
 408
 409 static HRESULT WINAPI HTMLEventObj_get_ctrlKey(IHTMLEventObj *iface, VARIANT_BOOL *p)
 410 {
 411     HTMLEventObj *This = impl_from_IHTMLEventObj(iface);
 412     cpp_bool ret = FALSE;
 413
 414     TRACE("(%p)->(%p)\n", This, p);
 415
 416     if(This->nsevent) {
 417         nsIDOMKeyEvent *key_event;
 418         nsresult nsres;
 419
 420         nsres = nsIDOMEvent_QueryInterface(This->nsevent, &IID_nsIDOMKeyEvent, (void**)&key_event);
 421         if(NS_SUCCEEDED(nsres)) {
 422             nsIDOMKeyEvent_GetCtrlKey(key_event, &ret);
 423             nsIDOMKeyEvent_Release(key_event);
 424         }else {
 425             nsIDOMMouseEvent *mouse_event;
 426
 427             nsres = nsIDOMEvent_QueryInterface(This->nsevent, &IID_nsIDOMMouseEvent, (void**)&mouse_event);
 428             if(NS_SUCCEEDED(nsres)) {
 429                 nsIDOMMouseEvent_GetCtrlKey(mouse_event, &ret);
 430                 nsIDOMMouseEvent_Release(mouse_event);
 431             }
 432         }
 433     }
 434
 435     *p = ret ? VARIANT_TRUE : VARIANT_FALSE;
 436     return S_OK;
 437 }
 438
 439 static HRESULT WINAPI HTMLEventObj_get_shiftKey(IHTMLEventObj *iface, VARIANT_BOOL *p)
 440 {
 441     HTMLEventObj *This = impl_from_IHTMLEventObj(iface);
 442     cpp_bool ret = FALSE;
 443
 444     TRACE("(%p)->(%p)\n", This, p);
 445
 446     if(This->nsevent) {
 447         nsIDOMKeyEvent *key_event;
 448         nsresult nsres;
 449
 450         nsres = nsIDOMEvent_QueryInterface(This->nsevent, &IID_nsIDOMKeyEvent, (void**)&key_event);
 451         if(NS_SUCCEEDED(nsres)) {
 452             nsIDOMKeyEvent_GetShiftKey(key_event, &ret);
 453             nsIDOMKeyEvent_Release(key_event);
 454         }else {
 455             nsIDOMMouseEvent *mouse_event;
 456
 457             nsres = nsIDOMEvent_QueryInterface(This->nsevent, &IID_nsIDOMMouseEvent, (void**)&mouse_event);
 458             if(NS_SUCCEEDED(nsres)) {
 459                 nsIDOMMouseEvent_GetShiftKey(mouse_event, &ret);
 460                 nsIDOMMouseEvent_Release(mouse_event);
 461             }
 462         }
 463     }
 464
 465     *p = ret ? VARIANT_TRUE : VARIANT_FALSE;
 466     return S_OK;
 467 }
 468
 469 static HRESULT WINAPI HTMLEventObj_put_returnValue(IHTMLEventObj *iface, VARIANT v)
 470 {
 471     HTMLEventObj *This = impl_from_IHTMLEventObj(iface);
 472
 473     TRACE("(%p)->(%s)\n", This, debugstr_variant(&v));
 474
 475     if(V_VT(&v) != VT_BOOL) {
 476         FIXME("unsupported value %s\n", debugstr_variant(&v));
 477         return DISP_E_BADVARTYPE;
 478     }
 479
 480     if(!V_BOOL(&v))
 481         This->prevent_default = TRUE;
 482     return S_OK;
 483 }
 484
 485 static HRESULT WINAPI HTMLEventObj_get_returnValue(IHTMLEventObj *iface, VARIANT *p)
 486 {
 487     HTMLEventObj *This = impl_from_IHTMLEventObj(iface);
 488
 489     FIXME("(%p)->(%p)\n", This, p);
 490
 491     V_VT(p) = VT_EMPTY;
 492     return S_OK;
 493 }
 494
 495 static HRESULT WINAPI HTMLEventObj_put_cancelBubble(IHTMLEventObj *iface, VARIANT_BOOL v)
 496 {
 497     HTMLEventObj *This = impl_from_IHTMLEventObj(iface);
 498
 499     TRACE("(%p)->(%x)\n", This, v);
 500
 501     This->cancel_bubble = !!v;
 502     return S_OK;
 503 }
 504
 505 static HRESULT WINAPI HTMLEventObj_get_cancelBubble(IHTMLEventObj *iface, VARIANT_BOOL *p)
 506 {
 507     HTMLEventObj *This = impl_from_IHTMLEventObj(iface);
 508
 509     TRACE("(%p)->(%p)\n", This, p);
 510
 511     *p = This->cancel_bubble ? VARIANT_TRUE : VARIANT_FALSE;
 512     return S_OK;
 513 }
 514
 515 static HRESULT WINAPI HTMLEventObj_get_fromElement(IHTMLEventObj *iface, IHTMLElement **p)
 516 {
 517     HTMLEventObj *This = impl_from_IHTMLEventObj(iface);
 518
 519     FIXME("(%p)->(%p)\n", This, p);
 520
 521     *p = NULL;
 522     return S_OK;
 523 }
 524
 525 static HRESULT WINAPI HTMLEventObj_get_toElement(IHTMLEventObj *iface, IHTMLElement **p)
 526 {
 527     HTMLEventObj *This = impl_from_IHTMLEventObj(iface);
 528
 529     FIXME("(%p)->(%p)\n", This, p);
 530
 531     *p = NULL;
 532     return S_OK;
 533 }
 534
 535 static HRESULT WINAPI HTMLEventObj_put_keyCode(IHTMLEventObj *iface, LONG v)
 536 {
 537     HTMLEventObj *This = impl_from_IHTMLEventObj(iface);
 538     FIXME("(%p)->(%d)\n", This, v);
 539     return E_NOTIMPL;
 540 }
 541
 542 static HRESULT WINAPI HTMLEventObj_get_keyCode(IHTMLEventObj *iface, LONG *p)
 543 {
 544     HTMLEventObj *This = impl_from_IHTMLEventObj(iface);
 545     PRUint32 key_code = 0;
 546
 547     TRACE("(%p)->(%p)\n", This, p);
 548
 549     if(This->nsevent) {
 550         nsIDOMKeyEvent *key_event;
 551         nsresult nsres;
 552
 553         nsres = nsIDOMEvent_QueryInterface(This->nsevent, &IID_nsIDOMKeyEvent, (void**)&key_event);
 554         if(NS_SUCCEEDED(nsres)) {
 555             nsIDOMKeyEvent_GetKeyCode(key_event, &key_code);
 556             nsIDOMKeyEvent_Release(key_event);
 557         }
 558     }
 559
 560     *p = key_code;
 561     return S_OK;
 562 }
 563
 564 static HRESULT WINAPI HTMLEventObj_get_button(IHTMLEventObj *iface, LONG *p)
 565 {
 566     HTMLEventObj *This = impl_from_IHTMLEventObj(iface);
 567     PRUint16 button = 0;
 568
 569     TRACE("(%p)->(%p)\n", This, p);
 570
 571     if(This->nsevent) {
 572         nsIDOMMouseEvent *mouse_event;
 573         nsresult nsres;
 574
 575         nsres = nsIDOMEvent_QueryInterface(This->nsevent, &IID_nsIDOMMouseEvent, (void**)&mouse_event);
 576         if(NS_SUCCEEDED(nsres)) {
 577             nsIDOMMouseEvent_GetButton(mouse_event, &button);
 578             nsIDOMMouseEvent_Release(mouse_event);
 579         }
 580     }
 581
 582     *p = button;
 583     return S_OK;
 584 }
 585
 586 static HRESULT WINAPI HTMLEventObj_get_type(IHTMLEventObj *iface, BSTR *p)
 587 {
 588     HTMLEventObj *This = impl_from_IHTMLEventObj(iface);
 589
 590     TRACE("(%p)->(%p)\n", This, p);
 591
 592     if(!This->type) {
 593         *p = NULL;
 594         return S_OK;
 595     }
 596
 597     *p = SysAllocString(This->type->name);
 598     return *p ? S_OK : E_OUTOFMEMORY;
 599 }
 600
 601 static HRESULT WINAPI HTMLEventObj_get_qualifier(IHTMLEventObj *iface, BSTR *p)
 602 {
 603     HTMLEventObj *This = impl_from_IHTMLEventObj(iface);
 604
 605     FIXME("(%p)->(%p)\n", This, p);
 606
 607     *p = NULL;
 608     return S_OK;
 609 }
 610
 611 static HRESULT WINAPI HTMLEventObj_get_reason(IHTMLEventObj *iface, LONG *p)
 612 {
 613     HTMLEventObj *This = impl_from_IHTMLEventObj(iface);
 614
 615     FIXME("(%p)->(%p)\n", This, p);
 616
 617     *p = 0;
 618     return S_OK;
 619 }
 620
 621 static HRESULT WINAPI HTMLEventObj_get_x(IHTMLEventObj *iface, LONG *p)
 622 {
 623     HTMLEventObj *This = impl_from_IHTMLEventObj(iface);
 624
 625     FIXME("(%p)->(%p)\n", This, p);
 626
 627     *p = -1;
 628     return S_OK;
 629 }
 630
 631 static HRESULT WINAPI HTMLEventObj_get_y(IHTMLEventObj *iface, LONG *p)
 632 {
 633     HTMLEventObj *This = impl_from_IHTMLEventObj(iface);
 634
 635     FIXME("(%p)->(%p)\n", This, p);
 636
 637     *p = -1;
 638     return S_OK;
 639 }
 640
 641 static HRESULT WINAPI HTMLEventObj_get_clientX(IHTMLEventObj *iface, LONG *p)
 642 {
 643     HTMLEventObj *This = impl_from_IHTMLEventObj(iface);
 644     PRInt32 x = 0;
 645
 646     TRACE("(%p)->(%p)\n", This, p);
 647
 648     if(This->nsevent) {
 649         nsIDOMMouseEvent *mouse_event;
 650         nsresult nsres;
 651
 652         nsres = nsIDOMEvent_QueryInterface(This->nsevent, &IID_nsIDOMMouseEvent, (void**)&mouse_event);
 653         if(NS_SUCCEEDED(nsres)) {
 654             nsIDOMMouseEvent_GetClientX(mouse_event, &x);
 655             nsIDOMMouseEvent_Release(mouse_event);
 656         }
 657     }
 658
 659     *p = x;
 660     return S_OK;
 661 }
 662
 663 static HRESULT WINAPI HTMLEventObj_get_clientY(IHTMLEventObj *iface, LONG *p)
 664 {
 665     HTMLEventObj *This = impl_from_IHTMLEventObj(iface);
 666     PRInt32 y = 0;
 667
 668     TRACE("(%p)->(%p)\n", This, p);
 669
 670     if(This->nsevent) {
 671         nsIDOMMouseEvent *mouse_event;
 672         nsresult nsres;
 673
 674         nsres = nsIDOMEvent_QueryInterface(This->nsevent, &IID_nsIDOMMouseEvent, (void**)&mouse_event);
 675         if(NS_SUCCEEDED(nsres)) {
 676             nsIDOMMouseEvent_GetClientY(mouse_event, &y);
 677             nsIDOMMouseEvent_Release(mouse_event);
 678         }
 679     }
 680
 681     *p = y;
 682     return S_OK;
 683 }
 684
 685 static HRESULT WINAPI HTMLEventObj_get_offsetX(IHTMLEventObj *iface, LONG *p)
 686 {
 687     HTMLEventObj *This = impl_from_IHTMLEventObj(iface);
 688
 689     FIXME("(%p)->(%p)\n", This, p);
 690
 691     *p = 0;
 692     return S_OK;
 693 }
 694
 695 static HRESULT WINAPI HTMLEventObj_get_offsetY(IHTMLEventObj *iface, LONG *p)
 696 {
 697     HTMLEventObj *This = impl_from_IHTMLEventObj(iface);
 698
 699     FIXME("(%p)->(%p)\n", This, p);
 700
 701     *p = 0;
 702     return S_OK;
 703 }
 704
 705 static HRESULT WINAPI HTMLEventObj_get_screenX(IHTMLEventObj *iface, LONG *p)
 706 {
 707     HTMLEventObj *This = impl_from_IHTMLEventObj(iface);
 708     PRInt32 x = 0;
 709
 710     TRACE("(%p)->(%p)\n", This, p);
 711
 712     if(This->nsevent) {
 713         nsIDOMMouseEvent *mouse_event;
 714         nsresult nsres;
 715
 716         nsres = nsIDOMEvent_QueryInterface(This->nsevent, &IID_nsIDOMMouseEvent, (void**)&mouse_event);
 717         if(NS_SUCCEEDED(nsres)) {
 718             nsIDOMMouseEvent_GetScreenX(mouse_event, &x);
 719             nsIDOMMouseEvent_Release(mouse_event);
 720         }
 721     }
 722
 723     *p = x;
 724     return S_OK;
 725 }
 726
 727 static HRESULT WINAPI HTMLEventObj_get_screenY(IHTMLEventObj *iface, LONG *p)
 728 {
 729     HTMLEventObj *This = impl_from_IHTMLEventObj(iface);
 730     PRInt32 y = 0;
 731
 732     TRACE("(%p)->(%p)\n", This, p);
 733
 734     if(This->nsevent) {
 735         nsIDOMMouseEvent *mouse_event;
 736         nsresult nsres;
 737
 738         nsres = nsIDOMEvent_QueryInterface(This->nsevent, &IID_nsIDOMMouseEvent, (void**)&mouse_event);
 739         if(NS_SUCCEEDED(nsres)) {
 740             nsIDOMMouseEvent_GetScreenY(mouse_event, &y);
 741             nsIDOMMouseEvent_Release(mouse_event);
 742         }
 743     }
 744
 745     *p = y;
 746     return S_OK;
 747 }
 748
 749 static HRESULT WINAPI HTMLEventObj_get_srcFilter(IHTMLEventObj *iface, IDispatch **p)
 750 {
 751     HTMLEventObj *This = impl_from_IHTMLEventObj(iface);
 752
 753     FIXME("(%p)->(%p)\n", This, p);
 754
 755     *p = NULL;
 756     return S_OK;
 757 }
 758
 759 static const IHTMLEventObjVtbl HTMLEventObjVtbl = {
 760     HTMLEventObj_QueryInterface,
 761     HTMLEventObj_AddRef,
 762     HTMLEventObj_Release,
 763     HTMLEventObj_GetTypeInfoCount,
 764     HTMLEventObj_GetTypeInfo,
 765     HTMLEventObj_GetIDsOfNames,
 766     HTMLEventObj_Invoke,
 767     HTMLEventObj_get_srcElement,
 768     HTMLEventObj_get_altKey,
 769     HTMLEventObj_get_ctrlKey,
 770     HTMLEventObj_get_shiftKey,
 771     HTMLEventObj_put_returnValue,
 772     HTMLEventObj_get_returnValue,
 773     HTMLEventObj_put_cancelBubble,
 774     HTMLEventObj_get_cancelBubble,
 775     HTMLEventObj_get_fromElement,
 776     HTMLEventObj_get_toElement,
 777     HTMLEventObj_put_keyCode,
 778     HTMLEventObj_get_keyCode,
 779     HTMLEventObj_get_button,
 780     HTMLEventObj_get_type,
 781     HTMLEventObj_get_qualifier,
 782     HTMLEventObj_get_reason,
 783     HTMLEventObj_get_x,
 784     HTMLEventObj_get_y,
 785     HTMLEventObj_get_clientX,
 786     HTMLEventObj_get_clientY,
 787     HTMLEventObj_get_offsetX,
 788     HTMLEventObj_get_offsetY,
 789     HTMLEventObj_get_screenX,
 790     HTMLEventObj_get_screenY,
 791     HTMLEventObj_get_srcFilter
 792 };
 793
 794 static inline HTMLEventObj *unsafe_impl_from_IHTMLEventObj(IHTMLEventObj *iface)
 795 {
 796     return iface->lpVtbl == &HTMLEventObjVtbl ? impl_from_IHTMLEventObj(iface) : NULL;
 797 }
 798
 799 static const tid_t HTMLEventObj_iface_tids[] = {
 800     IHTMLEventObj_tid,
 801     0
 802 };
 803
 804 static dispex_static_data_t HTMLEventObj_dispex = {
 805     NULL,
 806     DispCEventObj_tid,
 807     NULL,
 808     HTMLEventObj_iface_tids
 809 };
 810
 811 static HTMLEventObj *create_event(void)
 812 {
 813     HTMLEventObj *ret;
 814
 815     ret = heap_alloc_zero(sizeof(*ret));
 816     if(!ret)
 817         return NULL;
 818
 819     ret->IHTMLEventObj_iface.lpVtbl = &HTMLEventObjVtbl;
 820     ret->ref = 1;
 821
 822     init_dispex(&ret->dispex, (IUnknown*)&ret->IHTMLEventObj_iface, &HTMLEventObj_dispex);
 823
 824     return ret;
 825 }
 826
 827 static HRESULT set_event_info(HTMLEventObj *event, HTMLDOMNode *target, eventid_t eid, nsIDOMEvent *nsevent)
 828 {
 829     event->type = event_info+eid;
 830     event->nsevent = nsevent;
 831
 832     if(nsevent) {
 833         nsIDOMEvent_AddRef(nsevent);
 834     }else if(event_types[event_info[eid].type]) {
 835         nsAString type_str;
 836         nsresult nsres;
 837
 838         nsAString_InitDepend(&type_str, event_types[event_info[eid].type]);
 839         nsres = nsIDOMHTMLDocument_CreateEvent(target->doc->nsdoc, &type_str, &event->nsevent);
 840         nsAString_Finish(&type_str);
 841         if(NS_FAILED(nsres)) {
 842             ERR("Could not create event: %08x\n", nsres);
 843             return E_FAIL;
 844         }
 845     }
 846
 847     event->target = target;
 848     if(target)
 849         IHTMLDOMNode_AddRef(&target->IHTMLDOMNode_iface);
 850     return S_OK;
 851 }
 852
 853 HRESULT create_event_obj(IHTMLEventObj **ret)
 854 {
 855     HTMLEventObj *event;
 856
 857     event = create_event();
 858     if(!event)
 859         return E_OUTOFMEMORY;
 860
 861     *ret = &event->IHTMLEventObj_iface;
 862     return S_OK;
 863 }
 864
 865 static HRESULT call_disp_func(IDispatch *disp, DISPPARAMS *dp, VARIANT *retv)
 866 {
 867     IDispatchEx *dispex;
 868     EXCEPINFO ei;
 869     HRESULT hres;
 870
 871     memset(&ei, 0, sizeof(ei));
 872
 873     hres = IDispatch_QueryInterface(disp, &IID_IDispatchEx, (void**)&dispex);
 874     if(SUCCEEDED(hres)) {
 875         hres = IDispatchEx_InvokeEx(dispex, 0, GetUserDefaultLCID(), DISPATCH_METHOD, dp, retv, &ei, NULL);
 876         IDispatchEx_Release(dispex);
 877     }else {
 878         TRACE("Could not get IDispatchEx interface: %08x\n", hres);
 879         hres = IDispatch_Invoke(disp, 0, &IID_NULL, GetUserDefaultLCID(), DISPATCH_METHOD,
 880                 dp, retv, &ei, NULL);
 881     }
 882
 883     return hres;
 884 }
 885
 886 static HRESULT call_cp_func(IDispatch *disp, DISPID dispid, VARIANT *retv)
 887 {
 888     DISPPARAMS dp = {NULL,NULL,0,0};
 889     ULONG argerr;
 890     EXCEPINFO ei;
 891
 892     memset(&ei, 0, sizeof(ei));
 893     return IDispatch_Invoke(disp, dispid, &IID_NULL, 0, DISPATCH_METHOD, &dp, retv, &ei, &argerr);
 894 }
 895
 896 static BOOL is_cp_event(cp_static_data_t *data, DISPID dispid)
 897 {
 898     int min, max, i;
 899     HRESULT hres;
 900
 901     if(!data)
 902         return FALSE;
 903
 904     if(!data->ids) {
 905         hres = get_dispids(data->tid, &data->id_cnt, &data->ids);
 906         if(FAILED(hres))
 907             return FALSE;
 908     }
 909
 910     min = 0;
 911     max = data->id_cnt-1;
 912     while(min <= max) {
 913         i = (min+max)/2;
 914         if(data->ids[i] == dispid)
 915             return TRUE;
 916
 917         if(data->ids[i] < dispid)
 918             min = i+1;
 919         else
 920             max = i-1;
 921     }
 922
 923     return FALSE;
 924 }
 925
 926 static void call_event_handlers(HTMLDocumentNode *doc, HTMLEventObj *event_obj, event_target_t *event_target,
 927         ConnectionPointContainer *cp_container, eventid_t eid, IDispatch *this_obj)
 928 {
 929     const BOOL cancelable = event_info[eid].flags & EVENT_CANCELABLE;
 930     handler_vector_t *handler_vector = NULL;
 931     VARIANT v;
 932     int i;
 933     HRESULT hres;
 934
 935     if(event_target)
 936         handler_vector = event_target->event_table[eid];
 937
 938     if(handler_vector && handler_vector->handler_prop) {
 939         DISPID named_arg = DISPID_THIS;
 940         VARIANTARG arg;
 941         DISPPARAMS dp = {&arg, &named_arg, 1, 1};
 942
 943         V_VT(&arg) = VT_DISPATCH;
 944         V_DISPATCH(&arg) = this_obj;
 945         V_VT(&v) = VT_EMPTY;
 946
 947         TRACE("%s >>>\n", debugstr_w(event_info[eid].name));
 948         hres = call_disp_func(handler_vector->handler_prop, &dp, &v);
 949         if(hres == S_OK) {
 950             TRACE("%s <<< %s\n", debugstr_w(event_info[eid].name), debugstr_variant(&v));
 951
 952             if(cancelable) {
 953                 if(V_VT(&v) == VT_BOOL) {
 954                     if(!V_BOOL(&v))
 955                         event_obj->prevent_default = TRUE;
 956                 }else if(V_VT(&v) != VT_EMPTY) {
 957                     FIXME("unhandled result %s\n", debugstr_variant(&v));
 958                 }
 959             }
 960             VariantClear(&v);
 961         }else {
 962             WARN("%s <<< %08x\n", debugstr_w(event_info[eid].name), hres);
 963         }
 964     }
 965
 966     if(handler_vector && handler_vector->handler_cnt) {
 967         VARIANTARG arg;
 968         DISPPARAMS dp = {&arg, NULL, 1, 0};
 969
 970         V_VT(&arg) = VT_DISPATCH;
 971         V_DISPATCH(&arg) = (IDispatch*)event_obj;
 972
 973         i = handler_vector->handler_cnt;
 974         while(i--) {
 975             if(handler_vector->handlers[i]) {
 976                 V_VT(&v) = VT_EMPTY;
 977
 978                 TRACE("%s [%d] >>>\n", debugstr_w(event_info[eid].name), i);
 979                 hres = call_disp_func(handler_vector->handlers[i], &dp, &v);
 980                 if(hres == S_OK) {
 981                     TRACE("%s [%d] <<<\n", debugstr_w(event_info[eid].name), i);
 982
 983                     if(cancelable) {
 984                         if(V_VT(&v) == VT_BOOL) {
 985                             if(!V_BOOL(&v))
 986                                 event_obj->prevent_default = TRUE;
 987                         }else if(V_VT(&v) != VT_EMPTY) {
 988                             FIXME("unhandled result %s\n", debugstr_variant(&v));
 989                         }
 990                     }
 991                     VariantClear(&v);
 992                 }else {
 993                     WARN("%s [%d] <<< %08x\n", debugstr_w(event_info[eid].name), i, hres);
 994                 }
 995             }
 996         }
 997     }
 998
 999     if(cp_container) {
1000         ConnectionPoint *cp;
1001
1002         if(cp_container->forward_container)
1003             cp_container = cp_container->forward_container;
1004
1005         for(cp = cp_container->cp_list; cp; cp = cp->next) {
1006             if(cp->sinks_size && is_cp_event(cp->data, event_info[eid].dispid)) {
1007                 for(i=0; i < cp->sinks_size; i++) {
1008                     if(!cp->sinks[i].disp)
1009                         continue;
1010
1011                     V_VT(&v) = VT_EMPTY;
1012
1013                     TRACE("cp %s [%d] >>>\n", debugstr_w(event_info[eid].name), i);
1014                     hres = call_cp_func(cp->sinks[i].disp, event_info[eid].dispid, &v);
1015                     if(hres == S_OK) {
1016                         TRACE("cp %s [%d] <<<\n", debugstr_w(event_info[eid].name), i);
1017
1018                         if(cancelable) {
1019                             if(V_VT(&v) == VT_BOOL) {
1020                                 if(!V_BOOL(&v))
1021                                     event_obj->prevent_default = TRUE;
1022                             }else if(V_VT(&v) != VT_EMPTY) {
1023                                 FIXME("unhandled result %s\n", debugstr_variant(&v));
1024                             }
1025                         }
1026                         VariantClear(&v);
1027                     }else {
1028                         WARN("cp %s [%d] <<< %08x\n", debugstr_w(event_info[eid].name), i, hres);
1029                     }
1030                 }
1031             }
1032         }
1033     }
1034 }
1035
1036 static void fire_event_obj(HTMLDocumentNode *doc, eventid_t eid, HTMLEventObj *event_obj, nsIDOMNode *target)
1037 {
1038     IHTMLEventObj *prev_event;
1039     nsIDOMNode *parent, *nsnode;
1040     BOOL prevent_default = FALSE;
1041     HTMLInnerWindow *window;
1042     HTMLDOMNode *node;
1043     PRUint16 node_type;
1044     nsresult nsres;
1045     HRESULT hres;
1046
1047     TRACE("(%p) %s\n", doc, debugstr_w(event_info[eid].name));
1048
1049     window = doc->window;
1050     prev_event = window->event;
1051     window->event = event_obj ? &event_obj->IHTMLEventObj_iface : NULL;
1052
1053     nsIDOMNode_GetNodeType(target, &node_type);
1054     nsnode = target;
1055     nsIDOMNode_AddRef(nsnode);
1056
1057     switch(node_type) {
1058     case ELEMENT_NODE:
1059         do {
1060             hres = get_node(doc, nsnode, FALSE, &node);
1061             if(SUCCEEDED(hres) && node) {
1062                 call_event_handlers(doc, event_obj, *get_node_event_target(node),
1063                         node->cp_container, eid, (IDispatch*)&node->IHTMLDOMNode_iface);
1064                 node_release(node);
1065             }
1066
1067             if(!(event_info[eid].flags & EVENT_BUBBLE) || (event_obj && event_obj->cancel_bubble))
1068                 break;
1069
1070             nsIDOMNode_GetParentNode(nsnode, &parent);
1071             nsIDOMNode_Release(nsnode);
1072             nsnode = parent;
1073             if(!nsnode)
1074                 break;
1075
1076             nsIDOMNode_GetNodeType(nsnode, &node_type);
1077         }while(node_type == ELEMENT_NODE);
1078
1079         if(!(event_info[eid].flags & EVENT_BUBBLE) || (event_obj && event_obj->cancel_bubble))
1080             break;
1081
1082     case DOCUMENT_NODE:
1083         if(event_info[eid].flags & EVENT_FORWARDBODY) {
1084             nsIDOMHTMLElement *nsbody;
1085             nsresult nsres;
1086
1087             nsres = nsIDOMHTMLDocument_GetBody(doc->nsdoc, &nsbody);
1088             if(NS_SUCCEEDED(nsres) && nsbody) {
1089                 hres = get_node(doc, (nsIDOMNode*)nsbody, FALSE, &node);
1090                 if(SUCCEEDED(hres) && node) {
1091                     call_event_handlers(doc, event_obj, *get_node_event_target(node),
1092                             node->cp_container, eid, (IDispatch*)&node->IHTMLDOMNode_iface);
1093                     node_release(node);
1094                 }
1095                 nsIDOMHTMLElement_Release(nsbody);
1096             }else {
1097                 ERR("Could not get body: %08x\n", nsres);
1098             }
1099         }
1100
1101         call_event_handlers(doc, event_obj, doc->node.event_target, &doc->basedoc.cp_container, eid,
1102                 (IDispatch*)&doc->basedoc.IHTMLDocument2_iface);
1103         break;
1104
1105     default:
1106         FIXME("unimplemented node type %d\n", node_type);
1107     }
1108
1109     if(nsnode)
1110         nsIDOMNode_Release(nsnode);
1111
1112     if(event_obj && event_obj->prevent_default)
1113         prevent_default = TRUE;
1114     window->event = prev_event;
1115
1116     if(!prevent_default && (event_info[eid].flags & EVENT_HASDEFAULTHANDLERS)) {
1117         nsIDOMNode_AddRef(target);
1118         nsnode = target;
1119
1120         do {
1121             hres = get_node(doc, nsnode, TRUE, &node);
1122             if(FAILED(hres))
1123                 break;
1124
1125             if(node) {
1126                 if(node->vtbl->handle_event)
1127                     hres = node->vtbl->handle_event(node, eid, event_obj ? event_obj->nsevent : NULL, &prevent_default);
1128                 node_release(node);
1129                 if(FAILED(hres) || prevent_default || (event_obj && event_obj->cancel_bubble))
1130                     break;
1131             }
1132
1133             nsres = nsIDOMNode_GetParentNode(nsnode, &parent);
1134             if(NS_FAILED(nsres))
1135                 break;
1136
1137             nsIDOMNode_Release(nsnode);
1138             nsnode = parent;
1139         } while(nsnode);
1140
1141         if(nsnode)
1142             nsIDOMNode_Release(nsnode);
1143     }
1144
1145     if(prevent_default && event_obj && event_obj->nsevent) {
1146         TRACE("calling PreventDefault\n");
1147         nsIDOMEvent_PreventDefault(event_obj->nsevent);
1148     }
1149 }
1150
1151 void fire_event(HTMLDocumentNode *doc, eventid_t eid, BOOL set_event, nsIDOMNode *target, nsIDOMEvent *nsevent)
1152 {
1153     HTMLEventObj *event_obj = NULL;
1154     HTMLDOMNode *node;
1155     HRESULT hres;
1156
1157     if(set_event) {
1158         hres = get_node(doc, target, TRUE, &node);
1159         if(FAILED(hres))
1160             return;
1161
1162         event_obj = create_event();
1163         node_release(node);
1164         if(!event_obj)
1165             return;
1166
1167         hres = set_event_info(event_obj, node, eid, nsevent);
1168         if(FAILED(hres)) {
1169             IHTMLEventObj_Release(&event_obj->IHTMLEventObj_iface);
1170             return;
1171         }
1172     }
1173
1174     fire_event_obj(doc, eid, event_obj, target);
1175
1176     if(event_obj)
1177         IHTMLEventObj_Release(&event_obj->IHTMLEventObj_iface);
1178 }
1179
1180 HRESULT dispatch_event(HTMLDOMNode *node, const WCHAR *event_name, VARIANT *event_var, VARIANT_BOOL *cancelled)
1181 {
1182     HTMLEventObj *event_obj = NULL;
1183     eventid_t eid;
1184     HRESULT hres;
1185
1186     eid = attr_to_eid(event_name);
1187     if(eid == EVENTID_LAST) {
1188         WARN("unknown event %s\n", debugstr_w(event_name));
1189         return E_INVALIDARG;
1190     }
1191
1192     if(event_var && V_VT(event_var) != VT_EMPTY && V_VT(event_var) != VT_ERROR) {
1193         if(V_VT(event_var) != VT_DISPATCH) {
1194             FIXME("event_var %s not supported\n", debugstr_variant(event_var));
1195             return E_NOTIMPL;
1196         }
1197
1198         if(V_DISPATCH(event_var)) {
1199             IHTMLEventObj *event_iface;
1200
1201             hres = IDispatch_QueryInterface(V_DISPATCH(event_var), &IID_IHTMLEventObj, (void**)&event_iface);
1202             if(FAILED(hres)) {
1203                 FIXME("No IHTMLEventObj iface\n");
1204                 return hres;
1205             }
1206
1207             event_obj = unsafe_impl_from_IHTMLEventObj(event_iface);
1208             if(!event_obj) {
1209                 ERR("Not our IHTMLEventObj?\n");
1210                 IHTMLEventObj_Release(event_iface);
1211                 return E_FAIL;
1212             }
1213         }
1214     }
1215
1216     if(event_obj) {
1217         hres = set_event_info(event_obj, node, eid, NULL);
1218         if(SUCCEEDED(hres))
1219             fire_event_obj(node->doc, eid, event_obj, node->nsnode);
1220
1221         IHTMLEventObj_Release(&event_obj->IHTMLEventObj_iface);
1222         if(FAILED(hres))
1223             return hres;
1224     }else {
1225         if(!(event_info[eid].flags & EVENT_DEFAULTLISTENER)) {
1226             FIXME("not EVENT_DEFAULTEVENTHANDLER\n");
1227             return E_NOTIMPL;
1228         }
1229
1230         fire_event(node->doc, eid, TRUE, node->nsnode, NULL);
1231     }
1232
1233     *cancelled = VARIANT_TRUE; /* FIXME */
1234     return S_OK;
1235 }
1236
1237 HRESULT call_fire_event(HTMLDOMNode *node, eventid_t eid)
1238 {
1239     HRESULT hres;
1240
1241     if(node->vtbl->fire_event) {
1242         BOOL handled = FALSE;
1243
1244         hres = node->vtbl->fire_event(node, eid, &handled);
1245         if(handled)
1246             return hres;
1247     }
1248
1249     fire_event(node->doc, eid, TRUE, node->nsnode, NULL);
1250     return S_OK;
1251 }
1252
1253 static inline event_target_t *get_event_target(event_target_t **event_target_ptr)
1254 {
1255     if(!*event_target_ptr)
1256         *event_target_ptr = heap_alloc_zero(sizeof(event_target_t));
1257     return *event_target_ptr;
1258 }
1259
1260 static BOOL alloc_handler_vector(event_target_t *event_target, eventid_t eid, int cnt)
1261 {
1262     handler_vector_t *new_vector, *handler_vector = event_target->event_table[eid];
1263
1264     if(handler_vector) {
1265         if(cnt <= handler_vector->handler_cnt)
1266             return TRUE;
1267
1268         new_vector = heap_realloc_zero(handler_vector, sizeof(handler_vector_t) + sizeof(IDispatch*)*cnt);
1269     }else {
1270         new_vector = heap_alloc_zero(sizeof(handler_vector_t) + sizeof(IDispatch*)*cnt);
1271     }
1272
1273     if(!new_vector)
1274         return FALSE;
1275
1276     new_vector->handler_cnt = cnt;
1277     event_target->event_table[eid] = new_vector;
1278     return TRUE;
1279 }
1280
1281 static HRESULT ensure_nsevent_handler(HTMLDocumentNode *doc, event_target_t *event_target, nsIDOMNode *nsnode, eventid_t eid)
1282 {
1283     if(!doc->nsdoc)
1284         return S_OK;
1285
1286     if(event_info[eid].flags & EVENT_NODEHANDLER) {
1287         DWORD mask;
1288
1289         mask = get_node_handler_mask(eid);
1290         if(event_target->node_handlers_mask & mask)
1291             return S_OK;
1292
1293         add_nsevent_listener(doc, nsnode, event_info[eid].name);
1294         event_target->node_handlers_mask |= mask;
1295         return S_OK;
1296     }
1297
1298     if(!(event_info[eid].flags & EVENT_DEFAULTLISTENER))
1299         return S_OK;
1300
1301     if(!doc->event_vector[eid]) {
1302         doc->event_vector[eid] = TRUE;
1303         add_nsevent_listener(doc, NULL, event_info[eid].name);
1304     }
1305
1306     return S_OK;
1307 }
1308
1309 void detach_events(HTMLDocumentNode *doc)
1310 {
1311     if(doc->event_vector) {
1312         int i;
1313
1314         for(i=0; i < EVENTID_LAST; i++) {
1315             if(doc->event_vector[i]) {
1316                 detach_nsevent(doc, event_info[i].name);
1317                 doc->event_vector[i] = FALSE;
1318             }
1319         }
1320     }
1321
1322     release_nsevents(doc);
1323 }
1324
1325
1326 static HRESULT remove_event_handler(event_target_t **event_target, eventid_t eid)
1327 {
1328     if(*event_target && (*event_target)->event_table[eid] && (*event_target)->event_table[eid]->handler_prop) {
1329         IDispatch_Release((*event_target)->event_table[eid]->handler_prop);
1330         (*event_target)->event_table[eid]->handler_prop = NULL;
1331     }
1332
1333     return S_OK;
1334 }
1335
1336 static HRESULT set_event_handler_disp(event_target_t **event_target_ptr, nsIDOMNode *nsnode, HTMLDocumentNode *doc,
1337         eventid_t eid, IDispatch *disp)
1338 {
1339     event_target_t *event_target;
1340
1341     if(!disp)
1342         return remove_event_handler(event_target_ptr, eid);
1343
1344     event_target = get_event_target(event_target_ptr);
1345     if(!event_target)
1346         return E_OUTOFMEMORY;
1347
1348     if(!alloc_handler_vector(event_target, eid, 0))
1349         return E_OUTOFMEMORY;
1350
1351     if(event_target->event_table[eid]->handler_prop)
1352         IDispatch_Release(event_target->event_table[eid]->handler_prop);
1353
1354     event_target->event_table[eid]->handler_prop = disp;
1355     IDispatch_AddRef(disp);
1356
1357     return ensure_nsevent_handler(doc, event_target, nsnode, eid);
1358 }
1359
1360 HRESULT set_event_handler(event_target_t **event_target, nsIDOMNode *nsnode, HTMLDocumentNode *doc, eventid_t eid, VARIANT *var)
1361 {
1362     switch(V_VT(var)) {
1363     case VT_NULL:
1364         return remove_event_handler(event_target, eid);
1365
1366     case VT_DISPATCH:
1367         return set_event_handler_disp(event_target, nsnode, doc, eid, V_DISPATCH(var));
1368
1369     default:
1370         FIXME("not handler %s\n", debugstr_variant(var));
1371         /* fall through */
1372     case VT_EMPTY:
1373         return E_NOTIMPL;
1374     }
1375
1376     return S_OK;
1377 }
1378
1379 HRESULT get_event_handler(event_target_t **event_target, eventid_t eid, VARIANT *var)
1380 {
1381     if(*event_target && (*event_target)->event_table[eid] && (*event_target)->event_table[eid]->handler_prop) {
1382         V_VT(var) = VT_DISPATCH;
1383         V_DISPATCH(var) = (*event_target)->event_table[eid]->handler_prop;
1384         IDispatch_AddRef(V_DISPATCH(var));
1385     }else {
1386         V_VT(var) = VT_NULL;
1387     }
1388
1389     return S_OK;
1390 }
1391
1392 HRESULT attach_event(event_target_t **event_target_ptr, nsIDOMNode *nsnode, HTMLDocument *doc, BSTR name,
1393         IDispatch *disp, VARIANT_BOOL *res)
1394 {
1395     event_target_t *event_target;
1396     eventid_t eid;
1397     DWORD i = 0;
1398
1399     eid = attr_to_eid(name);
1400     if(eid == EVENTID_LAST) {
1401         WARN("Unknown event\n");
1402         *res = VARIANT_TRUE;
1403         return S_OK;
1404     }
1405
1406     event_target = get_event_target(event_target_ptr);
1407     if(!event_target)
1408         return E_OUTOFMEMORY;
1409
1410     if(event_target->event_table[eid]) {
1411         while(i < event_target->event_table[eid]->handler_cnt && event_target->event_table[eid]->handlers[i])
1412             i++;
1413         if(i == event_target->event_table[eid]->handler_cnt && !alloc_handler_vector(event_target, eid, i+1))
1414             return E_OUTOFMEMORY;
1415     }else if(!alloc_handler_vector(event_target, eid, i+1)) {
1416         return E_OUTOFMEMORY;
1417     }
1418
1419     IDispatch_AddRef(disp);
1420     event_target->event_table[eid]->handlers[i] = disp;
1421
1422     *res = VARIANT_TRUE;
1423     return ensure_nsevent_handler(doc->doc_node, event_target, nsnode, eid);
1424 }
1425
1426 HRESULT detach_event(event_target_t *event_target, HTMLDocument *doc, BSTR name, IDispatch *disp)
1427 {
1428     eventid_t eid;
1429     DWORD i = 0;
1430
1431     if(!event_target)
1432         return S_OK;
1433
1434     eid = attr_to_eid(name);
1435     if(eid == EVENTID_LAST) {
1436         WARN("Unknown event\n");
1437         return S_OK;
1438     }
1439
1440     if(!event_target->event_table[eid])
1441         return S_OK;
1442
1443     while(i < event_target->event_table[eid]->handler_cnt) {
1444         if(event_target->event_table[eid]->handlers[i] == disp) {
1445             IDispatch_Release(event_target->event_table[eid]->handlers[i]);
1446             event_target->event_table[eid]->handlers[i] = NULL;
1447         }
1448         i++;
1449     }
1450
1451     return S_OK;
1452 }
1453
1454 void bind_elem_event(HTMLDocumentNode *doc, HTMLElement *elem, const WCHAR *event, IDispatch *disp)
1455 {
1456     eventid_t eid;
1457
1458     TRACE("(%p %p %s %p)\n", doc, elem, debugstr_w(event), disp);
1459
1460     eid = attr_to_eid(event);
1461     if(eid == EVENTID_LAST) {
1462         WARN("Unsupported event %s\n", debugstr_w(event));
1463         return;
1464     }
1465
1466     set_event_handler_disp(&elem->node.event_target, elem->node.nsnode, doc, eid, disp);
1467 }
1468
1469 void update_cp_events(HTMLInnerWindow *window, event_target_t **event_target_ptr, cp_static_data_t *cp, nsIDOMNode *nsnode)
1470 {
1471     event_target_t *event_target;
1472     int i;
1473
1474     event_target = get_event_target(event_target_ptr);
1475     if(!event_target)
1476         return; /* FIXME */
1477
1478     for(i=0; i < EVENTID_LAST; i++) {
1479         if((event_info[i].flags & EVENT_DEFAULTLISTENER) && is_cp_event(cp, event_info[i].dispid))
1480             ensure_nsevent_handler(window->doc, event_target, nsnode, i);
1481     }
1482 }
1483
1484 void check_event_attr(HTMLDocumentNode *doc, nsIDOMElement *nselem)
1485 {
1486     const PRUnichar *attr_value;
1487     nsAString attr_name_str, attr_value_str;
1488     IDispatch *disp;
1489     HTMLDOMNode *node;
1490     int i;
1491     nsresult nsres;
1492     HRESULT hres;
1493
1494     nsAString_Init(&attr_value_str, NULL);
1495     nsAString_Init(&attr_name_str, NULL);
1496
1497     for(i=0; i < EVENTID_LAST; i++) {
1498         nsAString_SetData(&attr_name_str, event_info[i].attr_name);
1499         nsres = nsIDOMElement_GetAttribute(nselem, &attr_name_str, &attr_value_str);
1500         if(NS_SUCCEEDED(nsres)) {
1501             nsAString_GetData(&attr_value_str, &attr_value);
1502             if(!*attr_value)
1503                 continue;
1504
1505             TRACE("%p.%s = %s\n", nselem, debugstr_w(event_info[i].attr_name), debugstr_w(attr_value));
1506
1507             disp = script_parse_event(doc->window, attr_value);
1508             if(disp) {
1509                 hres = get_node(doc, (nsIDOMNode*)nselem, TRUE, &node);
1510                 if(SUCCEEDED(hres)) {
1511                     set_event_handler_disp(get_node_event_target(node), node->nsnode, node->doc, i, disp);
1512                     node_release(node);
1513                 }
1514                 IDispatch_Release(disp);
1515             }
1516         }
1517     }
1518
1519     nsAString_Finish(&attr_value_str);
1520     nsAString_Finish(&attr_name_str);
1521 }
1522
1523 HRESULT doc_init_events(HTMLDocumentNode *doc)
1524 {
1525     unsigned i;
1526     HRESULT hres;
1527
1528     doc->event_vector = heap_alloc_zero(EVENTID_LAST*sizeof(BOOL));
1529     if(!doc->event_vector)
1530         return E_OUTOFMEMORY;
1531
1532     init_nsevents(doc);
1533
1534     for(i=0; i < EVENTID_LAST; i++) {
1535         if(event_info[i].flags & EVENT_HASDEFAULTHANDLERS) {
1536             hres = ensure_nsevent_handler(doc, NULL, NULL, i);
1537             if(FAILED(hres))
1538                 return hres;
1539         }
1540     }
1541
1542     return S_OK;
1543 }
1544
1545 void release_event_target(event_target_t *event_target)
1546 {
1547     int i, j;
1548
1549     for(i=0; i < EVENTID_LAST; i++) {
1550         if(event_target->event_table[i]) {
1551             if(event_target->event_table[i]->handler_prop)
1552                 IDispatch_Release(event_target->event_table[i]->handler_prop);
1553             for(j=0; j < event_target->event_table[i]->handler_cnt; j++)
1554                 if(event_target->event_table[i]->handlers[j])
1555                     IDispatch_Release(event_target->event_table[i]->handlers[j]);
1556         }
1557     }
1558
1559     heap_free(event_target);
1560 }