dlls/mshtml/htmlnode.c

   1 /*
   2  * Copyright 2006 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 #include <assert.h>
  21
  22 #define COBJMACROS
  23
  24 #include "windef.h"
  25 #include "winbase.h"
  26 #include "winuser.h"
  27 #include "ole2.h"
  28
  29 #include "wine/debug.h"
  30
  31 #include "mshtml_private.h"
  32 #include "htmlevent.h"
  33
  34 WINE_DEFAULT_DEBUG_CHANNEL(mshtml);
  35
  36 static HTMLDOMNode *get_node_obj(IHTMLDOMNode*);
  37 static HRESULT create_node(HTMLDocumentNode*,nsIDOMNode*,HTMLDOMNode**);
  38
  39 static ExternalCycleCollectionParticipant node_ccp;
  40
  41 typedef struct {
  42     DispatchEx dispex;
  43     IHTMLDOMChildrenCollection IHTMLDOMChildrenCollection_iface;
  44
  45     LONG ref;
  46
  47     /* FIXME: implement weak reference */
  48     HTMLDocumentNode *doc;
  49
  50     nsIDOMNodeList *nslist;
  51 } HTMLDOMChildrenCollection;
  52
  53 typedef struct {
  54     IEnumVARIANT IEnumVARIANT_iface;
  55
  56     LONG ref;
  57
  58     ULONG iter;
  59     HTMLDOMChildrenCollection *col;
  60 } HTMLDOMChildrenCollectionEnum;
  61
  62 static inline HTMLDOMChildrenCollectionEnum *impl_from_IEnumVARIANT(IEnumVARIANT *iface)
  63 {
  64     return CONTAINING_RECORD(iface, HTMLDOMChildrenCollectionEnum, IEnumVARIANT_iface);
  65 }
  66
  67 static HRESULT WINAPI HTMLDOMChildrenCollectionEnum_QueryInterface(IEnumVARIANT *iface, REFIID riid, void **ppv)
  68 {
  69     HTMLDOMChildrenCollectionEnum *This = impl_from_IEnumVARIANT(iface);
  70
  71     TRACE("(%p)->(%s %p)\n", This, debugstr_mshtml_guid(riid), ppv);
  72
  73     if(IsEqualGUID(riid, &IID_IUnknown)) {
  74         *ppv = &This->IEnumVARIANT_iface;
  75     }else if(IsEqualGUID(riid, &IID_IEnumVARIANT)) {
  76         *ppv = &This->IEnumVARIANT_iface;
  77     }else {
  78         FIXME("(%p)->(%s %p)\n", This, debugstr_mshtml_guid(riid), ppv);
  79         *ppv = NULL;
  80         return E_NOINTERFACE;
  81     }
  82
  83     IUnknown_AddRef((IUnknown*)*ppv);
  84     return S_OK;
  85 }
  86
  87 static ULONG WINAPI HTMLDOMChildrenCollectionEnum_AddRef(IEnumVARIANT *iface)
  88 {
  89     HTMLDOMChildrenCollectionEnum *This = impl_from_IEnumVARIANT(iface);
  90     LONG ref = InterlockedIncrement(&This->ref);
  91
  92     TRACE("(%p) ref=%d\n", This, ref);
  93
  94     return ref;
  95 }
  96
  97 static ULONG WINAPI HTMLDOMChildrenCollectionEnum_Release(IEnumVARIANT *iface)
  98 {
  99     HTMLDOMChildrenCollectionEnum *This = impl_from_IEnumVARIANT(iface);
 100     LONG ref = InterlockedDecrement(&This->ref);
 101
 102     TRACE("(%p) ref=%d\n", This, ref);
 103
 104     if(!ref) {
 105         IHTMLDOMChildrenCollection_Release(&This->col->IHTMLDOMChildrenCollection_iface);
 106         heap_free(This);
 107     }
 108
 109     return ref;
 110 }
 111
 112 static ULONG get_enum_len(HTMLDOMChildrenCollectionEnum *This)
 113 {
 114     ULONG len;
 115     nsresult nsres;
 116
 117     nsres = nsIDOMNodeList_GetLength(This->col->nslist, &len);
 118     assert(nsres == NS_OK);
 119     return len;
 120 }
 121
 122 static HRESULT WINAPI HTMLDOMChildrenCollectionEnum_Next(IEnumVARIANT *iface, ULONG celt, VARIANT *rgVar, ULONG *pCeltFetched)
 123 {
 124     HTMLDOMChildrenCollectionEnum *This = impl_from_IEnumVARIANT(iface);
 125     ULONG fetched = 0, len;
 126     nsIDOMNode *nsnode;
 127     HTMLDOMNode *node;
 128     nsresult nsres;
 129     HRESULT hres;
 130
 131     TRACE("(%p)->(%d %p %p)\n", This, celt, rgVar, pCeltFetched);
 132
 133     len = get_enum_len(This);
 134
 135     while(This->iter+fetched < len && fetched < celt) {
 136         nsres = nsIDOMNodeList_Item(This->col->nslist, This->iter+fetched, &nsnode);
 137         assert(nsres == NS_OK);
 138
 139         hres = get_node(This->col->doc, nsnode, TRUE, &node);
 140         nsIDOMNode_Release(nsnode);
 141         if(FAILED(hres)) {
 142             ERR("get_node failed: %08x\n", hres);
 143             break;
 144         }
 145
 146         V_VT(rgVar+fetched) = VT_DISPATCH;
 147         IHTMLDOMNode_AddRef(&node->IHTMLDOMNode_iface);
 148         V_DISPATCH(rgVar+fetched) = (IDispatch*)&node->IHTMLDOMNode_iface;
 149         fetched++;
 150     }
 151
 152     This->iter += fetched;
 153     if(pCeltFetched)
 154         *pCeltFetched = fetched;
 155     return fetched == celt ? S_OK : S_FALSE;
 156 }
 157
 158 static HRESULT WINAPI HTMLDOMChildrenCollectionEnum_Skip(IEnumVARIANT *iface, ULONG celt)
 159 {
 160     HTMLDOMChildrenCollectionEnum *This = impl_from_IEnumVARIANT(iface);
 161     ULONG len;
 162
 163     TRACE("(%p)->(%d)\n", This, celt);
 164
 165     len = get_enum_len(This);
 166     if(This->iter + celt > len) {
 167         This->iter = len;
 168         return S_FALSE;
 169     }
 170
 171     This->iter += celt;
 172     return S_OK;
 173 }
 174
 175 static HRESULT WINAPI HTMLDOMChildrenCollectionEnum_Reset(IEnumVARIANT *iface)
 176 {
 177     HTMLDOMChildrenCollectionEnum *This = impl_from_IEnumVARIANT(iface);
 178
 179     TRACE("(%p)->()\n", This);
 180
 181     This->iter = 0;
 182     return S_OK;
 183 }
 184
 185 static HRESULT WINAPI HTMLDOMChildrenCollectionEnum_Clone(IEnumVARIANT *iface, IEnumVARIANT **ppEnum)
 186 {
 187     HTMLDOMChildrenCollectionEnum *This = impl_from_IEnumVARIANT(iface);
 188     FIXME("(%p)->(%p)\n", This, ppEnum);
 189     return E_NOTIMPL;
 190 }
 191
 192 static const IEnumVARIANTVtbl HTMLDOMChildrenCollectionEnumVtbl = {
 193     HTMLDOMChildrenCollectionEnum_QueryInterface,
 194     HTMLDOMChildrenCollectionEnum_AddRef,
 195     HTMLDOMChildrenCollectionEnum_Release,
 196     HTMLDOMChildrenCollectionEnum_Next,
 197     HTMLDOMChildrenCollectionEnum_Skip,
 198     HTMLDOMChildrenCollectionEnum_Reset,
 199     HTMLDOMChildrenCollectionEnum_Clone
 200 };
 201
 202 static inline HTMLDOMChildrenCollection *impl_from_IHTMLDOMChildrenCollection(IHTMLDOMChildrenCollection *iface)
 203 {
 204     return CONTAINING_RECORD(iface, HTMLDOMChildrenCollection, IHTMLDOMChildrenCollection_iface);
 205 }
 206
 207 static HRESULT WINAPI HTMLDOMChildrenCollection_QueryInterface(IHTMLDOMChildrenCollection *iface, REFIID riid, void **ppv)
 208 {
 209     HTMLDOMChildrenCollection *This = impl_from_IHTMLDOMChildrenCollection(iface);
 210
 211     TRACE("(%p)->(%s %p)\n", This, debugstr_mshtml_guid(riid), ppv);
 212
 213     if(IsEqualGUID(&IID_IUnknown, riid)) {
 214         *ppv = &This->IHTMLDOMChildrenCollection_iface;
 215     }else if(IsEqualGUID(&IID_IHTMLDOMChildrenCollection, riid)) {
 216         *ppv = &This->IHTMLDOMChildrenCollection_iface;
 217     }else if(dispex_query_interface(&This->dispex, riid, ppv)) {
 218         return *ppv ? S_OK : E_NOINTERFACE;
 219     }else {
 220         *ppv = NULL;
 221         WARN("(%p)->(%s %p)\n", This, debugstr_mshtml_guid(riid), ppv);
 222         return E_NOINTERFACE;
 223     }
 224
 225     IUnknown_AddRef((IUnknown*)*ppv);
 226     return S_OK;
 227 }
 228
 229 static ULONG WINAPI HTMLDOMChildrenCollection_AddRef(IHTMLDOMChildrenCollection *iface)
 230 {
 231     HTMLDOMChildrenCollection *This = impl_from_IHTMLDOMChildrenCollection(iface);
 232     LONG ref = InterlockedIncrement(&This->ref);
 233
 234     TRACE("(%p) ref=%d\n", This, ref);
 235
 236     return ref;
 237 }
 238
 239 static ULONG WINAPI HTMLDOMChildrenCollection_Release(IHTMLDOMChildrenCollection *iface)
 240 {
 241     HTMLDOMChildrenCollection *This = impl_from_IHTMLDOMChildrenCollection(iface);
 242     LONG ref = InterlockedDecrement(&This->ref);
 243
 244     TRACE("(%p) ref=%d\n", This, ref);
 245
 246     if(!ref) {
 247         htmldoc_release(&This->doc->basedoc);
 248         nsIDOMNodeList_Release(This->nslist);
 249         heap_free(This);
 250     }
 251
 252     return ref;
 253 }
 254
 255 static HRESULT WINAPI HTMLDOMChildrenCollection_GetTypeInfoCount(IHTMLDOMChildrenCollection *iface, UINT *pctinfo)
 256 {
 257     HTMLDOMChildrenCollection *This = impl_from_IHTMLDOMChildrenCollection(iface);
 258     return IDispatchEx_GetTypeInfoCount(&This->dispex.IDispatchEx_iface, pctinfo);
 259 }
 260
 261 static HRESULT WINAPI HTMLDOMChildrenCollection_GetTypeInfo(IHTMLDOMChildrenCollection *iface, UINT iTInfo,
 262         LCID lcid, ITypeInfo **ppTInfo)
 263 {
 264     HTMLDOMChildrenCollection *This = impl_from_IHTMLDOMChildrenCollection(iface);
 265     return IDispatchEx_GetTypeInfo(&This->dispex.IDispatchEx_iface, iTInfo, lcid, ppTInfo);
 266 }
 267
 268 static HRESULT WINAPI HTMLDOMChildrenCollection_GetIDsOfNames(IHTMLDOMChildrenCollection *iface, REFIID riid,
 269         LPOLESTR *rgszNames, UINT cNames, LCID lcid, DISPID *rgDispId)
 270 {
 271     HTMLDOMChildrenCollection *This = impl_from_IHTMLDOMChildrenCollection(iface);
 272     return IDispatchEx_GetIDsOfNames(&This->dispex.IDispatchEx_iface, riid, rgszNames, cNames,
 273             lcid, rgDispId);
 274 }
 275
 276 static HRESULT WINAPI HTMLDOMChildrenCollection_Invoke(IHTMLDOMChildrenCollection *iface, DISPID dispIdMember,
 277         REFIID riid, LCID lcid, WORD wFlags, DISPPARAMS *pDispParams,
 278         VARIANT *pVarResult, EXCEPINFO *pExcepInfo, UINT *puArgErr)
 279 {
 280     HTMLDOMChildrenCollection *This = impl_from_IHTMLDOMChildrenCollection(iface);
 281     return IDispatchEx_Invoke(&This->dispex.IDispatchEx_iface, dispIdMember, riid, lcid,
 282             wFlags, pDispParams, pVarResult, pExcepInfo, puArgErr);
 283 }
 284
 285 static HRESULT WINAPI HTMLDOMChildrenCollection_get_length(IHTMLDOMChildrenCollection *iface, LONG *p)
 286 {
 287     HTMLDOMChildrenCollection *This = impl_from_IHTMLDOMChildrenCollection(iface);
 288     UINT32 length=0;
 289
 290     TRACE("(%p)->(%p)\n", This, p);
 291
 292     nsIDOMNodeList_GetLength(This->nslist, &length);
 293     *p = length;
 294     return S_OK;
 295 }
 296
 297 static HRESULT WINAPI HTMLDOMChildrenCollection_get__newEnum(IHTMLDOMChildrenCollection *iface, IUnknown **p)
 298 {
 299     HTMLDOMChildrenCollection *This = impl_from_IHTMLDOMChildrenCollection(iface);
 300     HTMLDOMChildrenCollectionEnum *ret;
 301
 302     TRACE("(%p)->(%p)\n", This, p);
 303
 304     ret = heap_alloc(sizeof(*ret));
 305     if(!ret)
 306         return E_OUTOFMEMORY;
 307
 308     ret->IEnumVARIANT_iface.lpVtbl = &HTMLDOMChildrenCollectionEnumVtbl;
 309     ret->ref = 1;
 310     ret->iter = 0;
 311
 312     IHTMLDOMChildrenCollection_AddRef(&This->IHTMLDOMChildrenCollection_iface);
 313     ret->col = This;
 314
 315     *p = (IUnknown*)&ret->IEnumVARIANT_iface;
 316     return S_OK;
 317 }
 318
 319 static HRESULT WINAPI HTMLDOMChildrenCollection_item(IHTMLDOMChildrenCollection *iface, LONG index, IDispatch **ppItem)
 320 {
 321     HTMLDOMChildrenCollection *This = impl_from_IHTMLDOMChildrenCollection(iface);
 322     nsIDOMNode *nsnode = NULL;
 323     HTMLDOMNode *node;
 324     UINT32 length=0;
 325     nsresult nsres;
 326     HRESULT hres;
 327
 328     TRACE("(%p)->(%d %p)\n", This, index, ppItem);
 329
 330     if (ppItem)
 331         *ppItem = NULL;
 332     else
 333         return E_POINTER;
 334
 335     nsIDOMNodeList_GetLength(This->nslist, &length);
 336     if(index < 0 || index >= length)
 337         return E_INVALIDARG;
 338
 339     nsres = nsIDOMNodeList_Item(This->nslist, index, &nsnode);
 340     if(NS_FAILED(nsres) || !nsnode) {
 341         ERR("Item failed: %08x\n", nsres);
 342         return E_FAIL;
 343     }
 344
 345     hres = get_node(This->doc, nsnode, TRUE, &node);
 346     if(FAILED(hres))
 347         return hres;
 348
 349     *ppItem = (IDispatch*)&node->IHTMLDOMNode_iface;
 350     return S_OK;
 351 }
 352
 353 static const IHTMLDOMChildrenCollectionVtbl HTMLDOMChildrenCollectionVtbl = {
 354     HTMLDOMChildrenCollection_QueryInterface,
 355     HTMLDOMChildrenCollection_AddRef,
 356     HTMLDOMChildrenCollection_Release,
 357     HTMLDOMChildrenCollection_GetTypeInfoCount,
 358     HTMLDOMChildrenCollection_GetTypeInfo,
 359     HTMLDOMChildrenCollection_GetIDsOfNames,
 360     HTMLDOMChildrenCollection_Invoke,
 361     HTMLDOMChildrenCollection_get_length,
 362     HTMLDOMChildrenCollection_get__newEnum,
 363     HTMLDOMChildrenCollection_item
 364 };
 365
 366 static inline HTMLDOMChildrenCollection *impl_from_DispatchEx(DispatchEx *iface)
 367 {
 368     return CONTAINING_RECORD(iface, HTMLDOMChildrenCollection, dispex);
 369 }
 370
 371 #define DISPID_CHILDCOL_0 MSHTML_DISPID_CUSTOM_MIN
 372
 373 static HRESULT HTMLDOMChildrenCollection_get_dispid(DispatchEx *dispex, BSTR name, DWORD flags, DISPID *dispid)
 374 {
 375     HTMLDOMChildrenCollection *This = impl_from_DispatchEx(dispex);
 376     WCHAR *ptr;
 377     DWORD idx=0;
 378     UINT32 len = 0;
 379
 380     for(ptr = name; *ptr && isdigitW(*ptr); ptr++)
 381         idx = idx*10 + (*ptr-'0');
 382     if(*ptr)
 383         return DISP_E_UNKNOWNNAME;
 384
 385     nsIDOMNodeList_GetLength(This->nslist, &len);
 386     if(idx >= len)
 387         return DISP_E_UNKNOWNNAME;
 388
 389     *dispid = DISPID_CHILDCOL_0 + idx;
 390     TRACE("ret %x\n", *dispid);
 391     return S_OK;
 392 }
 393
 394 static HRESULT HTMLDOMChildrenCollection_invoke(DispatchEx *dispex, DISPID id, LCID lcid, WORD flags, DISPPARAMS *params,
 395         VARIANT *res, EXCEPINFO *ei, IServiceProvider *caller)
 396 {
 397     HTMLDOMChildrenCollection *This = impl_from_DispatchEx(dispex);
 398
 399     TRACE("(%p)->(%x %x %x %p %p %p %p)\n", This, id, lcid, flags, params, res, ei, caller);
 400
 401     switch(flags) {
 402     case DISPATCH_PROPERTYGET: {
 403         IDispatch *disp = NULL;
 404         HRESULT hres;
 405
 406         hres = IHTMLDOMChildrenCollection_item(&This->IHTMLDOMChildrenCollection_iface,
 407                 id - DISPID_CHILDCOL_0, &disp);
 408         if(FAILED(hres))
 409             return hres;
 410
 411         V_VT(res) = VT_DISPATCH;
 412         V_DISPATCH(res) = disp;
 413         break;
 414     }
 415
 416     default:
 417         FIXME("unimplemented flags %x\n", flags);
 418         return E_NOTIMPL;
 419     }
 420
 421     return S_OK;
 422 }
 423
 424 static const dispex_static_data_vtbl_t HTMLDOMChildrenCollection_dispex_vtbl = {
 425     NULL,
 426     HTMLDOMChildrenCollection_get_dispid,
 427     HTMLDOMChildrenCollection_invoke,
 428     NULL
 429 };
 430
 431 static const tid_t HTMLDOMChildrenCollection_iface_tids[] = {
 432     IHTMLDOMChildrenCollection_tid,
 433     0
 434 };
 435
 436 static dispex_static_data_t HTMLDOMChildrenCollection_dispex = {
 437     &HTMLDOMChildrenCollection_dispex_vtbl,
 438     DispDOMChildrenCollection_tid,
 439     NULL,
 440     HTMLDOMChildrenCollection_iface_tids
 441 };
 442
 443 static IHTMLDOMChildrenCollection *create_child_collection(HTMLDocumentNode *doc, nsIDOMNodeList *nslist)
 444 {
 445     HTMLDOMChildrenCollection *ret;
 446
 447     ret = heap_alloc_zero(sizeof(*ret));
 448     if(!ret)
 449         return NULL;
 450
 451     ret->IHTMLDOMChildrenCollection_iface.lpVtbl = &HTMLDOMChildrenCollectionVtbl;
 452     ret->ref = 1;
 453
 454     nsIDOMNodeList_AddRef(nslist);
 455     ret->nslist = nslist;
 456
 457     htmldoc_addref(&doc->basedoc);
 458     ret->doc = doc;
 459
 460     init_dispex(&ret->dispex, (IUnknown*)&ret->IHTMLDOMChildrenCollection_iface,
 461             &HTMLDOMChildrenCollection_dispex);
 462
 463     return &ret->IHTMLDOMChildrenCollection_iface;
 464 }
 465
 466 static inline HTMLDOMNode *impl_from_IHTMLDOMNode(IHTMLDOMNode *iface)
 467 {
 468     return CONTAINING_RECORD(iface, HTMLDOMNode, IHTMLDOMNode_iface);
 469 }
 470
 471 static HRESULT WINAPI HTMLDOMNode_QueryInterface(IHTMLDOMNode *iface,
 472                                                  REFIID riid, void **ppv)
 473 {
 474     HTMLDOMNode *This = impl_from_IHTMLDOMNode(iface);
 475
 476     return This->vtbl->qi(This, riid, ppv);
 477 }
 478
 479 static ULONG WINAPI HTMLDOMNode_AddRef(IHTMLDOMNode *iface)
 480 {
 481     HTMLDOMNode *This = impl_from_IHTMLDOMNode(iface);
 482     LONG ref;
 483
 484     ref = ccref_incr(&This->ccref, (nsISupports*)&This->IHTMLDOMNode_iface);
 485
 486     TRACE("(%p) ref=%d\n", This, ref);
 487
 488     return ref;
 489 }
 490
 491 static ULONG WINAPI HTMLDOMNode_Release(IHTMLDOMNode *iface)
 492 {
 493     HTMLDOMNode *This = impl_from_IHTMLDOMNode(iface);
 494     LONG ref = ccref_decr(&This->ccref, (nsISupports*)&This->IHTMLDOMNode_iface, /*&node_ccp*/ NULL);
 495
 496     TRACE("(%p) ref=%d\n", This, ref);
 497
 498     return ref;
 499 }
 500
 501 static HRESULT WINAPI HTMLDOMNode_GetTypeInfoCount(IHTMLDOMNode *iface, UINT *pctinfo)
 502 {
 503     HTMLDOMNode *This = impl_from_IHTMLDOMNode(iface);
 504     return IDispatchEx_GetTypeInfoCount(&This->dispex.IDispatchEx_iface, pctinfo);
 505 }
 506
 507 static HRESULT WINAPI HTMLDOMNode_GetTypeInfo(IHTMLDOMNode *iface, UINT iTInfo,
 508                                               LCID lcid, ITypeInfo **ppTInfo)
 509 {
 510     HTMLDOMNode *This = impl_from_IHTMLDOMNode(iface);
 511     return IDispatchEx_GetTypeInfo(&This->dispex.IDispatchEx_iface, iTInfo, lcid, ppTInfo);
 512 }
 513
 514 static HRESULT WINAPI HTMLDOMNode_GetIDsOfNames(IHTMLDOMNode *iface, REFIID riid,
 515                                                 LPOLESTR *rgszNames, UINT cNames,
 516                                                 LCID lcid, DISPID *rgDispId)
 517 {
 518     HTMLDOMNode *This = impl_from_IHTMLDOMNode(iface);
 519     return IDispatchEx_GetIDsOfNames(&This->dispex.IDispatchEx_iface, riid, rgszNames, cNames,
 520             lcid, rgDispId);
 521 }
 522
 523 static HRESULT WINAPI HTMLDOMNode_Invoke(IHTMLDOMNode *iface, DISPID dispIdMember,
 524                             REFIID riid, LCID lcid, WORD wFlags, DISPPARAMS *pDispParams,
 525                             VARIANT *pVarResult, EXCEPINFO *pExcepInfo, UINT *puArgErr)
 526 {
 527     HTMLDOMNode *This = impl_from_IHTMLDOMNode(iface);
 528     return IDispatchEx_Invoke(&This->dispex.IDispatchEx_iface, dispIdMember, riid, lcid,
 529             wFlags, pDispParams, pVarResult, pExcepInfo, puArgErr);
 530 }
 531
 532 static HRESULT WINAPI HTMLDOMNode_get_nodeType(IHTMLDOMNode *iface, LONG *p)
 533 {
 534     HTMLDOMNode *This = impl_from_IHTMLDOMNode(iface);
 535     UINT16 type = -1;
 536
 537     TRACE("(%p)->(%p)\n", This, p);
 538
 539     nsIDOMNode_GetNodeType(This->nsnode, &type);
 540
 541     switch(type) {
 542     case ELEMENT_NODE:
 543         *p = 1;
 544         break;
 545     case TEXT_NODE:
 546         *p = 3;
 547         break;
 548     case COMMENT_NODE:
 549     case DOCUMENT_TYPE_NODE:
 550         *p = 8;
 551         break;
 552     case DOCUMENT_NODE:
 553         *p = 9;
 554         break;
 555     case DOCUMENT_FRAGMENT_NODE:
 556         *p = 11;
 557         break;
 558     default:
 559         /*
 560          * FIXME:
 561          * According to MSDN only ELEMENT_NODE and TEXT_NODE are supported.
 562          * It needs more tests.
 563          */
 564         FIXME("type %u\n", type);
 565         *p = 0;
 566     }
 567
 568     return S_OK;
 569 }
 570
 571 static HRESULT WINAPI HTMLDOMNode_get_parentNode(IHTMLDOMNode *iface, IHTMLDOMNode **p)
 572 {
 573     HTMLDOMNode *This = impl_from_IHTMLDOMNode(iface);
 574     HTMLDOMNode *node;
 575     nsIDOMNode *nsnode;
 576     nsresult nsres;
 577     HRESULT hres;
 578
 579     TRACE("(%p)->(%p)\n", This, p);
 580
 581     nsres = nsIDOMNode_GetParentNode(This->nsnode, &nsnode);
 582     if(NS_FAILED(nsres)) {
 583         ERR("GetParentNode failed: %08x\n", nsres);
 584         return E_FAIL;
 585     }
 586
 587     if(!nsnode) {
 588         *p = NULL;
 589         return S_OK;
 590     }
 591
 592     hres = get_node(This->doc, nsnode, TRUE, &node);
 593     nsIDOMNode_Release(nsnode);
 594     if(FAILED(hres))
 595         return hres;
 596
 597     *p = &node->IHTMLDOMNode_iface;
 598     return S_OK;
 599 }
 600
 601 static HRESULT WINAPI HTMLDOMNode_hasChildNodes(IHTMLDOMNode *iface, VARIANT_BOOL *fChildren)
 602 {
 603     HTMLDOMNode *This = impl_from_IHTMLDOMNode(iface);
 604     cpp_bool has_child = FALSE;
 605     nsresult nsres;
 606
 607     TRACE("(%p)->(%p)\n", This, fChildren);
 608
 609     nsres = nsIDOMNode_HasChildNodes(This->nsnode, &has_child);
 610     if(NS_FAILED(nsres))
 611         ERR("HasChildNodes failed: %08x\n", nsres);
 612
 613     *fChildren = has_child ? VARIANT_TRUE : VARIANT_FALSE;
 614     return S_OK;
 615 }
 616
 617 static HRESULT WINAPI HTMLDOMNode_get_childNodes(IHTMLDOMNode *iface, IDispatch **p)
 618 {
 619     HTMLDOMNode *This = impl_from_IHTMLDOMNode(iface);
 620     nsIDOMNodeList *nslist;
 621     nsresult nsres;
 622
 623     TRACE("(%p)->(%p)\n", This, p);
 624
 625     nsres = nsIDOMNode_GetChildNodes(This->nsnode, &nslist);
 626     if(NS_FAILED(nsres)) {
 627         ERR("GetChildNodes failed: %08x\n", nsres);
 628         return E_FAIL;
 629     }
 630
 631     *p = (IDispatch*)create_child_collection(This->doc, nslist);
 632     nsIDOMNodeList_Release(nslist);
 633
 634     return *p ? S_OK : E_OUTOFMEMORY;
 635 }
 636
 637 static HRESULT WINAPI HTMLDOMNode_get_attributes(IHTMLDOMNode *iface, IDispatch **p)
 638 {
 639     HTMLDOMNode *This = impl_from_IHTMLDOMNode(iface);
 640     HTMLAttributeCollection *col;
 641     HRESULT hres;
 642
 643     TRACE("(%p)->(%p)\n", This, p);
 644
 645     if(This->vtbl->get_attr_col) {
 646         hres = This->vtbl->get_attr_col(This, &col);
 647         if(FAILED(hres))
 648             return hres;
 649
 650         *p = (IDispatch*)&col->IHTMLAttributeCollection_iface;
 651         return S_OK;
 652     }
 653
 654     *p = NULL;
 655     return S_OK;
 656 }
 657
 658 static HRESULT WINAPI HTMLDOMNode_insertBefore(IHTMLDOMNode *iface, IHTMLDOMNode *newChild,
 659                                                VARIANT refChild, IHTMLDOMNode **node)
 660 {
 661     HTMLDOMNode *This = impl_from_IHTMLDOMNode(iface);
 662     HTMLDOMNode *new_child, *node_obj, *ref_node = NULL;
 663     nsIDOMNode *nsnode;
 664     nsresult nsres;
 665     HRESULT hres = S_OK;
 666
 667     TRACE("(%p)->(%p %s %p)\n", This, newChild, debugstr_variant(&refChild), node);
 668
 669     new_child = get_node_obj(newChild);
 670     if(!new_child) {
 671         ERR("invalid newChild\n");
 672         return E_INVALIDARG;
 673     }
 674
 675     switch(V_VT(&refChild)) {
 676     case VT_NULL:
 677         break;
 678     case VT_DISPATCH: {
 679         IHTMLDOMNode *ref_iface;
 680
 681         if(!V_DISPATCH(&refChild))
 682             break;
 683
 684         hres = IDispatch_QueryInterface(V_DISPATCH(&refChild), &IID_IHTMLDOMNode, (void**)&ref_iface);
 685         if(FAILED(hres))
 686             break;
 687
 688         ref_node = get_node_obj(ref_iface);
 689         IHTMLDOMNode_Release(ref_iface);
 690         if(!ref_node) {
 691             ERR("unvalid node\n");
 692             hres = E_FAIL;
 693             break;
 694         }
 695         break;
 696     }
 697     default:
 698         FIXME("unimplemented refChild %s\n", debugstr_variant(&refChild));
 699         hres = E_NOTIMPL;
 700     }
 701
 702     if(SUCCEEDED(hres)) {
 703         nsres = nsIDOMNode_InsertBefore(This->nsnode, new_child->nsnode, ref_node ? ref_node->nsnode : NULL, &nsnode);
 704         if(NS_FAILED(nsres)) {
 705             ERR("InsertBefore failed: %08x\n", nsres);
 706             hres = E_FAIL;
 707         }
 708     }
 709     node_release(new_child);
 710     if(ref_node)
 711         node_release(ref_node);
 712     if(FAILED(hres))
 713         return hres;
 714
 715     hres = get_node(This->doc, nsnode, TRUE, &node_obj);
 716     nsIDOMNode_Release(nsnode);
 717     if(FAILED(hres))
 718         return hres;
 719
 720     *node = &node_obj->IHTMLDOMNode_iface;
 721     return S_OK;
 722 }
 723
 724 static HRESULT WINAPI HTMLDOMNode_removeChild(IHTMLDOMNode *iface, IHTMLDOMNode *oldChild,
 725                                               IHTMLDOMNode **node)
 726 {
 727     HTMLDOMNode *This = impl_from_IHTMLDOMNode(iface);
 728     HTMLDOMNode *node_obj;
 729     nsIDOMNode *nsnode;
 730     nsresult nsres;
 731     HRESULT hres;
 732
 733     TRACE("(%p)->(%p %p)\n", This, oldChild, node);
 734
 735     node_obj = get_node_obj(oldChild);
 736     if(!node_obj)
 737         return E_FAIL;
 738
 739     nsres = nsIDOMNode_RemoveChild(This->nsnode, node_obj->nsnode, &nsnode);
 740     node_release(node_obj);
 741     if(NS_FAILED(nsres)) {
 742         ERR("RemoveChild failed: %08x\n", nsres);
 743         return E_FAIL;
 744     }
 745
 746     hres = get_node(This->doc, nsnode, TRUE, &node_obj);
 747     nsIDOMNode_Release(nsnode);
 748     if(FAILED(hres))
 749         return hres;
 750
 751     /* FIXME: Make sure that node != newChild */
 752     *node = &node_obj->IHTMLDOMNode_iface;
 753     return S_OK;
 754 }
 755
 756 static HRESULT WINAPI HTMLDOMNode_replaceChild(IHTMLDOMNode *iface, IHTMLDOMNode *newChild,
 757                                                IHTMLDOMNode *oldChild, IHTMLDOMNode **node)
 758 {
 759     HTMLDOMNode *This = impl_from_IHTMLDOMNode(iface);
 760     HTMLDOMNode *node_new, *node_old, *ret_node;
 761     nsIDOMNode *nsnode;
 762     nsresult nsres;
 763     HRESULT hres;
 764
 765     TRACE("(%p)->(%p %p %p)\n", This, newChild, oldChild, node);
 766
 767     node_new = get_node_obj(newChild);
 768     if(!node_new)
 769         return E_FAIL;
 770
 771     node_old = get_node_obj(oldChild);
 772     if(!node_old) {
 773         node_release(node_new);
 774         return E_FAIL;
 775     }
 776
 777     nsres = nsIDOMNode_ReplaceChild(This->nsnode, node_new->nsnode, node_old->nsnode, &nsnode);
 778     node_release(node_new);
 779     node_release(node_old);
 780     if(NS_FAILED(nsres))
 781         return E_FAIL;
 782
 783     hres = get_node(This->doc, nsnode, TRUE, &ret_node);
 784     nsIDOMNode_Release(nsnode);
 785     if(FAILED(hres))
 786         return hres;
 787
 788     *node = &ret_node->IHTMLDOMNode_iface;
 789     return S_OK;
 790 }
 791
 792 static HRESULT WINAPI HTMLDOMNode_cloneNode(IHTMLDOMNode *iface, VARIANT_BOOL fDeep,
 793                                             IHTMLDOMNode **clonedNode)
 794 {
 795     HTMLDOMNode *This = impl_from_IHTMLDOMNode(iface);
 796     HTMLDOMNode *new_node;
 797     nsIDOMNode *nsnode;
 798     nsresult nsres;
 799     HRESULT hres;
 800
 801     TRACE("(%p)->(%x %p)\n", This, fDeep, clonedNode);
 802
 803     nsres = nsIDOMNode_CloneNode(This->nsnode, fDeep != VARIANT_FALSE, 1, &nsnode);
 804     if(NS_FAILED(nsres) || !nsnode) {
 805         ERR("CloneNode failed: %08x\n", nsres);
 806         return E_FAIL;
 807     }
 808
 809     hres = This->vtbl->clone(This, nsnode, &new_node);
 810     if(FAILED(hres))
 811         return hres;
 812
 813     *clonedNode = &new_node->IHTMLDOMNode_iface;
 814     return S_OK;
 815 }
 816
 817 static HRESULT WINAPI HTMLDOMNode_removeNode(IHTMLDOMNode *iface, VARIANT_BOOL fDeep,
 818                                              IHTMLDOMNode **removed)
 819 {
 820     HTMLDOMNode *This = impl_from_IHTMLDOMNode(iface);
 821     FIXME("(%p)->(%x %p)\n", This, fDeep, removed);
 822     return E_NOTIMPL;
 823 }
 824
 825 static HRESULT WINAPI HTMLDOMNode_swapNode(IHTMLDOMNode *iface, IHTMLDOMNode *otherNode,
 826                                            IHTMLDOMNode **swappedNode)
 827 {
 828     HTMLDOMNode *This = impl_from_IHTMLDOMNode(iface);
 829     FIXME("(%p)->(%p %p)\n", This, otherNode, swappedNode);
 830     return E_NOTIMPL;
 831 }
 832
 833 static HRESULT WINAPI HTMLDOMNode_replaceNode(IHTMLDOMNode *iface, IHTMLDOMNode *replacement,
 834                                               IHTMLDOMNode **replaced)
 835 {
 836     HTMLDOMNode *This = impl_from_IHTMLDOMNode(iface);
 837     FIXME("(%p)->(%p %p)\n", This, replacement, replaced);
 838     return E_NOTIMPL;
 839 }
 840
 841 static HRESULT WINAPI HTMLDOMNode_appendChild(IHTMLDOMNode *iface, IHTMLDOMNode *newChild,
 842                                               IHTMLDOMNode **node)
 843 {
 844     HTMLDOMNode *This = impl_from_IHTMLDOMNode(iface);
 845     HTMLDOMNode *node_obj;
 846     nsIDOMNode *nsnode;
 847     nsresult nsres;
 848     HRESULT hres;
 849
 850     TRACE("(%p)->(%p %p)\n", This, newChild, node);
 851
 852     node_obj = get_node_obj(newChild);
 853     if(!node_obj)
 854         return E_FAIL;
 855
 856     nsres = nsIDOMNode_AppendChild(This->nsnode, node_obj->nsnode, &nsnode);
 857     node_release(node_obj);
 858     if(NS_FAILED(nsres)) {
 859         ERR("AppendChild failed: %08x\n", nsres);
 860         return E_FAIL;
 861     }
 862
 863     hres = get_node(This->doc, nsnode, TRUE, &node_obj);
 864     nsIDOMNode_Release(nsnode);
 865     if(FAILED(hres))
 866         return hres;
 867
 868     /* FIXME: Make sure that node != newChild */
 869     *node = &node_obj->IHTMLDOMNode_iface;
 870     return S_OK;
 871 }
 872
 873 static HRESULT WINAPI HTMLDOMNode_get_nodeName(IHTMLDOMNode *iface, BSTR *p)
 874 {
 875     HTMLDOMNode *This = impl_from_IHTMLDOMNode(iface);
 876     nsAString name;
 877     nsresult nsres;
 878
 879     TRACE("(%p)->(%p)\n", This, p);
 880
 881     nsAString_Init(&name, NULL);
 882     nsres = nsIDOMNode_GetNodeName(This->nsnode, &name);
 883     return return_nsstr(nsres, &name, p);
 884 }
 885
 886 static HRESULT WINAPI HTMLDOMNode_put_nodeValue(IHTMLDOMNode *iface, VARIANT v)
 887 {
 888     HTMLDOMNode *This = impl_from_IHTMLDOMNode(iface);
 889
 890     TRACE("(%p)->(%s)\n", This, debugstr_variant(&v));
 891
 892     switch(V_VT(&v)) {
 893     case VT_BSTR: {
 894         nsAString val_str;
 895
 896         nsAString_InitDepend(&val_str, V_BSTR(&v));
 897         nsIDOMNode_SetNodeValue(This->nsnode, &val_str);
 898         nsAString_Finish(&val_str);
 899
 900         return S_OK;
 901     }
 902
 903     default:
 904         FIXME("unsupported value %s\n", debugstr_variant(&v));
 905     }
 906
 907     return E_NOTIMPL;
 908 }
 909
 910 static HRESULT WINAPI HTMLDOMNode_get_nodeValue(IHTMLDOMNode *iface, VARIANT *p)
 911 {
 912     HTMLDOMNode *This = impl_from_IHTMLDOMNode(iface);
 913     const PRUnichar *val;
 914     nsAString val_str;
 915
 916     TRACE("(%p)->(%p)\n", This, p);
 917
 918     nsAString_Init(&val_str, NULL);
 919     nsIDOMNode_GetNodeValue(This->nsnode, &val_str);
 920     nsAString_GetData(&val_str, &val);
 921
 922     if(*val) {
 923         V_VT(p) = VT_BSTR;
 924         V_BSTR(p) = SysAllocString(val);
 925     }else {
 926         V_VT(p) = VT_NULL;
 927     }
 928
 929     nsAString_Finish(&val_str);
 930
 931     return S_OK;
 932 }
 933
 934 static HRESULT WINAPI HTMLDOMNode_get_firstChild(IHTMLDOMNode *iface, IHTMLDOMNode **p)
 935 {
 936     HTMLDOMNode *This = impl_from_IHTMLDOMNode(iface);
 937     nsIDOMNode *nschild = NULL;
 938     HTMLDOMNode *node;
 939     HRESULT hres;
 940
 941     TRACE("(%p)->(%p)\n", This, p);
 942
 943     nsIDOMNode_GetFirstChild(This->nsnode, &nschild);
 944     if(!nschild) {
 945         *p = NULL;
 946         return S_OK;
 947     }
 948
 949     hres = get_node(This->doc, nschild, TRUE, &node);
 950     nsIDOMNode_Release(nschild);
 951     if(FAILED(hres))
 952         return hres;
 953
 954     *p = &node->IHTMLDOMNode_iface;
 955     return S_OK;
 956 }
 957
 958 static HRESULT WINAPI HTMLDOMNode_get_lastChild(IHTMLDOMNode *iface, IHTMLDOMNode **p)
 959 {
 960     HTMLDOMNode *This = impl_from_IHTMLDOMNode(iface);
 961     nsIDOMNode *nschild = NULL;
 962     HTMLDOMNode *node;
 963     HRESULT hres;
 964
 965     TRACE("(%p)->(%p)\n", This, p);
 966
 967     nsIDOMNode_GetLastChild(This->nsnode, &nschild);
 968     if(!nschild) {
 969         *p = NULL;
 970         return S_OK;
 971     }
 972
 973     hres = get_node(This->doc, nschild, TRUE, &node);
 974     nsIDOMNode_Release(nschild);
 975     if(FAILED(hres))
 976         return hres;
 977
 978     *p = &node->IHTMLDOMNode_iface;
 979     return S_OK;
 980 }
 981
 982 static HRESULT WINAPI HTMLDOMNode_get_previousSibling(IHTMLDOMNode *iface, IHTMLDOMNode **p)
 983 {
 984     HTMLDOMNode *This = impl_from_IHTMLDOMNode(iface);
 985     nsIDOMNode *nschild = NULL;
 986     HTMLDOMNode *node;
 987     HRESULT hres;
 988
 989     TRACE("(%p)->(%p)\n", This, p);
 990
 991     nsIDOMNode_GetPreviousSibling(This->nsnode, &nschild);
 992     if(!nschild) {
 993         *p = NULL;
 994         return S_OK;
 995     }
 996
 997     hres = get_node(This->doc, nschild, TRUE, &node);
 998     nsIDOMNode_Release(nschild);
 999     if(FAILED(hres))
1000         return hres;
1001
1002     *p = &node->IHTMLDOMNode_iface;
1003     return S_OK;
1004 }
1005
1006 static HRESULT WINAPI HTMLDOMNode_get_nextSibling(IHTMLDOMNode *iface, IHTMLDOMNode **p)
1007 {
1008     HTMLDOMNode *This = impl_from_IHTMLDOMNode(iface);
1009     nsIDOMNode *nssibling = NULL;
1010     HTMLDOMNode *node;
1011     HRESULT hres;
1012
1013     TRACE("(%p)->(%p)\n", This, p);
1014
1015     nsIDOMNode_GetNextSibling(This->nsnode, &nssibling);
1016     if(!nssibling) {
1017         *p = NULL;
1018         return S_OK;
1019     }
1020
1021     hres = get_node(This->doc, nssibling, TRUE, &node);
1022     nsIDOMNode_Release(nssibling);
1023     if(FAILED(hres))
1024         return hres;
1025
1026     *p = &node->IHTMLDOMNode_iface;
1027     return S_OK;
1028 }
1029
1030 static const IHTMLDOMNodeVtbl HTMLDOMNodeVtbl = {
1031     HTMLDOMNode_QueryInterface,
1032     HTMLDOMNode_AddRef,
1033     HTMLDOMNode_Release,
1034     HTMLDOMNode_GetTypeInfoCount,
1035     HTMLDOMNode_GetTypeInfo,
1036     HTMLDOMNode_GetIDsOfNames,
1037     HTMLDOMNode_Invoke,
1038     HTMLDOMNode_get_nodeType,
1039     HTMLDOMNode_get_parentNode,
1040     HTMLDOMNode_hasChildNodes,
1041     HTMLDOMNode_get_childNodes,
1042     HTMLDOMNode_get_attributes,
1043     HTMLDOMNode_insertBefore,
1044     HTMLDOMNode_removeChild,
1045     HTMLDOMNode_replaceChild,
1046     HTMLDOMNode_cloneNode,
1047     HTMLDOMNode_removeNode,
1048     HTMLDOMNode_swapNode,
1049     HTMLDOMNode_replaceNode,
1050     HTMLDOMNode_appendChild,
1051     HTMLDOMNode_get_nodeName,
1052     HTMLDOMNode_put_nodeValue,
1053     HTMLDOMNode_get_nodeValue,
1054     HTMLDOMNode_get_firstChild,
1055     HTMLDOMNode_get_lastChild,
1056     HTMLDOMNode_get_previousSibling,
1057     HTMLDOMNode_get_nextSibling
1058 };
1059
1060 static HTMLDOMNode *get_node_obj(IHTMLDOMNode *iface)
1061 {
1062     HTMLDOMNode *ret;
1063
1064     if(iface->lpVtbl != &HTMLDOMNodeVtbl)
1065         return NULL;
1066
1067     ret = impl_from_IHTMLDOMNode(iface);
1068     node_addref(ret);
1069     return ret;
1070 }
1071
1072 static inline HTMLDOMNode *impl_from_IHTMLDOMNode2(IHTMLDOMNode2 *iface)
1073 {
1074     return CONTAINING_RECORD(iface, HTMLDOMNode, IHTMLDOMNode2_iface);
1075 }
1076
1077 static HRESULT WINAPI HTMLDOMNode2_QueryInterface(IHTMLDOMNode2 *iface,
1078         REFIID riid, void **ppv)
1079 {
1080     HTMLDOMNode *This = impl_from_IHTMLDOMNode2(iface);
1081
1082     return IHTMLDOMNode_QueryInterface(&This->IHTMLDOMNode_iface, riid, ppv);
1083 }
1084
1085 static ULONG WINAPI HTMLDOMNode2_AddRef(IHTMLDOMNode2 *iface)
1086 {
1087     HTMLDOMNode *This = impl_from_IHTMLDOMNode2(iface);
1088
1089     return IHTMLDOMNode_AddRef(&This->IHTMLDOMNode_iface);
1090 }
1091
1092 static ULONG WINAPI HTMLDOMNode2_Release(IHTMLDOMNode2 *iface)
1093 {
1094     HTMLDOMNode *This = impl_from_IHTMLDOMNode2(iface);
1095
1096     return IHTMLDOMNode_Release(&This->IHTMLDOMNode_iface);
1097 }
1098
1099 static HRESULT WINAPI HTMLDOMNode2_GetTypeInfoCount(IHTMLDOMNode2 *iface, UINT *pctinfo)
1100 {
1101     HTMLDOMNode *This = impl_from_IHTMLDOMNode2(iface);
1102     return IDispatchEx_GetTypeInfoCount(&This->dispex.IDispatchEx_iface, pctinfo);
1103 }
1104
1105 static HRESULT WINAPI HTMLDOMNode2_GetTypeInfo(IHTMLDOMNode2 *iface, UINT iTInfo,
1106         LCID lcid, ITypeInfo **ppTInfo)
1107 {
1108     HTMLDOMNode *This = impl_from_IHTMLDOMNode2(iface);
1109     return IDispatchEx_GetTypeInfo(&This->dispex.IDispatchEx_iface, iTInfo, lcid, ppTInfo);
1110 }
1111
1112 static HRESULT WINAPI HTMLDOMNode2_GetIDsOfNames(IHTMLDOMNode2 *iface, REFIID riid,
1113                                                 LPOLESTR *rgszNames, UINT cNames,
1114                                                 LCID lcid, DISPID *rgDispId)
1115 {
1116     HTMLDOMNode *This = impl_from_IHTMLDOMNode2(iface);
1117     return IDispatchEx_GetIDsOfNames(&This->dispex.IDispatchEx_iface, riid, rgszNames, cNames,
1118             lcid, rgDispId);
1119 }
1120
1121 static HRESULT WINAPI HTMLDOMNode2_Invoke(IHTMLDOMNode2 *iface, DISPID dispIdMember,
1122         REFIID riid, LCID lcid, WORD wFlags, DISPPARAMS *pDispParams,
1123         VARIANT *pVarResult, EXCEPINFO *pExcepInfo, UINT *puArgErr)
1124 {
1125     HTMLDOMNode *This = impl_from_IHTMLDOMNode2(iface);
1126     return IDispatchEx_Invoke(&This->dispex.IDispatchEx_iface, dispIdMember, riid, lcid,
1127             wFlags, pDispParams, pVarResult, pExcepInfo, puArgErr);
1128 }
1129
1130 static HRESULT WINAPI HTMLDOMNode2_get_ownerDocument(IHTMLDOMNode2 *iface, IDispatch **p)
1131 {
1132     HTMLDOMNode *This = impl_from_IHTMLDOMNode2(iface);
1133
1134     TRACE("(%p)->(%p)\n", This, p);
1135
1136     /* FIXME: Better check for document node */
1137     if(This == &This->doc->node) {
1138         *p = NULL;
1139     }else {
1140         *p = (IDispatch*)&This->doc->basedoc.IHTMLDocument2_iface;
1141         IDispatch_AddRef(*p);
1142     }
1143     return S_OK;
1144 }
1145
1146 static const IHTMLDOMNode2Vtbl HTMLDOMNode2Vtbl = {
1147     HTMLDOMNode2_QueryInterface,
1148     HTMLDOMNode2_AddRef,
1149     HTMLDOMNode2_Release,
1150     HTMLDOMNode2_GetTypeInfoCount,
1151     HTMLDOMNode2_GetTypeInfo,
1152     HTMLDOMNode2_GetIDsOfNames,
1153     HTMLDOMNode2_Invoke,
1154     HTMLDOMNode2_get_ownerDocument
1155 };
1156
1157 HRESULT HTMLDOMNode_QI(HTMLDOMNode *This, REFIID riid, void **ppv)
1158 {
1159     TRACE("(%p)->(%s %p)\n", This, debugstr_mshtml_guid(riid), ppv);
1160
1161     if(IsEqualGUID(&IID_IUnknown, riid)) {
1162         *ppv = &This->IHTMLDOMNode_iface;
1163     }else if(IsEqualGUID(&IID_IDispatch, riid)) {
1164         *ppv = &This->IHTMLDOMNode_iface;
1165     }else if(IsEqualGUID(&IID_IDispatchEx, riid) && This->dispex.data) {
1166         *ppv = &This->dispex.IDispatchEx_iface;
1167     }else if(IsEqualGUID(&IID_IHTMLDOMNode, riid)) {
1168         *ppv = &This->IHTMLDOMNode_iface;
1169     }else if(IsEqualGUID(&IID_IHTMLDOMNode2, riid)) {
1170         *ppv = &This->IHTMLDOMNode2_iface;
1171     }else if(IsEqualGUID(&IID_nsXPCOMCycleCollectionParticipant, riid)) {
1172         *ppv = &node_ccp;
1173         return NS_OK;
1174     }else if(IsEqualGUID(&IID_nsCycleCollectionISupports, riid)) {
1175         *ppv = &This->IHTMLDOMNode_iface;
1176         return NS_OK;
1177     }else if(dispex_query_interface(&This->dispex, riid, ppv)) {
1178         return *ppv ? S_OK : E_NOINTERFACE;
1179     }else {
1180         *ppv = NULL;
1181         WARN("(%p)->(%s %p)\n", This, debugstr_mshtml_guid(riid), ppv);
1182         return E_NOINTERFACE;
1183     }
1184
1185     IUnknown_AddRef((IUnknown*)*ppv);
1186     return S_OK;
1187 }
1188
1189 void HTMLDOMNode_destructor(HTMLDOMNode *This)
1190 {
1191     if(This->nsnode)
1192         nsIDOMNode_Release(This->nsnode);
1193     if(This->doc && &This->doc->node != This)
1194         htmldoc_release(&This->doc->basedoc);
1195     if(This->event_target)
1196         release_event_target(This->event_target);
1197 }
1198
1199 static HRESULT HTMLDOMNode_clone(HTMLDOMNode *This, nsIDOMNode *nsnode, HTMLDOMNode **ret)
1200 {
1201     return create_node(This->doc, nsnode, ret);
1202 }
1203
1204 static const cpc_entry_t HTMLDOMNode_cpc[] = {{NULL}};
1205
1206 static const NodeImplVtbl HTMLDOMNodeImplVtbl = {
1207     HTMLDOMNode_QI,
1208     HTMLDOMNode_destructor,
1209     HTMLDOMNode_cpc,
1210     HTMLDOMNode_clone
1211 };
1212
1213 void HTMLDOMNode_Init(HTMLDocumentNode *doc, HTMLDOMNode *node, nsIDOMNode *nsnode)
1214 {
1215     nsresult nsres;
1216
1217     node->IHTMLDOMNode_iface.lpVtbl = &HTMLDOMNodeVtbl;
1218     node->IHTMLDOMNode2_iface.lpVtbl = &HTMLDOMNode2Vtbl;
1219
1220     ccref_init(&node->ccref, 1);
1221
1222     if(&doc->node != node)
1223         htmldoc_addref(&doc->basedoc);
1224     node->doc = doc;
1225
1226     nsIDOMNode_AddRef(nsnode);
1227     node->nsnode = nsnode;
1228
1229     nsres = nsIDOMNode_SetMshtmlNode(nsnode, (nsISupports*)&node->IHTMLDOMNode_iface);
1230     assert(nsres == NS_OK);
1231 }
1232
1233 static HRESULT create_node(HTMLDocumentNode *doc, nsIDOMNode *nsnode, HTMLDOMNode **ret)
1234 {
1235     UINT16 node_type;
1236     HRESULT hres;
1237
1238     nsIDOMNode_GetNodeType(nsnode, &node_type);
1239
1240     switch(node_type) {
1241     case ELEMENT_NODE: {
1242         HTMLElement *elem;
1243         hres = HTMLElement_Create(doc, nsnode, FALSE, &elem);
1244         if(FAILED(hres))
1245             return hres;
1246         *ret = &elem->node;
1247         break;
1248     }
1249     case TEXT_NODE:
1250         hres = HTMLDOMTextNode_Create(doc, nsnode, ret);
1251         if(FAILED(hres))
1252             return hres;
1253         break;
1254     /* doctype nodes are represented as comment nodes (at least in quirks mode) */
1255     case DOCUMENT_TYPE_NODE:
1256     case COMMENT_NODE: {
1257         HTMLElement *comment;
1258         hres = HTMLCommentElement_Create(doc, nsnode, &comment);
1259         if(FAILED(hres))
1260             return hres;
1261         *ret = &comment->node;
1262         break;
1263     }
1264     case ATTRIBUTE_NODE:
1265         ERR("Called on attribute node\n");
1266         return E_UNEXPECTED;
1267     default: {
1268         HTMLDOMNode *node;
1269
1270         node = heap_alloc_zero(sizeof(HTMLDOMNode));
1271         if(!node)
1272             return E_OUTOFMEMORY;
1273
1274         node->vtbl = &HTMLDOMNodeImplVtbl;
1275         HTMLDOMNode_Init(doc, node, nsnode);
1276         *ret = node;
1277     }
1278     }
1279
1280     TRACE("type %d ret %p\n", node_type, *ret);
1281     return S_OK;
1282 }
1283
1284 static nsresult NSAPI HTMLDOMNode_traverse(void *ccp, void *p, nsCycleCollectionTraversalCallback *cb)
1285 {
1286     HTMLDOMNode *This = impl_from_IHTMLDOMNode(p);
1287
1288     TRACE("%p\n", This);
1289
1290     describe_cc_node(&This->ccref, "HTMLDOMNode", cb);
1291
1292     if(This->nsnode)
1293         note_cc_edge((nsISupports*)This->nsnode, "This->nsnode", cb);
1294     if(This->doc && &This->doc->node != This)
1295         note_cc_edge((nsISupports*)&This->doc->node.IHTMLDOMNode_iface, "This->doc", cb);
1296     dispex_traverse(&This->dispex, cb);
1297
1298     if(This->vtbl->traverse)
1299         This->vtbl->traverse(This, cb);
1300
1301     return NS_OK;
1302 }
1303
1304 static nsresult NSAPI HTMLDOMNode_unlink(void *p)
1305 {
1306     HTMLDOMNode *This = impl_from_IHTMLDOMNode(p);
1307
1308     TRACE("%p\n", This);
1309
1310     if(This->vtbl->unlink)
1311         This->vtbl->unlink(This);
1312
1313     dispex_unlink(&This->dispex);
1314
1315     if(This->nsnode) {
1316         nsIDOMNode *nsnode = This->nsnode;
1317         This->nsnode = NULL;
1318         nsIDOMNode_Release(nsnode);
1319     }
1320
1321     if(This->doc && &This->doc->node != This) {
1322         HTMLDocument *doc = &This->doc->basedoc;
1323         This->doc = NULL;
1324         htmldoc_release(doc);
1325     }else {
1326         This->doc = NULL;
1327     }
1328
1329     return NS_OK;
1330 }
1331
1332 static void NSAPI HTMLDOMNode_delete_cycle_collectable(void *p)
1333 {
1334     HTMLDOMNode *This = impl_from_IHTMLDOMNode(p);
1335
1336     TRACE("(%p)\n", This);
1337
1338     if(This->vtbl->unlink)
1339         This->vtbl->unlink(This);
1340     This->vtbl->destructor(This);
1341     release_dispex(&This->dispex);
1342     heap_free(This);
1343 }
1344
1345 void init_node_cc(void)
1346 {
1347     static const CCObjCallback node_ccp_callback = {
1348         HTMLDOMNode_traverse,
1349         HTMLDOMNode_unlink,
1350         HTMLDOMNode_delete_cycle_collectable
1351     };
1352
1353     ccp_init(&node_ccp, &node_ccp_callback);
1354 }
1355
1356 HRESULT get_node(HTMLDocumentNode *This, nsIDOMNode *nsnode, BOOL create, HTMLDOMNode **ret)
1357 {
1358     nsISupports *unk = NULL;
1359     nsresult nsres;
1360
1361     nsres = nsIDOMNode_GetMshtmlNode(nsnode, &unk);
1362     assert(nsres == NS_OK);
1363
1364     if(unk) {
1365         *ret = get_node_obj((IHTMLDOMNode*)unk);
1366         nsISupports_Release(unk);
1367         return NS_OK;
1368     }
1369
1370     if(!create) {
1371         *ret = NULL;
1372         return S_OK;
1373     }
1374
1375     return create_node(This, nsnode, ret);
1376 }