dlls/mshtml/htmlstylesheet.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 "config.h"
  20
  21 #include <stdarg.h>
  22 #include <stdio.h>
  23
  24 #define COBJMACROS
  25
  26 #include "windef.h"
  27 #include "winbase.h"
  28 #include "winuser.h"
  29 #include "winnls.h"
  30 #include "ole2.h"
  31
  32 #include "wine/debug.h"
  33 #include "wine/unicode.h"
  34
  35 #include "mshtml_private.h"
  36
  37 WINE_DEFAULT_DEBUG_CHANNEL(mshtml);
  38
  39 typedef struct {
  40     const IHTMLStyleSheetVtbl *lpHTMLStyleSheetVtbl;
  41
  42     LONG ref;
  43
  44     nsIDOMCSSStyleSheet *nsstylesheet;
  45 } HTMLStyleSheet;
  46
  47 typedef struct {
  48     const IHTMLStyleSheetsCollectionVtbl *lpHTMLStyleSheetsCollectionVtbl;
  49
  50     LONG ref;
  51
  52     nsIDOMStyleSheetList *nslist;
  53 } HTMLStyleSheetsCollection;
  54
  55 #define HTMLSTYLESHEET(x)      ((IHTMLStyleSheet*)             &(x)->lpHTMLStyleSheetVtbl);
  56 #define HTMLSTYLESHEETSCOL(x)  ((IHTMLStyleSheetsCollection*)  &(x)->lpHTMLStyleSheetsCollectionVtbl);
  57
  58 #define HTMLSTYLESHEETSCOL_THIS(iface) \
  59     DEFINE_THIS(HTMLStyleSheetsCollection, HTMLStyleSheetsCollection, iface)
  60
  61 static HRESULT WINAPI HTMLStyleSheetsCollection_QueryInterface(IHTMLStyleSheetsCollection *iface,
  62          REFIID riid, void **ppv)
  63 {
  64     HTMLStyleSheetsCollection *This = HTMLSTYLESHEETSCOL_THIS(iface);
  65
  66     *ppv = NULL;
  67
  68     if(IsEqualGUID(&IID_IUnknown, riid)) {
  69         TRACE("(%p)->(IID_IUnknown %p)\n", This, ppv);
  70         *ppv = HTMLSTYLESHEETSCOL(This);
  71     }else if(IsEqualGUID(&IID_IDispatch, riid)) {
  72         TRACE("(%p)->(IID_IDispatch %p)\n", This, ppv);
  73         *ppv = HTMLSTYLESHEETSCOL(This);
  74     }else if(IsEqualGUID(&IID_IHTMLStyleSheetsCollection, riid)) {
  75         TRACE("(%p)->(IID_IHTMLStyleSheetsCollection %p)\n", This, ppv);
  76         *ppv = HTMLSTYLESHEETSCOL(This);
  77     }
  78
  79     if(*ppv) {
  80         IUnknown_AddRef((IUnknown*)*ppv);
  81         return S_OK;
  82     }
  83
  84     WARN("unsupported %s\n", debugstr_guid(riid));
  85     return E_NOINTERFACE;
  86 }
  87
  88 static ULONG WINAPI HTMLStyleSheetsCollection_AddRef(IHTMLStyleSheetsCollection *iface)
  89 {
  90     HTMLStyleSheetsCollection *This = HTMLSTYLESHEETSCOL_THIS(iface);
  91     LONG ref = InterlockedIncrement(&This->ref);
  92
  93     TRACE("(%p) ref=%d\n", This, ref);
  94
  95     return ref;
  96 }
  97
  98 static ULONG WINAPI HTMLStyleSheetsCollection_Release(IHTMLStyleSheetsCollection *iface)
  99 {
 100     HTMLStyleSheetsCollection *This = HTMLSTYLESHEETSCOL_THIS(iface);
 101     LONG ref = InterlockedDecrement(&This->ref);
 102
 103     TRACE("(%p) ref=%d\n", This, ref);
 104
 105     if(!ref)
 106         mshtml_free(This);
 107
 108     return ref;
 109 }
 110
 111 static HRESULT WINAPI HTMLStyleSheetsCollection_GetTypeInfoCount(IHTMLStyleSheetsCollection *iface,
 112         UINT *pctinfo)
 113 {
 114     HTMLStyleSheetsCollection *This = HTMLSTYLESHEETSCOL_THIS(iface);
 115     FIXME("(%p)->(%p)\n", This, pctinfo);
 116     return E_NOTIMPL;
 117 }
 118
 119 static HRESULT WINAPI HTMLStyleSheetsCollection_GetTypeInfo(IHTMLStyleSheetsCollection *iface,
 120         UINT iTInfo, LCID lcid, ITypeInfo **ppTInfo)
 121 {
 122     HTMLStyleSheetsCollection *This = HTMLSTYLESHEETSCOL_THIS(iface);
 123     FIXME("(%p)->(%u %u %p)\n", This, iTInfo, lcid, ppTInfo);
 124     return E_NOTIMPL;
 125 }
 126
 127 static HRESULT WINAPI HTMLStyleSheetsCollection_GetIDsOfNames(IHTMLStyleSheetsCollection *iface,
 128         REFIID riid, LPOLESTR *rgszNames, UINT cNames, LCID lcid, DISPID *rgDispId)
 129 {
 130     HTMLStyleSheetsCollection *This = HTMLSTYLESHEETSCOL_THIS(iface);
 131     FIXME("(%p)->(%s %p %u %u %p)\n", This, debugstr_guid(riid), rgszNames, cNames,
 132           lcid, rgDispId);
 133     return E_NOTIMPL;
 134 }
 135
 136 static HRESULT WINAPI HTMLStyleSheetsCollection_Invoke(IHTMLStyleSheetsCollection *iface,
 137         DISPID dispIdMember, REFIID riid, LCID lcid, WORD wFlags, DISPPARAMS *pDispParams,
 138         VARIANT *pVarResult, EXCEPINFO *pExcepInfo, UINT *puArgErr)
 139 {
 140     HTMLStyleSheetsCollection *This = HTMLSTYLESHEETSCOL_THIS(iface);
 141     FIXME("(%p)->(%d %s %d %d %p %p %p %p)\n", This, dispIdMember, debugstr_guid(riid),
 142           lcid, wFlags, pDispParams, pVarResult, pExcepInfo, puArgErr);
 143     return E_NOTIMPL;
 144 }
 145
 146 static HRESULT WINAPI HTMLStyleSheetsCollection_get_length(IHTMLStyleSheetsCollection *iface,
 147         long *p)
 148 {
 149     HTMLStyleSheetsCollection *This = HTMLSTYLESHEETSCOL_THIS(iface);
 150     PRUint32 len = 0;
 151
 152     TRACE("(%p)->(%p)\n", This, p);
 153
 154     if(This->nslist)
 155         nsIDOMStyleSheetList_GetLength(This->nslist, &len);
 156
 157     *p = len;
 158     return S_OK;
 159 }
 160
 161 static HRESULT WINAPI HTMLStyleSheetsCollection_get__newEnum(IHTMLStyleSheetsCollection *iface,
 162         IUnknown **p)
 163 {
 164     HTMLStyleSheetsCollection *This = HTMLSTYLESHEETSCOL_THIS(iface);
 165     FIXME("(%p)->(%p)\n", This, p);
 166     return E_NOTIMPL;
 167 }
 168
 169 static HRESULT WINAPI HTMLStyleSheetsCollection_item(IHTMLStyleSheetsCollection *iface,
 170         VARIANT *pvarIndex, VARIANT *pvarResult)
 171 {
 172     HTMLStyleSheetsCollection *This = HTMLSTYLESHEETSCOL_THIS(iface);
 173
 174     TRACE("(%p)->(%p %p)\n", This, pvarIndex, pvarResult);
 175
 176     switch(V_VT(pvarIndex)) {
 177     case VT_I4: {
 178         nsIDOMStyleSheet *nsstylesheet;
 179         nsresult nsres;
 180
 181         TRACE("index=%d\n", V_I4(pvarIndex));
 182
 183         nsres = nsIDOMStyleSheetList_Item(This->nslist, V_I4(pvarIndex), &nsstylesheet);
 184         if(NS_FAILED(nsres) || !nsstylesheet) {
 185             WARN("Item failed: %08x\n", nsres);
 186             V_VT(pvarResult) = VT_EMPTY;
 187             return E_INVALIDARG;
 188         }
 189
 190         V_VT(pvarResult) = VT_DISPATCH;
 191         V_DISPATCH(pvarResult) = (IDispatch*)HTMLStyleSheet_Create(nsstylesheet);
 192
 193         return S_OK;
 194     }
 195
 196     case VT_BSTR:
 197         FIXME("id=%s not implemented\n", debugstr_w(V_BSTR(pvarResult)));
 198         return E_NOTIMPL;
 199
 200     default:
 201         WARN("Invalid vt=%d\n", V_VT(pvarIndex));
 202     }
 203
 204     return E_INVALIDARG;
 205 }
 206
 207 #undef HTMLSTYLESHEETSCOL_THIS
 208
 209 static const IHTMLStyleSheetsCollectionVtbl HTMLStyleSheetsCollectionVtbl = {
 210     HTMLStyleSheetsCollection_QueryInterface,
 211     HTMLStyleSheetsCollection_AddRef,
 212     HTMLStyleSheetsCollection_Release,
 213     HTMLStyleSheetsCollection_GetTypeInfoCount,
 214     HTMLStyleSheetsCollection_GetTypeInfo,
 215     HTMLStyleSheetsCollection_GetIDsOfNames,
 216     HTMLStyleSheetsCollection_Invoke,
 217     HTMLStyleSheetsCollection_get_length,
 218     HTMLStyleSheetsCollection_get__newEnum,
 219     HTMLStyleSheetsCollection_item
 220 };
 221
 222 IHTMLStyleSheetsCollection *HTMLStyleSheetsCollection_Create(nsIDOMStyleSheetList *nslist)
 223 {
 224     HTMLStyleSheetsCollection *ret = mshtml_alloc(sizeof(HTMLStyleSheetsCollection));
 225
 226     ret->lpHTMLStyleSheetsCollectionVtbl = &HTMLStyleSheetsCollectionVtbl;
 227     ret->ref = 1;
 228
 229     if(nslist)
 230         nsIDOMStyleSheetList_AddRef(nslist);
 231     ret->nslist = nslist;
 232
 233     return HTMLSTYLESHEETSCOL(ret);
 234 }
 235
 236 #define HTMLSTYLESHEET_THIS(iface) DEFINE_THIS(HTMLStyleSheet, HTMLStyleSheet, iface)
 237
 238 static HRESULT WINAPI HTMLStyleSheet_QueryInterface(IHTMLStyleSheet *iface, REFIID riid, void **ppv)
 239 {
 240     HTMLStyleSheet *This = HTMLSTYLESHEET_THIS(iface);
 241
 242     *ppv = NULL;
 243
 244     if(IsEqualGUID(&IID_IUnknown, riid)) {
 245         TRACE("(%p)->(IID_IUnknown %p)\n", This, ppv);
 246         *ppv = HTMLSTYLESHEET(This);
 247     }else if(IsEqualGUID(&IID_IDispatch, riid)) {
 248         TRACE("(%p)->(IID_IDispatch %p)\n", This, ppv);
 249         *ppv = HTMLSTYLESHEET(This);
 250     }else if(IsEqualGUID(&IID_IHTMLStyleSheet, riid)) {
 251         TRACE("(%p)->(IID_IHTMLStyleSheet %p)\n", This, ppv);
 252         *ppv = HTMLSTYLESHEET(This);
 253     }
 254
 255     if(*ppv) {
 256         IUnknown_AddRef((IUnknown*)*ppv);
 257         return S_OK;
 258     }
 259
 260     WARN("unsupported %s\n", debugstr_guid(riid));
 261     return E_NOINTERFACE;
 262 }
 263
 264 static ULONG WINAPI HTMLStyleSheet_AddRef(IHTMLStyleSheet *iface)
 265 {
 266     HTMLStyleSheet *This = HTMLSTYLESHEET_THIS(iface);
 267     LONG ref = InterlockedIncrement(&This->ref);
 268
 269     TRACE("(%p) ref=%d\n", This, ref);
 270
 271     return ref;
 272 }
 273
 274 static ULONG WINAPI HTMLStyleSheet_Release(IHTMLStyleSheet *iface)
 275 {
 276     HTMLStyleSheet *This = HTMLSTYLESHEET_THIS(iface);
 277     LONG ref = InterlockedDecrement(&This->ref);
 278
 279     TRACE("(%p) ref=%d\n", This, ref);
 280
 281     if(!ref)
 282         mshtml_free(This);
 283
 284     return ref;
 285 }
 286
 287 static HRESULT WINAPI HTMLStyleSheet_GetTypeInfoCount(IHTMLStyleSheet *iface, UINT *pctinfo)
 288 {
 289     HTMLStyleSheet *This = HTMLSTYLESHEET_THIS(iface);
 290     FIXME("(%p)->(%p)\n", This, pctinfo);
 291     return E_NOTIMPL;
 292 }
 293
 294 static HRESULT WINAPI HTMLStyleSheet_GetTypeInfo(IHTMLStyleSheet *iface, UINT iTInfo,
 295                                               LCID lcid, ITypeInfo **ppTInfo)
 296 {
 297     HTMLStyleSheet *This = HTMLSTYLESHEET_THIS(iface);
 298     FIXME("(%p)->(%u %u %p)\n", This, iTInfo, lcid, ppTInfo);
 299     return E_NOTIMPL;
 300 }
 301
 302 static HRESULT WINAPI HTMLStyleSheet_GetIDsOfNames(IHTMLStyleSheet *iface, REFIID riid,
 303                                                 LPOLESTR *rgszNames, UINT cNames,
 304                                                 LCID lcid, DISPID *rgDispId)
 305 {
 306     HTMLStyleSheet *This = HTMLSTYLESHEET_THIS(iface);
 307     FIXME("(%p)->(%s %p %u %u %p)\n", This, debugstr_guid(riid), rgszNames, cNames,
 308           lcid, rgDispId);
 309     return E_NOTIMPL;
 310 }
 311
 312 static HRESULT WINAPI HTMLStyleSheet_Invoke(IHTMLStyleSheet *iface, DISPID dispIdMember,
 313                             REFIID riid, LCID lcid, WORD wFlags, DISPPARAMS *pDispParams,
 314                             VARIANT *pVarResult, EXCEPINFO *pExcepInfo, UINT *puArgErr)
 315 {
 316     HTMLStyleSheet *This = HTMLSTYLESHEET_THIS(iface);
 317     FIXME("(%p)->(%d %s %d %d %p %p %p %p)\n", This, dispIdMember, debugstr_guid(riid),
 318           lcid, wFlags, pDispParams, pVarResult, pExcepInfo, puArgErr);
 319     return E_NOTIMPL;
 320 }
 321
 322 static HRESULT WINAPI HTMLStyleSheet_put_title(IHTMLStyleSheet *iface, BSTR v)
 323 {
 324     HTMLStyleSheet *This = HTMLSTYLESHEET_THIS(iface);
 325     FIXME("(%p)->(%s)\n", This, debugstr_w(v));
 326     return E_NOTIMPL;
 327 }
 328
 329 static HRESULT WINAPI HTMLStyleSheet_get_title(IHTMLStyleSheet *iface, BSTR *p)
 330 {
 331     HTMLStyleSheet *This = HTMLSTYLESHEET_THIS(iface);
 332     FIXME("(%p)->(%p)\n", This, p);
 333     return E_NOTIMPL;
 334 }
 335
 336 static HRESULT WINAPI HTMLStyleSheet_get_parentStyleSheet(IHTMLStyleSheet *iface,
 337                                                           IHTMLStyleSheet **p)
 338 {
 339     HTMLStyleSheet *This = HTMLSTYLESHEET_THIS(iface);
 340     FIXME("(%p)->(%p)\n", This, p);
 341     return E_NOTIMPL;
 342 }
 343
 344 static HRESULT WINAPI HTMLStyleSheet_get_owningElement(IHTMLStyleSheet *iface, IHTMLElement **p)
 345 {
 346     HTMLStyleSheet *This = HTMLSTYLESHEET_THIS(iface);
 347     FIXME("(%p)->(%p)\n", This, p);
 348     return E_NOTIMPL;
 349 }
 350
 351 static HRESULT WINAPI HTMLStyleSheet_put_disabled(IHTMLStyleSheet *iface, VARIANT_BOOL v)
 352 {
 353     HTMLStyleSheet *This = HTMLSTYLESHEET_THIS(iface);
 354     FIXME("(%p)->(%x)\n", This, v);
 355     return E_NOTIMPL;
 356 }
 357
 358 static HRESULT WINAPI HTMLStyleSheet_get_disabled(IHTMLStyleSheet *iface, VARIANT_BOOL *p)
 359 {
 360     HTMLStyleSheet *This = HTMLSTYLESHEET_THIS(iface);
 361     FIXME("(%p)->(%p)\n", This, p);
 362     return E_NOTIMPL;
 363 }
 364
 365 static HRESULT WINAPI HTMLStyleSheet_get_readOnly(IHTMLStyleSheet *iface, VARIANT_BOOL *p)
 366 {
 367     HTMLStyleSheet *This = HTMLSTYLESHEET_THIS(iface);
 368     FIXME("(%p)->(%p)\n", This, p);
 369     return E_NOTIMPL;
 370 }
 371
 372 static HRESULT WINAPI HTMLStyleSheet_get_imports(IHTMLStyleSheet *iface,
 373                                                  IHTMLStyleSheetsCollection **p)
 374 {
 375     HTMLStyleSheet *This = HTMLSTYLESHEET_THIS(iface);
 376     FIXME("(%p)->(%p)\n", This, p);
 377     return E_NOTIMPL;
 378 }
 379
 380 static HRESULT WINAPI HTMLStyleSheet_put_href(IHTMLStyleSheet *iface, BSTR v)
 381 {
 382     HTMLStyleSheet *This = HTMLSTYLESHEET_THIS(iface);
 383     FIXME("(%p)->(%s)\n", This, debugstr_w(v));
 384     return E_NOTIMPL;
 385 }
 386
 387 static HRESULT WINAPI HTMLStyleSheet_get_href(IHTMLStyleSheet *iface, BSTR *p)
 388 {
 389     HTMLStyleSheet *This = HTMLSTYLESHEET_THIS(iface);
 390     FIXME("(%p)->(%p)\n", This, p);
 391     return E_NOTIMPL;
 392 }
 393
 394 static HRESULT WINAPI HTMLStyleSheet_get_type(IHTMLStyleSheet *iface, BSTR *p)
 395 {
 396     HTMLStyleSheet *This = HTMLSTYLESHEET_THIS(iface);
 397     FIXME("(%p)->(%p)\n", This, p);
 398     return E_NOTIMPL;
 399 }
 400
 401 static HRESULT WINAPI HTMLStyleSheet_get_id(IHTMLStyleSheet *iface, BSTR *p)
 402 {
 403     HTMLStyleSheet *This = HTMLSTYLESHEET_THIS(iface);
 404     FIXME("(%p)->(%p)\n", This, p);
 405     return E_NOTIMPL;
 406 }
 407
 408 static HRESULT WINAPI HTMLStyleSheet_addImport(IHTMLStyleSheet *iface, BSTR bstrURL,
 409                                                long lIndex, long *plIndex)
 410 {
 411     HTMLStyleSheet *This = HTMLSTYLESHEET_THIS(iface);
 412     FIXME("(%p)->(%s %ld %p)\n", This, debugstr_w(bstrURL), lIndex, plIndex);
 413     return E_NOTIMPL;
 414 }
 415
 416 static HRESULT WINAPI HTMLStyleSheet_addRule(IHTMLStyleSheet *iface, BSTR bstrSelector,
 417                                              BSTR bstrStyle, long lIndex, long *plIndex)
 418 {
 419     HTMLStyleSheet *This = HTMLSTYLESHEET_THIS(iface);
 420     FIXME("(%p)->(%s %s %ld %p)\n", This, debugstr_w(bstrSelector), debugstr_w(bstrStyle),
 421           lIndex, plIndex);
 422     return E_NOTIMPL;
 423 }
 424
 425 static HRESULT WINAPI HTMLStyleSheet_removeImport(IHTMLStyleSheet *iface, long lIndex)
 426 {
 427     HTMLStyleSheet *This = HTMLSTYLESHEET_THIS(iface);
 428     FIXME("(%p)->(%ld)\n", This, lIndex);
 429     return E_NOTIMPL;
 430 }
 431
 432 static HRESULT WINAPI HTMLStyleSheet_removeRule(IHTMLStyleSheet *iface, long lIndex)
 433 {
 434     HTMLStyleSheet *This = HTMLSTYLESHEET_THIS(iface);
 435     FIXME("(%p)->(%ld)\n", This, lIndex);
 436     return E_NOTIMPL;
 437 }
 438
 439 static HRESULT WINAPI HTMLStyleSheet_put_media(IHTMLStyleSheet *iface, BSTR v)
 440 {
 441     HTMLStyleSheet *This = HTMLSTYLESHEET_THIS(iface);
 442     FIXME("(%p)->(%s)\n", This, debugstr_w(v));
 443     return E_NOTIMPL;
 444 }
 445
 446 static HRESULT WINAPI HTMLStyleSheet_get_media(IHTMLStyleSheet *iface, BSTR *p)
 447 {
 448     HTMLStyleSheet *This = HTMLSTYLESHEET_THIS(iface);
 449     FIXME("(%p)->(%p)\n", This, p);
 450     return E_NOTIMPL;
 451 }
 452
 453 static HRESULT WINAPI HTMLStyleSheet_put_cssText(IHTMLStyleSheet *iface, BSTR v)
 454 {
 455     HTMLStyleSheet *This = HTMLSTYLESHEET_THIS(iface);
 456     FIXME("(%p)->(%s)\n", This, debugstr_w(v));
 457     return E_NOTIMPL;
 458 }
 459
 460 static HRESULT WINAPI HTMLStyleSheet_get_cssText(IHTMLStyleSheet *iface, BSTR *p)
 461 {
 462     HTMLStyleSheet *This = HTMLSTYLESHEET_THIS(iface);
 463     FIXME("(%p)->(%p)\n", This, p);
 464     return E_NOTIMPL;
 465 }
 466
 467 static HRESULT WINAPI HTMLStyleSheet_get_rules(IHTMLStyleSheet *iface,
 468                                                IHTMLStyleSheetRulesCollection **p)
 469 {
 470     HTMLStyleSheet *This = HTMLSTYLESHEET_THIS(iface);
 471     FIXME("(%p)->(%p)\n", This, p);
 472     return E_NOTIMPL;
 473 }
 474
 475 static const IHTMLStyleSheetVtbl HTMLStyleSheetVtbl = {
 476     HTMLStyleSheet_QueryInterface,
 477     HTMLStyleSheet_AddRef,
 478     HTMLStyleSheet_Release,
 479     HTMLStyleSheet_GetTypeInfoCount,
 480     HTMLStyleSheet_GetTypeInfo,
 481     HTMLStyleSheet_GetIDsOfNames,
 482     HTMLStyleSheet_Invoke,
 483     HTMLStyleSheet_put_title,
 484     HTMLStyleSheet_get_title,
 485     HTMLStyleSheet_get_parentStyleSheet,
 486     HTMLStyleSheet_get_owningElement,
 487     HTMLStyleSheet_put_disabled,
 488     HTMLStyleSheet_get_disabled,
 489     HTMLStyleSheet_get_readOnly,
 490     HTMLStyleSheet_get_imports,
 491     HTMLStyleSheet_put_href,
 492     HTMLStyleSheet_get_href,
 493     HTMLStyleSheet_get_type,
 494     HTMLStyleSheet_get_id,
 495     HTMLStyleSheet_addImport,
 496     HTMLStyleSheet_addRule,
 497     HTMLStyleSheet_removeImport,
 498     HTMLStyleSheet_removeRule,
 499     HTMLStyleSheet_put_media,
 500     HTMLStyleSheet_get_media,
 501     HTMLStyleSheet_put_cssText,
 502     HTMLStyleSheet_get_cssText,
 503     HTMLStyleSheet_get_rules
 504 };
 505
 506 IHTMLStyleSheet *HTMLStyleSheet_Create(nsIDOMStyleSheet *nsstylesheet)
 507 {
 508     HTMLStyleSheet *ret = mshtml_alloc(sizeof(HTMLStyleSheet));
 509     nsresult nsres;
 510
 511     ret->lpHTMLStyleSheetVtbl = &HTMLStyleSheetVtbl;
 512     ret->ref = 1;
 513     ret->nsstylesheet = NULL;
 514
 515     if(nsstylesheet) {
 516         nsres = nsIDOMStyleSheet_QueryInterface(nsstylesheet, &IID_nsIDOMCSSStyleSheet,
 517                 (void**)&ret->nsstylesheet);
 518         if(NS_FAILED(nsres))
 519             ERR("Could not get nsICSSStyleSheet interface: %08x\n", nsres);
 520     }
 521
 522     return HTMLSTYLESHEET(ret);
 523 }