dlls/mshtml/htmlframebase.c

   1 /*
   2  * Copyright 2008 Jacek Caban for CodeWeavers
   3  *
   4  * This library is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Lesser General Public
   6  * License as published by the Free Software Foundation; either
   7  * version 2.1 of the License, or (at your option) any later version.
   8  *
   9  * This library is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * Lesser General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Lesser General Public
  15  * License along with this library; if not, write to the Free Software
  16  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  17  */
  18
  19 #include <stdarg.h>
  20
  21 #define COBJMACROS
  22
  23 #include "windef.h"
  24 #include "winbase.h"
  25 #include "winuser.h"
  26 #include "ole2.h"
  27
  28 #include "mshtml_private.h"
  29
  30 #include "wine/debug.h"
  31
  32 WINE_DEFAULT_DEBUG_CHANNEL(mshtml);
  33
  34 static const WCHAR autoW[] = {'a','u','t','o',0};
  35 static const WCHAR yesW[] = {'y','e','s',0};
  36 static const WCHAR noW[] = {'n','o',0};
  37
  38 HRESULT set_frame_doc(HTMLFrameBase *frame, nsIDOMDocument *nsdoc)
  39 {
  40     nsIDOMWindow *nswindow;
  41     HTMLOuterWindow *window;
  42     nsresult nsres;
  43     HRESULT hres = S_OK;
  44
  45     if(frame->content_window)
  46         return S_OK;
  47
  48     nsres = nsIDOMDocument_GetDefaultView(nsdoc, &nswindow);
  49     if(NS_FAILED(nsres) || !nswindow)
  50         return E_FAIL;
  51
  52     window = nswindow_to_window(nswindow);
  53     if(!window)
  54         hres = HTMLOuterWindow_Create(frame->element.node.doc->basedoc.doc_obj, nswindow,
  55                 frame->element.node.doc->basedoc.window, &window);
  56     nsIDOMWindow_Release(nswindow);
  57     if(FAILED(hres))
  58         return hres;
  59
  60     frame->content_window = window;
  61     window->frame_element = frame;
  62     return S_OK;
  63 }
  64
  65 static inline HTMLFrameBase *impl_from_IHTMLFrameBase(IHTMLFrameBase *iface)
  66 {
  67     return CONTAINING_RECORD(iface, HTMLFrameBase, IHTMLFrameBase_iface);
  68 }
  69
  70 static HRESULT WINAPI HTMLFrameBase_QueryInterface(IHTMLFrameBase *iface, REFIID riid, void **ppv)
  71 {
  72     HTMLFrameBase *This = impl_from_IHTMLFrameBase(iface);
  73
  74     return IHTMLDOMNode_QueryInterface(&This->element.node.IHTMLDOMNode_iface, riid, ppv);
  75 }
  76
  77 static ULONG WINAPI HTMLFrameBase_AddRef(IHTMLFrameBase *iface)
  78 {
  79     HTMLFrameBase *This = impl_from_IHTMLFrameBase(iface);
  80
  81     return IHTMLDOMNode_AddRef(&This->element.node.IHTMLDOMNode_iface);
  82 }
  83
  84 static ULONG WINAPI HTMLFrameBase_Release(IHTMLFrameBase *iface)
  85 {
  86     HTMLFrameBase *This = impl_from_IHTMLFrameBase(iface);
  87
  88     return IHTMLDOMNode_Release(&This->element.node.IHTMLDOMNode_iface);
  89 }
  90
  91 static HRESULT WINAPI HTMLFrameBase_GetTypeInfoCount(IHTMLFrameBase *iface, UINT *pctinfo)
  92 {
  93     HTMLFrameBase *This = impl_from_IHTMLFrameBase(iface);
  94
  95     return IDispatchEx_GetTypeInfoCount(&This->element.node.dispex.IDispatchEx_iface, pctinfo);
  96 }
  97
  98 static HRESULT WINAPI HTMLFrameBase_GetTypeInfo(IHTMLFrameBase *iface, UINT iTInfo,
  99         LCID lcid, ITypeInfo **ppTInfo)
 100 {
 101     HTMLFrameBase *This = impl_from_IHTMLFrameBase(iface);
 102
 103     return IDispatchEx_GetTypeInfo(&This->element.node.dispex.IDispatchEx_iface, iTInfo, lcid,
 104             ppTInfo);
 105 }
 106
 107 static HRESULT WINAPI HTMLFrameBase_GetIDsOfNames(IHTMLFrameBase *iface, REFIID riid,
 108         LPOLESTR *rgszNames, UINT cNames, LCID lcid, DISPID *rgDispId)
 109 {
 110     HTMLFrameBase *This = impl_from_IHTMLFrameBase(iface);
 111
 112     return IDispatchEx_GetIDsOfNames(&This->element.node.dispex.IDispatchEx_iface, riid, rgszNames,
 113             cNames, lcid, rgDispId);
 114 }
 115
 116 static HRESULT WINAPI HTMLFrameBase_Invoke(IHTMLFrameBase *iface, DISPID dispIdMember,
 117         REFIID riid, LCID lcid, WORD wFlags, DISPPARAMS *pDispParams,
 118         VARIANT *pVarResult, EXCEPINFO *pExcepInfo, UINT *puArgErr)
 119 {
 120     HTMLFrameBase *This = impl_from_IHTMLFrameBase(iface);
 121
 122     return IDispatchEx_Invoke(&This->element.node.dispex.IDispatchEx_iface, dispIdMember, riid,
 123             lcid, wFlags, pDispParams, pVarResult, pExcepInfo, puArgErr);
 124 }
 125
 126 static HRESULT WINAPI HTMLFrameBase_put_src(IHTMLFrameBase *iface, BSTR v)
 127 {
 128     HTMLFrameBase *This = impl_from_IHTMLFrameBase(iface);
 129
 130     TRACE("(%p)->(%s)\n", This, debugstr_w(v));
 131
 132     if(!This->content_window || !This->element.node.doc || !This->element.node.doc->basedoc.window) {
 133         FIXME("detached element\n");
 134         return E_FAIL;
 135     }
 136
 137     return navigate_url(This->content_window, v, This->element.node.doc->basedoc.window->url);
 138 }
 139
 140 static HRESULT WINAPI HTMLFrameBase_get_src(IHTMLFrameBase *iface, BSTR *p)
 141 {
 142     HTMLFrameBase *This = impl_from_IHTMLFrameBase(iface);
 143     FIXME("(%p)->(%p)\n", This, p);
 144     return E_NOTIMPL;
 145 }
 146
 147 static HRESULT WINAPI HTMLFrameBase_put_name(IHTMLFrameBase *iface, BSTR v)
 148 {
 149     HTMLFrameBase *This = impl_from_IHTMLFrameBase(iface);
 150     FIXME("(%p)->(%s)\n", This, debugstr_w(v));
 151     return E_NOTIMPL;
 152 }
 153
 154 static HRESULT WINAPI HTMLFrameBase_get_name(IHTMLFrameBase *iface, BSTR *p)
 155 {
 156     HTMLFrameBase *This = impl_from_IHTMLFrameBase(iface);
 157     nsAString nsstr;
 158     nsresult nsres;
 159
 160     TRACE("(%p)->(%p)\n", This, p);
 161
 162     if(!This->nsframe && !This->nsiframe) {
 163         ERR("No attached ns frame object\n");
 164         return E_UNEXPECTED;
 165     }
 166
 167     nsAString_Init(&nsstr, NULL);
 168     if(This->nsframe)
 169         nsres = nsIDOMHTMLFrameElement_GetName(This->nsframe, &nsstr);
 170     else
 171         nsres = nsIDOMHTMLIFrameElement_GetName(This->nsiframe, &nsstr);
 172     return return_nsstr(nsres, &nsstr, p);
 173 }
 174
 175 static HRESULT WINAPI HTMLFrameBase_put_border(IHTMLFrameBase *iface, VARIANT v)
 176 {
 177     HTMLFrameBase *This = impl_from_IHTMLFrameBase(iface);
 178     FIXME("(%p)->(%s)\n", This, debugstr_variant(&v));
 179     return E_NOTIMPL;
 180 }
 181
 182 static HRESULT WINAPI HTMLFrameBase_get_border(IHTMLFrameBase *iface, VARIANT *p)
 183 {
 184     HTMLFrameBase *This = impl_from_IHTMLFrameBase(iface);
 185     FIXME("(%p)->(%p)\n", This, p);
 186     return E_NOTIMPL;
 187 }
 188
 189 static HRESULT WINAPI HTMLFrameBase_put_frameBorder(IHTMLFrameBase *iface, BSTR v)
 190 {
 191     HTMLFrameBase *This = impl_from_IHTMLFrameBase(iface);
 192     FIXME("(%p)->(%s)\n", This, debugstr_w(v));
 193     return E_NOTIMPL;
 194 }
 195
 196 static HRESULT WINAPI HTMLFrameBase_get_frameBorder(IHTMLFrameBase *iface, BSTR *p)
 197 {
 198     HTMLFrameBase *This = impl_from_IHTMLFrameBase(iface);
 199     FIXME("(%p)->(%p)\n", This, p);
 200     return E_NOTIMPL;
 201 }
 202
 203 static HRESULT WINAPI HTMLFrameBase_put_frameSpacing(IHTMLFrameBase *iface, VARIANT v)
 204 {
 205     HTMLFrameBase *This = impl_from_IHTMLFrameBase(iface);
 206     FIXME("(%p)->(%s)\n", This, debugstr_variant(&v));
 207     return E_NOTIMPL;
 208 }
 209
 210 static HRESULT WINAPI HTMLFrameBase_get_frameSpacing(IHTMLFrameBase *iface, VARIANT *p)
 211 {
 212     HTMLFrameBase *This = impl_from_IHTMLFrameBase(iface);
 213     FIXME("(%p)->(%p)\n", This, p);
 214     return E_NOTIMPL;
 215 }
 216
 217 static HRESULT WINAPI HTMLFrameBase_put_marginWidth(IHTMLFrameBase *iface, VARIANT v)
 218 {
 219     HTMLFrameBase *This = impl_from_IHTMLFrameBase(iface);
 220     FIXME("(%p)->(%s)\n", This, debugstr_variant(&v));
 221     return E_NOTIMPL;
 222 }
 223
 224 static HRESULT WINAPI HTMLFrameBase_get_marginWidth(IHTMLFrameBase *iface, VARIANT *p)
 225 {
 226     HTMLFrameBase *This = impl_from_IHTMLFrameBase(iface);
 227     FIXME("(%p)->(%p)\n", This, p);
 228     return E_NOTIMPL;
 229 }
 230
 231 static HRESULT WINAPI HTMLFrameBase_put_marginHeight(IHTMLFrameBase *iface, VARIANT v)
 232 {
 233     HTMLFrameBase *This = impl_from_IHTMLFrameBase(iface);
 234     FIXME("(%p)->(%s)\n", This, debugstr_variant(&v));
 235     return E_NOTIMPL;
 236 }
 237
 238 static HRESULT WINAPI HTMLFrameBase_get_marginHeight(IHTMLFrameBase *iface, VARIANT *p)
 239 {
 240     HTMLFrameBase *This = impl_from_IHTMLFrameBase(iface);
 241     FIXME("(%p)->(%p)\n", This, p);
 242     return E_NOTIMPL;
 243 }
 244
 245 static HRESULT WINAPI HTMLFrameBase_put_noResize(IHTMLFrameBase *iface, VARIANT_BOOL v)
 246 {
 247     HTMLFrameBase *This = impl_from_IHTMLFrameBase(iface);
 248     FIXME("(%p)->(%x)\n", This, v);
 249     return E_NOTIMPL;
 250 }
 251
 252 static HRESULT WINAPI HTMLFrameBase_get_noResize(IHTMLFrameBase *iface, VARIANT_BOOL *p)
 253 {
 254     HTMLFrameBase *This = impl_from_IHTMLFrameBase(iface);
 255     FIXME("(%p)->(%p)\n", This, p);
 256     return E_NOTIMPL;
 257 }
 258
 259 static HRESULT WINAPI HTMLFrameBase_put_scrolling(IHTMLFrameBase *iface, BSTR v)
 260 {
 261     HTMLFrameBase *This = impl_from_IHTMLFrameBase(iface);
 262     nsAString nsstr;
 263     nsresult nsres;
 264
 265     TRACE("(%p)->(%s)\n", This, debugstr_w(v));
 266
 267     if(!(!strcmpiW(v, yesW) || !strcmpiW(v, noW) || !strcmpiW(v, autoW)))
 268         return E_INVALIDARG;
 269
 270     if(This->nsframe) {
 271         nsAString_InitDepend(&nsstr, v);
 272         nsres = nsIDOMHTMLFrameElement_SetScrolling(This->nsframe, &nsstr);
 273     }else if(This->nsiframe) {
 274         nsAString_InitDepend(&nsstr, v);
 275         nsres = nsIDOMHTMLIFrameElement_SetScrolling(This->nsiframe, &nsstr);
 276     }else {
 277         ERR("No attached ns frame object\n");
 278         return E_UNEXPECTED;
 279     }
 280     nsAString_Finish(&nsstr);
 281
 282     if(NS_FAILED(nsres)) {
 283         ERR("SetScrolling failed: 0x%08x\n", nsres);
 284         return E_FAIL;
 285     }
 286
 287     return S_OK;
 288 }
 289
 290 static HRESULT WINAPI HTMLFrameBase_get_scrolling(IHTMLFrameBase *iface, BSTR *p)
 291 {
 292     HTMLFrameBase *This = impl_from_IHTMLFrameBase(iface);
 293     nsAString nsstr;
 294     const PRUnichar *strdata;
 295     nsresult nsres;
 296
 297     TRACE("(%p)->(%p)\n", This, p);
 298
 299     if(This->nsframe) {
 300         nsAString_Init(&nsstr, NULL);
 301         nsres = nsIDOMHTMLFrameElement_GetScrolling(This->nsframe, &nsstr);
 302     }else if(This->nsiframe) {
 303         nsAString_Init(&nsstr, NULL);
 304         nsres = nsIDOMHTMLIFrameElement_GetScrolling(This->nsiframe, &nsstr);
 305     }else {
 306         ERR("No attached ns frame object\n");
 307         return E_UNEXPECTED;
 308     }
 309
 310     if(NS_FAILED(nsres)) {
 311         ERR("GetScrolling failed: 0x%08x\n", nsres);
 312         nsAString_Finish(&nsstr);
 313         return E_FAIL;
 314     }
 315
 316     nsAString_GetData(&nsstr, &strdata);
 317
 318     if(*strdata)
 319         *p = SysAllocString(strdata);
 320     else
 321         *p = SysAllocString(autoW);
 322
 323     nsAString_Finish(&nsstr);
 324
 325     return *p ? S_OK : E_OUTOFMEMORY;
 326 }
 327
 328 static const IHTMLFrameBaseVtbl HTMLFrameBaseVtbl = {
 329     HTMLFrameBase_QueryInterface,
 330     HTMLFrameBase_AddRef,
 331     HTMLFrameBase_Release,
 332     HTMLFrameBase_GetTypeInfoCount,
 333     HTMLFrameBase_GetTypeInfo,
 334     HTMLFrameBase_GetIDsOfNames,
 335     HTMLFrameBase_Invoke,
 336     HTMLFrameBase_put_src,
 337     HTMLFrameBase_get_src,
 338     HTMLFrameBase_put_name,
 339     HTMLFrameBase_get_name,
 340     HTMLFrameBase_put_border,
 341     HTMLFrameBase_get_border,
 342     HTMLFrameBase_put_frameBorder,
 343     HTMLFrameBase_get_frameBorder,
 344     HTMLFrameBase_put_frameSpacing,
 345     HTMLFrameBase_get_frameSpacing,
 346     HTMLFrameBase_put_marginWidth,
 347     HTMLFrameBase_get_marginWidth,
 348     HTMLFrameBase_put_marginHeight,
 349     HTMLFrameBase_get_marginHeight,
 350     HTMLFrameBase_put_noResize,
 351     HTMLFrameBase_get_noResize,
 352     HTMLFrameBase_put_scrolling,
 353     HTMLFrameBase_get_scrolling
 354 };
 355
 356 static inline HTMLFrameBase *impl_from_IHTMLFrameBase2(IHTMLFrameBase2 *iface)
 357 {
 358     return CONTAINING_RECORD(iface, HTMLFrameBase, IHTMLFrameBase2_iface);
 359 }
 360
 361 static HRESULT WINAPI HTMLFrameBase2_QueryInterface(IHTMLFrameBase2 *iface, REFIID riid, void **ppv)
 362 {
 363     HTMLFrameBase *This = impl_from_IHTMLFrameBase2(iface);
 364
 365     return IHTMLDOMNode_QueryInterface(&This->element.node.IHTMLDOMNode_iface, riid, ppv);
 366 }
 367
 368 static ULONG WINAPI HTMLFrameBase2_AddRef(IHTMLFrameBase2 *iface)
 369 {
 370     HTMLFrameBase *This = impl_from_IHTMLFrameBase2(iface);
 371
 372     return IHTMLDOMNode_AddRef(&This->element.node.IHTMLDOMNode_iface);
 373 }
 374
 375 static ULONG WINAPI HTMLFrameBase2_Release(IHTMLFrameBase2 *iface)
 376 {
 377     HTMLFrameBase *This = impl_from_IHTMLFrameBase2(iface);
 378
 379     return IHTMLDOMNode_Release(&This->element.node.IHTMLDOMNode_iface);
 380 }
 381
 382 static HRESULT WINAPI HTMLFrameBase2_GetTypeInfoCount(IHTMLFrameBase2 *iface, UINT *pctinfo)
 383 {
 384     HTMLFrameBase *This = impl_from_IHTMLFrameBase2(iface);
 385     FIXME("(%p)\n", This);
 386     return E_NOTIMPL;
 387 }
 388
 389 static HRESULT WINAPI HTMLFrameBase2_GetTypeInfo(IHTMLFrameBase2 *iface, UINT iTInfo,
 390         LCID lcid, ITypeInfo **ppTInfo)
 391 {
 392     HTMLFrameBase *This = impl_from_IHTMLFrameBase2(iface);
 393     FIXME("(%p)\n", This);
 394     return E_NOTIMPL;
 395 }
 396
 397 static HRESULT WINAPI HTMLFrameBase2_GetIDsOfNames(IHTMLFrameBase2 *iface, REFIID riid,
 398         LPOLESTR *rgszNames, UINT cNames, LCID lcid, DISPID *rgDispId)
 399 {
 400     HTMLFrameBase *This = impl_from_IHTMLFrameBase2(iface);
 401     FIXME("(%p)\n", This);
 402     return E_NOTIMPL;
 403 }
 404
 405 static HRESULT WINAPI HTMLFrameBase2_Invoke(IHTMLFrameBase2 *iface, DISPID dispIdMember,
 406         REFIID riid, LCID lcid, WORD wFlags, DISPPARAMS *pDispParams,
 407         VARIANT *pVarResult, EXCEPINFO *pExcepInfo, UINT *puArgErr)
 408 {
 409     HTMLFrameBase *This = impl_from_IHTMLFrameBase2(iface);
 410     FIXME("(%p)\n", This);
 411     return E_NOTIMPL;
 412 }
 413
 414 static HRESULT WINAPI HTMLFrameBase2_get_contentWindow(IHTMLFrameBase2 *iface, IHTMLWindow2 **p)
 415 {
 416     HTMLFrameBase *This = impl_from_IHTMLFrameBase2(iface);
 417
 418     TRACE("(%p)->(%p)\n", This, p);
 419
 420     if(This->content_window) {
 421         IHTMLWindow2_AddRef(&This->content_window->base.IHTMLWindow2_iface);
 422         *p = &This->content_window->base.IHTMLWindow2_iface;
 423     }else {
 424         WARN("NULL content window\n");
 425         *p = NULL;
 426     }
 427     return S_OK;
 428 }
 429
 430 static HRESULT WINAPI HTMLFrameBase2_put_onload(IHTMLFrameBase2 *iface, VARIANT v)
 431 {
 432     HTMLFrameBase *This = impl_from_IHTMLFrameBase2(iface);
 433     FIXME("(%p)->(%s)\n", This, debugstr_variant(&v));
 434     return E_NOTIMPL;
 435 }
 436
 437 static HRESULT WINAPI HTMLFrameBase2_get_onload(IHTMLFrameBase2 *iface, VARIANT *p)
 438 {
 439     HTMLFrameBase *This = impl_from_IHTMLFrameBase2(iface);
 440     FIXME("(%p)->(%p)\n", This, p);
 441     return E_NOTIMPL;
 442 }
 443
 444 static HRESULT WINAPI HTMLFrameBase2_put_onreadystatechange(IHTMLFrameBase2 *iface, VARIANT v)
 445 {
 446     HTMLFrameBase *This = impl_from_IHTMLFrameBase2(iface);
 447     FIXME("(%p)->(%s)\n", This, debugstr_variant(&v));
 448     return E_NOTIMPL;
 449 }
 450
 451 static HRESULT WINAPI HTMLFrameBase2_get_onreadystatechange(IHTMLFrameBase2 *iface, VARIANT *p)
 452 {
 453     HTMLFrameBase *This = impl_from_IHTMLFrameBase2(iface);
 454     FIXME("(%p)->(%p)\n", This, p);
 455     return E_NOTIMPL;
 456 }
 457
 458 static HRESULT WINAPI HTMLFrameBase2_get_readyState(IHTMLFrameBase2 *iface, BSTR *p)
 459 {
 460     HTMLFrameBase *This = impl_from_IHTMLFrameBase2(iface);
 461
 462     TRACE("(%p)->(%p)\n", This, p);
 463
 464     if(!This->content_window || !This->content_window->doc) {
 465         FIXME("no document associated\n");
 466         return E_FAIL;
 467     }
 468
 469     return IHTMLDocument2_get_readyState(&This->content_window->doc->basedoc.IHTMLDocument2_iface, p);
 470 }
 471
 472 static HRESULT WINAPI HTMLFrameBase2_put_allowTransparency(IHTMLFrameBase2 *iface, VARIANT_BOOL v)
 473 {
 474     HTMLFrameBase *This = impl_from_IHTMLFrameBase2(iface);
 475     FIXME("(%p)->(%x)\n", This, v);
 476     return E_NOTIMPL;
 477 }
 478
 479 static HRESULT WINAPI HTMLFrameBase2_get_allowTransparency(IHTMLFrameBase2 *iface, VARIANT_BOOL *p)
 480 {
 481     HTMLFrameBase *This = impl_from_IHTMLFrameBase2(iface);
 482     FIXME("(%p)->(%p)\n", This, p);
 483     return E_NOTIMPL;
 484 }
 485
 486 static const IHTMLFrameBase2Vtbl HTMLFrameBase2Vtbl = {
 487     HTMLFrameBase2_QueryInterface,
 488     HTMLFrameBase2_AddRef,
 489     HTMLFrameBase2_Release,
 490     HTMLFrameBase2_GetTypeInfoCount,
 491     HTMLFrameBase2_GetTypeInfo,
 492     HTMLFrameBase2_GetIDsOfNames,
 493     HTMLFrameBase2_Invoke,
 494     HTMLFrameBase2_get_contentWindow,
 495     HTMLFrameBase2_put_onload,
 496     HTMLFrameBase2_get_onload,
 497     HTMLFrameBase2_put_onreadystatechange,
 498     HTMLFrameBase2_get_onreadystatechange,
 499     HTMLFrameBase2_get_readyState,
 500     HTMLFrameBase2_put_allowTransparency,
 501     HTMLFrameBase2_get_allowTransparency
 502 };
 503
 504 HRESULT HTMLFrameBase_QI(HTMLFrameBase *This, REFIID riid, void **ppv)
 505 {
 506     if(IsEqualGUID(&IID_IHTMLFrameBase, riid)) {
 507         TRACE("(%p)->(IID_IHTMLFrameBase %p)\n", This, ppv);
 508         *ppv = &This->IHTMLFrameBase_iface;
 509     }else if(IsEqualGUID(&IID_IHTMLFrameBase2, riid)) {
 510         TRACE("(%p)->(IID_IHTMLFrameBase2 %p)\n", This, ppv);
 511         *ppv = &This->IHTMLFrameBase2_iface;
 512     }else {
 513         return HTMLElement_QI(&This->element.node, riid, ppv);
 514     }
 515
 516     IUnknown_AddRef((IUnknown*)*ppv);
 517     return S_OK;
 518 }
 519
 520 void HTMLFrameBase_destructor(HTMLFrameBase *This)
 521 {
 522     if(This->content_window)
 523         This->content_window->frame_element = NULL;
 524
 525     if(This->nsframe)
 526         nsIDOMHTMLFrameElement_Release(This->nsframe);
 527     if(This->nsiframe)
 528         nsIDOMHTMLIFrameElement_Release(This->nsiframe);
 529
 530     HTMLElement_destructor(&This->element.node);
 531 }
 532
 533 void HTMLFrameBase_Init(HTMLFrameBase *This, HTMLDocumentNode *doc, nsIDOMHTMLElement *nselem,
 534         dispex_static_data_t *dispex_data)
 535 {
 536     nsresult nsres;
 537
 538     This->IHTMLFrameBase_iface.lpVtbl = &HTMLFrameBaseVtbl;
 539     This->IHTMLFrameBase2_iface.lpVtbl = &HTMLFrameBase2Vtbl;
 540
 541     HTMLElement_Init(&This->element, doc, nselem, dispex_data);
 542
 543     nsres = nsIDOMHTMLElement_QueryInterface(nselem, &IID_nsIDOMHTMLFrameElement, (void**)&This->nsframe);
 544     if(NS_FAILED(nsres)) {
 545         nsres = nsIDOMHTMLElement_QueryInterface(nselem, &IID_nsIDOMHTMLIFrameElement, (void**)&This->nsiframe);
 546         if(NS_FAILED(nsres))
 547             ERR("Could not get nsIDOMHTML[I]Frame interface\n");
 548     }else
 549         This->nsiframe = NULL;
 550 }