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 #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 "mshtml_private.h"
  30
  31 #include "wine/debug.h"
  32
  33 WINE_DEFAULT_DEBUG_CHANNEL(mshtml);
  34
  35 static const WCHAR autoW[] = {'a','u','t','o',0};
  36 static const WCHAR yesW[] = {'y','e','s',0};
  37 static const WCHAR noW[] = {'n','o',0};
  38
  39 HRESULT set_frame_doc(HTMLFrameBase *frame, nsIDOMDocument *nsdoc)
  40 {
  41     nsIDOMWindow *nswindow;
  42     HTMLOuterWindow *window;
  43     nsresult nsres;
  44     HRESULT hres = S_OK;
  45
  46     if(frame->content_window)
  47         return S_OK;
  48
  49     nsres = nsIDOMDocument_GetDefaultView(nsdoc, &nswindow);
  50     if(NS_FAILED(nsres) || !nswindow)
  51         return E_FAIL;
  52
  53     window = nswindow_to_window(nswindow);
  54     if(!window)
  55         hres = HTMLOuterWindow_Create(frame->element.node.doc->basedoc.doc_obj, nswindow,
  56                 frame->element.node.doc->basedoc.window, &window);
  57     nsIDOMWindow_Release(nswindow);
  58     if(FAILED(hres))
  59         return hres;
  60
  61     frame->content_window = window;
  62     window->frame_element = frame;
  63     return S_OK;
  64 }
  65
  66 static inline HTMLFrameBase *impl_from_IHTMLFrameBase(IHTMLFrameBase *iface)
  67 {
  68     return CONTAINING_RECORD(iface, HTMLFrameBase, IHTMLFrameBase_iface);
  69 }
  70
  71 static HRESULT WINAPI HTMLFrameBase_QueryInterface(IHTMLFrameBase *iface, REFIID riid, void **ppv)
  72 {
  73     HTMLFrameBase *This = impl_from_IHTMLFrameBase(iface);
  74
  75     return IHTMLDOMNode_QueryInterface(&This->element.node.IHTMLDOMNode_iface, riid, ppv);
  76 }
  77
  78 static ULONG WINAPI HTMLFrameBase_AddRef(IHTMLFrameBase *iface)
  79 {
  80     HTMLFrameBase *This = impl_from_IHTMLFrameBase(iface);
  81
  82     return IHTMLDOMNode_AddRef(&This->element.node.IHTMLDOMNode_iface);
  83 }
  84
  85 static ULONG WINAPI HTMLFrameBase_Release(IHTMLFrameBase *iface)
  86 {
  87     HTMLFrameBase *This = impl_from_IHTMLFrameBase(iface);
  88
  89     return IHTMLDOMNode_Release(&This->element.node.IHTMLDOMNode_iface);
  90 }
  91
  92 static HRESULT WINAPI HTMLFrameBase_GetTypeInfoCount(IHTMLFrameBase *iface, UINT *pctinfo)
  93 {
  94     HTMLFrameBase *This = impl_from_IHTMLFrameBase(iface);
  95
  96     return IDispatchEx_GetTypeInfoCount(&This->element.node.dispex.IDispatchEx_iface, pctinfo);
  97 }
  98
  99 static HRESULT WINAPI HTMLFrameBase_GetTypeInfo(IHTMLFrameBase *iface, UINT iTInfo,
 100         LCID lcid, ITypeInfo **ppTInfo)
 101 {
 102     HTMLFrameBase *This = impl_from_IHTMLFrameBase(iface);
 103
 104     return IDispatchEx_GetTypeInfo(&This->element.node.dispex.IDispatchEx_iface, iTInfo, lcid,
 105             ppTInfo);
 106 }
 107
 108 static HRESULT WINAPI HTMLFrameBase_GetIDsOfNames(IHTMLFrameBase *iface, REFIID riid,
 109         LPOLESTR *rgszNames, UINT cNames, LCID lcid, DISPID *rgDispId)
 110 {
 111     HTMLFrameBase *This = impl_from_IHTMLFrameBase(iface);
 112
 113     return IDispatchEx_GetIDsOfNames(&This->element.node.dispex.IDispatchEx_iface, riid, rgszNames,
 114             cNames, lcid, rgDispId);
 115 }
 116
 117 static HRESULT WINAPI HTMLFrameBase_Invoke(IHTMLFrameBase *iface, DISPID dispIdMember,
 118         REFIID riid, LCID lcid, WORD wFlags, DISPPARAMS *pDispParams,
 119         VARIANT *pVarResult, EXCEPINFO *pExcepInfo, UINT *puArgErr)
 120 {
 121     HTMLFrameBase *This = impl_from_IHTMLFrameBase(iface);
 122
 123     return IDispatchEx_Invoke(&This->element.node.dispex.IDispatchEx_iface, dispIdMember, riid,
 124             lcid, wFlags, pDispParams, pVarResult, pExcepInfo, puArgErr);
 125 }
 126
 127 static HRESULT WINAPI HTMLFrameBase_put_src(IHTMLFrameBase *iface, BSTR v)
 128 {
 129     HTMLFrameBase *This = impl_from_IHTMLFrameBase(iface);
 130
 131     TRACE("(%p)->(%s)\n", This, debugstr_w(v));
 132
 133     if(!This->content_window || !This->element.node.doc || !This->element.node.doc->basedoc.window) {
 134         FIXME("detached element\n");
 135         return E_FAIL;
 136     }
 137
 138     return navigate_url(This->content_window, v, This->element.node.doc->basedoc.window->url);
 139 }
 140
 141 static HRESULT WINAPI HTMLFrameBase_get_src(IHTMLFrameBase *iface, BSTR *p)
 142 {
 143     HTMLFrameBase *This = impl_from_IHTMLFrameBase(iface);
 144     FIXME("(%p)->(%p)\n", This, p);
 145     return E_NOTIMPL;
 146 }
 147
 148 static HRESULT WINAPI HTMLFrameBase_put_name(IHTMLFrameBase *iface, BSTR v)
 149 {
 150     HTMLFrameBase *This = impl_from_IHTMLFrameBase(iface);
 151     FIXME("(%p)->(%s)\n", This, debugstr_w(v));
 152     return E_NOTIMPL;
 153 }
 154
 155 static HRESULT WINAPI HTMLFrameBase_get_name(IHTMLFrameBase *iface, BSTR *p)
 156 {
 157     HTMLFrameBase *This = impl_from_IHTMLFrameBase(iface);
 158     nsAString nsstr;
 159     nsresult nsres;
 160
 161     TRACE("(%p)->(%p)\n", This, p);
 162
 163     if(!This->nsframe && !This->nsiframe) {
 164         ERR("No attached ns frame object\n");
 165         return E_UNEXPECTED;
 166     }
 167
 168     nsAString_Init(&nsstr, NULL);
 169     if(This->nsframe)
 170         nsres = nsIDOMHTMLFrameElement_GetName(This->nsframe, &nsstr);
 171     else
 172         nsres = nsIDOMHTMLIFrameElement_GetName(This->nsiframe, &nsstr);
 173     return return_nsstr(nsres, &nsstr, p);
 174 }
 175
 176 static HRESULT WINAPI HTMLFrameBase_put_border(IHTMLFrameBase *iface, VARIANT v)
 177 {
 178     HTMLFrameBase *This = impl_from_IHTMLFrameBase(iface);
 179     FIXME("(%p)->(%s)\n", This, debugstr_variant(&v));
 180     return E_NOTIMPL;
 181 }
 182
 183 static HRESULT WINAPI HTMLFrameBase_get_border(IHTMLFrameBase *iface, VARIANT *p)
 184 {
 185     HTMLFrameBase *This = impl_from_IHTMLFrameBase(iface);
 186     FIXME("(%p)->(%p)\n", This, p);
 187     return E_NOTIMPL;
 188 }
 189
 190 static HRESULT WINAPI HTMLFrameBase_put_frameBorder(IHTMLFrameBase *iface, BSTR v)
 191 {
 192     HTMLFrameBase *This = impl_from_IHTMLFrameBase(iface);
 193     FIXME("(%p)->(%s)\n", This, debugstr_w(v));
 194     return E_NOTIMPL;
 195 }
 196
 197 static HRESULT WINAPI HTMLFrameBase_get_frameBorder(IHTMLFrameBase *iface, BSTR *p)
 198 {
 199     HTMLFrameBase *This = impl_from_IHTMLFrameBase(iface);
 200     FIXME("(%p)->(%p)\n", This, p);
 201     return E_NOTIMPL;
 202 }
 203
 204 static HRESULT WINAPI HTMLFrameBase_put_frameSpacing(IHTMLFrameBase *iface, VARIANT v)
 205 {
 206     HTMLFrameBase *This = impl_from_IHTMLFrameBase(iface);
 207     FIXME("(%p)->(%s)\n", This, debugstr_variant(&v));
 208     return E_NOTIMPL;
 209 }
 210
 211 static HRESULT WINAPI HTMLFrameBase_get_frameSpacing(IHTMLFrameBase *iface, VARIANT *p)
 212 {
 213     HTMLFrameBase *This = impl_from_IHTMLFrameBase(iface);
 214     FIXME("(%p)->(%p)\n", This, p);
 215     return E_NOTIMPL;
 216 }
 217
 218 static HRESULT WINAPI HTMLFrameBase_put_marginWidth(IHTMLFrameBase *iface, VARIANT v)
 219 {
 220     HTMLFrameBase *This = impl_from_IHTMLFrameBase(iface);
 221     FIXME("(%p)->(%s)\n", This, debugstr_variant(&v));
 222     return E_NOTIMPL;
 223 }
 224
 225 static HRESULT WINAPI HTMLFrameBase_get_marginWidth(IHTMLFrameBase *iface, VARIANT *p)
 226 {
 227     HTMLFrameBase *This = impl_from_IHTMLFrameBase(iface);
 228     FIXME("(%p)->(%p)\n", This, p);
 229     return E_NOTIMPL;
 230 }
 231
 232 static HRESULT WINAPI HTMLFrameBase_put_marginHeight(IHTMLFrameBase *iface, VARIANT v)
 233 {
 234     HTMLFrameBase *This = impl_from_IHTMLFrameBase(iface);
 235     FIXME("(%p)->(%s)\n", This, debugstr_variant(&v));
 236     return E_NOTIMPL;
 237 }
 238
 239 static HRESULT WINAPI HTMLFrameBase_get_marginHeight(IHTMLFrameBase *iface, VARIANT *p)
 240 {
 241     HTMLFrameBase *This = impl_from_IHTMLFrameBase(iface);
 242     FIXME("(%p)->(%p)\n", This, p);
 243     return E_NOTIMPL;
 244 }
 245
 246 static HRESULT WINAPI HTMLFrameBase_put_noResize(IHTMLFrameBase *iface, VARIANT_BOOL v)
 247 {
 248     HTMLFrameBase *This = impl_from_IHTMLFrameBase(iface);
 249     FIXME("(%p)->(%x)\n", This, v);
 250     return E_NOTIMPL;
 251 }
 252
 253 static HRESULT WINAPI HTMLFrameBase_get_noResize(IHTMLFrameBase *iface, VARIANT_BOOL *p)
 254 {
 255     HTMLFrameBase *This = impl_from_IHTMLFrameBase(iface);
 256     FIXME("(%p)->(%p)\n", This, p);
 257     return E_NOTIMPL;
 258 }
 259
 260 static HRESULT WINAPI HTMLFrameBase_put_scrolling(IHTMLFrameBase *iface, BSTR v)
 261 {
 262     HTMLFrameBase *This = impl_from_IHTMLFrameBase(iface);
 263     nsAString nsstr;
 264     nsresult nsres;
 265
 266     TRACE("(%p)->(%s)\n", This, debugstr_w(v));
 267
 268     if(!(!strcmpiW(v, yesW) || !strcmpiW(v, noW) || !strcmpiW(v, autoW)))
 269         return E_INVALIDARG;
 270
 271     if(This->nsframe) {
 272         nsAString_InitDepend(&nsstr, v);
 273         nsres = nsIDOMHTMLFrameElement_SetScrolling(This->nsframe, &nsstr);
 274     }else if(This->nsiframe) {
 275         nsAString_InitDepend(&nsstr, v);
 276         nsres = nsIDOMHTMLIFrameElement_SetScrolling(This->nsiframe, &nsstr);
 277     }else {
 278         ERR("No attached ns frame object\n");
 279         return E_UNEXPECTED;
 280     }
 281     nsAString_Finish(&nsstr);
 282
 283     if(NS_FAILED(nsres)) {
 284         ERR("SetScrolling failed: 0x%08x\n", nsres);
 285         return E_FAIL;
 286     }
 287
 288     return S_OK;
 289 }
 290
 291 static HRESULT WINAPI HTMLFrameBase_get_scrolling(IHTMLFrameBase *iface, BSTR *p)
 292 {
 293     HTMLFrameBase *This = impl_from_IHTMLFrameBase(iface);
 294     nsAString nsstr;
 295     const PRUnichar *strdata;
 296     nsresult nsres;
 297
 298     TRACE("(%p)->(%p)\n", This, p);
 299
 300     if(This->nsframe) {
 301         nsAString_Init(&nsstr, NULL);
 302         nsres = nsIDOMHTMLFrameElement_GetScrolling(This->nsframe, &nsstr);
 303     }else if(This->nsiframe) {
 304         nsAString_Init(&nsstr, NULL);
 305         nsres = nsIDOMHTMLIFrameElement_GetScrolling(This->nsiframe, &nsstr);
 306     }else {
 307         ERR("No attached ns frame object\n");
 308         return E_UNEXPECTED;
 309     }
 310
 311     if(NS_FAILED(nsres)) {
 312         ERR("GetScrolling failed: 0x%08x\n", nsres);
 313         nsAString_Finish(&nsstr);
 314         return E_FAIL;
 315     }
 316
 317     nsAString_GetData(&nsstr, &strdata);
 318
 319     if(*strdata)
 320         *p = SysAllocString(strdata);
 321     else
 322         *p = SysAllocString(autoW);
 323
 324     nsAString_Finish(&nsstr);
 325
 326     return *p ? S_OK : E_OUTOFMEMORY;
 327 }
 328
 329 static const IHTMLFrameBaseVtbl HTMLFrameBaseVtbl = {
 330     HTMLFrameBase_QueryInterface,
 331     HTMLFrameBase_AddRef,
 332     HTMLFrameBase_Release,
 333     HTMLFrameBase_GetTypeInfoCount,
 334     HTMLFrameBase_GetTypeInfo,
 335     HTMLFrameBase_GetIDsOfNames,
 336     HTMLFrameBase_Invoke,
 337     HTMLFrameBase_put_src,
 338     HTMLFrameBase_get_src,
 339     HTMLFrameBase_put_name,
 340     HTMLFrameBase_get_name,
 341     HTMLFrameBase_put_border,
 342     HTMLFrameBase_get_border,
 343     HTMLFrameBase_put_frameBorder,
 344     HTMLFrameBase_get_frameBorder,
 345     HTMLFrameBase_put_frameSpacing,
 346     HTMLFrameBase_get_frameSpacing,
 347     HTMLFrameBase_put_marginWidth,
 348     HTMLFrameBase_get_marginWidth,
 349     HTMLFrameBase_put_marginHeight,
 350     HTMLFrameBase_get_marginHeight,
 351     HTMLFrameBase_put_noResize,
 352     HTMLFrameBase_get_noResize,
 353     HTMLFrameBase_put_scrolling,
 354     HTMLFrameBase_get_scrolling
 355 };
 356
 357 static inline HTMLFrameBase *impl_from_IHTMLFrameBase2(IHTMLFrameBase2 *iface)
 358 {
 359     return CONTAINING_RECORD(iface, HTMLFrameBase, IHTMLFrameBase2_iface);
 360 }
 361
 362 static HRESULT WINAPI HTMLFrameBase2_QueryInterface(IHTMLFrameBase2 *iface, REFIID riid, void **ppv)
 363 {
 364     HTMLFrameBase *This = impl_from_IHTMLFrameBase2(iface);
 365
 366     return IHTMLDOMNode_QueryInterface(&This->element.node.IHTMLDOMNode_iface, riid, ppv);
 367 }
 368
 369 static ULONG WINAPI HTMLFrameBase2_AddRef(IHTMLFrameBase2 *iface)
 370 {
 371     HTMLFrameBase *This = impl_from_IHTMLFrameBase2(iface);
 372
 373     return IHTMLDOMNode_AddRef(&This->element.node.IHTMLDOMNode_iface);
 374 }
 375
 376 static ULONG WINAPI HTMLFrameBase2_Release(IHTMLFrameBase2 *iface)
 377 {
 378     HTMLFrameBase *This = impl_from_IHTMLFrameBase2(iface);
 379
 380     return IHTMLDOMNode_Release(&This->element.node.IHTMLDOMNode_iface);
 381 }
 382
 383 static HRESULT WINAPI HTMLFrameBase2_GetTypeInfoCount(IHTMLFrameBase2 *iface, UINT *pctinfo)
 384 {
 385     HTMLFrameBase *This = impl_from_IHTMLFrameBase2(iface);
 386     FIXME("(%p)\n", This);
 387     return E_NOTIMPL;
 388 }
 389
 390 static HRESULT WINAPI HTMLFrameBase2_GetTypeInfo(IHTMLFrameBase2 *iface, UINT iTInfo,
 391         LCID lcid, ITypeInfo **ppTInfo)
 392 {
 393     HTMLFrameBase *This = impl_from_IHTMLFrameBase2(iface);
 394     FIXME("(%p)\n", This);
 395     return E_NOTIMPL;
 396 }
 397
 398 static HRESULT WINAPI HTMLFrameBase2_GetIDsOfNames(IHTMLFrameBase2 *iface, REFIID riid,
 399         LPOLESTR *rgszNames, UINT cNames, LCID lcid, DISPID *rgDispId)
 400 {
 401     HTMLFrameBase *This = impl_from_IHTMLFrameBase2(iface);
 402     FIXME("(%p)\n", This);
 403     return E_NOTIMPL;
 404 }
 405
 406 static HRESULT WINAPI HTMLFrameBase2_Invoke(IHTMLFrameBase2 *iface, DISPID dispIdMember,
 407         REFIID riid, LCID lcid, WORD wFlags, DISPPARAMS *pDispParams,
 408         VARIANT *pVarResult, EXCEPINFO *pExcepInfo, UINT *puArgErr)
 409 {
 410     HTMLFrameBase *This = impl_from_IHTMLFrameBase2(iface);
 411     FIXME("(%p)\n", This);
 412     return E_NOTIMPL;
 413 }
 414
 415 static HRESULT WINAPI HTMLFrameBase2_get_contentWindow(IHTMLFrameBase2 *iface, IHTMLWindow2 **p)
 416 {
 417     HTMLFrameBase *This = impl_from_IHTMLFrameBase2(iface);
 418
 419     TRACE("(%p)->(%p)\n", This, p);
 420
 421     if(This->content_window) {
 422         IHTMLWindow2_AddRef(&This->content_window->base.IHTMLWindow2_iface);
 423         *p = &This->content_window->base.IHTMLWindow2_iface;
 424     }else {
 425         WARN("NULL content window\n");
 426         *p = NULL;
 427     }
 428     return S_OK;
 429 }
 430
 431 static HRESULT WINAPI HTMLFrameBase2_put_onload(IHTMLFrameBase2 *iface, VARIANT v)
 432 {
 433     HTMLFrameBase *This = impl_from_IHTMLFrameBase2(iface);
 434     FIXME("(%p)->(%s)\n", This, debugstr_variant(&v));
 435     return E_NOTIMPL;
 436 }
 437
 438 static HRESULT WINAPI HTMLFrameBase2_get_onload(IHTMLFrameBase2 *iface, VARIANT *p)
 439 {
 440     HTMLFrameBase *This = impl_from_IHTMLFrameBase2(iface);
 441     FIXME("(%p)->(%p)\n", This, p);
 442     return E_NOTIMPL;
 443 }
 444
 445 static HRESULT WINAPI HTMLFrameBase2_put_onreadystatechange(IHTMLFrameBase2 *iface, VARIANT v)
 446 {
 447     HTMLFrameBase *This = impl_from_IHTMLFrameBase2(iface);
 448     FIXME("(%p)->(%s)\n", This, debugstr_variant(&v));
 449     return E_NOTIMPL;
 450 }
 451
 452 static HRESULT WINAPI HTMLFrameBase2_get_onreadystatechange(IHTMLFrameBase2 *iface, VARIANT *p)
 453 {
 454     HTMLFrameBase *This = impl_from_IHTMLFrameBase2(iface);
 455     FIXME("(%p)->(%p)\n", This, p);
 456     return E_NOTIMPL;
 457 }
 458
 459 static HRESULT WINAPI HTMLFrameBase2_get_readyState(IHTMLFrameBase2 *iface, BSTR *p)
 460 {
 461     HTMLFrameBase *This = impl_from_IHTMLFrameBase2(iface);
 462
 463     TRACE("(%p)->(%p)\n", This, p);
 464
 465     if(!This->content_window || !This->content_window->base.inner_window->doc) {
 466         FIXME("no document associated\n");
 467         return E_FAIL;
 468     }
 469
 470     return IHTMLDocument2_get_readyState(&This->content_window->base.inner_window->doc->basedoc.IHTMLDocument2_iface, p);
 471 }
 472
 473 static HRESULT WINAPI HTMLFrameBase2_put_allowTransparency(IHTMLFrameBase2 *iface, VARIANT_BOOL v)
 474 {
 475     HTMLFrameBase *This = impl_from_IHTMLFrameBase2(iface);
 476     FIXME("(%p)->(%x)\n", This, v);
 477     return E_NOTIMPL;
 478 }
 479
 480 static HRESULT WINAPI HTMLFrameBase2_get_allowTransparency(IHTMLFrameBase2 *iface, VARIANT_BOOL *p)
 481 {
 482     HTMLFrameBase *This = impl_from_IHTMLFrameBase2(iface);
 483     FIXME("(%p)->(%p)\n", This, p);
 484     return E_NOTIMPL;
 485 }
 486
 487 static const IHTMLFrameBase2Vtbl HTMLFrameBase2Vtbl = {
 488     HTMLFrameBase2_QueryInterface,
 489     HTMLFrameBase2_AddRef,
 490     HTMLFrameBase2_Release,
 491     HTMLFrameBase2_GetTypeInfoCount,
 492     HTMLFrameBase2_GetTypeInfo,
 493     HTMLFrameBase2_GetIDsOfNames,
 494     HTMLFrameBase2_Invoke,
 495     HTMLFrameBase2_get_contentWindow,
 496     HTMLFrameBase2_put_onload,
 497     HTMLFrameBase2_get_onload,
 498     HTMLFrameBase2_put_onreadystatechange,
 499     HTMLFrameBase2_get_onreadystatechange,
 500     HTMLFrameBase2_get_readyState,
 501     HTMLFrameBase2_put_allowTransparency,
 502     HTMLFrameBase2_get_allowTransparency
 503 };
 504
 505 HRESULT HTMLFrameBase_QI(HTMLFrameBase *This, REFIID riid, void **ppv)
 506 {
 507     if(IsEqualGUID(&IID_IHTMLFrameBase, riid)) {
 508         TRACE("(%p)->(IID_IHTMLFrameBase %p)\n", This, ppv);
 509         *ppv = &This->IHTMLFrameBase_iface;
 510     }else if(IsEqualGUID(&IID_IHTMLFrameBase2, riid)) {
 511         TRACE("(%p)->(IID_IHTMLFrameBase2 %p)\n", This, ppv);
 512         *ppv = &This->IHTMLFrameBase2_iface;
 513     }else {
 514         return HTMLElement_QI(&This->element.node, riid, ppv);
 515     }
 516
 517     IUnknown_AddRef((IUnknown*)*ppv);
 518     return S_OK;
 519 }
 520
 521 void HTMLFrameBase_destructor(HTMLFrameBase *This)
 522 {
 523     if(This->content_window)
 524         This->content_window->frame_element = NULL;
 525
 526     HTMLElement_destructor(&This->element.node);
 527 }
 528
 529 void HTMLFrameBase_Init(HTMLFrameBase *This, HTMLDocumentNode *doc, nsIDOMHTMLElement *nselem,
 530         dispex_static_data_t *dispex_data)
 531 {
 532     nsresult nsres;
 533
 534     This->IHTMLFrameBase_iface.lpVtbl = &HTMLFrameBaseVtbl;
 535     This->IHTMLFrameBase2_iface.lpVtbl = &HTMLFrameBase2Vtbl;
 536
 537     HTMLElement_Init(&This->element, doc, nselem, dispex_data);
 538
 539     nsres = nsIDOMHTMLElement_QueryInterface(nselem, &IID_nsIDOMHTMLFrameElement, (void**)&This->nsframe);
 540     if(NS_FAILED(nsres)) {
 541         This->nsframe = NULL;
 542         nsres = nsIDOMHTMLElement_QueryInterface(nselem, &IID_nsIDOMHTMLIFrameElement, (void**)&This->nsiframe);
 543         assert(nsres == NS_OK && (nsIDOMNode*)This->nsiframe == This->element.node.nsnode);
 544     }else {
 545         assert((nsIDOMNode*)This->nsframe == This->element.node.nsnode);
 546         This->nsiframe = NULL;
 547     }
 548
 549     /* Share the reference with nsnode */
 550     nsIDOMNode_Release(This->element.node.nsnode);
 551 }