/* * Copyright 2008 Jacek Caban for CodeWeavers * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA */ #include <stdarg.h> #define COBJMACROS #include "windef.h" #include "winbase.h" #include "winuser.h" #include "ole2.h" #include "mshtml_private.h" #include "wine/debug.h" WINE_DEFAULT_DEBUG_CHANNEL(mshtml); typedef struct { HTMLFrameBase framebase; IHTMLIFrameElement IHTMLIFrameElement_iface; IHTMLIFrameElement2 IHTMLIFrameElement2_iface; IHTMLIFrameElement3 IHTMLIFrameElement3_iface; } HTMLIFrame; static inline HTMLIFrame *impl_from_IHTMLIFrameElement(IHTMLIFrameElement *iface) { return CONTAINING_RECORD(iface, HTMLIFrame, IHTMLIFrameElement_iface); } static HRESULT WINAPI HTMLIFrameElement_QueryInterface(IHTMLIFrameElement *iface, REFIID riid, void **ppv) { HTMLIFrame *This = impl_from_IHTMLIFrameElement(iface); return IHTMLDOMNode_QueryInterface(&This->framebase.element.node.IHTMLDOMNode_iface, riid, ppv); } static ULONG WINAPI HTMLIFrameElement_AddRef(IHTMLIFrameElement *iface) { HTMLIFrame *This = impl_from_IHTMLIFrameElement(iface); return IHTMLDOMNode_AddRef(&This->framebase.element.node.IHTMLDOMNode_iface); } static ULONG WINAPI HTMLIFrameElement_Release(IHTMLIFrameElement *iface) { HTMLIFrame *This = impl_from_IHTMLIFrameElement(iface); return IHTMLDOMNode_Release(&This->framebase.element.node.IHTMLDOMNode_iface); } static HRESULT WINAPI HTMLIFrameElement_GetTypeInfoCount(IHTMLIFrameElement *iface, UINT *pctinfo) { HTMLIFrame *This = impl_from_IHTMLIFrameElement(iface); return IDispatchEx_GetTypeInfoCount(&This->framebase.element.node.event_target.dispex.IDispatchEx_iface, pctinfo); } static HRESULT WINAPI HTMLIFrameElement_GetTypeInfo(IHTMLIFrameElement *iface, UINT iTInfo, LCID lcid, ITypeInfo **ppTInfo) { HTMLIFrame *This = impl_from_IHTMLIFrameElement(iface); return IDispatchEx_GetTypeInfo(&This->framebase.element.node.event_target.dispex.IDispatchEx_iface, iTInfo, lcid, ppTInfo); } static HRESULT WINAPI HTMLIFrameElement_GetIDsOfNames(IHTMLIFrameElement *iface, REFIID riid, LPOLESTR *rgszNames, UINT cNames, LCID lcid, DISPID *rgDispId) { HTMLIFrame *This = impl_from_IHTMLIFrameElement(iface); return IDispatchEx_GetIDsOfNames(&This->framebase.element.node.event_target.dispex.IDispatchEx_iface, riid, rgszNames, cNames, lcid, rgDispId); } static HRESULT WINAPI HTMLIFrameElement_Invoke(IHTMLIFrameElement *iface, DISPID dispIdMember, REFIID riid, LCID lcid, WORD wFlags, DISPPARAMS *pDispParams, VARIANT *pVarResult, EXCEPINFO *pExcepInfo, UINT *puArgErr) { HTMLIFrame *This = impl_from_IHTMLIFrameElement(iface); return IDispatchEx_Invoke(&This->framebase.element.node.event_target.dispex.IDispatchEx_iface, dispIdMember, riid, lcid, wFlags, pDispParams, pVarResult, pExcepInfo, puArgErr); } static HRESULT WINAPI HTMLIFrameElement_put_vspace(IHTMLIFrameElement *iface, LONG v) { HTMLIFrame *This = impl_from_IHTMLIFrameElement(iface); FIXME("(%p)->(%d)\n", This, v); return E_NOTIMPL; } static HRESULT WINAPI HTMLIFrameElement_get_vspace(IHTMLIFrameElement *iface, LONG *p) { HTMLIFrame *This = impl_from_IHTMLIFrameElement(iface); FIXME("(%p)->(%p)\n", This, p); return E_NOTIMPL; } static HRESULT WINAPI HTMLIFrameElement_put_hspace(IHTMLIFrameElement *iface, LONG v) { HTMLIFrame *This = impl_from_IHTMLIFrameElement(iface); FIXME("(%p)->(%d)\n", This, v); return E_NOTIMPL; } static HRESULT WINAPI HTMLIFrameElement_get_hspace(IHTMLIFrameElement *iface, LONG *p) { HTMLIFrame *This = impl_from_IHTMLIFrameElement(iface); FIXME("(%p)->(%p)\n", This, p); return E_NOTIMPL; } static HRESULT WINAPI HTMLIFrameElement_put_align(IHTMLIFrameElement *iface, BSTR v) { HTMLIFrame *This = impl_from_IHTMLIFrameElement(iface); FIXME("(%p)->(%s)\n", This, debugstr_w(v)); return E_NOTIMPL; } static HRESULT WINAPI HTMLIFrameElement_get_align(IHTMLIFrameElement *iface, BSTR *p) { HTMLIFrame *This = impl_from_IHTMLIFrameElement(iface); FIXME("(%p)->(%p)\n", This, p); return E_NOTIMPL; } static const IHTMLIFrameElementVtbl HTMLIFrameElementVtbl = { HTMLIFrameElement_QueryInterface, HTMLIFrameElement_AddRef, HTMLIFrameElement_Release, HTMLIFrameElement_GetTypeInfoCount, HTMLIFrameElement_GetTypeInfo, HTMLIFrameElement_GetIDsOfNames, HTMLIFrameElement_Invoke, HTMLIFrameElement_put_vspace, HTMLIFrameElement_get_vspace, HTMLIFrameElement_put_hspace, HTMLIFrameElement_get_hspace, HTMLIFrameElement_put_align, HTMLIFrameElement_get_align }; static inline HTMLIFrame *impl_from_IHTMLIFrameElement2(IHTMLIFrameElement2 *iface) { return CONTAINING_RECORD(iface, HTMLIFrame, IHTMLIFrameElement2_iface); } static HRESULT WINAPI HTMLIFrameElement2_QueryInterface(IHTMLIFrameElement2 *iface, REFIID riid, void **ppv) { HTMLIFrame *This = impl_from_IHTMLIFrameElement2(iface); return IHTMLDOMNode_QueryInterface(&This->framebase.element.node.IHTMLDOMNode_iface, riid, ppv); } static ULONG WINAPI HTMLIFrameElement2_AddRef(IHTMLIFrameElement2 *iface) { HTMLIFrame *This = impl_from_IHTMLIFrameElement2(iface); return IHTMLDOMNode_AddRef(&This->framebase.element.node.IHTMLDOMNode_iface); } static ULONG WINAPI HTMLIFrameElement2_Release(IHTMLIFrameElement2 *iface) { HTMLIFrame *This = impl_from_IHTMLIFrameElement2(iface); return IHTMLDOMNode_Release(&This->framebase.element.node.IHTMLDOMNode_iface); } static HRESULT WINAPI HTMLIFrameElement2_GetTypeInfoCount(IHTMLIFrameElement2 *iface, UINT *pctinfo) { HTMLIFrame *This = impl_from_IHTMLIFrameElement2(iface); return IDispatchEx_GetTypeInfoCount(&This->framebase.element.node.event_target.dispex.IDispatchEx_iface, pctinfo); } static HRESULT WINAPI HTMLIFrameElement2_GetTypeInfo(IHTMLIFrameElement2 *iface, UINT iTInfo, LCID lcid, ITypeInfo **ppTInfo) { HTMLIFrame *This = impl_from_IHTMLIFrameElement2(iface); return IDispatchEx_GetTypeInfo(&This->framebase.element.node.event_target.dispex.IDispatchEx_iface, iTInfo, lcid, ppTInfo); } static HRESULT WINAPI HTMLIFrameElement2_GetIDsOfNames(IHTMLIFrameElement2 *iface, REFIID riid, LPOLESTR *rgszNames, UINT cNames, LCID lcid, DISPID *rgDispId) { HTMLIFrame *This = impl_from_IHTMLIFrameElement2(iface); return IDispatchEx_GetIDsOfNames(&This->framebase.element.node.event_target.dispex.IDispatchEx_iface, riid, rgszNames, cNames, lcid, rgDispId); } static HRESULT WINAPI HTMLIFrameElement2_Invoke(IHTMLIFrameElement2 *iface, DISPID dispIdMember, REFIID riid, LCID lcid, WORD wFlags, DISPPARAMS *pDispParams, VARIANT *pVarResult, EXCEPINFO *pExcepInfo, UINT *puArgErr) { HTMLIFrame *This = impl_from_IHTMLIFrameElement2(iface); return IDispatchEx_Invoke(&This->framebase.element.node.event_target.dispex.IDispatchEx_iface, dispIdMember, riid, lcid, wFlags, pDispParams, pVarResult, pExcepInfo, puArgErr); } static HRESULT WINAPI HTMLIFrameElement2_put_height(IHTMLIFrameElement2 *iface, VARIANT v) { HTMLIFrame *This = impl_from_IHTMLIFrameElement2(iface); nsAString nsstr; nsresult nsres; TRACE("(%p)->(%s)\n", This, debugstr_variant(&v)); if(V_VT(&v) != VT_BSTR) { FIXME("Unsupported %s\n", debugstr_variant(&v)); return E_NOTIMPL; } nsAString_InitDepend(&nsstr, V_BSTR(&v)); nsres = nsIDOMHTMLIFrameElement_SetHeight(This->framebase.nsiframe, &nsstr); nsAString_Finish(&nsstr); if(NS_FAILED(nsres)) { ERR("SetHeight failed: %08x\n", nsres); return E_FAIL; } return S_OK; } static HRESULT WINAPI HTMLIFrameElement2_get_height(IHTMLIFrameElement2 *iface, VARIANT *p) { HTMLIFrame *This = impl_from_IHTMLIFrameElement2(iface); nsAString nsstr; nsresult nsres; TRACE("(%p)->(%p)\n", This, p); nsAString_Init(&nsstr, NULL); nsres = nsIDOMHTMLIFrameElement_GetHeight(This->framebase.nsiframe, &nsstr); V_VT(p) = VT_BSTR; return return_nsstr(nsres, &nsstr, &V_BSTR(p)); } static HRESULT WINAPI HTMLIFrameElement2_put_width(IHTMLIFrameElement2 *iface, VARIANT v) { HTMLIFrame *This = impl_from_IHTMLIFrameElement2(iface); nsAString nsstr; nsresult nsres; TRACE("(%p)->(%s)\n", This, debugstr_variant(&v)); if(V_VT(&v) != VT_BSTR) { FIXME("Unsupported %s\n", debugstr_variant(&v)); return E_NOTIMPL; } nsAString_InitDepend(&nsstr, V_BSTR(&v)); nsres = nsIDOMHTMLIFrameElement_SetWidth(This->framebase.nsiframe, &nsstr); nsAString_Finish(&nsstr); if(NS_FAILED(nsres)) { ERR("SetWidth failed: %08x\n", nsres); return E_FAIL; } return S_OK; } static HRESULT WINAPI HTMLIFrameElement2_get_width(IHTMLIFrameElement2 *iface, VARIANT *p) { HTMLIFrame *This = impl_from_IHTMLIFrameElement2(iface); nsAString nsstr; nsresult nsres; TRACE("(%p)->(%p)\n", This, p); nsAString_Init(&nsstr, NULL); nsres = nsIDOMHTMLIFrameElement_GetWidth(This->framebase.nsiframe, &nsstr); V_VT(p) = VT_BSTR; return return_nsstr(nsres, &nsstr, &V_BSTR(p)); } static const IHTMLIFrameElement2Vtbl HTMLIFrameElement2Vtbl = { HTMLIFrameElement2_QueryInterface, HTMLIFrameElement2_AddRef, HTMLIFrameElement2_Release, HTMLIFrameElement2_GetTypeInfoCount, HTMLIFrameElement2_GetTypeInfo, HTMLIFrameElement2_GetIDsOfNames, HTMLIFrameElement2_Invoke, HTMLIFrameElement2_put_height, HTMLIFrameElement2_get_height, HTMLIFrameElement2_put_width, HTMLIFrameElement2_get_width }; static inline HTMLIFrame *impl_from_IHTMLIFrameElement3(IHTMLIFrameElement3 *iface) { return CONTAINING_RECORD(iface, HTMLIFrame, IHTMLIFrameElement3_iface); } static HRESULT WINAPI HTMLIFrameElement3_QueryInterface(IHTMLIFrameElement3 *iface, REFIID riid, void **ppv) { HTMLIFrame *This = impl_from_IHTMLIFrameElement3(iface); return IHTMLDOMNode_QueryInterface(&This->framebase.element.node.IHTMLDOMNode_iface, riid, ppv); } static ULONG WINAPI HTMLIFrameElement3_AddRef(IHTMLIFrameElement3 *iface) { HTMLIFrame *This = impl_from_IHTMLIFrameElement3(iface); return IHTMLDOMNode_AddRef(&This->framebase.element.node.IHTMLDOMNode_iface); } static ULONG WINAPI HTMLIFrameElement3_Release(IHTMLIFrameElement3 *iface) { HTMLIFrame *This = impl_from_IHTMLIFrameElement3(iface); return IHTMLDOMNode_Release(&This->framebase.element.node.IHTMLDOMNode_iface); } static HRESULT WINAPI HTMLIFrameElement3_GetTypeInfoCount(IHTMLIFrameElement3 *iface, UINT *pctinfo) { HTMLIFrame *This = impl_from_IHTMLIFrameElement3(iface); return IDispatchEx_GetTypeInfoCount(&This->framebase.element.node.event_target.dispex.IDispatchEx_iface, pctinfo); } static HRESULT WINAPI HTMLIFrameElement3_GetTypeInfo(IHTMLIFrameElement3 *iface, UINT iTInfo, LCID lcid, ITypeInfo **ppTInfo) { HTMLIFrame *This = impl_from_IHTMLIFrameElement3(iface); return IDispatchEx_GetTypeInfo(&This->framebase.element.node.event_target.dispex.IDispatchEx_iface, iTInfo, lcid, ppTInfo); } static HRESULT WINAPI HTMLIFrameElement3_GetIDsOfNames(IHTMLIFrameElement3 *iface, REFIID riid, LPOLESTR *rgszNames, UINT cNames, LCID lcid, DISPID *rgDispId) { HTMLIFrame *This = impl_from_IHTMLIFrameElement3(iface); return IDispatchEx_GetIDsOfNames(&This->framebase.element.node.event_target.dispex.IDispatchEx_iface, riid, rgszNames, cNames, lcid, rgDispId); } static HRESULT WINAPI HTMLIFrameElement3_Invoke(IHTMLIFrameElement3 *iface, DISPID dispIdMember, REFIID riid, LCID lcid, WORD wFlags, DISPPARAMS *pDispParams, VARIANT *pVarResult, EXCEPINFO *pExcepInfo, UINT *puArgErr) { HTMLIFrame *This = impl_from_IHTMLIFrameElement3(iface); return IDispatchEx_Invoke(&This->framebase.element.node.event_target.dispex.IDispatchEx_iface, dispIdMember, riid, lcid, wFlags, pDispParams, pVarResult, pExcepInfo, puArgErr); } static HRESULT WINAPI HTMLIFrameElement3_get_contentDocument(IHTMLIFrameElement3 *iface, IDispatch **p) { HTMLIFrame *This = impl_from_IHTMLIFrameElement3(iface); IHTMLDocument2 *doc; HRESULT hres; TRACE("(%p)->(%p)\n", This, p); if(!This->framebase.content_window) { *p = NULL; return S_OK; } hres = IHTMLWindow2_get_document(&This->framebase.content_window->base.IHTMLWindow2_iface, &doc); *p = (IDispatch*)doc; return hres; } static HRESULT WINAPI HTMLIFrameElement3_put_src(IHTMLIFrameElement3 *iface, BSTR v) { HTMLIFrame *This = impl_from_IHTMLIFrameElement3(iface); FIXME("(%p)->(%s)\n", This, debugstr_w(v)); return E_NOTIMPL; } static HRESULT WINAPI HTMLIFrameElement3_get_src(IHTMLIFrameElement3 *iface, BSTR *p) { HTMLIFrame *This = impl_from_IHTMLIFrameElement3(iface); FIXME("(%p)->(%p)\n", This, p); return E_NOTIMPL; } static HRESULT WINAPI HTMLIFrameElement3_put_longDesc(IHTMLIFrameElement3 *iface, BSTR v) { HTMLIFrame *This = impl_from_IHTMLIFrameElement3(iface); FIXME("(%p)->(%s)\n", This, debugstr_w(v)); return E_NOTIMPL; } static HRESULT WINAPI HTMLIFrameElement3_get_longDesc(IHTMLIFrameElement3 *iface, BSTR *p) { HTMLIFrame *This = impl_from_IHTMLIFrameElement3(iface); FIXME("(%p)->(%p)\n", This, p); return E_NOTIMPL; } static HRESULT WINAPI HTMLIFrameElement3_put_frameBorder(IHTMLIFrameElement3 *iface, BSTR v) { HTMLIFrame *This = impl_from_IHTMLIFrameElement3(iface); FIXME("(%p)->(%s)\n", This, debugstr_w(v)); return E_NOTIMPL; } static HRESULT WINAPI HTMLIFrameElement3_get_frameBorder(IHTMLIFrameElement3 *iface, BSTR *p) { HTMLIFrame *This = impl_from_IHTMLIFrameElement3(iface); FIXME("(%p)->(%p)\n", This, p); return E_NOTIMPL; } static const IHTMLIFrameElement3Vtbl HTMLIFrameElement3Vtbl = { HTMLIFrameElement3_QueryInterface, HTMLIFrameElement3_AddRef, HTMLIFrameElement3_Release, HTMLIFrameElement3_GetTypeInfoCount, HTMLIFrameElement3_GetTypeInfo, HTMLIFrameElement3_GetIDsOfNames, HTMLIFrameElement3_Invoke, HTMLIFrameElement3_get_contentDocument, HTMLIFrameElement3_put_src, HTMLIFrameElement3_get_src, HTMLIFrameElement3_put_longDesc, HTMLIFrameElement3_get_longDesc, HTMLIFrameElement3_put_frameBorder, HTMLIFrameElement3_get_frameBorder }; static inline HTMLIFrame *impl_from_HTMLDOMNode(HTMLDOMNode *iface) { return CONTAINING_RECORD(iface, HTMLIFrame, framebase.element.node); } static HRESULT HTMLIFrame_QI(HTMLDOMNode *iface, REFIID riid, void **ppv) { HTMLIFrame *This = impl_from_HTMLDOMNode(iface); if(IsEqualGUID(&IID_IHTMLIFrameElement, riid)) { TRACE("(%p)->(IID_IHTMLIFrameElement %p)\n", This, ppv); *ppv = &This->IHTMLIFrameElement_iface; }else if(IsEqualGUID(&IID_IHTMLIFrameElement2, riid)) { TRACE("(%p)->(IID_IHTMLIFrameElement2 %p)\n", This, ppv); *ppv = &This->IHTMLIFrameElement2_iface; }else if(IsEqualGUID(&IID_IHTMLIFrameElement3, riid)) { TRACE("(%p)->(IID_IHTMLIFrameElement3 %p)\n", This, ppv); *ppv = &This->IHTMLIFrameElement3_iface; }else { return HTMLFrameBase_QI(&This->framebase, riid, ppv); } IUnknown_AddRef((IUnknown*)*ppv); return S_OK; } static void HTMLIFrame_destructor(HTMLDOMNode *iface) { HTMLIFrame *This = impl_from_HTMLDOMNode(iface); HTMLFrameBase_destructor(&This->framebase); } static HRESULT HTMLIFrame_get_document(HTMLDOMNode *iface, IDispatch **p) { HTMLIFrame *This = impl_from_HTMLDOMNode(iface); if(!This->framebase.content_window || !This->framebase.content_window->base.inner_window->doc) { *p = NULL; return S_OK; } *p = (IDispatch*)&This->framebase.content_window->base.inner_window->doc->basedoc.IHTMLDocument2_iface; IDispatch_AddRef(*p); return S_OK; } static HRESULT HTMLIFrame_get_dispid(HTMLDOMNode *iface, BSTR name, DWORD grfdex, DISPID *pid) { HTMLIFrame *This = impl_from_HTMLDOMNode(iface); if(!This->framebase.content_window) return DISP_E_UNKNOWNNAME; return search_window_props(This->framebase.content_window->base.inner_window, name, grfdex, pid); } static HRESULT HTMLIFrame_invoke(HTMLDOMNode *iface, DISPID id, LCID lcid, WORD flags, DISPPARAMS *params, VARIANT *res, EXCEPINFO *ei, IServiceProvider *caller) { HTMLIFrame *This = impl_from_HTMLDOMNode(iface); if(!This->framebase.content_window) { ERR("no content window to invoke on\n"); return E_FAIL; } return IDispatchEx_InvokeEx(&This->framebase.content_window->base.IDispatchEx_iface, id, lcid, flags, params, res, ei, caller); } static HRESULT HTMLIFrame_get_readystate(HTMLDOMNode *iface, BSTR *p) { HTMLIFrame *This = impl_from_HTMLDOMNode(iface); return IHTMLFrameBase2_get_readyState(&This->framebase.IHTMLFrameBase2_iface, p); } static HRESULT HTMLIFrame_bind_to_tree(HTMLDOMNode *iface) { HTMLIFrame *This = impl_from_HTMLDOMNode(iface); nsIDOMDocument *nsdoc; nsresult nsres; HRESULT hres; nsres = nsIDOMHTMLIFrameElement_GetContentDocument(This->framebase.nsiframe, &nsdoc); if(NS_FAILED(nsres) || !nsdoc) { ERR("GetContentDocument failed: %08x\n", nsres); return E_FAIL; } hres = set_frame_doc(&This->framebase, nsdoc); nsIDOMDocument_Release(nsdoc); return hres; } static void HTMLIFrame_traverse(HTMLDOMNode *iface, nsCycleCollectionTraversalCallback *cb) { HTMLIFrame *This = impl_from_HTMLDOMNode(iface); if(This->framebase.nsiframe) note_cc_edge((nsISupports*)This->framebase.nsiframe, "This->nsiframe", cb); } static void HTMLIFrame_unlink(HTMLDOMNode *iface) { HTMLIFrame *This = impl_from_HTMLDOMNode(iface); if(This->framebase.nsiframe) { nsIDOMHTMLIFrameElement *nsiframe = This->framebase.nsiframe; This->framebase.nsiframe = NULL; nsIDOMHTMLIFrameElement_Release(nsiframe); } } static const NodeImplVtbl HTMLIFrameImplVtbl = { HTMLIFrame_QI, HTMLIFrame_destructor, HTMLElement_cpc, HTMLElement_clone, HTMLElement_handle_event, HTMLElement_get_attr_col, NULL, NULL, NULL, NULL, HTMLIFrame_get_document, HTMLIFrame_get_readystate, HTMLIFrame_get_dispid, HTMLIFrame_invoke, HTMLIFrame_bind_to_tree, HTMLIFrame_traverse, HTMLIFrame_unlink }; static const tid_t HTMLIFrame_iface_tids[] = { HTMLELEMENT_TIDS, IHTMLFrameBase_tid, IHTMLFrameBase2_tid, IHTMLIFrameElement_tid, IHTMLIFrameElement2_tid, IHTMLIFrameElement3_tid, 0 }; static dispex_static_data_t HTMLIFrame_dispex = { NULL, DispHTMLIFrame_tid, NULL, HTMLIFrame_iface_tids }; HRESULT HTMLIFrame_Create(HTMLDocumentNode *doc, nsIDOMHTMLElement *nselem, HTMLElement **elem) { HTMLIFrame *ret; ret = heap_alloc_zero(sizeof(HTMLIFrame)); if(!ret) return E_OUTOFMEMORY; ret->IHTMLIFrameElement_iface.lpVtbl = &HTMLIFrameElementVtbl; ret->IHTMLIFrameElement2_iface.lpVtbl = &HTMLIFrameElement2Vtbl; ret->IHTMLIFrameElement3_iface.lpVtbl = &HTMLIFrameElement3Vtbl; ret->framebase.element.node.vtbl = &HTMLIFrameImplVtbl; HTMLFrameBase_Init(&ret->framebase, doc, nselem, &HTMLIFrame_dispex); *elem = &ret->framebase.element; return S_OK; }