dlls/mshtml/htmliframe.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 typedef struct {
  35     HTMLFrameBase framebase;
  36
  37     LONG ref;
  38
  39     nsIDOMHTMLIFrameElement *nsiframe;
  40 } HTMLIFrame;
  41
  42 #define HTMLIFRAME_NODE_THIS(iface) DEFINE_THIS2(HTMLIFrame, framebase.element.node, iface)
  43
  44 static HRESULT HTMLIFrame_QI(HTMLDOMNode *iface, REFIID riid, void **ppv)
  45 {
  46     HTMLIFrame *This = HTMLIFRAME_NODE_THIS(iface);
  47
  48     return HTMLFrameBase_QI(&This->framebase, riid, ppv);
  49 }
  50
  51 static void HTMLIFrame_destructor(HTMLDOMNode *iface)
  52 {
  53     HTMLIFrame *This = HTMLIFRAME_NODE_THIS(iface);
  54
  55     if(This->nsiframe)
  56         nsIDOMHTMLIFrameElement_Release(This->nsiframe);
  57
  58     HTMLFrameBase_destructor(&This->framebase);
  59 }
  60
  61 static HRESULT HTMLIFrame_get_document(HTMLDOMNode *iface, IDispatch **p)
  62 {
  63     HTMLIFrame *This = HTMLIFRAME_NODE_THIS(iface);
  64
  65     if(!This->framebase.content_window || !This->framebase.content_window->doc) {
  66         *p = NULL;
  67         return S_OK;
  68     }
  69
  70     *p = (IDispatch*)HTMLDOC(&This->framebase.content_window->doc->basedoc);
  71     IDispatch_AddRef(*p);
  72     return S_OK;
  73 }
  74
  75 static HRESULT HTMLIFrame_get_readystate(HTMLDOMNode *iface, BSTR *p)
  76 {
  77     HTMLIFrame *This = HTMLIFRAME_NODE_THIS(iface);
  78
  79     return IHTMLFrameBase2_get_readyState(HTMLFRAMEBASE2(&This->framebase), p);
  80 }
  81
  82 #undef HTMLIFRAME_NODE_THIS
  83
  84 static const NodeImplVtbl HTMLIFrameImplVtbl = {
  85     HTMLIFrame_QI,
  86     HTMLIFrame_destructor,
  87     NULL,
  88     NULL,
  89     NULL,
  90     NULL,
  91     HTMLIFrame_get_document,
  92     HTMLIFrame_get_readystate
  93 };
  94
  95 static const tid_t HTMLIFrame_iface_tids[] = {
  96     IHTMLDOMNode_tid,
  97     IHTMLDOMNode2_tid,
  98     IHTMLElement_tid,
  99     IHTMLElement2_tid,
 100     IHTMLElement3_tid,
 101     IHTMLFrameBase_tid,
 102     IHTMLFrameBase2_tid,
 103     0
 104 };
 105
 106 static dispex_static_data_t HTMLIFrame_dispex = {
 107     NULL,
 108     DispHTMLIFrame_tid,
 109     NULL,
 110     HTMLIFrame_iface_tids
 111 };
 112
 113 static HTMLWindow *get_content_window(nsIDOMHTMLIFrameElement *nsiframe)
 114 {
 115     HTMLWindow *ret;
 116     nsIDOMWindow *nswindow;
 117     nsIDOMDocument *nsdoc;
 118     nsresult nsres;
 119
 120     nsres = nsIDOMHTMLIFrameElement_GetContentDocument(nsiframe, &nsdoc);
 121     if(NS_FAILED(nsres)) {
 122         ERR("GetContentDocument failed: %08x\n", nsres);
 123         return NULL;
 124     }
 125
 126     if(!nsdoc) {
 127         FIXME("NULL contentDocument\n");
 128         return NULL;
 129     }
 130
 131     nswindow = get_nsdoc_window(nsdoc);
 132     nsIDOMDocument_Release(nsdoc);
 133     if(!nswindow)
 134         return NULL;
 135
 136     ret = nswindow_to_window(nswindow);
 137     nsIDOMWindow_Release(nswindow);
 138     if(!ret)
 139         ERR("Could not get window object\n");
 140
 141     return ret;
 142 }
 143
 144 HTMLElement *HTMLIFrame_Create(HTMLDocumentNode *doc, nsIDOMHTMLElement *nselem, HTMLWindow *content_window)
 145 {
 146     HTMLIFrame *ret;
 147     nsresult nsres;
 148
 149     ret = heap_alloc_zero(sizeof(HTMLIFrame));
 150
 151     ret->framebase.element.node.vtbl = &HTMLIFrameImplVtbl;
 152
 153     nsres = nsIDOMHTMLElement_QueryInterface(nselem, &IID_nsIDOMHTMLIFrameElement, (void**)&ret->nsiframe);
 154     if(NS_FAILED(nsres))
 155         ERR("Could not get nsIDOMHTMLIFrameElement iface: %08x\n", nsres);
 156
 157     if(!content_window)
 158         content_window = get_content_window(ret->nsiframe);
 159
 160     HTMLFrameBase_Init(&ret->framebase, doc, nselem, content_window, &HTMLIFrame_dispex);
 161
 162     return &ret->framebase.element;
 163 }