reactos/dll/win32/mshtml/htmlstyleelem.c

   1 /*
   2  * Copyright 2010 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 "mshtml_private.h"
  20
  21 typedef struct {
  22     HTMLElement element;
  23
  24     IHTMLStyleElement IHTMLStyleElement_iface;
  25
  26     nsIDOMHTMLStyleElement *nsstyle;
  27     IHTMLStyleSheet *style_sheet;
  28 } HTMLStyleElement;
  29
  30 static inline HTMLStyleElement *impl_from_IHTMLStyleElement(IHTMLStyleElement *iface)
  31 {
  32     return CONTAINING_RECORD(iface, HTMLStyleElement, IHTMLStyleElement_iface);
  33 }
  34
  35 static HRESULT WINAPI HTMLStyleElement_QueryInterface(IHTMLStyleElement *iface,
  36         REFIID riid, void **ppv)
  37 {
  38     HTMLStyleElement *This = impl_from_IHTMLStyleElement(iface);
  39
  40     return IHTMLDOMNode_QueryInterface(&This->element.node.IHTMLDOMNode_iface, riid, ppv);
  41 }
  42
  43 static ULONG WINAPI HTMLStyleElement_AddRef(IHTMLStyleElement *iface)
  44 {
  45     HTMLStyleElement *This = impl_from_IHTMLStyleElement(iface);
  46
  47     return IHTMLDOMNode_AddRef(&This->element.node.IHTMLDOMNode_iface);
  48 }
  49
  50 static ULONG WINAPI HTMLStyleElement_Release(IHTMLStyleElement *iface)
  51 {
  52     HTMLStyleElement *This = impl_from_IHTMLStyleElement(iface);
  53
  54     return IHTMLDOMNode_Release(&This->element.node.IHTMLDOMNode_iface);
  55 }
  56
  57 static HRESULT WINAPI HTMLStyleElement_GetTypeInfoCount(IHTMLStyleElement *iface, UINT *pctinfo)
  58 {
  59     HTMLStyleElement *This = impl_from_IHTMLStyleElement(iface);
  60     return IDispatchEx_GetTypeInfoCount(&This->element.node.dispex.IDispatchEx_iface, pctinfo);
  61 }
  62
  63 static HRESULT WINAPI HTMLStyleElement_GetTypeInfo(IHTMLStyleElement *iface, UINT iTInfo,
  64         LCID lcid, ITypeInfo **ppTInfo)
  65 {
  66     HTMLStyleElement *This = impl_from_IHTMLStyleElement(iface);
  67     return IDispatchEx_GetTypeInfo(&This->element.node.dispex.IDispatchEx_iface, iTInfo, lcid,
  68             ppTInfo);
  69 }
  70
  71 static HRESULT WINAPI HTMLStyleElement_GetIDsOfNames(IHTMLStyleElement *iface, REFIID riid,
  72         LPOLESTR *rgszNames, UINT cNames, LCID lcid, DISPID *rgDispId)
  73 {
  74     HTMLStyleElement *This = impl_from_IHTMLStyleElement(iface);
  75     return IDispatchEx_GetIDsOfNames(&This->element.node.dispex.IDispatchEx_iface, riid, rgszNames,
  76             cNames, lcid, rgDispId);
  77 }
  78
  79 static HRESULT WINAPI HTMLStyleElement_Invoke(IHTMLStyleElement *iface, DISPID dispIdMember,
  80         REFIID riid, LCID lcid, WORD wFlags, DISPPARAMS *pDispParams,
  81         VARIANT *pVarResult, EXCEPINFO *pExcepInfo, UINT *puArgErr)
  82 {
  83     HTMLStyleElement *This = impl_from_IHTMLStyleElement(iface);
  84     return IDispatchEx_Invoke(&This->element.node.dispex.IDispatchEx_iface, dispIdMember, riid,
  85             lcid, wFlags, pDispParams, pVarResult, pExcepInfo, puArgErr);
  86 }
  87
  88 static HRESULT WINAPI HTMLStyleElement_put_type(IHTMLStyleElement *iface, BSTR v)
  89 {
  90     HTMLStyleElement *This = impl_from_IHTMLStyleElement(iface);
  91     nsAString type_str;
  92     nsresult nsres;
  93
  94     TRACE("(%p)->(%s)\n", This, debugstr_w(v));
  95
  96     nsAString_InitDepend(&type_str, v);
  97     nsres = nsIDOMHTMLStyleElement_SetType(This->nsstyle, &type_str);
  98     nsAString_Finish(&type_str);
  99     if(NS_FAILED(nsres)) {
 100         ERR("SetType failed: %08x\n", nsres);
 101         return E_FAIL;
 102     }
 103
 104     return S_OK;
 105 }
 106
 107 static HRESULT WINAPI HTMLStyleElement_get_type(IHTMLStyleElement *iface, BSTR *p)
 108 {
 109     HTMLStyleElement *This = impl_from_IHTMLStyleElement(iface);
 110     nsAString nsstr;
 111     nsresult nsres;
 112
 113     TRACE("(%p)->(%p)\n", This, p);
 114
 115     nsAString_Init(&nsstr, NULL);
 116     nsres = nsIDOMHTMLStyleElement_GetType(This->nsstyle, &nsstr);
 117     return return_nsstr(nsres, &nsstr, p);
 118 }
 119
 120 static HRESULT WINAPI HTMLStyleElement_get_readyState(IHTMLStyleElement *iface, BSTR *p)
 121 {
 122     HTMLStyleElement *This = impl_from_IHTMLStyleElement(iface);
 123     FIXME("(%p)->(%p)\n", This, p);
 124     return E_NOTIMPL;
 125 }
 126
 127 static HRESULT WINAPI HTMLStyleElement_put_onreadystatechange(IHTMLStyleElement *iface, VARIANT v)
 128 {
 129     HTMLStyleElement *This = impl_from_IHTMLStyleElement(iface);
 130     FIXME("(%p)->(%s)\n", This, debugstr_variant(&v));
 131     return E_NOTIMPL;
 132 }
 133
 134 static HRESULT WINAPI HTMLStyleElement_get_onreadystatechange(IHTMLStyleElement *iface, VARIANT *p)
 135 {
 136     HTMLStyleElement *This = impl_from_IHTMLStyleElement(iface);
 137     FIXME("(%p)->(%p)\n", This, p);
 138     return E_NOTIMPL;
 139 }
 140
 141 static HRESULT WINAPI HTMLStyleElement_put_onload(IHTMLStyleElement *iface, VARIANT v)
 142 {
 143     HTMLStyleElement *This = impl_from_IHTMLStyleElement(iface);
 144     FIXME("(%p)->(%s)\n", This, debugstr_variant(&v));
 145     return E_NOTIMPL;
 146 }
 147
 148 static HRESULT WINAPI HTMLStyleElement_get_onload(IHTMLStyleElement *iface, VARIANT *p)
 149 {
 150     HTMLStyleElement *This = impl_from_IHTMLStyleElement(iface);
 151     FIXME("(%p)->(%p)\n", This, p);
 152     return E_NOTIMPL;
 153 }
 154
 155 static HRESULT WINAPI HTMLStyleElement_put_onerror(IHTMLStyleElement *iface, VARIANT v)
 156 {
 157     HTMLStyleElement *This = impl_from_IHTMLStyleElement(iface);
 158     FIXME("(%p)->(%s)\n", This, debugstr_variant(&v));
 159     return E_NOTIMPL;
 160 }
 161
 162 static HRESULT WINAPI HTMLStyleElement_get_onerror(IHTMLStyleElement *iface, VARIANT *p)
 163 {
 164     HTMLStyleElement *This = impl_from_IHTMLStyleElement(iface);
 165     FIXME("(%p)->(%p)\n", This, p);
 166     return E_NOTIMPL;
 167 }
 168
 169 static HRESULT WINAPI HTMLStyleElement_get_styleSheet(IHTMLStyleElement *iface, IHTMLStyleSheet **p)
 170 {
 171     HTMLStyleElement *This = impl_from_IHTMLStyleElement(iface);
 172
 173     TRACE("(%p)->(%p)\n", This, p);
 174
 175     if(!This->nsstyle)
 176         return E_FAIL;
 177
 178     if(!This->style_sheet) {
 179         nsIDOMStyleSheet *ss;
 180         nsresult nsres;
 181
 182         nsres = nsIDOMHTMLStyleElement_GetDOMStyleSheet(This->nsstyle, &ss);
 183         assert(nsres == NS_OK);
 184
 185         if(ss) {
 186             This->style_sheet = HTMLStyleSheet_Create(ss);
 187             nsIDOMStyleSheet_Release(ss);
 188             if(!This->style_sheet)
 189                 return E_OUTOFMEMORY;
 190         }
 191     }
 192
 193     if(This->style_sheet)
 194         IHTMLStyleSheet_AddRef(This->style_sheet);
 195     *p = This->style_sheet;
 196     return S_OK;
 197 }
 198
 199 static HRESULT WINAPI HTMLStyleElement_put_disabled(IHTMLStyleElement *iface, VARIANT_BOOL v)
 200 {
 201     HTMLStyleElement *This = impl_from_IHTMLStyleElement(iface);
 202     FIXME("(%p)->(%x)\n", This, v);
 203     return E_NOTIMPL;
 204 }
 205
 206 static HRESULT WINAPI HTMLStyleElement_get_disabled(IHTMLStyleElement *iface, VARIANT_BOOL *p)
 207 {
 208     HTMLStyleElement *This = impl_from_IHTMLStyleElement(iface);
 209     FIXME("(%p)->(%p)\n", This, p);
 210     return E_NOTIMPL;
 211 }
 212
 213 static HRESULT WINAPI HTMLStyleElement_put_media(IHTMLStyleElement *iface, BSTR v)
 214 {
 215     HTMLStyleElement *This = impl_from_IHTMLStyleElement(iface);
 216     nsAString media_str;
 217     nsresult nsres;
 218
 219     TRACE("(%p)->(%s)\n", This, debugstr_w(v));
 220
 221     nsAString_InitDepend(&media_str, v);
 222     nsres = nsIDOMHTMLStyleElement_SetMedia(This->nsstyle, &media_str);
 223     nsAString_Finish(&media_str);
 224     if(NS_FAILED(nsres)) {
 225         ERR("SetMedia failed: %08x\n", nsres);
 226         return E_FAIL;
 227     }
 228
 229     return S_OK;
 230 }
 231
 232 static HRESULT WINAPI HTMLStyleElement_get_media(IHTMLStyleElement *iface, BSTR *p)
 233 {
 234     HTMLStyleElement *This = impl_from_IHTMLStyleElement(iface);
 235     nsAString nsstr;
 236     nsresult nsres;
 237
 238     TRACE("(%p)->(%p)\n", This, p);
 239
 240     nsAString_Init(&nsstr, NULL);
 241     nsres = nsIDOMHTMLStyleElement_GetMedia(This->nsstyle, &nsstr);
 242     return return_nsstr(nsres, &nsstr, p);
 243 }
 244
 245 static const IHTMLStyleElementVtbl HTMLStyleElementVtbl = {
 246     HTMLStyleElement_QueryInterface,
 247     HTMLStyleElement_AddRef,
 248     HTMLStyleElement_Release,
 249     HTMLStyleElement_GetTypeInfoCount,
 250     HTMLStyleElement_GetTypeInfo,
 251     HTMLStyleElement_GetIDsOfNames,
 252     HTMLStyleElement_Invoke,
 253     HTMLStyleElement_put_type,
 254     HTMLStyleElement_get_type,
 255     HTMLStyleElement_get_readyState,
 256     HTMLStyleElement_put_onreadystatechange,
 257     HTMLStyleElement_get_onreadystatechange,
 258     HTMLStyleElement_put_onload,
 259     HTMLStyleElement_get_onload,
 260     HTMLStyleElement_put_onerror,
 261     HTMLStyleElement_get_onerror,
 262     HTMLStyleElement_get_styleSheet,
 263     HTMLStyleElement_put_disabled,
 264     HTMLStyleElement_get_disabled,
 265     HTMLStyleElement_put_media,
 266     HTMLStyleElement_get_media
 267 };
 268
 269 static inline HTMLStyleElement *impl_from_HTMLDOMNode(HTMLDOMNode *iface)
 270 {
 271     return CONTAINING_RECORD(iface, HTMLStyleElement, element.node);
 272 }
 273
 274 static HRESULT HTMLStyleElement_QI(HTMLDOMNode *iface, REFIID riid, void **ppv)
 275 {
 276     HTMLStyleElement *This = impl_from_HTMLDOMNode(iface);
 277
 278     if(IsEqualGUID(&IID_IUnknown, riid)) {
 279         TRACE("(%p)->(IID_IUnknown %p)\n", This, ppv);
 280         *ppv = &This->IHTMLStyleElement_iface;
 281     }else if(IsEqualGUID(&IID_IDispatch, riid)) {
 282         TRACE("(%p)->(IID_IDispatch %p)\n", This, ppv);
 283         *ppv = &This->IHTMLStyleElement_iface;
 284     }else if(IsEqualGUID(&IID_IHTMLStyleElement, riid)) {
 285         TRACE("(%p)->(IID_IHTMLStyleElement %p)\n", This, ppv);
 286         *ppv = &This->IHTMLStyleElement_iface;
 287     }else {
 288         return HTMLElement_QI(&This->element.node, riid, ppv);
 289     }
 290
 291     IUnknown_AddRef((IUnknown*)*ppv);
 292     return S_OK;
 293 }
 294
 295 static void HTMLStyleElement_destructor(HTMLDOMNode *iface)
 296 {
 297     HTMLStyleElement *This = impl_from_HTMLDOMNode(iface);
 298
 299     if(This->style_sheet) {
 300         IHTMLStyleSheet_Release(This->style_sheet);
 301         This->style_sheet = NULL;
 302     }
 303
 304     HTMLElement_destructor(iface);
 305 }
 306
 307 static const NodeImplVtbl HTMLStyleElementImplVtbl = {
 308     HTMLStyleElement_QI,
 309     HTMLStyleElement_destructor,
 310     HTMLElement_cpc,
 311     HTMLElement_clone,
 312     HTMLElement_handle_event,
 313     HTMLElement_get_attr_col
 314 };
 315
 316 static const tid_t HTMLStyleElement_iface_tids[] = {
 317     HTMLELEMENT_TIDS,
 318     IHTMLStyleElement_tid,
 319     0
 320 };
 321 static dispex_static_data_t HTMLStyleElement_dispex = {
 322     NULL,
 323     DispHTMLStyleElement_tid,
 324     NULL,
 325     HTMLStyleElement_iface_tids
 326 };
 327
 328 HRESULT HTMLStyleElement_Create(HTMLDocumentNode *doc, nsIDOMHTMLElement *nselem, HTMLElement **elem)
 329 {
 330     HTMLStyleElement *ret;
 331     nsresult nsres;
 332
 333     ret = heap_alloc_zero(sizeof(*ret));
 334     if(!ret)
 335         return E_OUTOFMEMORY;
 336
 337     ret->IHTMLStyleElement_iface.lpVtbl = &HTMLStyleElementVtbl;
 338     ret->element.node.vtbl = &HTMLStyleElementImplVtbl;
 339
 340     HTMLElement_Init(&ret->element, doc, nselem, &HTMLStyleElement_dispex);
 341
 342     nsres = nsIDOMHTMLElement_QueryInterface(nselem, &IID_nsIDOMHTMLStyleElement, (void**)&ret->nsstyle);
 343
 344     /* Share nsstyle reference with nsnode */
 345     assert(nsres == NS_OK && (nsIDOMNode*)ret->nsstyle == ret->element.node.nsnode);
 346     nsIDOMNode_Release(ret->element.node.nsnode);
 347
 348     *elem = &ret->element;
 349     return S_OK;
 350 }