dlls/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 <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 "winreg.h"
  28 #include "ole2.h"
  29
  30 #include "wine/debug.h"
  31
  32 #include "mshtml_private.h"
  33
  34 WINE_DEFAULT_DEBUG_CHANNEL(mshtml);
  35
  36 struct HTMLStyleElement {
  37     HTMLElement element;
  38
  39     IHTMLStyleElement IHTMLStyleElement_iface;
  40
  41     nsIDOMHTMLStyleElement *nsstyle;
  42     IHTMLStyleSheet *style_sheet;
  43 };
  44
  45 static inline HTMLStyleElement *impl_from_IHTMLStyleElement(IHTMLStyleElement *iface)
  46 {
  47     return CONTAINING_RECORD(iface, HTMLStyleElement, IHTMLStyleElement_iface);
  48 }
  49
  50 static HRESULT WINAPI HTMLStyleElement_QueryInterface(IHTMLStyleElement *iface,
  51         REFIID riid, void **ppv)
  52 {
  53     HTMLStyleElement *This = impl_from_IHTMLStyleElement(iface);
  54
  55     return IHTMLDOMNode_QueryInterface(&This->element.node.IHTMLDOMNode_iface, riid, ppv);
  56 }
  57
  58 static ULONG WINAPI HTMLStyleElement_AddRef(IHTMLStyleElement *iface)
  59 {
  60     HTMLStyleElement *This = impl_from_IHTMLStyleElement(iface);
  61
  62     return IHTMLDOMNode_AddRef(&This->element.node.IHTMLDOMNode_iface);
  63 }
  64
  65 static ULONG WINAPI HTMLStyleElement_Release(IHTMLStyleElement *iface)
  66 {
  67     HTMLStyleElement *This = impl_from_IHTMLStyleElement(iface);
  68
  69     return IHTMLDOMNode_Release(&This->element.node.IHTMLDOMNode_iface);
  70 }
  71
  72 static HRESULT WINAPI HTMLStyleElement_GetTypeInfoCount(IHTMLStyleElement *iface, UINT *pctinfo)
  73 {
  74     HTMLStyleElement *This = impl_from_IHTMLStyleElement(iface);
  75     return IDispatchEx_GetTypeInfoCount(&This->element.node.event_target.dispex.IDispatchEx_iface, pctinfo);
  76 }
  77
  78 static HRESULT WINAPI HTMLStyleElement_GetTypeInfo(IHTMLStyleElement *iface, UINT iTInfo,
  79         LCID lcid, ITypeInfo **ppTInfo)
  80 {
  81     HTMLStyleElement *This = impl_from_IHTMLStyleElement(iface);
  82     return IDispatchEx_GetTypeInfo(&This->element.node.event_target.dispex.IDispatchEx_iface, iTInfo, lcid,
  83             ppTInfo);
  84 }
  85
  86 static HRESULT WINAPI HTMLStyleElement_GetIDsOfNames(IHTMLStyleElement *iface, REFIID riid,
  87         LPOLESTR *rgszNames, UINT cNames, LCID lcid, DISPID *rgDispId)
  88 {
  89     HTMLStyleElement *This = impl_from_IHTMLStyleElement(iface);
  90     return IDispatchEx_GetIDsOfNames(&This->element.node.event_target.dispex.IDispatchEx_iface, riid, rgszNames,
  91             cNames, lcid, rgDispId);
  92 }
  93
  94 static HRESULT WINAPI HTMLStyleElement_Invoke(IHTMLStyleElement *iface, DISPID dispIdMember,
  95         REFIID riid, LCID lcid, WORD wFlags, DISPPARAMS *pDispParams,
  96         VARIANT *pVarResult, EXCEPINFO *pExcepInfo, UINT *puArgErr)
  97 {
  98     HTMLStyleElement *This = impl_from_IHTMLStyleElement(iface);
  99     return IDispatchEx_Invoke(&This->element.node.event_target.dispex.IDispatchEx_iface, dispIdMember, riid,
 100             lcid, wFlags, pDispParams, pVarResult, pExcepInfo, puArgErr);
 101 }
 102
 103 static HRESULT WINAPI HTMLStyleElement_put_type(IHTMLStyleElement *iface, BSTR v)
 104 {
 105     HTMLStyleElement *This = impl_from_IHTMLStyleElement(iface);
 106     nsAString type_str;
 107     nsresult nsres;
 108
 109     TRACE("(%p)->(%s)\n", This, debugstr_w(v));
 110
 111     nsAString_InitDepend(&type_str, v);
 112     nsres = nsIDOMHTMLStyleElement_SetType(This->nsstyle, &type_str);
 113     nsAString_Finish(&type_str);
 114     if(NS_FAILED(nsres)) {
 115         ERR("SetType failed: %08x\n", nsres);
 116         return E_FAIL;
 117     }
 118
 119     return S_OK;
 120 }
 121
 122 static HRESULT WINAPI HTMLStyleElement_get_type(IHTMLStyleElement *iface, BSTR *p)
 123 {
 124     HTMLStyleElement *This = impl_from_IHTMLStyleElement(iface);
 125     nsAString nsstr;
 126     nsresult nsres;
 127
 128     TRACE("(%p)->(%p)\n", This, p);
 129
 130     nsAString_Init(&nsstr, NULL);
 131     nsres = nsIDOMHTMLStyleElement_GetType(This->nsstyle, &nsstr);
 132     return return_nsstr(nsres, &nsstr, p);
 133 }
 134
 135 static HRESULT WINAPI HTMLStyleElement_get_readyState(IHTMLStyleElement *iface, BSTR *p)
 136 {
 137     HTMLStyleElement *This = impl_from_IHTMLStyleElement(iface);
 138     FIXME("(%p)->(%p)\n", This, p);
 139     return E_NOTIMPL;
 140 }
 141
 142 static HRESULT WINAPI HTMLStyleElement_put_onreadystatechange(IHTMLStyleElement *iface, VARIANT v)
 143 {
 144     HTMLStyleElement *This = impl_from_IHTMLStyleElement(iface);
 145     FIXME("(%p)->(%s)\n", This, debugstr_variant(&v));
 146     return E_NOTIMPL;
 147 }
 148
 149 static HRESULT WINAPI HTMLStyleElement_get_onreadystatechange(IHTMLStyleElement *iface, VARIANT *p)
 150 {
 151     HTMLStyleElement *This = impl_from_IHTMLStyleElement(iface);
 152     FIXME("(%p)->(%p)\n", This, p);
 153     return E_NOTIMPL;
 154 }
 155
 156 static HRESULT WINAPI HTMLStyleElement_put_onload(IHTMLStyleElement *iface, VARIANT v)
 157 {
 158     HTMLStyleElement *This = impl_from_IHTMLStyleElement(iface);
 159     FIXME("(%p)->(%s)\n", This, debugstr_variant(&v));
 160     return E_NOTIMPL;
 161 }
 162
 163 static HRESULT WINAPI HTMLStyleElement_get_onload(IHTMLStyleElement *iface, VARIANT *p)
 164 {
 165     HTMLStyleElement *This = impl_from_IHTMLStyleElement(iface);
 166     FIXME("(%p)->(%p)\n", This, p);
 167     return E_NOTIMPL;
 168 }
 169
 170 static HRESULT WINAPI HTMLStyleElement_put_onerror(IHTMLStyleElement *iface, VARIANT v)
 171 {
 172     HTMLStyleElement *This = impl_from_IHTMLStyleElement(iface);
 173     FIXME("(%p)->(%s)\n", This, debugstr_variant(&v));
 174     return E_NOTIMPL;
 175 }
 176
 177 static HRESULT WINAPI HTMLStyleElement_get_onerror(IHTMLStyleElement *iface, VARIANT *p)
 178 {
 179     HTMLStyleElement *This = impl_from_IHTMLStyleElement(iface);
 180     FIXME("(%p)->(%p)\n", This, p);
 181     return E_NOTIMPL;
 182 }
 183
 184 static HRESULT WINAPI HTMLStyleElement_get_styleSheet(IHTMLStyleElement *iface, IHTMLStyleSheet **p)
 185 {
 186     HTMLStyleElement *This = impl_from_IHTMLStyleElement(iface);
 187
 188     TRACE("(%p)->(%p)\n", This, p);
 189
 190     if(!This->nsstyle)
 191         return E_FAIL;
 192
 193     if(!This->style_sheet) {
 194         nsIDOMStyleSheet *ss;
 195         nsresult nsres;
 196
 197         nsres = nsIDOMHTMLStyleElement_GetDOMStyleSheet(This->nsstyle, &ss);
 198         assert(nsres == NS_OK);
 199
 200         if(ss) {
 201             This->style_sheet = HTMLStyleSheet_Create(ss);
 202             nsIDOMStyleSheet_Release(ss);
 203             if(!This->style_sheet)
 204                 return E_OUTOFMEMORY;
 205         }
 206     }
 207
 208     if(This->style_sheet)
 209         IHTMLStyleSheet_AddRef(This->style_sheet);
 210     *p = This->style_sheet;
 211     return S_OK;
 212 }
 213
 214 static HRESULT WINAPI HTMLStyleElement_put_disabled(IHTMLStyleElement *iface, VARIANT_BOOL v)
 215 {
 216     HTMLStyleElement *This = impl_from_IHTMLStyleElement(iface);
 217     FIXME("(%p)->(%x)\n", This, v);
 218     return E_NOTIMPL;
 219 }
 220
 221 static HRESULT WINAPI HTMLStyleElement_get_disabled(IHTMLStyleElement *iface, VARIANT_BOOL *p)
 222 {
 223     HTMLStyleElement *This = impl_from_IHTMLStyleElement(iface);
 224     FIXME("(%p)->(%p)\n", This, p);
 225     return E_NOTIMPL;
 226 }
 227
 228 static HRESULT WINAPI HTMLStyleElement_put_media(IHTMLStyleElement *iface, BSTR v)
 229 {
 230     HTMLStyleElement *This = impl_from_IHTMLStyleElement(iface);
 231     nsAString media_str;
 232     nsresult nsres;
 233
 234     TRACE("(%p)->(%s)\n", This, debugstr_w(v));
 235
 236     nsAString_InitDepend(&media_str, v);
 237     nsres = nsIDOMHTMLStyleElement_SetMedia(This->nsstyle, &media_str);
 238     nsAString_Finish(&media_str);
 239     if(NS_FAILED(nsres)) {
 240         ERR("SetMedia failed: %08x\n", nsres);
 241         return E_FAIL;
 242     }
 243
 244     return S_OK;
 245 }
 246
 247 static HRESULT WINAPI HTMLStyleElement_get_media(IHTMLStyleElement *iface, BSTR *p)
 248 {
 249     HTMLStyleElement *This = impl_from_IHTMLStyleElement(iface);
 250     nsAString nsstr;
 251     nsresult nsres;
 252
 253     TRACE("(%p)->(%p)\n", This, p);
 254
 255     nsAString_Init(&nsstr, NULL);
 256     nsres = nsIDOMHTMLStyleElement_GetMedia(This->nsstyle, &nsstr);
 257     return return_nsstr(nsres, &nsstr, p);
 258 }
 259
 260 static const IHTMLStyleElementVtbl HTMLStyleElementVtbl = {
 261     HTMLStyleElement_QueryInterface,
 262     HTMLStyleElement_AddRef,
 263     HTMLStyleElement_Release,
 264     HTMLStyleElement_GetTypeInfoCount,
 265     HTMLStyleElement_GetTypeInfo,
 266     HTMLStyleElement_GetIDsOfNames,
 267     HTMLStyleElement_Invoke,
 268     HTMLStyleElement_put_type,
 269     HTMLStyleElement_get_type,
 270     HTMLStyleElement_get_readyState,
 271     HTMLStyleElement_put_onreadystatechange,
 272     HTMLStyleElement_get_onreadystatechange,
 273     HTMLStyleElement_put_onload,
 274     HTMLStyleElement_get_onload,
 275     HTMLStyleElement_put_onerror,
 276     HTMLStyleElement_get_onerror,
 277     HTMLStyleElement_get_styleSheet,
 278     HTMLStyleElement_put_disabled,
 279     HTMLStyleElement_get_disabled,
 280     HTMLStyleElement_put_media,
 281     HTMLStyleElement_get_media
 282 };
 283
 284 static inline HTMLStyleElement *impl_from_HTMLDOMNode(HTMLDOMNode *iface)
 285 {
 286     return CONTAINING_RECORD(iface, HTMLStyleElement, element.node);
 287 }
 288
 289 static HRESULT HTMLStyleElement_QI(HTMLDOMNode *iface, REFIID riid, void **ppv)
 290 {
 291     HTMLStyleElement *This = impl_from_HTMLDOMNode(iface);
 292
 293     if(IsEqualGUID(&IID_IUnknown, riid)) {
 294         TRACE("(%p)->(IID_IUnknown %p)\n", This, ppv);
 295         *ppv = &This->IHTMLStyleElement_iface;
 296     }else if(IsEqualGUID(&IID_IDispatch, riid)) {
 297         TRACE("(%p)->(IID_IDispatch %p)\n", This, ppv);
 298         *ppv = &This->IHTMLStyleElement_iface;
 299     }else if(IsEqualGUID(&IID_IHTMLStyleElement, riid)) {
 300         TRACE("(%p)->(IID_IHTMLStyleElement %p)\n", This, ppv);
 301         *ppv = &This->IHTMLStyleElement_iface;
 302     }else {
 303         return HTMLElement_QI(&This->element.node, riid, ppv);
 304     }
 305
 306     IUnknown_AddRef((IUnknown*)*ppv);
 307     return S_OK;
 308 }
 309
 310 static void HTMLStyleElement_destructor(HTMLDOMNode *iface)
 311 {
 312     HTMLStyleElement *This = impl_from_HTMLDOMNode(iface);
 313
 314     if(This->style_sheet) {
 315         IHTMLStyleSheet_Release(This->style_sheet);
 316         This->style_sheet = NULL;
 317     }
 318
 319     HTMLElement_destructor(iface);
 320 }
 321
 322 static void HTMLStyleElement_traverse(HTMLDOMNode *iface, nsCycleCollectionTraversalCallback *cb)
 323 {
 324     HTMLStyleElement *This = impl_from_HTMLDOMNode(iface);
 325
 326     if(This->nsstyle)
 327         note_cc_edge((nsISupports*)This->nsstyle, "This->nsstyle", cb);
 328 }
 329
 330 static void HTMLStyleElement_unlink(HTMLDOMNode *iface)
 331 {
 332     HTMLStyleElement *This = impl_from_HTMLDOMNode(iface);
 333
 334     if(This->nsstyle) {
 335         nsIDOMHTMLStyleElement *nsstyle = This->nsstyle;
 336
 337         This->nsstyle = NULL;
 338         nsIDOMHTMLStyleElement_Release(nsstyle);
 339     }
 340 }
 341
 342 static const NodeImplVtbl HTMLStyleElementImplVtbl = {
 343     &CLSID_HTMLStyleElement,
 344     HTMLStyleElement_QI,
 345     HTMLStyleElement_destructor,
 346     HTMLElement_cpc,
 347     HTMLElement_clone,
 348     HTMLElement_handle_event,
 349     HTMLElement_get_attr_col,
 350     NULL,
 351     NULL,
 352     NULL,
 353     NULL,
 354     NULL,
 355     NULL,
 356     NULL,
 357     NULL,
 358     NULL,
 359     HTMLStyleElement_traverse,
 360     HTMLStyleElement_unlink
 361 };
 362
 363 static const tid_t HTMLStyleElement_iface_tids[] = {
 364     HTMLELEMENT_TIDS,
 365     IHTMLStyleElement_tid,
 366     0
 367 };
 368 static dispex_static_data_t HTMLStyleElement_dispex = {
 369     NULL,
 370     DispHTMLStyleElement_tid,
 371     HTMLStyleElement_iface_tids,
 372     HTMLElement_init_dispex_info
 373 };
 374
 375 HRESULT HTMLStyleElement_Create(HTMLDocumentNode *doc, nsIDOMHTMLElement *nselem, HTMLElement **elem)
 376 {
 377     HTMLStyleElement *ret;
 378     nsresult nsres;
 379
 380     ret = heap_alloc_zero(sizeof(*ret));
 381     if(!ret)
 382         return E_OUTOFMEMORY;
 383
 384     ret->IHTMLStyleElement_iface.lpVtbl = &HTMLStyleElementVtbl;
 385     ret->element.node.vtbl = &HTMLStyleElementImplVtbl;
 386
 387     HTMLElement_Init(&ret->element, doc, nselem, &HTMLStyleElement_dispex);
 388
 389     nsres = nsIDOMHTMLElement_QueryInterface(nselem, &IID_nsIDOMHTMLStyleElement, (void**)&ret->nsstyle);
 390     assert(nsres == NS_OK);
 391
 392     *elem = &ret->element;
 393     return S_OK;
 394 }