dlls/mshtml/htmlselect.c

   1 /*
   2  * Copyright 2006 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 "wine/debug.h"
  30
  31 #include "mshtml_private.h"
  32 #include "htmlevent.h"
  33
  34 WINE_DEFAULT_DEBUG_CHANNEL(mshtml);
  35
  36 typedef struct {
  37     HTMLElement element;
  38
  39     IHTMLSelectElement IHTMLSelectElement_iface;
  40
  41     nsIDOMHTMLSelectElement *nsselect;
  42 } HTMLSelectElement;
  43
  44 static inline HTMLSelectElement *impl_from_IHTMLSelectElement(IHTMLSelectElement *iface)
  45 {
  46     return CONTAINING_RECORD(iface, HTMLSelectElement, IHTMLSelectElement_iface);
  47 }
  48
  49 static HRESULT htmlselect_item(HTMLSelectElement *This, int i, IDispatch **ret)
  50 {
  51     nsIDOMHTMLOptionsCollection *nscol;
  52     nsIDOMNode *nsnode;
  53     nsresult nsres;
  54     HRESULT hres;
  55
  56     nsres = nsIDOMHTMLSelectElement_GetOptions(This->nsselect, &nscol);
  57     if(NS_FAILED(nsres)) {
  58         ERR("GetOptions failed: %08x\n", nsres);
  59         return E_FAIL;
  60     }
  61
  62     nsres = nsIDOMHTMLOptionsCollection_Item(nscol, i, &nsnode);
  63     nsIDOMHTMLOptionsCollection_Release(nscol);
  64     if(NS_FAILED(nsres)) {
  65         ERR("Item failed: %08x\n", nsres);
  66         return E_FAIL;
  67     }
  68
  69     if(nsnode) {
  70         HTMLDOMNode *node;
  71
  72         hres = get_node(This->element.node.doc, nsnode, TRUE, &node);
  73         nsIDOMNode_Release(nsnode);
  74         if(FAILED(hres))
  75             return hres;
  76
  77         *ret = (IDispatch*)&node->IHTMLDOMNode_iface;
  78     }else {
  79         *ret = NULL;
  80     }
  81     return S_OK;
  82 }
  83
  84 static HRESULT WINAPI HTMLSelectElement_QueryInterface(IHTMLSelectElement *iface,
  85                                                          REFIID riid, void **ppv)
  86 {
  87     HTMLSelectElement *This = impl_from_IHTMLSelectElement(iface);
  88
  89     return IHTMLDOMNode_QueryInterface(&This->element.node.IHTMLDOMNode_iface, riid, ppv);
  90 }
  91
  92 static ULONG WINAPI HTMLSelectElement_AddRef(IHTMLSelectElement *iface)
  93 {
  94     HTMLSelectElement *This = impl_from_IHTMLSelectElement(iface);
  95
  96     return IHTMLDOMNode_AddRef(&This->element.node.IHTMLDOMNode_iface);
  97 }
  98
  99 static ULONG WINAPI HTMLSelectElement_Release(IHTMLSelectElement *iface)
 100 {
 101     HTMLSelectElement *This = impl_from_IHTMLSelectElement(iface);
 102
 103     return IHTMLDOMNode_Release(&This->element.node.IHTMLDOMNode_iface);
 104 }
 105
 106 static HRESULT WINAPI HTMLSelectElement_GetTypeInfoCount(IHTMLSelectElement *iface, UINT *pctinfo)
 107 {
 108     HTMLSelectElement *This = impl_from_IHTMLSelectElement(iface);
 109
 110     return IDispatchEx_GetTypeInfoCount(&This->element.node.event_target.dispex.IDispatchEx_iface, pctinfo);
 111 }
 112
 113 static HRESULT WINAPI HTMLSelectElement_GetTypeInfo(IHTMLSelectElement *iface, UINT iTInfo,
 114                                               LCID lcid, ITypeInfo **ppTInfo)
 115 {
 116     HTMLSelectElement *This = impl_from_IHTMLSelectElement(iface);
 117
 118     return IDispatchEx_GetTypeInfo(&This->element.node.event_target.dispex.IDispatchEx_iface, iTInfo, lcid,
 119             ppTInfo);
 120 }
 121
 122 static HRESULT WINAPI HTMLSelectElement_GetIDsOfNames(IHTMLSelectElement *iface, REFIID riid,
 123                                                 LPOLESTR *rgszNames, UINT cNames,
 124                                                 LCID lcid, DISPID *rgDispId)
 125 {
 126     HTMLSelectElement *This = impl_from_IHTMLSelectElement(iface);
 127
 128     return IDispatchEx_GetIDsOfNames(&This->element.node.event_target.dispex.IDispatchEx_iface, riid, rgszNames,
 129             cNames, lcid, rgDispId);
 130 }
 131
 132 static HRESULT WINAPI HTMLSelectElement_Invoke(IHTMLSelectElement *iface, DISPID dispIdMember,
 133                             REFIID riid, LCID lcid, WORD wFlags, DISPPARAMS *pDispParams,
 134                             VARIANT *pVarResult, EXCEPINFO *pExcepInfo, UINT *puArgErr)
 135 {
 136     HTMLSelectElement *This = impl_from_IHTMLSelectElement(iface);
 137
 138     return IDispatchEx_Invoke(&This->element.node.event_target.dispex.IDispatchEx_iface, dispIdMember, riid,
 139             lcid, wFlags, pDispParams, pVarResult, pExcepInfo, puArgErr);
 140 }
 141
 142 static HRESULT WINAPI HTMLSelectElement_put_size(IHTMLSelectElement *iface, LONG v)
 143 {
 144     HTMLSelectElement *This = impl_from_IHTMLSelectElement(iface);
 145     FIXME("(%p)->(%d)\n", This, v);
 146     return E_NOTIMPL;
 147 }
 148
 149 static HRESULT WINAPI HTMLSelectElement_get_size(IHTMLSelectElement *iface, LONG *p)
 150 {
 151     HTMLSelectElement *This = impl_from_IHTMLSelectElement(iface);
 152     FIXME("(%p)->(%p)\n", This, p);
 153     return E_NOTIMPL;
 154 }
 155
 156 static HRESULT WINAPI HTMLSelectElement_put_multiple(IHTMLSelectElement *iface, VARIANT_BOOL v)
 157 {
 158     HTMLSelectElement *This = impl_from_IHTMLSelectElement(iface);
 159     nsresult nsres;
 160
 161     TRACE("(%p)->(%x)\n", This, v);
 162
 163     nsres = nsIDOMHTMLSelectElement_SetMultiple(This->nsselect, !!v);
 164     assert(nsres == NS_OK);
 165     return S_OK;
 166 }
 167
 168 static HRESULT WINAPI HTMLSelectElement_get_multiple(IHTMLSelectElement *iface, VARIANT_BOOL *p)
 169 {
 170     HTMLSelectElement *This = impl_from_IHTMLSelectElement(iface);
 171     cpp_bool val;
 172     nsresult nsres;
 173
 174     TRACE("(%p)->(%p)\n", This, p);
 175
 176     nsres = nsIDOMHTMLSelectElement_GetMultiple(This->nsselect, &val);
 177     assert(nsres == NS_OK);
 178
 179     *p = val ? VARIANT_TRUE : VARIANT_FALSE;
 180     return S_OK;
 181 }
 182
 183 static HRESULT WINAPI HTMLSelectElement_put_name(IHTMLSelectElement *iface, BSTR v)
 184 {
 185     HTMLSelectElement *This = impl_from_IHTMLSelectElement(iface);
 186     FIXME("(%p)->(%s)\n", This, debugstr_w(v));
 187     return E_NOTIMPL;
 188 }
 189
 190 static HRESULT WINAPI HTMLSelectElement_get_name(IHTMLSelectElement *iface, BSTR *p)
 191 {
 192     HTMLSelectElement *This = impl_from_IHTMLSelectElement(iface);
 193     nsAString name_str;
 194     const PRUnichar *name = NULL;
 195     nsresult nsres;
 196
 197     TRACE("(%p)->(%p)\n", This, p);
 198
 199     nsAString_Init(&name_str, NULL);
 200
 201     nsres = nsIDOMHTMLSelectElement_GetName(This->nsselect, &name_str);
 202     if(NS_SUCCEEDED(nsres)) {
 203         static const WCHAR wszGarbage[] = {'g','a','r','b','a','g','e',0};
 204
 205         nsAString_GetData(&name_str, &name);
 206
 207         /*
 208          * Native never returns empty string here. If an element has no name,
 209          * name of previous element or ramdom data is returned.
 210          */
 211         *p = SysAllocString(*name ? name : wszGarbage);
 212     }else {
 213         ERR("GetName failed: %08x\n", nsres);
 214     }
 215
 216     nsAString_Finish(&name_str);
 217
 218     TRACE("name=%s\n", debugstr_w(*p));
 219     return S_OK;
 220 }
 221
 222 static HRESULT WINAPI HTMLSelectElement_get_options(IHTMLSelectElement *iface, IDispatch **p)
 223 {
 224     HTMLSelectElement *This = impl_from_IHTMLSelectElement(iface);
 225
 226     TRACE("(%p)->(%p)\n", This, p);
 227
 228     *p = (IDispatch*)&This->IHTMLSelectElement_iface;
 229     IDispatch_AddRef(*p);
 230     return S_OK;
 231 }
 232
 233 static HRESULT WINAPI HTMLSelectElement_put_onchange(IHTMLSelectElement *iface, VARIANT v)
 234 {
 235     HTMLSelectElement *This = impl_from_IHTMLSelectElement(iface);
 236
 237     TRACE("(%p)->()\n", This);
 238
 239     return set_node_event(&This->element.node, EVENTID_CHANGE, &v);
 240 }
 241
 242 static HRESULT WINAPI HTMLSelectElement_get_onchange(IHTMLSelectElement *iface, VARIANT *p)
 243 {
 244     HTMLSelectElement *This = impl_from_IHTMLSelectElement(iface);
 245     FIXME("(%p)->(%p)\n", This, p);
 246     return E_NOTIMPL;
 247 }
 248
 249 static HRESULT WINAPI HTMLSelectElement_put_selectedIndex(IHTMLSelectElement *iface, LONG v)
 250 {
 251     HTMLSelectElement *This = impl_from_IHTMLSelectElement(iface);
 252     nsresult nsres;
 253
 254     TRACE("(%p)->(%d)\n", This, v);
 255
 256     nsres = nsIDOMHTMLSelectElement_SetSelectedIndex(This->nsselect, v);
 257     if(NS_FAILED(nsres))
 258         ERR("SetSelectedIndex failed: %08x\n", nsres);
 259
 260     return S_OK;
 261 }
 262
 263 static HRESULT WINAPI HTMLSelectElement_get_selectedIndex(IHTMLSelectElement *iface, LONG *p)
 264 {
 265     HTMLSelectElement *This = impl_from_IHTMLSelectElement(iface);
 266     nsresult nsres;
 267
 268     TRACE("(%p)->(%p)\n", This, p);
 269
 270     nsres = nsIDOMHTMLSelectElement_GetSelectedIndex(This->nsselect, p);
 271     if(NS_FAILED(nsres)) {
 272         ERR("GetSelectedIndex failed: %08x\n", nsres);
 273         return E_FAIL;
 274     }
 275
 276     return S_OK;
 277 }
 278
 279 static HRESULT WINAPI HTMLSelectElement_get_type(IHTMLSelectElement *iface, BSTR *p)
 280 {
 281     HTMLSelectElement *This = impl_from_IHTMLSelectElement(iface);
 282     nsAString type_str;
 283     nsresult nsres;
 284
 285     TRACE("(%p)->(%p)\n", This, p);
 286
 287     nsAString_Init(&type_str, NULL);
 288     nsres = nsIDOMHTMLSelectElement_GetType(This->nsselect, &type_str);
 289     return return_nsstr(nsres, &type_str, p);
 290 }
 291
 292 static HRESULT WINAPI HTMLSelectElement_put_value(IHTMLSelectElement *iface, BSTR v)
 293 {
 294     HTMLSelectElement *This = impl_from_IHTMLSelectElement(iface);
 295     nsAString value_str;
 296     nsresult nsres;
 297
 298     TRACE("(%p)->(%s)\n", This, debugstr_w(v));
 299
 300     nsAString_InitDepend(&value_str, v);
 301     nsres = nsIDOMHTMLSelectElement_SetValue(This->nsselect, &value_str);
 302     nsAString_Finish(&value_str);
 303     if(NS_FAILED(nsres))
 304         ERR("SetValue failed: %08x\n", nsres);
 305
 306     return S_OK;
 307 }
 308
 309 static HRESULT WINAPI HTMLSelectElement_get_value(IHTMLSelectElement *iface, BSTR *p)
 310 {
 311     HTMLSelectElement *This = impl_from_IHTMLSelectElement(iface);
 312     nsAString value_str;
 313     nsresult nsres;
 314
 315     TRACE("(%p)->(%p)\n", This, p);
 316
 317     nsAString_Init(&value_str, NULL);
 318     nsres = nsIDOMHTMLSelectElement_GetValue(This->nsselect, &value_str);
 319     return return_nsstr(nsres, &value_str, p);
 320 }
 321
 322 static HRESULT WINAPI HTMLSelectElement_put_disabled(IHTMLSelectElement *iface, VARIANT_BOOL v)
 323 {
 324     HTMLSelectElement *This = impl_from_IHTMLSelectElement(iface);
 325     nsresult nsres;
 326
 327     TRACE("(%p)->(%x)\n", This, v);
 328
 329     nsres = nsIDOMHTMLSelectElement_SetDisabled(This->nsselect, v != VARIANT_FALSE);
 330     if(NS_FAILED(nsres)) {
 331         ERR("SetDisabled failed: %08x\n", nsres);
 332         return E_FAIL;
 333     }
 334
 335     return S_OK;
 336 }
 337
 338 static HRESULT WINAPI HTMLSelectElement_get_disabled(IHTMLSelectElement *iface, VARIANT_BOOL *p)
 339 {
 340     HTMLSelectElement *This = impl_from_IHTMLSelectElement(iface);
 341     cpp_bool disabled = FALSE;
 342     nsresult nsres;
 343
 344     TRACE("(%p)->(%p)\n", This, p);
 345
 346     nsres = nsIDOMHTMLSelectElement_GetDisabled(This->nsselect, &disabled);
 347     if(NS_FAILED(nsres)) {
 348         ERR("GetDisabled failed: %08x\n", nsres);
 349         return E_FAIL;
 350     }
 351
 352     *p = disabled ? VARIANT_TRUE : VARIANT_FALSE;
 353     return S_OK;
 354 }
 355
 356 static HRESULT WINAPI HTMLSelectElement_get_form(IHTMLSelectElement *iface, IHTMLFormElement **p)
 357 {
 358     HTMLSelectElement *This = impl_from_IHTMLSelectElement(iface);
 359     FIXME("(%p)->(%p)\n", This, p);
 360     return E_NOTIMPL;
 361 }
 362
 363 static HRESULT WINAPI HTMLSelectElement_add(IHTMLSelectElement *iface, IHTMLElement *element,
 364                                             VARIANT before)
 365 {
 366     HTMLSelectElement *This = impl_from_IHTMLSelectElement(iface);
 367     nsIWritableVariant *nsvariant;
 368     HTMLElement *element_obj;
 369     nsresult nsres;
 370
 371     TRACE("(%p)->(%p %s)\n", This, element, debugstr_variant(&before));
 372
 373     element_obj = unsafe_impl_from_IHTMLElement(element);
 374     if(!element_obj) {
 375         FIXME("External IHTMLElement implementation?\n");
 376         return E_INVALIDARG;
 377     }
 378
 379     nsvariant = create_nsvariant();
 380     if(!nsvariant)
 381         return E_FAIL;
 382
 383     switch(V_VT(&before)) {
 384     case VT_EMPTY:
 385     case VT_ERROR:
 386         nsres = nsIWritableVariant_SetAsEmpty(nsvariant);
 387         break;
 388     case VT_I2:
 389         nsres = nsIWritableVariant_SetAsInt16(nsvariant, V_I2(&before));
 390         break;
 391     default:
 392         FIXME("unhandled before %s\n", debugstr_variant(&before));
 393         nsIWritableVariant_Release(nsvariant);
 394         return E_NOTIMPL;
 395     }
 396
 397     if(NS_SUCCEEDED(nsres))
 398         nsres = nsIDOMHTMLSelectElement_Add(This->nsselect, element_obj->nselem, (nsIVariant*)nsvariant);
 399     nsIWritableVariant_Release(nsvariant);
 400     if(NS_FAILED(nsres)) {
 401         ERR("Add failed: %08x\n", nsres);
 402         return E_FAIL;
 403     }
 404
 405     return S_OK;
 406 }
 407
 408 static HRESULT WINAPI HTMLSelectElement_remove(IHTMLSelectElement *iface, LONG index)
 409 {
 410     HTMLSelectElement *This = impl_from_IHTMLSelectElement(iface);
 411     nsresult nsres;
 412     TRACE("(%p)->(%d)\n", This, index);
 413     nsres = nsIDOMHTMLSelectElement_select_Remove(This->nsselect, index);
 414     if(NS_FAILED(nsres)) {
 415         ERR("Remove failed: %08x\n", nsres);
 416         return E_FAIL;
 417     }
 418     return S_OK;
 419 }
 420
 421 static HRESULT WINAPI HTMLSelectElement_put_length(IHTMLSelectElement *iface, LONG v)
 422 {
 423     HTMLSelectElement *This = impl_from_IHTMLSelectElement(iface);
 424     nsresult nsres;
 425
 426     TRACE("(%p)->(%d)\n", This, v);
 427
 428     nsres = nsIDOMHTMLSelectElement_SetLength(This->nsselect, v);
 429     if(NS_FAILED(nsres))
 430         ERR("SetLength failed: %08x\n", nsres);
 431
 432     return S_OK;
 433 }
 434
 435 static HRESULT WINAPI HTMLSelectElement_get_length(IHTMLSelectElement *iface, LONG *p)
 436 {
 437     HTMLSelectElement *This = impl_from_IHTMLSelectElement(iface);
 438     UINT32 length = 0;
 439     nsresult nsres;
 440
 441     TRACE("(%p)->(%p)\n", This, p);
 442
 443     nsres = nsIDOMHTMLSelectElement_GetLength(This->nsselect, &length);
 444     if(NS_FAILED(nsres))
 445         ERR("GetLength failed: %08x\n", nsres);
 446
 447     *p = length;
 448
 449     TRACE("ret %d\n", *p);
 450     return S_OK;
 451 }
 452
 453 static HRESULT WINAPI HTMLSelectElement_get__newEnum(IHTMLSelectElement *iface, IUnknown **p)
 454 {
 455     HTMLSelectElement *This = impl_from_IHTMLSelectElement(iface);
 456     FIXME("(%p)->(%p)\n", This, p);
 457     return E_NOTIMPL;
 458 }
 459
 460 static HRESULT WINAPI HTMLSelectElement_item(IHTMLSelectElement *iface, VARIANT name,
 461                                              VARIANT index, IDispatch **pdisp)
 462 {
 463     HTMLSelectElement *This = impl_from_IHTMLSelectElement(iface);
 464
 465     TRACE("(%p)->(%s %s %p)\n", This, debugstr_variant(&name), debugstr_variant(&index), pdisp);
 466
 467     if(!pdisp)
 468         return E_POINTER;
 469     *pdisp = NULL;
 470
 471     if(V_VT(&name) == VT_I4) {
 472         if(V_I4(&name) < 0)
 473             return E_INVALIDARG;
 474         return htmlselect_item(This, V_I4(&name), pdisp);
 475     }
 476
 477     FIXME("Unsupported args\n");
 478     return E_NOTIMPL;
 479 }
 480
 481 static HRESULT WINAPI HTMLSelectElement_tags(IHTMLSelectElement *iface, VARIANT tagName,
 482                                              IDispatch **pdisp)
 483 {
 484     HTMLSelectElement *This = impl_from_IHTMLSelectElement(iface);
 485     FIXME("(%p)->(v %p)\n", This, pdisp);
 486     return E_NOTIMPL;
 487 }
 488
 489 static const IHTMLSelectElementVtbl HTMLSelectElementVtbl = {
 490     HTMLSelectElement_QueryInterface,
 491     HTMLSelectElement_AddRef,
 492     HTMLSelectElement_Release,
 493     HTMLSelectElement_GetTypeInfoCount,
 494     HTMLSelectElement_GetTypeInfo,
 495     HTMLSelectElement_GetIDsOfNames,
 496     HTMLSelectElement_Invoke,
 497     HTMLSelectElement_put_size,
 498     HTMLSelectElement_get_size,
 499     HTMLSelectElement_put_multiple,
 500     HTMLSelectElement_get_multiple,
 501     HTMLSelectElement_put_name,
 502     HTMLSelectElement_get_name,
 503     HTMLSelectElement_get_options,
 504     HTMLSelectElement_put_onchange,
 505     HTMLSelectElement_get_onchange,
 506     HTMLSelectElement_put_selectedIndex,
 507     HTMLSelectElement_get_selectedIndex,
 508     HTMLSelectElement_get_type,
 509     HTMLSelectElement_put_value,
 510     HTMLSelectElement_get_value,
 511     HTMLSelectElement_put_disabled,
 512     HTMLSelectElement_get_disabled,
 513     HTMLSelectElement_get_form,
 514     HTMLSelectElement_add,
 515     HTMLSelectElement_remove,
 516     HTMLSelectElement_put_length,
 517     HTMLSelectElement_get_length,
 518     HTMLSelectElement_get__newEnum,
 519     HTMLSelectElement_item,
 520     HTMLSelectElement_tags
 521 };
 522
 523 static inline HTMLSelectElement *impl_from_HTMLDOMNode(HTMLDOMNode *iface)
 524 {
 525     return CONTAINING_RECORD(iface, HTMLSelectElement, element.node);
 526 }
 527
 528 static HRESULT HTMLSelectElement_QI(HTMLDOMNode *iface, REFIID riid, void **ppv)
 529 {
 530     HTMLSelectElement *This = impl_from_HTMLDOMNode(iface);
 531
 532     *ppv = NULL;
 533
 534     if(IsEqualGUID(&IID_IUnknown, riid)) {
 535         TRACE("(%p)->(IID_IUnknown %p)\n", This, ppv);
 536         *ppv = &This->IHTMLSelectElement_iface;
 537     }else if(IsEqualGUID(&IID_IDispatch, riid)) {
 538         TRACE("(%p)->(IID_IDispatch %p)\n", This, ppv);
 539         *ppv = &This->IHTMLSelectElement_iface;
 540     }else if(IsEqualGUID(&IID_IHTMLSelectElement, riid)) {
 541         TRACE("(%p)->(IID_IHTMLSelectElement %p)\n", This, ppv);
 542         *ppv = &This->IHTMLSelectElement_iface;
 543     }
 544
 545     if(*ppv) {
 546         IUnknown_AddRef((IUnknown*)*ppv);
 547         return S_OK;
 548     }
 549
 550     return HTMLElement_QI(&This->element.node, riid, ppv);
 551 }
 552
 553 static HRESULT HTMLSelectElementImpl_put_disabled(HTMLDOMNode *iface, VARIANT_BOOL v)
 554 {
 555     HTMLSelectElement *This = impl_from_HTMLDOMNode(iface);
 556     return IHTMLSelectElement_put_disabled(&This->IHTMLSelectElement_iface, v);
 557 }
 558
 559 static HRESULT HTMLSelectElementImpl_get_disabled(HTMLDOMNode *iface, VARIANT_BOOL *p)
 560 {
 561     HTMLSelectElement *This = impl_from_HTMLDOMNode(iface);
 562     return IHTMLSelectElement_get_disabled(&This->IHTMLSelectElement_iface, p);
 563 }
 564
 565 #define DISPID_OPTIONCOL_0 MSHTML_DISPID_CUSTOM_MIN
 566
 567 static HRESULT HTMLSelectElement_get_dispid(HTMLDOMNode *iface, BSTR name, DWORD flags, DISPID *dispid)
 568 {
 569     const WCHAR *ptr;
 570     DWORD idx = 0;
 571
 572     for(ptr = name; *ptr && isdigitW(*ptr); ptr++) {
 573         idx = idx*10 + (*ptr-'0');
 574         if(idx > MSHTML_CUSTOM_DISPID_CNT) {
 575             WARN("too big idx\n");
 576             return DISP_E_UNKNOWNNAME;
 577         }
 578     }
 579     if(*ptr)
 580         return DISP_E_UNKNOWNNAME;
 581
 582     *dispid = DISPID_OPTIONCOL_0 + idx;
 583     return S_OK;
 584 }
 585
 586 static HRESULT HTMLSelectElement_invoke(HTMLDOMNode *iface, DISPID id, LCID lcid, WORD flags, DISPPARAMS *params,
 587         VARIANT *res, EXCEPINFO *ei, IServiceProvider *caller)
 588 {
 589     HTMLSelectElement *This = impl_from_HTMLDOMNode(iface);
 590
 591     TRACE("(%p)->(%x %x %x %p %p %p %p)\n", This, id, lcid, flags, params, res, ei, caller);
 592
 593     switch(flags) {
 594     case DISPATCH_PROPERTYGET: {
 595         IDispatch *ret;
 596         HRESULT hres;
 597
 598         hres = htmlselect_item(This, id-DISPID_OPTIONCOL_0, &ret);
 599         if(FAILED(hres))
 600             return hres;
 601
 602         if(ret) {
 603             V_VT(res) = VT_DISPATCH;
 604             V_DISPATCH(res) = ret;
 605         }else {
 606             V_VT(res) = VT_NULL;
 607         }
 608         break;
 609     }
 610
 611     default:
 612         FIXME("unimplemented flags %x\n", flags);
 613         return E_NOTIMPL;
 614     }
 615
 616     return S_OK;
 617 }
 618
 619 static void HTMLSelectElement_traverse(HTMLDOMNode *iface, nsCycleCollectionTraversalCallback *cb)
 620 {
 621     HTMLSelectElement *This = impl_from_HTMLDOMNode(iface);
 622
 623     if(This->nsselect)
 624         note_cc_edge((nsISupports*)This->nsselect, "This->nsselect", cb);
 625 }
 626
 627 static void HTMLSelectElement_unlink(HTMLDOMNode *iface)
 628 {
 629     HTMLSelectElement *This = impl_from_HTMLDOMNode(iface);
 630
 631     if(This->nsselect) {
 632         nsIDOMHTMLSelectElement *nsselect = This->nsselect;
 633
 634         This->nsselect = NULL;
 635         nsIDOMHTMLSelectElement_Release(nsselect);
 636     }
 637 }
 638
 639 static const NodeImplVtbl HTMLSelectElementImplVtbl = {
 640     HTMLSelectElement_QI,
 641     HTMLElement_destructor,
 642     HTMLElement_cpc,
 643     HTMLElement_clone,
 644     HTMLElement_handle_event,
 645     HTMLElement_get_attr_col,
 646     NULL,
 647     NULL,
 648     HTMLSelectElementImpl_put_disabled,
 649     HTMLSelectElementImpl_get_disabled,
 650     NULL,
 651     NULL,
 652     HTMLSelectElement_get_dispid,
 653     HTMLSelectElement_invoke,
 654     NULL,
 655     HTMLSelectElement_traverse,
 656     HTMLSelectElement_unlink
 657 };
 658
 659 static const tid_t HTMLSelectElement_tids[] = {
 660     HTMLELEMENT_TIDS,
 661     IHTMLSelectElement_tid,
 662     0
 663 };
 664
 665 static dispex_static_data_t HTMLSelectElement_dispex = {
 666     NULL,
 667     DispHTMLSelectElement_tid,
 668     NULL,
 669     HTMLSelectElement_tids
 670 };
 671
 672 HRESULT HTMLSelectElement_Create(HTMLDocumentNode *doc, nsIDOMHTMLElement *nselem, HTMLElement **elem)
 673 {
 674     HTMLSelectElement *ret;
 675     nsresult nsres;
 676
 677     ret = heap_alloc_zero(sizeof(HTMLSelectElement));
 678     if(!ret)
 679         return E_OUTOFMEMORY;
 680
 681     ret->IHTMLSelectElement_iface.lpVtbl = &HTMLSelectElementVtbl;
 682     ret->element.node.vtbl = &HTMLSelectElementImplVtbl;
 683
 684     HTMLElement_Init(&ret->element, doc, nselem, &HTMLSelectElement_dispex);
 685
 686     nsres = nsIDOMHTMLElement_QueryInterface(nselem, &IID_nsIDOMHTMLSelectElement,
 687                                              (void**)&ret->nsselect);
 688     assert(nsres == NS_OK);
 689
 690     *elem = &ret->element;
 691     return S_OK;
 692 }