dlls/mshtml/htmlform.c

   1 /*
   2  * Copyright 2009 Andrew Eikum 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 #include "binding.h"
  34
  35 WINE_DEFAULT_DEBUG_CHANNEL(mshtml);
  36
  37 struct HTMLFormElement {
  38     HTMLElement element;
  39
  40     IHTMLFormElement IHTMLFormElement_iface;
  41
  42     nsIDOMHTMLFormElement *nsform;
  43 };
  44
  45 HRESULT return_nsform(nsresult nsres, nsIDOMHTMLFormElement *form, IHTMLFormElement **p)
  46 {
  47     nsIDOMNode *form_node;
  48     HTMLDOMNode *node;
  49     HRESULT hres;
  50
  51     if (NS_FAILED(nsres)) {
  52         ERR("GetForm failed: %08x\n", nsres);
  53         return E_FAIL;
  54     }
  55
  56     if(!form) {
  57         *p = NULL;
  58         TRACE("NULL\n");
  59         return S_OK;
  60     }
  61
  62     nsres = nsIDOMHTMLFormElement_QueryInterface(form, &IID_nsIDOMNode, (void**)&form_node);
  63     nsIDOMHTMLFormElement_Release(form);
  64     assert(nsres == NS_OK);
  65
  66     hres = get_node(form_node, TRUE, &node);
  67     nsIDOMNode_Release(form_node);
  68     if (FAILED(hres))
  69         return hres;
  70
  71     TRACE("node %p\n", node);
  72     hres = IHTMLDOMNode_QueryInterface(&node->IHTMLDOMNode_iface, &IID_IHTMLFormElement, (void**)p);
  73     node_release(node);
  74     return hres;
  75 }
  76
  77 static HRESULT htmlform_item(HTMLFormElement *This, int i, IDispatch **ret)
  78 {
  79     nsIDOMHTMLCollection *elements;
  80     nsIDOMNode *item;
  81     HTMLDOMNode *node;
  82     nsresult nsres;
  83     HRESULT hres;
  84
  85     nsres = nsIDOMHTMLFormElement_GetElements(This->nsform, &elements);
  86     if(NS_FAILED(nsres)) {
  87         FIXME("GetElements failed: 0x%08x\n", nsres);
  88         return E_FAIL;
  89     }
  90
  91     nsres = nsIDOMHTMLCollection_Item(elements, i, &item);
  92     nsIDOMHTMLCollection_Release(elements);
  93     if(NS_FAILED(nsres)) {
  94         FIXME("Item failed: 0x%08x\n", nsres);
  95         return E_FAIL;
  96     }
  97
  98     if(item) {
  99         hres = get_node(item, TRUE, &node);
 100         if(FAILED(hres))
 101             return hres;
 102
 103         nsIDOMNode_Release(item);
 104         *ret = (IDispatch*)&node->IHTMLDOMNode_iface;
 105     }else {
 106         *ret = NULL;
 107     }
 108
 109     return S_OK;
 110 }
 111
 112 static inline HTMLFormElement *impl_from_IHTMLFormElement(IHTMLFormElement *iface)
 113 {
 114     return CONTAINING_RECORD(iface, HTMLFormElement, IHTMLFormElement_iface);
 115 }
 116
 117 static HRESULT WINAPI HTMLFormElement_QueryInterface(IHTMLFormElement *iface,
 118         REFIID riid, void **ppv)
 119 {
 120     HTMLFormElement *This = impl_from_IHTMLFormElement(iface);
 121
 122     return IHTMLDOMNode_QueryInterface(&This->element.node.IHTMLDOMNode_iface, riid, ppv);
 123 }
 124
 125 static ULONG WINAPI HTMLFormElement_AddRef(IHTMLFormElement *iface)
 126 {
 127     HTMLFormElement *This = impl_from_IHTMLFormElement(iface);
 128
 129     return IHTMLDOMNode_AddRef(&This->element.node.IHTMLDOMNode_iface);
 130 }
 131
 132 static ULONG WINAPI HTMLFormElement_Release(IHTMLFormElement *iface)
 133 {
 134     HTMLFormElement *This = impl_from_IHTMLFormElement(iface);
 135
 136     return IHTMLDOMNode_Release(&This->element.node.IHTMLDOMNode_iface);
 137 }
 138
 139 static HRESULT WINAPI HTMLFormElement_GetTypeInfoCount(IHTMLFormElement *iface, UINT *pctinfo)
 140 {
 141     HTMLFormElement *This = impl_from_IHTMLFormElement(iface);
 142     return IDispatchEx_GetTypeInfoCount(&This->element.node.event_target.dispex.IDispatchEx_iface, pctinfo);
 143 }
 144
 145 static HRESULT WINAPI HTMLFormElement_GetTypeInfo(IHTMLFormElement *iface, UINT iTInfo,
 146                                               LCID lcid, ITypeInfo **ppTInfo)
 147 {
 148     HTMLFormElement *This = impl_from_IHTMLFormElement(iface);
 149     return IDispatchEx_GetTypeInfo(&This->element.node.event_target.dispex.IDispatchEx_iface, iTInfo, lcid,
 150             ppTInfo);
 151 }
 152
 153 static HRESULT WINAPI HTMLFormElement_GetIDsOfNames(IHTMLFormElement *iface, REFIID riid,
 154                                                 LPOLESTR *rgszNames, UINT cNames,
 155                                                 LCID lcid, DISPID *rgDispId)
 156 {
 157     HTMLFormElement *This = impl_from_IHTMLFormElement(iface);
 158     return IDispatchEx_GetIDsOfNames(&This->element.node.event_target.dispex.IDispatchEx_iface, riid, rgszNames,
 159             cNames, lcid, rgDispId);
 160 }
 161
 162 static HRESULT WINAPI HTMLFormElement_Invoke(IHTMLFormElement *iface, DISPID dispIdMember,
 163                             REFIID riid, LCID lcid, WORD wFlags, DISPPARAMS *pDispParams,
 164                             VARIANT *pVarResult, EXCEPINFO *pExcepInfo, UINT *puArgErr)
 165 {
 166     HTMLFormElement *This = impl_from_IHTMLFormElement(iface);
 167     return IDispatchEx_Invoke(&This->element.node.event_target.dispex.IDispatchEx_iface, dispIdMember, riid,
 168             lcid, wFlags, pDispParams, pVarResult, pExcepInfo, puArgErr);
 169 }
 170
 171 static HRESULT WINAPI HTMLFormElement_put_action(IHTMLFormElement *iface, BSTR v)
 172 {
 173     HTMLFormElement *This = impl_from_IHTMLFormElement(iface);
 174     nsAString action_str;
 175     nsresult nsres;
 176
 177     TRACE("(%p)->(%s)\n", This, wine_dbgstr_w(v));
 178
 179     nsAString_InitDepend(&action_str, v);
 180     nsres = nsIDOMHTMLFormElement_SetAction(This->nsform, &action_str);
 181     nsAString_Finish(&action_str);
 182     if(NS_FAILED(nsres)) {
 183         ERR("SetAction failed: %08x\n", nsres);
 184         return E_FAIL;
 185     }
 186
 187     return S_OK;
 188 }
 189
 190 static HRESULT WINAPI HTMLFormElement_get_action(IHTMLFormElement *iface, BSTR *p)
 191 {
 192     HTMLFormElement *This = impl_from_IHTMLFormElement(iface);
 193     nsAString action_str;
 194     nsresult nsres;
 195     HRESULT hres;
 196
 197     TRACE("(%p)->(%p)\n", This, p);
 198
 199     nsAString_Init(&action_str, NULL);
 200     nsres = nsIDOMHTMLFormElement_GetAction(This->nsform, &action_str);
 201     if(NS_SUCCEEDED(nsres)) {
 202         const PRUnichar *action;
 203         nsAString_GetData(&action_str, &action);
 204         hres = nsuri_to_url(action, FALSE, p);
 205     }else {
 206         ERR("GetAction failed: %08x\n", nsres);
 207         hres = E_FAIL;
 208     }
 209
 210     nsAString_Finish(&action_str);
 211     return hres;
 212 }
 213
 214 static HRESULT WINAPI HTMLFormElement_put_dir(IHTMLFormElement *iface, BSTR v)
 215 {
 216     HTMLFormElement *This = impl_from_IHTMLFormElement(iface);
 217     FIXME("(%p)->(%s)\n", This, wine_dbgstr_w(v));
 218     return E_NOTIMPL;
 219 }
 220
 221 static HRESULT WINAPI HTMLFormElement_get_dir(IHTMLFormElement *iface, BSTR *p)
 222 {
 223     HTMLFormElement *This = impl_from_IHTMLFormElement(iface);
 224     FIXME("(%p)->(%p)\n", This, p);
 225     return E_NOTIMPL;
 226 }
 227
 228 static HRESULT WINAPI HTMLFormElement_put_encoding(IHTMLFormElement *iface, BSTR v)
 229 {
 230     static const WCHAR urlencodedW[] = {'a','p','p','l','i','c','a','t','i','o','n','/',
 231         'x','-','w','w','w','-','f','o','r','m','-','u','r','l','e','n','c','o','d','e','d',0};
 232     static const WCHAR dataW[] = {'m','u','l','t','i','p','a','r','t','/',
 233         'f','o','r','m','-','d','a','t','a',0};
 234     static const WCHAR plainW[] = {'t','e','x','t','/','p','l','a','i','n',0};
 235
 236     HTMLFormElement *This = impl_from_IHTMLFormElement(iface);
 237     nsAString encoding_str;
 238     nsresult nsres;
 239
 240     TRACE("(%p)->(%s)\n", This, wine_dbgstr_w(v));
 241
 242     if(lstrcmpiW(v, urlencodedW) && lstrcmpiW(v, dataW) && lstrcmpiW(v, plainW)) {
 243         WARN("incorrect enctype\n");
 244         return E_INVALIDARG;
 245     }
 246
 247     nsAString_InitDepend(&encoding_str, v);
 248     nsres = nsIDOMHTMLFormElement_SetEnctype(This->nsform, &encoding_str);
 249     nsAString_Finish(&encoding_str);
 250     if(NS_FAILED(nsres))
 251         return E_FAIL;
 252
 253     return S_OK;
 254 }
 255
 256 static HRESULT WINAPI HTMLFormElement_get_encoding(IHTMLFormElement *iface, BSTR *p)
 257 {
 258     HTMLFormElement *This = impl_from_IHTMLFormElement(iface);
 259     nsAString encoding_str;
 260     nsresult nsres;
 261
 262     TRACE("(%p)->(%p)\n", This, p);
 263
 264     nsAString_Init(&encoding_str, NULL);
 265     nsres = nsIDOMHTMLFormElement_GetEnctype(This->nsform, &encoding_str);
 266     return return_nsstr(nsres, &encoding_str, p);
 267 }
 268
 269 static HRESULT WINAPI HTMLFormElement_put_method(IHTMLFormElement *iface, BSTR v)
 270 {
 271     static const WCHAR postW[] = {'P','O','S','T',0};
 272     static const WCHAR getW[] = {'G','E','T',0};
 273
 274     HTMLFormElement *This = impl_from_IHTMLFormElement(iface);
 275     nsAString method_str;
 276     nsresult nsres;
 277
 278     TRACE("(%p)->(%s)\n", This, wine_dbgstr_w(v));
 279
 280     if(lstrcmpiW(v, postW) && lstrcmpiW(v, getW)) {
 281         WARN("unrecognized method\n");
 282         return E_INVALIDARG;
 283     }
 284
 285     nsAString_InitDepend(&method_str, v);
 286     nsres = nsIDOMHTMLFormElement_SetMethod(This->nsform, &method_str);
 287     nsAString_Finish(&method_str);
 288     if(NS_FAILED(nsres))
 289         return E_FAIL;
 290
 291     return S_OK;
 292 }
 293
 294 static HRESULT WINAPI HTMLFormElement_get_method(IHTMLFormElement *iface, BSTR *p)
 295 {
 296     HTMLFormElement *This = impl_from_IHTMLFormElement(iface);
 297     nsAString method_str;
 298     nsresult nsres;
 299
 300     TRACE("(%p)->(%p)\n", This, p);
 301
 302     nsAString_Init(&method_str, NULL);
 303     nsres = nsIDOMHTMLFormElement_GetMethod(This->nsform, &method_str);
 304     return return_nsstr(nsres, &method_str, p);
 305 }
 306
 307 static HRESULT WINAPI HTMLFormElement_get_elements(IHTMLFormElement *iface, IDispatch **p)
 308 {
 309     HTMLFormElement *This = impl_from_IHTMLFormElement(iface);
 310     nsIDOMHTMLCollection *elements;
 311     nsresult nsres;
 312
 313     TRACE("(%p)->(%p)\n", This, p);
 314
 315     if(dispex_compat_mode(&This->element.node.event_target.dispex) < COMPAT_MODE_IE9) {
 316         IDispatch_AddRef(*p = (IDispatch*)&This->IHTMLFormElement_iface);
 317         return S_OK;
 318     }
 319
 320     nsres = nsIDOMHTMLFormElement_GetElements(This->nsform, &elements);
 321     if(NS_FAILED(nsres)) {
 322         ERR("GetElements failed: %08x\n", nsres);
 323         return E_FAIL;
 324     }
 325
 326     *p = (IDispatch*)create_collection_from_htmlcol(elements, dispex_compat_mode(&This->element.node.event_target.dispex));
 327     nsIDOMHTMLCollection_Release(elements);
 328     return S_OK;
 329 }
 330
 331 static HRESULT WINAPI HTMLFormElement_put_target(IHTMLFormElement *iface, BSTR v)
 332 {
 333     HTMLFormElement *This = impl_from_IHTMLFormElement(iface);
 334     nsAString str;
 335     nsresult nsres;
 336
 337     TRACE("(%p)->(%s)\n", This, wine_dbgstr_w(v));
 338
 339     nsAString_InitDepend(&str, v);
 340
 341     nsres = nsIDOMHTMLFormElement_SetTarget(This->nsform, &str);
 342
 343     nsAString_Finish(&str);
 344     if (NS_FAILED(nsres)) {
 345         ERR("Set Target(%s) failed: %08x\n", wine_dbgstr_w(v), nsres);
 346         return E_FAIL;
 347     }
 348
 349     return S_OK;
 350 }
 351
 352 static HRESULT WINAPI HTMLFormElement_get_target(IHTMLFormElement *iface, BSTR *p)
 353 {
 354     HTMLFormElement *This = impl_from_IHTMLFormElement(iface);
 355     nsAString str;
 356     nsresult nsres;
 357
 358     TRACE("(%p)->(%p)\n", This, p);
 359
 360     nsAString_Init(&str, NULL);
 361     nsres = nsIDOMHTMLFormElement_GetTarget(This->nsform, &str);
 362
 363     return return_nsstr(nsres, &str, p);
 364 }
 365
 366 static HRESULT WINAPI HTMLFormElement_put_name(IHTMLFormElement *iface, BSTR v)
 367 {
 368     HTMLFormElement *This = impl_from_IHTMLFormElement(iface);
 369     nsAString name_str;
 370     nsresult nsres;
 371
 372     TRACE("(%p)->(%s)\n", This, wine_dbgstr_w(v));
 373
 374     nsAString_InitDepend(&name_str, v);
 375     nsres = nsIDOMHTMLFormElement_SetName(This->nsform, &name_str);
 376     nsAString_Finish(&name_str);
 377     if(NS_FAILED(nsres))
 378         return E_FAIL;
 379
 380     return S_OK;
 381 }
 382
 383 static HRESULT WINAPI HTMLFormElement_get_name(IHTMLFormElement *iface, BSTR *p)
 384 {
 385     HTMLFormElement *This = impl_from_IHTMLFormElement(iface);
 386     nsAString name_str;
 387     nsresult nsres;
 388
 389     TRACE("(%p)->(%p)\n", This, p);
 390
 391     nsAString_Init(&name_str, NULL);
 392     nsres = nsIDOMHTMLFormElement_GetName(This->nsform, &name_str);
 393     return return_nsstr(nsres, &name_str, p);
 394 }
 395
 396 static HRESULT WINAPI HTMLFormElement_put_onsubmit(IHTMLFormElement *iface, VARIANT v)
 397 {
 398     HTMLFormElement *This = impl_from_IHTMLFormElement(iface);
 399
 400     TRACE("(%p)->(%s)\n", This, debugstr_variant(&v));
 401
 402     return set_node_event(&This->element.node, EVENTID_SUBMIT, &v);
 403 }
 404
 405 static HRESULT WINAPI HTMLFormElement_get_onsubmit(IHTMLFormElement *iface, VARIANT *p)
 406 {
 407     HTMLFormElement *This = impl_from_IHTMLFormElement(iface);
 408
 409     TRACE("(%p)->(%p)\n", This, p);
 410
 411     return get_node_event(&This->element.node, EVENTID_SUBMIT, p);
 412 }
 413
 414 static HRESULT WINAPI HTMLFormElement_put_onreset(IHTMLFormElement *iface, VARIANT v)
 415 {
 416     HTMLFormElement *This = impl_from_IHTMLFormElement(iface);
 417     FIXME("(%p)->(%s)\n", This, debugstr_variant(&v));
 418     return E_NOTIMPL;
 419 }
 420
 421 static HRESULT WINAPI HTMLFormElement_get_onreset(IHTMLFormElement *iface, VARIANT *p)
 422 {
 423     HTMLFormElement *This = impl_from_IHTMLFormElement(iface);
 424     FIXME("(%p)->(%p)\n", This, p);
 425     return E_NOTIMPL;
 426 }
 427
 428 static HRESULT WINAPI HTMLFormElement_submit(IHTMLFormElement *iface)
 429 {
 430     HTMLFormElement *This = impl_from_IHTMLFormElement(iface);
 431     HTMLOuterWindow *window = NULL, *this_window = NULL;
 432     nsAString action_uri_str, target_str, method_str;
 433     nsIInputStream *post_stream;
 434     BOOL is_post_submit = FALSE;
 435     IUri *uri;
 436     nsresult nsres;
 437     HRESULT hres;
 438     BOOL use_new_window = FALSE;
 439
 440     TRACE("(%p)\n", This);
 441
 442     if(This->element.node.doc) {
 443         HTMLDocumentNode *doc = This->element.node.doc;
 444         if(doc->window && doc->window->base.outer_window)
 445             this_window = doc->window->base.outer_window;
 446     }
 447     if(!this_window) {
 448         TRACE("No outer window\n");
 449         return S_OK;
 450     }
 451
 452     nsAString_Init(&target_str, NULL);
 453     nsres = nsIDOMHTMLFormElement_GetTarget(This->nsform, &target_str);
 454     if(NS_SUCCEEDED(nsres))
 455         window = get_target_window(this_window, &target_str, &use_new_window);
 456
 457     if(!window && !use_new_window) {
 458         nsAString_Finish(&target_str);
 459         return S_OK;
 460     }
 461
 462     nsAString_Init(&method_str, NULL);
 463     nsres = nsIDOMHTMLFormElement_GetMethod(This->nsform, &method_str);
 464     if(NS_SUCCEEDED(nsres)) {
 465         const PRUnichar *method;
 466
 467         static const PRUnichar postW[] = {'p','o','s','t',0};
 468
 469         nsAString_GetData(&method_str, &method);
 470         TRACE("method is %s\n", debugstr_w(method));
 471         is_post_submit = !wcsicmp(method, postW);
 472     }
 473     nsAString_Finish(&method_str);
 474
 475     /*
 476      * FIXME: We currently use our submit implementation for POST submit. We should always use it.
 477      */
 478     if(window && !is_post_submit) {
 479         nsres = nsIDOMHTMLFormElement_Submit(This->nsform);
 480         nsAString_Finish(&target_str);
 481         IHTMLWindow2_Release(&window->base.IHTMLWindow2_iface);
 482         if(NS_FAILED(nsres)) {
 483             ERR("Submit failed: %08x\n", nsres);
 484             return E_FAIL;
 485         }
 486
 487         return S_OK;
 488     }
 489
 490     nsAString_Init(&action_uri_str, NULL);
 491     nsres = nsIDOMHTMLFormElement_GetFormData(This->nsform, NULL, &action_uri_str, &post_stream);
 492     if(NS_SUCCEEDED(nsres)) {
 493         const PRUnichar *action_uri;
 494
 495         nsAString_GetData(&action_uri_str, &action_uri);
 496         hres = create_uri(action_uri, 0, &uri);
 497     }else {
 498         ERR("GetFormData failed: %08x\n", nsres);
 499         hres = E_FAIL;
 500     }
 501     nsAString_Finish(&action_uri_str);
 502     if(SUCCEEDED(hres)) {
 503         const PRUnichar *target;
 504
 505         nsAString_GetData(&target_str, &target);
 506         hres = submit_form(window, target, uri, post_stream);
 507         IUri_Release(uri);
 508     }
 509
 510     nsAString_Finish(&target_str);
 511     if(window)
 512         IHTMLWindow2_Release(&window->base.IHTMLWindow2_iface);
 513     if(post_stream)
 514         nsIInputStream_Release(post_stream);
 515     return hres;
 516 }
 517
 518 static HRESULT WINAPI HTMLFormElement_reset(IHTMLFormElement *iface)
 519 {
 520     HTMLFormElement *This = impl_from_IHTMLFormElement(iface);
 521     nsresult nsres;
 522
 523     TRACE("(%p)->()\n", This);
 524     nsres = nsIDOMHTMLFormElement_Reset(This->nsform);
 525     if (NS_FAILED(nsres)) {
 526         ERR("Reset failed: %08x\n", nsres);
 527         return E_FAIL;
 528     }
 529
 530     return S_OK;
 531 }
 532
 533 static HRESULT WINAPI HTMLFormElement_put_length(IHTMLFormElement *iface, LONG v)
 534 {
 535     HTMLFormElement *This = impl_from_IHTMLFormElement(iface);
 536     FIXME("(%p)->(%d)\n", This, v);
 537     return E_NOTIMPL;
 538 }
 539
 540 static HRESULT WINAPI HTMLFormElement_get_length(IHTMLFormElement *iface, LONG *p)
 541 {
 542     HTMLFormElement *This = impl_from_IHTMLFormElement(iface);
 543     nsresult nsres;
 544
 545     TRACE("(%p)->(%p)\n", This, p);
 546
 547     nsres = nsIDOMHTMLFormElement_GetLength(This->nsform, p);
 548     if(NS_FAILED(nsres)) {
 549         ERR("GetLength failed: %08x\n", nsres);
 550         return E_FAIL;
 551     }
 552
 553     return S_OK;
 554 }
 555
 556 static HRESULT WINAPI HTMLFormElement__newEnum(IHTMLFormElement *iface, IUnknown **p)
 557 {
 558     HTMLFormElement *This = impl_from_IHTMLFormElement(iface);
 559     FIXME("(%p)->(%p)\n", This, p);
 560     return E_NOTIMPL;
 561 }
 562
 563 static HRESULT WINAPI HTMLFormElement_item(IHTMLFormElement *iface, VARIANT name,
 564         VARIANT index, IDispatch **pdisp)
 565 {
 566     HTMLFormElement *This = impl_from_IHTMLFormElement(iface);
 567
 568     TRACE("(%p)->(%s %s %p)\n", This, debugstr_variant(&name), debugstr_variant(&index), pdisp);
 569
 570     if(!pdisp)
 571         return E_INVALIDARG;
 572     *pdisp = NULL;
 573
 574     if(V_VT(&name) == VT_I4) {
 575         if(V_I4(&name) < 0) {
 576             *pdisp = NULL;
 577             return dispex_compat_mode(&This->element.node.event_target.dispex) >= COMPAT_MODE_IE9
 578                 ? S_OK : E_INVALIDARG;
 579         }
 580         return htmlform_item(This, V_I4(&name), pdisp);
 581     }
 582
 583     FIXME("Unsupported args\n");
 584     return E_NOTIMPL;
 585 }
 586
 587 static HRESULT WINAPI HTMLFormElement_tags(IHTMLFormElement *iface, VARIANT tagName,
 588         IDispatch **pdisp)
 589 {
 590     HTMLFormElement *This = impl_from_IHTMLFormElement(iface);
 591     FIXME("(%p)->(v %p)\n", This, pdisp);
 592     return E_NOTIMPL;
 593 }
 594
 595 static const IHTMLFormElementVtbl HTMLFormElementVtbl = {
 596     HTMLFormElement_QueryInterface,
 597     HTMLFormElement_AddRef,
 598     HTMLFormElement_Release,
 599     HTMLFormElement_GetTypeInfoCount,
 600     HTMLFormElement_GetTypeInfo,
 601     HTMLFormElement_GetIDsOfNames,
 602     HTMLFormElement_Invoke,
 603     HTMLFormElement_put_action,
 604     HTMLFormElement_get_action,
 605     HTMLFormElement_put_dir,
 606     HTMLFormElement_get_dir,
 607     HTMLFormElement_put_encoding,
 608     HTMLFormElement_get_encoding,
 609     HTMLFormElement_put_method,
 610     HTMLFormElement_get_method,
 611     HTMLFormElement_get_elements,
 612     HTMLFormElement_put_target,
 613     HTMLFormElement_get_target,
 614     HTMLFormElement_put_name,
 615     HTMLFormElement_get_name,
 616     HTMLFormElement_put_onsubmit,
 617     HTMLFormElement_get_onsubmit,
 618     HTMLFormElement_put_onreset,
 619     HTMLFormElement_get_onreset,
 620     HTMLFormElement_submit,
 621     HTMLFormElement_reset,
 622     HTMLFormElement_put_length,
 623     HTMLFormElement_get_length,
 624     HTMLFormElement__newEnum,
 625     HTMLFormElement_item,
 626     HTMLFormElement_tags
 627 };
 628
 629 static inline HTMLFormElement *impl_from_HTMLDOMNode(HTMLDOMNode *iface)
 630 {
 631     return CONTAINING_RECORD(iface, HTMLFormElement, element.node);
 632 }
 633
 634 static HRESULT HTMLFormElement_QI(HTMLDOMNode *iface, REFIID riid, void **ppv)
 635 {
 636     HTMLFormElement *This = impl_from_HTMLDOMNode(iface);
 637
 638     *ppv = NULL;
 639
 640     if(IsEqualGUID(&IID_IUnknown, riid)) {
 641         TRACE("(%p)->(IID_IUnknown %p)\n", This, ppv);
 642         *ppv = &This->IHTMLFormElement_iface;
 643     }else if(IsEqualGUID(&IID_IDispatch, riid)) {
 644         TRACE("(%p)->(IID_IDispatch %p)\n", This, ppv);
 645         *ppv = &This->IHTMLFormElement_iface;
 646     }else if(IsEqualGUID(&IID_IHTMLFormElement, riid)) {
 647         TRACE("(%p)->(IID_IHTMLFormElement %p)\n", This, ppv);
 648         *ppv = &This->IHTMLFormElement_iface;
 649     }else if(IsEqualGUID(&DIID_DispHTMLFormElement, riid)) {
 650         TRACE("(%p)->(DIID_DispHTMLFormElement %p)\n", This, ppv);
 651         *ppv = &This->IHTMLFormElement_iface;
 652     }
 653
 654     if(*ppv) {
 655         IUnknown_AddRef((IUnknown*)*ppv);
 656         return S_OK;
 657     }
 658
 659     return HTMLElement_QI(&This->element.node, riid, ppv);
 660 }
 661
 662 static HRESULT HTMLFormElement_get_dispid(HTMLDOMNode *iface,
 663         BSTR name, DWORD grfdex, DISPID *pid)
 664 {
 665     HTMLFormElement *This = impl_from_HTMLDOMNode(iface);
 666     nsIDOMHTMLCollection *elements;
 667     nsAString nsstr, name_str;
 668     UINT32 len, i;
 669     nsresult nsres;
 670     HRESULT hres = DISP_E_UNKNOWNNAME;
 671
 672     static const PRUnichar nameW[] = {'n','a','m','e',0};
 673
 674     TRACE("(%p)->(%s %x %p)\n", This, wine_dbgstr_w(name), grfdex, pid);
 675
 676     nsres = nsIDOMHTMLFormElement_GetElements(This->nsform, &elements);
 677     if(NS_FAILED(nsres)) {
 678         FIXME("GetElements failed: 0x%08x\n", nsres);
 679         return E_FAIL;
 680     }
 681
 682     nsres = nsIDOMHTMLCollection_GetLength(elements, &len);
 683     if(NS_FAILED(nsres)) {
 684         FIXME("GetLength failed: 0x%08x\n", nsres);
 685         nsIDOMHTMLCollection_Release(elements);
 686         return E_FAIL;
 687     }
 688
 689     if(len > MSHTML_CUSTOM_DISPID_CNT)
 690         len = MSHTML_CUSTOM_DISPID_CNT;
 691
 692     /* FIXME: Implement in more generic way */
 693     if('0' <= *name && *name <= '9') {
 694         WCHAR *end_ptr;
 695
 696         i = wcstoul(name, &end_ptr, 10);
 697         if(!*end_ptr && i < len) {
 698             *pid = MSHTML_DISPID_CUSTOM_MIN + i;
 699             return S_OK;
 700         }
 701     }
 702
 703     nsAString_Init(&nsstr, NULL);
 704     for(i = 0; i < len; ++i) {
 705         nsIDOMNode *nsitem;
 706         nsIDOMElement *elem;
 707         const PRUnichar *str;
 708
 709         nsres = nsIDOMHTMLCollection_Item(elements, i, &nsitem);
 710         if(NS_FAILED(nsres)) {
 711             FIXME("Item failed: 0x%08x\n", nsres);
 712             hres = E_FAIL;
 713             break;
 714         }
 715
 716         nsres = nsIDOMNode_QueryInterface(nsitem, &IID_nsIDOMElement, (void**)&elem);
 717         nsIDOMNode_Release(nsitem);
 718         if(NS_FAILED(nsres)) {
 719             FIXME("Failed to get nsIDOMHTMLNode interface: 0x%08x\n", nsres);
 720             hres = E_FAIL;
 721             break;
 722         }
 723
 724         /* compare by id attr */
 725         nsres = nsIDOMElement_GetId(elem, &nsstr);
 726         if(NS_FAILED(nsres)) {
 727             FIXME("GetId failed: 0x%08x\n", nsres);
 728             nsIDOMElement_Release(elem);
 729             hres = E_FAIL;
 730             break;
 731         }
 732         nsAString_GetData(&nsstr, &str);
 733         if(!wcsicmp(str, name)) {
 734             nsIDOMElement_Release(elem);
 735             /* FIXME: using index for dispid */
 736             *pid = MSHTML_DISPID_CUSTOM_MIN + i;
 737             hres = S_OK;
 738             break;
 739         }
 740
 741         /* compare by name attr */
 742         nsres = get_elem_attr_value(elem, nameW, &name_str, &str);
 743         nsIDOMElement_Release(elem);
 744         if(NS_SUCCEEDED(nsres)) {
 745             if(!wcsicmp(str, name)) {
 746                 nsAString_Finish(&name_str);
 747                 /* FIXME: using index for dispid */
 748                 *pid = MSHTML_DISPID_CUSTOM_MIN + i;
 749                 hres = S_OK;
 750                 break;
 751             }
 752             nsAString_Finish(&name_str);
 753         }
 754     }
 755
 756     nsAString_Finish(&nsstr);
 757     nsIDOMHTMLCollection_Release(elements);
 758     return hres;
 759 }
 760
 761 static HRESULT HTMLFormElement_invoke(HTMLDOMNode *iface,
 762         DISPID id, LCID lcid, WORD flags, DISPPARAMS *params, VARIANT *res,
 763         EXCEPINFO *ei, IServiceProvider *caller)
 764 {
 765     HTMLFormElement *This = impl_from_HTMLDOMNode(iface);
 766     IDispatch *ret;
 767     HRESULT hres;
 768
 769     TRACE("(%p)->(%x %x %x %p %p %p %p)\n", This, id, lcid, flags, params, res, ei, caller);
 770
 771     hres = htmlform_item(This, id - MSHTML_DISPID_CUSTOM_MIN, &ret);
 772     if(FAILED(hres))
 773         return hres;
 774
 775     if(ret) {
 776         V_VT(res) = VT_DISPATCH;
 777         V_DISPATCH(res) = ret;
 778     }else {
 779         V_VT(res) = VT_NULL;
 780     }
 781     return S_OK;
 782 }
 783
 784 static HRESULT HTMLFormElement_handle_event(HTMLDOMNode *iface, DWORD eid, nsIDOMEvent *event, BOOL *prevent_default)
 785 {
 786     HTMLFormElement *This = impl_from_HTMLDOMNode(iface);
 787
 788     if(eid == EVENTID_SUBMIT) {
 789         *prevent_default = TRUE;
 790         return IHTMLFormElement_submit(&This->IHTMLFormElement_iface);
 791     }
 792
 793     return HTMLElement_handle_event(&This->element.node, eid, event, prevent_default);
 794 }
 795
 796 static void HTMLFormElement_traverse(HTMLDOMNode *iface, nsCycleCollectionTraversalCallback *cb)
 797 {
 798     HTMLFormElement *This = impl_from_HTMLDOMNode(iface);
 799
 800     if(This->nsform)
 801         note_cc_edge((nsISupports*)This->nsform, "This->nsform", cb);
 802 }
 803
 804 static void HTMLFormElement_unlink(HTMLDOMNode *iface)
 805 {
 806     HTMLFormElement *This = impl_from_HTMLDOMNode(iface);
 807
 808     if(This->nsform) {
 809         nsIDOMHTMLFormElement *nsform = This->nsform;
 810
 811         This->nsform = NULL;
 812         nsIDOMHTMLFormElement_Release(nsform);
 813     }
 814 }
 815
 816 static const NodeImplVtbl HTMLFormElementImplVtbl = {
 817     &CLSID_HTMLFormElement,
 818     HTMLFormElement_QI,
 819     HTMLElement_destructor,
 820     HTMLElement_cpc,
 821     HTMLElement_clone,
 822     HTMLFormElement_handle_event,
 823     HTMLElement_get_attr_col,
 824     NULL,
 825     NULL,
 826     NULL,
 827     NULL,
 828     NULL,
 829     HTMLFormElement_get_dispid,
 830     HTMLFormElement_invoke,
 831     NULL,
 832     HTMLFormElement_traverse,
 833     HTMLFormElement_unlink
 834 };
 835
 836 static const tid_t HTMLFormElement_iface_tids[] = {
 837     HTMLELEMENT_TIDS,
 838     IHTMLFormElement_tid,
 839     0
 840 };
 841
 842 static dispex_static_data_t HTMLFormElement_dispex = {
 843     NULL,
 844     DispHTMLFormElement_tid,
 845     HTMLFormElement_iface_tids,
 846     HTMLElement_init_dispex_info
 847 };
 848
 849 HRESULT HTMLFormElement_Create(HTMLDocumentNode *doc, nsIDOMElement *nselem, HTMLElement **elem)
 850 {
 851     HTMLFormElement *ret;
 852     nsresult nsres;
 853
 854     ret = heap_alloc_zero(sizeof(HTMLFormElement));
 855     if(!ret)
 856         return E_OUTOFMEMORY;
 857
 858     ret->IHTMLFormElement_iface.lpVtbl = &HTMLFormElementVtbl;
 859     ret->element.node.vtbl = &HTMLFormElementImplVtbl;
 860
 861     HTMLElement_Init(&ret->element, doc, nselem, &HTMLFormElement_dispex);
 862
 863     nsres = nsIDOMElement_QueryInterface(nselem, &IID_nsIDOMHTMLFormElement, (void**)&ret->nsform);
 864     assert(nsres == NS_OK);
 865
 866     *elem = &ret->element;
 867     return S_OK;
 868 }