dlls/mshtml/navigate.c

   1 /*
   2  * Copyright 2006-2007 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 "config.h"
  20
  21 #include <stdarg.h>
  22
  23 #define COBJMACROS
  24 #define NONAMELESSUNION
  25 #define NONAMELESSSTRUCT
  26
  27 #include "windef.h"
  28 #include "winbase.h"
  29 #include "winuser.h"
  30 #include "winreg.h"
  31 #include "ole2.h"
  32 #include "hlguids.h"
  33 #include "shlguid.h"
  34 #include "wininet.h"
  35 #include "shlwapi.h"
  36
  37 #include "wine/debug.h"
  38 #include "wine/unicode.h"
  39
  40 #include "mshtml_private.h"
  41
  42 WINE_DEFAULT_DEBUG_CHANNEL(mshtml);
  43
  44 #define CONTENT_LENGTH "Content-Length"
  45 #define UTF16_STR "utf-16"
  46
  47 typedef struct {
  48     const nsIInputStreamVtbl *lpInputStreamVtbl;
  49
  50     LONG ref;
  51
  52     char buf[1024];
  53     DWORD buf_size;
  54 } nsProtocolStream;
  55
  56 #define NSINSTREAM(x) ((nsIInputStream*) &(x)->lpInputStreamVtbl)
  57
  58 typedef struct {
  59     void (*destroy)(BSCallback*);
  60     HRESULT (*init_bindinfo)(BSCallback*);
  61     HRESULT (*start_binding)(BSCallback*);
  62     HRESULT (*stop_binding)(BSCallback*,HRESULT);
  63     HRESULT (*read_data)(BSCallback*,IStream*);
  64     HRESULT (*on_progress)(BSCallback*,ULONG,LPCWSTR);
  65     HRESULT (*on_response)(BSCallback*,DWORD);
  66 } BSCallbackVtbl;
  67
  68 struct BSCallback {
  69     const IBindStatusCallbackVtbl *lpBindStatusCallbackVtbl;
  70     const IServiceProviderVtbl    *lpServiceProviderVtbl;
  71     const IHttpNegotiate2Vtbl     *lpHttpNegotiate2Vtbl;
  72     const IInternetBindInfoVtbl   *lpInternetBindInfoVtbl;
  73
  74     const BSCallbackVtbl          *vtbl;
  75
  76     LONG ref;
  77
  78     LPWSTR headers;
  79     HGLOBAL post_data;
  80     ULONG post_data_len;
  81     ULONG readed;
  82     DWORD bindf;
  83     BOOL bindinfo_ready;
  84
  85     IMoniker *mon;
  86     IBinding *binding;
  87
  88     HTMLDocumentNode *doc;
  89
  90     struct list entry;
  91 };
  92
  93 #define NSINSTREAM_THIS(iface) DEFINE_THIS(nsProtocolStream, InputStream, iface)
  94
  95 static nsresult NSAPI nsInputStream_QueryInterface(nsIInputStream *iface, nsIIDRef riid,
  96                                                    nsQIResult result)
  97 {
  98     nsProtocolStream *This = NSINSTREAM_THIS(iface);
  99
 100     *result = NULL;
 101
 102     if(IsEqualGUID(&IID_nsISupports, riid)) {
 103         TRACE("(%p)->(IID_nsISupports %p)\n", This, result);
 104         *result  = NSINSTREAM(This);
 105     }else if(IsEqualGUID(&IID_nsIInputStream, riid)) {
 106         TRACE("(%p)->(IID_nsIInputStream %p)\n", This, result);
 107         *result  = NSINSTREAM(This);
 108     }
 109
 110     if(*result) {
 111         nsIInputStream_AddRef(NSINSTREAM(This));
 112         return NS_OK;
 113     }
 114
 115     WARN("unsupported interface %s\n", debugstr_guid(riid));
 116     return NS_NOINTERFACE;
 117 }
 118
 119 static nsrefcnt NSAPI nsInputStream_AddRef(nsIInputStream *iface)
 120 {
 121     nsProtocolStream *This = NSINSTREAM_THIS(iface);
 122     LONG ref = InterlockedIncrement(&This->ref);
 123
 124     TRACE("(%p) ref=%d\n", This, ref);
 125
 126     return ref;
 127 }
 128
 129
 130 static nsrefcnt NSAPI nsInputStream_Release(nsIInputStream *iface)
 131 {
 132     nsProtocolStream *This = NSINSTREAM_THIS(iface);
 133     LONG ref = InterlockedDecrement(&This->ref);
 134
 135     TRACE("(%p) ref=%d\n", This, ref);
 136
 137     if(!ref)
 138         heap_free(This);
 139
 140     return ref;
 141 }
 142
 143 static nsresult NSAPI nsInputStream_Close(nsIInputStream *iface)
 144 {
 145     nsProtocolStream *This = NSINSTREAM_THIS(iface);
 146     FIXME("(%p)\n", This);
 147     return NS_ERROR_NOT_IMPLEMENTED;
 148 }
 149
 150 static nsresult NSAPI nsInputStream_Available(nsIInputStream *iface, PRUint32 *_retval)
 151 {
 152     nsProtocolStream *This = NSINSTREAM_THIS(iface);
 153     FIXME("(%p)->(%p)\n", This, _retval);
 154     return NS_ERROR_NOT_IMPLEMENTED;
 155 }
 156
 157 static nsresult NSAPI nsInputStream_Read(nsIInputStream *iface, char *aBuf, PRUint32 aCount,
 158                                          PRUint32 *_retval)
 159 {
 160     nsProtocolStream *This = NSINSTREAM_THIS(iface);
 161     DWORD read = aCount;
 162
 163     TRACE("(%p)->(%p %d %p)\n", This, aBuf, aCount, _retval);
 164
 165     if(read > This->buf_size)
 166         read = This->buf_size;
 167
 168     if(read) {
 169         memcpy(aBuf, This->buf, read);
 170         if(read < This->buf_size)
 171             memmove(This->buf, This->buf+read, This->buf_size-read);
 172         This->buf_size -= read;
 173     }
 174
 175     *_retval = read;
 176     return NS_OK;
 177 }
 178
 179 static nsresult NSAPI nsInputStream_ReadSegments(nsIInputStream *iface,
 180         nsresult (WINAPI *aWriter)(nsIInputStream*,void*,const char*,PRUint32,PRUint32,PRUint32*),
 181         void *aClousure, PRUint32 aCount, PRUint32 *_retval)
 182 {
 183     nsProtocolStream *This = NSINSTREAM_THIS(iface);
 184     PRUint32 written = 0;
 185     nsresult nsres;
 186
 187     TRACE("(%p)->(%p %p %d %p)\n", This, aWriter, aClousure, aCount, _retval);
 188
 189     if(!This->buf_size)
 190         return S_OK;
 191
 192     if(aCount > This->buf_size)
 193         aCount = This->buf_size;
 194
 195     nsres = aWriter(NSINSTREAM(This), aClousure, This->buf, 0, aCount, &written);
 196     if(NS_FAILED(nsres))
 197         TRACE("aWritter failed: %08x\n", nsres);
 198     else if(written != This->buf_size)
 199         FIXME("written %d != buf_size %d\n", written, This->buf_size);
 200
 201     This->buf_size -= written;
 202
 203     *_retval = written;
 204     return nsres;
 205 }
 206
 207 static nsresult NSAPI nsInputStream_IsNonBlocking(nsIInputStream *iface, PRBool *_retval)
 208 {
 209     nsProtocolStream *This = NSINSTREAM_THIS(iface);
 210     FIXME("(%p)->(%p)\n", This, _retval);
 211     return NS_ERROR_NOT_IMPLEMENTED;
 212 }
 213
 214 #undef NSINSTREAM_THIS
 215
 216 static const nsIInputStreamVtbl nsInputStreamVtbl = {
 217     nsInputStream_QueryInterface,
 218     nsInputStream_AddRef,
 219     nsInputStream_Release,
 220     nsInputStream_Close,
 221     nsInputStream_Available,
 222     nsInputStream_Read,
 223     nsInputStream_ReadSegments,
 224     nsInputStream_IsNonBlocking
 225 };
 226
 227 static nsProtocolStream *create_nsprotocol_stream(void)
 228 {
 229     nsProtocolStream *ret = heap_alloc(sizeof(nsProtocolStream));
 230
 231     ret->lpInputStreamVtbl = &nsInputStreamVtbl;
 232     ret->ref = 1;
 233     ret->buf_size = 0;
 234
 235     return ret;
 236 }
 237
 238 #define STATUSCLB_THIS(iface) DEFINE_THIS(BSCallback, BindStatusCallback, iface)
 239
 240 static HRESULT WINAPI BindStatusCallback_QueryInterface(IBindStatusCallback *iface,
 241         REFIID riid, void **ppv)
 242 {
 243     BSCallback *This = STATUSCLB_THIS(iface);
 244
 245     *ppv = NULL;
 246     if(IsEqualGUID(&IID_IUnknown, riid)) {
 247         TRACE("(%p)->(IID_IUnknown, %p)\n", This, ppv);
 248         *ppv = STATUSCLB(This);
 249     }else if(IsEqualGUID(&IID_IBindStatusCallback, riid)) {
 250         TRACE("(%p)->(IID_IBindStatusCallback, %p)\n", This, ppv);
 251         *ppv = STATUSCLB(This);
 252     }else if(IsEqualGUID(&IID_IServiceProvider, riid)) {
 253         TRACE("(%p)->(IID_IServiceProvider %p)\n", This, ppv);
 254         *ppv = SERVPROV(This);
 255     }else if(IsEqualGUID(&IID_IHttpNegotiate, riid)) {
 256         TRACE("(%p)->(IID_IHttpNegotiate %p)\n", This, ppv);
 257         *ppv = HTTPNEG(This);
 258     }else if(IsEqualGUID(&IID_IHttpNegotiate2, riid)) {
 259         TRACE("(%p)->(IID_IHttpNegotiate2 %p)\n", This, ppv);
 260         *ppv = HTTPNEG(This);
 261     }else if(IsEqualGUID(&IID_IInternetBindInfo, riid)) {
 262         TRACE("(%p)->(IID_IInternetBindInfo %p)\n", This, ppv);
 263         *ppv = BINDINFO(This);
 264     }
 265
 266     if(*ppv) {
 267         IBindStatusCallback_AddRef(STATUSCLB(This));
 268         return S_OK;
 269     }
 270
 271     TRACE("Unsupported riid = %s\n", debugstr_guid(riid));
 272     return E_NOINTERFACE;
 273 }
 274
 275 static ULONG WINAPI BindStatusCallback_AddRef(IBindStatusCallback *iface)
 276 {
 277     BSCallback *This = STATUSCLB_THIS(iface);
 278     LONG ref = InterlockedIncrement(&This->ref);
 279
 280     TRACE("(%p) ref = %d\n", This, ref);
 281
 282     return ref;
 283 }
 284
 285 static ULONG WINAPI BindStatusCallback_Release(IBindStatusCallback *iface)
 286 {
 287     BSCallback *This = STATUSCLB_THIS(iface);
 288     LONG ref = InterlockedDecrement(&This->ref);
 289
 290     TRACE("(%p) ref = %d\n", This, ref);
 291
 292     if(!ref) {
 293         if(This->post_data)
 294             GlobalFree(This->post_data);
 295         if(This->mon)
 296             IMoniker_Release(This->mon);
 297         if(This->binding)
 298             IBinding_Release(This->binding);
 299         list_remove(&This->entry);
 300         heap_free(This->headers);
 301
 302         This->vtbl->destroy(This);
 303     }
 304
 305     return ref;
 306 }
 307
 308 static HRESULT WINAPI BindStatusCallback_OnStartBinding(IBindStatusCallback *iface,
 309         DWORD dwReserved, IBinding *pbind)
 310 {
 311     BSCallback *This = STATUSCLB_THIS(iface);
 312
 313     TRACE("(%p)->(%d %p)\n", This, dwReserved, pbind);
 314
 315     IBinding_AddRef(pbind);
 316     This->binding = pbind;
 317
 318     if(This->doc)
 319         list_add_head(&This->doc->bindings, &This->entry);
 320
 321     return This->vtbl->start_binding(This);
 322 }
 323
 324 static HRESULT WINAPI BindStatusCallback_GetPriority(IBindStatusCallback *iface, LONG *pnPriority)
 325 {
 326     BSCallback *This = STATUSCLB_THIS(iface);
 327     FIXME("(%p)->(%p)\n", This, pnPriority);
 328     return E_NOTIMPL;
 329 }
 330
 331 static HRESULT WINAPI BindStatusCallback_OnLowResource(IBindStatusCallback *iface, DWORD reserved)
 332 {
 333     BSCallback *This = STATUSCLB_THIS(iface);
 334     FIXME("(%p)->(%d)\n", This, reserved);
 335     return E_NOTIMPL;
 336 }
 337
 338 static HRESULT WINAPI BindStatusCallback_OnProgress(IBindStatusCallback *iface, ULONG ulProgress,
 339         ULONG ulProgressMax, ULONG ulStatusCode, LPCWSTR szStatusText)
 340 {
 341     BSCallback *This = STATUSCLB_THIS(iface);
 342
 343     TRACE("%p)->(%u %u %u %s)\n", This, ulProgress, ulProgressMax, ulStatusCode,
 344             debugstr_w(szStatusText));
 345
 346     return This->vtbl->on_progress(This, ulStatusCode, szStatusText);
 347 }
 348
 349 static HRESULT WINAPI BindStatusCallback_OnStopBinding(IBindStatusCallback *iface,
 350         HRESULT hresult, LPCWSTR szError)
 351 {
 352     BSCallback *This = STATUSCLB_THIS(iface);
 353     HRESULT hres;
 354
 355     TRACE("(%p)->(%08x %s)\n", This, hresult, debugstr_w(szError));
 356
 357     /* NOTE: IE7 calls GetBindResult here */
 358
 359     hres = This->vtbl->stop_binding(This, hresult);
 360
 361     if(This->binding) {
 362         IBinding_Release(This->binding);
 363         This->binding = NULL;
 364     }
 365
 366     list_remove(&This->entry);
 367     This->doc = NULL;
 368
 369     return hres;
 370 }
 371
 372 static HRESULT WINAPI BindStatusCallback_GetBindInfo(IBindStatusCallback *iface,
 373         DWORD *grfBINDF, BINDINFO *pbindinfo)
 374 {
 375     BSCallback *This = STATUSCLB_THIS(iface);
 376     DWORD size;
 377
 378     TRACE("(%p)->(%p %p)\n", This, grfBINDF, pbindinfo);
 379
 380     if(!This->bindinfo_ready) {
 381         HRESULT hres;
 382
 383         hres = This->vtbl->init_bindinfo(This);
 384         if(FAILED(hres))
 385             return hres;
 386
 387         This->bindinfo_ready = TRUE;
 388     }
 389
 390     *grfBINDF = This->bindf;
 391
 392     size = pbindinfo->cbSize;
 393     memset(pbindinfo, 0, size);
 394     pbindinfo->cbSize = size;
 395
 396     pbindinfo->cbstgmedData = This->post_data_len;
 397     pbindinfo->dwCodePage = CP_UTF8;
 398     pbindinfo->dwOptions = 0x80000;
 399
 400     if(This->post_data) {
 401         pbindinfo->dwBindVerb = BINDVERB_POST;
 402
 403         pbindinfo->stgmedData.tymed = TYMED_HGLOBAL;
 404         pbindinfo->stgmedData.u.hGlobal = This->post_data;
 405         pbindinfo->stgmedData.pUnkForRelease = (IUnknown*)STATUSCLB(This);
 406         IBindStatusCallback_AddRef(STATUSCLB(This));
 407     }
 408
 409     return S_OK;
 410 }
 411
 412 static HRESULT WINAPI BindStatusCallback_OnDataAvailable(IBindStatusCallback *iface,
 413         DWORD grfBSCF, DWORD dwSize, FORMATETC *pformatetc, STGMEDIUM *pstgmed)
 414 {
 415     BSCallback *This = STATUSCLB_THIS(iface);
 416
 417     TRACE("(%p)->(%08x %d %p %p)\n", This, grfBSCF, dwSize, pformatetc, pstgmed);
 418
 419     return This->vtbl->read_data(This, pstgmed->u.pstm);
 420 }
 421
 422 static HRESULT WINAPI BindStatusCallback_OnObjectAvailable(IBindStatusCallback *iface,
 423         REFIID riid, IUnknown *punk)
 424 {
 425     BSCallback *This = STATUSCLB_THIS(iface);
 426     FIXME("(%p)->(%s %p)\n", This, debugstr_guid(riid), punk);
 427     return E_NOTIMPL;
 428 }
 429
 430 #undef STATUSCLB_THIS
 431
 432 static const IBindStatusCallbackVtbl BindStatusCallbackVtbl = {
 433     BindStatusCallback_QueryInterface,
 434     BindStatusCallback_AddRef,
 435     BindStatusCallback_Release,
 436     BindStatusCallback_OnStartBinding,
 437     BindStatusCallback_GetPriority,
 438     BindStatusCallback_OnLowResource,
 439     BindStatusCallback_OnProgress,
 440     BindStatusCallback_OnStopBinding,
 441     BindStatusCallback_GetBindInfo,
 442     BindStatusCallback_OnDataAvailable,
 443     BindStatusCallback_OnObjectAvailable
 444 };
 445
 446 #define HTTPNEG_THIS(iface) DEFINE_THIS(BSCallback, HttpNegotiate2, iface)
 447
 448 static HRESULT WINAPI HttpNegotiate_QueryInterface(IHttpNegotiate2 *iface,
 449                                                    REFIID riid, void **ppv)
 450 {
 451     BSCallback *This = HTTPNEG_THIS(iface);
 452     return IBindStatusCallback_QueryInterface(STATUSCLB(This), riid, ppv);
 453 }
 454
 455 static ULONG WINAPI HttpNegotiate_AddRef(IHttpNegotiate2 *iface)
 456 {
 457     BSCallback *This = HTTPNEG_THIS(iface);
 458     return IBindStatusCallback_AddRef(STATUSCLB(This));
 459 }
 460
 461 static ULONG WINAPI HttpNegotiate_Release(IHttpNegotiate2 *iface)
 462 {
 463     BSCallback *This = HTTPNEG_THIS(iface);
 464     return IBindStatusCallback_Release(STATUSCLB(This));
 465 }
 466
 467 static HRESULT WINAPI HttpNegotiate_BeginningTransaction(IHttpNegotiate2 *iface,
 468         LPCWSTR szURL, LPCWSTR szHeaders, DWORD dwReserved, LPWSTR *pszAdditionalHeaders)
 469 {
 470     BSCallback *This = HTTPNEG_THIS(iface);
 471     DWORD size;
 472
 473     TRACE("(%p)->(%s %s %d %p)\n", This, debugstr_w(szURL), debugstr_w(szHeaders),
 474           dwReserved, pszAdditionalHeaders);
 475
 476     if(!This->headers) {
 477         *pszAdditionalHeaders = NULL;
 478         return S_OK;
 479     }
 480
 481     size = (strlenW(This->headers)+1)*sizeof(WCHAR);
 482     *pszAdditionalHeaders = CoTaskMemAlloc(size);
 483     memcpy(*pszAdditionalHeaders, This->headers, size);
 484
 485     return S_OK;
 486 }
 487
 488 static HRESULT WINAPI HttpNegotiate_OnResponse(IHttpNegotiate2 *iface, DWORD dwResponseCode,
 489         LPCWSTR szResponseHeaders, LPCWSTR szRequestHeaders, LPWSTR *pszAdditionalRequestHeaders)
 490 {
 491     BSCallback *This = HTTPNEG_THIS(iface);
 492
 493     TRACE("(%p)->(%d %s %s %p)\n", This, dwResponseCode, debugstr_w(szResponseHeaders),
 494           debugstr_w(szRequestHeaders), pszAdditionalRequestHeaders);
 495
 496     return This->vtbl->on_response(This, dwResponseCode);
 497 }
 498
 499 static HRESULT WINAPI HttpNegotiate_GetRootSecurityId(IHttpNegotiate2 *iface,
 500         BYTE *pbSecurityId, DWORD *pcbSecurityId, DWORD_PTR dwReserved)
 501 {
 502     BSCallback *This = HTTPNEG_THIS(iface);
 503     FIXME("(%p)->(%p %p %ld)\n", This, pbSecurityId, pcbSecurityId, dwReserved);
 504     return E_NOTIMPL;
 505 }
 506
 507 #undef HTTPNEG
 508
 509 static const IHttpNegotiate2Vtbl HttpNegotiate2Vtbl = {
 510     HttpNegotiate_QueryInterface,
 511     HttpNegotiate_AddRef,
 512     HttpNegotiate_Release,
 513     HttpNegotiate_BeginningTransaction,
 514     HttpNegotiate_OnResponse,
 515     HttpNegotiate_GetRootSecurityId
 516 };
 517
 518 #define BINDINFO_THIS(iface) DEFINE_THIS(BSCallback, InternetBindInfo, iface)
 519
 520 static HRESULT WINAPI InternetBindInfo_QueryInterface(IInternetBindInfo *iface,
 521                                                       REFIID riid, void **ppv)
 522 {
 523     BSCallback *This = BINDINFO_THIS(iface);
 524     return IBindStatusCallback_QueryInterface(STATUSCLB(This), riid, ppv);
 525 }
 526
 527 static ULONG WINAPI InternetBindInfo_AddRef(IInternetBindInfo *iface)
 528 {
 529     BSCallback *This = BINDINFO_THIS(iface);
 530     return IBindStatusCallback_AddRef(STATUSCLB(This));
 531 }
 532
 533 static ULONG WINAPI InternetBindInfo_Release(IInternetBindInfo *iface)
 534 {
 535     BSCallback *This = BINDINFO_THIS(iface);
 536     return IBindStatusCallback_Release(STATUSCLB(This));
 537 }
 538
 539 static HRESULT WINAPI InternetBindInfo_GetBindInfo(IInternetBindInfo *iface,
 540                                                    DWORD *grfBINDF, BINDINFO *pbindinfo)
 541 {
 542     BSCallback *This = BINDINFO_THIS(iface);
 543     FIXME("(%p)->(%p %p)\n", This, grfBINDF, pbindinfo);
 544     return E_NOTIMPL;
 545 }
 546
 547 static HRESULT WINAPI InternetBindInfo_GetBindString(IInternetBindInfo *iface,
 548         ULONG ulStringType, LPOLESTR *ppwzStr, ULONG cEl, ULONG *pcElFetched)
 549 {
 550     BSCallback *This = BINDINFO_THIS(iface);
 551     FIXME("(%p)->(%u %p %u %p)\n", This, ulStringType, ppwzStr, cEl, pcElFetched);
 552     return E_NOTIMPL;
 553 }
 554
 555 #undef BINDINFO_THIS
 556
 557 static const IInternetBindInfoVtbl InternetBindInfoVtbl = {
 558     InternetBindInfo_QueryInterface,
 559     InternetBindInfo_AddRef,
 560     InternetBindInfo_Release,
 561     InternetBindInfo_GetBindInfo,
 562     InternetBindInfo_GetBindString
 563 };
 564
 565 #define SERVPROV_THIS(iface) DEFINE_THIS(BSCallback, ServiceProvider, iface)
 566
 567 static HRESULT WINAPI BSCServiceProvider_QueryInterface(IServiceProvider *iface,
 568                                                         REFIID riid, void **ppv)
 569 {
 570     BSCallback *This = SERVPROV_THIS(iface);
 571     return IBindStatusCallback_QueryInterface(STATUSCLB(This), riid, ppv);
 572 }
 573
 574 static ULONG WINAPI BSCServiceProvider_AddRef(IServiceProvider *iface)
 575 {
 576     BSCallback *This = SERVPROV_THIS(iface);
 577     return IBindStatusCallback_AddRef(STATUSCLB(This));
 578 }
 579
 580 static ULONG WINAPI BSCServiceProvider_Release(IServiceProvider *iface)
 581 {
 582     BSCallback *This = SERVPROV_THIS(iface);
 583     return IBindStatusCallback_Release(STATUSCLB(This));
 584 }
 585
 586 static HRESULT WINAPI BSCServiceProvider_QueryService(IServiceProvider *iface,
 587         REFGUID guidService, REFIID riid, void **ppv)
 588 {
 589     BSCallback *This = SERVPROV_THIS(iface);
 590     TRACE("(%p)->(%s %s %p)\n", This, debugstr_guid(guidService), debugstr_guid(riid), ppv);
 591     return E_NOINTERFACE;
 592 }
 593
 594 #undef SERVPROV_THIS
 595
 596 static const IServiceProviderVtbl ServiceProviderVtbl = {
 597     BSCServiceProvider_QueryInterface,
 598     BSCServiceProvider_AddRef,
 599     BSCServiceProvider_Release,
 600     BSCServiceProvider_QueryService
 601 };
 602
 603 static void init_bscallback(BSCallback *This, const BSCallbackVtbl *vtbl, IMoniker *mon, DWORD bindf)
 604 {
 605     This->lpBindStatusCallbackVtbl = &BindStatusCallbackVtbl;
 606     This->lpServiceProviderVtbl    = &ServiceProviderVtbl;
 607     This->lpHttpNegotiate2Vtbl     = &HttpNegotiate2Vtbl;
 608     This->lpInternetBindInfoVtbl   = &InternetBindInfoVtbl;
 609     This->vtbl = vtbl;
 610     This->ref = 1;
 611     This->bindf = bindf;
 612
 613     list_init(&This->entry);
 614
 615     if(mon)
 616         IMoniker_AddRef(mon);
 617     This->mon = mon;
 618 }
 619
 620 /* Calls undocumented 84 cmd of CGID_ShellDocView */
 621 static void call_docview_84(HTMLDocumentObj *doc)
 622 {
 623     IOleCommandTarget *olecmd;
 624     VARIANT var;
 625     HRESULT hres;
 626
 627     if(!doc->client)
 628         return;
 629
 630     hres = IOleClientSite_QueryInterface(doc->client, &IID_IOleCommandTarget, (void**)&olecmd);
 631     if(FAILED(hres))
 632         return;
 633
 634     VariantInit(&var);
 635     hres = IOleCommandTarget_Exec(olecmd, &CGID_ShellDocView, 84, 0, NULL, &var);
 636     IOleCommandTarget_Release(olecmd);
 637     if(SUCCEEDED(hres) && V_VT(&var) != VT_NULL)
 638         FIXME("handle result\n");
 639 }
 640
 641 static void parse_post_data(nsIInputStream *post_data_stream, LPWSTR *headers_ret,
 642                             HGLOBAL *post_data_ret, ULONG *post_data_len_ret)
 643 {
 644     PRUint32 post_data_len = 0, available = 0;
 645     HGLOBAL post_data = NULL;
 646     LPWSTR headers = NULL;
 647     DWORD headers_len = 0, len;
 648     const char *ptr, *ptr2, *post_data_end;
 649
 650     nsIInputStream_Available(post_data_stream, &available);
 651     post_data = GlobalAlloc(0, available+1);
 652     nsIInputStream_Read(post_data_stream, post_data, available, &post_data_len);
 653
 654     TRACE("post_data = %s\n", debugstr_an(post_data, post_data_len));
 655
 656     ptr = ptr2 = post_data;
 657     post_data_end = (const char*)post_data+post_data_len;
 658
 659     while(ptr < post_data_end && (*ptr != '\r' || ptr[1] != '\n')) {
 660         while(ptr < post_data_end && (*ptr != '\r' || ptr[1] != '\n'))
 661             ptr++;
 662
 663         if(!*ptr) {
 664             FIXME("*ptr = 0\n");
 665             return;
 666         }
 667
 668         ptr += 2;
 669
 670         if(ptr-ptr2 >= sizeof(CONTENT_LENGTH)
 671            && CompareStringA(LOCALE_SYSTEM_DEFAULT, NORM_IGNORECASE,
 672                              CONTENT_LENGTH, sizeof(CONTENT_LENGTH)-1,
 673                              ptr2, sizeof(CONTENT_LENGTH)-1) == CSTR_EQUAL) {
 674             ptr2 = ptr;
 675             continue;
 676         }
 677
 678         len = MultiByteToWideChar(CP_ACP, 0, ptr2, ptr-ptr2, NULL, 0);
 679
 680         if(headers)
 681             headers = heap_realloc(headers,(headers_len+len+1)*sizeof(WCHAR));
 682         else
 683             headers = heap_alloc((len+1)*sizeof(WCHAR));
 684
 685         len = MultiByteToWideChar(CP_ACP, 0, ptr2, ptr-ptr2, headers+headers_len, len);
 686         headers_len += len;
 687
 688         ptr2 = ptr;
 689     }
 690
 691     headers[headers_len] = 0;
 692     *headers_ret = headers;
 693
 694     if(ptr >= post_data_end-2) {
 695         GlobalFree(post_data);
 696         return;
 697     }
 698
 699     ptr += 2;
 700
 701     if(headers_len) {
 702         post_data_len -= ptr-(const char*)post_data;
 703         memmove(post_data, ptr, post_data_len);
 704         post_data = GlobalReAlloc(post_data, post_data_len+1, 0);
 705     }
 706
 707     *post_data_ret = post_data;
 708     *post_data_len_ret = post_data_len;
 709 }
 710
 711 HRESULT start_binding(HTMLWindow *window, HTMLDocumentNode *doc, BSCallback *bscallback, IBindCtx *bctx)
 712 {
 713     IStream *str = NULL;
 714     HRESULT hres;
 715
 716     bscallback->doc = doc;
 717
 718     /* NOTE: IE7 calls IsSystemMoniker here*/
 719
 720     if(window)
 721         call_docview_84(window->doc_obj);
 722
 723     if(bctx) {
 724         RegisterBindStatusCallback(bctx, STATUSCLB(bscallback), NULL, 0);
 725         IBindCtx_AddRef(bctx);
 726     }else {
 727         hres = CreateAsyncBindCtx(0, STATUSCLB(bscallback), NULL, &bctx);
 728         if(FAILED(hres)) {
 729             WARN("CreateAsyncBindCtx failed: %08x\n", hres);
 730             bscallback->vtbl->stop_binding(bscallback, hres);
 731             return hres;
 732         }
 733     }
 734
 735     hres = IMoniker_BindToStorage(bscallback->mon, bctx, NULL, &IID_IStream, (void**)&str);
 736     IBindCtx_Release(bctx);
 737     if(FAILED(hres)) {
 738         WARN("BindToStorage failed: %08x\n", hres);
 739         bscallback->vtbl->stop_binding(bscallback, hres);
 740         return hres;
 741     }
 742
 743     if(str)
 744         IStream_Release(str);
 745
 746     IMoniker_Release(bscallback->mon);
 747     bscallback->mon = NULL;
 748
 749     return S_OK;
 750 }
 751
 752 typedef struct {
 753     BSCallback bsc;
 754
 755     DWORD size;
 756     BYTE *buf;
 757     HRESULT hres;
 758 } BufferBSC;
 759
 760 #define BUFFERBSC_THIS(bsc) ((BufferBSC*) bsc)
 761
 762 static void BufferBSC_destroy(BSCallback *bsc)
 763 {
 764     BufferBSC *This = BUFFERBSC_THIS(bsc);
 765
 766     heap_free(This->buf);
 767     heap_free(This);
 768 }
 769
 770 static HRESULT BufferBSC_init_bindinfo(BSCallback *bsc)
 771 {
 772     return S_OK;
 773 }
 774
 775 static HRESULT BufferBSC_start_binding(BSCallback *bsc)
 776 {
 777     return S_OK;
 778 }
 779
 780 static HRESULT BufferBSC_stop_binding(BSCallback *bsc, HRESULT result)
 781 {
 782     BufferBSC *This = BUFFERBSC_THIS(bsc);
 783
 784     This->hres = result;
 785
 786     if(FAILED(result)) {
 787         heap_free(This->buf);
 788         This->buf = NULL;
 789         This->size = 0;
 790     }
 791
 792     return S_OK;
 793 }
 794
 795 static HRESULT BufferBSC_read_data(BSCallback *bsc, IStream *stream)
 796 {
 797     BufferBSC *This = BUFFERBSC_THIS(bsc);
 798     DWORD readed;
 799     HRESULT hres;
 800
 801     if(!This->buf) {
 802         This->size = 128;
 803         This->buf = heap_alloc(This->size);
 804     }
 805
 806     do {
 807         if(This->bsc.readed == This->size) {
 808             This->size <<= 1;
 809             This->buf = heap_realloc(This->buf, This->size);
 810         }
 811
 812         readed = 0;
 813         hres = IStream_Read(stream, This->buf+This->bsc.readed, This->size-This->bsc.readed, &readed);
 814         This->bsc.readed += readed;
 815     }while(hres == S_OK);
 816
 817     return S_OK;
 818 }
 819
 820 static HRESULT BufferBSC_on_progress(BSCallback *bsc, ULONG status_code, LPCWSTR status_text)
 821 {
 822     return S_OK;
 823 }
 824
 825 static HRESULT BufferBSC_on_response(BSCallback *bsc, DWORD response_code)
 826 {
 827     return S_OK;
 828 }
 829
 830 #undef BUFFERBSC_THIS
 831
 832 static const BSCallbackVtbl BufferBSCVtbl = {
 833     BufferBSC_destroy,
 834     BufferBSC_init_bindinfo,
 835     BufferBSC_start_binding,
 836     BufferBSC_stop_binding,
 837     BufferBSC_read_data,
 838     BufferBSC_on_progress,
 839     BufferBSC_on_response
 840 };
 841
 842
 843 static BufferBSC *create_bufferbsc(IMoniker *mon)
 844 {
 845     BufferBSC *ret = heap_alloc_zero(sizeof(*ret));
 846
 847     init_bscallback(&ret->bsc, &BufferBSCVtbl, mon, 0);
 848     ret->hres = E_FAIL;
 849
 850     return ret;
 851 }
 852
 853 HRESULT bind_mon_to_buffer(HTMLDocumentNode *doc, IMoniker *mon, void **buf, DWORD *size)
 854 {
 855     BufferBSC *bsc = create_bufferbsc(mon);
 856     HRESULT hres;
 857
 858     *buf = NULL;
 859
 860     hres = start_binding(NULL, doc, &bsc->bsc, NULL);
 861     if(SUCCEEDED(hres)) {
 862         hres = bsc->hres;
 863         if(SUCCEEDED(hres)) {
 864             *buf = bsc->buf;
 865             bsc->buf = NULL;
 866             *size = bsc->bsc.readed;
 867             bsc->size = 0;
 868         }
 869     }
 870
 871     IBindStatusCallback_Release(STATUSCLB(&bsc->bsc));
 872
 873     return hres;
 874 }
 875
 876 struct nsChannelBSC {
 877     BSCallback bsc;
 878
 879     HTMLWindow *window;
 880
 881     nsChannel *nschannel;
 882     nsIStreamListener *nslistener;
 883     nsISupports *nscontext;
 884
 885     nsProtocolStream *nsstream;
 886 };
 887
 888 static void on_start_nsrequest(nsChannelBSC *This)
 889 {
 890     nsresult nsres;
 891
 892     /* FIXME: it's needed for http connections from BindToObject. */
 893     if(!This->nschannel->response_status)
 894         This->nschannel->response_status = 200;
 895
 896     nsres = nsIStreamListener_OnStartRequest(This->nslistener,
 897             (nsIRequest*)NSCHANNEL(This->nschannel), This->nscontext);
 898     if(NS_FAILED(nsres))
 899         FIXME("OnStartRequest failed: %08x\n", nsres);
 900 }
 901
 902 static void on_stop_nsrequest(nsChannelBSC *This, HRESULT result)
 903 {
 904     nsresult nsres;
 905
 906     if(!This->nslistener)
 907         return;
 908
 909     if(!This->bsc.readed && SUCCEEDED(result)) {
 910         TRACE("No data read! Calling OnStartRequest\n");
 911         on_start_nsrequest(This);
 912     }
 913
 914     nsres = nsIStreamListener_OnStopRequest(This->nslistener, (nsIRequest*)NSCHANNEL(This->nschannel),
 915              This->nscontext, SUCCEEDED(result) ? NS_OK : NS_ERROR_FAILURE);
 916     if(NS_FAILED(nsres))
 917         WARN("OnStopRequest failed: %08x\n", nsres);
 918 }
 919
 920 static HRESULT read_stream_data(nsChannelBSC *This, IStream *stream)
 921 {
 922     DWORD read;
 923     nsresult nsres;
 924     HRESULT hres;
 925
 926     if(!This->nslistener) {
 927         BYTE buf[1024];
 928
 929         do {
 930             read = 0;
 931             hres = IStream_Read(stream, buf, sizeof(buf), &read);
 932         }while(hres == S_OK && read);
 933
 934         return S_OK;
 935     }
 936
 937     if(!This->nsstream)
 938         This->nsstream = create_nsprotocol_stream();
 939
 940     do {
 941         read = 0;
 942         hres = IStream_Read(stream, This->nsstream->buf+This->nsstream->buf_size,
 943                 sizeof(This->nsstream->buf)-This->nsstream->buf_size, &read);
 944         if(!read)
 945             break;
 946
 947         This->nsstream->buf_size += read;
 948
 949         if(!This->bsc.readed) {
 950             if(This->nsstream->buf_size >= 2
 951                && (BYTE)This->nsstream->buf[0] == 0xff
 952                && (BYTE)This->nsstream->buf[1] == 0xfe)
 953                 This->nschannel->charset = heap_strdupA(UTF16_STR);
 954
 955             on_start_nsrequest(This);
 956
 957             if(This->window)
 958                 update_window_doc(This->window);
 959         }
 960
 961         This->bsc.readed += This->nsstream->buf_size;
 962
 963         nsres = nsIStreamListener_OnDataAvailable(This->nslistener,
 964                 (nsIRequest*)NSCHANNEL(This->nschannel), This->nscontext,
 965                 NSINSTREAM(This->nsstream), This->bsc.readed-This->nsstream->buf_size,
 966                 This->nsstream->buf_size);
 967         if(NS_FAILED(nsres))
 968             ERR("OnDataAvailable failed: %08x\n", nsres);
 969
 970         if(This->nsstream->buf_size == sizeof(This->nsstream->buf)) {
 971             ERR("buffer is full\n");
 972             break;
 973         }
 974     }while(hres == S_OK);
 975
 976     return S_OK;
 977 }
 978
 979 static void add_nsrequest(nsChannelBSC *This)
 980 {
 981     nsresult nsres;
 982
 983     if(!This->nschannel || !This->nschannel->load_group)
 984         return;
 985
 986     nsres = nsILoadGroup_AddRequest(This->nschannel->load_group,
 987             (nsIRequest*)NSCHANNEL(This->nschannel), This->nscontext);
 988
 989     if(NS_FAILED(nsres))
 990         ERR("AddRequest failed:%08x\n", nsres);
 991 }
 992
 993 #define NSCHANNELBSC_THIS(bsc) ((nsChannelBSC*) bsc)
 994
 995 static void nsChannelBSC_destroy(BSCallback *bsc)
 996 {
 997     nsChannelBSC *This = NSCHANNELBSC_THIS(bsc);
 998
 999     if(This->nschannel)
1000         nsIChannel_Release(NSCHANNEL(This->nschannel));
1001     if(This->nslistener)
1002         nsIStreamListener_Release(This->nslistener);
1003     if(This->nscontext)
1004         nsISupports_Release(This->nscontext);
1005     if(This->nsstream)
1006         nsIInputStream_Release(NSINSTREAM(This->nsstream));
1007     heap_free(This);
1008 }
1009
1010 static HRESULT nsChannelBSC_start_binding(BSCallback *bsc)
1011 {
1012     nsChannelBSC *This = NSCHANNELBSC_THIS(bsc);
1013
1014     add_nsrequest(This);
1015
1016     return S_OK;
1017 }
1018
1019 static HRESULT nsChannelBSC_init_bindinfo(BSCallback *bsc)
1020 {
1021     nsChannelBSC *This = NSCHANNELBSC_THIS(bsc);
1022
1023     if(This->nschannel && This->nschannel->post_data_stream) {
1024         parse_post_data(This->nschannel->post_data_stream, &This->bsc.headers, &This->bsc.post_data, &This->bsc.post_data_len);
1025         TRACE("headers = %s post_data = %s\n", debugstr_w(This->bsc.headers),
1026               debugstr_an(This->bsc.post_data, This->bsc.post_data_len));
1027     }
1028
1029     return S_OK;
1030 }
1031
1032 static HRESULT nsChannelBSC_stop_binding(BSCallback *bsc, HRESULT result)
1033 {
1034     nsChannelBSC *This = NSCHANNELBSC_THIS(bsc);
1035
1036     on_stop_nsrequest(This, result);
1037
1038     if(This->nslistener) {
1039         if(This->nschannel->load_group) {
1040             nsresult nsres;
1041
1042             nsres = nsILoadGroup_RemoveRequest(This->nschannel->load_group,
1043                     (nsIRequest*)NSCHANNEL(This->nschannel), NULL, NS_OK);
1044             if(NS_FAILED(nsres))
1045                 ERR("RemoveRequest failed: %08x\n", nsres);
1046         }
1047     }
1048
1049     return S_OK;
1050 }
1051
1052 static HRESULT nsChannelBSC_read_data(BSCallback *bsc, IStream *stream)
1053 {
1054     nsChannelBSC *This = NSCHANNELBSC_THIS(bsc);
1055
1056     return read_stream_data(This, stream);
1057 }
1058
1059 static HRESULT nsChannelBSC_on_progress(BSCallback *bsc, ULONG status_code, LPCWSTR status_text)
1060 {
1061     nsChannelBSC *This = NSCHANNELBSC_THIS(bsc);
1062
1063     switch(status_code) {
1064     case BINDSTATUS_MIMETYPEAVAILABLE:
1065         if(!This->nschannel)
1066             return S_OK;
1067
1068         heap_free(This->nschannel->content_type);
1069         This->nschannel->content_type = heap_strdupWtoA(status_text);
1070     }
1071
1072     return S_OK;
1073 }
1074
1075 static HRESULT nsChannelBSC_on_response(BSCallback *bsc, DWORD response_code)
1076 {
1077     nsChannelBSC *This = NSCHANNELBSC_THIS(bsc);
1078
1079     This->nschannel->response_status = response_code;
1080     return S_OK;
1081 }
1082
1083 #undef NSCHANNELBSC_THIS
1084
1085 static const BSCallbackVtbl nsChannelBSCVtbl = {
1086     nsChannelBSC_destroy,
1087     nsChannelBSC_init_bindinfo,
1088     nsChannelBSC_start_binding,
1089     nsChannelBSC_stop_binding,
1090     nsChannelBSC_read_data,
1091     nsChannelBSC_on_progress,
1092     nsChannelBSC_on_response
1093 };
1094
1095 nsChannelBSC *create_channelbsc(IMoniker *mon)
1096 {
1097     nsChannelBSC *ret = heap_alloc_zero(sizeof(*ret));
1098
1099     init_bscallback(&ret->bsc, &nsChannelBSCVtbl, mon, BINDF_ASYNCHRONOUS | BINDF_ASYNCSTORAGE | BINDF_PULLDATA);
1100
1101     return ret;
1102 }
1103
1104 IMoniker *get_channelbsc_mon(nsChannelBSC *This)
1105 {
1106     if(This->bsc.mon)
1107         IMoniker_AddRef(This->bsc.mon);
1108     return This->bsc.mon;
1109 }
1110
1111 void set_window_bscallback(HTMLWindow *window, nsChannelBSC *callback)
1112 {
1113     if(window->bscallback) {
1114         if(window->bscallback->bsc.binding)
1115             IBinding_Abort(window->bscallback->bsc.binding);
1116         window->bscallback->bsc.doc = NULL;
1117         window->bscallback->window = NULL;
1118         IBindStatusCallback_Release(STATUSCLB(&window->bscallback->bsc));
1119     }
1120
1121     window->bscallback = callback;
1122
1123     if(callback) {
1124         callback->window = window;
1125         IBindStatusCallback_AddRef(STATUSCLB(&callback->bsc));
1126         callback->bsc.doc = window->doc;
1127     }
1128 }
1129
1130 void abort_document_bindings(HTMLDocumentNode *doc)
1131 {
1132     BSCallback *iter;
1133
1134     LIST_FOR_EACH_ENTRY(iter, &doc->bindings, BSCallback, entry) {
1135         if(iter->binding)
1136             IBinding_Abort(iter->binding);
1137         iter->doc = NULL;
1138         list_remove(&iter->entry);
1139     }
1140 }
1141
1142 HRESULT channelbsc_load_stream(nsChannelBSC *bscallback, IStream *stream)
1143 {
1144     HRESULT hres;
1145
1146     if(!bscallback->nschannel) {
1147         ERR("NULL nschannel\n");
1148         return E_FAIL;
1149     }
1150
1151     bscallback->nschannel->content_type = heap_strdupA("text/html");
1152     if(!bscallback->nschannel->content_type)
1153         return E_OUTOFMEMORY;
1154
1155     add_nsrequest(bscallback);
1156
1157     hres = read_stream_data(bscallback, stream);
1158     IBindStatusCallback_OnStopBinding(STATUSCLB(&bscallback->bsc), hres, ERROR_SUCCESS);
1159
1160     return hres;
1161 }
1162
1163 void channelbsc_set_channel(nsChannelBSC *This, nsChannel *channel, nsIStreamListener *listener, nsISupports *context)
1164 {
1165     nsIChannel_AddRef(NSCHANNEL(channel));
1166     This->nschannel = channel;
1167
1168     nsIStreamListener_AddRef(listener);
1169     This->nslistener = listener;
1170
1171     if(context) {
1172         nsISupports_AddRef(context);
1173         This->nscontext = context;
1174     }
1175 }
1176
1177 HRESULT hlink_frame_navigate(HTMLDocument *doc, LPCWSTR url,
1178         nsIInputStream *post_data_stream, DWORD hlnf)
1179 {
1180     IHlinkFrame *hlink_frame;
1181     IServiceProvider *sp;
1182     BSCallback *callback;
1183     IBindCtx *bindctx;
1184     IMoniker *mon;
1185     IHlink *hlink;
1186     HRESULT hres;
1187
1188     hres = IOleClientSite_QueryInterface(doc->doc_obj->client, &IID_IServiceProvider,
1189             (void**)&sp);
1190     if(FAILED(hres))
1191         return hres;
1192
1193     hres = IServiceProvider_QueryService(sp, &IID_IHlinkFrame, &IID_IHlinkFrame,
1194             (void**)&hlink_frame);
1195     IServiceProvider_Release(sp);
1196     if(FAILED(hres))
1197         return hres;
1198
1199     callback = &create_channelbsc(NULL)->bsc;
1200
1201     if(post_data_stream) {
1202         parse_post_data(post_data_stream, &callback->headers, &callback->post_data,
1203                         &callback->post_data_len);
1204         TRACE("headers = %s post_data = %s\n", debugstr_w(callback->headers),
1205               debugstr_an(callback->post_data, callback->post_data_len));
1206     }
1207
1208     hres = CreateAsyncBindCtx(0, STATUSCLB(callback), NULL, &bindctx);
1209     if(SUCCEEDED(hres))
1210         hres = CoCreateInstance(&CLSID_StdHlink, NULL, CLSCTX_INPROC_SERVER,
1211                 &IID_IHlink, (LPVOID*)&hlink);
1212
1213     if(SUCCEEDED(hres))
1214         hres = CreateURLMoniker(NULL, url, &mon);
1215
1216     if(SUCCEEDED(hres)) {
1217         IHlink_SetMonikerReference(hlink, HLINKSETF_TARGET, mon, NULL);
1218
1219         if(hlnf & HLNF_OPENINNEWWINDOW) {
1220             static const WCHAR wszBlank[] = {'_','b','l','a','n','k',0};
1221             IHlink_SetTargetFrameName(hlink, wszBlank); /* FIXME */
1222         }
1223
1224         hres = IHlinkFrame_Navigate(hlink_frame, hlnf, bindctx, STATUSCLB(callback), hlink);
1225
1226         IMoniker_Release(mon);
1227     }
1228
1229     IHlinkFrame_Release(hlink_frame);
1230     IBindCtx_Release(bindctx);
1231     IBindStatusCallback_Release(STATUSCLB(callback));
1232     return hres;
1233 }
1234
1235
1236 HRESULT navigate_url(HTMLWindow *window, const WCHAR *new_url, const WCHAR *base_url)
1237 {
1238     WCHAR url[INTERNET_MAX_URL_LENGTH];
1239     nsIWebNavigation *web_navigation;
1240     nsIDocShell *doc_shell;
1241     nsIWineURI *uri;
1242     nsresult nsres;
1243     HRESULT hres;
1244
1245     if(!new_url) {
1246         *url = 0;
1247     }else if(base_url) {
1248         DWORD len = 0;
1249
1250         hres = CoInternetCombineUrl(base_url, new_url, URL_ESCAPE_SPACES_ONLY|URL_DONT_ESCAPE_EXTRA_INFO,
1251                 url, sizeof(url)/sizeof(WCHAR), &len, 0);
1252         if(FAILED(hres))
1253             return hres;
1254     }else {
1255         strcpyW(url, new_url);
1256     }
1257
1258     if(window->doc_obj && window->doc_obj->hostui) {
1259         OLECHAR *translated_url = NULL;
1260
1261         hres = IDocHostUIHandler_TranslateUrl(window->doc_obj->hostui, 0, url,
1262                 &translated_url);
1263         if(hres == S_OK) {
1264             strcpyW(url, translated_url);
1265             CoTaskMemFree(translated_url);
1266         }
1267     }
1268
1269     if(window->doc_obj && window == window->doc_obj->basedoc.window) {
1270         hres = hlink_frame_navigate(&window->doc->basedoc, url, NULL, 0);
1271         if(SUCCEEDED(hres))
1272             return S_OK;
1273         TRACE("hlink_frame_navigate failed: %08x\n", hres);
1274     }
1275
1276     nsres = get_nsinterface((nsISupports*)window->nswindow, &IID_nsIWebNavigation, (void**)&web_navigation);
1277     if(NS_FAILED(nsres)) {
1278         ERR("Could not get nsIWebNavigation interface: %08x\n", nsres);
1279         return E_FAIL;
1280     }
1281
1282     nsres = nsIWebNavigation_QueryInterface(web_navigation, &IID_nsIDocShell, (void**)&doc_shell);
1283     nsIWebNavigation_Release(web_navigation);
1284     if(NS_FAILED(nsres)) {
1285         ERR("Could not get nsIDocShell: %08x\n", nsres);
1286         return E_FAIL;
1287     }
1288
1289     hres = create_doc_uri(window, url, &uri);
1290     if(FAILED(hres)) {
1291         nsIDocShell_Release(doc_shell);
1292         return hres;
1293     }
1294
1295     nsres = nsIDocShell_LoadURI(doc_shell, (nsIURI*)uri, NULL, 0, FALSE);
1296     nsIDocShell_Release(doc_shell);
1297     if(NS_FAILED(nsres)) {
1298         WARN("LoadURI failed: %08x\n", nsres);
1299         return E_FAIL;
1300     }
1301
1302     return S_OK;
1303 }