dll/win32/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,LPCWSTR);
  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, szResponseHeaders);
 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         if(bscallback->mon != window->mon)
 722             set_current_mon(window, bscallback->mon);
 723         call_docview_84(window->doc_obj);
 724     }
 725
 726     if(bctx) {
 727         RegisterBindStatusCallback(bctx, STATUSCLB(bscallback), NULL, 0);
 728         IBindCtx_AddRef(bctx);
 729     }else {
 730         hres = CreateAsyncBindCtx(0, STATUSCLB(bscallback), NULL, &bctx);
 731         if(FAILED(hres)) {
 732             WARN("CreateAsyncBindCtx failed: %08x\n", hres);
 733             bscallback->vtbl->stop_binding(bscallback, hres);
 734             return hres;
 735         }
 736     }
 737
 738     hres = IMoniker_BindToStorage(bscallback->mon, bctx, NULL, &IID_IStream, (void**)&str);
 739     IBindCtx_Release(bctx);
 740     if(FAILED(hres)) {
 741         WARN("BindToStorage failed: %08x\n", hres);
 742         bscallback->vtbl->stop_binding(bscallback, hres);
 743         return hres;
 744     }
 745
 746     if(str)
 747         IStream_Release(str);
 748
 749     IMoniker_Release(bscallback->mon);
 750     bscallback->mon = NULL;
 751
 752     return S_OK;
 753 }
 754
 755 typedef struct {
 756     BSCallback bsc;
 757
 758     DWORD size;
 759     BYTE *buf;
 760     HRESULT hres;
 761 } BufferBSC;
 762
 763 #define BUFFERBSC_THIS(bsc) ((BufferBSC*) bsc)
 764
 765 static void BufferBSC_destroy(BSCallback *bsc)
 766 {
 767     BufferBSC *This = BUFFERBSC_THIS(bsc);
 768
 769     heap_free(This->buf);
 770     heap_free(This);
 771 }
 772
 773 static HRESULT BufferBSC_init_bindinfo(BSCallback *bsc)
 774 {
 775     return S_OK;
 776 }
 777
 778 static HRESULT BufferBSC_start_binding(BSCallback *bsc)
 779 {
 780     return S_OK;
 781 }
 782
 783 static HRESULT BufferBSC_stop_binding(BSCallback *bsc, HRESULT result)
 784 {
 785     BufferBSC *This = BUFFERBSC_THIS(bsc);
 786
 787     This->hres = result;
 788
 789     if(FAILED(result)) {
 790         heap_free(This->buf);
 791         This->buf = NULL;
 792         This->size = 0;
 793     }
 794
 795     return S_OK;
 796 }
 797
 798 static HRESULT BufferBSC_read_data(BSCallback *bsc, IStream *stream)
 799 {
 800     BufferBSC *This = BUFFERBSC_THIS(bsc);
 801     DWORD readed;
 802     HRESULT hres;
 803
 804     if(!This->buf) {
 805         This->size = 128;
 806         This->buf = heap_alloc(This->size);
 807     }
 808
 809     do {
 810         if(This->bsc.readed == This->size) {
 811             This->size <<= 1;
 812             This->buf = heap_realloc(This->buf, This->size);
 813         }
 814
 815         readed = 0;
 816         hres = IStream_Read(stream, This->buf+This->bsc.readed, This->size-This->bsc.readed, &readed);
 817         This->bsc.readed += readed;
 818     }while(hres == S_OK);
 819
 820     return S_OK;
 821 }
 822
 823 static HRESULT BufferBSC_on_progress(BSCallback *bsc, ULONG status_code, LPCWSTR status_text)
 824 {
 825     return S_OK;
 826 }
 827
 828 static HRESULT BufferBSC_on_response(BSCallback *bsc, DWORD response_code,
 829         LPCWSTR response_headers)
 830 {
 831     return S_OK;
 832 }
 833
 834 #undef BUFFERBSC_THIS
 835
 836 static const BSCallbackVtbl BufferBSCVtbl = {
 837     BufferBSC_destroy,
 838     BufferBSC_init_bindinfo,
 839     BufferBSC_start_binding,
 840     BufferBSC_stop_binding,
 841     BufferBSC_read_data,
 842     BufferBSC_on_progress,
 843     BufferBSC_on_response
 844 };
 845
 846
 847 static BufferBSC *create_bufferbsc(IMoniker *mon)
 848 {
 849     BufferBSC *ret = heap_alloc_zero(sizeof(*ret));
 850
 851     init_bscallback(&ret->bsc, &BufferBSCVtbl, mon, 0);
 852     ret->hres = E_FAIL;
 853
 854     return ret;
 855 }
 856
 857 HRESULT bind_mon_to_buffer(HTMLDocumentNode *doc, IMoniker *mon, void **buf, DWORD *size)
 858 {
 859     BufferBSC *bsc = create_bufferbsc(mon);
 860     HRESULT hres;
 861
 862     *buf = NULL;
 863
 864     hres = start_binding(NULL, doc, &bsc->bsc, NULL);
 865     if(SUCCEEDED(hres)) {
 866         hres = bsc->hres;
 867         if(SUCCEEDED(hres)) {
 868             *buf = bsc->buf;
 869             bsc->buf = NULL;
 870             *size = bsc->bsc.readed;
 871             bsc->size = 0;
 872         }
 873     }
 874
 875     IBindStatusCallback_Release(STATUSCLB(&bsc->bsc));
 876
 877     return hres;
 878 }
 879
 880 struct nsChannelBSC {
 881     BSCallback bsc;
 882
 883     HTMLWindow *window;
 884
 885     nsChannel *nschannel;
 886     nsIStreamListener *nslistener;
 887     nsISupports *nscontext;
 888
 889     nsProtocolStream *nsstream;
 890 };
 891
 892 static void on_start_nsrequest(nsChannelBSC *This)
 893 {
 894     nsresult nsres;
 895
 896     /* FIXME: it's needed for http connections from BindToObject. */
 897     if(!This->nschannel->response_status)
 898         This->nschannel->response_status = 200;
 899
 900     nsres = nsIStreamListener_OnStartRequest(This->nslistener,
 901             (nsIRequest*)NSCHANNEL(This->nschannel), This->nscontext);
 902     if(NS_FAILED(nsres))
 903         FIXME("OnStartRequest failed: %08x\n", nsres);
 904 }
 905
 906 static void on_stop_nsrequest(nsChannelBSC *This, HRESULT result)
 907 {
 908     nsresult nsres;
 909
 910     if(!This->nslistener)
 911         return;
 912
 913     if(!This->bsc.readed && SUCCEEDED(result)) {
 914         TRACE("No data read! Calling OnStartRequest\n");
 915         on_start_nsrequest(This);
 916     }
 917
 918     nsres = nsIStreamListener_OnStopRequest(This->nslistener, (nsIRequest*)NSCHANNEL(This->nschannel),
 919              This->nscontext, SUCCEEDED(result) ? NS_OK : NS_ERROR_FAILURE);
 920     if(NS_FAILED(nsres))
 921         WARN("OnStopRequest failed: %08x\n", nsres);
 922 }
 923
 924 static HRESULT read_stream_data(nsChannelBSC *This, IStream *stream)
 925 {
 926     DWORD read;
 927     nsresult nsres;
 928     HRESULT hres;
 929
 930     if(!This->nslistener) {
 931         BYTE buf[1024];
 932
 933         do {
 934             read = 0;
 935             hres = IStream_Read(stream, buf, sizeof(buf), &read);
 936         }while(hres == S_OK && read);
 937
 938         return S_OK;
 939     }
 940
 941     if(!This->nsstream)
 942         This->nsstream = create_nsprotocol_stream();
 943
 944     do {
 945         read = 0;
 946         hres = IStream_Read(stream, This->nsstream->buf+This->nsstream->buf_size,
 947                 sizeof(This->nsstream->buf)-This->nsstream->buf_size, &read);
 948         if(!read)
 949             break;
 950
 951         This->nsstream->buf_size += read;
 952
 953         if(!This->bsc.readed) {
 954             if(This->nsstream->buf_size >= 2
 955                && (BYTE)This->nsstream->buf[0] == 0xff
 956                && (BYTE)This->nsstream->buf[1] == 0xfe)
 957                 This->nschannel->charset = heap_strdupA(UTF16_STR);
 958
 959             if(!This->nschannel->content_type) {
 960                 WCHAR *mime;
 961
 962                 hres = FindMimeFromData(NULL, NULL, This->nsstream->buf, This->nsstream->buf_size, NULL, 0, &mime, 0);
 963                 if(FAILED(hres))
 964                     return hres;
 965
 966                 TRACE("Found MIME %s\n", debugstr_w(mime));
 967
 968                 This->nschannel->content_type = heap_strdupWtoA(mime);
 969                 CoTaskMemFree(mime);
 970                 if(!This->nschannel->content_type)
 971                     return E_OUTOFMEMORY;
 972             }
 973
 974             on_start_nsrequest(This);
 975
 976             if(This->window) {
 977                 update_window_doc(This->window);
 978                 if(This->window->readystate != READYSTATE_LOADING)
 979                     set_ready_state(This->window, READYSTATE_LOADING);
 980             }
 981         }
 982
 983         This->bsc.readed += This->nsstream->buf_size;
 984
 985         nsres = nsIStreamListener_OnDataAvailable(This->nslistener,
 986                 (nsIRequest*)NSCHANNEL(This->nschannel), This->nscontext,
 987                 NSINSTREAM(This->nsstream), This->bsc.readed-This->nsstream->buf_size,
 988                 This->nsstream->buf_size);
 989         if(NS_FAILED(nsres))
 990             ERR("OnDataAvailable failed: %08x\n", nsres);
 991
 992         if(This->nsstream->buf_size == sizeof(This->nsstream->buf)) {
 993             ERR("buffer is full\n");
 994             break;
 995         }
 996     }while(hres == S_OK);
 997
 998     return S_OK;
 999 }
1000
1001 static void add_nsrequest(nsChannelBSC *This)
1002 {
1003     nsresult nsres;
1004
1005     if(!This->nschannel || !This->nschannel->load_group)
1006         return;
1007
1008     nsres = nsILoadGroup_AddRequest(This->nschannel->load_group,
1009             (nsIRequest*)NSCHANNEL(This->nschannel), This->nscontext);
1010
1011     if(NS_FAILED(nsres))
1012         ERR("AddRequest failed:%08x\n", nsres);
1013 }
1014
1015 #define NSCHANNELBSC_THIS(bsc) ((nsChannelBSC*) bsc)
1016
1017 static void nsChannelBSC_destroy(BSCallback *bsc)
1018 {
1019     nsChannelBSC *This = NSCHANNELBSC_THIS(bsc);
1020
1021     if(This->nschannel)
1022         nsIChannel_Release(NSCHANNEL(This->nschannel));
1023     if(This->nslistener)
1024         nsIStreamListener_Release(This->nslistener);
1025     if(This->nscontext)
1026         nsISupports_Release(This->nscontext);
1027     if(This->nsstream)
1028         nsIInputStream_Release(NSINSTREAM(This->nsstream));
1029     heap_free(This);
1030 }
1031
1032 static HRESULT nsChannelBSC_start_binding(BSCallback *bsc)
1033 {
1034     nsChannelBSC *This = NSCHANNELBSC_THIS(bsc);
1035
1036     add_nsrequest(This);
1037
1038     return S_OK;
1039 }
1040
1041 static HRESULT nsChannelBSC_init_bindinfo(BSCallback *bsc)
1042 {
1043     nsChannelBSC *This = NSCHANNELBSC_THIS(bsc);
1044
1045     if(This->nschannel && This->nschannel->post_data_stream) {
1046         parse_post_data(This->nschannel->post_data_stream, &This->bsc.headers, &This->bsc.post_data, &This->bsc.post_data_len);
1047         TRACE("headers = %s post_data = %s\n", debugstr_w(This->bsc.headers),
1048               debugstr_an(This->bsc.post_data, This->bsc.post_data_len));
1049     }
1050
1051     return S_OK;
1052 }
1053
1054 static HRESULT nsChannelBSC_stop_binding(BSCallback *bsc, HRESULT result)
1055 {
1056     nsChannelBSC *This = NSCHANNELBSC_THIS(bsc);
1057
1058     on_stop_nsrequest(This, result);
1059
1060     if(This->nslistener) {
1061         if(This->nschannel->load_group) {
1062             nsresult nsres;
1063
1064             nsres = nsILoadGroup_RemoveRequest(This->nschannel->load_group,
1065                     (nsIRequest*)NSCHANNEL(This->nschannel), NULL, NS_OK);
1066             if(NS_FAILED(nsres))
1067                 ERR("RemoveRequest failed: %08x\n", nsres);
1068         }
1069     }
1070
1071     return S_OK;
1072 }
1073
1074 static HRESULT nsChannelBSC_read_data(BSCallback *bsc, IStream *stream)
1075 {
1076     nsChannelBSC *This = NSCHANNELBSC_THIS(bsc);
1077
1078     return read_stream_data(This, stream);
1079 }
1080
1081 static HRESULT nsChannelBSC_on_progress(BSCallback *bsc, ULONG status_code, LPCWSTR status_text)
1082 {
1083     nsChannelBSC *This = NSCHANNELBSC_THIS(bsc);
1084
1085     switch(status_code) {
1086     case BINDSTATUS_MIMETYPEAVAILABLE:
1087         if(!This->nschannel)
1088             return S_OK;
1089
1090         heap_free(This->nschannel->content_type);
1091         This->nschannel->content_type = heap_strdupWtoA(status_text);
1092         break;
1093     case BINDSTATUS_REDIRECTING:
1094         TRACE("redirect to %s\n", debugstr_w(status_text));
1095
1096         /* FIXME: We should find a better way to handle this */
1097         set_wine_url(This->nschannel->uri, status_text);
1098     }
1099
1100     return S_OK;
1101 }
1102
1103 static HRESULT nsChannelBSC_on_response(BSCallback *bsc, DWORD response_code,
1104         LPCWSTR response_headers)
1105 {
1106     nsChannelBSC *This = NSCHANNELBSC_THIS(bsc);
1107
1108     This->nschannel->response_status = response_code;
1109
1110     if(response_headers) {
1111         const WCHAR *hdr_start, *hdr_end;
1112
1113         hdr_start = strchrW(response_headers, '\r');
1114         while(hdr_start) {
1115             const WCHAR *colon;
1116             struct ResponseHeader *new_header;
1117             int len;
1118
1119             hdr_start += 2;
1120             hdr_end = strchrW(hdr_start, '\r');
1121             if(!hdr_end) {
1122                 WARN("Header doesn't end with CRLF: %s\n", wine_dbgstr_w(hdr_start));
1123                 break;
1124             }
1125             if(hdr_end == hdr_start)
1126                 break;
1127
1128             for(colon = hdr_start; *colon != ':' && colon != hdr_end; ++colon);
1129             if(*colon != ':') {
1130                 WARN("Header missing colon: %s\n", wine_dbgstr_w(hdr_start));
1131                 hdr_start = strchrW(hdr_start, '\r');
1132                 continue;
1133             }
1134
1135             new_header = heap_alloc(sizeof(struct ResponseHeader));
1136             if(!new_header)
1137                 return E_OUTOFMEMORY;
1138
1139             len = colon - hdr_start;
1140             new_header->header = heap_alloc((len + 1) * sizeof(WCHAR));
1141             if(!new_header->header) {
1142                 heap_free(new_header);
1143                 return E_OUTOFMEMORY;
1144             }
1145             memcpy(new_header->header, hdr_start, len * sizeof(WCHAR));
1146             new_header->header[len] = 0;
1147
1148             colon++;
1149             while(*colon == ' ')
1150                 colon++;
1151
1152             len = hdr_end - colon;
1153             new_header->data = heap_alloc((len + 1) * sizeof(WCHAR));
1154             if(!new_header->data) {
1155                 heap_free(new_header->header);
1156                 heap_free(new_header);
1157                 return E_OUTOFMEMORY;
1158             }
1159             memcpy(new_header->data, colon, len * sizeof(WCHAR));
1160             new_header->data[len] = 0;
1161
1162             list_add_head(&This->nschannel->response_headers, &new_header->entry);
1163             TRACE("Adding header to list: (%s):(%s)\n", wine_dbgstr_w(new_header->header), wine_dbgstr_w(new_header->data));
1164
1165             hdr_start = strchrW(hdr_start, '\r');
1166         }
1167     }
1168
1169     return S_OK;
1170 }
1171
1172 #undef NSCHANNELBSC_THIS
1173
1174 static const BSCallbackVtbl nsChannelBSCVtbl = {
1175     nsChannelBSC_destroy,
1176     nsChannelBSC_init_bindinfo,
1177     nsChannelBSC_start_binding,
1178     nsChannelBSC_stop_binding,
1179     nsChannelBSC_read_data,
1180     nsChannelBSC_on_progress,
1181     nsChannelBSC_on_response
1182 };
1183
1184 HRESULT create_channelbsc(IMoniker *mon, WCHAR *headers, BYTE *post_data, DWORD post_data_size, nsChannelBSC **retval)
1185 {
1186     nsChannelBSC *ret;
1187
1188     ret = heap_alloc_zero(sizeof(*ret));
1189     if(!ret)
1190         return E_OUTOFMEMORY;
1191
1192     init_bscallback(&ret->bsc, &nsChannelBSCVtbl, mon, BINDF_ASYNCHRONOUS | BINDF_ASYNCSTORAGE | BINDF_PULLDATA);
1193
1194     if(headers) {
1195         ret->bsc.headers = heap_strdupW(headers);
1196         if(!ret->bsc.headers) {
1197             IBindStatusCallback_Release(STATUSCLB(&ret->bsc));
1198             return E_OUTOFMEMORY;
1199         }
1200     }
1201
1202     if(post_data) {
1203         ret->bsc.post_data = GlobalAlloc(0, post_data_size);
1204         if(!ret->bsc.post_data) {
1205             heap_free(ret->bsc.headers);
1206             IBindStatusCallback_Release(STATUSCLB(&ret->bsc));
1207             return E_OUTOFMEMORY;
1208         }
1209
1210         memcpy(ret->bsc.post_data, post_data, post_data_size);
1211         ret->bsc.post_data_len = post_data_size;
1212     }
1213
1214     *retval = ret;
1215     return S_OK;
1216 }
1217
1218 IMoniker *get_channelbsc_mon(nsChannelBSC *This)
1219 {
1220     if(This->bsc.mon)
1221         IMoniker_AddRef(This->bsc.mon);
1222     return This->bsc.mon;
1223 }
1224
1225 void set_window_bscallback(HTMLWindow *window, nsChannelBSC *callback)
1226 {
1227     if(window->bscallback) {
1228         if(window->bscallback->bsc.binding)
1229             IBinding_Abort(window->bscallback->bsc.binding);
1230         window->bscallback->bsc.doc = NULL;
1231         window->bscallback->window = NULL;
1232         IBindStatusCallback_Release(STATUSCLB(&window->bscallback->bsc));
1233     }
1234
1235     window->bscallback = callback;
1236
1237     if(callback) {
1238         callback->window = window;
1239         IBindStatusCallback_AddRef(STATUSCLB(&callback->bsc));
1240         callback->bsc.doc = window->doc;
1241     }
1242 }
1243
1244 typedef struct {
1245     task_t header;
1246     HTMLWindow *window;
1247     nsChannelBSC *bscallback;
1248 } start_doc_binding_task_t;
1249
1250 static void start_doc_binding_proc(task_t *_task)
1251 {
1252     start_doc_binding_task_t *task = (start_doc_binding_task_t*)_task;
1253
1254     start_binding(task->window, NULL, (BSCallback*)task->bscallback, NULL);
1255     IBindStatusCallback_Release(STATUSCLB(&task->bscallback->bsc));
1256 }
1257
1258 HRESULT async_start_doc_binding(HTMLWindow *window, nsChannelBSC *bscallback)
1259 {
1260     start_doc_binding_task_t *task;
1261
1262     task = heap_alloc(sizeof(start_doc_binding_task_t));
1263     if(!task)
1264         return E_OUTOFMEMORY;
1265
1266     task->window = window;
1267     task->bscallback = bscallback;
1268     IBindStatusCallback_AddRef(STATUSCLB(&bscallback->bsc));
1269
1270     push_task(&task->header, start_doc_binding_proc, window->task_magic);
1271     return S_OK;
1272 }
1273
1274 void abort_document_bindings(HTMLDocumentNode *doc)
1275 {
1276     BSCallback *iter;
1277
1278     LIST_FOR_EACH_ENTRY(iter, &doc->bindings, BSCallback, entry) {
1279         if(iter->binding)
1280             IBinding_Abort(iter->binding);
1281         iter->doc = NULL;
1282         list_remove(&iter->entry);
1283     }
1284 }
1285
1286 HRESULT channelbsc_load_stream(nsChannelBSC *bscallback, IStream *stream)
1287 {
1288     HRESULT hres;
1289
1290     if(!bscallback->nschannel) {
1291         ERR("NULL nschannel\n");
1292         return E_FAIL;
1293     }
1294
1295     bscallback->nschannel->content_type = heap_strdupA("text/html");
1296     if(!bscallback->nschannel->content_type)
1297         return E_OUTOFMEMORY;
1298
1299     add_nsrequest(bscallback);
1300
1301     hres = read_stream_data(bscallback, stream);
1302     IBindStatusCallback_OnStopBinding(STATUSCLB(&bscallback->bsc), hres, ERROR_SUCCESS);
1303
1304     return hres;
1305 }
1306
1307 void channelbsc_set_channel(nsChannelBSC *This, nsChannel *channel, nsIStreamListener *listener, nsISupports *context)
1308 {
1309     nsIChannel_AddRef(NSCHANNEL(channel));
1310     This->nschannel = channel;
1311
1312     nsIStreamListener_AddRef(listener);
1313     This->nslistener = listener;
1314
1315     if(context) {
1316         nsISupports_AddRef(context);
1317         This->nscontext = context;
1318     }
1319 }
1320
1321 HRESULT hlink_frame_navigate(HTMLDocument *doc, LPCWSTR url,
1322         nsIInputStream *post_data_stream, DWORD hlnf, BOOL *cancel)
1323 {
1324     IHlinkFrame *hlink_frame;
1325     nsChannelBSC *callback;
1326     IServiceProvider *sp;
1327     IBindCtx *bindctx;
1328     IMoniker *mon;
1329     IHlink *hlink;
1330     HRESULT hres;
1331
1332     *cancel = FALSE;
1333
1334     hres = IOleClientSite_QueryInterface(doc->doc_obj->client, &IID_IServiceProvider,
1335             (void**)&sp);
1336     if(FAILED(hres))
1337         return S_OK;
1338
1339     hres = IServiceProvider_QueryService(sp, &IID_IHlinkFrame, &IID_IHlinkFrame,
1340             (void**)&hlink_frame);
1341     IServiceProvider_Release(sp);
1342     if(FAILED(hres))
1343         return S_OK;
1344
1345     hres = create_channelbsc(NULL, NULL, NULL, 0, &callback);
1346     if(FAILED(hres)) {
1347         IHlinkFrame_Release(hlink_frame);
1348         return hres;
1349     }
1350
1351     if(post_data_stream) {
1352         parse_post_data(post_data_stream, &callback->bsc.headers, &callback->bsc.post_data,
1353                         &callback->bsc.post_data_len);
1354         TRACE("headers = %s post_data = %s\n", debugstr_w(callback->bsc.headers),
1355               debugstr_an(callback->bsc.post_data, callback->bsc.post_data_len));
1356     }
1357
1358     hres = CreateAsyncBindCtx(0, STATUSCLB(&callback->bsc), NULL, &bindctx);
1359     if(SUCCEEDED(hres))
1360         hres = CoCreateInstance(&CLSID_StdHlink, NULL, CLSCTX_INPROC_SERVER,
1361                 &IID_IHlink, (LPVOID*)&hlink);
1362
1363     if(SUCCEEDED(hres))
1364         hres = CreateURLMoniker(NULL, url, &mon);
1365
1366     if(SUCCEEDED(hres)) {
1367         IHlink_SetMonikerReference(hlink, HLINKSETF_TARGET, mon, NULL);
1368
1369         if(hlnf & HLNF_OPENINNEWWINDOW) {
1370             static const WCHAR wszBlank[] = {'_','b','l','a','n','k',0};
1371             IHlink_SetTargetFrameName(hlink, wszBlank); /* FIXME */
1372         }
1373
1374         hres = IHlinkFrame_Navigate(hlink_frame, hlnf, bindctx, STATUSCLB(&callback->bsc), hlink);
1375         IMoniker_Release(mon);
1376         *cancel = hres == S_OK;
1377         hres = S_OK;
1378     }
1379
1380     IHlinkFrame_Release(hlink_frame);
1381     IBindCtx_Release(bindctx);
1382     IBindStatusCallback_Release(STATUSCLB(&callback->bsc));
1383     return hres;
1384 }
1385
1386 HRESULT navigate_url(HTMLWindow *window, const WCHAR *new_url, const WCHAR *base_url)
1387 {
1388     WCHAR url[INTERNET_MAX_URL_LENGTH];
1389     nsWineURI *uri;
1390     HRESULT hres;
1391
1392     if(!new_url) {
1393         *url = 0;
1394     }else if(base_url) {
1395         DWORD len = 0;
1396
1397         hres = CoInternetCombineUrl(base_url, new_url, URL_ESCAPE_SPACES_ONLY|URL_DONT_ESCAPE_EXTRA_INFO,
1398                 url, sizeof(url)/sizeof(WCHAR), &len, 0);
1399         if(FAILED(hres))
1400             return hres;
1401     }else {
1402         strcpyW(url, new_url);
1403     }
1404
1405     if(window->doc_obj && window->doc_obj->hostui) {
1406         OLECHAR *translated_url = NULL;
1407
1408         hres = IDocHostUIHandler_TranslateUrl(window->doc_obj->hostui, 0, url,
1409                 &translated_url);
1410         if(hres == S_OK) {
1411             TRACE("%08x %s -> %s\n", hres, debugstr_w(url), debugstr_w(translated_url));
1412             strcpyW(url, translated_url);
1413             CoTaskMemFree(translated_url);
1414         }
1415     }
1416
1417     if(window->doc_obj && window == window->doc_obj->basedoc.window) {
1418         BOOL cancel;
1419
1420         hres = hlink_frame_navigate(&window->doc->basedoc, url, NULL, 0, &cancel);
1421         if(FAILED(hres))
1422             return hres;
1423
1424         if(cancel) {
1425             TRACE("Navigation handled by hlink frame\n");
1426             return S_OK;
1427         }
1428     }
1429
1430     hres = create_doc_uri(window, url, &uri);
1431     if(FAILED(hres))
1432         return hres;
1433
1434     hres = load_nsuri(window, uri, NULL, LOAD_FLAGS_NONE);
1435     nsISupports_Release((nsISupports*)uri);
1436     return hres;
1437 }