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