dlls/mshtml/navigate.c

   1 /*
   2  * Copyright 2006-2010 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     HRESULT (*beginning_transaction)(BSCallback*,WCHAR**);
  67 } BSCallbackVtbl;
  68
  69 struct BSCallback {
  70     const IBindStatusCallbackVtbl *lpBindStatusCallbackVtbl;
  71     const IServiceProviderVtbl    *lpServiceProviderVtbl;
  72     const IHttpNegotiate2Vtbl     *lpHttpNegotiate2Vtbl;
  73     const IInternetBindInfoVtbl   *lpInternetBindInfoVtbl;
  74
  75     const BSCallbackVtbl          *vtbl;
  76
  77     LONG ref;
  78
  79     LPWSTR headers;
  80     HGLOBAL post_data;
  81     ULONG post_data_len;
  82     ULONG readed;
  83     DWORD bindf;
  84     BOOL bindinfo_ready;
  85
  86     IMoniker *mon;
  87     IBinding *binding;
  88
  89     HTMLDocumentNode *doc;
  90
  91     struct list entry;
  92 };
  93
  94 #define NSINSTREAM_THIS(iface) DEFINE_THIS(nsProtocolStream, InputStream, iface)
  95
  96 static nsresult NSAPI nsInputStream_QueryInterface(nsIInputStream *iface, nsIIDRef riid,
  97         void **result)
  98 {
  99     nsProtocolStream *This = NSINSTREAM_THIS(iface);
 100
 101     *result = NULL;
 102
 103     if(IsEqualGUID(&IID_nsISupports, riid)) {
 104         TRACE("(%p)->(IID_nsISupports %p)\n", This, result);
 105         *result  = NSINSTREAM(This);
 106     }else if(IsEqualGUID(&IID_nsIInputStream, riid)) {
 107         TRACE("(%p)->(IID_nsIInputStream %p)\n", This, result);
 108         *result  = NSINSTREAM(This);
 109     }
 110
 111     if(*result) {
 112         nsIInputStream_AddRef(NSINSTREAM(This));
 113         return NS_OK;
 114     }
 115
 116     WARN("unsupported interface %s\n", debugstr_guid(riid));
 117     return NS_NOINTERFACE;
 118 }
 119
 120 static nsrefcnt NSAPI nsInputStream_AddRef(nsIInputStream *iface)
 121 {
 122     nsProtocolStream *This = NSINSTREAM_THIS(iface);
 123     LONG ref = InterlockedIncrement(&This->ref);
 124
 125     TRACE("(%p) ref=%d\n", This, ref);
 126
 127     return ref;
 128 }
 129
 130
 131 static nsrefcnt NSAPI nsInputStream_Release(nsIInputStream *iface)
 132 {
 133     nsProtocolStream *This = NSINSTREAM_THIS(iface);
 134     LONG ref = InterlockedDecrement(&This->ref);
 135
 136     TRACE("(%p) ref=%d\n", This, ref);
 137
 138     if(!ref)
 139         heap_free(This);
 140
 141     return ref;
 142 }
 143
 144 static nsresult NSAPI nsInputStream_Close(nsIInputStream *iface)
 145 {
 146     nsProtocolStream *This = NSINSTREAM_THIS(iface);
 147     FIXME("(%p)\n", This);
 148     return NS_ERROR_NOT_IMPLEMENTED;
 149 }
 150
 151 static nsresult NSAPI nsInputStream_Available(nsIInputStream *iface, PRUint32 *_retval)
 152 {
 153     nsProtocolStream *This = NSINSTREAM_THIS(iface);
 154     FIXME("(%p)->(%p)\n", This, _retval);
 155     return NS_ERROR_NOT_IMPLEMENTED;
 156 }
 157
 158 static nsresult NSAPI nsInputStream_Read(nsIInputStream *iface, char *aBuf, PRUint32 aCount,
 159                                          PRUint32 *_retval)
 160 {
 161     nsProtocolStream *This = NSINSTREAM_THIS(iface);
 162     DWORD read = aCount;
 163
 164     TRACE("(%p)->(%p %d %p)\n", This, aBuf, aCount, _retval);
 165
 166     if(read > This->buf_size)
 167         read = This->buf_size;
 168
 169     if(read) {
 170         memcpy(aBuf, This->buf, read);
 171         if(read < This->buf_size)
 172             memmove(This->buf, This->buf+read, This->buf_size-read);
 173         This->buf_size -= read;
 174     }
 175
 176     *_retval = read;
 177     return NS_OK;
 178 }
 179
 180 static nsresult NSAPI nsInputStream_ReadSegments(nsIInputStream *iface,
 181         nsresult (WINAPI *aWriter)(nsIInputStream*,void*,const char*,PRUint32,PRUint32,PRUint32*),
 182         void *aClousure, PRUint32 aCount, PRUint32 *_retval)
 183 {
 184     nsProtocolStream *This = NSINSTREAM_THIS(iface);
 185     PRUint32 written = 0;
 186     nsresult nsres;
 187
 188     TRACE("(%p)->(%p %p %d %p)\n", This, aWriter, aClousure, aCount, _retval);
 189
 190     if(!This->buf_size)
 191         return S_OK;
 192
 193     if(aCount > This->buf_size)
 194         aCount = This->buf_size;
 195
 196     nsres = aWriter(NSINSTREAM(This), aClousure, This->buf, 0, aCount, &written);
 197     if(NS_FAILED(nsres))
 198         TRACE("aWritter failed: %08x\n", nsres);
 199     else if(written != This->buf_size)
 200         FIXME("written %d != buf_size %d\n", written, This->buf_size);
 201
 202     This->buf_size -= written;
 203
 204     *_retval = written;
 205     return nsres;
 206 }
 207
 208 static nsresult NSAPI nsInputStream_IsNonBlocking(nsIInputStream *iface, PRBool *_retval)
 209 {
 210     nsProtocolStream *This = NSINSTREAM_THIS(iface);
 211     FIXME("(%p)->(%p)\n", This, _retval);
 212     return NS_ERROR_NOT_IMPLEMENTED;
 213 }
 214
 215 #undef NSINSTREAM_THIS
 216
 217 static const nsIInputStreamVtbl nsInputStreamVtbl = {
 218     nsInputStream_QueryInterface,
 219     nsInputStream_AddRef,
 220     nsInputStream_Release,
 221     nsInputStream_Close,
 222     nsInputStream_Available,
 223     nsInputStream_Read,
 224     nsInputStream_ReadSegments,
 225     nsInputStream_IsNonBlocking
 226 };
 227
 228 static nsProtocolStream *create_nsprotocol_stream(void)
 229 {
 230     nsProtocolStream *ret = heap_alloc(sizeof(nsProtocolStream));
 231
 232     ret->lpInputStreamVtbl = &nsInputStreamVtbl;
 233     ret->ref = 1;
 234     ret->buf_size = 0;
 235
 236     return ret;
 237 }
 238
 239 #define STATUSCLB_THIS(iface) DEFINE_THIS(BSCallback, BindStatusCallback, iface)
 240
 241 static HRESULT WINAPI BindStatusCallback_QueryInterface(IBindStatusCallback *iface,
 242         REFIID riid, void **ppv)
 243 {
 244     BSCallback *This = STATUSCLB_THIS(iface);
 245
 246     *ppv = NULL;
 247     if(IsEqualGUID(&IID_IUnknown, riid)) {
 248         TRACE("(%p)->(IID_IUnknown, %p)\n", This, ppv);
 249         *ppv = STATUSCLB(This);
 250     }else if(IsEqualGUID(&IID_IBindStatusCallback, riid)) {
 251         TRACE("(%p)->(IID_IBindStatusCallback, %p)\n", This, ppv);
 252         *ppv = STATUSCLB(This);
 253     }else if(IsEqualGUID(&IID_IServiceProvider, riid)) {
 254         TRACE("(%p)->(IID_IServiceProvider %p)\n", This, ppv);
 255         *ppv = SERVPROV(This);
 256     }else if(IsEqualGUID(&IID_IHttpNegotiate, riid)) {
 257         TRACE("(%p)->(IID_IHttpNegotiate %p)\n", This, ppv);
 258         *ppv = HTTPNEG(This);
 259     }else if(IsEqualGUID(&IID_IHttpNegotiate2, riid)) {
 260         TRACE("(%p)->(IID_IHttpNegotiate2 %p)\n", This, ppv);
 261         *ppv = HTTPNEG(This);
 262     }else if(IsEqualGUID(&IID_IInternetBindInfo, riid)) {
 263         TRACE("(%p)->(IID_IInternetBindInfo %p)\n", This, ppv);
 264         *ppv = BINDINFO(This);
 265     }
 266
 267     if(*ppv) {
 268         IBindStatusCallback_AddRef(STATUSCLB(This));
 269         return S_OK;
 270     }
 271
 272     TRACE("Unsupported riid = %s\n", debugstr_guid(riid));
 273     return E_NOINTERFACE;
 274 }
 275
 276 static ULONG WINAPI BindStatusCallback_AddRef(IBindStatusCallback *iface)
 277 {
 278     BSCallback *This = STATUSCLB_THIS(iface);
 279     LONG ref = InterlockedIncrement(&This->ref);
 280
 281     TRACE("(%p) ref = %d\n", This, ref);
 282
 283     return ref;
 284 }
 285
 286 static ULONG WINAPI BindStatusCallback_Release(IBindStatusCallback *iface)
 287 {
 288     BSCallback *This = STATUSCLB_THIS(iface);
 289     LONG ref = InterlockedDecrement(&This->ref);
 290
 291     TRACE("(%p) ref = %d\n", This, ref);
 292
 293     if(!ref) {
 294         if(This->post_data)
 295             GlobalFree(This->post_data);
 296         if(This->mon)
 297             IMoniker_Release(This->mon);
 298         if(This->binding)
 299             IBinding_Release(This->binding);
 300         list_remove(&This->entry);
 301         heap_free(This->headers);
 302
 303         This->vtbl->destroy(This);
 304     }
 305
 306     return ref;
 307 }
 308
 309 static HRESULT WINAPI BindStatusCallback_OnStartBinding(IBindStatusCallback *iface,
 310         DWORD dwReserved, IBinding *pbind)
 311 {
 312     BSCallback *This = STATUSCLB_THIS(iface);
 313
 314     TRACE("(%p)->(%d %p)\n", This, dwReserved, pbind);
 315
 316     IBinding_AddRef(pbind);
 317     This->binding = pbind;
 318
 319     if(This->doc)
 320         list_add_head(&This->doc->bindings, &This->entry);
 321
 322     return This->vtbl->start_binding(This);
 323 }
 324
 325 static HRESULT WINAPI BindStatusCallback_GetPriority(IBindStatusCallback *iface, LONG *pnPriority)
 326 {
 327     BSCallback *This = STATUSCLB_THIS(iface);
 328     FIXME("(%p)->(%p)\n", This, pnPriority);
 329     return E_NOTIMPL;
 330 }
 331
 332 static HRESULT WINAPI BindStatusCallback_OnLowResource(IBindStatusCallback *iface, DWORD reserved)
 333 {
 334     BSCallback *This = STATUSCLB_THIS(iface);
 335     FIXME("(%p)->(%d)\n", This, reserved);
 336     return E_NOTIMPL;
 337 }
 338
 339 static HRESULT WINAPI BindStatusCallback_OnProgress(IBindStatusCallback *iface, ULONG ulProgress,
 340         ULONG ulProgressMax, ULONG ulStatusCode, LPCWSTR szStatusText)
 341 {
 342     BSCallback *This = STATUSCLB_THIS(iface);
 343
 344     TRACE("%p)->(%u %u %u %s)\n", This, ulProgress, ulProgressMax, ulStatusCode,
 345             debugstr_w(szStatusText));
 346
 347     return This->vtbl->on_progress(This, ulStatusCode, szStatusText);
 348 }
 349
 350 static HRESULT WINAPI BindStatusCallback_OnStopBinding(IBindStatusCallback *iface,
 351         HRESULT hresult, LPCWSTR szError)
 352 {
 353     BSCallback *This = STATUSCLB_THIS(iface);
 354     HRESULT hres;
 355
 356     TRACE("(%p)->(%08x %s)\n", This, hresult, debugstr_w(szError));
 357
 358     /* NOTE: IE7 calls GetBindResult here */
 359
 360     hres = This->vtbl->stop_binding(This, hresult);
 361
 362     if(This->binding) {
 363         IBinding_Release(This->binding);
 364         This->binding = NULL;
 365     }
 366
 367     list_remove(&This->entry);
 368     This->doc = NULL;
 369
 370     return hres;
 371 }
 372
 373 static HRESULT WINAPI BindStatusCallback_GetBindInfo(IBindStatusCallback *iface,
 374         DWORD *grfBINDF, BINDINFO *pbindinfo)
 375 {
 376     BSCallback *This = STATUSCLB_THIS(iface);
 377     DWORD size;
 378
 379     TRACE("(%p)->(%p %p)\n", This, grfBINDF, pbindinfo);
 380
 381     if(!This->bindinfo_ready) {
 382         HRESULT hres;
 383
 384         hres = This->vtbl->init_bindinfo(This);
 385         if(FAILED(hres))
 386             return hres;
 387
 388         This->bindinfo_ready = TRUE;
 389     }
 390
 391     *grfBINDF = This->bindf;
 392
 393     size = pbindinfo->cbSize;
 394     memset(pbindinfo, 0, size);
 395     pbindinfo->cbSize = size;
 396
 397     pbindinfo->cbstgmedData = This->post_data_len;
 398     pbindinfo->dwCodePage = CP_UTF8;
 399     pbindinfo->dwOptions = 0x80000;
 400
 401     if(This->post_data) {
 402         pbindinfo->dwBindVerb = BINDVERB_POST;
 403
 404         pbindinfo->stgmedData.tymed = TYMED_HGLOBAL;
 405         pbindinfo->stgmedData.u.hGlobal = This->post_data;
 406         pbindinfo->stgmedData.pUnkForRelease = (IUnknown*)STATUSCLB(This);
 407         IBindStatusCallback_AddRef(STATUSCLB(This));
 408     }
 409
 410     return S_OK;
 411 }
 412
 413 static HRESULT WINAPI BindStatusCallback_OnDataAvailable(IBindStatusCallback *iface,
 414         DWORD grfBSCF, DWORD dwSize, FORMATETC *pformatetc, STGMEDIUM *pstgmed)
 415 {
 416     BSCallback *This = STATUSCLB_THIS(iface);
 417
 418     TRACE("(%p)->(%08x %d %p %p)\n", This, grfBSCF, dwSize, pformatetc, pstgmed);
 419
 420     return This->vtbl->read_data(This, pstgmed->u.pstm);
 421 }
 422
 423 static HRESULT WINAPI BindStatusCallback_OnObjectAvailable(IBindStatusCallback *iface,
 424         REFIID riid, IUnknown *punk)
 425 {
 426     BSCallback *This = STATUSCLB_THIS(iface);
 427     FIXME("(%p)->(%s %p)\n", This, debugstr_guid(riid), punk);
 428     return E_NOTIMPL;
 429 }
 430
 431 #undef STATUSCLB_THIS
 432
 433 static const IBindStatusCallbackVtbl BindStatusCallbackVtbl = {
 434     BindStatusCallback_QueryInterface,
 435     BindStatusCallback_AddRef,
 436     BindStatusCallback_Release,
 437     BindStatusCallback_OnStartBinding,
 438     BindStatusCallback_GetPriority,
 439     BindStatusCallback_OnLowResource,
 440     BindStatusCallback_OnProgress,
 441     BindStatusCallback_OnStopBinding,
 442     BindStatusCallback_GetBindInfo,
 443     BindStatusCallback_OnDataAvailable,
 444     BindStatusCallback_OnObjectAvailable
 445 };
 446
 447 #define HTTPNEG_THIS(iface) DEFINE_THIS(BSCallback, HttpNegotiate2, iface)
 448
 449 static HRESULT WINAPI HttpNegotiate_QueryInterface(IHttpNegotiate2 *iface,
 450                                                    REFIID riid, void **ppv)
 451 {
 452     BSCallback *This = HTTPNEG_THIS(iface);
 453     return IBindStatusCallback_QueryInterface(STATUSCLB(This), riid, ppv);
 454 }
 455
 456 static ULONG WINAPI HttpNegotiate_AddRef(IHttpNegotiate2 *iface)
 457 {
 458     BSCallback *This = HTTPNEG_THIS(iface);
 459     return IBindStatusCallback_AddRef(STATUSCLB(This));
 460 }
 461
 462 static ULONG WINAPI HttpNegotiate_Release(IHttpNegotiate2 *iface)
 463 {
 464     BSCallback *This = HTTPNEG_THIS(iface);
 465     return IBindStatusCallback_Release(STATUSCLB(This));
 466 }
 467
 468 static HRESULT WINAPI HttpNegotiate_BeginningTransaction(IHttpNegotiate2 *iface,
 469         LPCWSTR szURL, LPCWSTR szHeaders, DWORD dwReserved, LPWSTR *pszAdditionalHeaders)
 470 {
 471     BSCallback *This = HTTPNEG_THIS(iface);
 472     HRESULT hres;
 473
 474     TRACE("(%p)->(%s %s %d %p)\n", This, debugstr_w(szURL), debugstr_w(szHeaders),
 475           dwReserved, pszAdditionalHeaders);
 476
 477     *pszAdditionalHeaders = NULL;
 478
 479     hres = This->vtbl->beginning_transaction(This, pszAdditionalHeaders);
 480     if(hres != S_FALSE)
 481         return hres;
 482
 483     if(This->headers) {
 484         DWORD size;
 485
 486         size = (strlenW(This->headers)+1)*sizeof(WCHAR);
 487         *pszAdditionalHeaders = CoTaskMemAlloc(size);
 488         if(!*pszAdditionalHeaders)
 489             return E_OUTOFMEMORY;
 490         memcpy(*pszAdditionalHeaders, This->headers, size);
 491     }
 492
 493     return S_OK;
 494 }
 495
 496 static HRESULT WINAPI HttpNegotiate_OnResponse(IHttpNegotiate2 *iface, DWORD dwResponseCode,
 497         LPCWSTR szResponseHeaders, LPCWSTR szRequestHeaders, LPWSTR *pszAdditionalRequestHeaders)
 498 {
 499     BSCallback *This = HTTPNEG_THIS(iface);
 500
 501     TRACE("(%p)->(%d %s %s %p)\n", This, dwResponseCode, debugstr_w(szResponseHeaders),
 502           debugstr_w(szRequestHeaders), pszAdditionalRequestHeaders);
 503
 504     return This->vtbl->on_response(This, dwResponseCode, szResponseHeaders);
 505 }
 506
 507 static HRESULT WINAPI HttpNegotiate_GetRootSecurityId(IHttpNegotiate2 *iface,
 508         BYTE *pbSecurityId, DWORD *pcbSecurityId, DWORD_PTR dwReserved)
 509 {
 510     BSCallback *This = HTTPNEG_THIS(iface);
 511     FIXME("(%p)->(%p %p %ld)\n", This, pbSecurityId, pcbSecurityId, dwReserved);
 512     return E_NOTIMPL;
 513 }
 514
 515 #undef HTTPNEG
 516
 517 static const IHttpNegotiate2Vtbl HttpNegotiate2Vtbl = {
 518     HttpNegotiate_QueryInterface,
 519     HttpNegotiate_AddRef,
 520     HttpNegotiate_Release,
 521     HttpNegotiate_BeginningTransaction,
 522     HttpNegotiate_OnResponse,
 523     HttpNegotiate_GetRootSecurityId
 524 };
 525
 526 #define BINDINFO_THIS(iface) DEFINE_THIS(BSCallback, InternetBindInfo, iface)
 527
 528 static HRESULT WINAPI InternetBindInfo_QueryInterface(IInternetBindInfo *iface,
 529                                                       REFIID riid, void **ppv)
 530 {
 531     BSCallback *This = BINDINFO_THIS(iface);
 532     return IBindStatusCallback_QueryInterface(STATUSCLB(This), riid, ppv);
 533 }
 534
 535 static ULONG WINAPI InternetBindInfo_AddRef(IInternetBindInfo *iface)
 536 {
 537     BSCallback *This = BINDINFO_THIS(iface);
 538     return IBindStatusCallback_AddRef(STATUSCLB(This));
 539 }
 540
 541 static ULONG WINAPI InternetBindInfo_Release(IInternetBindInfo *iface)
 542 {
 543     BSCallback *This = BINDINFO_THIS(iface);
 544     return IBindStatusCallback_Release(STATUSCLB(This));
 545 }
 546
 547 static HRESULT WINAPI InternetBindInfo_GetBindInfo(IInternetBindInfo *iface,
 548                                                    DWORD *grfBINDF, BINDINFO *pbindinfo)
 549 {
 550     BSCallback *This = BINDINFO_THIS(iface);
 551     FIXME("(%p)->(%p %p)\n", This, grfBINDF, pbindinfo);
 552     return E_NOTIMPL;
 553 }
 554
 555 static HRESULT WINAPI InternetBindInfo_GetBindString(IInternetBindInfo *iface,
 556         ULONG ulStringType, LPOLESTR *ppwzStr, ULONG cEl, ULONG *pcElFetched)
 557 {
 558     BSCallback *This = BINDINFO_THIS(iface);
 559     FIXME("(%p)->(%u %p %u %p)\n", This, ulStringType, ppwzStr, cEl, pcElFetched);
 560     return E_NOTIMPL;
 561 }
 562
 563 #undef BINDINFO_THIS
 564
 565 static const IInternetBindInfoVtbl InternetBindInfoVtbl = {
 566     InternetBindInfo_QueryInterface,
 567     InternetBindInfo_AddRef,
 568     InternetBindInfo_Release,
 569     InternetBindInfo_GetBindInfo,
 570     InternetBindInfo_GetBindString
 571 };
 572
 573 #define SERVPROV_THIS(iface) DEFINE_THIS(BSCallback, ServiceProvider, iface)
 574
 575 static HRESULT WINAPI BSCServiceProvider_QueryInterface(IServiceProvider *iface,
 576                                                         REFIID riid, void **ppv)
 577 {
 578     BSCallback *This = SERVPROV_THIS(iface);
 579     return IBindStatusCallback_QueryInterface(STATUSCLB(This), riid, ppv);
 580 }
 581
 582 static ULONG WINAPI BSCServiceProvider_AddRef(IServiceProvider *iface)
 583 {
 584     BSCallback *This = SERVPROV_THIS(iface);
 585     return IBindStatusCallback_AddRef(STATUSCLB(This));
 586 }
 587
 588 static ULONG WINAPI BSCServiceProvider_Release(IServiceProvider *iface)
 589 {
 590     BSCallback *This = SERVPROV_THIS(iface);
 591     return IBindStatusCallback_Release(STATUSCLB(This));
 592 }
 593
 594 static HRESULT WINAPI BSCServiceProvider_QueryService(IServiceProvider *iface,
 595         REFGUID guidService, REFIID riid, void **ppv)
 596 {
 597     BSCallback *This = SERVPROV_THIS(iface);
 598     TRACE("(%p)->(%s %s %p)\n", This, debugstr_guid(guidService), debugstr_guid(riid), ppv);
 599     return E_NOINTERFACE;
 600 }
 601
 602 #undef SERVPROV_THIS
 603
 604 static const IServiceProviderVtbl ServiceProviderVtbl = {
 605     BSCServiceProvider_QueryInterface,
 606     BSCServiceProvider_AddRef,
 607     BSCServiceProvider_Release,
 608     BSCServiceProvider_QueryService
 609 };
 610
 611 static void init_bscallback(BSCallback *This, const BSCallbackVtbl *vtbl, IMoniker *mon, DWORD bindf)
 612 {
 613     This->lpBindStatusCallbackVtbl = &BindStatusCallbackVtbl;
 614     This->lpServiceProviderVtbl    = &ServiceProviderVtbl;
 615     This->lpHttpNegotiate2Vtbl     = &HttpNegotiate2Vtbl;
 616     This->lpInternetBindInfoVtbl   = &InternetBindInfoVtbl;
 617     This->vtbl = vtbl;
 618     This->ref = 1;
 619     This->bindf = bindf;
 620
 621     list_init(&This->entry);
 622
 623     if(mon)
 624         IMoniker_AddRef(mon);
 625     This->mon = mon;
 626 }
 627
 628 /* Calls undocumented 84 cmd of CGID_ShellDocView */
 629 static void call_docview_84(HTMLDocumentObj *doc)
 630 {
 631     IOleCommandTarget *olecmd;
 632     VARIANT var;
 633     HRESULT hres;
 634
 635     if(!doc->client)
 636         return;
 637
 638     hres = IOleClientSite_QueryInterface(doc->client, &IID_IOleCommandTarget, (void**)&olecmd);
 639     if(FAILED(hres))
 640         return;
 641
 642     VariantInit(&var);
 643     hres = IOleCommandTarget_Exec(olecmd, &CGID_ShellDocView, 84, 0, NULL, &var);
 644     IOleCommandTarget_Release(olecmd);
 645     if(SUCCEEDED(hres) && V_VT(&var) != VT_NULL)
 646         FIXME("handle result\n");
 647 }
 648
 649 static HRESULT parse_headers(const WCHAR *headers, struct list *headers_list)
 650 {
 651     const WCHAR *header, *header_end, *colon, *value;
 652     HRESULT hres;
 653
 654     header = headers;
 655     while(*header) {
 656         if(header[0] == '\r' && header[1] == '\n' && !header[2])
 657             break;
 658         for(colon = header; *colon && *colon != ':' && *colon != '\r'; colon++);
 659         if(*colon != ':')
 660             return E_FAIL;
 661
 662         value = colon+1;
 663         while(*value == ' ')
 664             value++;
 665         if(!*value)
 666             return E_FAIL;
 667
 668         for(header_end = value+1; *header_end && *header_end != '\r'; header_end++);
 669
 670         hres = set_http_header(headers_list, header, colon-header, value, header_end-value);
 671         if(FAILED(hres))
 672             return hres;
 673
 674         header = header_end;
 675         if(header[0] == '\r' && header[1] == '\n')
 676             header += 2;
 677     }
 678
 679     return S_OK;
 680 }
 681
 682 static HRESULT read_post_data_stream(nsIInputStream *stream, HGLOBAL *post_data,
 683         ULONG *post_data_len)
 684 {
 685     PRUint32 data_len = 0, available = 0;
 686     char *data;
 687     nsresult nsres;
 688
 689     nsres =  nsIInputStream_Available(stream, &available);
 690     if(NS_FAILED(nsres))
 691         return E_FAIL;
 692
 693     data = GlobalAlloc(0, available+1);
 694     if(!data)
 695         return E_OUTOFMEMORY;
 696
 697     nsres = nsIInputStream_Read(stream, data, available, &data_len);
 698     if(NS_FAILED(nsres)) {
 699         GlobalFree(data);
 700         return E_FAIL;
 701     }
 702
 703     data[data_len] = 0;
 704     *post_data = data;
 705     *post_data_len = data_len;
 706     return S_OK;
 707 }
 708
 709 static void parse_post_data(nsIInputStream *post_data_stream, LPWSTR *headers_ret,
 710                             HGLOBAL *post_data_ret, ULONG *post_data_len_ret)
 711 {
 712     ULONG post_data_len;
 713     HGLOBAL post_data = NULL;
 714     LPWSTR headers = NULL;
 715     DWORD headers_len = 0, len;
 716     const char *ptr, *ptr2, *post_data_end;
 717     HRESULT hres;
 718
 719     hres = read_post_data_stream(post_data_stream, &post_data, &post_data_len);
 720     if(FAILED(hres)) {
 721         FIXME("read_post_data_stream failed: %08x\n", hres);
 722         return;
 723     }
 724
 725     ptr = ptr2 = post_data;
 726     post_data_end = (const char*)post_data+post_data_len;
 727
 728     while(ptr < post_data_end && (*ptr != '\r' || ptr[1] != '\n')) {
 729         while(ptr < post_data_end && (*ptr != '\r' || ptr[1] != '\n'))
 730             ptr++;
 731
 732         if(!*ptr) {
 733             FIXME("*ptr = 0\n");
 734             return;
 735         }
 736
 737         ptr += 2;
 738
 739         if(ptr-ptr2 >= sizeof(CONTENT_LENGTH)
 740            && CompareStringA(LOCALE_SYSTEM_DEFAULT, NORM_IGNORECASE,
 741                              CONTENT_LENGTH, sizeof(CONTENT_LENGTH)-1,
 742                              ptr2, sizeof(CONTENT_LENGTH)-1) == CSTR_EQUAL) {
 743             ptr2 = ptr;
 744             continue;
 745         }
 746
 747         len = MultiByteToWideChar(CP_ACP, 0, ptr2, ptr-ptr2, NULL, 0);
 748
 749         if(headers)
 750             headers = heap_realloc(headers,(headers_len+len+1)*sizeof(WCHAR));
 751         else
 752             headers = heap_alloc((len+1)*sizeof(WCHAR));
 753
 754         len = MultiByteToWideChar(CP_ACP, 0, ptr2, ptr-ptr2, headers+headers_len, len);
 755         headers_len += len;
 756
 757         ptr2 = ptr;
 758     }
 759
 760     headers[headers_len] = 0;
 761     *headers_ret = headers;
 762
 763     if(ptr >= post_data_end-2) {
 764         GlobalFree(post_data);
 765         return;
 766     }
 767
 768     ptr += 2;
 769
 770     if(headers_len) {
 771         post_data_len -= ptr-(const char*)post_data;
 772         memmove(post_data, ptr, post_data_len);
 773         post_data = GlobalReAlloc(post_data, post_data_len+1, 0);
 774     }
 775
 776     *post_data_ret = post_data;
 777     *post_data_len_ret = post_data_len;
 778 }
 779
 780 HRESULT start_binding(HTMLWindow *window, HTMLDocumentNode *doc, BSCallback *bscallback, IBindCtx *bctx)
 781 {
 782     IStream *str = NULL;
 783     HRESULT hres;
 784
 785     bscallback->doc = doc;
 786
 787     /* NOTE: IE7 calls IsSystemMoniker here*/
 788
 789     if(window) {
 790         if(bscallback->mon != window->mon)
 791             set_current_mon(window, bscallback->mon);
 792         call_docview_84(window->doc_obj);
 793     }
 794
 795     if(bctx) {
 796         RegisterBindStatusCallback(bctx, STATUSCLB(bscallback), NULL, 0);
 797         IBindCtx_AddRef(bctx);
 798     }else {
 799         hres = CreateAsyncBindCtx(0, STATUSCLB(bscallback), NULL, &bctx);
 800         if(FAILED(hres)) {
 801             WARN("CreateAsyncBindCtx failed: %08x\n", hres);
 802             bscallback->vtbl->stop_binding(bscallback, hres);
 803             return hres;
 804         }
 805     }
 806
 807     hres = IMoniker_BindToStorage(bscallback->mon, bctx, NULL, &IID_IStream, (void**)&str);
 808     IBindCtx_Release(bctx);
 809     if(FAILED(hres)) {
 810         WARN("BindToStorage failed: %08x\n", hres);
 811         bscallback->vtbl->stop_binding(bscallback, hres);
 812         return hres;
 813     }
 814
 815     if(str)
 816         IStream_Release(str);
 817
 818     IMoniker_Release(bscallback->mon);
 819     bscallback->mon = NULL;
 820
 821     return S_OK;
 822 }
 823
 824 typedef struct {
 825     BSCallback bsc;
 826
 827     DWORD size;
 828     BYTE *buf;
 829     HRESULT hres;
 830 } BufferBSC;
 831
 832 #define BUFFERBSC_THIS(bsc) ((BufferBSC*) bsc)
 833
 834 static void BufferBSC_destroy(BSCallback *bsc)
 835 {
 836     BufferBSC *This = BUFFERBSC_THIS(bsc);
 837
 838     heap_free(This->buf);
 839     heap_free(This);
 840 }
 841
 842 static HRESULT BufferBSC_init_bindinfo(BSCallback *bsc)
 843 {
 844     return S_OK;
 845 }
 846
 847 static HRESULT BufferBSC_start_binding(BSCallback *bsc)
 848 {
 849     return S_OK;
 850 }
 851
 852 static HRESULT BufferBSC_stop_binding(BSCallback *bsc, HRESULT result)
 853 {
 854     BufferBSC *This = BUFFERBSC_THIS(bsc);
 855
 856     This->hres = result;
 857
 858     if(FAILED(result)) {
 859         heap_free(This->buf);
 860         This->buf = NULL;
 861         This->size = 0;
 862     }
 863
 864     return S_OK;
 865 }
 866
 867 static HRESULT BufferBSC_read_data(BSCallback *bsc, IStream *stream)
 868 {
 869     BufferBSC *This = BUFFERBSC_THIS(bsc);
 870     DWORD readed;
 871     HRESULT hres;
 872
 873     if(!This->buf) {
 874         This->size = 128;
 875         This->buf = heap_alloc(This->size);
 876     }
 877
 878     do {
 879         if(This->bsc.readed == This->size) {
 880             This->size <<= 1;
 881             This->buf = heap_realloc(This->buf, This->size);
 882         }
 883
 884         readed = 0;
 885         hres = IStream_Read(stream, This->buf+This->bsc.readed, This->size-This->bsc.readed, &readed);
 886         This->bsc.readed += readed;
 887     }while(hres == S_OK);
 888
 889     return S_OK;
 890 }
 891
 892 static HRESULT BufferBSC_on_progress(BSCallback *bsc, ULONG status_code, LPCWSTR status_text)
 893 {
 894     return S_OK;
 895 }
 896
 897 static HRESULT BufferBSC_on_response(BSCallback *bsc, DWORD response_code,
 898         LPCWSTR response_headers)
 899 {
 900     return S_OK;
 901 }
 902
 903 static HRESULT BufferBSC_beginning_transaction(BSCallback *bsc, WCHAR **additional_headers)
 904 {
 905     return S_FALSE;
 906 }
 907
 908 #undef BUFFERBSC_THIS
 909
 910 static const BSCallbackVtbl BufferBSCVtbl = {
 911     BufferBSC_destroy,
 912     BufferBSC_init_bindinfo,
 913     BufferBSC_start_binding,
 914     BufferBSC_stop_binding,
 915     BufferBSC_read_data,
 916     BufferBSC_on_progress,
 917     BufferBSC_on_response,
 918     BufferBSC_beginning_transaction
 919 };
 920
 921
 922 static BufferBSC *create_bufferbsc(IMoniker *mon)
 923 {
 924     BufferBSC *ret = heap_alloc_zero(sizeof(*ret));
 925
 926     init_bscallback(&ret->bsc, &BufferBSCVtbl, mon, 0);
 927     ret->hres = E_FAIL;
 928
 929     return ret;
 930 }
 931
 932 HRESULT bind_mon_to_buffer(HTMLDocumentNode *doc, IMoniker *mon, void **buf, DWORD *size)
 933 {
 934     BufferBSC *bsc = create_bufferbsc(mon);
 935     HRESULT hres;
 936
 937     *buf = NULL;
 938
 939     hres = start_binding(NULL, doc, &bsc->bsc, NULL);
 940     if(SUCCEEDED(hres)) {
 941         hres = bsc->hres;
 942         if(SUCCEEDED(hres)) {
 943             *buf = bsc->buf;
 944             bsc->buf = NULL;
 945             *size = bsc->bsc.readed;
 946             bsc->size = 0;
 947         }
 948     }
 949
 950     IBindStatusCallback_Release(STATUSCLB(&bsc->bsc));
 951
 952     return hres;
 953 }
 954
 955 struct nsChannelBSC {
 956     BSCallback bsc;
 957
 958     HTMLWindow *window;
 959
 960     nsChannel *nschannel;
 961     nsIStreamListener *nslistener;
 962     nsISupports *nscontext;
 963
 964     nsProtocolStream *nsstream;
 965 };
 966
 967 static HRESULT on_start_nsrequest(nsChannelBSC *This)
 968 {
 969     nsresult nsres;
 970
 971     /* FIXME: it's needed for http connections from BindToObject. */
 972     if(!This->nschannel->response_status)
 973         This->nschannel->response_status = 200;
 974
 975     nsres = nsIStreamListener_OnStartRequest(This->nslistener,
 976             (nsIRequest*)NSCHANNEL(This->nschannel), This->nscontext);
 977     if(NS_FAILED(nsres)) {
 978         FIXME("OnStartRequest failed: %08x\n", nsres);
 979         return E_FAIL;
 980     }
 981
 982     if(This->window) {
 983         update_window_doc(This->window);
 984         if(This->window->doc != This->bsc.doc)
 985             This->bsc.doc = This->window->doc;
 986         if(This->window->readystate != READYSTATE_LOADING)
 987             set_ready_state(This->window, READYSTATE_LOADING);
 988     }
 989
 990     return S_OK;
 991 }
 992
 993 static void on_stop_nsrequest(nsChannelBSC *This, HRESULT result)
 994 {
 995     nsresult nsres, request_result;
 996
 997     switch(result) {
 998     case S_OK:
 999         request_result = NS_OK;
1000         break;
1001     case E_ABORT:
1002         request_result = NS_BINDING_ABORTED;
1003         break;
1004     default:
1005         request_result = NS_ERROR_FAILURE;
1006     }
1007
1008     if(!This->bsc.readed && SUCCEEDED(result)) {
1009         TRACE("No data read! Calling OnStartRequest\n");
1010         on_start_nsrequest(This);
1011     }
1012
1013     if(This->nslistener) {
1014         nsres = nsIStreamListener_OnStopRequest(This->nslistener,
1015                  (nsIRequest*)NSCHANNEL(This->nschannel), This->nscontext, request_result);
1016         if(NS_FAILED(nsres))
1017             WARN("OnStopRequet failed: %08x\n", nsres);
1018     }
1019
1020     if(This->nschannel->load_group) {
1021         nsres = nsILoadGroup_RemoveRequest(This->nschannel->load_group,
1022                 (nsIRequest*)NSCHANNEL(This->nschannel), NULL, request_result);
1023         if(NS_FAILED(nsres))
1024             ERR("RemoveRequest failed: %08x\n", nsres);
1025     }
1026 }
1027
1028 static HRESULT read_stream_data(nsChannelBSC *This, IStream *stream)
1029 {
1030     DWORD read;
1031     nsresult nsres;
1032     HRESULT hres;
1033
1034     if(!This->nslistener) {
1035         BYTE buf[1024];
1036
1037         do {
1038             read = 0;
1039             hres = IStream_Read(stream, buf, sizeof(buf), &read);
1040         }while(hres == S_OK && read);
1041
1042         return S_OK;
1043     }
1044
1045     if(!This->nsstream)
1046         This->nsstream = create_nsprotocol_stream();
1047
1048     do {
1049         read = 0;
1050         hres = IStream_Read(stream, This->nsstream->buf+This->nsstream->buf_size,
1051                 sizeof(This->nsstream->buf)-This->nsstream->buf_size, &read);
1052         if(!read)
1053             break;
1054
1055         This->nsstream->buf_size += read;
1056
1057         if(!This->bsc.readed) {
1058             if(This->nsstream->buf_size >= 2
1059                && (BYTE)This->nsstream->buf[0] == 0xff
1060                && (BYTE)This->nsstream->buf[1] == 0xfe)
1061                 This->nschannel->charset = heap_strdupA(UTF16_STR);
1062
1063             if(!This->nschannel->content_type) {
1064                 WCHAR *mime;
1065
1066                 hres = FindMimeFromData(NULL, NULL, This->nsstream->buf, This->nsstream->buf_size, NULL, 0, &mime, 0);
1067                 if(FAILED(hres))
1068                     return hres;
1069
1070                 TRACE("Found MIME %s\n", debugstr_w(mime));
1071
1072                 This->nschannel->content_type = heap_strdupWtoA(mime);
1073                 CoTaskMemFree(mime);
1074                 if(!This->nschannel->content_type)
1075                     return E_OUTOFMEMORY;
1076             }
1077
1078             on_start_nsrequest(This);
1079         }
1080
1081         This->bsc.readed += This->nsstream->buf_size;
1082
1083         nsres = nsIStreamListener_OnDataAvailable(This->nslistener,
1084                 (nsIRequest*)NSCHANNEL(This->nschannel), This->nscontext,
1085                 NSINSTREAM(This->nsstream), This->bsc.readed-This->nsstream->buf_size,
1086                 This->nsstream->buf_size);
1087         if(NS_FAILED(nsres))
1088             ERR("OnDataAvailable failed: %08x\n", nsres);
1089
1090         if(This->nsstream->buf_size == sizeof(This->nsstream->buf)) {
1091             ERR("buffer is full\n");
1092             break;
1093         }
1094     }while(hres == S_OK);
1095
1096     return S_OK;
1097 }
1098
1099 #define NSCHANNELBSC_THIS(bsc) ((nsChannelBSC*) bsc)
1100
1101 static void nsChannelBSC_destroy(BSCallback *bsc)
1102 {
1103     nsChannelBSC *This = NSCHANNELBSC_THIS(bsc);
1104
1105     if(This->nschannel)
1106         nsIChannel_Release(NSCHANNEL(This->nschannel));
1107     if(This->nslistener)
1108         nsIStreamListener_Release(This->nslistener);
1109     if(This->nscontext)
1110         nsISupports_Release(This->nscontext);
1111     if(This->nsstream)
1112         nsIInputStream_Release(NSINSTREAM(This->nsstream));
1113     heap_free(This);
1114 }
1115
1116 static HRESULT nsChannelBSC_start_binding(BSCallback *bsc)
1117 {
1118     nsChannelBSC *This = NSCHANNELBSC_THIS(bsc);
1119
1120     if(This->window)
1121         This->window->doc->skip_mutation_notif = FALSE;
1122
1123     return S_OK;
1124 }
1125
1126 static HRESULT nsChannelBSC_init_bindinfo(BSCallback *bsc)
1127 {
1128     nsChannelBSC *This = NSCHANNELBSC_THIS(bsc);
1129     HRESULT hres;
1130
1131     if(This->nschannel && This->nschannel->post_data_stream) {
1132         if(This->nschannel->parse_stream) {
1133             WCHAR *headers;
1134
1135             parse_post_data(This->nschannel->post_data_stream, &headers,
1136                     &This->bsc.post_data, &This->bsc.post_data_len);
1137
1138             hres = parse_headers(headers, &This->nschannel->request_headers);
1139             heap_free(headers);
1140             if(FAILED(hres))
1141                 return hres;
1142         }else {
1143             hres = read_post_data_stream(This->nschannel->post_data_stream,
1144                     &This->bsc.post_data, &This->bsc.post_data_len);
1145             if(FAILED(hres))
1146                 return hres;
1147         }
1148
1149         TRACE("post_data = %s\n", debugstr_an(This->bsc.post_data, This->bsc.post_data_len));
1150     }
1151
1152     return S_OK;
1153 }
1154
1155 typedef struct {
1156     task_t header;
1157     nsChannelBSC *bsc;
1158 } stop_request_task_t;
1159
1160 static void stop_request_proc(task_t *_task)
1161 {
1162     stop_request_task_t *task = (stop_request_task_t*)_task;
1163
1164     TRACE("(%p)\n", task->bsc);
1165
1166     on_stop_nsrequest(task->bsc, S_OK);
1167     IBindStatusCallback_Release(STATUSCLB(&task->bsc->bsc));
1168 }
1169
1170 static HRESULT async_stop_request(nsChannelBSC *This)
1171 {
1172     stop_request_task_t *task;
1173
1174     task = heap_alloc(sizeof(*task));
1175     if(!task)
1176         return E_OUTOFMEMORY;
1177
1178     IBindStatusCallback_AddRef(STATUSCLB(&This->bsc));
1179     task->bsc = This;
1180     push_task(&task->header, stop_request_proc, This->bsc.doc->basedoc.doc_obj->basedoc.task_magic);
1181     return S_OK;
1182 }
1183
1184 static HRESULT nsChannelBSC_stop_binding(BSCallback *bsc, HRESULT result)
1185 {
1186     nsChannelBSC *This = NSCHANNELBSC_THIS(bsc);
1187
1188     if(This->window && SUCCEEDED(result)) {
1189         result = async_stop_request(This);
1190         if(SUCCEEDED(result))
1191            return S_OK;
1192     }
1193
1194     on_stop_nsrequest(This, result);
1195     return S_OK;
1196 }
1197
1198 static HRESULT nsChannelBSC_read_data(BSCallback *bsc, IStream *stream)
1199 {
1200     nsChannelBSC *This = NSCHANNELBSC_THIS(bsc);
1201
1202     return read_stream_data(This, stream);
1203 }
1204
1205 static HRESULT nsChannelBSC_on_progress(BSCallback *bsc, ULONG status_code, LPCWSTR status_text)
1206 {
1207     nsChannelBSC *This = NSCHANNELBSC_THIS(bsc);
1208
1209     switch(status_code) {
1210     case BINDSTATUS_MIMETYPEAVAILABLE:
1211         if(!This->nschannel)
1212             return S_OK;
1213
1214         heap_free(This->nschannel->content_type);
1215         This->nschannel->content_type = heap_strdupWtoA(status_text);
1216         break;
1217     case BINDSTATUS_REDIRECTING:
1218         TRACE("redirect to %s\n", debugstr_w(status_text));
1219
1220         /* FIXME: We should find a better way to handle this */
1221         set_wine_url(This->nschannel->uri, status_text);
1222     }
1223
1224     return S_OK;
1225 }
1226
1227 static HRESULT nsChannelBSC_on_response(BSCallback *bsc, DWORD response_code,
1228         LPCWSTR response_headers)
1229 {
1230     nsChannelBSC *This = NSCHANNELBSC_THIS(bsc);
1231     HRESULT hres;
1232
1233     This->nschannel->response_status = response_code;
1234
1235     if(response_headers) {
1236         const WCHAR *headers;
1237
1238         headers = strchrW(response_headers, '\r');
1239         if(headers && headers[1] == '\n') {
1240             headers += 2;
1241             hres = parse_headers(headers, &This->nschannel->response_headers);
1242             if(FAILED(hres)) {
1243                 WARN("parsing headers failed: %08x\n", hres);
1244                 return hres;
1245             }
1246         }
1247     }
1248
1249     return S_OK;
1250 }
1251
1252 static HRESULT nsChannelBSC_beginning_transaction(BSCallback *bsc, WCHAR **additional_headers)
1253 {
1254     nsChannelBSC *This = NSCHANNELBSC_THIS(bsc);
1255     http_header_t *iter;
1256     DWORD len = 0;
1257     WCHAR *ptr;
1258
1259     static const WCHAR content_lengthW[] =
1260         {'C','o','n','t','e','n','t','-','L','e','n','g','t','h',0};
1261
1262     if(!This->nschannel)
1263         return S_FALSE;
1264
1265     LIST_FOR_EACH_ENTRY(iter, &This->nschannel->request_headers, http_header_t, entry) {
1266         if(strcmpW(iter->header, content_lengthW))
1267             len += strlenW(iter->header) + 2 /* ": " */ + strlenW(iter->data) + 2 /* "\r\n" */;
1268     }
1269
1270     if(!len)
1271         return S_OK;
1272
1273     *additional_headers = ptr = CoTaskMemAlloc((len+1)*sizeof(WCHAR));
1274     if(!ptr)
1275         return E_OUTOFMEMORY;
1276
1277     LIST_FOR_EACH_ENTRY(iter, &This->nschannel->request_headers, http_header_t, entry) {
1278         if(!strcmpW(iter->header, content_lengthW))
1279             continue;
1280
1281         len = strlenW(iter->header);
1282         memcpy(ptr, iter->header, len*sizeof(WCHAR));
1283         ptr += len;
1284
1285         *ptr++ = ':';
1286         *ptr++ = ' ';
1287
1288         len = strlenW(iter->data);
1289         memcpy(ptr, iter->data, len*sizeof(WCHAR));
1290         ptr += len;
1291
1292         *ptr++ = '\r';
1293         *ptr++ = '\n';
1294     }
1295
1296     *ptr = 0;
1297
1298     return S_OK;
1299 }
1300
1301 #undef NSCHANNELBSC_THIS
1302
1303 static const BSCallbackVtbl nsChannelBSCVtbl = {
1304     nsChannelBSC_destroy,
1305     nsChannelBSC_init_bindinfo,
1306     nsChannelBSC_start_binding,
1307     nsChannelBSC_stop_binding,
1308     nsChannelBSC_read_data,
1309     nsChannelBSC_on_progress,
1310     nsChannelBSC_on_response,
1311     nsChannelBSC_beginning_transaction
1312 };
1313
1314 HRESULT create_channelbsc(IMoniker *mon, WCHAR *headers, BYTE *post_data, DWORD post_data_size, nsChannelBSC **retval)
1315 {
1316     nsChannelBSC *ret;
1317
1318     ret = heap_alloc_zero(sizeof(*ret));
1319     if(!ret)
1320         return E_OUTOFMEMORY;
1321
1322     init_bscallback(&ret->bsc, &nsChannelBSCVtbl, mon, BINDF_ASYNCHRONOUS | BINDF_ASYNCSTORAGE | BINDF_PULLDATA);
1323
1324     if(headers) {
1325         ret->bsc.headers = heap_strdupW(headers);
1326         if(!ret->bsc.headers) {
1327             IBindStatusCallback_Release(STATUSCLB(&ret->bsc));
1328             return E_OUTOFMEMORY;
1329         }
1330     }
1331
1332     if(post_data) {
1333         ret->bsc.post_data = GlobalAlloc(0, post_data_size);
1334         if(!ret->bsc.post_data) {
1335             heap_free(ret->bsc.headers);
1336             IBindStatusCallback_Release(STATUSCLB(&ret->bsc));
1337             return E_OUTOFMEMORY;
1338         }
1339
1340         memcpy(ret->bsc.post_data, post_data, post_data_size);
1341         ret->bsc.post_data_len = post_data_size;
1342     }
1343
1344     *retval = ret;
1345     return S_OK;
1346 }
1347
1348 IMoniker *get_channelbsc_mon(nsChannelBSC *This)
1349 {
1350     if(This->bsc.mon)
1351         IMoniker_AddRef(This->bsc.mon);
1352     return This->bsc.mon;
1353 }
1354
1355 void set_window_bscallback(HTMLWindow *window, nsChannelBSC *callback)
1356 {
1357     if(window->bscallback) {
1358         if(window->bscallback->bsc.binding)
1359             IBinding_Abort(window->bscallback->bsc.binding);
1360         window->bscallback->bsc.doc = NULL;
1361         window->bscallback->window = NULL;
1362         IBindStatusCallback_Release(STATUSCLB(&window->bscallback->bsc));
1363     }
1364
1365     window->bscallback = callback;
1366
1367     if(callback) {
1368         callback->window = window;
1369         IBindStatusCallback_AddRef(STATUSCLB(&callback->bsc));
1370         callback->bsc.doc = window->doc;
1371     }
1372 }
1373
1374 typedef struct {
1375     task_t header;
1376     HTMLWindow *window;
1377     nsChannelBSC *bscallback;
1378 } start_doc_binding_task_t;
1379
1380 static void start_doc_binding_proc(task_t *_task)
1381 {
1382     start_doc_binding_task_t *task = (start_doc_binding_task_t*)_task;
1383
1384     start_binding(task->window, NULL, (BSCallback*)task->bscallback, NULL);
1385     IBindStatusCallback_Release(STATUSCLB(&task->bscallback->bsc));
1386 }
1387
1388 HRESULT async_start_doc_binding(HTMLWindow *window, nsChannelBSC *bscallback)
1389 {
1390     start_doc_binding_task_t *task;
1391
1392     task = heap_alloc(sizeof(start_doc_binding_task_t));
1393     if(!task)
1394         return E_OUTOFMEMORY;
1395
1396     task->window = window;
1397     task->bscallback = bscallback;
1398     IBindStatusCallback_AddRef(STATUSCLB(&bscallback->bsc));
1399
1400     push_task(&task->header, start_doc_binding_proc, window->task_magic);
1401     return S_OK;
1402 }
1403
1404 void abort_document_bindings(HTMLDocumentNode *doc)
1405 {
1406     BSCallback *iter;
1407
1408     LIST_FOR_EACH_ENTRY(iter, &doc->bindings, BSCallback, entry) {
1409         if(iter->binding)
1410             IBinding_Abort(iter->binding);
1411         iter->doc = NULL;
1412         list_remove(&iter->entry);
1413     }
1414 }
1415
1416 HRESULT channelbsc_load_stream(nsChannelBSC *bscallback, IStream *stream)
1417 {
1418     HRESULT hres = S_OK;
1419
1420     if(!bscallback->nschannel) {
1421         ERR("NULL nschannel\n");
1422         return E_FAIL;
1423     }
1424
1425     bscallback->nschannel->content_type = heap_strdupA("text/html");
1426     if(!bscallback->nschannel->content_type)
1427         return E_OUTOFMEMORY;
1428
1429     if(stream)
1430         hres = read_stream_data(bscallback, stream);
1431     if(SUCCEEDED(hres))
1432         hres = async_stop_request(bscallback);
1433     if(FAILED(hres))
1434         IBindStatusCallback_OnStopBinding(STATUSCLB(&bscallback->bsc), hres, ERROR_SUCCESS);
1435
1436     return hres;
1437 }
1438
1439 void channelbsc_set_channel(nsChannelBSC *This, nsChannel *channel, nsIStreamListener *listener, nsISupports *context)
1440 {
1441     nsIChannel_AddRef(NSCHANNEL(channel));
1442     This->nschannel = channel;
1443
1444     nsIStreamListener_AddRef(listener);
1445     This->nslistener = listener;
1446
1447     if(context) {
1448         nsISupports_AddRef(context);
1449         This->nscontext = context;
1450     }
1451
1452     if(This->bsc.headers) {
1453         HRESULT hres;
1454
1455         hres = parse_headers(This->bsc.headers, &channel->request_headers);
1456         heap_free(This->bsc.headers);
1457         This->bsc.headers = NULL;
1458         if(FAILED(hres))
1459             WARN("parse_headers failed: %08x\n", hres);
1460     }
1461 }
1462
1463 HRESULT hlink_frame_navigate(HTMLDocument *doc, LPCWSTR url,
1464         nsIInputStream *post_data_stream, DWORD hlnf, BOOL *cancel)
1465 {
1466     IHlinkFrame *hlink_frame;
1467     nsChannelBSC *callback;
1468     IServiceProvider *sp;
1469     IBindCtx *bindctx;
1470     IMoniker *mon;
1471     IHlink *hlink;
1472     HRESULT hres;
1473
1474     *cancel = FALSE;
1475
1476     hres = IOleClientSite_QueryInterface(doc->doc_obj->client, &IID_IServiceProvider,
1477             (void**)&sp);
1478     if(FAILED(hres))
1479         return S_OK;
1480
1481     hres = IServiceProvider_QueryService(sp, &IID_IHlinkFrame, &IID_IHlinkFrame,
1482             (void**)&hlink_frame);
1483     IServiceProvider_Release(sp);
1484     if(FAILED(hres))
1485         return S_OK;
1486
1487     hres = create_channelbsc(NULL, NULL, NULL, 0, &callback);
1488     if(FAILED(hres)) {
1489         IHlinkFrame_Release(hlink_frame);
1490         return hres;
1491     }
1492
1493     if(post_data_stream) {
1494         parse_post_data(post_data_stream, &callback->bsc.headers, &callback->bsc.post_data,
1495                         &callback->bsc.post_data_len);
1496         TRACE("headers = %s post_data = %s\n", debugstr_w(callback->bsc.headers),
1497               debugstr_an(callback->bsc.post_data, callback->bsc.post_data_len));
1498     }
1499
1500     hres = CreateAsyncBindCtx(0, STATUSCLB(&callback->bsc), NULL, &bindctx);
1501     if(SUCCEEDED(hres))
1502         hres = CoCreateInstance(&CLSID_StdHlink, NULL, CLSCTX_INPROC_SERVER,
1503                 &IID_IHlink, (LPVOID*)&hlink);
1504
1505     if(SUCCEEDED(hres))
1506         hres = CreateURLMoniker(NULL, url, &mon);
1507
1508     if(SUCCEEDED(hres)) {
1509         IHlink_SetMonikerReference(hlink, HLINKSETF_TARGET, mon, NULL);
1510
1511         if(hlnf & HLNF_OPENINNEWWINDOW) {
1512             static const WCHAR wszBlank[] = {'_','b','l','a','n','k',0};
1513             IHlink_SetTargetFrameName(hlink, wszBlank); /* FIXME */
1514         }
1515
1516         hres = IHlinkFrame_Navigate(hlink_frame, hlnf, bindctx, STATUSCLB(&callback->bsc), hlink);
1517         IMoniker_Release(mon);
1518         *cancel = hres == S_OK;
1519         hres = S_OK;
1520     }
1521
1522     IHlinkFrame_Release(hlink_frame);
1523     IBindCtx_Release(bindctx);
1524     IBindStatusCallback_Release(STATUSCLB(&callback->bsc));
1525     return hres;
1526 }
1527
1528 HRESULT navigate_url(HTMLWindow *window, const WCHAR *new_url, const WCHAR *base_url)
1529 {
1530     WCHAR url[INTERNET_MAX_URL_LENGTH];
1531     nsWineURI *uri;
1532     HRESULT hres;
1533
1534     if(!new_url) {
1535         *url = 0;
1536     }else if(base_url) {
1537         DWORD len = 0;
1538
1539         hres = CoInternetCombineUrl(base_url, new_url, URL_ESCAPE_SPACES_ONLY|URL_DONT_ESCAPE_EXTRA_INFO,
1540                 url, sizeof(url)/sizeof(WCHAR), &len, 0);
1541         if(FAILED(hres))
1542             return hres;
1543     }else {
1544         strcpyW(url, new_url);
1545     }
1546
1547     if(window->doc_obj && window->doc_obj->hostui) {
1548         OLECHAR *translated_url = NULL;
1549
1550         hres = IDocHostUIHandler_TranslateUrl(window->doc_obj->hostui, 0, url,
1551                 &translated_url);
1552         if(hres == S_OK) {
1553             TRACE("%08x %s -> %s\n", hres, debugstr_w(url), debugstr_w(translated_url));
1554             strcpyW(url, translated_url);
1555             CoTaskMemFree(translated_url);
1556         }
1557     }
1558
1559     if(window->doc_obj && window == window->doc_obj->basedoc.window) {
1560         BOOL cancel;
1561
1562         hres = hlink_frame_navigate(&window->doc->basedoc, url, NULL, 0, &cancel);
1563         if(FAILED(hres))
1564             return hres;
1565
1566         if(cancel) {
1567             TRACE("Navigation handled by hlink frame\n");
1568             return S_OK;
1569         }
1570     }
1571
1572     hres = create_doc_uri(window, url, &uri);
1573     if(FAILED(hres))
1574         return hres;
1575
1576     hres = load_nsuri(window, uri, NULL, LOAD_FLAGS_NONE);
1577     nsISupports_Release((nsISupports*)uri);
1578     return hres;
1579 }