git.oblomov.eu Git - wine/blob - dlls/mshtml/navigate.c

   1 /*
   2  * Copyright 2006 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
  32 #include "wine/debug.h"
  33 #include "wine/unicode.h"
  34
  35 #include "mshtml_private.h"
  36
  37 WINE_DEFAULT_DEBUG_CHANNEL(mshtml);
  38
  39 #define CONTENT_LENGTH "Content-Length"
  40
  41 #define NSINSTREAM(x) ((nsIInputStream*) &(x)->lpInputStreamVtbl)
  42
  43 #define NSINSTREAM_THIS(iface) DEFINE_THIS(nsProtocolStream, InputStream, iface)
  44
  45 static nsresult NSAPI nsInputStream_QueryInterface(nsIInputStream *iface, nsIIDRef riid,
  46                                                    nsQIResult result)
  47 {
  48     nsProtocolStream *This = NSINSTREAM_THIS(iface);
  49
  50     *result = NULL;
  51
  52     if(IsEqualGUID(&IID_nsISupports, riid)) {
  53         TRACE("(%p)->(IID_nsISupports %p)\n", This, result);
  54         *result  = NSINSTREAM(This);
  55     }else if(IsEqualGUID(&IID_nsIInputStream, riid)) {
  56         TRACE("(%p)->(IID_nsIInputStream %p)\n", This, result);
  57         *result  = NSINSTREAM(This);
  58     }
  59
  60     if(*result) {
  61         nsIInputStream_AddRef(NSINSTREAM(This));
  62         return NS_OK;
  63     }
  64
  65     WARN("unsupported interface %s\n", debugstr_guid(riid));
  66     return NS_NOINTERFACE;
  67 }
  68
  69 static nsrefcnt NSAPI nsInputStream_AddRef(nsIInputStream *iface)
  70 {
  71     nsProtocolStream *This = NSINSTREAM_THIS(iface);
  72     LONG ref = InterlockedIncrement(&This->ref);
  73
  74     TRACE("(%p) ref=%ld\n", This, ref);
  75
  76     return ref;
  77 }
  78
  79
  80 static nsrefcnt NSAPI nsInputStream_Release(nsIInputStream *iface)
  81 {
  82     nsProtocolStream *This = NSINSTREAM_THIS(iface);
  83     LONG ref = InterlockedDecrement(&This->ref);
  84
  85     TRACE("(%p) ref=%ld\n", This, ref);
  86
  87     if(!ref)
  88         HeapFree(GetProcessHeap(), 0, This);
  89
  90     return ref;
  91 }
  92
  93 static nsresult NSAPI nsInputStream_Close(nsIInputStream *iface)
  94 {
  95     nsProtocolStream *This = NSINSTREAM_THIS(iface);
  96     FIXME("(%p)\n", This);
  97     return NS_ERROR_NOT_IMPLEMENTED;
  98 }
  99
 100 static nsresult NSAPI nsInputStream_Available(nsIInputStream *iface, PRUint32 *_retval)
 101 {
 102     nsProtocolStream *This = NSINSTREAM_THIS(iface);
 103     FIXME("(%p)->(%p)\n", This, _retval);
 104     return NS_ERROR_NOT_IMPLEMENTED;
 105 }
 106
 107 static nsresult NSAPI nsInputStream_Read(nsIInputStream *iface, char *aBuf, PRUint32 aCount,
 108                                          PRUint32 *_retval)
 109 {
 110     nsProtocolStream *This = NSINSTREAM_THIS(iface);
 111     FIXME("(%p)->(%p %ld %p)\n", This, aBuf, aCount, _retval);
 112     return NS_ERROR_NOT_IMPLEMENTED;
 113 }
 114
 115 static nsresult NSAPI nsInputStream_ReadSegments(nsIInputStream *iface,
 116         nsresult (NSAPI*aWriter)(nsIInputStream*,void*,const char*,PRUint32,PRUint32,PRUint32*),
 117         void *aClousure, PRUint32 aCount, PRUint32 *_retval)
 118 {
 119     nsProtocolStream *This = NSINSTREAM_THIS(iface);
 120     PRUint32 written = 0;
 121     nsresult nsres;
 122
 123     FIXME("(%p)->(%p %p %ld %p)\n", This, aWriter, aClousure, aCount, _retval);
 124
 125     if(!This->buf_size)
 126         return S_OK;
 127
 128     if(This->buf_size > aCount)
 129         FIXME("buf_size > aCount\n");
 130
 131     nsres = aWriter(NSINSTREAM(This), aClousure, This->buf, 0, This->buf_size, &written);
 132     if(NS_FAILED(nsres))
 133         FIXME("aWritter failed: %08lx\n", nsres);
 134     if(written != This->buf_size)
 135         FIXME("written != buf_size\n");
 136
 137     This->buf_size -= written;
 138
 139     return nsres;
 140 }
 141
 142 static nsresult NSAPI nsInputStream_IsNonBlocking(nsIInputStream *iface, PRBool *_retval)
 143 {
 144     nsProtocolStream *This = NSINSTREAM_THIS(iface);
 145     FIXME("(%p)->(%p)\n", This, _retval);
 146     return NS_ERROR_NOT_IMPLEMENTED;
 147 }
 148
 149 #undef NSINSTREAM_THIS
 150
 151 static const nsIInputStreamVtbl nsInputStreamVtbl = {
 152     nsInputStream_QueryInterface,
 153     nsInputStream_AddRef,
 154     nsInputStream_Release,
 155     nsInputStream_Close,
 156     nsInputStream_Available,
 157     nsInputStream_Read,
 158     nsInputStream_ReadSegments,
 159     nsInputStream_IsNonBlocking
 160 };
 161
 162 static nsProtocolStream *create_nsprotocol_stream(IStream *stream)
 163 {
 164     nsProtocolStream *ret = HeapAlloc(GetProcessHeap(), 0, sizeof(nsProtocolStream));
 165
 166     ret->lpInputStreamVtbl = &nsInputStreamVtbl;
 167     ret->ref = 1;
 168     ret->buf_size = 0;
 169
 170     return ret;
 171 }
 172
 173 #define STATUSCLB_THIS(iface) DEFINE_THIS(BSCallback, BindStatusCallback, iface)
 174
 175 static HRESULT WINAPI BindStatusCallback_QueryInterface(IBindStatusCallback *iface,
 176         REFIID riid, void **ppv)
 177 {
 178     BSCallback *This = STATUSCLB_THIS(iface);
 179
 180     *ppv = NULL;
 181     if(IsEqualGUID(&IID_IUnknown, riid)) {
 182         TRACE("(%p)->(IID_IUnknown, %p)\n", This, ppv);
 183         *ppv = STATUSCLB(This);
 184     }else if(IsEqualGUID(&IID_IBindStatusCallback, riid)) {
 185         TRACE("(%p)->(IID_IBindStatusCallback, %p)\n", This, ppv);
 186         *ppv = STATUSCLB(This);
 187     }else if(IsEqualGUID(&IID_IServiceProvider, riid)) {
 188         TRACE("(%p)->(IID_IServiceProvider %p)\n", This, ppv);
 189         *ppv = SERVPROV(This);
 190     }else if(IsEqualGUID(&IID_IHttpNegotiate, riid)) {
 191         TRACE("(%p)->(IID_IHttpNegotiate %p)\n", This, ppv);
 192         *ppv = HTTPNEG(This);
 193     }else if(IsEqualGUID(&IID_IHttpNegotiate2, riid)) {
 194         TRACE("(%p)->(IID_IHttpNegotiate2 %p)\n", This, ppv);
 195         *ppv = HTTPNEG(This);
 196     }else if(IsEqualGUID(&IID_IInternetBindInfo, riid)) {
 197         TRACE("(%p)->(IID_IInternetBindInfo %p)\n", This, ppv);
 198         *ppv = BINDINFO(This);
 199     }
 200
 201     if(*ppv) {
 202         IBindStatusCallback_AddRef(STATUSCLB(This));
 203         return S_OK;
 204     }
 205
 206     TRACE("Unsupported riid = %s\n", debugstr_guid(riid));
 207     return E_NOINTERFACE;
 208 }
 209
 210 static ULONG WINAPI BindStatusCallback_AddRef(IBindStatusCallback *iface)
 211 {
 212     BSCallback *This = STATUSCLB_THIS(iface);
 213     LONG ref = InterlockedIncrement(&This->ref);
 214
 215     TRACE("(%p) ref = %ld\n", This, ref);
 216
 217     return ref;
 218 }
 219
 220 static ULONG WINAPI BindStatusCallback_Release(IBindStatusCallback *iface)
 221 {
 222     BSCallback *This = STATUSCLB_THIS(iface);
 223     LONG ref = InterlockedDecrement(&This->ref);
 224
 225     TRACE("(%p) ref = %ld\n", This, ref);
 226
 227     if(!ref) {
 228         if(This->post_data)
 229             GlobalFree(This->post_data);
 230         if(This->nschannel)
 231             nsIChannel_Release(NSCHANNEL(This->nschannel));
 232         if(This->nslistener)
 233             nsIStreamListener_Release(This->nslistener);
 234         if(This->nscontext)
 235             nsISupports_Release(This->nscontext);
 236         if(This->nsstream)
 237             nsIInputStream_Release(NSINSTREAM(This->nsstream));
 238         HeapFree(GetProcessHeap(), 0, This->headers);
 239         HeapFree(GetProcessHeap(), 0, This);
 240     }
 241
 242     return ref;
 243 }
 244
 245 static HRESULT WINAPI BindStatusCallback_OnStartBinding(IBindStatusCallback *iface,
 246         DWORD dwReserved, IBinding *pbind)
 247 {
 248     BSCallback *This = STATUSCLB_THIS(iface);
 249     FIXME("(%p)->(%ld %p)\n", This, dwReserved, pbind);
 250     return E_NOTIMPL;
 251 }
 252
 253 static HRESULT WINAPI BindStatusCallback_GetPriority(IBindStatusCallback *iface, LONG *pnPriority)
 254 {
 255     BSCallback *This = STATUSCLB_THIS(iface);
 256     FIXME("(%p)->(%p)\n", This, pnPriority);
 257     return E_NOTIMPL;
 258 }
 259
 260 static HRESULT WINAPI BindStatusCallback_OnLowResource(IBindStatusCallback *iface, DWORD reserved)
 261 {
 262     BSCallback *This = STATUSCLB_THIS(iface);
 263     FIXME("(%p)->(%ld)\n", This, reserved);
 264     return E_NOTIMPL;
 265 }
 266
 267 static HRESULT WINAPI BindStatusCallback_OnProgress(IBindStatusCallback *iface, ULONG ulProgress,
 268         ULONG ulProgressMax, ULONG ulStatusCode, LPCWSTR szStatusText)
 269 {
 270     BSCallback *This = STATUSCLB_THIS(iface);
 271     TRACE("%p)->(%lu %lu %lu %s)\n", This, ulProgress, ulProgressMax, ulStatusCode,
 272             debugstr_w(szStatusText));
 273     return S_OK;
 274 }
 275
 276 static HRESULT WINAPI BindStatusCallback_OnStopBinding(IBindStatusCallback *iface,
 277         HRESULT hresult, LPCWSTR szError)
 278 {
 279     BSCallback *This = STATUSCLB_THIS(iface);
 280     FIXME("(%p)->(%08lx %s)\n", This, hresult, debugstr_w(szError));
 281     return E_NOTIMPL;
 282 }
 283
 284 static HRESULT WINAPI BindStatusCallback_GetBindInfo(IBindStatusCallback *iface,
 285         DWORD *grfBINDF, BINDINFO *pbindinfo)
 286 {
 287     BSCallback *This = STATUSCLB_THIS(iface);
 288     DWORD size;
 289
 290     TRACE("(%p)->(%p %p)\n", This, grfBINDF, pbindinfo);
 291
 292     *grfBINDF = BINDF_ASYNCHRONOUS | BINDF_ASYNCSTORAGE | BINDF_PULLDATA;
 293
 294     size = pbindinfo->cbSize;
 295     memset(pbindinfo, 0, size);
 296     pbindinfo->cbSize = size;
 297
 298     pbindinfo->cbStgmedData = This->post_data_len;
 299     pbindinfo->dwCodePage = CP_UTF8;
 300     pbindinfo->dwOptions = 0x00020000;
 301
 302     if(This->post_data) {
 303         pbindinfo->dwBindVerb = BINDVERB_POST;
 304
 305         pbindinfo->stgmedData.tymed = TYMED_HGLOBAL;
 306         pbindinfo->stgmedData.u.hGlobal = This->post_data;
 307         pbindinfo->stgmedData.pUnkForRelease = (IUnknown*)STATUSCLB(This);
 308         IBindStatusCallback_AddRef(STATUSCLB(This));
 309     }
 310
 311     return S_OK;
 312 }
 313
 314 static HRESULT WINAPI BindStatusCallback_OnDataAvailable(IBindStatusCallback *iface,
 315         DWORD grfBSCF, DWORD dwSize, FORMATETC *pformatetc, STGMEDIUM *pstgmed)
 316 {
 317     BSCallback *This = STATUSCLB_THIS(iface);
 318     nsresult nsres;
 319     HRESULT hres;
 320
 321     TRACE("(%p)->(%08lx %ld %p %p)\n", This, grfBSCF, dwSize, pformatetc, pstgmed);
 322
 323     if(This->nslistener) {
 324         if(!This->nsstream) {
 325             This->nsstream = create_nsprotocol_stream(pstgmed->u.pstm);
 326
 327             nsres = nsIStreamListener_OnStartRequest(This->nslistener,
 328                     (nsIRequest*)NSCHANNEL(This->nschannel), This->nscontext);
 329             if(NS_FAILED(nsres))
 330                 FIXME("OnStartRequest failed: %08lx\n", nsres);
 331         }
 332
 333         do {
 334             hres = IStream_Read(pstgmed->u.pstm, This->nsstream->buf, sizeof(This->nsstream->buf),
 335                                 &This->nsstream->buf_size);
 336             if(This->nsstream->buf_size) {
 337                 nsres = nsIStreamListener_OnDataAvailable(This->nslistener,
 338                         (nsIRequest*)NSCHANNEL(This->nschannel), This->nscontext,
 339                         NSINSTREAM(This->nsstream), 0 /* FIXME */, dwSize);
 340                 if(NS_FAILED(nsres))
 341                     FIXME("OnDataAvailable failed: %08lx\n", nsres);
 342
 343                 if(This->nsstream->buf_size)
 344                     FIXME("buffer is not empty!\n");
 345             }
 346         }while(hres == S_OK);
 347     }
 348
 349     return S_OK;
 350 }
 351
 352 static HRESULT WINAPI BindStatusCallback_OnObjectAvailable(IBindStatusCallback *iface,
 353         REFIID riid, IUnknown *punk)
 354 {
 355     BSCallback *This = STATUSCLB_THIS(iface);
 356     FIXME("(%p)->(%s %p)\n", This, debugstr_guid(riid), punk);
 357     return E_NOTIMPL;
 358 }
 359
 360 #undef STATUSCLB_THIS
 361
 362 static const IBindStatusCallbackVtbl BindStatusCallbackVtbl = {
 363     BindStatusCallback_QueryInterface,
 364     BindStatusCallback_AddRef,
 365     BindStatusCallback_Release,
 366     BindStatusCallback_OnStartBinding,
 367     BindStatusCallback_GetPriority,
 368     BindStatusCallback_OnLowResource,
 369     BindStatusCallback_OnProgress,
 370     BindStatusCallback_OnStopBinding,
 371     BindStatusCallback_GetBindInfo,
 372     BindStatusCallback_OnDataAvailable,
 373     BindStatusCallback_OnObjectAvailable
 374 };
 375
 376 #define HTTPNEG_THIS(iface) DEFINE_THIS(BSCallback, HttpNegotiate2, iface)
 377
 378 static HRESULT WINAPI HttpNegotiate_QueryInterface(IHttpNegotiate2 *iface,
 379                                                    REFIID riid, void **ppv)
 380 {
 381     BSCallback *This = HTTPNEG_THIS(iface);
 382     return IBindStatusCallback_QueryInterface(STATUSCLB(This), riid, ppv);
 383 }
 384
 385 static ULONG WINAPI HttpNegotiate_AddRef(IHttpNegotiate2 *iface)
 386 {
 387     BSCallback *This = HTTPNEG_THIS(iface);
 388     return IBindStatusCallback_AddRef(STATUSCLB(This));
 389 }
 390
 391 static ULONG WINAPI HttpNegotiate_Release(IHttpNegotiate2 *iface)
 392 {
 393     BSCallback *This = HTTPNEG_THIS(iface);
 394     return IBindStatusCallback_Release(STATUSCLB(This));
 395 }
 396
 397 static HRESULT WINAPI HttpNegotiate_BeginningTransaction(IHttpNegotiate2 *iface,
 398         LPCWSTR szURL, LPCWSTR szHeaders, DWORD dwReserved, LPWSTR *pszAdditionalHeaders)
 399 {
 400     BSCallback *This = HTTPNEG_THIS(iface);
 401     DWORD size;
 402
 403     TRACE("(%p)->(%s %s %ld %p)\n", This, debugstr_w(szURL), debugstr_w(szHeaders),
 404           dwReserved, pszAdditionalHeaders);
 405
 406     if(!This->headers) {
 407         *pszAdditionalHeaders = NULL;
 408         return S_OK;
 409     }
 410
 411     size = (strlenW(This->headers)+1)*sizeof(WCHAR);
 412     *pszAdditionalHeaders = CoTaskMemAlloc(size);
 413     memcpy(*pszAdditionalHeaders, This->headers, size);
 414
 415     return S_OK;
 416 }
 417
 418 static HRESULT WINAPI HttpNegotiate_OnResponse(IHttpNegotiate2 *iface, DWORD dwResponseCode,
 419         LPCWSTR szResponseHeaders, LPCWSTR szRequestHeaders, LPWSTR *pszAdditionalRequestHeaders)
 420 {
 421     BSCallback *This = HTTPNEG_THIS(iface);
 422     FIXME("(%p)->(%ld %s %s %p)\n", This, dwResponseCode, debugstr_w(szResponseHeaders),
 423           debugstr_w(szRequestHeaders), pszAdditionalRequestHeaders);
 424     return E_NOTIMPL;
 425 }
 426
 427 static HRESULT WINAPI HttpNegotiate_GetRootSecurityId(IHttpNegotiate2 *iface,
 428         BYTE *pbSecurityId, DWORD *pcbSecurityId, DWORD_PTR dwReserved)
 429 {
 430     BSCallback *This = HTTPNEG_THIS(iface);
 431     FIXME("(%p)->(%p %p %ld)\n", This, pbSecurityId, pcbSecurityId, dwReserved);
 432     return E_NOTIMPL;
 433 }
 434
 435 #undef HTTPNEG
 436
 437 static const IHttpNegotiate2Vtbl HttpNegotiate2Vtbl = {
 438     HttpNegotiate_QueryInterface,
 439     HttpNegotiate_AddRef,
 440     HttpNegotiate_Release,
 441     HttpNegotiate_BeginningTransaction,
 442     HttpNegotiate_OnResponse,
 443     HttpNegotiate_GetRootSecurityId
 444 };
 445
 446 #define BINDINFO_THIS(iface) DEFINE_THIS(BSCallback, InternetBindInfo, iface)
 447
 448 static HRESULT WINAPI InternetBindInfo_QueryInterface(IInternetBindInfo *iface,
 449                                                       REFIID riid, void **ppv)
 450 {
 451     BSCallback *This = BINDINFO_THIS(iface);
 452     return IBindStatusCallback_QueryInterface(STATUSCLB(This), riid, ppv);
 453 }
 454
 455 static ULONG WINAPI InternetBindInfo_AddRef(IInternetBindInfo *iface)
 456 {
 457     BSCallback *This = BINDINFO_THIS(iface);
 458     return IBindStatusCallback_AddRef(STATUSCLB(This));
 459 }
 460
 461 static ULONG WINAPI InternetBindInfo_Release(IInternetBindInfo *iface)
 462 {
 463     BSCallback *This = BINDINFO_THIS(iface);
 464     return IBindStatusCallback_Release(STATUSCLB(This));
 465 }
 466
 467 static HRESULT WINAPI InternetBindInfo_GetBindInfo(IInternetBindInfo *iface,
 468                                                    DWORD *grfBINDF, BINDINFO *pbindinfo)
 469 {
 470     BSCallback *This = BINDINFO_THIS(iface);
 471     FIXME("(%p)->(%p %p)\n", This, grfBINDF, pbindinfo);
 472     return E_NOTIMPL;
 473 }
 474
 475 static HRESULT WINAPI InternetBindInfo_GetBindString(IInternetBindInfo *iface,
 476         ULONG ulStringType, LPOLESTR *ppwzStr, ULONG cEl, ULONG *pcElFetched)
 477 {
 478     BSCallback *This = BINDINFO_THIS(iface);
 479     FIXME("(%p)->(%lu %p %lu %p)\n", This, ulStringType, ppwzStr, cEl, pcElFetched);
 480     return E_NOTIMPL;
 481 }
 482
 483 #undef BINDINFO_THIS
 484
 485 static const IInternetBindInfoVtbl InternetBindInfoVtbl = {
 486     InternetBindInfo_QueryInterface,
 487     InternetBindInfo_AddRef,
 488     InternetBindInfo_Release,
 489     InternetBindInfo_GetBindInfo,
 490     InternetBindInfo_GetBindString
 491 };
 492
 493 #define SERVPROV_THIS(iface) DEFINE_THIS(BSCallback, ServiceProvider, iface)
 494
 495 static HRESULT WINAPI BSCServiceProvider_QueryInterface(IServiceProvider *iface,
 496                                                         REFIID riid, void **ppv)
 497 {
 498     BSCallback *This = SERVPROV_THIS(iface);
 499     return IBindStatusCallback_QueryInterface(STATUSCLB(This), riid, ppv);
 500 }
 501
 502 static ULONG WINAPI BSCServiceProvider_AddRef(IServiceProvider *iface)
 503 {
 504     BSCallback *This = SERVPROV_THIS(iface);
 505     return IBindStatusCallback_AddRef(STATUSCLB(This));
 506 }
 507
 508 static ULONG WINAPI BSCServiceProvider_Release(IServiceProvider *iface)
 509 {
 510     BSCallback *This = SERVPROV_THIS(iface);
 511     return IBindStatusCallback_Release(STATUSCLB(This));
 512 }
 513
 514 static HRESULT WINAPI BSCServiceProvider_QueryService(IServiceProvider *iface,
 515         REFGUID guidService, REFIID riid, void **ppv)
 516 {
 517     BSCallback *This = SERVPROV_THIS(iface);
 518     FIXME("(%p)->(%s %s %p)\n", This, debugstr_guid(guidService), debugstr_guid(riid), ppv);
 519     return E_NOTIMPL;
 520 }
 521
 522 #undef SERVPROV_THIS
 523
 524 static const IServiceProviderVtbl ServiceProviderVtbl = {
 525     BSCServiceProvider_QueryInterface,
 526     BSCServiceProvider_AddRef,
 527     BSCServiceProvider_Release,
 528     BSCServiceProvider_QueryService
 529 };
 530
 531 BSCallback *create_bscallback(HTMLDocument *doc, LPCOLESTR url)
 532 {
 533     BSCallback *ret = HeapAlloc(GetProcessHeap(), 0, sizeof(BSCallback));
 534
 535     ret->lpBindStatusCallbackVtbl = &BindStatusCallbackVtbl;
 536     ret->lpServiceProviderVtbl    = &ServiceProviderVtbl;
 537     ret->lpHttpNegotiate2Vtbl     = &HttpNegotiate2Vtbl;
 538     ret->lpInternetBindInfoVtbl   = &InternetBindInfoVtbl;
 539     ret->ref = 1;
 540     ret->post_data = NULL;
 541     ret->headers = NULL;
 542     ret->post_data_len = 0;
 543     ret->nschannel = NULL;
 544     ret->nslistener = NULL;
 545     ret->nscontext = NULL;
 546     ret->nsstream = NULL;
 547
 548     return ret;
 549 }
 550
 551 static void parse_post_data(nsIInputStream *post_data_stream, LPWSTR *headers_ret,
 552                             HGLOBAL *post_data_ret, ULONG *post_data_len_ret)
 553 {
 554     PRUint32 post_data_len = 0, available = 0;
 555     HGLOBAL post_data = NULL;
 556     LPWSTR headers = NULL;
 557     DWORD headers_len = 0, len;
 558     const char *ptr, *ptr2, *post_data_end;
 559
 560     nsIInputStream_Available(post_data_stream, &available);
 561     post_data = GlobalAlloc(0, available+1);
 562     nsIInputStream_Read(post_data_stream, post_data, available, &post_data_len);
 563
 564     TRACE("post_data = %s\n", debugstr_an(post_data, post_data_len));
 565
 566     ptr = ptr2 = post_data;
 567     post_data_end = (const char*)post_data+post_data_len;
 568
 569     while(ptr < post_data_end && (*ptr != '\r' || ptr[1] != '\n')) {
 570         while(ptr < post_data_end && (*ptr != '\r' || ptr[1] != '\n'))
 571             ptr++;
 572
 573         if(!*ptr) {
 574             FIXME("*ptr = 0\n");
 575             return;
 576         }
 577
 578         ptr += 2;
 579
 580         if(ptr-ptr2 >= sizeof(CONTENT_LENGTH)
 581            && CompareStringA(LOCALE_SYSTEM_DEFAULT, NORM_IGNORECASE,
 582                              CONTENT_LENGTH, sizeof(CONTENT_LENGTH)-1,
 583                              ptr2, sizeof(CONTENT_LENGTH)-1) == CSTR_EQUAL) {
 584             ptr2 = ptr;
 585             continue;
 586         }
 587
 588         len = MultiByteToWideChar(CP_ACP, 0, ptr2, ptr-ptr2, NULL, 0);
 589
 590         if(headers)
 591             headers = HeapReAlloc(GetProcessHeap(), 0, headers,
 592                                   (headers_len+len+1)*sizeof(WCHAR));
 593         else
 594             headers = HeapAlloc(GetProcessHeap(), 0, (len+1)*sizeof(WCHAR));
 595
 596         len = MultiByteToWideChar(CP_ACP, 0, ptr2, ptr-ptr2, headers+headers_len, -1);
 597         headers_len += len;
 598
 599         ptr2 = ptr;
 600     }
 601
 602     headers[headers_len] = 0;
 603     *headers_ret = headers;
 604
 605     if(ptr >= post_data_end-2) {
 606         GlobalFree(post_data);
 607         return;
 608     }
 609
 610     ptr += 2;
 611
 612     if(headers_len) {
 613         post_data_len -= ptr-(const char*)post_data;
 614         memmove(post_data, ptr, post_data_len);
 615         post_data = GlobalReAlloc(post_data, post_data_len+1, 0);
 616     }
 617
 618     *post_data_ret = post_data;
 619     *post_data_len_ret = post_data_len;
 620 }
 621
 622 void hlink_frame_navigate(HTMLDocument *doc, IHlinkFrame *hlink_frame,
 623                           LPCWSTR uri, nsIInputStream *post_data_stream, DWORD hlnf)
 624 {
 625     BSCallback *callback;
 626     IBindCtx *bindctx;
 627     IMoniker *mon;
 628     IHlink *hlink;
 629
 630     callback = create_bscallback(doc, uri);
 631
 632     if(post_data_stream) {
 633         parse_post_data(post_data_stream, &callback->headers, &callback->post_data,
 634                         &callback->post_data_len);
 635         TRACE("headers = %s post_data = %s\n", debugstr_w(callback->headers),
 636               debugstr_an(callback->post_data, callback->post_data_len));
 637     }
 638
 639     CreateAsyncBindCtx(0, STATUSCLB(callback), NULL, &bindctx);
 640
 641     hlink = Hlink_Create();
 642
 643     CreateURLMoniker(NULL, uri, &mon);
 644     IHlink_SetMonikerReference(hlink, 0, mon, NULL);
 645
 646     if(hlnf & HLNF_OPENINNEWWINDOW) {
 647         static const WCHAR wszBlank[] = {'_','b','l','a','n','k',0};
 648         IHlink_SetTargetFrameName(hlink, wszBlank); /* FIXME */
 649     }
 650
 651     IHlinkFrame_Navigate(hlink_frame, hlnf, bindctx, STATUSCLB(callback), hlink);
 652
 653     IBindCtx_Release(bindctx);
 654     IBindStatusCallback_Release(STATUSCLB(callback));
 655     IMoniker_Release(mon);
 656
 657 }
 658
 659 HRESULT start_binding(BSCallback *bscallback, IMoniker *mon)
 660 {
 661     IStream *str = NULL;
 662     IBindCtx *bctx;
 663     HRESULT hres;
 664
 665     hres = CreateAsyncBindCtx(0, STATUSCLB(bscallback), NULL, &bctx);
 666     if(FAILED(hres)) {
 667         WARN("CreateAsyncBindCtx failed: %08lx\n", hres);
 668         return hres;
 669     }
 670
 671     hres = IMoniker_BindToStorage(mon, bctx, NULL, &IID_IStream, (void**)&str);
 672     IBindCtx_Release(bctx);
 673     if(FAILED(hres)) {
 674         WARN("BindToStorage failed: %08lx\n", hres);
 675         return hres;
 676     }
 677
 678     if(str)
 679         IStream_Release(str);
 680
 681     return S_OK;
 682 }