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