git.oblomov.eu Git - wine/blob - dlls/urlmon/binding.c

   1 /*
   2  * Copyright 2005 Jacek Caban
   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 <stdarg.h>
  20
  21 #define COBJMACROS
  22 #define NONAMELESSUNION
  23 #define NONAMELESSSTRUCT
  24
  25 #include "windef.h"
  26 #include "winbase.h"
  27 #include "winuser.h"
  28 #include "ole2.h"
  29 #include "urlmon.h"
  30 #include "urlmon_main.h"
  31
  32 #include "wine/debug.h"
  33 #include "wine/unicode.h"
  34
  35 WINE_DEFAULT_DEBUG_CHANNEL(urlmon);
  36
  37 typedef struct Binding Binding;
  38
  39 enum task_enum {
  40     TASK_ON_PROGRESS,
  41     TASK_SWITCH,
  42     TASK_DATA_AVAILABLE
  43 };
  44
  45 typedef struct {
  46     Binding *binding;
  47     ULONG progress;
  48     ULONG progress_max;
  49     ULONG status_code;
  50     LPWSTR status_text;
  51 } on_progress_data;
  52
  53 typedef struct _task_t {
  54     enum task_enum task;
  55     struct _task_t *next;
  56     union {
  57         on_progress_data on_progress;
  58         PROTOCOLDATA *protocol_data;
  59         DWORD bscf;
  60     } data;
  61 } task_t;
  62
  63 typedef struct {
  64     const IStreamVtbl *lpStreamVtbl;
  65
  66     LONG ref;
  67
  68     IInternetProtocol *protocol;
  69
  70     BYTE buf[1024*8];
  71     DWORD buf_size;
  72     BOOL init_buf;
  73 } ProtocolStream;
  74
  75 struct Binding {
  76     const IBindingVtbl               *lpBindingVtbl;
  77     const IInternetProtocolSinkVtbl  *lpInternetProtocolSinkVtbl;
  78     const IInternetBindInfoVtbl      *lpInternetBindInfoVtbl;
  79     const IServiceProviderVtbl       *lpServiceProviderVtbl;
  80
  81     LONG ref;
  82
  83     IBindStatusCallback *callback;
  84     IInternetProtocol *protocol;
  85     IServiceProvider *service_provider;
  86     ProtocolStream *stream;
  87
  88     BINDINFO bindinfo;
  89     DWORD bindf;
  90     LPWSTR mime;
  91     LPWSTR url;
  92     BOOL verified_mime;
  93     DWORD continue_call;
  94
  95     DWORD apartment_thread;
  96     HWND notif_hwnd;
  97
  98     STGMEDIUM stgmed;
  99
 100     task_t *task_queue_head, *task_queue_tail;
 101     CRITICAL_SECTION section;
 102 };
 103
 104 #define BINDING(x)   ((IBinding*)               &(x)->lpBindingVtbl)
 105 #define PROTSINK(x)  ((IInternetProtocolSink*)  &(x)->lpInternetProtocolSinkVtbl)
 106 #define BINDINF(x)   ((IInternetBindInfo*)      &(x)->lpInternetBindInfoVtbl)
 107 #define SERVPROV(x)  ((IServiceProvider*)       &(x)->lpServiceProviderVtbl)
 108
 109 #define STREAM(x) ((IStream*) &(x)->lpStreamVtbl)
 110
 111 #define WM_MK_CONTINUE   (WM_USER+101)
 112
 113 static void push_task(Binding *binding, task_t *task)
 114 {
 115     task->next = NULL;
 116
 117      EnterCriticalSection(&binding->section);
 118
 119     if(binding->task_queue_tail)
 120         binding->task_queue_tail->next = task;
 121     else
 122         binding->task_queue_tail = binding->task_queue_head = task;
 123
 124     LeaveCriticalSection(&binding->section);
 125 }
 126
 127 static task_t *pop_task(Binding *binding)
 128 {
 129     task_t *ret;
 130
 131      EnterCriticalSection(&binding->section);
 132
 133      ret = binding->task_queue_head;
 134      if(ret) {
 135          binding->task_queue_head = ret->next;
 136          if(!binding->task_queue_head)
 137              binding->task_queue_tail = NULL;
 138      }
 139
 140      LeaveCriticalSection(&binding->section);
 141
 142      return ret;
 143 }
 144
 145 static void fill_stream_buffer(ProtocolStream *This)
 146 {
 147     DWORD read = 0;
 148     HRESULT hres;
 149
 150     if(sizeof(This->buf) == This->buf_size)
 151         return;
 152
 153     hres = IInternetProtocol_Read(This->protocol, This->buf+This->buf_size,
 154                                   sizeof(This->buf)-This->buf_size, &read);
 155     if(SUCCEEDED(hres)) {
 156         This->buf_size += read;
 157         This->init_buf = TRUE;
 158     }
 159 }
 160
 161 static void on_data_available(Binding *binding, DWORD bscf)
 162 {
 163     FORMATETC formatetc = {0, NULL, 1, -1, TYMED_ISTREAM};
 164
 165     if(GetCurrentThreadId() != binding->apartment_thread)
 166         FIXME("called from worked hread\n");
 167
 168     if(binding->continue_call) {
 169         task_t *task = HeapAlloc(GetProcessHeap(), 0, sizeof(task_t));
 170         task->task = TASK_DATA_AVAILABLE;
 171         task->data.bscf = bscf;
 172
 173         push_task(binding, task);
 174
 175         return;
 176     }
 177
 178     fill_stream_buffer(binding->stream);
 179
 180     IBindStatusCallback_OnDataAvailable(binding->callback, bscf, binding->stream->buf_size,
 181             &formatetc, &binding->stgmed);
 182 }
 183
 184
 185 static void do_task(Binding *binding, task_t *task)
 186 {
 187     switch(task->task) {
 188     case TASK_ON_PROGRESS: {
 189         on_progress_data *data = &task->data.on_progress;
 190
 191         IBindStatusCallback_OnProgress(binding->callback, data->progress,
 192                 data->progress_max, data->status_code, data->status_text);
 193
 194         HeapFree(GetProcessHeap(), 0, data->status_text);
 195         HeapFree(GetProcessHeap(), 0, data);
 196
 197         break;
 198     }
 199     case TASK_SWITCH:
 200         binding->continue_call++;
 201         IInternetProtocol_Continue(binding->protocol, task->data.protocol_data);
 202         binding->continue_call--;
 203
 204         break;
 205     case TASK_DATA_AVAILABLE:
 206         on_data_available(binding, task->data.bscf);
 207     }
 208 }
 209
 210 static void do_tasks(Binding *This)
 211 {
 212     task_t *task;
 213
 214     while((task = pop_task(This)))
 215         do_task(This, task);
 216 }
 217
 218 static LRESULT WINAPI notif_wnd_proc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
 219 {
 220     if(msg == WM_MK_CONTINUE) {
 221         Binding *binding = (Binding*)lParam;
 222
 223         do_tasks(binding);
 224
 225         IBinding_Release(BINDING(binding));
 226         return 0;
 227     }
 228
 229     return DefWindowProcW(hwnd, msg, wParam, lParam);
 230 }
 231
 232 static HWND get_notif_hwnd(void)
 233 {
 234     static ATOM wnd_class = 0;
 235     HWND hwnd;
 236
 237     static const WCHAR wszURLMonikerNotificationWindow[] =
 238         {'U','R','L',' ','M','o','n','i','k','e','r',' ',
 239          'N','o','t','i','f','i','c','a','t','i','o','n',' ','W','i','n','d','o','w',0};
 240
 241     if(!wnd_class) {
 242         static WNDCLASSEXW wndclass = {
 243             sizeof(wndclass), 0,
 244             notif_wnd_proc, 0, 0,
 245             NULL, NULL, NULL, NULL, NULL,
 246             wszURLMonikerNotificationWindow,
 247             NULL
 248         };
 249
 250         wndclass.hInstance = URLMON_hInstance;
 251
 252         wnd_class = RegisterClassExW(&wndclass);
 253     }
 254
 255     if(!urlmon_tls)
 256         urlmon_tls = TlsAlloc();
 257
 258     hwnd = TlsGetValue(urlmon_tls);
 259     if(hwnd)
 260         return hwnd;
 261
 262     hwnd = CreateWindowExW(0, MAKEINTATOMW(wnd_class),
 263                            wszURLMonikerNotificationWindow, 0, 0, 0, 0, 0, HWND_MESSAGE,
 264                            NULL, URLMON_hInstance, NULL);
 265     TlsSetValue(urlmon_tls, hwnd);
 266
 267     TRACE("hwnd = %p\n", hwnd);
 268
 269     return hwnd;
 270 }
 271
 272 static void on_progress(Binding *This, ULONG progress, ULONG progress_max,
 273                         ULONG status_code, LPCWSTR status_text)
 274 {
 275     task_t *task;
 276
 277     if(GetCurrentThreadId() == This->apartment_thread && !This->continue_call) {
 278         IBindStatusCallback_OnProgress(This->callback, progress, progress_max,
 279                                        status_code, status_text);
 280         return;
 281     }
 282
 283     task = HeapAlloc(GetProcessHeap(), 0, sizeof(task_t));
 284
 285     task->task = TASK_ON_PROGRESS;
 286     task->data.on_progress.progress = progress;
 287     task->data.on_progress.progress_max = progress_max;
 288     task->data.on_progress.status_code = status_code;
 289
 290     if(status_text) {
 291         DWORD size = (strlenW(status_text)+1)*sizeof(WCHAR);
 292
 293         task->data.on_progress.status_text = HeapAlloc(GetProcessHeap(), 0, size);
 294         memcpy(task->data.on_progress.status_text, status_text, size);
 295     }else {
 296         task->data.on_progress.status_text = NULL;
 297     }
 298
 299     push_task(This, task);
 300
 301     if(GetCurrentThreadId() != This->apartment_thread) {
 302         IBinding_AddRef(BINDING(This));
 303         PostMessageW(This->notif_hwnd, WM_MK_CONTINUE, 0, (LPARAM)This);
 304     }
 305 }
 306
 307 static void dump_BINDINFO(BINDINFO *bi)
 308 {
 309     static const char *BINDINFOF_str[] = {
 310         "#0",
 311         "BINDINFOF_URLENCODESTGMEDDATA",
 312         "BINDINFOF_URLENCODEDEXTRAINFO"
 313     };
 314
 315     static const char *BINDVERB_str[] = {
 316         "BINDVERB_GET",
 317         "BINDVERB_POST",
 318         "BINDVERB_PUT",
 319         "BINDVERB_CUSTOM"
 320     };
 321
 322     TRACE("\n"
 323             "BINDINFO = {\n"
 324             "    %ld, %s,\n"
 325             "    {%ld, %p, %p},\n"
 326             "    %s,\n"
 327             "    %s,\n"
 328             "    %s,\n"
 329             "    %ld, %08lx, %ld, %ld\n"
 330             "    {%ld %p %x},\n"
 331             "    %s\n"
 332             "    %p, %ld\n"
 333             "}\n",
 334
 335             bi->cbSize, debugstr_w(bi->szExtraInfo),
 336             bi->stgmedData.tymed, bi->stgmedData.u.hGlobal, bi->stgmedData.pUnkForRelease,
 337             bi->grfBindInfoF > BINDINFOF_URLENCODEDEXTRAINFO
 338                 ? "unknown" : BINDINFOF_str[bi->grfBindInfoF],
 339             bi->dwBindVerb > BINDVERB_CUSTOM
 340                 ? "unknown" : BINDVERB_str[bi->dwBindVerb],
 341             debugstr_w(bi->szCustomVerb),
 342             bi->cbStgmedData, bi->dwOptions, bi->dwOptionsFlags, bi->dwCodePage,
 343             bi->securityAttributes.nLength,
 344             bi->securityAttributes.lpSecurityDescriptor,
 345             bi->securityAttributes.bInheritHandle,
 346             debugstr_guid(&bi->iid),
 347             bi->pUnk, bi->dwReserved
 348             );
 349 }
 350
 351 static HRESULT WINAPI HttpNegotiate_QueryInterface(IHttpNegotiate2 *iface,
 352                                                    REFIID riid, void **ppv)
 353 {
 354     *ppv = NULL;
 355
 356     if(IsEqualGUID(&IID_IUnknown, riid)) {
 357         TRACE("(IID_IUnknown %p)\n", ppv);
 358         *ppv = iface;
 359     }else if(IsEqualGUID(&IID_IHttpNegotiate, riid)) {
 360         TRACE("(IID_IHttpNegotiate %p)\n", ppv);
 361         *ppv = iface;
 362     }else if(IsEqualGUID(&IID_IHttpNegotiate2, riid)) {
 363         TRACE("(IID_IHttpNegotiate2 %p)\n", ppv);
 364         *ppv = iface;
 365     }
 366
 367     if(*ppv) {
 368         IHttpNegotiate2_AddRef(iface);
 369         return S_OK;
 370     }
 371
 372     WARN("Unsupported interface %s\n", debugstr_guid(riid));
 373     return E_NOINTERFACE;
 374 }
 375
 376 static ULONG WINAPI HttpNegotiate_AddRef(IHttpNegotiate2 *iface)
 377 {
 378     URLMON_LockModule();
 379     return 2;
 380 }
 381
 382 static ULONG WINAPI HttpNegotiate_Release(IHttpNegotiate2 *iface)
 383 {
 384     URLMON_UnlockModule();
 385     return 1;
 386 }
 387
 388 static HRESULT WINAPI HttpNegotiate_BeginningTransaction(IHttpNegotiate2 *iface,
 389         LPCWSTR szURL, LPCWSTR szHeaders, DWORD dwReserved, LPWSTR *pszAdditionalHeaders)
 390 {
 391     TRACE("(%s %s %ld %p)\n", debugstr_w(szURL), debugstr_w(szHeaders), dwReserved,
 392           pszAdditionalHeaders);
 393
 394     *pszAdditionalHeaders = NULL;
 395     return S_OK;
 396 }
 397
 398 static HRESULT WINAPI HttpNegotiate_OnResponse(IHttpNegotiate2 *iface, DWORD dwResponseCode,
 399         LPCWSTR szResponseHeaders, LPCWSTR szRequestHeaders,
 400         LPWSTR *pszAdditionalRequestHeaders)
 401 {
 402     TRACE("(%ld %s %s %p)\n", dwResponseCode, debugstr_w(szResponseHeaders),
 403           debugstr_w(szRequestHeaders), pszAdditionalRequestHeaders);
 404
 405     if(pszAdditionalRequestHeaders)
 406         *pszAdditionalRequestHeaders = NULL;
 407     return S_OK;
 408 }
 409
 410 static HRESULT WINAPI HttpNegotiate_GetRootSecurityId(IHttpNegotiate2 *iface,
 411         BYTE *pbSecurityId, DWORD *pcbSecurityId, DWORD_PTR dwReserved)
 412 {
 413     TRACE("(%p %p %ld)\n", pbSecurityId, pcbSecurityId, dwReserved);
 414
 415     /* That's all we have to do here */
 416     return E_FAIL;
 417 }
 418
 419 static const IHttpNegotiate2Vtbl HttpNegotiate2Vtbl = {
 420     HttpNegotiate_QueryInterface,
 421     HttpNegotiate_AddRef,
 422     HttpNegotiate_Release,
 423     HttpNegotiate_BeginningTransaction,
 424     HttpNegotiate_OnResponse,
 425     HttpNegotiate_GetRootSecurityId
 426 };
 427
 428 static IHttpNegotiate2 HttpNegotiate = { &HttpNegotiate2Vtbl };
 429
 430 #define STREAM_THIS(iface) DEFINE_THIS(ProtocolStream, Stream, iface)
 431
 432 static HRESULT WINAPI ProtocolStream_QueryInterface(IStream *iface,
 433                                                           REFIID riid, void **ppv)
 434 {
 435     ProtocolStream *This = STREAM_THIS(iface);
 436
 437     *ppv = NULL;
 438
 439     if(IsEqualGUID(&IID_IUnknown, riid)) {
 440         TRACE("(%p)->(IID_IUnknown %p)\n", This, ppv);
 441         *ppv = STREAM(This);
 442     }else if(IsEqualGUID(&IID_ISequentialStream, riid)) {
 443         TRACE("(%p)->(IID_ISequentialStream %p)\n", This, ppv);
 444         *ppv = STREAM(This);
 445     }else if(IsEqualGUID(&IID_IStream, riid)) {
 446         TRACE("(%p)->(IID_IStream %p)\n", This, ppv);
 447         *ppv = STREAM(This);
 448     }
 449
 450     if(*ppv) {
 451         IStream_AddRef(STREAM(This));
 452         return S_OK;
 453     }
 454
 455     WARN("(%p)->(%s %p)\n", This, debugstr_guid(riid), ppv);
 456     return E_NOINTERFACE;
 457 }
 458
 459 static ULONG WINAPI ProtocolStream_AddRef(IStream *iface)
 460 {
 461     ProtocolStream *This = STREAM_THIS(iface);
 462     LONG ref = InterlockedIncrement(&This->ref);
 463
 464     TRACE("(%p) ref=%ld\n", This, ref);
 465
 466     return ref;
 467 }
 468
 469 static ULONG WINAPI ProtocolStream_Release(IStream *iface)
 470 {
 471     ProtocolStream *This = STREAM_THIS(iface);
 472     LONG ref = InterlockedDecrement(&This->ref);
 473
 474     TRACE("(%p) ref=%ld\n", This, ref);
 475
 476     if(!ref) {
 477         IInternetProtocol_Release(This->protocol);
 478         HeapFree(GetProcessHeap(), 0, This);
 479
 480         URLMON_UnlockModule();
 481     }
 482
 483     return ref;
 484 }
 485
 486 static HRESULT WINAPI ProtocolStream_Read(IStream *iface, void *pv,
 487                                          ULONG cb, ULONG *pcbRead)
 488 {
 489     ProtocolStream *This = STREAM_THIS(iface);
 490     DWORD read = 0, pread = 0;
 491     HRESULT hres;
 492
 493     TRACE("(%p)->(%p %ld %p)\n", This, pv, cb, pcbRead);
 494
 495     if(This->buf_size) {
 496         read = cb;
 497
 498         if(read > This->buf_size)
 499             read = This->buf_size;
 500
 501         memcpy(pv, This->buf, read);
 502
 503         if(read < This->buf_size)
 504             memmove(This->buf, This->buf+read, This->buf_size-read);
 505         This->buf_size -= read;
 506     }
 507
 508     if(read == cb) {
 509         *pcbRead = read;
 510         return S_OK;
 511     }
 512
 513     hres = IInternetProtocol_Read(This->protocol, (PBYTE)pv+read, cb-read, &pread);
 514     *pcbRead = read + pread;
 515
 516     if(hres == E_PENDING)
 517         return E_PENDING;
 518     else if(FAILED(hres))
 519         FIXME("Read failed: %08lx\n", hres);
 520
 521     return read || pread ? S_OK : S_FALSE;
 522 }
 523
 524 static HRESULT WINAPI ProtocolStream_Write(IStream *iface, const void *pv,
 525                                           ULONG cb, ULONG *pcbWritten)
 526 {
 527     ProtocolStream *This = STREAM_THIS(iface);
 528
 529     TRACE("(%p)->(%p %ld %p)\n", This, pv, cb, pcbWritten);
 530
 531     return STG_E_ACCESSDENIED;
 532 }
 533
 534 static HRESULT WINAPI ProtocolStream_Seek(IStream *iface, LARGE_INTEGER dlibMove,
 535                                          DWORD dwOrigin, ULARGE_INTEGER *plibNewPosition)
 536 {
 537     ProtocolStream *This = STREAM_THIS(iface);
 538     FIXME("(%p)->(%ld %08lx %p)\n", This, dlibMove.u.LowPart, dwOrigin, plibNewPosition);
 539     return E_NOTIMPL;
 540 }
 541
 542 static HRESULT WINAPI ProtocolStream_SetSize(IStream *iface, ULARGE_INTEGER libNewSize)
 543 {
 544     ProtocolStream *This = STREAM_THIS(iface);
 545     FIXME("(%p)->(%ld)\n", This, libNewSize.u.LowPart);
 546     return E_NOTIMPL;
 547 }
 548
 549 static HRESULT WINAPI ProtocolStream_CopyTo(IStream *iface, IStream *pstm,
 550         ULARGE_INTEGER cb, ULARGE_INTEGER *pcbRead, ULARGE_INTEGER *pcbWritten)
 551 {
 552     ProtocolStream *This = STREAM_THIS(iface);
 553     FIXME("(%p)->(%p %ld %p %p)\n", This, pstm, cb.u.LowPart, pcbRead, pcbWritten);
 554     return E_NOTIMPL;
 555 }
 556
 557 static HRESULT WINAPI ProtocolStream_Commit(IStream *iface, DWORD grfCommitFlags)
 558 {
 559     ProtocolStream *This = STREAM_THIS(iface);
 560
 561     TRACE("(%p)->(%08lx)\n", This, grfCommitFlags);
 562
 563     return E_NOTIMPL;
 564 }
 565
 566 static HRESULT WINAPI ProtocolStream_Revert(IStream *iface)
 567 {
 568     ProtocolStream *This = STREAM_THIS(iface);
 569
 570     TRACE("(%p)\n", This);
 571
 572     return E_NOTIMPL;
 573 }
 574
 575 static HRESULT WINAPI ProtocolStream_LockRegion(IStream *iface, ULARGE_INTEGER libOffset,
 576                                                ULARGE_INTEGER cb, DWORD dwLockType)
 577 {
 578     ProtocolStream *This = STREAM_THIS(iface);
 579     FIXME("(%p)->(%ld %ld %ld)\n", This, libOffset.u.LowPart, cb.u.LowPart, dwLockType);
 580     return E_NOTIMPL;
 581 }
 582
 583 static HRESULT WINAPI ProtocolStream_UnlockRegion(IStream *iface,
 584         ULARGE_INTEGER libOffset, ULARGE_INTEGER cb, DWORD dwLockType)
 585 {
 586     ProtocolStream *This = STREAM_THIS(iface);
 587     FIXME("(%p)->(%ld %ld %ld)\n", This, libOffset.u.LowPart, cb.u.LowPart, dwLockType);
 588     return E_NOTIMPL;
 589 }
 590
 591 static HRESULT WINAPI ProtocolStream_Stat(IStream *iface, STATSTG *pstatstg,
 592                                          DWORD dwStatFlag)
 593 {
 594     ProtocolStream *This = STREAM_THIS(iface);
 595     FIXME("(%p)->(%p %08lx)\n", This, pstatstg, dwStatFlag);
 596     return E_NOTIMPL;
 597 }
 598
 599 static HRESULT WINAPI ProtocolStream_Clone(IStream *iface, IStream **ppstm)
 600 {
 601     ProtocolStream *This = STREAM_THIS(iface);
 602     FIXME("(%p)->(%p)\n", This, ppstm);
 603     return E_NOTIMPL;
 604 }
 605
 606 #undef STREAM_THIS
 607
 608 static const IStreamVtbl ProtocolStreamVtbl = {
 609     ProtocolStream_QueryInterface,
 610     ProtocolStream_AddRef,
 611     ProtocolStream_Release,
 612     ProtocolStream_Read,
 613     ProtocolStream_Write,
 614     ProtocolStream_Seek,
 615     ProtocolStream_SetSize,
 616     ProtocolStream_CopyTo,
 617     ProtocolStream_Commit,
 618     ProtocolStream_Revert,
 619     ProtocolStream_LockRegion,
 620     ProtocolStream_UnlockRegion,
 621     ProtocolStream_Stat,
 622     ProtocolStream_Clone
 623 };
 624
 625 #define BINDING_THIS(iface) DEFINE_THIS(Binding, Binding, iface)
 626
 627 static ProtocolStream *create_stream(IInternetProtocol *protocol)
 628 {
 629     ProtocolStream *ret = HeapAlloc(GetProcessHeap(), 0, sizeof(ProtocolStream));
 630
 631     ret->lpStreamVtbl = &ProtocolStreamVtbl;
 632     ret->ref = 1;
 633     ret->buf_size = 0;
 634     ret->init_buf = FALSE;
 635
 636     IInternetProtocol_AddRef(protocol);
 637     ret->protocol = protocol;
 638
 639     URLMON_LockModule();
 640
 641     return ret;
 642 }
 643
 644 static HRESULT WINAPI Binding_QueryInterface(IBinding *iface, REFIID riid, void **ppv)
 645 {
 646     Binding *This = BINDING_THIS(iface);
 647
 648     *ppv = NULL;
 649
 650     if(IsEqualGUID(&IID_IUnknown, riid)) {
 651         TRACE("(%p)->(IID_IUnknown %p)\n", This, ppv);
 652         *ppv = BINDING(This);
 653     }else if(IsEqualGUID(&IID_IBinding, riid)) {
 654         TRACE("(%p)->(IID_IBinding %p)\n", This, ppv);
 655         *ppv = BINDING(This);
 656     }else if(IsEqualGUID(&IID_IInternetProtocolSink, riid)) {
 657         TRACE("(%p)->(IID_IInternetProtocolSink %p)\n", This, ppv);
 658         *ppv = PROTSINK(This);
 659     }else if(IsEqualGUID(&IID_IInternetBindInfo, riid)) {
 660         TRACE("(%p)->(IID_IInternetBindInfo %p)\n", This, ppv);
 661         *ppv = BINDINF(This);
 662     }else if(IsEqualGUID(&IID_IServiceProvider, riid)) {
 663         TRACE("(%p)->(IID_IServiceProvider %p)\n", This, ppv);
 664         *ppv = SERVPROV(This);
 665     }
 666
 667     if(*ppv) {
 668         IBinding_AddRef(BINDING(This));
 669         return S_OK;
 670     }
 671
 672     WARN("Unsupported interface %s\n", debugstr_guid(riid));
 673     return E_NOINTERFACE;
 674 }
 675
 676 static ULONG WINAPI Binding_AddRef(IBinding *iface)
 677 {
 678     Binding *This = BINDING_THIS(iface);
 679     LONG ref = InterlockedIncrement(&This->ref);
 680
 681     TRACE("(%p) ref=%ld\n", This, ref);
 682
 683     return ref;
 684 }
 685
 686 static ULONG WINAPI Binding_Release(IBinding *iface)
 687 {
 688     Binding *This = BINDING_THIS(iface);
 689     LONG ref = InterlockedDecrement(&This->ref);
 690
 691     TRACE("(%p) ref=%ld\n", This, ref);
 692
 693     if(!ref) {
 694         if(This->callback)
 695             IBindStatusCallback_Release(This->callback);
 696         if(This->protocol)
 697             IInternetProtocol_Release(This->protocol);
 698         if(This->service_provider)
 699             IServiceProvider_Release(This->service_provider);
 700         if(This->stream)
 701             IStream_Release(STREAM(This->stream));
 702
 703         ReleaseBindInfo(&This->bindinfo);
 704         DeleteCriticalSection(&This->section);
 705         HeapFree(GetProcessHeap(), 0, This->mime);
 706         HeapFree(GetProcessHeap(), 0, This->url);
 707
 708         HeapFree(GetProcessHeap(), 0, This);
 709
 710         URLMON_UnlockModule();
 711     }
 712
 713     return ref;
 714 }
 715
 716 static HRESULT WINAPI Binding_Abort(IBinding *iface)
 717 {
 718     Binding *This = BINDING_THIS(iface);
 719     FIXME("(%p)\n", This);
 720     return E_NOTIMPL;
 721 }
 722
 723 static HRESULT WINAPI Binding_Suspend(IBinding *iface)
 724 {
 725     Binding *This = BINDING_THIS(iface);
 726     FIXME("(%p)\n", This);
 727     return E_NOTIMPL;
 728 }
 729
 730 static HRESULT WINAPI Binding_Resume(IBinding *iface)
 731 {
 732     Binding *This = BINDING_THIS(iface);
 733     FIXME("(%p)\n", This);
 734     return E_NOTIMPL;
 735 }
 736
 737 static HRESULT WINAPI Binding_SetPriority(IBinding *iface, LONG nPriority)
 738 {
 739     Binding *This = BINDING_THIS(iface);
 740     FIXME("(%p)->(%ld)\n", This, nPriority);
 741     return E_NOTIMPL;
 742 }
 743
 744 static HRESULT WINAPI Binding_GetPriority(IBinding *iface, LONG *pnPriority)
 745 {
 746     Binding *This = BINDING_THIS(iface);
 747     FIXME("(%p)->(%p)\n", This, pnPriority);
 748     return E_NOTIMPL;
 749 }
 750
 751 static HRESULT WINAPI Binding_GetBindResult(IBinding *iface, CLSID *pclsidProtocol,
 752         DWORD *pdwResult, LPOLESTR *pszResult, DWORD *pdwReserved)
 753 {
 754     Binding *This = BINDING_THIS(iface);
 755     FIXME("(%p)->(%p %p %p %p)\n", This, pclsidProtocol, pdwResult, pszResult, pdwReserved);
 756     return E_NOTIMPL;
 757 }
 758
 759 #undef BINDING_THIS
 760
 761 static const IBindingVtbl BindingVtbl = {
 762     Binding_QueryInterface,
 763     Binding_AddRef,
 764     Binding_Release,
 765     Binding_Abort,
 766     Binding_Suspend,
 767     Binding_Resume,
 768     Binding_SetPriority,
 769     Binding_GetPriority,
 770     Binding_GetBindResult
 771 };
 772
 773 #define PROTSINK_THIS(iface) DEFINE_THIS(Binding, InternetProtocolSink, iface)
 774
 775 static HRESULT WINAPI InternetProtocolSink_QueryInterface(IInternetProtocolSink *iface,
 776         REFIID riid, void **ppv)
 777 {
 778     Binding *This = PROTSINK_THIS(iface);
 779     return IBinding_QueryInterface(BINDING(This), riid, ppv);
 780 }
 781
 782 static ULONG WINAPI InternetProtocolSink_AddRef(IInternetProtocolSink *iface)
 783 {
 784     Binding *This = PROTSINK_THIS(iface);
 785     return IBinding_AddRef(BINDING(This));
 786 }
 787
 788 static ULONG WINAPI InternetProtocolSink_Release(IInternetProtocolSink *iface)
 789 {
 790     Binding *This = PROTSINK_THIS(iface);
 791     return IBinding_Release(BINDING(This));
 792 }
 793
 794 static HRESULT WINAPI InternetProtocolSink_Switch(IInternetProtocolSink *iface,
 795         PROTOCOLDATA *pProtocolData)
 796 {
 797     Binding *This = PROTSINK_THIS(iface);
 798     task_t *task;
 799
 800     TRACE("(%p)->(%p)\n", This, pProtocolData);
 801
 802     task = HeapAlloc(GetProcessHeap(), 0, sizeof(task_t));
 803     task->task = TASK_SWITCH;
 804     task->data.protocol_data = pProtocolData;
 805
 806     push_task(This, task);
 807
 808     IBinding_AddRef(BINDING(This));
 809     PostMessageW(This->notif_hwnd, WM_MK_CONTINUE, 0, (LPARAM)This);
 810
 811     return S_OK;
 812 }
 813
 814 static HRESULT WINAPI InternetProtocolSink_ReportProgress(IInternetProtocolSink *iface,
 815         ULONG ulStatusCode, LPCWSTR szStatusText)
 816 {
 817     Binding *This = PROTSINK_THIS(iface);
 818
 819     TRACE("(%p)->(%lu %s)\n", This, ulStatusCode, debugstr_w(szStatusText));
 820
 821     switch(ulStatusCode) {
 822     case BINDSTATUS_FINDINGRESOURCE:
 823         on_progress(This, 0, 0, BINDSTATUS_FINDINGRESOURCE, szStatusText);
 824         break;
 825     case BINDSTATUS_CONNECTING:
 826         on_progress(This, 0, 0, BINDSTATUS_CONNECTING, szStatusText);
 827         break;
 828     case BINDSTATUS_MIMETYPEAVAILABLE: {
 829         int len = strlenW(szStatusText)+1;
 830         This->mime = HeapAlloc(GetProcessHeap(), 0, len*sizeof(WCHAR));
 831         memcpy(This->mime, szStatusText, len*sizeof(WCHAR));
 832         break;
 833     }
 834     case BINDSTATUS_SENDINGREQUEST:
 835         on_progress(This, 0, 0, BINDSTATUS_SENDINGREQUEST, szStatusText);
 836         break;
 837     case BINDSTATUS_VERIFIEDMIMETYPEAVAILABLE:
 838         This->verified_mime = TRUE;
 839         on_progress(This, 0, 0, BINDSTATUS_MIMETYPEAVAILABLE, szStatusText);
 840         break;
 841     case BINDSTATUS_CACHEFILENAMEAVAILABLE:
 842         break;
 843     default:
 844         FIXME("Unhandled status code %ld\n", ulStatusCode);
 845         return E_NOTIMPL;
 846     };
 847
 848     return S_OK;
 849 }
 850
 851 static HRESULT WINAPI InternetProtocolSink_ReportData(IInternetProtocolSink *iface,
 852         DWORD grfBSCF, ULONG ulProgress, ULONG ulProgressMax)
 853 {
 854     Binding *This = PROTSINK_THIS(iface);
 855
 856     TRACE("(%p)->(%ld %lu %lu)\n", This, grfBSCF, ulProgress, ulProgressMax);
 857
 858     if(!This->verified_mime) {
 859         LPWSTR mime;
 860
 861         This->verified_mime = TRUE;
 862
 863         fill_stream_buffer(This->stream);
 864
 865         /* FIXME: Always call FindMediaFromData (its implementation is not yet ready for this). */
 866         if(This->mime)
 867             mime = This->mime;
 868         else
 869             FindMimeFromData(NULL, This->url, This->stream->buf,
 870                               min(This->stream->buf_size, 255), This->mime, 0, &mime, 0);
 871
 872         on_progress(This, ulProgress, ulProgressMax, BINDSTATUS_MIMETYPEAVAILABLE, mime);
 873     }
 874
 875     if(grfBSCF & BSCF_FIRSTDATANOTIFICATION) {
 876         on_progress(This, ulProgress, ulProgressMax, BINDSTATUS_BEGINDOWNLOADDATA, This->url);
 877     }
 878
 879     if(grfBSCF & BSCF_LASTDATANOTIFICATION)
 880         on_progress(This, ulProgress, ulProgressMax, BINDSTATUS_ENDDOWNLOADDATA, This->url);
 881
 882     if(grfBSCF & BSCF_FIRSTDATANOTIFICATION)
 883         IInternetProtocol_LockRequest(This->protocol, 0);
 884
 885     on_data_available(This, grfBSCF);
 886
 887     if(grfBSCF & BSCF_LASTDATANOTIFICATION)
 888         IBindStatusCallback_OnStopBinding(This->callback, S_OK, NULL);
 889
 890     return S_OK;
 891 }
 892
 893 static HRESULT WINAPI InternetProtocolSink_ReportResult(IInternetProtocolSink *iface,
 894         HRESULT hrResult, DWORD dwError, LPCWSTR szResult)
 895 {
 896     Binding *This = PROTSINK_THIS(iface);
 897
 898     TRACE("(%p)->(%08lx %ld %s)\n", This, hrResult, dwError, debugstr_w(szResult));
 899
 900     IInternetProtocol_Terminate(This->protocol, 0);
 901     return S_OK;
 902 }
 903
 904 #undef PROTSINK_THIS
 905
 906 static const IInternetProtocolSinkVtbl InternetProtocolSinkVtbl = {
 907     InternetProtocolSink_QueryInterface,
 908     InternetProtocolSink_AddRef,
 909     InternetProtocolSink_Release,
 910     InternetProtocolSink_Switch,
 911     InternetProtocolSink_ReportProgress,
 912     InternetProtocolSink_ReportData,
 913     InternetProtocolSink_ReportResult
 914 };
 915
 916 #define BINDINF_THIS(iface) DEFINE_THIS(Binding, InternetBindInfo, iface)
 917
 918 static HRESULT WINAPI InternetBindInfo_QueryInterface(IInternetBindInfo *iface,
 919         REFIID riid, void **ppv)
 920 {
 921     Binding *This = BINDINF_THIS(iface);
 922     return IBinding_QueryInterface(BINDING(This), riid, ppv);
 923 }
 924
 925 static ULONG WINAPI InternetBindInfo_AddRef(IInternetBindInfo *iface)
 926 {
 927     Binding *This = BINDINF_THIS(iface);
 928     return IBinding_AddRef(BINDING(This));
 929 }
 930
 931 static ULONG WINAPI InternetBindInfo_Release(IInternetBindInfo *iface)
 932 {
 933     Binding *This = BINDINF_THIS(iface);
 934     return IBinding_Release(BINDING(This));
 935 }
 936
 937 static HRESULT WINAPI InternetBindInfo_GetBindInfo(IInternetBindInfo *iface,
 938         DWORD *grfBINDF, BINDINFO *pbindinfo)
 939 {
 940     Binding *This = BINDINF_THIS(iface);
 941
 942     TRACE("(%p)->(%p %p)\n", This, grfBINDF, pbindinfo);
 943
 944     *grfBINDF = This->bindf;
 945
 946     memcpy(pbindinfo, &This->bindinfo, sizeof(BINDINFO));
 947
 948     if(pbindinfo->szExtraInfo || pbindinfo->szCustomVerb)
 949         FIXME("copy strings\n");
 950
 951     if(pbindinfo->pUnk)
 952         IUnknown_AddRef(pbindinfo->pUnk);
 953
 954     return S_OK;
 955 }
 956
 957 static HRESULT WINAPI InternetBindInfo_GetBindString(IInternetBindInfo *iface,
 958         ULONG ulStringType, LPOLESTR *ppwzStr, ULONG cEl, ULONG *pcElFetched)
 959 {
 960     Binding *This = BINDINF_THIS(iface);
 961
 962     TRACE("(%p)->(%ld %p %ld %p)\n", This, ulStringType, ppwzStr, cEl, pcElFetched);
 963
 964     switch(ulStringType) {
 965     case BINDSTRING_ACCEPT_MIMES: {
 966         static const WCHAR wszMimes[] = {'*','/','*',0};
 967
 968         if(!ppwzStr || !pcElFetched)
 969             return E_INVALIDARG;
 970
 971         ppwzStr[0] = CoTaskMemAlloc(sizeof(wszMimes));
 972         memcpy(ppwzStr[0], wszMimes, sizeof(wszMimes));
 973         *pcElFetched = 1;
 974         return S_OK;
 975     }
 976     case BINDSTRING_USER_AGENT: {
 977         IInternetBindInfo *bindinfo = NULL;
 978         HRESULT hres;
 979
 980         hres = IBindStatusCallback_QueryInterface(This->callback, &IID_IInternetBindInfo,
 981                                                   (void**)&bindinfo);
 982         if(FAILED(hres))
 983             return hres;
 984
 985         hres = IInternetBindInfo_GetBindString(bindinfo, ulStringType, ppwzStr,
 986                                                cEl, pcElFetched);
 987         IInternetBindInfo_Release(bindinfo);
 988
 989         return hres;
 990     }
 991     }
 992
 993     FIXME("not supported string type %ld\n", ulStringType);
 994     return E_NOTIMPL;
 995 }
 996
 997 #undef BINDF_THIS
 998
 999 static const IInternetBindInfoVtbl InternetBindInfoVtbl = {
1000     InternetBindInfo_QueryInterface,
1001     InternetBindInfo_AddRef,
1002     InternetBindInfo_Release,
1003     InternetBindInfo_GetBindInfo,
1004     InternetBindInfo_GetBindString
1005 };
1006
1007 #define SERVPROV_THIS(iface) DEFINE_THIS(Binding, ServiceProvider, iface)
1008
1009 static HRESULT WINAPI ServiceProvider_QueryInterface(IServiceProvider *iface,
1010         REFIID riid, void **ppv)
1011 {
1012     Binding *This = SERVPROV_THIS(iface);
1013     return IBinding_QueryInterface(BINDING(This), riid, ppv);
1014 }
1015
1016 static ULONG WINAPI ServiceProvider_AddRef(IServiceProvider *iface)
1017 {
1018     Binding *This = SERVPROV_THIS(iface);
1019     return IBinding_AddRef(BINDING(This));
1020 }
1021
1022 static ULONG WINAPI ServiceProvider_Release(IServiceProvider *iface)
1023 {
1024     Binding *This = SERVPROV_THIS(iface);
1025     return IBinding_Release(BINDING(This));
1026 }
1027
1028 static HRESULT WINAPI ServiceProvider_QueryService(IServiceProvider *iface,
1029         REFGUID guidService, REFIID riid, void **ppv)
1030 {
1031     Binding *This = SERVPROV_THIS(iface);
1032     HRESULT hres;
1033
1034     TRACE("(%p)->(%s %s %p)\n", This, debugstr_guid(guidService), debugstr_guid(riid), ppv);
1035
1036     if(This->service_provider) {
1037         hres = IServiceProvider_QueryService(This->service_provider, guidService,
1038                                              riid, ppv);
1039         if(SUCCEEDED(hres))
1040             return hres;
1041     }
1042
1043     if(IsEqualGUID(&IID_IHttpNegotiate, guidService)
1044        || IsEqualGUID(&IID_IHttpNegotiate2, guidService))
1045         return IHttpNegotiate2_QueryInterface(&HttpNegotiate, riid, ppv);
1046
1047     WARN("unknown service %s\n", debugstr_guid(guidService));
1048     return E_NOTIMPL;
1049 }
1050
1051 #undef SERVPROV_THIS
1052
1053 static const IServiceProviderVtbl ServiceProviderVtbl = {
1054     ServiceProvider_QueryInterface,
1055     ServiceProvider_AddRef,
1056     ServiceProvider_Release,
1057     ServiceProvider_QueryService
1058 };
1059
1060 static HRESULT get_callback(IBindCtx *pbc, IBindStatusCallback **callback)
1061 {
1062     HRESULT hres;
1063
1064     static WCHAR wszBSCBHolder[] = { '_','B','S','C','B','_','H','o','l','d','e','r','_',0 };
1065
1066     hres = IBindCtx_GetObjectParam(pbc, wszBSCBHolder, (IUnknown**)callback);
1067     if(FAILED(hres))
1068         return MK_E_SYNTAX;
1069
1070     return S_OK;
1071 }
1072
1073 static HRESULT get_protocol(Binding *This, LPCWSTR url)
1074 {
1075     IClassFactory *cf = NULL;
1076     HRESULT hres;
1077
1078     hres = IBindStatusCallback_QueryInterface(This->callback, &IID_IInternetProtocol,
1079             (void**)&This->protocol);
1080     if(SUCCEEDED(hres))
1081         return S_OK;
1082
1083     if(This->service_provider) {
1084         hres = IServiceProvider_QueryService(This->service_provider, &IID_IInternetProtocol,
1085                 &IID_IInternetProtocol, (void**)&This->protocol);
1086         if(SUCCEEDED(hres))
1087             return S_OK;
1088     }
1089
1090     hres = get_protocol_handler(url, &cf);
1091     if(FAILED(hres))
1092         return hres;
1093
1094     hres = IClassFactory_CreateInstance(cf, NULL, &IID_IInternetProtocol, (void**)&This->protocol);
1095     IClassFactory_Release(cf);
1096
1097     return hres;
1098 }
1099
1100 static HRESULT Binding_Create(LPCWSTR url, IBindCtx *pbc, REFIID riid, Binding **binding)
1101 {
1102     Binding *ret;
1103     int len;
1104     HRESULT hres;
1105
1106     static const WCHAR wszFile[] = {'f','i','l','e',':'};
1107
1108     if(!IsEqualGUID(&IID_IStream, riid)) {
1109         FIXME("Unsupported riid %s\n", debugstr_guid(riid));
1110         return E_NOTIMPL;
1111     }
1112
1113     URLMON_LockModule();
1114
1115     ret = HeapAlloc(GetProcessHeap(), 0, sizeof(Binding));
1116
1117     ret->lpBindingVtbl              = &BindingVtbl;
1118     ret->lpInternetProtocolSinkVtbl = &InternetProtocolSinkVtbl;
1119     ret->lpInternetBindInfoVtbl     = &InternetBindInfoVtbl;
1120     ret->lpServiceProviderVtbl      = &ServiceProviderVtbl;
1121
1122     ret->ref = 1;
1123
1124     ret->callback = NULL;
1125     ret->protocol = NULL;
1126     ret->service_provider = NULL;
1127     ret->stream = NULL;
1128     ret->mime = NULL;
1129     ret->url = NULL;
1130     ret->apartment_thread = GetCurrentThreadId();
1131     ret->notif_hwnd = get_notif_hwnd();
1132     ret->verified_mime = FALSE;
1133     ret->continue_call = 0;
1134     ret->task_queue_head = ret->task_queue_tail = NULL;
1135
1136     memset(&ret->bindinfo, 0, sizeof(BINDINFO));
1137     ret->bindinfo.cbSize = sizeof(BINDINFO);
1138     ret->bindf = 0;
1139
1140     InitializeCriticalSection(&ret->section);
1141
1142     hres = get_callback(pbc, &ret->callback);
1143     if(FAILED(hres)) {
1144         WARN("Could not get IBindStatusCallback\n");
1145         IBinding_Release(BINDING(ret));
1146         return hres;
1147     }
1148
1149     IBindStatusCallback_QueryInterface(ret->callback, &IID_IServiceProvider,
1150                                        (void**)&ret->service_provider);
1151
1152     hres = get_protocol(ret, url);
1153     if(FAILED(hres)) {
1154         WARN("Could not get protocol handler\n");
1155         IBinding_Release(BINDING(ret));
1156         return hres;
1157     }
1158
1159     hres = IBindStatusCallback_GetBindInfo(ret->callback, &ret->bindf, &ret->bindinfo);
1160     if(FAILED(hres)) {
1161         WARN("GetBindInfo failed: %08lx\n", hres);
1162         IBinding_Release(BINDING(ret));
1163         return hres;
1164     }
1165
1166     dump_BINDINFO(&ret->bindinfo);
1167
1168     ret->bindf |= BINDF_FROMURLMON;
1169
1170     len = strlenW(url)+1;
1171
1172     if(len < sizeof(wszFile)/sizeof(WCHAR) || memcmp(wszFile, url, sizeof(wszFile)))
1173         ret->bindf |= BINDF_NEEDFILE;
1174
1175     ret->url = HeapAlloc(GetProcessHeap(), 0, len*sizeof(WCHAR));
1176     memcpy(ret->url, url, len*sizeof(WCHAR));
1177
1178     ret->stream = create_stream(ret->protocol);
1179     ret->stgmed.tymed = TYMED_ISTREAM;
1180     ret->stgmed.u.pstm = STREAM(ret->stream);
1181     ret->stgmed.pUnkForRelease = (IUnknown*)BINDING(ret); /* NOTE: Windows uses other IUnknown */
1182
1183     *binding = ret;
1184     return S_OK;
1185 }
1186
1187 HRESULT start_binding(LPCWSTR url, IBindCtx *pbc, REFIID riid, void **ppv)
1188 {
1189     Binding *binding = NULL;
1190     HRESULT hres;
1191
1192     *ppv = NULL;
1193
1194     hres = Binding_Create(url, pbc, riid, &binding);
1195     if(FAILED(hres))
1196         return hres;
1197
1198     hres = IBindStatusCallback_OnStartBinding(binding->callback, 0, BINDING(binding));
1199     if(FAILED(hres)) {
1200         WARN("OnStartBinding failed: %08lx\n", hres);
1201         IBindStatusCallback_OnStopBinding(binding->callback, 0x800c0008, NULL);
1202         IBinding_Release(BINDING(binding));
1203         return hres;
1204     }
1205
1206     hres = IInternetProtocol_Start(binding->protocol, url, PROTSINK(binding),
1207              BINDINF(binding), 0, 0);
1208
1209     if(FAILED(hres)) {
1210         WARN("Start failed: %08lx\n", hres);
1211
1212         IInternetProtocol_Terminate(binding->protocol, 0);
1213         IBindStatusCallback_OnStopBinding(binding->callback, S_OK, NULL);
1214         IBinding_Release(BINDING(binding));
1215
1216         return hres;
1217     }
1218
1219     if(binding->stream->init_buf) {
1220         IInternetProtocol_UnlockRequest(binding->protocol);
1221
1222         IStream_AddRef(STREAM(binding->stream));
1223         *ppv = binding->stream;
1224
1225         hres = S_OK;
1226     }else {
1227         hres = MK_S_ASYNCHRONOUS;
1228     }
1229
1230     IBinding_Release(BINDING(binding));
1231
1232     return hres;
1233 }