dlls/qmgr/job.c

   1 /*
   2  * Background Copy Job Interface for BITS
   3  *
   4  * Copyright 2007 Google (Roy Shea)
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  19  */
  20
  21 #include <stdarg.h>
  22
  23 #include "windef.h"
  24 #include "winbase.h"
  25
  26 #include "qmgr.h"
  27 #include "wine/debug.h"
  28
  29 WINE_DEFAULT_DEBUG_CHANNEL(qmgr);
  30
  31 static void BackgroundCopyJobDestructor(BackgroundCopyJobImpl *This)
  32 {
  33     DeleteCriticalSection(&This->cs);
  34     HeapFree(GetProcessHeap(), 0, This->displayName);
  35     HeapFree(GetProcessHeap(), 0, This);
  36 }
  37
  38 static ULONG WINAPI BITS_IBackgroundCopyJob_AddRef(IBackgroundCopyJob2 *iface)
  39 {
  40     BackgroundCopyJobImpl *This = (BackgroundCopyJobImpl *) iface;
  41     return InterlockedIncrement(&This->ref);
  42 }
  43
  44 static HRESULT WINAPI BITS_IBackgroundCopyJob_QueryInterface(
  45     IBackgroundCopyJob2 *iface, REFIID riid, LPVOID *ppvObject)
  46 {
  47     BackgroundCopyJobImpl *This = (BackgroundCopyJobImpl *) iface;
  48     TRACE("IID: %s\n", debugstr_guid(riid));
  49
  50     if (IsEqualGUID(riid, &IID_IUnknown)
  51         || IsEqualGUID(riid, &IID_IBackgroundCopyJob)
  52         || IsEqualGUID(riid, &IID_IBackgroundCopyJob2))
  53     {
  54         *ppvObject = &This->lpVtbl;
  55         BITS_IBackgroundCopyJob_AddRef(iface);
  56         return S_OK;
  57     }
  58
  59     *ppvObject = NULL;
  60     return E_NOINTERFACE;
  61 }
  62
  63 static ULONG WINAPI BITS_IBackgroundCopyJob_Release(IBackgroundCopyJob2 *iface)
  64 {
  65     BackgroundCopyJobImpl *This = (BackgroundCopyJobImpl *) iface;
  66     ULONG ref = InterlockedDecrement(&This->ref);
  67
  68     if (ref == 0)
  69         BackgroundCopyJobDestructor(This);
  70
  71     return ref;
  72 }
  73
  74 /*** IBackgroundCopyJob methods ***/
  75
  76 static HRESULT WINAPI BITS_IBackgroundCopyJob_AddFileSet(
  77     IBackgroundCopyJob2 *iface,
  78     ULONG cFileCount,
  79     BG_FILE_INFO *pFileSet)
  80 {
  81     ULONG i;
  82     for (i = 0; i < cFileCount; ++i)
  83     {
  84         HRESULT hr = IBackgroundCopyJob_AddFile(iface, pFileSet[i].RemoteName,
  85                                                 pFileSet[i].LocalName);
  86         if (!SUCCEEDED(hr))
  87             return hr;
  88     }
  89     return S_OK;
  90 }
  91
  92 static HRESULT WINAPI BITS_IBackgroundCopyJob_AddFile(
  93     IBackgroundCopyJob2 *iface,
  94     LPCWSTR RemoteUrl,
  95     LPCWSTR LocalName)
  96 {
  97     BackgroundCopyJobImpl *This = (BackgroundCopyJobImpl *) iface;
  98     IBackgroundCopyFile *pFile;
  99     BackgroundCopyFileImpl *file;
 100     HRESULT res;
 101
 102     /* We should return E_INVALIDARG in these cases.  */
 103     FIXME("Check for valid filenames and supported protocols\n");
 104
 105     res = BackgroundCopyFileConstructor(This, RemoteUrl, LocalName, (LPVOID *) &pFile);
 106     if (res != S_OK)
 107         return res;
 108
 109     /* Add a reference to the file to file list */
 110     IBackgroundCopyFile_AddRef(pFile);
 111     file = (BackgroundCopyFileImpl *) pFile;
 112     EnterCriticalSection(&This->cs);
 113     list_add_head(&This->files, &file->entryFromJob);
 114     This->jobProgress.BytesTotal = BG_SIZE_UNKNOWN;
 115     ++This->jobProgress.FilesTotal;
 116     LeaveCriticalSection(&This->cs);
 117
 118     return S_OK;
 119 }
 120
 121 static HRESULT WINAPI BITS_IBackgroundCopyJob_EnumFiles(
 122     IBackgroundCopyJob2 *iface,
 123     IEnumBackgroundCopyFiles **ppEnum)
 124 {
 125     TRACE("\n");
 126     return EnumBackgroundCopyFilesConstructor((LPVOID *) ppEnum, iface);
 127 }
 128
 129 static HRESULT WINAPI BITS_IBackgroundCopyJob_Suspend(
 130     IBackgroundCopyJob2 *iface)
 131 {
 132     FIXME("Not implemented\n");
 133     return E_NOTIMPL;
 134 }
 135
 136 static HRESULT WINAPI BITS_IBackgroundCopyJob_Resume(
 137     IBackgroundCopyJob2 *iface)
 138 {
 139     BackgroundCopyJobImpl *This = (BackgroundCopyJobImpl *) iface;
 140     HRESULT rv = S_OK;
 141
 142     EnterCriticalSection(&globalMgr.cs);
 143     if (This->state == BG_JOB_STATE_CANCELLED
 144         || This->state == BG_JOB_STATE_ACKNOWLEDGED)
 145     {
 146         rv = BG_E_INVALID_STATE;
 147     }
 148     else if (This->jobProgress.FilesTransferred == This->jobProgress.FilesTotal)
 149     {
 150         rv = BG_E_EMPTY;
 151     }
 152     else if (This->state != BG_JOB_STATE_CONNECTING
 153              && This->state != BG_JOB_STATE_TRANSFERRING)
 154     {
 155         This->state = BG_JOB_STATE_QUEUED;
 156         SetEvent(globalMgr.jobEvent);
 157     }
 158     LeaveCriticalSection(&globalMgr.cs);
 159
 160     return rv;
 161 }
 162
 163 static HRESULT WINAPI BITS_IBackgroundCopyJob_Cancel(
 164     IBackgroundCopyJob2 *iface)
 165 {
 166     FIXME("Not implemented\n");
 167     return E_NOTIMPL;
 168 }
 169
 170 static HRESULT WINAPI BITS_IBackgroundCopyJob_Complete(
 171     IBackgroundCopyJob2 *iface)
 172 {
 173     BackgroundCopyJobImpl *This = (BackgroundCopyJobImpl *) iface;
 174     HRESULT rv = S_OK;
 175
 176     EnterCriticalSection(&This->cs);
 177
 178     if (This->state == BG_JOB_STATE_CANCELLED
 179         || This->state == BG_JOB_STATE_ACKNOWLEDGED)
 180     {
 181         rv = BG_E_INVALID_STATE;
 182     }
 183     else
 184     {
 185         BackgroundCopyFileImpl *file;
 186         LIST_FOR_EACH_ENTRY(file, &This->files, BackgroundCopyFileImpl, entryFromJob)
 187         {
 188             if (file->fileProgress.Completed)
 189             {
 190                 if (!MoveFileExW(file->tempFileName, file->info.LocalName,
 191                                  (MOVEFILE_COPY_ALLOWED
 192                                   | MOVEFILE_REPLACE_EXISTING
 193                                   | MOVEFILE_WRITE_THROUGH)))
 194                 {
 195                     ERR("Couldn't rename file %s -> %s\n",
 196                         debugstr_w(file->tempFileName),
 197                         debugstr_w(file->info.LocalName));
 198                     rv = BG_S_PARTIAL_COMPLETE;
 199                 }
 200             }
 201             else
 202                 rv = BG_S_PARTIAL_COMPLETE;
 203         }
 204     }
 205
 206     This->state = BG_JOB_STATE_ACKNOWLEDGED;
 207     LeaveCriticalSection(&This->cs);
 208
 209     return rv;
 210 }
 211
 212 static HRESULT WINAPI BITS_IBackgroundCopyJob_GetId(
 213     IBackgroundCopyJob2 *iface,
 214     GUID *pVal)
 215 {
 216     BackgroundCopyJobImpl *This = (BackgroundCopyJobImpl *) iface;
 217     *pVal = This->jobId;
 218     return S_OK;
 219 }
 220
 221 static HRESULT WINAPI BITS_IBackgroundCopyJob_GetType(
 222     IBackgroundCopyJob2 *iface,
 223     BG_JOB_TYPE *pVal)
 224 {
 225     BackgroundCopyJobImpl *This = (BackgroundCopyJobImpl *) iface;
 226
 227     if (!pVal)
 228         return E_INVALIDARG;
 229
 230     *pVal = This->type;
 231     return S_OK;
 232 }
 233
 234 static HRESULT WINAPI BITS_IBackgroundCopyJob_GetProgress(
 235     IBackgroundCopyJob2 *iface,
 236     BG_JOB_PROGRESS *pVal)
 237 {
 238     BackgroundCopyJobImpl *This = (BackgroundCopyJobImpl *) iface;
 239
 240     if (!pVal)
 241         return E_INVALIDARG;
 242
 243     EnterCriticalSection(&This->cs);
 244     pVal->BytesTotal = This->jobProgress.BytesTotal;
 245     pVal->BytesTransferred = This->jobProgress.BytesTransferred;
 246     pVal->FilesTotal = This->jobProgress.FilesTotal;
 247     pVal->FilesTransferred = This->jobProgress.FilesTransferred;
 248     LeaveCriticalSection(&This->cs);
 249
 250     return S_OK;
 251 }
 252
 253 static HRESULT WINAPI BITS_IBackgroundCopyJob_GetTimes(
 254     IBackgroundCopyJob2 *iface,
 255     BG_JOB_TIMES *pVal)
 256 {
 257     FIXME("Not implemented\n");
 258     return E_NOTIMPL;
 259 }
 260
 261 static HRESULT WINAPI BITS_IBackgroundCopyJob_GetState(
 262     IBackgroundCopyJob2 *iface,
 263     BG_JOB_STATE *pVal)
 264 {
 265     BackgroundCopyJobImpl *This = (BackgroundCopyJobImpl *) iface;
 266
 267     if (!pVal)
 268         return E_INVALIDARG;
 269
 270     /* Don't think we need a critical section for this */
 271     *pVal = This->state;
 272     return S_OK;
 273 }
 274
 275 static HRESULT WINAPI BITS_IBackgroundCopyJob_GetError(
 276     IBackgroundCopyJob2 *iface,
 277     IBackgroundCopyError **ppError)
 278 {
 279     FIXME("Not implemented\n");
 280     return E_NOTIMPL;
 281 }
 282
 283 static HRESULT WINAPI BITS_IBackgroundCopyJob_GetOwner(
 284     IBackgroundCopyJob2 *iface,
 285     LPWSTR *pVal)
 286 {
 287     FIXME("Not implemented\n");
 288     return E_NOTIMPL;
 289 }
 290
 291 static HRESULT WINAPI BITS_IBackgroundCopyJob_SetDisplayName(
 292     IBackgroundCopyJob2 *iface,
 293     LPCWSTR Val)
 294 {
 295     FIXME("Not implemented\n");
 296     return E_NOTIMPL;
 297 }
 298
 299 static HRESULT WINAPI BITS_IBackgroundCopyJob_GetDisplayName(
 300     IBackgroundCopyJob2 *iface,
 301     LPWSTR *pVal)
 302 {
 303     BackgroundCopyJobImpl *This = (BackgroundCopyJobImpl *) iface;
 304     int n;
 305
 306     if (!pVal)
 307         return E_INVALIDARG;
 308
 309     n = (lstrlenW(This->displayName) + 1) * sizeof **pVal;
 310     *pVal = CoTaskMemAlloc(n);
 311     if (*pVal == NULL)
 312         return E_OUTOFMEMORY;
 313     memcpy(*pVal, This->displayName, n);
 314     return S_OK;
 315 }
 316
 317 static HRESULT WINAPI BITS_IBackgroundCopyJob_SetDescription(
 318     IBackgroundCopyJob2 *iface,
 319     LPCWSTR Val)
 320 {
 321     FIXME("Not implemented\n");
 322     return E_NOTIMPL;
 323 }
 324
 325 static HRESULT WINAPI BITS_IBackgroundCopyJob_GetDescription(
 326     IBackgroundCopyJob2 *iface,
 327     LPWSTR *pVal)
 328 {
 329     FIXME("Not implemented\n");
 330     return E_NOTIMPL;
 331 }
 332
 333 static HRESULT WINAPI BITS_IBackgroundCopyJob_SetPriority(
 334     IBackgroundCopyJob2 *iface,
 335     BG_JOB_PRIORITY Val)
 336 {
 337     FIXME("Not implemented\n");
 338     return E_NOTIMPL;
 339 }
 340
 341 static HRESULT WINAPI BITS_IBackgroundCopyJob_GetPriority(
 342     IBackgroundCopyJob2 *iface,
 343     BG_JOB_PRIORITY *pVal)
 344 {
 345     FIXME("Not implemented\n");
 346     return E_NOTIMPL;
 347 }
 348
 349 static HRESULT WINAPI BITS_IBackgroundCopyJob_SetNotifyFlags(
 350     IBackgroundCopyJob2 *iface,
 351     ULONG Val)
 352 {
 353     FIXME("Not implemented\n");
 354     return E_NOTIMPL;
 355 }
 356
 357 static HRESULT WINAPI BITS_IBackgroundCopyJob_GetNotifyFlags(
 358     IBackgroundCopyJob2 *iface,
 359     ULONG *pVal)
 360 {
 361     FIXME("Not implemented\n");
 362     return E_NOTIMPL;
 363 }
 364
 365 static HRESULT WINAPI BITS_IBackgroundCopyJob_SetNotifyInterface(
 366     IBackgroundCopyJob2 *iface,
 367     IUnknown *Val)
 368 {
 369     FIXME("Not implemented\n");
 370     return E_NOTIMPL;
 371 }
 372
 373 static HRESULT WINAPI BITS_IBackgroundCopyJob_GetNotifyInterface(
 374     IBackgroundCopyJob2 *iface,
 375     IUnknown **pVal)
 376 {
 377     FIXME("Not implemented\n");
 378     return E_NOTIMPL;
 379 }
 380
 381 static HRESULT WINAPI BITS_IBackgroundCopyJob_SetMinimumRetryDelay(
 382     IBackgroundCopyJob2 *iface,
 383     ULONG Seconds)
 384 {
 385     FIXME("Not implemented\n");
 386     return E_NOTIMPL;
 387 }
 388
 389 static HRESULT WINAPI BITS_IBackgroundCopyJob_GetMinimumRetryDelay(
 390     IBackgroundCopyJob2 *iface,
 391     ULONG *Seconds)
 392 {
 393     FIXME("Not implemented\n");
 394     return E_NOTIMPL;
 395 }
 396
 397 static HRESULT WINAPI BITS_IBackgroundCopyJob_SetNoProgressTimeout(
 398     IBackgroundCopyJob2 *iface,
 399     ULONG Seconds)
 400 {
 401     FIXME("Not implemented\n");
 402     return E_NOTIMPL;
 403 }
 404
 405 static HRESULT WINAPI BITS_IBackgroundCopyJob_GetNoProgressTimeout(
 406     IBackgroundCopyJob2 *iface,
 407     ULONG *Seconds)
 408 {
 409     FIXME("Not implemented\n");
 410     return E_NOTIMPL;
 411 }
 412
 413 static HRESULT WINAPI BITS_IBackgroundCopyJob_GetErrorCount(
 414     IBackgroundCopyJob2 *iface,
 415     ULONG *Errors)
 416 {
 417     FIXME("Not implemented\n");
 418     return E_NOTIMPL;
 419 }
 420
 421 static HRESULT WINAPI BITS_IBackgroundCopyJob_SetProxySettings(
 422     IBackgroundCopyJob2 *iface,
 423     BG_JOB_PROXY_USAGE ProxyUsage,
 424     const WCHAR *ProxyList,
 425     const WCHAR *ProxyBypassList)
 426 {
 427     FIXME("Not implemented\n");
 428     return E_NOTIMPL;
 429 }
 430
 431 static HRESULT WINAPI BITS_IBackgroundCopyJob_GetProxySettings(
 432     IBackgroundCopyJob2 *iface,
 433     BG_JOB_PROXY_USAGE *pProxyUsage,
 434     LPWSTR *pProxyList,
 435     LPWSTR *pProxyBypassList)
 436 {
 437     FIXME("Not implemented\n");
 438     return E_NOTIMPL;
 439 }
 440
 441 static HRESULT WINAPI BITS_IBackgroundCopyJob_TakeOwnership(
 442     IBackgroundCopyJob2 *iface)
 443 {
 444     FIXME("Not implemented\n");
 445     return E_NOTIMPL;
 446 }
 447
 448 static HRESULT WINAPI BITS_IBackgroundCopyJob_SetNotifyCmdLine(
 449     IBackgroundCopyJob2 *iface,
 450     LPCWSTR prog,
 451     LPCWSTR params)
 452 {
 453     FIXME("Not implemented\n");
 454     return E_NOTIMPL;
 455 }
 456
 457 static HRESULT WINAPI BITS_IBackgroundCopyJob_GetNotifyCmdLine(
 458     IBackgroundCopyJob2 *iface,
 459     LPWSTR *prog,
 460     LPWSTR *params)
 461 {
 462     FIXME("Not implemented\n");
 463     return E_NOTIMPL;
 464 }
 465
 466 static HRESULT WINAPI BITS_IBackgroundCopyJob_GetReplyProgress(
 467     IBackgroundCopyJob2 *iface,
 468     BG_JOB_REPLY_PROGRESS *progress)
 469 {
 470     FIXME("Not implemented\n");
 471     return E_NOTIMPL;
 472 }
 473
 474 static HRESULT WINAPI BITS_IBackgroundCopyJob_GetReplyData(
 475     IBackgroundCopyJob2 *iface,
 476     byte **pBuffer,
 477     UINT64 *pLength)
 478 {
 479     FIXME("Not implemented\n");
 480     return E_NOTIMPL;
 481 }
 482
 483 static HRESULT WINAPI BITS_IBackgroundCopyJob_SetReplyFileName(
 484     IBackgroundCopyJob2 *iface,
 485     LPCWSTR filename)
 486 {
 487     FIXME("Not implemented\n");
 488     return E_NOTIMPL;
 489 }
 490
 491 static HRESULT WINAPI BITS_IBackgroundCopyJob_GetReplyFileName(
 492     IBackgroundCopyJob2 *iface,
 493     LPWSTR *pFilename)
 494 {
 495     FIXME("Not implemented\n");
 496     return E_NOTIMPL;
 497 }
 498
 499 static HRESULT WINAPI BITS_IBackgroundCopyJob_SetCredentials(
 500     IBackgroundCopyJob2 *iface,
 501     BG_AUTH_CREDENTIALS *cred)
 502 {
 503     FIXME("Not implemented\n");
 504     return E_NOTIMPL;
 505 }
 506
 507 static HRESULT WINAPI BITS_IBackgroundCopyJob_RemoveCredentials(
 508     IBackgroundCopyJob2 *iface,
 509     BG_AUTH_TARGET target,
 510     BG_AUTH_SCHEME scheme)
 511 {
 512     FIXME("Not implemented\n");
 513     return E_NOTIMPL;
 514 }
 515
 516 static const IBackgroundCopyJob2Vtbl BITS_IBackgroundCopyJob_Vtbl =
 517 {
 518     BITS_IBackgroundCopyJob_QueryInterface,
 519     BITS_IBackgroundCopyJob_AddRef,
 520     BITS_IBackgroundCopyJob_Release,
 521     BITS_IBackgroundCopyJob_AddFileSet,
 522     BITS_IBackgroundCopyJob_AddFile,
 523     BITS_IBackgroundCopyJob_EnumFiles,
 524     BITS_IBackgroundCopyJob_Suspend,
 525     BITS_IBackgroundCopyJob_Resume,
 526     BITS_IBackgroundCopyJob_Cancel,
 527     BITS_IBackgroundCopyJob_Complete,
 528     BITS_IBackgroundCopyJob_GetId,
 529     BITS_IBackgroundCopyJob_GetType,
 530     BITS_IBackgroundCopyJob_GetProgress,
 531     BITS_IBackgroundCopyJob_GetTimes,
 532     BITS_IBackgroundCopyJob_GetState,
 533     BITS_IBackgroundCopyJob_GetError,
 534     BITS_IBackgroundCopyJob_GetOwner,
 535     BITS_IBackgroundCopyJob_SetDisplayName,
 536     BITS_IBackgroundCopyJob_GetDisplayName,
 537     BITS_IBackgroundCopyJob_SetDescription,
 538     BITS_IBackgroundCopyJob_GetDescription,
 539     BITS_IBackgroundCopyJob_SetPriority,
 540     BITS_IBackgroundCopyJob_GetPriority,
 541     BITS_IBackgroundCopyJob_SetNotifyFlags,
 542     BITS_IBackgroundCopyJob_GetNotifyFlags,
 543     BITS_IBackgroundCopyJob_SetNotifyInterface,
 544     BITS_IBackgroundCopyJob_GetNotifyInterface,
 545     BITS_IBackgroundCopyJob_SetMinimumRetryDelay,
 546     BITS_IBackgroundCopyJob_GetMinimumRetryDelay,
 547     BITS_IBackgroundCopyJob_SetNoProgressTimeout,
 548     BITS_IBackgroundCopyJob_GetNoProgressTimeout,
 549     BITS_IBackgroundCopyJob_GetErrorCount,
 550     BITS_IBackgroundCopyJob_SetProxySettings,
 551     BITS_IBackgroundCopyJob_GetProxySettings,
 552     BITS_IBackgroundCopyJob_TakeOwnership,
 553     BITS_IBackgroundCopyJob_SetNotifyCmdLine,
 554     BITS_IBackgroundCopyJob_GetNotifyCmdLine,
 555     BITS_IBackgroundCopyJob_GetReplyProgress,
 556     BITS_IBackgroundCopyJob_GetReplyData,
 557     BITS_IBackgroundCopyJob_SetReplyFileName,
 558     BITS_IBackgroundCopyJob_GetReplyFileName,
 559     BITS_IBackgroundCopyJob_SetCredentials,
 560     BITS_IBackgroundCopyJob_RemoveCredentials
 561 };
 562
 563 HRESULT BackgroundCopyJobConstructor(LPCWSTR displayName, BG_JOB_TYPE type,
 564                                      GUID *pJobId, LPVOID *ppObj)
 565 {
 566     HRESULT hr;
 567     BackgroundCopyJobImpl *This;
 568     int n;
 569
 570     TRACE("(%s,%d,%p)\n", debugstr_w(displayName), type, ppObj);
 571
 572     This = HeapAlloc(GetProcessHeap(), 0, sizeof *This);
 573     if (!This)
 574         return E_OUTOFMEMORY;
 575
 576     This->lpVtbl = &BITS_IBackgroundCopyJob_Vtbl;
 577     InitializeCriticalSection(&This->cs);
 578     This->ref = 1;
 579     This->type = type;
 580
 581     n = (lstrlenW(displayName) + 1) *  sizeof *displayName;
 582     This->displayName = HeapAlloc(GetProcessHeap(), 0, n);
 583     if (!This->displayName)
 584     {
 585         DeleteCriticalSection(&This->cs);
 586         HeapFree(GetProcessHeap(), 0, This);
 587         return E_OUTOFMEMORY;
 588     }
 589     memcpy(This->displayName, displayName, n);
 590
 591     hr = CoCreateGuid(&This->jobId);
 592     if (FAILED(hr))
 593     {
 594         DeleteCriticalSection(&This->cs);
 595         HeapFree(GetProcessHeap(), 0, This->displayName);
 596         HeapFree(GetProcessHeap(), 0, This);
 597         return hr;
 598     }
 599     *pJobId = This->jobId;
 600
 601     list_init(&This->files);
 602     This->jobProgress.BytesTotal = 0;
 603     This->jobProgress.BytesTransferred = 0;
 604     This->jobProgress.FilesTotal = 0;
 605     This->jobProgress.FilesTransferred = 0;
 606
 607     This->state = BG_JOB_STATE_SUSPENDED;
 608
 609     *ppObj = &This->lpVtbl;
 610     return S_OK;
 611 }
 612
 613 void processJob(BackgroundCopyJobImpl *job)
 614 {
 615     for (;;)
 616     {
 617         BackgroundCopyFileImpl *file;
 618         BOOL done = TRUE;
 619
 620         EnterCriticalSection(&job->cs);
 621         LIST_FOR_EACH_ENTRY(file, &job->files, BackgroundCopyFileImpl, entryFromJob)
 622             if (!file->fileProgress.Completed)
 623             {
 624                 done = FALSE;
 625                 break;
 626             }
 627         LeaveCriticalSection(&job->cs);
 628         if (done)
 629         {
 630             transitionJobState(job, BG_JOB_STATE_QUEUED, BG_JOB_STATE_TRANSFERRED);
 631             return;
 632         }
 633
 634         if (!processFile(file, job))
 635           return;
 636     }
 637 }