summaryrefslogtreecommitdiffstats
path: root/libk3b/projects/datacd/k3bdatajob.cpp
blob: c13cf75568fcd527842371704547b63d3769ce6f (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
/*
 *
 * $Id: k3bdatajob.cpp 690187 2007-07-20 09:18:03Z trueg $
 * Copyright (C) 2003 Sebastian Trueg <trueg@k3b.org>
 *
 * This file is part of the K3b project.
 * Copyright (C) 1998-2007 Sebastian Trueg <trueg@k3b.org>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 * See the file "COPYING" for the exact licensing terms.
 */


#include "k3bdatajob.h"
#include "k3bdatadoc.h"
#include "k3bisoimager.h"
#include "k3bmsinfofetcher.h"

#include <k3bcore.h>
#include <k3bglobals.h>
#include <k3bversion.h>
#include <k3bdevice.h>
#include <k3bdevicehandler.h>
#include <k3btoc.h>
#include <k3btrack.h>
#include <k3bdevicehandler.h>
#include <k3bexternalbinmanager.h>
#include <k3bcdrecordwriter.h>
#include <k3bcdrdaowriter.h>
#include <k3bglobalsettings.h>
#include <k3bactivepipe.h>
#include <k3bfilesplitter.h>
#include <k3bverificationjob.h>

#include <kprocess.h>
#include <kapplication.h>
#include <klocale.h>
#include <kstandarddirs.h>
#include <ktempfile.h>
#include <tdeio/global.h>
#include <tdeio/job.h>

#include <tqstring.h>
#include <tqstringlist.h>
#include <tqdatetime.h>
#include <tqfile.h>
#include <tqdatastream.h>
#include <kdebug.h>



class K3bDataJob::Private
{
public:
  Private()
    : usedWritingApp(K3b::CDRECORD),
      verificationJob(0) {
  }

  K3bDataDoc* doc;

  bool initializingImager;
  bool imageFinished;
  bool canceled;

  KTempFile* tocFile;

  int usedDataMode;
  int usedWritingApp;
  int usedWritingMode;
  K3bDataDoc::MultiSessionMode usedMultiSessionMode;

  int copies;
  int copiesDone;

  K3bVerificationJob* verificationJob;

  K3bFileSplitter imageFile;
  K3bActivePipe pipe;
};


K3bDataJob::K3bDataJob( K3bDataDoc* doc, K3bJobHandler* hdl, TQObject* parent )
  : K3bBurnJob( hdl, parent )
{
  d = new Private;

  d->doc = doc;
  m_writerJob = 0;
  d->tocFile = 0;

  m_isoImager = 0;

  m_msInfoFetcher = new K3bMsInfoFetcher( this, this );
  connect( m_msInfoFetcher, TQT_SIGNAL(finished(bool)), this, TQT_SLOT(slotMsInfoFetched(bool)) );
  connect( m_msInfoFetcher, TQT_SIGNAL(infoMessage(const TQString&, int)), this, TQT_SIGNAL(infoMessage(const TQString&, int)) );
  connect( m_msInfoFetcher, TQT_SIGNAL(debuggingOutput(const TQString&, const TQString&)),
	   this, TQT_SIGNAL(debuggingOutput(const TQString&, const TQString&)) );

  d->imageFinished = true;
}

K3bDataJob::~K3bDataJob()
{
  delete d->tocFile;
  delete d;
}


K3bDoc* K3bDataJob::doc() const
{
  return d->doc;
}


K3bDevice::Device* K3bDataJob::writer() const
{
  if( doc()->onlyCreateImages() )
    return 0; // no writer needed -> no blocking on K3bBurnJob
  else
    return doc()->burner();
}


void K3bDataJob::start()
{
  jobStarted();

  d->canceled = false;
  d->imageFinished = false;
  d->copies = d->doc->copies();
  d->copiesDone = 0;
  d->usedMultiSessionMode = d->doc->multiSessionMode();

  prepareImager();

  if( d->doc->dummy() ) {
    d->doc->setVerifyData( false );
    d->copies = 1;
  }

  emit newTask( i18n("Preparing data") );

  // there is no harm in setting these even if we write on-the-fly
  d->imageFile.setName( d->doc->tempDir() );
  d->pipe.readFromIODevice( &d->imageFile );

  if( d->usedMultiSessionMode == K3bDataDoc::AUTO && !d->doc->onlyCreateImages() )
    determineMultiSessionMode();
  else
    prepareWriting();
}


void K3bDataJob::prepareWriting()
{
  if( !d->doc->onlyCreateImages() &&
      ( d->usedMultiSessionMode == K3bDataDoc::CONTINUE ||
	d->usedMultiSessionMode == K3bDataDoc::FINISH ) ) {
    // no sense continuing the same session twice
    // FIXME: why not?
    d->copies = 1;

    m_msInfoFetcher->setDevice( d->doc->burner() );

    if( !waitForMedium() ) {
      cancel();
      return;
    }

    if( K3b::isMounted( d->doc->burner() ) ) {
      emit infoMessage( i18n("Unmounting disk"), INFO );
      K3b::unmount( d->doc->burner() );
    }

    m_msInfoFetcher->start();
  }
  else {
    m_isoImager->setMultiSessionInfo( TQString() );
    prepareData();

    d->initializingImager = true;
    m_isoImager->init();
  }
}


void K3bDataJob::slotMsInfoFetched(bool success)
{
  if( success ) {
    // we call this here since in ms mode we might want to check
    // the last track's datamode
    prepareData();

    if( d->usedWritingApp == K3b::CDRDAO )  // cdrdao seems to write a 150 blocks pregap that is not used by cdrecord
      m_isoImager->setMultiSessionInfo( TQString("%1,%2").arg(m_msInfoFetcher->lastSessionStart()).arg(m_msInfoFetcher->nextSessionStart()+150), d->doc->burner() );
    else
      m_isoImager->setMultiSessionInfo( m_msInfoFetcher->msInfo(), d->doc->burner() );

    d->initializingImager = true;
    m_isoImager->init();
  }
  else {
    // the MsInfoFetcher already emitted failure info
    cancelAll();
    jobFinished( false );
  }
}


void K3bDataJob::writeImage()
{
  d->initializingImager = false;

  emit burning(false);

  // get image file path
  if( d->doc->tempDir().isEmpty() )
    d->doc->setTempDir( K3b::findUniqueFilePrefix( d->doc->isoOptions().volumeID() ) + ".iso" );

  // TODO: check if the image file is part of the project and if so warn the user
  //       and append some number to make the path unique.

  emit newTask( i18n("Creating image file") );
  emit newSubTask( i18n("Track 1 of 1") );
  emit infoMessage( i18n("Creating image file in %1").arg(d->doc->tempDir()), INFO );

  m_isoImager->writeToImageFile( d->doc->tempDir() );
  m_isoImager->start();
}


bool K3bDataJob::startOnTheFlyWriting()
{
  if( prepareWriterJob() ) {
    if( startWriterJob() ) {
      // try a direct connection between the processes
      if( m_writerJob->fd() != -1 )
	m_isoImager->writeToFd( m_writerJob->fd() );
      d->initializingImager = false;
      m_isoImager->start();
      return true;
    }
  }
  return false;
}


void K3bDataJob::cancel()
{
  emit infoMessage( i18n("Writing canceled."), K3bJob::ERROR );
  emit canceled();

  if( m_writerJob && m_writerJob->active() ) {
    //
    // lets wait for the writer job to finish
    // and let it finish the job for good.
    //
    cancelAll();
  }
  else {
    //
    // Just cancel all and return
    // This is bad design as we should wait for all subjobs to finish
    //
    cancelAll();
    jobFinished( false );
  }
}


void K3bDataJob::slotIsoImagerPercent( int p )
{
  if( d->doc->onlyCreateImages() ) {
    emit subPercent( p );
    emit percent( p );
  }
  else if( !d->doc->onTheFly() ) {
    double totalTasks = d->copies;
    double tasksDone = d->copiesDone; // =0 when creating an image
    if( d->doc->verifyData() ) {
      totalTasks*=2;
      tasksDone*=2;
    }
    if( !d->doc->onTheFly() ) {
      totalTasks+=1.0;
    }

    emit subPercent( p );
    emit percent( (int)((100.0*tasksDone + (double)p) / totalTasks) );
  }
}


void K3bDataJob::slotIsoImagerFinished( bool success )
{
  if( d->initializingImager ) {
    if( success ) {
      if( d->doc->onTheFly() && !d->doc->onlyCreateImages() ) {
	if( !startOnTheFlyWriting() ) {
	  cancelAll();
	  jobFinished( false );
	}
      }
      else {
	writeImage();
      }
    }
    else {
      if( m_isoImager->hasBeenCanceled() )
	emit canceled();
      jobFinished( false );
    }
  }
  else {
    // tell the writer that there won't be more data
    if( d->doc->onTheFly() && m_writerJob )
      m_writerJob->closeFd();

    if( !d->doc->onTheFly() ||
	d->doc->onlyCreateImages() ) {

      if( success ) {
	emit infoMessage( i18n("Image successfully created in %1").arg(d->doc->tempDir()), K3bJob::SUCCESS );
	d->imageFinished = true;

	if( d->doc->onlyCreateImages() ) {
	  jobFinished( true );
	}
	else {
	  if( prepareWriterJob() ) {
	    startWriterJob();
	    d->pipe.writeToFd( m_writerJob->fd(), true );
	    d->pipe.open(true);
	  }
	}
      }
      else {
	if( m_isoImager->hasBeenCanceled() )
	  emit canceled();
	else
	  emit infoMessage( i18n("Error while creating ISO image"), ERROR );

	cancelAll();
	jobFinished( false );
      }
    }
    else if( !success ) { // on-the-fly
      //
      // In case the imager failed let's make sure the writer does not emit an unusable
      // error message.
      //
      if( m_writerJob && m_writerJob->active() )
	m_writerJob->setSourceUnreadable( true );

      // there is one special case which we need to handle here: the iso imager might be canceled
      // FIXME: the iso imager should not be able to cancel itself
      if( m_isoImager->hasBeenCanceled() && !this->hasBeenCanceled() )
	cancel();
    }
  }
}


bool K3bDataJob::startWriterJob()
{
  if( d->doc->dummy() )
    emit newTask( i18n("Simulating") );
  else if( d->copies > 1 )
    emit newTask( i18n("Writing Copy %1").arg(d->copiesDone+1) );
  else
    emit newTask( i18n("Writing") );

  // if we append a new session we asked for an appendable cd already
  if( d->usedMultiSessionMode == K3bDataDoc::NONE ||
      d->usedMultiSessionMode == K3bDataDoc::START ) {

    if( !waitForMedium() ) {
      return false;
    }
  }

  emit burning(true);
  m_writerJob->start();
  return true;
}


void K3bDataJob::slotWriterJobPercent( int p )
{
  double totalTasks = d->copies;
  double tasksDone = d->copiesDone;
  if( d->doc->verifyData() ) {
    totalTasks*=2;
    tasksDone*=2;
  }
  if( !d->doc->onTheFly() ) {
    totalTasks+=1.0;
    tasksDone+=1.0;
  }

  emit percent( (int)((100.0*tasksDone + (double)p) / totalTasks) );
}


void K3bDataJob::slotWriterNextTrack( int t, int tt )
{
  emit newSubTask( i18n("Writing Track %1 of %2").arg(t).arg(tt) );
}


void K3bDataJob::slotWriterJobFinished( bool success )
{
  d->pipe.close();

  //
  // This is a little workaround for the bad cancellation handling in this job
  // see cancel()
  //
  if( d->canceled ) {
    if( active() )
      jobFinished( false );
  }

  if( success ) {
    // allright
    // the writerJob should have emited the "simulation/writing successful" signal

    if( d->doc->verifyData() ) {
      if( !d->verificationJob ) {
	d->verificationJob = new K3bVerificationJob( this, this );
	connect( d->verificationJob, TQT_SIGNAL(infoMessage(const TQString&, int)),
		 this, TQT_SIGNAL(infoMessage(const TQString&, int)) );
 	connect( d->verificationJob, TQT_SIGNAL(newTask(const TQString&)),
 		 this, TQT_SIGNAL(newSubTask(const TQString&)) );
	connect( d->verificationJob, TQT_SIGNAL(newSubTask(const TQString&)),
		 this, TQT_SIGNAL(newSubTask(const TQString&)) );
	connect( d->verificationJob, TQT_SIGNAL(percent(int)),
		 this, TQT_SLOT(slotVerificationProgress(int)) );
	connect( d->verificationJob, TQT_SIGNAL(percent(int)),
		 this, TQT_SIGNAL(subPercent(int)) );
	connect( d->verificationJob, TQT_SIGNAL(finished(bool)),
		 this, TQT_SLOT(slotVerificationFinished(bool)) );
	connect( d->verificationJob, TQT_SIGNAL(debuggingOutput(const TQString&, const TQString&)),
		 this, TQT_SIGNAL(debuggingOutput(const TQString&, const TQString&)) );

      }
      d->verificationJob->clear();
      d->verificationJob->setDevice( d->doc->burner() );
      d->verificationJob->setGrownSessionSize( m_isoImager->size() );
      d->verificationJob->addTrack( 0, m_isoImager->checksum(), m_isoImager->size() );

      emit burning(false);

      emit newTask( i18n("Verifying written data") );

      d->verificationJob->start();
    }
    else {
      d->copiesDone++;

      if( d->copiesDone < d->copies ) {
	K3bDevice::eject( d->doc->burner() );

	bool failed = false;
	if( d->doc->onTheFly() )
	  failed = !startOnTheFlyWriting();
	else
	  failed = !startWriterJob();

	if( failed ) {
	  cancel();
	}
	else if( !d->doc->onTheFly() ) {
	  d->pipe.writeToFd( m_writerJob->fd(), true );
	  d->pipe.open(true);
	}
      }
      else {
	cleanup();
	jobFinished(true);
      }
    }
  }
  else {
    cancelAll();
    jobFinished( false );
  }
}


void K3bDataJob::slotVerificationProgress( int p )
{
  double totalTasks = d->copies*2;
  double tasksDone = d->copiesDone*2 + 1; // the writing of the current copy has already been finished

  if( !d->doc->onTheFly() ) {
    totalTasks+=1.0;
    tasksDone+=1.0;
  }

  emit percent( (int)((100.0*tasksDone + (double)p) / totalTasks) );
}


void K3bDataJob::slotVerificationFinished( bool success )
{
  d->copiesDone++;

  // reconnect our imager which we deconnected for the verification
  connectImager();

  if( k3bcore->globalSettings()->ejectMedia() || d->copiesDone < d->copies )
    K3bDevice::eject( d->doc->burner() );

  if( !d->canceled && d->copiesDone < d->copies ) {
    bool failed = false;
    if( d->doc->onTheFly() )
      failed = !startOnTheFlyWriting();
    else
      failed = !startWriterJob();

    if( failed )
      cancel();
    else if( !d->doc->onTheFly() ) {
      d->pipe.writeToFd( m_writerJob->fd(), true );
      d->pipe.open(true);
    }
  }
  else {
    cleanup();
    jobFinished( success );
  }
}


void K3bDataJob::setWriterJob( K3bAbstractWriter* writer )
{
  // FIXME: progressedsize for multiple copies
  m_writerJob = writer;
  connect( m_writerJob, TQT_SIGNAL(infoMessage(const TQString&, int)), this, TQT_SIGNAL(infoMessage(const TQString&, int)) );
  connect( m_writerJob, TQT_SIGNAL(percent(int)), this, TQT_SLOT(slotWriterJobPercent(int)) );
  connect( m_writerJob, TQT_SIGNAL(processedSize(int, int)), this, TQT_SIGNAL(processedSize(int, int)) );
  connect( m_writerJob, TQT_SIGNAL(subPercent(int)), this, TQT_SIGNAL(subPercent(int)) );
  connect( m_writerJob, TQT_SIGNAL(processedSubSize(int, int)), this, TQT_SIGNAL(processedSubSize(int, int)) );
  connect( m_writerJob, TQT_SIGNAL(nextTrack(int, int)), this, TQT_SLOT(slotWriterNextTrack(int, int)) );
  connect( m_writerJob, TQT_SIGNAL(buffer(int)), this, TQT_SIGNAL(bufferStatus(int)) );
  connect( m_writerJob, TQT_SIGNAL(deviceBuffer(int)), this, TQT_SIGNAL(deviceBuffer(int)) );
  connect( m_writerJob, TQT_SIGNAL(writeSpeed(int, int)), this, TQT_SIGNAL(writeSpeed(int, int)) );
  connect( m_writerJob, TQT_SIGNAL(finished(bool)), this, TQT_SLOT(slotWriterJobFinished(bool)) );
  connect( m_writerJob, TQT_SIGNAL(newSubTask(const TQString&)), this, TQT_SIGNAL(newSubTask(const TQString&)) );
  connect( m_writerJob, TQT_SIGNAL(debuggingOutput(const TQString&, const TQString&)),
	   this, TQT_SIGNAL(debuggingOutput(const TQString&, const TQString&)) );
}


void K3bDataJob::setImager( K3bIsoImager* imager )
{
  if( m_isoImager != imager ) {
    delete m_isoImager;

    m_isoImager = imager;

    connectImager();
  }
}


void K3bDataJob::connectImager()
{
  m_isoImager->disconnect( this );
  connect( m_isoImager, TQT_SIGNAL(infoMessage(const TQString&, int)), this, TQT_SIGNAL(infoMessage(const TQString&, int)) );
  connect( m_isoImager, TQT_SIGNAL(percent(int)), this, TQT_SLOT(slotIsoImagerPercent(int)) );
  connect( m_isoImager, TQT_SIGNAL(finished(bool)), this, TQT_SLOT(slotIsoImagerFinished(bool)) );
  connect( m_isoImager, TQT_SIGNAL(debuggingOutput(const TQString&, const TQString&)),
	   this, TQT_SIGNAL(debuggingOutput(const TQString&, const TQString&)) );
}


void K3bDataJob::prepareImager()
{
  if( !m_isoImager )
    setImager( new K3bIsoImager( d->doc, this, this ) );
}


bool K3bDataJob::prepareWriterJob()
{
  if( m_writerJob )
    return true;

  // It seems as if cdrecord is not able to append sessions in dao mode whereas cdrdao is
  if( d->usedWritingApp == K3b::CDRECORD )  {
    K3bCdrecordWriter* writer = new K3bCdrecordWriter( d->doc->burner(), this, this );

    // cdrecord manpage says that "not all" writers are able to write
    // multisession disks in dao mode. That means there are writers that can.

    // Does it really make sence to write DAta ms cds in DAO mode since writing the
    // first session of a cd-extra in DAO mode is no problem with my writer while
    // writing the second data session is only possible in TAO mode.
    if( d->usedWritingMode == K3b::DAO &&
	d->usedMultiSessionMode != K3bDataDoc::NONE )
      emit infoMessage( i18n("Most writers do not support writing "
			     "multisession CDs in DAO mode."), INFO );

    writer->setWritingMode( d->usedWritingMode );
    writer->setSimulate( d->doc->dummy() );
    writer->setBurnSpeed( d->doc->speed() );

    // multisession
    if( d->usedMultiSessionMode == K3bDataDoc::START ||
	d->usedMultiSessionMode == K3bDataDoc::CONTINUE ) {
      writer->addArgument("-multi");
    }

    if( d->doc->onTheFly() &&
	( d->usedMultiSessionMode == K3bDataDoc::CONTINUE ||
	  d->usedMultiSessionMode == K3bDataDoc::FINISH ) )
      writer->addArgument("-waiti");

    if( d->usedDataMode == K3b::MODE1 )
      writer->addArgument( "-data" );
    else {
      if( k3bcore->externalBinManager()->binObject("cdrecord") &&
	  k3bcore->externalBinManager()->binObject("cdrecord")->hasFeature( "xamix" ) )
	writer->addArgument( "-xa" );
      else
	writer->addArgument( "-xa1" );
    }

    writer->addArgument( TQString("-tsize=%1s").arg(m_isoImager->size()) )->addArgument("-");

    setWriterJob( writer );
  }
  else {
    // create cdrdao job
    K3bCdrdaoWriter* writer = new K3bCdrdaoWriter( d->doc->burner(), this, this );
    writer->setCommand( K3bCdrdaoWriter::WRITE );
    writer->setSimulate( d->doc->dummy() );
    writer->setBurnSpeed( d->doc->speed() );
    // multisession
    writer->setMulti( d->usedMultiSessionMode == K3bDataDoc::START ||
		      d->usedMultiSessionMode == K3bDataDoc::CONTINUE );

    // now write the tocfile
    if( d->tocFile ) delete d->tocFile;
    d->tocFile = new KTempFile( TQString(), "toc" );
    d->tocFile->setAutoDelete(true);

    if( TQTextStream* s = d->tocFile->textStream() ) {
      if( d->usedDataMode == K3b::MODE1 ) {
	*s << "CD_ROM" << "\n";
	*s << "\n";
	*s << "TRACK MODE1" << "\n";
      }
      else {
	*s << "CD_ROM_XA" << "\n";
	*s << "\n";
	*s << "TRACK MODE2_FORM1" << "\n";
      }

      *s << "DATAFILE \"-\" " << m_isoImager->size()*2048 << "\n";

      d->tocFile->close();
    }
    else {
      kdDebug() << "(K3bDataJob) could not write tocfile." << endl;
      emit infoMessage( i18n("IO Error"), ERROR );
      cancelAll();
      return false;
    }

    writer->setTocFile( d->tocFile->name() );

    setWriterJob( writer );
  }

  return true;
}


void K3bDataJob::prepareData()
{
  // we don't need this when only creating image and it is possible
  // that the burn device is null
  if( d->doc->onlyCreateImages() )
    return;

  // first of all we determine the data mode
  if( d->doc->dataMode() == K3b::DATA_MODE_AUTO ) {
    if( !d->doc->onlyCreateImages() &&
	( d->usedMultiSessionMode == K3bDataDoc::CONTINUE ||
	  d->usedMultiSessionMode == K3bDataDoc::FINISH ) ) {

      // try to get the last track's datamode
      // we already asked for an appendable cdr when fetching
      // the ms info
      kdDebug() << "(K3bDataJob) determining last track's datamode..." << endl;

      // FIXME: use a devicethread
      K3bDevice::Toc toc = d->doc->burner()->readToc();
      if( toc.isEmpty() ) {
	kdDebug() << "(K3bDataJob) could not retrieve toc." << endl;
	emit infoMessage( i18n("Unable to determine the last track's datamode. Using default."), ERROR );
	d->usedDataMode = K3b::MODE2;
      }
      else {
	if( toc[toc.count()-1].mode() == K3bDevice::Track::MODE1 )
	  d->usedDataMode = K3b::MODE1;
	else
	  d->usedDataMode = K3b::MODE2;

	kdDebug() << "(K3bDataJob) using datamode: "
		  << (d->usedDataMode == K3b::MODE1 ? "mode1" : "mode2")
		  << endl;
      }
    }
    else if( d->usedMultiSessionMode == K3bDataDoc::NONE )
      d->usedDataMode = K3b::MODE1;
    else
      d->usedDataMode = K3b::MODE2;
  }
  else
    d->usedDataMode = d->doc->dataMode();


  // determine the writing mode
  if( d->doc->writingMode() == K3b::WRITING_MODE_AUTO ) {
    // TODO: put this into the cdreocrdwriter and decide based on the size of the
    // track
    if( writer()->dao() && d->usedDataMode == K3b::MODE1 &&
	d->usedMultiSessionMode == K3bDataDoc::NONE )
      d->usedWritingMode = K3b::DAO;
    else
      d->usedWritingMode = K3b::TAO;
  }
  else
    d->usedWritingMode = d->doc->writingMode();


  // cdrecord seems to have problems writing xa 1 disks in dao mode? At least on my system!
  if( writingApp() == K3b::DEFAULT ) {
    if( d->usedWritingMode == K3b::DAO ) {
      if( d->usedMultiSessionMode != K3bDataDoc::NONE )
	d->usedWritingApp = K3b::CDRDAO;
      else if( d->usedDataMode == K3b::MODE2 )
	d->usedWritingApp = K3b::CDRDAO;
      else
	d->usedWritingApp = K3b::CDRECORD;
    }
    else
      d->usedWritingApp = K3b::CDRECORD;
  }
  else
    d->usedWritingApp = writingApp();
}


void K3bDataJob::determineMultiSessionMode()
{
  //
  // THIS IS ONLY CALLED IF d->doc->multiSessionMode() == K3bDataDoc::AUTO!
  //

  if( d->doc->writingMode() == K3b::WRITING_MODE_AUTO ||
      d->doc->writingMode() == K3b::TAO ) {
    emit newSubTask( i18n("Searching for old session") );

    //
    // Wait for the medium.
    // In case an old session was imported we always want to continue or finish a multisession CD/DVD.
    // Otherwise we wait for everything we could handle and decide what to do in
    // determineMultiSessionMode( K3bDevice::DeviceHandler* ) below.
    //

    int wantedMediaState = K3bDevice::STATE_INCOMPLETE|K3bDevice::STATE_EMPTY;
    if( d->doc->sessionImported() )
      wantedMediaState = K3bDevice::STATE_INCOMPLETE;

    int m = waitForMedia( d->doc->burner(),
			  wantedMediaState,
			  K3bDevice::MEDIA_WRITABLE_CD );

    if( m < 0 )
      cancel();
    else {
      // now we need to determine the media's size
      connect( K3bDevice::sendCommand( K3bDevice::DeviceHandler::NG_DISKINFO, d->doc->burner() ),
	       TQT_SIGNAL(finished(K3bDevice::DeviceHandler*)),
	       this,
	       TQT_SLOT(slotDetermineMultiSessionMode(K3bDevice::DeviceHandler*)) );
    }
  }
  else {
    // we need TAO for multisession
    d->usedMultiSessionMode = K3bDataDoc::NONE;

    // carry on with the writing
    prepareWriting();
  }
}


void K3bDataJob::slotDetermineMultiSessionMode( K3bDevice::DeviceHandler* dh )
{
  //
  // This is a little workaround for the bad cancellation handling in this job
  // see cancel()
  //
  if( d->canceled ) {
    if( active() ) {
      cleanup();
      jobFinished( false );
    }
  }
  else {
    d->usedMultiSessionMode = getMultiSessionMode( dh->diskInfo() );

    // carry on with the writing
    prepareWriting();
  }
}


K3bDataDoc::MultiSessionMode K3bDataJob::getMultiSessionMode( const K3bDevice::DiskInfo& info )
{
  if( info.appendable() ) {
    //
    // 3 cases:
    //  1. the project does not fit -> no multisession (resulting in asking for another media above)
    //  2. the project does fit and fills up the CD -> finish multisession
    //  3. the project does fit and does not fill up the CD -> continue multisession
    //
    // In case a session has been imported we do not consider NONE at all.
    //
    if( d->doc->size() > info.remainingSize().mode1Bytes() && !d->doc->sessionImported() )
      d->usedMultiSessionMode = K3bDataDoc::NONE;
    else if( d->doc->size() >= info.remainingSize().mode1Bytes()*9/10 )
      d->usedMultiSessionMode = K3bDataDoc::FINISH;
    else
      d->usedMultiSessionMode = K3bDataDoc::CONTINUE;
  }

  else if( info.empty() ) {
    //
    // We only close the CD if the project fills up the CD almost completely (90%)
    //
    if( d->doc->size() >= info.capacity().mode1Bytes()*9/10 ||
	d->doc->writingMode() == K3b::DAO )
      d->usedMultiSessionMode = K3bDataDoc::NONE;
    else
      d->usedMultiSessionMode = K3bDataDoc::START;
  }

  else { // complete (WE SHOULD ACTUALLY NEVER GET HERE SINCE WE WAIT FOR AN EMPTY/APPENDABLE CD ABOVE!)
    //
    // Now we decide only based on the project size.
    // let's just use a 680 MB CD as our reference
    //
    if( d->doc->size()/1024/1024 >= 680*9/10 ||
	d->doc->writingMode() == K3b::DAO )
      d->usedMultiSessionMode = K3bDataDoc::NONE;
    else
      d->usedMultiSessionMode = K3bDataDoc::START;
  }

  return d->usedMultiSessionMode;
}


void K3bDataJob::cancelAll()
{
  d->canceled = true;

  m_isoImager->cancel();
  m_msInfoFetcher->cancel();
  if( m_writerJob )
    m_writerJob->cancel();
  if( d->verificationJob )
    d->verificationJob->cancel();

  d->pipe.close();

  cleanup();
}


bool K3bDataJob::waitForMedium()
{
  emit newSubTask( i18n("Waiting for a medium") );
  if( waitForMedia( d->doc->burner(),
		    d->usedMultiSessionMode == K3bDataDoc::CONTINUE ||
		    d->usedMultiSessionMode == K3bDataDoc::FINISH ?
		    K3bDevice::STATE_INCOMPLETE :
		    K3bDevice::STATE_EMPTY,
		    K3bDevice::MEDIA_WRITABLE_CD ) < 0 ) {
    return false;
  }
  else
    return !d->canceled;
}


TQString K3bDataJob::jobDescription() const
{
  if( d->doc->onlyCreateImages() ) {
    return i18n("Creating Data Image File");
  }
  else if( d->doc->multiSessionMode() == K3bDataDoc::NONE ||
	   d->doc->multiSessionMode() == K3bDataDoc::AUTO ) {
    return i18n("Writing Data CD")
      + ( d->doc->isoOptions().volumeID().isEmpty()
	  ? TQString()
	  : TQString( " (%1)" ).arg(d->doc->isoOptions().volumeID()) );
  }
  else {
    return i18n("Writing Multisession CD")
      + ( d->doc->isoOptions().volumeID().isEmpty()
	  ? TQString()
	  : TQString( " (%1)" ).arg(d->doc->isoOptions().volumeID()) );
  }
}


TQString K3bDataJob::jobDetails() const
{
  if( d->doc->copies() > 1 &&
      !d->doc->dummy() &&
      !(d->doc->multiSessionMode() == K3bDataDoc::CONTINUE ||
	d->doc->multiSessionMode() == K3bDataDoc::FINISH) )
    return i18n("ISO9660 Filesystem (Size: %1) - %n copy",
		"ISO9660 Filesystem (Size: %1) - %n copies",
		d->doc->copies() )
      .arg(TDEIO::convertSize( d->doc->size() ));
  else
    return i18n("ISO9660 Filesystem (Size: %1)")
      .arg(TDEIO::convertSize( d->doc->size() ));
}


K3bDataDoc::MultiSessionMode K3bDataJob::usedMultiSessionMode() const
{
  return d->usedMultiSessionMode;
}


void K3bDataJob::cleanup()
{
  if( !d->doc->onTheFly() && d->doc->removeImages() ) {
    if( TQFile::exists( d->doc->tempDir() ) ) {
      d->imageFile.remove();
      emit infoMessage( i18n("Removed image file %1").arg(d->doc->tempDir()), K3bJob::SUCCESS );
    }
  }

  if( d->tocFile ) {
    delete d->tocFile;
    d->tocFile = 0;
  }
}


bool K3bDataJob::hasBeenCanceled() const
{
  return d->canceled;
}

#include "k3bdatajob.moc"