source: trunk/macosx/Torrent.m @ 920

Last change on this file since 920 was 920, checked in by joshe, 15 years ago

Merge nat-traversal branch to trunk.

  • Property svn:keywords set to Date Rev Author Id
File size: 24.1 KB
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1/******************************************************************************
2 * $Id: Torrent.m 920 2006-09-25 18:37:45Z joshe $
3 *
4 * Copyright (c) 2006 Transmission authors and contributors
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the "Software"),
8 * to deal in the Software without restriction, including without limitation
9 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10 * and/or sell copies of the Software, and to permit persons to whom the
11 * Software is furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
19 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
21 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
22 * DEALINGS IN THE SOFTWARE.
23 *****************************************************************************/
24
25#import "Torrent.h"
26#import "StringAdditions.h"
27
28#define BAR_HEIGHT 12.0
29
30@interface Torrent (Private)
31
32- (id) initWithHash: (NSString *) hashString path: (NSString *) path lib: (tr_handle_t *) lib
33        privateTorrent: (NSNumber *) privateTorrent publicTorrent: (NSNumber *) publicTorrent
34        date: (NSDate *) date stopRatioSetting: (NSNumber *) stopRatioSetting
35        ratioLimit: (NSNumber *) ratioLimit waitToStart: (NSNumber *) waitToStart
36        orderValue: (NSNumber *) orderValue;
37
38- (NSImage *) advancedBar;
39
40- (void) trashFile: (NSString *) path;
41
42@end
43
44@implementation Torrent
45
46// Used to optimize drawing. They contain packed RGBA pixels for every color needed.
47#define BE OSSwapBigToHostConstInt32
48
49static uint32_t kRed   = BE(0xFF6450FF), //255, 100, 80
50                kBlue1 = BE(0xA0DCFFFF), //160, 220, 255
51                kBlue2 = BE(0x78BEFFFF), //120, 190, 255
52                kBlue3 = BE(0x50A0FFFF), //80, 160, 255
53                kBlue4 = BE(0x1E46B4FF), //30, 70, 180
54                kGray  = BE(0x969696FF), //150, 150, 150
55                kGreen = BE(0x00FF00FF), //0, 255, 0
56                kWhite = BE(0xFFFFFFFF); //255, 255, 255
57
58- (id) initWithPath: (NSString *) path lib: (tr_handle_t *) lib
59{
60    self = [self initWithHash: nil path: path lib: lib privateTorrent: nil publicTorrent: nil
61            date: nil stopRatioSetting: nil ratioLimit: nil waitToStart: nil orderValue: nil];
62   
63    if (self)
64    {
65        if (!fPublicTorrent)
66            [self trashFile: path];
67    }
68    return self;
69}
70
71- (id) initWithHistory: (NSDictionary *) history lib: (tr_handle_t *) lib
72{
73    self = [self initWithHash: [history objectForKey: @"TorrentHash"]
74                path: [history objectForKey: @"TorrentPath"] lib: lib
75                privateTorrent: [history objectForKey: @"PrivateCopy"]
76                publicTorrent: [history objectForKey: @"PublicCopy"]
77                date: [history objectForKey: @"Date"]
78                stopRatioSetting: [history objectForKey: @"StopRatioSetting"]
79                ratioLimit: [history objectForKey: @"RatioLimit"]
80                waitToStart: [history objectForKey: @"WaitToStart"]
81                orderValue: [history objectForKey: @"OrderValue"]];
82   
83    if (self)
84    {
85        NSString * downloadFolder;
86        if (!(downloadFolder = [history objectForKey: @"DownloadFolder"]))
87            downloadFolder = [[fDefaults stringForKey: @"DownloadFolder"] stringByExpandingTildeInPath];
88        [self setDownloadFolder: downloadFolder];
89
90        NSString * paused;
91        if (!(paused = [history objectForKey: @"Paused"]) || [paused isEqualToString: @"NO"])
92            tr_torrentStart(fHandle);
93    }
94    return self;
95}
96
97- (NSDictionary *) history
98{
99    NSMutableDictionary * history = [NSMutableDictionary dictionaryWithObjectsAndKeys:
100                    [NSNumber numberWithBool: fPrivateTorrent], @"PrivateCopy",
101                    [NSNumber numberWithBool: fPublicTorrent], @"PublicCopy",
102                    [self downloadFolder], @"DownloadFolder",
103                    [self isActive] ? @"NO" : @"YES", @"Paused",
104                    [self date], @"Date",
105                    [NSNumber numberWithInt: fStopRatioSetting], @"StopRatioSetting",
106                    [NSNumber numberWithFloat: fRatioLimit], @"RatioLimit",
107                    [NSNumber numberWithBool: fWaitToStart], @"WaitToStart",
108                    [self orderValue], @"OrderValue", nil];
109           
110    if (fPrivateTorrent)
111        [history setObject: [self hashString] forKey: @"TorrentHash"];
112
113    if (fPublicTorrent)
114        [history setObject: [self publicTorrentLocation] forKey: @"TorrentPath"];
115   
116    return history;
117}
118
119- (void) dealloc
120{
121    if (fHandle)
122    {
123        tr_torrentClose(fLib, fHandle);
124       
125        if (fPublicTorrentLocation)
126            [fPublicTorrentLocation release];
127       
128        [fDate release];
129       
130        [fIcon release];
131        [fIconFlipped release];
132        [fIconSmall release];
133       
134        [fProgressString release];
135        [fStatusString release];
136        [fShortStatusString release];
137        [fRemainingTimeString release];
138    }
139    [super dealloc];
140}
141
142- (void) setDownloadFolder: (NSString *) path
143{
144    tr_torrentSetFolder(fHandle, [path UTF8String]);
145}
146
147- (NSString *) downloadFolder
148{
149    return [NSString stringWithUTF8String: tr_torrentGetFolder(fHandle)];
150}
151
152- (void) getAvailability: (int8_t *) tab size: (int) size
153{
154    tr_torrentAvailability(fHandle, tab, size);
155}
156
157- (void) update
158{
159    fStat = tr_torrentStat(fHandle);
160   
161    //notification when downloading finished
162    if ([self justFinished])
163        [[NSNotificationCenter defaultCenter] postNotificationName: @"TorrentFinishedDownloading" object: self];
164   
165    //check to stop for ratio
166    if ([self isSeeding] && ((fStopRatioSetting == RATIO_CHECK && [self ratio] >= fRatioLimit)
167            || (fStopRatioSetting == RATIO_GLOBAL && [fDefaults boolForKey: @"RatioCheck"]
168            && [self ratio] >= [fDefaults floatForKey: @"RatioLimit"])))
169    {
170        [self stopTransfer];
171        [self setStopRatioSetting: RATIO_NO_CHECK];
172        fFinishedSeeding = YES;
173       
174        fStat = tr_torrentStat(fHandle);
175       
176        [[NSNotificationCenter defaultCenter] postNotificationName: @"TorrentStoppedForRatio" object: self];
177    }
178
179    [fProgressString setString: @""];
180    if ([self progress] < 1.0)
181        [fProgressString appendFormat: @"%@ of %@ (%.2f%%)", [NSString stringForFileSize:
182                [self downloadedValid]], [NSString stringForFileSize: [self size]], 100.0 * [self progress]];
183    else
184        [fProgressString appendFormat: @"%@, uploaded %@ (Ratio: %@)", [NSString stringForFileSize:
185                [self size]], [NSString stringForFileSize: [self uploadedTotal]],
186                [NSString stringForRatioWithDownload: [self downloadedTotal] upload: [self uploadedTotal]]];
187
188    switch (fStat->status)
189    {
190        NSString * tempString;
191   
192        case TR_STATUS_PAUSE:
193            if (fFinishedSeeding)
194                tempString = @"Seeding complete";
195            else if (fWaitToStart)
196                tempString = [@"Waiting to start" stringByAppendingEllipsis];
197            else
198                tempString = @"Paused";
199           
200            [fStatusString setString: tempString];
201            [fShortStatusString setString: tempString];
202           
203            break;
204
205        case TR_STATUS_CHECK:
206            tempString = [@"Checking existing files" stringByAppendingEllipsis];
207           
208            [fStatusString setString: tempString];
209            [fShortStatusString setString: tempString];
210            [fRemainingTimeString setString: tempString];
211           
212            break;
213
214        case TR_STATUS_DOWNLOAD:
215            [fStatusString setString: @""];
216            [fStatusString appendFormat:
217                @"Downloading from %d of %d peer%s", [self peersUploading], [self totalPeers],
218                [self totalPeers] == 1 ? "" : "s"];
219           
220            [fRemainingTimeString setString: @""];
221            int eta = [self eta];
222            if (eta < 0)
223            {
224                [fRemainingTimeString setString: @"Unknown"];
225                [fProgressString appendString: @" - remaining time unknown"];
226            }
227            else
228            {
229                if (eta < 60)
230                    [fRemainingTimeString appendFormat: @"%d sec", eta];
231                else if (eta < 3600) //60 * 60
232                    [fRemainingTimeString appendFormat: @"%d min %02d sec", eta / 60, eta % 60];
233                else if (eta < 86400) //24 * 60 * 60
234                    [fRemainingTimeString appendFormat: @"%d hr %02d min", eta / 3600, (eta / 60) % 60];
235                else
236                    [fRemainingTimeString appendFormat: @"%d day%s %d hr",
237                                                eta / 86400, eta / 86400 == 1 ? "" : "s", (eta / 3600) % 24];
238               
239                [fProgressString appendFormat: @" - %@ remaining", fRemainingTimeString];
240            }
241           
242            break;
243
244        case TR_STATUS_SEED:
245            [fStatusString setString: @""];
246            [fStatusString appendFormat:
247                @"Seeding to %d of %d peer%s",
248                [self peersDownloading], [self totalPeers], [self totalPeers] == 1 ? "" : "s"];
249           
250            break;
251
252        case TR_STATUS_STOPPING:
253            tempString = [@"Stopping" stringByAppendingEllipsis];
254       
255            [fStatusString setString: tempString];
256            [fShortStatusString setString: tempString];
257           
258            break;
259    }
260   
261    if( fStat->error & TR_ETRACKER )
262        [fStatusString setString: [@"Error: " stringByAppendingString:
263                        [NSString stringWithUTF8String: fStat->trackerError]]];
264
265    if ([self isActive])
266    {
267        NSString * stringToAppend = @"";
268        if ([self progress] < 1.0)
269        {
270            stringToAppend = [NSString stringWithFormat: @"DL: %@, ", [NSString stringForSpeed: [self downloadRate]]];
271            [fShortStatusString setString: @""];
272        }
273        else
274        {
275            NSString * ratioString = [NSString stringForRatioWithDownload: [self downloadedTotal]
276                                                upload: [self uploadedTotal]];
277       
278            [fShortStatusString setString: [NSString stringWithFormat: @"Ratio: %@, ", ratioString]];
279            [fRemainingTimeString setString: [@"Ratio: " stringByAppendingString: ratioString]];
280        }
281       
282        stringToAppend = [stringToAppend stringByAppendingString: [@"UL: " stringByAppendingString:
283                                                [NSString stringForSpeed: [self uploadRate]]]];
284
285        [fStatusString appendFormat: @" - %@", stringToAppend];
286        [fShortStatusString appendString: stringToAppend];
287    }
288}
289
290- (NSDictionary *) infoForCurrentView
291{
292    NSMutableDictionary * info = [NSMutableDictionary dictionaryWithObjectsAndKeys:
293                                    [self name], @"Name",
294                                    [NSNumber numberWithBool: [self isSeeding]], @"Seeding",
295                                    [NSNumber numberWithFloat: [self progress]], @"Progress",
296                                    [NSNumber numberWithBool: [self isActive]], @"Active",
297                                    [NSNumber numberWithBool: [self isError]], @"Error", nil];
298   
299    if (![fDefaults boolForKey: @"SmallView"])
300    {
301        [info setObject: fIconFlipped forKey: @"Icon"];
302        [info setObject: [self progressString] forKey: @"ProgressString"];
303        [info setObject: [self statusString] forKey: @"StatusString"];
304    }
305    else
306    {
307        [info setObject: fIconSmall forKey: @"Icon"];
308        [info setObject: [self remainingTimeString] forKey: @"RemainingTimeString"];
309        [info setObject: [self shortStatusString] forKey: @"ShortStatusString"];
310    }
311   
312    if ([fDefaults boolForKey: @"UseAdvancedBar"])
313        [info setObject: [self advancedBar] forKey: @"AdvancedBar"];
314   
315    return info;
316}
317
318- (void) startTransfer
319{
320    if (![self isActive])
321    {
322        tr_torrentStart(fHandle);
323
324        fFinishedSeeding = NO;
325        fWaitToStart = NO;
326    }
327}
328
329- (void) stopTransfer
330{
331    if ([self isActive])
332    {
333        BOOL wasSeeding = [self isSeeding];
334   
335        tr_torrentStop(fHandle);
336
337        if (!wasSeeding)
338            [[NSNotificationCenter defaultCenter] postNotificationName: @"StoppedDownloading" object: self];
339    }
340}
341
342- (void) stopTransferForQuit
343{
344    if ([self isActive])
345        tr_torrentStop(fHandle);
346}
347
348- (void) removeForever
349{
350    if (fPrivateTorrent)
351        tr_torrentRemoveSaved(fHandle);
352}
353
354- (void) sleep
355{
356    if ((fResumeOnWake = [self isActive]))
357        tr_torrentStop(fHandle);
358}
359
360- (void) wakeUp
361{
362    if (fResumeOnWake)
363        tr_torrentStart(fHandle);
364}
365
366- (float) ratio
367{
368    float downloaded = [self downloadedTotal];
369    return downloaded > 0 ? (float)[self uploadedTotal] / downloaded : -1;
370}
371
372- (int) stopRatioSetting
373{
374        return fStopRatioSetting;
375}
376
377- (void) setStopRatioSetting: (int) setting
378{
379    fStopRatioSetting = setting;
380}
381
382- (float) ratioLimit
383{
384    return fRatioLimit;
385}
386
387- (void) setRatioLimit: (float) limit
388{
389    if (limit >= 0)
390        fRatioLimit = limit;
391}
392
393- (void) setWaitToStart: (BOOL) wait
394{
395    fWaitToStart = wait;
396}
397
398- (BOOL) waitingToStart
399{
400    return fWaitToStart;
401}
402
403- (void) revealData
404{
405    [[NSWorkspace sharedWorkspace] selectFile: [self dataLocation] inFileViewerRootedAtPath: nil];
406}
407
408- (void) trashData
409{
410    [self trashFile: [self dataLocation]];
411}
412
413- (void) trashTorrent
414{
415    if (fPublicTorrent)
416        [self trashFile: [self publicTorrentLocation]];
417}
418
419- (NSImage *) icon
420{
421    return fIcon;
422}
423
424- (NSImage *) iconFlipped
425{
426    return fIconFlipped;
427}
428
429- (NSImage *) iconSmall
430{
431    return fIconSmall;
432}
433
434- (NSString *) name
435{
436    return [NSString stringWithUTF8String: fInfo->name];
437}
438
439- (uint64_t) size
440{
441    return fInfo->totalSize;
442}
443
444- (NSString *) tracker
445{
446    return [NSString stringWithFormat: @"%s:%d", fInfo->trackerAddress, fInfo->trackerPort];
447}
448
449- (NSString *) announce
450{
451    return [NSString stringWithUTF8String: fInfo->trackerAnnounce];
452}
453
454- (int) pieceSize
455{
456    return fInfo->pieceSize;
457}
458
459- (int) pieceCount
460{
461    return fInfo->pieceCount;
462}
463
464- (NSString *) hashString
465{
466    return [NSString stringWithUTF8String: fInfo->hashString];
467}
468
469- (NSString *) torrentLocation
470{
471    return [NSString stringWithUTF8String: fInfo->torrent];
472}
473
474- (NSString *) publicTorrentLocation
475{
476    return fPublicTorrentLocation;
477}
478
479- (NSString *) torrentLocationString
480{
481    return fPrivateTorrent ? @"Transmission Support Folder" : [fPublicTorrentLocation stringByAbbreviatingWithTildeInPath];
482}
483
484- (NSString *) dataLocation
485{
486    return [[self downloadFolder] stringByAppendingPathComponent: [self name]];
487}
488
489- (BOOL) publicTorrent
490{
491    return fPublicTorrent;
492}
493
494- (BOOL) privateTorrent
495{
496    return fPrivateTorrent;
497}
498
499- (NSString *) stateString
500{
501    switch( fStat->status )
502    {
503        case TR_STATUS_PAUSE:
504            return @"Paused";
505            break;
506
507        case TR_STATUS_CHECK:
508            return [@"Checking existing files" stringByAppendingEllipsis];
509            break;
510
511        case TR_STATUS_DOWNLOAD:
512            return @"Downloading";
513            break;
514
515        case TR_STATUS_SEED:
516            return @"Seeding";
517            break;
518
519        case TR_STATUS_STOPPING:
520            return [@"Stopping" stringByAppendingEllipsis];
521            break;
522       
523        default:
524            return @"N/A";
525    }
526}
527
528- (float) progress
529{
530    return fStat->progress;
531}
532
533- (int) eta
534{
535    return fStat->eta;
536}
537
538- (BOOL) isActive
539{
540    return fStat->status & TR_STATUS_ACTIVE;
541}
542
543- (BOOL) isSeeding
544{
545    return fStat->status == TR_STATUS_SEED;
546}
547
548- (BOOL) isPaused
549{
550    return fStat->status == TR_STATUS_PAUSE;
551}
552
553- (BOOL) isError
554{
555    return fStat->error & TR_ETRACKER;
556}
557
558- (BOOL) justFinished
559{
560    return tr_getFinished(fHandle);
561}
562
563- (NSArray *) peers
564{
565    int totalPeers, i;
566    tr_peer_stat_t * peers = tr_torrentPeers(fHandle, & totalPeers);
567   
568    NSMutableArray * peerDics = [NSMutableArray arrayWithCapacity: totalPeers];
569    tr_peer_stat_t peer;
570    NSString * client;
571    for (i = 0; i < totalPeers; i++)
572    {
573        peer = peers[i];
574        [peerDics addObject: [NSDictionary dictionaryWithObjectsAndKeys:
575            [NSNumber numberWithBool: peer.isConnected], @"Connected",
576            [NSString stringWithCString: (char *) peer.addr encoding: NSUTF8StringEncoding], @"IP",
577            [NSString stringWithCString: (char *) peer.client encoding: NSUTF8StringEncoding], @"Client",
578            [NSNumber numberWithBool: peer.isDownloading], @"UL To",
579            [NSNumber numberWithBool: peer.isUploading], @"DL From", nil]];
580    }
581   
582    tr_torrentPeersFree(peers, totalPeers);
583   
584    return peerDics;
585}
586
587- (NSString *) progressString
588{
589    return fProgressString;
590}
591
592- (NSString *) statusString
593{
594    return fStatusString;
595}
596
597- (NSString *) shortStatusString
598{
599    return fShortStatusString;
600}
601
602- (NSString *) remainingTimeString
603{
604    return fRemainingTimeString;
605}
606
607- (int) seeders
608{
609    return fStat->seeders;
610}
611
612- (int) leechers
613{
614    return fStat->leechers;
615}
616
617- (int) totalPeers
618{
619    return fStat->peersTotal;
620}
621
622//peers uploading to you
623- (int) peersUploading
624{
625    return fStat->peersUploading;
626}
627
628//peers downloading from you
629- (int) peersDownloading
630{
631    return fStat->peersDownloading;
632}
633
634- (float) downloadRate
635{
636    return fStat->rateDownload;
637}
638
639- (float) uploadRate
640{
641    return fStat->rateUpload;
642}
643
644- (float) downloadedValid
645{
646    return [self progress] * [self size];
647}
648
649- (uint64_t) downloadedTotal
650{
651    return fStat->downloaded;
652}
653
654- (uint64_t) uploadedTotal
655{
656    return fStat->uploaded;
657}
658
659- (float) swarmSpeed
660{
661    return fStat->swarmspeed;
662}
663
664- (NSNumber *) orderValue
665{
666    return [NSNumber numberWithInt: fOrderValue];
667}
668
669- (void) setOrderValue: (int) orderValue
670{
671    fOrderValue = orderValue;
672}
673
674- (NSArray *) fileList
675{
676    int count = fInfo->fileCount, i;
677    tr_file_t file;
678    NSMutableArray * files = [NSMutableArray arrayWithCapacity: count];
679   
680    for (i = 0; i < count; i++)
681    {
682        file = fInfo->files[i];
683        [files addObject: [NSDictionary dictionaryWithObjectsAndKeys:
684            [[self downloadFolder] stringByAppendingPathComponent: [NSString stringWithUTF8String: file.name]], @"Name",
685            [NSNumber numberWithUnsignedLongLong: file.length], @"Size", nil]];
686    }
687   
688    return files;
689}
690
691- (NSDate *) date
692{
693    return fDate;
694}
695
696- (NSNumber *) stateSortKey
697{
698    if (![self isActive])
699        return [NSNumber numberWithInt: 0];
700    else if ([self isSeeding])
701        return [NSNumber numberWithInt: 1];
702    else
703        return [NSNumber numberWithInt: 2];
704}
705
706- (NSNumber *) progressSortKey
707{
708    //if finished downloading sort by ratio instead of progress
709    float progress = [self progress];
710    return [NSNumber numberWithFloat: progress < 1.0 ? progress : 2.0 + [self ratio]];
711}
712
713@end
714
715
716@implementation Torrent (Private)
717
718//if a hash is given, attempt to load that; otherwise, attempt to open file at path
719- (id) initWithHash: (NSString *) hashString path: (NSString *) path lib: (tr_handle_t *) lib
720        privateTorrent: (NSNumber *) privateTorrent publicTorrent: (NSNumber *) publicTorrent
721        date: (NSDate *) date stopRatioSetting: (NSNumber *) stopRatioSetting
722        ratioLimit: (NSNumber *) ratioLimit waitToStart: (NSNumber *) waitToStart
723        orderValue: (NSNumber *) orderValue
724{
725    if (!(self = [super init]))
726        return nil;
727
728    fLib = lib;
729    fDefaults = [NSUserDefaults standardUserDefaults];
730
731    fPrivateTorrent = privateTorrent ? [privateTorrent boolValue] : [fDefaults boolForKey: @"SavePrivateTorrent"];
732    fPublicTorrent = !fPrivateTorrent || (publicTorrent ? [publicTorrent boolValue]
733                                            : ![fDefaults boolForKey: @"DeleteOriginalTorrent"]);
734
735    int error;
736    if (fPrivateTorrent && hashString)
737        fHandle = tr_torrentInitSaved(fLib, [hashString UTF8String], TR_FSAVEPRIVATE, & error);
738   
739    if (!fHandle && path)
740        fHandle = tr_torrentInit(fLib, [path UTF8String], fPrivateTorrent ? TR_FSAVEPRIVATE : 0, & error);
741
742    if (!fHandle)
743    {
744        [self release];
745        return nil;
746    }
747   
748    fInfo = tr_torrentInfo( fHandle );
749
750    if (fPublicTorrent)
751        fPublicTorrentLocation = [path retain];
752
753    fDate = date ? [date retain] : [[NSDate alloc] init];
754   
755    fStopRatioSetting = stopRatioSetting ? [stopRatioSetting intValue] : -1;
756    fRatioLimit = ratioLimit ? [ratioLimit floatValue] : [fDefaults floatForKey: @"RatioLimit"];
757    fFinishedSeeding = NO;
758   
759    fWaitToStart = waitToStart ? [waitToStart boolValue] : [fDefaults boolForKey: @"StartAtOpen"];
760    fOrderValue = orderValue ? [orderValue intValue] : tr_torrentCount(fLib) - 1;
761   
762    NSString * fileType = fInfo->multifile ? NSFileTypeForHFSTypeCode('fldr') : [[self name] pathExtension];
763    fIcon = [[NSWorkspace sharedWorkspace] iconForFileType: fileType];
764    [fIcon retain];
765   
766    fIconFlipped = [fIcon copy];
767    [fIconFlipped setFlipped: YES];
768   
769    fIconSmall = [fIconFlipped copy];
770    [fIconSmall setScalesWhenResized: YES];
771    [fIconSmall setSize: NSMakeSize(16.0, 16.0)];
772
773    fProgressString = [[NSMutableString alloc] initWithCapacity: 50];
774    fStatusString = [[NSMutableString alloc] initWithCapacity: 75];
775    fShortStatusString = [[NSMutableString alloc] initWithCapacity: 30];
776    fRemainingTimeString = [[NSMutableString alloc] initWithCapacity: 30];
777
778    [self update];
779    return self;
780}
781
782- (NSImage *) advancedBar
783{
784    int width = 250; //integers for bars
785   
786    NSBitmapImageRep * bitmap = [[NSBitmapImageRep alloc] initWithBitmapDataPlanes: nil
787        pixelsWide: width pixelsHigh: BAR_HEIGHT bitsPerSample: 8 samplesPerPixel: 4 hasAlpha: YES
788        isPlanar: NO colorSpaceName: NSCalibratedRGBColorSpace bytesPerRow: 0 bitsPerPixel: 0];
789
790    int h, w;
791    uint32_t * p;
792    uint8_t * bitmapData = [bitmap bitmapData];
793    int bytesPerRow = [bitmap bytesPerRow];
794
795    int8_t * pieces = malloc(width);
796    [self getAvailability: pieces size: width];
797    int avail = 0;
798    for (w = 0; w < width; w++)
799        if (pieces[w] != 0)
800            avail++;
801
802    //first two lines: dark blue to show progression, green to show available
803    int end = lrintf(floor([self progress] * width));
804    p = (uint32_t *) bitmapData;
805
806    for (w = 0; w < end; w++)
807    {
808        p[w] = kBlue4;
809        p[w + bytesPerRow / 4] = kBlue4;
810    }
811    for (; w < avail; w++)
812    {
813        p[w] = kGreen;
814        p[w + bytesPerRow / 4] = kGreen;
815    }
816    for (; w < width; w++)
817    {
818        p[w] = kWhite;
819        p[w + bytesPerRow / 4] = kWhite;
820    }
821   
822    //lines 2 to 14: blue or grey depending on whether we have the piece or not
823    uint32_t color;
824    for( w = 0; w < width; w++ )
825    {
826        if (pieces[w] < 0)
827            color = kGreen;
828        else if (pieces[w] == 0)
829            color = kGray;
830        else if (pieces[w] == 1)
831            color = kBlue1;
832        else if (pieces[w] == 2)
833            color = kBlue2;
834        else
835            color = kBlue3;
836       
837        //point to pixel (w, 2) and draw "vertically"
838        p = (uint32_t *) ( bitmapData + 2 * bytesPerRow ) + w;
839        for( h = 2; h < BAR_HEIGHT; h++ )
840        {
841            p[0] = color;
842            p = (uint32_t *) ( (uint8_t *) p + bytesPerRow );
843        }
844    }
845
846    free(pieces);
847   
848    //actually draw image
849    NSImage * bar = [[NSImage alloc] initWithSize: [bitmap size]];
850    [bar addRepresentation: bitmap];
851    [bitmap release];
852   
853    [bar setScalesWhenResized: YES];
854   
855    return [bar autorelease];
856}
857
858- (void) trashFile: (NSString *) path
859{
860    //attempt to move to trash
861    if (![[NSWorkspace sharedWorkspace] performFileOperation: NSWorkspaceRecycleOperation
862            source: [path stringByDeletingLastPathComponent] destination: @""
863            files: [NSArray arrayWithObject: [path lastPathComponent]] tag: nil])
864    {
865        //if cannot trash, just delete it (will work if it is on a remote volume)
866        if (![[NSFileManager defaultManager] removeFileAtPath: path handler: nil])
867            NSLog([@"Could not trash " stringByAppendingString: path]);
868    }
869}
870
871@end
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