source: trunk/macosx/Torrent.m @ 986

Last change on this file since 986 was 986, checked in by livings124, 16 years ago

Combine multiple loops into 1

  • Property svn:keywords set to Date Rev Author Id
File size: 27.0 KB
Line 
1/******************************************************************************
2 * $Id: Torrent.m 986 2006-10-05 21:34:22Z livings124 $
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#define MAX_PIECES 324
31#define BLANK_PIECE -99
32
33@interface Torrent (Private)
34
35- (id) initWithHash: (NSString *) hashString path: (NSString *) path lib: (tr_handle_t *) lib
36        privateTorrent: (NSNumber *) privateTorrent publicTorrent: (NSNumber *) publicTorrent
37        date: (NSDate *) date stopRatioSetting: (NSNumber *) stopRatioSetting
38        ratioLimit: (NSNumber *) ratioLimit waitToStart: (NSNumber *) waitToStart
39        orderValue: (NSNumber *) orderValue;
40
41- (NSImage *) advancedBar;
42
43- (void) trashFile: (NSString *) path;
44
45@end
46
47@implementation Torrent
48
49// Used to optimize drawing. They contain packed RGBA pixels for every color needed.
50#define BE OSSwapBigToHostConstInt32
51
52static uint32_t kRed   = BE(0xFF6450FF), //255, 100, 80
53                kBlue1 = BE(0xA0DCFFFF), //160, 220, 255
54                kBlue2 = BE(0x78BEFFFF), //120, 190, 255
55                kBlue3 = BE(0x50A0FFFF), //80, 160, 255
56                kBlue4 = BE(0x1E46B4FF), //30, 70, 180
57                kGray  = BE(0x969696FF), //150, 150, 150
58                kGreen = BE(0x00FF00FF), //0, 255, 0
59                kWhite = BE(0xFFFFFFFF); //255, 255, 255
60
61- (id) initWithPath: (NSString *) path lib: (tr_handle_t *) lib
62{
63    self = [self initWithHash: nil path: path lib: lib privateTorrent: nil publicTorrent: nil
64            date: nil stopRatioSetting: nil ratioLimit: nil waitToStart: nil orderValue: nil];
65   
66    if (self)
67    {
68        if (!fPublicTorrent)
69            [self trashFile: path];
70    }
71    return self;
72}
73
74- (id) initWithHistory: (NSDictionary *) history lib: (tr_handle_t *) lib
75{
76    self = [self initWithHash: [history objectForKey: @"TorrentHash"]
77                path: [history objectForKey: @"TorrentPath"] lib: lib
78                privateTorrent: [history objectForKey: @"PrivateCopy"]
79                publicTorrent: [history objectForKey: @"PublicCopy"]
80                date: [history objectForKey: @"Date"]
81                stopRatioSetting: [history objectForKey: @"StopRatioSetting"]
82                ratioLimit: [history objectForKey: @"RatioLimit"]
83                waitToStart: [history objectForKey: @"WaitToStart"]
84                orderValue: [history objectForKey: @"OrderValue"]];
85   
86    if (self)
87    {
88        NSString * downloadFolder;
89        if (!(downloadFolder = [history objectForKey: @"DownloadFolder"]))
90            downloadFolder = [[fDefaults stringForKey: @"DownloadFolder"] stringByExpandingTildeInPath];
91        [self setDownloadFolder: downloadFolder];
92
93        NSString * paused;
94        if (!(paused = [history objectForKey: @"Paused"]) || [paused isEqualToString: @"NO"])
95        {
96            fStat = tr_torrentStat(fHandle);
97            [self startTransfer];
98        }
99    }
100    return self;
101}
102
103- (NSDictionary *) history
104{
105    NSMutableDictionary * history = [NSMutableDictionary dictionaryWithObjectsAndKeys:
106                    [NSNumber numberWithBool: fPrivateTorrent], @"PrivateCopy",
107                    [NSNumber numberWithBool: fPublicTorrent], @"PublicCopy",
108                    [self downloadFolder], @"DownloadFolder",
109                    [self isActive] ? @"NO" : @"YES", @"Paused",
110                    [self date], @"Date",
111                    [NSNumber numberWithInt: fStopRatioSetting], @"StopRatioSetting",
112                    [NSNumber numberWithFloat: fRatioLimit], @"RatioLimit",
113                    [NSNumber numberWithBool: fWaitToStart], @"WaitToStart",
114                    [self orderValue], @"OrderValue", nil];
115           
116    if (fPrivateTorrent)
117        [history setObject: [self hashString] forKey: @"TorrentHash"];
118
119    if (fPublicTorrent)
120        [history setObject: [self publicTorrentLocation] forKey: @"TorrentPath"];
121   
122    return history;
123}
124
125- (void) dealloc
126{
127    if (fHandle)
128    {
129        tr_torrentClose(fLib, fHandle);
130       
131        if (fPublicTorrentLocation)
132            [fPublicTorrentLocation release];
133       
134        [fDate release];
135       
136        [fIcon release];
137        [fIconFlipped release];
138        [fIconSmall release];
139       
140        [fProgressString release];
141        [fStatusString release];
142        [fShortStatusString release];
143        [fRemainingTimeString release];
144       
145       
146        [fBitmap release];
147        free(fPieces);
148    }
149    [super dealloc];
150}
151
152- (void) setDownloadFolder: (NSString *) path
153{
154    tr_torrentSetFolder(fHandle, [path UTF8String]);
155}
156
157- (NSString *) downloadFolder
158{
159    return [NSString stringWithUTF8String: tr_torrentGetFolder(fHandle)];
160}
161
162- (void) getAvailability: (int8_t *) tab size: (int) size
163{
164    tr_torrentAvailability(fHandle, tab, size);
165}
166
167- (void) update
168{
169    fStat = tr_torrentStat(fHandle);
170   
171    //notification when downloading finished
172    if ([self justFinished])
173        [[NSNotificationCenter defaultCenter] postNotificationName: @"TorrentFinishedDownloading" object: self];
174   
175    //check to stop for ratio
176    if ([self isSeeding] && ((fStopRatioSetting == RATIO_CHECK && [self ratio] >= fRatioLimit)
177            || (fStopRatioSetting == RATIO_GLOBAL && [fDefaults boolForKey: @"RatioCheck"]
178            && [self ratio] >= [fDefaults floatForKey: @"RatioLimit"])))
179    {
180        [self stopTransfer];
181        [self setStopRatioSetting: RATIO_NO_CHECK];
182        fFinishedSeeding = YES;
183       
184        fStat = tr_torrentStat(fHandle);
185       
186        [[NSNotificationCenter defaultCenter] postNotificationName: @"TorrentStoppedForRatio" object: self];
187    }
188
189    [fProgressString setString: @""];
190    if ([self progress] < 1.0)
191        [fProgressString appendFormat: @"%@ of %@ (%.2f%%)", [NSString stringForFileSize:
192                [self downloadedValid]], [NSString stringForFileSize: [self size]], 100.0 * [self progress]];
193    else
194        [fProgressString appendFormat: @"%@, uploaded %@ (Ratio: %@)", [NSString stringForFileSize:
195                [self size]], [NSString stringForFileSize: [self uploadedTotal]],
196                [NSString stringForRatioWithDownload: [self downloadedTotal] upload: [self uploadedTotal]]];
197
198    switch (fStat->status)
199    {
200        NSString * tempString;
201   
202        case TR_STATUS_PAUSE:
203            if (fFinishedSeeding)
204                tempString = @"Seeding complete";
205            else if (fWaitToStart)
206                tempString = [@"Waiting to start" stringByAppendingEllipsis];
207            else
208                tempString = @"Paused";
209           
210            [fStatusString setString: tempString];
211            [fShortStatusString setString: tempString];
212           
213            break;
214
215        case TR_STATUS_CHECK:
216            tempString = [@"Checking existing files" stringByAppendingEllipsis];
217           
218            [fStatusString setString: tempString];
219            [fShortStatusString setString: tempString];
220            [fRemainingTimeString setString: tempString];
221           
222            break;
223
224        case TR_STATUS_DOWNLOAD:
225            [fStatusString setString: @""];
226            [fStatusString appendFormat:
227                @"Downloading from %d of %d peer%s", [self peersUploading], [self totalPeers],
228                [self totalPeers] == 1 ? "" : "s"];
229           
230            [fRemainingTimeString setString: @""];
231            int eta = [self eta];
232            if (eta < 0)
233            {
234                [fRemainingTimeString setString: @"Unknown"];
235                [fProgressString appendString: @" - remaining time unknown"];
236            }
237            else
238            {
239                if (eta < 60)
240                    [fRemainingTimeString appendFormat: @"%d sec", eta];
241                else if (eta < 3600) //60 * 60
242                    [fRemainingTimeString appendFormat: @"%d min %02d sec", eta / 60, eta % 60];
243                else if (eta < 86400) //24 * 60 * 60
244                    [fRemainingTimeString appendFormat: @"%d hr %02d min", eta / 3600, (eta / 60) % 60];
245                else
246                    [fRemainingTimeString appendFormat: @"%d day%s %d hr",
247                                                eta / 86400, eta / 86400 == 1 ? "" : "s", (eta / 3600) % 24];
248               
249                [fProgressString appendFormat: @" - %@ remaining", fRemainingTimeString];
250            }
251           
252            break;
253
254        case TR_STATUS_SEED:
255            [fStatusString setString: @""];
256            [fStatusString appendFormat:
257                @"Seeding to %d of %d peer%s",
258                [self peersDownloading], [self totalPeers], [self totalPeers] == 1 ? "" : "s"];
259           
260            break;
261
262        case TR_STATUS_STOPPING:
263            tempString = [@"Stopping" stringByAppendingEllipsis];
264       
265            [fStatusString setString: tempString];
266            [fShortStatusString setString: tempString];
267           
268            break;
269    }
270   
271    if (fStat->error & TR_ETRACKER)
272    {
273        [fStatusString setString: [@"Error: " stringByAppendingString: [NSString stringWithUTF8String: fStat->trackerError]]];
274        if (!fError && [self isActive])
275        {
276            fError = YES;
277            if (![self isSeeding])
278                [[NSNotificationCenter defaultCenter] postNotificationName: @"StoppedDownloading" object: self];
279        }
280    }
281    else
282    {
283        if (fError)
284            fError = NO;
285    }
286
287    if ([self isActive])
288    {
289        NSString * stringToAppend = @"";
290        if ([self progress] < 1.0)
291        {
292            stringToAppend = [NSString stringWithFormat: @"DL: %@, ", [NSString stringForSpeed: [self downloadRate]]];
293            [fShortStatusString setString: @""];
294        }
295        else
296        {
297            NSString * ratioString = [NSString stringForRatioWithDownload: [self downloadedTotal]
298                                                upload: [self uploadedTotal]];
299       
300            [fShortStatusString setString: [NSString stringWithFormat: @"Ratio: %@, ", ratioString]];
301            [fRemainingTimeString setString: [@"Ratio: " stringByAppendingString: ratioString]];
302        }
303       
304        stringToAppend = [stringToAppend stringByAppendingString: [@"UL: " stringByAppendingString:
305                                                [NSString stringForSpeed: [self uploadRate]]]];
306
307        [fStatusString appendFormat: @" - %@", stringToAppend];
308        [fShortStatusString appendString: stringToAppend];
309    }
310}
311
312- (NSDictionary *) infoForCurrentView
313{
314    NSMutableDictionary * info = [NSMutableDictionary dictionaryWithObjectsAndKeys:
315                                    [self name], @"Name",
316                                    [NSNumber numberWithBool: [self isSeeding]], @"Seeding",
317                                    [NSNumber numberWithFloat: [self progress]], @"Progress",
318                                    [NSNumber numberWithBool: [self isActive]], @"Active",
319                                    [NSNumber numberWithBool: [self isError]], @"Error", nil];
320   
321    if (![fDefaults boolForKey: @"SmallView"])
322    {
323        [info setObject: fIconFlipped forKey: @"Icon"];
324        [info setObject: [self progressString] forKey: @"ProgressString"];
325        [info setObject: [self statusString] forKey: @"StatusString"];
326    }
327    else
328    {
329        [info setObject: fIconSmall forKey: @"Icon"];
330        [info setObject: [self remainingTimeString] forKey: @"RemainingTimeString"];
331        [info setObject: [self shortStatusString] forKey: @"ShortStatusString"];
332    }
333   
334    if ([fDefaults boolForKey: @"UseAdvancedBar"])
335        [info setObject: [self advancedBar] forKey: @"AdvancedBar"];
336   
337    return info;
338}
339
340- (void) startTransfer
341{
342    fWaitToStart = NO;
343    fFinishedSeeding = NO;
344   
345    if (![self isActive] && [self remainingDiskSpaceForTorrent])
346        tr_torrentStart(fHandle);
347}
348
349- (void) stopTransfer
350{
351    fError = NO;
352   
353    if ([self isActive])
354    {
355        BOOL wasSeeding = [self isSeeding];
356   
357        tr_torrentStop(fHandle);
358
359        if (!wasSeeding)
360            [[NSNotificationCenter defaultCenter] postNotificationName: @"StoppedDownloading" object: self];
361    }
362}
363
364- (void) stopTransferForQuit
365{
366    if ([self isActive])
367        tr_torrentStop(fHandle);
368}
369
370- (void) removeForever
371{
372    if (fPrivateTorrent)
373        tr_torrentRemoveSaved(fHandle);
374}
375
376- (void) sleep
377{
378    if ((fResumeOnWake = [self isActive]))
379        tr_torrentStop(fHandle);
380}
381
382- (void) wakeUp
383{
384    if (fResumeOnWake)
385        tr_torrentStart(fHandle);
386}
387
388- (float) ratio
389{
390    float downloaded = [self downloadedTotal];
391    return downloaded > 0 ? (float)[self uploadedTotal] / downloaded : -1;
392}
393
394- (int) stopRatioSetting
395{
396        return fStopRatioSetting;
397}
398
399- (void) setStopRatioSetting: (int) setting
400{
401    fStopRatioSetting = setting;
402}
403
404- (float) ratioLimit
405{
406    return fRatioLimit;
407}
408
409- (void) setRatioLimit: (float) limit
410{
411    if (limit >= 0)
412        fRatioLimit = limit;
413}
414
415- (void) setWaitToStart: (BOOL) wait
416{
417    fWaitToStart = wait;
418}
419
420- (BOOL) waitingToStart
421{
422    return fWaitToStart;
423}
424
425- (void) revealData
426{
427    [[NSWorkspace sharedWorkspace] selectFile: [self dataLocation] inFileViewerRootedAtPath: nil];
428}
429
430- (void) trashData
431{
432    [self trashFile: [self dataLocation]];
433}
434
435- (void) trashTorrent
436{
437    if (fPublicTorrent)
438        [self trashFile: [self publicTorrentLocation]];
439}
440
441- (BOOL) remainingDiskSpaceForTorrent
442{
443    if ([self progress] >= 1.0)
444        return YES;
445   
446    NSString * location = [self dataLocation],
447                * volume = [[[NSFileManager defaultManager] componentsToDisplayForPath: location] objectAtIndex: 0];
448    NSDictionary * fsAttributes = [[NSFileManager defaultManager] fileSystemAttributesAtPath: location];
449    uint64_t remainingSpace = [[fsAttributes objectForKey: NSFileSystemFreeSize] unsignedLongLongValue],
450            torrentRemaining = [self size] - (uint64_t)[self downloadedValid];
451   
452    NSLog(@"Volume: %@", volume);
453    NSLog(@"Remaining disk space: %qu (%@)", remainingSpace, [NSString stringForFileSize: remainingSpace]);
454    NSLog(@"Torrent remaining size: %qu (%@)", torrentRemaining, [NSString stringForFileSize: torrentRemaining]);
455   
456    if (volume && remainingSpace <= torrentRemaining)
457    {
458        NSAlert * alert = [[NSAlert alloc] init];
459        [alert setMessageText: [NSString stringWithFormat: @"Not enough remaining disk space to download \"%@\" completely.",
460                                    [self name]]];
461        [alert setInformativeText: [NSString stringWithFormat:
462                        @"The transfer will be paused. Clear up space on %@ to continue.", volume]];
463        [alert addButtonWithTitle: @"OK"];
464        [alert addButtonWithTitle: @"Download Anyway"];
465       
466        return [alert runModal] != NSAlertFirstButtonReturn;
467    }
468    return YES;
469}
470
471- (NSImage *) icon
472{
473    return fIcon;
474}
475
476- (NSImage *) iconFlipped
477{
478    return fIconFlipped;
479}
480
481- (NSImage *) iconSmall
482{
483    return fIconSmall;
484}
485
486- (NSString *) name
487{
488    return [NSString stringWithUTF8String: fInfo->name];
489}
490
491- (uint64_t) size
492{
493    return fInfo->totalSize;
494}
495
496- (NSString *) tracker
497{
498    return [NSString stringWithFormat: @"%s:%d", fInfo->trackerAddress, fInfo->trackerPort];
499}
500
501- (NSString *) announce
502{
503    return [NSString stringWithUTF8String: fInfo->trackerAnnounce];
504}
505
506- (int) pieceSize
507{
508    return fInfo->pieceSize;
509}
510
511- (int) pieceCount
512{
513    return fInfo->pieceCount;
514}
515
516- (NSString *) hashString
517{
518    return [NSString stringWithUTF8String: fInfo->hashString];
519}
520
521- (NSString *) torrentLocation
522{
523    return [NSString stringWithUTF8String: fInfo->torrent];
524}
525
526- (NSString *) publicTorrentLocation
527{
528    return fPublicTorrentLocation;
529}
530
531- (NSString *) torrentLocationString
532{
533    return fPrivateTorrent ? @"Transmission Support Folder" : [fPublicTorrentLocation stringByAbbreviatingWithTildeInPath];
534}
535
536- (NSString *) dataLocation
537{
538    return [[self downloadFolder] stringByAppendingPathComponent: [self name]];
539}
540
541- (BOOL) publicTorrent
542{
543    return fPublicTorrent;
544}
545
546- (BOOL) privateTorrent
547{
548    return fPrivateTorrent;
549}
550
551- (NSString *) stateString
552{
553    switch( fStat->status )
554    {
555        case TR_STATUS_PAUSE:
556            return @"Paused";
557            break;
558
559        case TR_STATUS_CHECK:
560            return [@"Checking existing files" stringByAppendingEllipsis];
561            break;
562
563        case TR_STATUS_DOWNLOAD:
564            return @"Downloading";
565            break;
566
567        case TR_STATUS_SEED:
568            return @"Seeding";
569            break;
570
571        case TR_STATUS_STOPPING:
572            return [@"Stopping" stringByAppendingEllipsis];
573            break;
574       
575        default:
576            return @"N/A";
577    }
578}
579
580- (float) progress
581{
582    return fStat->progress;
583}
584
585- (int) eta
586{
587    return fStat->eta;
588}
589
590- (BOOL) isActive
591{
592    return fStat->status & TR_STATUS_ACTIVE;
593}
594
595- (BOOL) isSeeding
596{
597    return fStat->status == TR_STATUS_SEED;
598}
599
600- (BOOL) isPaused
601{
602    return fStat->status == TR_STATUS_PAUSE;
603}
604
605- (BOOL) isError
606{
607    return fStat->error & TR_ETRACKER;
608}
609
610- (BOOL) justFinished
611{
612    return tr_getFinished(fHandle);
613}
614
615- (NSArray *) peers
616{
617    int totalPeers, i;
618    tr_peer_stat_t * peers = tr_torrentPeers(fHandle, & totalPeers);
619   
620    NSMutableArray * peerDics = [NSMutableArray arrayWithCapacity: totalPeers];
621    tr_peer_stat_t peer;
622    NSString * client;
623    for (i = 0; i < totalPeers; i++)
624    {
625        peer = peers[i];
626        [peerDics addObject: [NSDictionary dictionaryWithObjectsAndKeys:
627            [NSNumber numberWithBool: peer.isConnected], @"Connected",
628            [NSString stringWithCString: (char *) peer.addr encoding: NSUTF8StringEncoding], @"IP",
629            [NSString stringWithCString: (char *) peer.client encoding: NSUTF8StringEncoding], @"Client",
630            [NSNumber numberWithBool: peer.isDownloading], @"UL To",
631            [NSNumber numberWithBool: peer.isUploading], @"DL From", nil]];
632    }
633   
634    tr_torrentPeersFree(peers, totalPeers);
635   
636    return peerDics;
637}
638
639- (NSString *) progressString
640{
641    return fProgressString;
642}
643
644- (NSString *) statusString
645{
646    return fStatusString;
647}
648
649- (NSString *) shortStatusString
650{
651    return fShortStatusString;
652}
653
654- (NSString *) remainingTimeString
655{
656    return fRemainingTimeString;
657}
658
659- (int) seeders
660{
661    return fStat->seeders;
662}
663
664- (int) leechers
665{
666    return fStat->leechers;
667}
668
669- (int) totalPeers
670{
671    return fStat->peersTotal;
672}
673
674//peers uploading to you
675- (int) peersUploading
676{
677    return fStat->peersUploading;
678}
679
680//peers downloading from you
681- (int) peersDownloading
682{
683    return fStat->peersDownloading;
684}
685
686- (float) downloadRate
687{
688    return fStat->rateDownload;
689}
690
691- (float) uploadRate
692{
693    return fStat->rateUpload;
694}
695
696- (float) downloadedValid
697{
698    return [self progress] * [self size];
699}
700
701- (uint64_t) downloadedTotal
702{
703    return fStat->downloaded;
704}
705
706- (uint64_t) uploadedTotal
707{
708    return fStat->uploaded;
709}
710
711- (float) swarmSpeed
712{
713    return fStat->swarmspeed;
714}
715
716- (NSNumber *) orderValue
717{
718    return [NSNumber numberWithInt: fOrderValue];
719}
720
721- (void) setOrderValue: (int) orderValue
722{
723    fOrderValue = orderValue;
724}
725
726- (NSArray *) fileList
727{
728    int count = fInfo->fileCount, i;
729    tr_file_t file;
730    NSMutableArray * files = [NSMutableArray arrayWithCapacity: count];
731   
732    for (i = 0; i < count; i++)
733    {
734        file = fInfo->files[i];
735        [files addObject: [NSDictionary dictionaryWithObjectsAndKeys:
736            [[self downloadFolder] stringByAppendingPathComponent: [NSString stringWithUTF8String: file.name]], @"Name",
737            [NSNumber numberWithUnsignedLongLong: file.length], @"Size", nil]];
738    }
739   
740    return files;
741}
742
743- (NSDate *) date
744{
745    return fDate;
746}
747
748- (NSNumber *) stateSortKey
749{
750    if (![self isActive])
751        return [NSNumber numberWithInt: 0];
752    else if ([self isSeeding])
753        return [NSNumber numberWithInt: 1];
754    else
755        return [NSNumber numberWithInt: 2];
756}
757
758- (NSNumber *) progressSortKey
759{
760    //if finished downloading sort by ratio instead of progress
761    float progress = [self progress];
762    return [NSNumber numberWithFloat: progress < 1.0 ? progress : 2.0 + [self ratio]];
763}
764
765@end
766
767
768@implementation Torrent (Private)
769
770//if a hash is given, attempt to load that; otherwise, attempt to open file at path
771- (id) initWithHash: (NSString *) hashString path: (NSString *) path lib: (tr_handle_t *) lib
772        privateTorrent: (NSNumber *) privateTorrent publicTorrent: (NSNumber *) publicTorrent
773        date: (NSDate *) date stopRatioSetting: (NSNumber *) stopRatioSetting
774        ratioLimit: (NSNumber *) ratioLimit waitToStart: (NSNumber *) waitToStart
775        orderValue: (NSNumber *) orderValue
776{
777    if (!(self = [super init]))
778        return nil;
779
780    fLib = lib;
781    fDefaults = [NSUserDefaults standardUserDefaults];
782
783    fPrivateTorrent = privateTorrent ? [privateTorrent boolValue] : [fDefaults boolForKey: @"SavePrivateTorrent"];
784    fPublicTorrent = !fPrivateTorrent || (publicTorrent ? [publicTorrent boolValue]
785                                            : ![fDefaults boolForKey: @"DeleteOriginalTorrent"]);
786
787    int error;
788    if (fPrivateTorrent && hashString)
789        fHandle = tr_torrentInitSaved(fLib, [hashString UTF8String], TR_FSAVEPRIVATE, & error);
790   
791    if (!fHandle && path)
792        fHandle = tr_torrentInit(fLib, [path UTF8String], fPrivateTorrent ? TR_FSAVEPRIVATE : 0, & error);
793
794    if (!fHandle)
795    {
796        [self release];
797        return nil;
798    }
799   
800    fInfo = tr_torrentInfo( fHandle );
801
802    if (fPublicTorrent)
803        fPublicTorrentLocation = [path retain];
804
805    fDate = date ? [date retain] : [[NSDate alloc] init];
806   
807    fStopRatioSetting = stopRatioSetting ? [stopRatioSetting intValue] : -1;
808    fRatioLimit = ratioLimit ? [ratioLimit floatValue] : [fDefaults floatForKey: @"RatioLimit"];
809    fFinishedSeeding = NO;
810   
811    fWaitToStart = waitToStart ? [waitToStart boolValue] : [fDefaults boolForKey: @"AutoStartDownload"];
812    fOrderValue = orderValue ? [orderValue intValue] : tr_torrentCount(fLib) - 1;
813    fError = NO;
814   
815    NSString * fileType = fInfo->multifile ? NSFileTypeForHFSTypeCode('fldr') : [[self name] pathExtension];
816    fIcon = [[NSWorkspace sharedWorkspace] iconForFileType: fileType];
817    [fIcon retain];
818   
819    fIconFlipped = [fIcon copy];
820    [fIconFlipped setFlipped: YES];
821   
822    fIconSmall = [fIconFlipped copy];
823    [fIconSmall setScalesWhenResized: YES];
824    [fIconSmall setSize: NSMakeSize(16.0, 16.0)];
825
826    fProgressString = [[NSMutableString alloc] initWithCapacity: 50];
827    fStatusString = [[NSMutableString alloc] initWithCapacity: 75];
828    fShortStatusString = [[NSMutableString alloc] initWithCapacity: 30];
829    fRemainingTimeString = [[NSMutableString alloc] initWithCapacity: 30];
830   
831    //set up advanced bar
832    fBitmap = [[NSBitmapImageRep alloc] initWithBitmapDataPlanes: nil
833        pixelsWide: MAX_PIECES pixelsHigh: BAR_HEIGHT bitsPerSample: 8 samplesPerPixel: 4 hasAlpha: YES
834        isPlanar: NO colorSpaceName: NSCalibratedRGBColorSpace bytesPerRow: 0 bitsPerPixel: 0];
835   
836    fPieces = malloc(MAX_PIECES);
837    int i;
838    for (i = 0; i < MAX_PIECES; i++)
839        fPieces[i] = BLANK_PIECE;
840
841    [self update];
842    return self;
843}
844
845- (NSImage *) advancedBar
846{
847    int h, w;
848    uint32_t * p;
849    uint8_t * bitmapData = [fBitmap bitmapData];
850    int bytesPerRow = [fBitmap bytesPerRow];
851
852    int8_t * pieces = malloc(MAX_PIECES);
853    [self getAvailability: pieces size: MAX_PIECES];
854   
855    //lines 2 to 14: blue or grey depending on whether we have the piece or not
856    int have = 0, avail = 0;
857    uint32_t color;
858    BOOL change;
859    for (w = 0; w < MAX_PIECES; w++)
860    {
861        change = NO;
862        if (pieces[w] < 0)
863        {
864            if (fPieces[w] != -1)
865            {
866                color = kGreen;
867                fPieces[w] = -1;
868                change = YES;
869            }
870            have++;
871        }
872        else if (pieces[w] == 0)
873        {
874            if (fPieces[w] != 0)
875            {
876                color = kGray;
877                fPieces[w] = 0;
878                change = YES;
879            }
880        }
881        else
882        {
883            if (pieces[w] == 1)
884            {
885                if (fPieces[w] != 1)
886                {
887                    color = kBlue1;
888                    fPieces[w] = 1;
889                    change = YES;
890                }
891            }
892            else if (pieces[w] == 2)
893            {
894                if (fPieces[w] != 2)
895                {
896                    color = kBlue2;
897                    fPieces[w] = 2;
898                    change = YES;
899                }
900            }
901            else
902            {
903                if (fPieces[w] != 3)
904                {
905                    color = kBlue3;
906                    fPieces[w] = 3;
907                    change = YES;
908                }
909            }
910            avail++;
911        }
912       
913        if (change)
914        {
915            //point to pixel (w, 2) and draw "vertically"
916            p = (uint32_t *)(bitmapData + 2 * bytesPerRow) + w;
917            for (h = 2; h < BAR_HEIGHT; h++)
918            {
919                p[0] = color;
920                p = (uint32_t *)((uint8_t *)p + bytesPerRow);
921            }
922        }
923    }
924   
925    //first two lines: dark blue to show progression, green to show available
926    p = (uint32_t *) bitmapData;
927    for (w = 0; w < have; w++)
928    {
929        p[w] = kBlue4;
930        p[w + bytesPerRow / 4] = kBlue4;
931    }
932    for (; w < avail + have; w++)
933    {
934        p[w] = kGreen;
935        p[w + bytesPerRow / 4] = kGreen;
936    }
937    for (; w < MAX_PIECES; w++)
938    {
939        p[w] = kWhite;
940        p[w + bytesPerRow / 4] = kWhite;
941    }
942   
943    free(pieces);
944   
945    //actually draw image
946    NSImage * bar = [[NSImage alloc] initWithSize: [fBitmap size]];
947    [bar addRepresentation: fBitmap];
948    [bar setScalesWhenResized: YES];
949   
950    return [bar autorelease];
951}
952
953- (void) trashFile: (NSString *) path
954{
955    //attempt to move to trash
956    if (![[NSWorkspace sharedWorkspace] performFileOperation: NSWorkspaceRecycleOperation
957            source: [path stringByDeletingLastPathComponent] destination: @""
958            files: [NSArray arrayWithObject: [path lastPathComponent]] tag: nil])
959    {
960        //if cannot trash, just delete it (will work if it is on a remote volume)
961        if (![[NSFileManager defaultManager] removeFileAtPath: path handler: nil])
962            NSLog([@"Could not trash " stringByAppendingString: path]);
963    }
964}
965
966@end
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