source: trunk/macosx/Torrent.m @ 6047

Last change on this file since 6047 was 6047, checked in by livings124, 14 years ago

avoid unnecessary memory allocation when updating the rpc access list

  • Property svn:keywords set to Date Rev Author Id
File size: 62.2 KB
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1/******************************************************************************
2 * $Id: Torrent.m 6047 2008-06-05 05:00:24Z livings124 $
3 *
4 * Copyright (c) 2006-2008 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 "GroupsController.h"
27#import "FileListNode.h"
28#import "NSApplicationAdditions.h"
29#import "NSStringAdditions.h"
30#include "utils.h" //tr_httpIsValidURL
31
32@interface Torrent (Private)
33
34- (id) initWithHash: (NSString *) hashString path: (NSString *) path torrentStruct: (tr_torrent *) torrentStruct lib: (tr_handle *) lib
35        publicTorrent: (NSNumber *) publicTorrent
36        downloadFolder: (NSString *) downloadFolder
37        useIncompleteFolder: (NSNumber *) useIncompleteFolder incompleteFolder: (NSString *) incompleteFolder
38        ratioSetting: (NSNumber *) ratioSetting ratioLimit: (NSNumber *) ratioLimit
39        waitToStart: (NSNumber *) waitToStart
40        orderValue: (NSNumber *) orderValue groupValue: (NSNumber *) groupValue addedTrackers: (NSNumber *) addedTrackers;
41
42- (BOOL) shouldUseIncompleteFolderForName: (NSString *) name;
43- (void) updateDownloadFolder;
44
45- (void) createFileList;
46- (void) insertPath: (NSMutableArray *) components forParent: (FileListNode *) parent fileSize: (uint64_t) size index: (int) index;
47
48- (void) completenessChange: (NSNumber *) status;
49
50- (void) quickPause;
51- (void) endQuickPause;
52
53- (NSString *) etaString: (int) eta;
54
55- (void) updateAllTrackers: (NSMutableArray *) trackers;
56
57- (void) trashFile: (NSString *) path;
58
59- (void) setTimeMachineExclude: (BOOL) exclude forPath: (NSString *) path;
60
61@end
62
63void completenessChangeCallback(tr_torrent * torrent, cp_status_t status, void * torrentData)
64{
65    [(Torrent *)torrentData performSelectorOnMainThread: @selector(completenessChange:)
66                withObject: [[NSNumber alloc] initWithInt: status] waitUntilDone: NO];
67}
68
69@implementation Torrent
70
71- (id) initWithPath: (NSString *) path location: (NSString *) location deleteTorrentFile: (torrentFileState) torrentDelete
72        lib: (tr_handle *) lib
73{
74    self = [self initWithHash: nil path: path torrentStruct: NULL lib: lib
75            publicTorrent: torrentDelete != TORRENT_FILE_DEFAULT
76                            ? [NSNumber numberWithBool: torrentDelete == TORRENT_FILE_SAVE] : nil
77            downloadFolder: location
78            useIncompleteFolder: nil incompleteFolder: nil
79            ratioSetting: nil ratioLimit: nil
80            waitToStart: nil orderValue: nil groupValue: nil addedTrackers: nil];
81   
82    if (self)
83    {
84        if (!fPublicTorrent)
85            [self trashFile: path];
86    }
87    return self;
88}
89
90- (id) initWithTorrentStruct: (tr_torrent *) torrentStruct location: (NSString *) location lib: (tr_handle *) lib
91{
92    self = [self initWithHash: nil path: nil torrentStruct: torrentStruct lib: lib
93            publicTorrent: [NSNumber numberWithBool: NO]
94            downloadFolder: location
95            useIncompleteFolder: nil incompleteFolder: nil
96            ratioSetting: nil ratioLimit: nil
97            waitToStart: nil orderValue: nil groupValue: nil addedTrackers: nil];
98   
99    return self;
100}
101
102- (id) initWithHistory: (NSDictionary *) history lib: (tr_handle *) lib
103{
104    self = [self initWithHash: [history objectForKey: @"TorrentHash"]
105                path: [history objectForKey: @"TorrentPath"] torrentStruct: NULL lib: lib
106                publicTorrent: [history objectForKey: @"PublicCopy"]
107                downloadFolder: [history objectForKey: @"DownloadFolder"]
108                useIncompleteFolder: [history objectForKey: @"UseIncompleteFolder"]
109                incompleteFolder: [history objectForKey: @"IncompleteFolder"]
110                ratioSetting: [history objectForKey: @"RatioSetting"]
111                ratioLimit: [history objectForKey: @"RatioLimit"]
112                waitToStart: [history objectForKey: @"WaitToStart"]
113                orderValue: [history objectForKey: @"OrderValue"]
114                groupValue: [history objectForKey: @"GroupValue"]
115                addedTrackers: [history objectForKey: @"AddedTrackers"]];
116   
117    if (self)
118    {
119        //start transfer
120        NSNumber * active;
121        if ((active = [history objectForKey: @"Active"]) && [active boolValue])
122        {
123            fStat = tr_torrentStat(fHandle);
124            [self startTransfer];
125        }
126       
127        #warning remove after 1.3 (from libT as well)
128        //get old added, activity, and done dates
129        NSDate * date;
130        if ((date = [history objectForKey: @"Date"]))
131            tr_torrentSetAddedDate(fHandle, [date timeIntervalSince1970]);
132        if ((date = [history objectForKey: @"DateActivity"]))
133            tr_torrentSetActivityDate(fHandle, [date timeIntervalSince1970]);
134        if ((date = [history objectForKey: @"DateCompleted"]))
135            tr_torrentSetDoneDate(fHandle, [date timeIntervalSince1970]);
136    }
137    return self;
138}
139
140- (NSDictionary *) history
141{
142    NSMutableDictionary * history = [NSMutableDictionary dictionaryWithObjectsAndKeys:
143                    [NSNumber numberWithBool: fPublicTorrent], @"PublicCopy",
144                    [self hashString], @"TorrentHash",
145                    fDownloadFolder, @"DownloadFolder",
146                    [NSNumber numberWithBool: fUseIncompleteFolder], @"UseIncompleteFolder",
147                    [NSNumber numberWithBool: [self isActive]], @"Active",
148                    [NSNumber numberWithInt: fRatioSetting], @"RatioSetting",
149                    [NSNumber numberWithFloat: fRatioLimit], @"RatioLimit",
150                    [NSNumber numberWithBool: fWaitToStart], @"WaitToStart",
151                    [NSNumber numberWithInt: fOrderValue], @"OrderValue",
152                    [NSNumber numberWithInt: fGroupValue], @"GroupValue",
153                    [NSNumber numberWithBool: fAddedTrackers], @"AddedTrackers", nil];
154   
155    if (fIncompleteFolder)
156        [history setObject: fIncompleteFolder forKey: @"IncompleteFolder"];
157
158    if (fPublicTorrent)
159        [history setObject: [self publicTorrentLocation] forKey: @"TorrentPath"];
160       
161    return history;
162}
163
164- (void) dealloc
165{
166    [[NSNotificationCenter defaultCenter] removeObserver: self];
167   
168    if (fFileStat)
169        tr_torrentFilesFree(fFileStat, [self fileCount]);
170   
171    if (fPreviousFinishedPieces != NULL)
172        free(fPreviousFinishedPieces);
173    [fFinishedPiecesDate release];
174   
175    [fNameString release];
176    [fHashString release];
177   
178    [fDownloadFolder release];
179    [fIncompleteFolder release];
180   
181    [fPublicTorrentLocation release];
182   
183    [fIcon release];
184   
185    [fFileList release];
186   
187    [fQuickPauseDict release];
188   
189    [super dealloc];
190}
191
192- (NSString *) description
193{
194    return [@"Torrent: " stringByAppendingString: [self name]];
195}
196
197- (void) closeRemoveTorrentInterface
198{
199    //allow the file to be index by Time Machine
200    [self setTimeMachineExclude: NO forPath: [[self downloadFolder] stringByAppendingPathComponent: [self name]]];
201}
202
203- (void) closeRemoveTorrent
204{
205    [self closeRemoveTorrentInterface];
206   
207    tr_torrentRemove(fHandle);
208}
209
210- (void) changeIncompleteDownloadFolder: (NSString *) folder
211{
212    fUseIncompleteFolder = folder != nil;
213   
214    [fIncompleteFolder release];
215    fIncompleteFolder = fUseIncompleteFolder ? [folder retain] : nil;
216   
217    [self updateDownloadFolder];
218}
219
220- (void) changeDownloadFolder: (NSString *) folder
221{
222    [fDownloadFolder release];
223    fDownloadFolder = [folder retain];
224   
225    [self updateDownloadFolder];
226}
227
228- (NSString *) downloadFolder
229{
230    return [NSString stringWithUTF8String: tr_torrentGetDownloadDir(fHandle)];
231}
232
233- (void) getAvailability: (int8_t *) tab size: (int) size
234{
235    tr_torrentAvailability(fHandle, tab, size);
236}
237
238- (void) getAmountFinished: (float *) tab size: (int) size
239{
240    tr_torrentAmountFinished(fHandle, tab, size);
241}
242
243- (float *) getPreviousAmountFinished
244{
245    if (fFinishedPiecesDate && [fFinishedPiecesDate timeIntervalSinceNow] > -2.0)
246        return fPreviousFinishedPieces;
247    else
248        return NULL;
249}
250
251-(void) setPreviousAmountFinished: (float *) tab
252{
253    if (fPreviousFinishedPieces != NULL)
254        free(fPreviousFinishedPieces);
255    fPreviousFinishedPieces = tab;
256   
257    [fFinishedPiecesDate release];
258    fFinishedPiecesDate = tab != NULL ? [[NSDate alloc] init] : nil;
259}
260
261#warning when queue and seeding options are folded into libt, no need to call this on all torrents - use tr_torrentGetStatus
262- (void) update
263{
264    //get previous status values before update
265    BOOL wasChecking = NO, wasError = NO, wasStalled = NO;
266    if (fStat != NULL)
267    {
268        wasChecking = [self isChecking];
269        wasError = [self isError];
270        wasStalled = fStalled;
271    }
272   
273    fStat = tr_torrentStat(fHandle);
274   
275    //check to stop for ratio
276    float stopRatio;
277    if ([self isSeeding] && (stopRatio = [self actualStopRatio]) != INVALID && [self ratio] >= stopRatio)
278    {
279        [self setRatioSetting: NSOffState];
280        [[NSNotificationCenter defaultCenter] postNotificationName: @"TorrentStoppedForRatio" object: self];
281       
282        [self stopTransfer];
283        fStat = tr_torrentStat(fHandle);
284       
285        fFinishedSeeding = YES;
286    }
287   
288    //check if stalled (stored because based on time and needs to check if it was previously stalled)
289    fStalled = [self isActive] && [fDefaults boolForKey: @"CheckStalled"]
290                && [self stalledMinutes] > [fDefaults integerForKey: @"StalledMinutes"];
291   
292    //update queue for checking (from downloading to seeding), stalled, or error
293    if ((wasChecking && ![self isChecking]) || (wasStalled != fStalled) || (!wasError && [self isError] && [self isActive]))
294        [[NSNotificationCenter defaultCenter] postNotificationName: @"UpdateQueue" object: self];
295}
296
297- (void) startTransfer
298{
299    fWaitToStart = NO;
300    fFinishedSeeding = NO;
301   
302    if (![self isActive] && [self alertForFolderAvailable] && [self alertForRemainingDiskSpace])
303    {
304        tr_torrentStart(fHandle);
305        [self update];
306    }
307}
308
309- (void) stopTransfer
310{
311    fWaitToStart = NO;
312   
313    if ([self isActive])
314    {
315        tr_torrentStop(fHandle);
316        [self update];
317       
318        [[NSNotificationCenter defaultCenter] postNotificationName: @"UpdateQueue" object: self];
319    }
320}
321
322- (void) sleep
323{
324    if ((fResumeOnWake = [self isActive]))
325        tr_torrentStop(fHandle);
326}
327
328- (void) wakeUp
329{
330    if (fResumeOnWake)
331        tr_torrentStart(fHandle);
332}
333
334- (void) manualAnnounce
335{
336    tr_torrentManualUpdate(fHandle);
337}
338
339- (BOOL) canManualAnnounce
340{
341    return tr_torrentCanManualUpdate(fHandle);
342}
343
344- (void) resetCache
345{
346    tr_torrentVerify(fHandle);
347    [self update];
348}
349
350- (float) ratio
351{
352    return fStat->ratio;
353}
354
355- (int) ratioSetting
356{
357    return fRatioSetting;
358}
359
360- (void) setRatioSetting: (int) setting
361{
362    fRatioSetting = setting;
363}
364
365- (float) ratioLimit
366{
367    return fRatioLimit;
368}
369
370- (void) setRatioLimit: (float) limit
371{
372    if (limit >= 0)
373        fRatioLimit = limit;
374}
375
376- (float) actualStopRatio
377{
378    if (fRatioSetting == NSOnState)
379        return fRatioLimit;
380    else if (fRatioSetting == NSMixedState && [fDefaults boolForKey: @"RatioCheck"])
381        return [fDefaults floatForKey: @"RatioLimit"];
382    else
383        return INVALID;
384}
385
386- (float) progressStopRatio
387{
388    float stopRatio, ratio;
389    if ((stopRatio = [self actualStopRatio]) == INVALID || (ratio = [self ratio]) >= stopRatio)
390        return 1.0;
391    else if (stopRatio > 0)
392        return ratio / stopRatio;
393    else
394        return 0;
395}
396
397- (tr_speedlimit) speedMode: (BOOL) upload
398{
399    return tr_torrentGetSpeedMode(fHandle, upload ? TR_UP : TR_DOWN);
400}
401
402- (void) setSpeedMode: (tr_speedlimit) mode upload: (BOOL) upload
403{
404    tr_torrentSetSpeedMode(fHandle, upload ? TR_UP : TR_DOWN, mode);
405}
406
407- (int) speedLimit: (BOOL) upload
408{
409    return tr_torrentGetSpeedLimit(fHandle, upload ? TR_UP : TR_DOWN);
410}
411
412- (void) setSpeedLimit: (int) limit upload: (BOOL) upload
413{
414    tr_torrentSetSpeedLimit(fHandle, upload ? TR_UP : TR_DOWN, limit);
415}
416
417- (void) setMaxPeerConnect: (uint16_t) count
418{
419    if (count > 0)
420        tr_torrentSetPeerLimit(fHandle, count);
421}
422
423- (uint16_t) maxPeerConnect
424{
425    return tr_torrentGetPeerLimit(fHandle);
426}
427
428- (void) setWaitToStart: (BOOL) wait
429{
430    fWaitToStart = wait;
431}
432
433- (BOOL) waitingToStart
434{
435    return fWaitToStart;
436}
437
438- (void) revealData
439{
440    [[NSWorkspace sharedWorkspace] selectFile: [self dataLocation] inFileViewerRootedAtPath: nil];
441}
442
443- (void) revealPublicTorrent
444{
445    if (fPublicTorrent)
446        [[NSWorkspace sharedWorkspace] selectFile: fPublicTorrentLocation inFileViewerRootedAtPath: nil];
447}
448
449- (void) trashData
450{
451    [self trashFile: [self dataLocation]];
452}
453
454- (void) trashTorrent
455{
456    if (fPublicTorrent)
457    {
458        [self trashFile: fPublicTorrentLocation];
459        [fPublicTorrentLocation release];
460        fPublicTorrentLocation = nil;
461       
462        fPublicTorrent = NO;
463    }
464}
465
466- (void) moveTorrentDataFileTo: (NSString *) folder
467{
468    NSString * oldFolder = [self downloadFolder];
469    if (![oldFolder isEqualToString: folder] || ![fDownloadFolder isEqualToString: folder])
470    {
471        //check if moving inside itself
472        NSArray * oldComponents = [oldFolder pathComponents],
473                * newComponents = [folder pathComponents];
474        int count;
475       
476        if ((count = [oldComponents count]) < [newComponents count]
477                && [[newComponents objectAtIndex: count] isEqualToString: [self name]]
478                && [oldComponents isEqualToArray:
479                        [newComponents objectsAtIndexes: [NSIndexSet indexSetWithIndexesInRange: NSMakeRange(0, count)]]])
480        {
481            NSAlert * alert = [[NSAlert alloc] init];
482            [alert setMessageText: NSLocalizedString(@"A folder cannot be moved to inside itself.",
483                                                        "Move inside itself alert -> title")];
484            [alert setInformativeText: [NSString stringWithFormat:
485                            NSLocalizedString(@"The move operation of \"%@\" cannot be done.",
486                                                "Move inside itself alert -> message"), [self name]]];
487            [alert addButtonWithTitle: NSLocalizedString(@"OK", "Move inside itself alert -> button")];
488           
489            [alert runModal];
490            [alert release];
491           
492            return;
493        }
494       
495        [self quickPause];
496       
497        //allow if file can be moved or does not exist
498        if ([[NSFileManager defaultManager] movePath: [oldFolder stringByAppendingPathComponent: [self name]]
499                            toPath: [folder stringByAppendingPathComponent: [self name]] handler: nil]
500            || ![[NSFileManager defaultManager] fileExistsAtPath: [oldFolder stringByAppendingPathComponent: [self name]]])
501        {
502            //get rid of both incomplete folder and old download folder, even if move failed
503            fUseIncompleteFolder = NO;
504            if (fIncompleteFolder)
505            {
506                [fIncompleteFolder release];
507                fIncompleteFolder = nil;
508            }
509            [self changeDownloadFolder: folder];
510           
511            [[NSNotificationCenter defaultCenter] postNotificationName: @"UpdateStats" object: nil];
512           
513            [self endQuickPause];
514        }
515        else
516        {
517            [self endQuickPause];
518       
519            NSAlert * alert = [[NSAlert alloc] init];
520            [alert setMessageText: NSLocalizedString(@"There was an error moving the data file.", "Move error alert -> title")];
521            [alert setInformativeText: [NSString stringWithFormat:
522                            NSLocalizedString(@"The move operation of \"%@\" cannot be done.",
523                                                "Move error alert -> message"), [self name]]];
524            [alert addButtonWithTitle: NSLocalizedString(@"OK", "Move error alert -> button")];
525           
526            [alert runModal];
527            [alert release];
528        }
529    }
530}
531
532- (void) copyTorrentFileTo: (NSString *) path
533{
534    [[NSFileManager defaultManager] copyPath: [self torrentLocation] toPath: path handler: nil];
535}
536
537- (BOOL) alertForRemainingDiskSpace
538{
539    if ([self allDownloaded] || ![fDefaults boolForKey: @"WarningRemainingSpace"])
540        return YES;
541   
542    NSFileManager * fileManager = [NSFileManager defaultManager];
543    NSString * downloadFolder = [self downloadFolder];
544   
545    NSString * volumeName;
546    if ((volumeName = [[fileManager componentsToDisplayForPath: downloadFolder] objectAtIndex: 0]))
547    {
548        BOOL onLeopard = [NSApp isOnLeopardOrBetter];
549       
550        NSDictionary * systemAttributes = onLeopard ? [fileManager attributesOfFileSystemForPath: downloadFolder error: NULL]
551                                            : [fileManager fileSystemAttributesAtPath: downloadFolder];
552        uint64_t remainingSpace = [[systemAttributes objectForKey: NSFileSystemFreeSize] unsignedLongLongValue], neededSpace = 0;
553       
554        //if the size left is less then remaining space, then there is enough space regardless of preallocation
555        if (remainingSpace < [self sizeLeft])
556        {
557            [self updateFileStat];
558           
559            //determine amount needed
560            int i;
561            for (i = 0; i < [self fileCount]; i++)
562            {
563                if (tr_torrentGetFileDL(fHandle, i))
564                {
565                    tr_file * file = &fInfo->files[i];
566                   
567                    neededSpace += file->length;
568                   
569                    NSString * path = [downloadFolder stringByAppendingPathComponent: [NSString stringWithUTF8String: file->name]];
570                    NSDictionary * fileAttributes = onLeopard ? [fileManager attributesOfItemAtPath: path error: NULL]
571                                                        : [fileManager fileAttributesAtPath: path traverseLink: NO];
572                    if (fileAttributes)
573                    {
574                        unsigned long long fileSize = [[fileAttributes objectForKey: NSFileSize] unsignedLongLongValue];
575                        if (fileSize < neededSpace)
576                            neededSpace -= fileSize;
577                        else
578                            neededSpace = 0;
579                    }
580                }
581            }
582           
583            if (remainingSpace < neededSpace)
584            {
585                NSAlert * alert = [[NSAlert alloc] init];
586                [alert setMessageText: [NSString stringWithFormat:
587                                        NSLocalizedString(@"Not enough remaining disk space to download \"%@\" completely.",
588                                            "Torrent disk space alert -> title"), [self name]]];
589                [alert setInformativeText: [NSString stringWithFormat: NSLocalizedString(@"The transfer will be paused."
590                                            " Clear up space on %@ or deselect files in the torrent inspector to continue.",
591                                            "Torrent disk space alert -> message"), volumeName]];
592                [alert addButtonWithTitle: NSLocalizedString(@"OK", "Torrent disk space alert -> button")];
593                [alert addButtonWithTitle: NSLocalizedString(@"Download Anyway", "Torrent disk space alert -> button")];
594               
595                if (onLeopard)
596                {
597                    [alert setShowsSuppressionButton: YES];
598                    [[alert suppressionButton] setTitle: NSLocalizedString(@"Do not check disk space again",
599                                                            "Torrent disk space alert -> button")];
600                }
601                else
602                    [alert addButtonWithTitle: NSLocalizedString(@"Always Download", "Torrent disk space alert -> button")];
603
604                NSInteger result = [alert runModal];
605                if ((onLeopard ? [[alert suppressionButton] state] == NSOnState : result == NSAlertThirdButtonReturn))
606                    [fDefaults setBool: NO forKey: @"WarningRemainingSpace"];
607                [alert release];
608               
609                return result != NSAlertFirstButtonReturn;
610            }
611        }
612    }
613    return YES;
614}
615
616- (BOOL) alertForFolderAvailable
617{
618    #warning check for change from incomplete to download folder first
619    if (access(tr_torrentGetDownloadDir(fHandle), 0))
620    {
621        NSAlert * alert = [[NSAlert alloc] init];
622        [alert setMessageText: [NSString stringWithFormat:
623                                NSLocalizedString(@"The folder for downloading \"%@\" cannot be used.",
624                                    "Folder cannot be used alert -> title"), [self name]]];
625        [alert setInformativeText: [NSString stringWithFormat:
626                        NSLocalizedString(@"\"%@\" cannot be used. The transfer will be paused.",
627                                            "Folder cannot be used alert -> message"), [self downloadFolder]]];
628        [alert addButtonWithTitle: NSLocalizedString(@"OK", "Folder cannot be used alert -> button")];
629        [alert addButtonWithTitle: [NSLocalizedString(@"Choose New Location",
630                                    "Folder cannot be used alert -> location button") stringByAppendingEllipsis]];
631       
632        if ([alert runModal] != NSAlertFirstButtonReturn)
633        {
634            NSOpenPanel * panel = [NSOpenPanel openPanel];
635           
636            [panel setPrompt: NSLocalizedString(@"Select", "Folder cannot be used alert -> prompt")];
637            [panel setAllowsMultipleSelection: NO];
638            [panel setCanChooseFiles: NO];
639            [panel setCanChooseDirectories: YES];
640            [panel setCanCreateDirectories: YES];
641
642            [panel setMessage: [NSString stringWithFormat: NSLocalizedString(@"Select the download folder for \"%@\"",
643                                "Folder cannot be used alert -> select destination folder"), [self name]]];
644           
645            [[NSNotificationCenter defaultCenter] postNotificationName: @"MakeWindowKey" object: nil];
646            [panel beginSheetForDirectory: nil file: nil types: nil modalForWindow: [NSApp keyWindow] modalDelegate: self
647                    didEndSelector: @selector(destinationChoiceClosed:returnCode:contextInfo:) contextInfo: nil];
648        }
649       
650        [alert release];
651       
652        return NO;
653    }
654    return YES;
655}
656
657- (void) destinationChoiceClosed: (NSOpenPanel *) openPanel returnCode: (int) code contextInfo: (void *) context
658{
659    if (code != NSOKButton)
660        return;
661   
662    [self changeDownloadFolder: [[openPanel filenames] objectAtIndex: 0]];
663   
664    [self startTransfer];
665    [self update];
666   
667    [[NSNotificationCenter defaultCenter] postNotificationName: @"UpdateStats" object: nil];
668}
669
670- (BOOL) alertForMoveFolderAvailable
671{
672    if (access([fDownloadFolder UTF8String], 0))
673    {
674        NSAlert * alert = [[NSAlert alloc] init];
675        [alert setMessageText: [NSString stringWithFormat:
676                                NSLocalizedString(@"The folder for moving the completed \"%@\" cannot be used.",
677                                    "Move folder cannot be used alert -> title"), [self name]]];
678        [alert setInformativeText: [NSString stringWithFormat:
679                                NSLocalizedString(@"\"%@\" cannot be used. The file will remain in its current location.",
680                                    "Move folder cannot be used alert -> message"), fDownloadFolder]];
681        [alert addButtonWithTitle: NSLocalizedString(@"OK", "Move folder cannot be used alert -> button")];
682       
683        [alert runModal];
684        [alert release];
685       
686        return NO;
687    }
688   
689    return YES;
690}
691
692- (NSImage *) icon
693{
694    if (!fIcon)
695    {
696        fIcon = [[[NSWorkspace sharedWorkspace] iconForFileType: [self isFolder] ? NSFileTypeForHFSTypeCode('fldr')
697                                                : [[self name] pathExtension]] retain];
698        [fIcon setFlipped: YES];
699    }
700    return fIcon;
701}
702
703- (NSString *) name
704{
705    return fNameString;
706}
707
708- (BOOL) isFolder
709{
710    return fInfo->isMultifile;
711}
712
713- (uint64_t) size
714{
715    return fInfo->totalSize;
716}
717
718- (uint64_t) sizeLeft
719{
720    return fStat->leftUntilDone;
721}
722
723- (NSString *) trackerAddressAnnounce
724{
725    return fStat->announceURL ? [NSString stringWithUTF8String: fStat->announceURL] : nil;
726}
727
728- (NSDate *) lastAnnounceTime
729{
730    int date = fStat->lastAnnounceTime;
731    return date > 0 ? [NSDate dateWithTimeIntervalSince1970: date] : nil;
732}
733
734- (int) nextAnnounceTime
735{
736    int date = fStat->nextAnnounceTime;
737    if (date <= 0)
738        return -1;
739   
740    NSTimeInterval difference = [[NSDate dateWithTimeIntervalSince1970: date] timeIntervalSinceNow];
741    return difference > 0 ? (int)difference : -1;
742}
743
744- (NSString *) announceResponse
745{
746    return [NSString stringWithUTF8String: fStat->announceResponse];
747}
748
749- (NSString *) trackerAddressScrape
750{
751    return fStat->scrapeURL ? [NSString stringWithUTF8String: fStat->scrapeURL] : nil;
752}
753
754- (NSDate *) lastScrapeTime
755{
756    int date = fStat->lastScrapeTime;
757    return date > 0 ? [NSDate dateWithTimeIntervalSince1970: date] : nil;
758}
759
760- (int) nextScrapeTime
761{
762    int date = fStat->nextScrapeTime;
763    if (date <= 0)
764        return -1;
765   
766    NSTimeInterval difference = [[NSDate dateWithTimeIntervalSince1970: date] timeIntervalSinceNow];
767    return difference > 0 ? (int)difference : -1;
768}
769
770- (NSString *) scrapeResponse
771{
772    return [NSString stringWithUTF8String: fStat->scrapeResponse];
773}
774
775- (NSMutableArray *) allTrackers: (BOOL) separators
776{
777    int count = fInfo->trackerCount, capacity = count;
778    if (separators)
779        capacity += fInfo->trackers[count-1].tier + 1;
780    NSMutableArray * allTrackers = [NSMutableArray arrayWithCapacity: capacity];
781   
782    int i, tier = -1;
783    for (i = 0; i < count; i++)
784    {
785        if (separators && tier != fInfo->trackers[i].tier)
786        {
787            tier = fInfo->trackers[i].tier;
788            [allTrackers addObject: [NSNumber numberWithInt: fAddedTrackers ? tier : tier + 1]];
789        }
790       
791        [allTrackers addObject: [NSString stringWithUTF8String: fInfo->trackers[i].announce]];
792    }
793   
794    return allTrackers;
795}
796
797- (BOOL) updateAllTrackersForAdd: (NSMutableArray *) trackers
798{
799    //find added tracker at end of first tier
800    int i;
801    for (i = 1; i < [trackers count]; i++)
802        if ([[trackers objectAtIndex: i] isKindOfClass: [NSNumber class]])
803            break;
804    i--;
805   
806    NSString * tracker = [trackers objectAtIndex: i];
807    if ([tracker rangeOfString: @"://"].location == NSNotFound)
808    {
809        tracker = [@"http://" stringByAppendingString: tracker];
810        [trackers replaceObjectAtIndex: i withObject: tracker];
811    }
812   
813    if (!tr_httpIsValidURL([tracker UTF8String]))
814        return NO;
815   
816    [self updateAllTrackers: trackers];
817   
818    fAddedTrackers = YES;
819    return YES;
820}
821
822- (BOOL) updateAllTrackersForRemove: (NSMutableArray *) trackers
823{
824    //check if no user-added groups
825    if ([[trackers objectAtIndex: 0] intValue] != 0)
826        fAddedTrackers = NO;
827   
828    [self updateAllTrackers: trackers];
829   
830    return YES;
831}
832
833- (BOOL) hasAddedTrackers
834{
835    return fAddedTrackers;
836}
837
838- (NSString *) comment
839{
840    return [NSString stringWithUTF8String: fInfo->comment];
841}
842
843- (NSString *) creator
844{
845    return [NSString stringWithUTF8String: fInfo->creator];
846}
847
848- (NSDate *) dateCreated
849{
850    int date = fInfo->dateCreated;
851    return date > 0 ? [NSDate dateWithTimeIntervalSince1970: date] : nil;
852}
853
854- (int) pieceSize
855{
856    return fInfo->pieceSize;
857}
858
859- (int) pieceCount
860{
861    return fInfo->pieceCount;
862}
863
864- (NSString *) hashString
865{
866    return fHashString;
867}
868
869- (BOOL) privateTorrent
870{
871    return fInfo->isPrivate;
872}
873
874- (NSString *) torrentLocation
875{
876    return [NSString stringWithUTF8String: fInfo->torrent];
877}
878
879- (NSString *) publicTorrentLocation
880{
881    return fPublicTorrentLocation;
882}
883
884- (NSString *) dataLocation
885{
886    return [[self downloadFolder] stringByAppendingPathComponent: [self name]];
887}
888
889- (BOOL) publicTorrent
890{
891    return fPublicTorrent;
892}
893
894- (float) progress
895{
896    return fStat->percentComplete;
897}
898
899- (float) progressDone
900{
901    return fStat->percentDone;
902}
903
904- (float) progressLeft
905{
906    return (float)[self sizeLeft] / [self size];
907}
908
909- (float) checkingProgress
910{
911    return fStat->recheckProgress;
912}
913
914- (int) eta
915{
916    return fStat->eta;
917}
918
919- (int) etaRatio
920{
921    if (![self isSeeding])
922        return TR_ETA_UNKNOWN;
923   
924    float uploadRate = [self uploadRate];
925    if (uploadRate < 0.1)
926        return TR_ETA_UNKNOWN;
927   
928    float stopRatio = [self actualStopRatio], ratio = [self ratio];
929    if (stopRatio == INVALID || ratio >= stopRatio)
930        return TR_ETA_UNKNOWN;
931   
932    return (float)MAX([self downloadedTotal], [self haveTotal]) * (stopRatio - ratio) / uploadRate / 1024.0;
933}
934
935- (float) notAvailableDesired
936{
937    return 1.0 - (float)fStat->desiredAvailable / [self sizeLeft];
938}
939
940- (BOOL) isActive
941{
942    return fStat->status != TR_STATUS_STOPPED;
943}
944
945- (BOOL) isSeeding
946{
947    return fStat->status == TR_STATUS_SEED;
948}
949
950- (BOOL) isChecking
951{
952    return fStat->status == TR_STATUS_CHECK || fStat->status == TR_STATUS_CHECK_WAIT;
953}
954
955- (BOOL) isCheckingWaiting
956{
957    return fStat->status == TR_STATUS_CHECK_WAIT;
958}
959
960- (BOOL) allDownloaded
961{
962    return [self progressDone] >= 1.0;
963}
964
965- (BOOL) isComplete
966{
967    return [self progress] >= 1.0;
968}
969
970- (BOOL) isError
971{
972    return fStat->error != TR_OK;
973}
974
975- (NSString *) errorMessage
976{
977    if (![self isError])
978        return @"";
979   
980    NSString * error;
981    if (!(error = [NSString stringWithUTF8String: fStat->errorString])
982        && !(error = [NSString stringWithCString: fStat->errorString encoding: NSISOLatin1StringEncoding]))
983        error = [NSString stringWithFormat: @"(%@)", NSLocalizedString(@"unreadable error", "Torrent -> error string unreadable")];
984   
985    return error;
986}
987
988- (NSArray *) peers
989{
990    int totalPeers, i;
991    tr_peer_stat * peers = tr_torrentPeers(fHandle, &totalPeers);
992   
993    NSMutableArray * peerDicts = [NSMutableArray arrayWithCapacity: totalPeers];
994   
995    for (i = 0; i < totalPeers; i++)
996    {
997        tr_peer_stat * peer = &peers[i];
998        NSMutableDictionary * dict = [NSMutableDictionary dictionaryWithCapacity: 9];
999       
1000        [dict setObject: [NSNumber numberWithInt: peer->from] forKey: @"From"];
1001        [dict setObject: [NSString stringWithUTF8String: peer->addr] forKey: @"IP"];
1002        [dict setObject: [NSNumber numberWithInt: peer->port] forKey: @"Port"];
1003        [dict setObject: [NSNumber numberWithFloat: peer->progress] forKey: @"Progress"];
1004        [dict setObject: [NSNumber numberWithBool: peer->isEncrypted] forKey: @"Encryption"];
1005        [dict setObject: [NSString stringWithUTF8String: peer->client] forKey: @"Client"];
1006        [dict setObject: [NSString stringWithUTF8String: peer->flagStr] forKey: @"Flags"];
1007       
1008        if (peer->isUploadingTo)
1009            [dict setObject: [NSNumber numberWithFloat: peer->uploadToRate] forKey: @"UL To Rate"];
1010        if (peer->isDownloadingFrom)
1011            [dict setObject: [NSNumber numberWithFloat: peer->downloadFromRate] forKey: @"DL From Rate"];
1012       
1013        [peerDicts addObject: dict];
1014    }
1015   
1016    tr_torrentPeersFree(peers, totalPeers);
1017   
1018    return peerDicts;
1019}
1020
1021- (NSString *) progressString
1022{
1023    NSString * string;
1024   
1025    if (![self allDownloaded])
1026    {
1027        float progress;
1028        if ([self isFolder] && [fDefaults boolForKey: @"DisplayStatusProgressSelected"])
1029        {
1030            string = [NSString stringWithFormat: NSLocalizedString(@"%@ of %@ selected", "Torrent -> progress string"),
1031                        [NSString stringForFileSize: [self haveTotal]], [NSString stringForFileSize: [self totalSizeSelected]]];
1032            progress = 100.0 * [self progressDone];
1033        }
1034        else
1035        {
1036            string = [NSString stringWithFormat: NSLocalizedString(@"%@ of %@", "Torrent -> progress string"),
1037                        [NSString stringForFileSize: [self haveTotal]], [NSString stringForFileSize: [self size]]];
1038            progress = 100.0 * [self progress];
1039        }
1040       
1041        string = [NSString localizedStringWithFormat: @"%@ (%.2f%%)", string, progress];
1042    }
1043    else
1044    {
1045        NSString * downloadString;
1046        if (![self isComplete]) //only multifile possible
1047        {
1048            if ([fDefaults boolForKey: @"DisplayStatusProgressSelected"])
1049                downloadString = [NSString stringWithFormat: NSLocalizedString(@"%@ selected", "Torrent -> progress string"),
1050                                    [NSString stringForFileSize: [self haveTotal]]];
1051            else
1052            {
1053                downloadString = [NSString stringWithFormat: NSLocalizedString(@"%@ of %@", "Torrent -> progress string"),
1054                                    [NSString stringForFileSize: [self haveTotal]], [NSString stringForFileSize: [self size]]];
1055               
1056                downloadString = [NSString localizedStringWithFormat: @"%@ (%.2f%%)", downloadString, 100.0 * [self progress]];
1057            }
1058        }
1059        else
1060            downloadString = [NSString stringForFileSize: [self size]];
1061       
1062        NSString * uploadString = [NSString stringWithFormat: NSLocalizedString(@"uploaded %@ (Ratio: %@)",
1063                                    "Torrent -> progress string"), [NSString stringForFileSize: [self uploadedTotal]],
1064                                    [NSString stringForRatio: [self ratio]]];
1065       
1066        string = [downloadString stringByAppendingFormat: @", %@", uploadString];
1067    }
1068   
1069    //add time when downloading
1070    if (fStat->status == TR_STATUS_DOWNLOAD || ([self isSeeding]
1071        && (fRatioSetting == NSOnState || (fRatioSetting == NSMixedState && [fDefaults boolForKey: @"RatioCheck"]))))
1072    {
1073        int eta = fStat->status == TR_STATUS_DOWNLOAD ? [self eta] : [self etaRatio];
1074        string = [string stringByAppendingFormat: @" - %@", [self etaString: eta]];
1075    }
1076   
1077    return string;
1078}
1079
1080- (NSString *) statusString
1081{
1082    NSString * string;
1083   
1084    if ([self isError])
1085    {
1086        string = NSLocalizedString(@"Error", "Torrent -> status string");
1087        NSString * errorString = [self errorMessage];
1088        if (errorString && ![errorString isEqualToString: @""])
1089            string = [string stringByAppendingFormat: @": %@", errorString];
1090    }
1091    else
1092    {
1093        switch (fStat->status)
1094        {
1095            case TR_STATUS_STOPPED:
1096                if (fWaitToStart)
1097                {
1098                    string = ![self allDownloaded]
1099                            ? [NSLocalizedString(@"Waiting to download", "Torrent -> status string") stringByAppendingEllipsis]
1100                            : [NSLocalizedString(@"Waiting to seed", "Torrent -> status string") stringByAppendingEllipsis];
1101                }
1102                else if (fFinishedSeeding)
1103                    string = NSLocalizedString(@"Seeding complete", "Torrent -> status string");
1104                else
1105                    string = NSLocalizedString(@"Paused", "Torrent -> status string");
1106                break;
1107
1108            case TR_STATUS_CHECK_WAIT:
1109                string = [NSLocalizedString(@"Waiting to check existing data", "Torrent -> status string") stringByAppendingEllipsis];
1110                break;
1111
1112            case TR_STATUS_CHECK:
1113                string = [NSString localizedStringWithFormat: NSLocalizedString(@"Checking existing data (%.2f%%)",
1114                                        "Torrent -> status string"), 100.0 * [self checkingProgress]];
1115                break;
1116
1117            case TR_STATUS_DOWNLOAD:
1118                if ([self totalPeersConnected] != 1)
1119                    string = [NSString stringWithFormat: NSLocalizedString(@"Downloading from %d of %d peers",
1120                                                    "Torrent -> status string"), [self peersSendingToUs], [self totalPeersConnected]];
1121                else
1122                    string = [NSString stringWithFormat: NSLocalizedString(@"Downloading from %d of 1 peer",
1123                                                    "Torrent -> status string"), [self peersSendingToUs]];
1124                break;
1125
1126            case TR_STATUS_SEED:
1127                if ([self totalPeersConnected] != 1)
1128                    string = [NSString stringWithFormat: NSLocalizedString(@"Seeding to %d of %d peers", "Torrent -> status string"),
1129                                                    [self peersGettingFromUs], [self totalPeersConnected]];
1130                else
1131                    string = [NSString stringWithFormat: NSLocalizedString(@"Seeding to %d of 1 peer", "Torrent -> status string"),
1132                                                    [self peersGettingFromUs]];
1133        }
1134       
1135        if (fStalled)
1136            string = [NSLocalizedString(@"Stalled", "Torrent -> status string") stringByAppendingFormat: @", %@", string];
1137    }
1138   
1139    //append even if error
1140    if ([self isActive] && ![self isChecking])
1141    {
1142        if (fStat->status == TR_STATUS_DOWNLOAD)
1143            string = [string stringByAppendingFormat: @" - %@: %@, %@: %@",
1144                        NSLocalizedString(@"DL", "Torrent -> status string"), [NSString stringForSpeed: [self downloadRate]],
1145                        NSLocalizedString(@"UL", "Torrent -> status string"), [NSString stringForSpeed: [self uploadRate]]];
1146        else
1147            string = [string stringByAppendingFormat: @" - %@: %@",
1148                        NSLocalizedString(@"UL", "Torrent -> status string"), [NSString stringForSpeed: [self uploadRate]]];
1149    }
1150   
1151    return string;
1152}
1153
1154- (NSString *) shortStatusString
1155{
1156    NSString * string;
1157   
1158    switch (fStat->status)
1159    {
1160        case TR_STATUS_STOPPED:
1161            if (fWaitToStart)
1162            {
1163                string = ![self allDownloaded]
1164                        ? [NSLocalizedString(@"Waiting to download", "Torrent -> status string") stringByAppendingEllipsis]
1165                        : [NSLocalizedString(@"Waiting to seed", "Torrent -> status string") stringByAppendingEllipsis];
1166            }
1167            else if (fFinishedSeeding)
1168                string = NSLocalizedString(@"Seeding complete", "Torrent -> status string");
1169            else
1170                string = NSLocalizedString(@"Paused", "Torrent -> status string");
1171            break;
1172
1173        case TR_STATUS_CHECK_WAIT:
1174            string = [NSLocalizedString(@"Waiting to check existing data", "Torrent -> status string") stringByAppendingEllipsis];
1175            break;
1176
1177        case TR_STATUS_CHECK:
1178            string = [NSString localizedStringWithFormat: NSLocalizedString(@"Checking existing data (%.2f%%)",
1179                                    "Torrent -> status string"), 100.0 * [self checkingProgress]];
1180            break;
1181       
1182        case TR_STATUS_DOWNLOAD:
1183            string = [NSString stringWithFormat: @"%@: %@, %@: %@",
1184                            NSLocalizedString(@"DL", "Torrent -> status string"), [NSString stringForSpeed: [self downloadRate]],
1185                            NSLocalizedString(@"UL", "Torrent -> status string"), [NSString stringForSpeed: [self uploadRate]]];
1186            break;
1187       
1188        case TR_STATUS_SEED:
1189            string = [NSString stringWithFormat: @"%@: %@, %@: %@",
1190                            NSLocalizedString(@"Ratio", "Torrent -> status string"), [NSString stringForRatio: [self ratio]],
1191                            NSLocalizedString(@"UL", "Torrent -> status string"), [NSString stringForSpeed: [self uploadRate]]];
1192    }
1193   
1194    return string;
1195}
1196
1197- (NSString *) remainingTimeString
1198{
1199    if (![self isActive] || ([self isSeeding]
1200        && !(fRatioSetting == NSOnState || (fRatioSetting == NSMixedState && [fDefaults boolForKey: @"RatioCheck"]))))
1201        return [self shortStatusString];
1202   
1203    return [self etaString: [self isSeeding] ? [self etaRatio] : [self eta]];
1204}
1205
1206- (NSString *) stateString
1207{
1208    switch (fStat->status)
1209    {
1210        case TR_STATUS_STOPPED:
1211            return NSLocalizedString(@"Paused", "Torrent -> status string");
1212
1213        case TR_STATUS_CHECK:
1214            return [NSString localizedStringWithFormat: NSLocalizedString(@"Checking existing data (%.2f%%)",
1215                                    "Torrent -> status string"), 100.0 * [self checkingProgress]];
1216       
1217        case TR_STATUS_CHECK_WAIT:
1218            return [NSLocalizedString(@"Waiting to check existing data", "Torrent -> status string") stringByAppendingEllipsis];
1219
1220        case TR_STATUS_DOWNLOAD:
1221            return NSLocalizedString(@"Downloading", "Torrent -> status string");
1222
1223        case TR_STATUS_SEED:
1224            return NSLocalizedString(@"Seeding", "Torrent -> status string");
1225    }
1226}
1227
1228- (int) seeders
1229{
1230    return fStat->seeders;
1231}
1232
1233- (int) leechers
1234{
1235    return fStat->leechers;
1236}
1237
1238- (int) completedFromTracker
1239{
1240    return fStat->completedFromTracker;
1241}
1242
1243- (int) totalPeersConnected
1244{
1245    return fStat->peersConnected;
1246}
1247
1248- (int) totalPeersTracker
1249{
1250    return fStat->peersFrom[TR_PEER_FROM_TRACKER];
1251}
1252
1253- (int) totalPeersIncoming
1254{
1255    return fStat->peersFrom[TR_PEER_FROM_INCOMING];
1256}
1257
1258- (int) totalPeersCache
1259{
1260    return fStat->peersFrom[TR_PEER_FROM_CACHE];
1261}
1262
1263- (int) totalPeersPex
1264{
1265    return fStat->peersFrom[TR_PEER_FROM_PEX];
1266}
1267
1268- (int) totalPeersKnown
1269{
1270    return fStat->peersKnown;
1271}
1272
1273- (int) peersSendingToUs
1274{
1275    return fStat->peersSendingToUs;
1276}
1277
1278- (int) peersGettingFromUs
1279{
1280    return fStat->peersGettingFromUs;
1281}
1282
1283- (float) downloadRate
1284{
1285    return fStat->rateDownload;
1286}
1287
1288- (float) uploadRate
1289{
1290    return fStat->rateUpload;
1291}
1292
1293- (float) totalRate
1294{
1295    return [self downloadRate] + [self uploadRate];
1296}
1297
1298- (uint64_t) haveVerified
1299{
1300    return fStat->haveValid;
1301}
1302
1303- (uint64_t) haveTotal
1304{
1305    return [self haveVerified] + fStat->haveUnchecked;
1306}
1307
1308- (uint64_t) totalSizeSelected
1309{
1310    return fStat->sizeWhenDone;
1311}
1312
1313- (uint64_t) downloadedTotal
1314{
1315    return fStat->downloadedEver;
1316}
1317
1318- (uint64_t) uploadedTotal
1319{
1320    return fStat->uploadedEver;
1321}
1322
1323- (uint64_t) failedHash
1324{
1325    return fStat->corruptEver;
1326}
1327
1328- (float) swarmSpeed
1329{
1330    return fStat->swarmSpeed;
1331}
1332
1333- (int) orderValue
1334{
1335    return fOrderValue;
1336}
1337
1338- (void) setOrderValue: (int) orderValue
1339{
1340    fOrderValue = orderValue;
1341}
1342
1343- (int) groupValue
1344{
1345    return fGroupValue;
1346}
1347
1348- (void) setGroupValue: (int) goupValue
1349{
1350    fGroupValue = goupValue;
1351}
1352
1353- (int) groupOrderValue
1354{
1355    return [[GroupsController groups] rowValueForIndex: fGroupValue];
1356}
1357
1358- (void) checkGroupValueForRemoval: (NSNotification *) notification
1359{
1360    if (fGroupValue != -1 && [[[notification userInfo] objectForKey: @"Indexes"] containsIndex: fGroupValue])
1361        fGroupValue = -1;
1362}
1363
1364- (NSArray *) fileList
1365{
1366    return fFileList;
1367}
1368
1369- (int) fileCount
1370{
1371    return fInfo->fileCount;
1372}
1373
1374- (void) updateFileStat
1375{
1376    if (fFileStat)
1377        tr_torrentFilesFree(fFileStat, [self fileCount]);
1378   
1379    fFileStat = tr_torrentFiles(fHandle, NULL);
1380}
1381
1382- (float) fileProgress: (int) index
1383{
1384    if (!fFileStat)
1385        [self updateFileStat];
1386       
1387    return fFileStat[index].progress;
1388}
1389
1390- (BOOL) canChangeDownloadCheckForFile: (int) index
1391{
1392    if (!fFileStat)
1393        [self updateFileStat];
1394   
1395    return [self fileCount] > 1 && fFileStat[index].progress < 1.0;
1396}
1397
1398- (BOOL) canChangeDownloadCheckForFiles: (NSIndexSet *) indexSet
1399{
1400    if ([self fileCount] <= 1 || [self isComplete])
1401        return NO;
1402   
1403    if (!fFileStat)
1404        [self updateFileStat];
1405   
1406    int index;
1407    for (index = [indexSet firstIndex]; index != NSNotFound; index = [indexSet indexGreaterThanIndex: index])
1408        if (fFileStat[index].progress < 1.0)
1409            return YES;
1410    return NO;
1411}
1412
1413- (int) checkForFiles: (NSIndexSet *) indexSet
1414{
1415    BOOL onState = NO, offState = NO;
1416    int index;
1417    for (index = [indexSet firstIndex]; index != NSNotFound; index = [indexSet indexGreaterThanIndex: index])
1418    {
1419        if (tr_torrentGetFileDL(fHandle, index) || ![self canChangeDownloadCheckForFile: index])
1420            onState = YES;
1421        else
1422            offState = YES;
1423       
1424        if (onState && offState)
1425            return NSMixedState;
1426    }
1427    return onState ? NSOnState : NSOffState;
1428}
1429
1430- (void) setFileCheckState: (int) state forIndexes: (NSIndexSet *) indexSet
1431{
1432    NSUInteger count = [indexSet count], i = 0, index;
1433    tr_file_index_t * files = malloc(count * sizeof(tr_file_index_t));
1434    for (index = [indexSet firstIndex]; index != NSNotFound; index = [indexSet indexGreaterThanIndex: index])
1435    {
1436        files[i] = index;
1437        i++;
1438    }
1439   
1440    tr_torrentSetFileDLs(fHandle, files, count, state != NSOffState);
1441    free(files);
1442   
1443    [self update];
1444    [[NSNotificationCenter defaultCenter] postNotificationName: @"TorrentFileCheckChange" object: self];
1445}
1446
1447- (void) setFilePriority: (int) priority forIndexes: (NSIndexSet *) indexSet
1448{
1449    NSUInteger count = [indexSet count], i = 0, index;
1450    tr_file_index_t * files = malloc(count * sizeof(tr_file_index_t));
1451    for (index = [indexSet firstIndex]; index != NSNotFound; index = [indexSet indexGreaterThanIndex: index])
1452    {
1453        files[i] = index;
1454        i++;
1455    }
1456   
1457    tr_torrentSetFilePriorities(fHandle, files, count, priority);
1458    free(files);
1459}
1460
1461- (BOOL) hasFilePriority: (int) priority forIndexes: (NSIndexSet *) indexSet
1462{
1463    int index;
1464    for (index = [indexSet firstIndex]; index != NSNotFound; index = [indexSet indexGreaterThanIndex: index])
1465        if (priority == tr_torrentGetFilePriority(fHandle, index) && [self canChangeDownloadCheckForFile: index])
1466            return YES;
1467    return NO;
1468}
1469
1470- (NSSet *) filePrioritiesForIndexes: (NSIndexSet *) indexSet
1471{
1472    BOOL low = NO, normal = NO, high = NO;
1473    NSMutableSet * priorities = [NSMutableSet setWithCapacity: 3];
1474   
1475    int index, priority;
1476    for (index = [indexSet firstIndex]; index != NSNotFound; index = [indexSet indexGreaterThanIndex: index])
1477    {
1478        if (![self canChangeDownloadCheckForFile: index])
1479            continue;
1480       
1481        priority = tr_torrentGetFilePriority(fHandle, index);
1482        if (priority == TR_PRI_LOW)
1483        {
1484            if (low)
1485                continue;
1486            low = YES;
1487        }
1488        else if (priority == TR_PRI_HIGH)
1489        {
1490            if (high)
1491                continue;
1492            high = YES;
1493        }
1494        else
1495        {
1496            if (normal)
1497                continue;
1498            normal = YES;
1499        }
1500       
1501        [priorities addObject: [NSNumber numberWithInt: priority]];
1502        if (low && normal && high)
1503            break;
1504    }
1505    return priorities;
1506}
1507
1508- (NSDate *) dateAdded
1509{
1510    time_t date = fStat->addedDate;
1511    return [NSDate dateWithTimeIntervalSince1970: date];
1512}
1513
1514- (NSDate *) dateCompleted
1515{
1516    time_t date = fStat->doneDate;
1517    return date != 0 ? [NSDate dateWithTimeIntervalSince1970: date] : nil;
1518}
1519
1520- (NSDate *) dateActivity
1521{
1522    time_t date = fStat->activityDate;
1523    return date != 0 ? [NSDate dateWithTimeIntervalSince1970: date] : nil;
1524}
1525
1526- (NSDate *) dateActivityOrAdd
1527{
1528    NSDate * date = [self dateActivity];
1529    return date ? date : [self dateAdded];
1530}
1531
1532- (int) stalledMinutes
1533{
1534    time_t start = fStat->startDate;
1535    if (start == 0)
1536        return -1;
1537   
1538    NSDate * started = [NSDate dateWithTimeIntervalSince1970: start],
1539            * activity = [self dateActivity];
1540   
1541    NSDate * laterDate = activity ? [started laterDate: activity] : started;
1542    return -1 * [laterDate timeIntervalSinceNow] / 60;
1543}
1544
1545- (BOOL) isStalled
1546{
1547    return fStalled;
1548}
1549
1550- (NSNumber *) stateSortKey
1551{
1552    if (![self isActive])
1553        return [NSNumber numberWithInt: 0];
1554    else if ([self isSeeding])
1555        return [NSNumber numberWithInt: 1];
1556    else
1557        return [NSNumber numberWithInt: 2];
1558}
1559
1560- (tr_torrent *) torrentStruct
1561{
1562    return fHandle;
1563}
1564
1565@end
1566
1567@implementation Torrent (Private)
1568
1569//if a hash is given, attempt to load that; otherwise, attempt to open file at path
1570- (id) initWithHash: (NSString *) hashString path: (NSString *) path torrentStruct: (tr_torrent *) torrentStruct lib: (tr_handle *) lib
1571        publicTorrent: (NSNumber *) publicTorrent
1572        downloadFolder: (NSString *) downloadFolder
1573        useIncompleteFolder: (NSNumber *) useIncompleteFolder incompleteFolder: (NSString *) incompleteFolder
1574        ratioSetting: (NSNumber *) ratioSetting ratioLimit: (NSNumber *) ratioLimit
1575        waitToStart: (NSNumber *) waitToStart
1576        orderValue: (NSNumber *) orderValue groupValue: (NSNumber *) groupValue addedTrackers: (NSNumber *) addedTrackers
1577{
1578    if (!(self = [super init]))
1579        return nil;
1580   
1581    fDefaults = [NSUserDefaults standardUserDefaults];
1582
1583    fPublicTorrent = path && (publicTorrent ? [publicTorrent boolValue] : ![fDefaults boolForKey: @"DeleteOriginalTorrent"]);
1584    if (fPublicTorrent)
1585        fPublicTorrentLocation = [path retain];
1586   
1587    fDownloadFolder = downloadFolder ? downloadFolder : [fDefaults stringForKey: @"DownloadFolder"];
1588    fDownloadFolder = [[fDownloadFolder stringByExpandingTildeInPath] retain];
1589   
1590    fUseIncompleteFolder = useIncompleteFolder ? [useIncompleteFolder boolValue]
1591                                : [fDefaults boolForKey: @"UseIncompleteDownloadFolder"];
1592    if (fUseIncompleteFolder)
1593    {
1594        fIncompleteFolder = incompleteFolder ? incompleteFolder : [fDefaults stringForKey: @"IncompleteDownloadFolder"];
1595        fIncompleteFolder = [[fIncompleteFolder stringByExpandingTildeInPath] retain];
1596    }
1597   
1598    if (torrentStruct)
1599    {
1600        fHandle = torrentStruct;
1601        fInfo = tr_torrentInfo(fHandle);
1602       
1603        NSString * currentDownloadFolder = [self shouldUseIncompleteFolderForName: [NSString stringWithUTF8String: fInfo->name]]
1604                                                ? fIncompleteFolder : fDownloadFolder;
1605        tr_torrentSetDownloadDir(fHandle, [currentDownloadFolder UTF8String]);
1606    }
1607    else
1608    {
1609        //set libtransmission settings for initialization
1610        tr_ctor * ctor = tr_ctorNew(lib);
1611        tr_ctorSetPaused(ctor, TR_FORCE, YES);
1612        tr_ctorSetPeerLimit(ctor, TR_FALLBACK, [fDefaults integerForKey: @"PeersTorrent"]);
1613       
1614        tr_info info;
1615        if (hashString)
1616        {
1617            tr_ctorSetMetainfoFromHash(ctor, [hashString UTF8String]);
1618            if (tr_torrentParse(lib, ctor, &info) == TR_OK)
1619            {
1620                NSString * currentDownloadFolder = [self shouldUseIncompleteFolderForName: [NSString stringWithUTF8String: info.name]]
1621                                                    ? fIncompleteFolder : fDownloadFolder;
1622                tr_ctorSetDownloadDir(ctor, TR_FORCE, [currentDownloadFolder UTF8String]);
1623               
1624                fHandle = tr_torrentNew(lib, ctor, NULL);
1625            }
1626            tr_metainfoFree(&info);
1627        }
1628        if (!fHandle && path)
1629        {
1630            tr_ctorSetMetainfoFromFile(ctor, [path UTF8String]);
1631            if (tr_torrentParse(lib, ctor, &info) == TR_OK)
1632            {
1633                NSString * currentDownloadFolder = [self shouldUseIncompleteFolderForName: [NSString stringWithUTF8String: info.name]]
1634                                                    ? fIncompleteFolder : fDownloadFolder;
1635                tr_ctorSetDownloadDir(ctor, TR_FORCE, [currentDownloadFolder UTF8String]);
1636               
1637                fHandle = tr_torrentNew(lib, ctor, NULL);
1638            }
1639            tr_metainfoFree(&info);
1640        }
1641       
1642        tr_ctorFree(ctor);
1643       
1644        if (!fHandle)
1645        {
1646            [self release];
1647            return nil;
1648        }
1649       
1650        fInfo = tr_torrentInfo(fHandle);
1651    }
1652   
1653    tr_torrentSetStatusCallback(fHandle, completenessChangeCallback, self);
1654   
1655    fNameString = [[NSString alloc] initWithUTF8String: fInfo->name];
1656    fHashString = [[NSString alloc] initWithUTF8String: fInfo->hashString];
1657       
1658    fRatioSetting = ratioSetting ? [ratioSetting intValue] : NSMixedState;
1659    fRatioLimit = ratioLimit ? [ratioLimit floatValue] : [fDefaults floatForKey: @"RatioLimit"];
1660    fFinishedSeeding = NO;
1661   
1662    fWaitToStart = waitToStart && [waitToStart boolValue];
1663    fResumeOnWake = NO;
1664   
1665    fOrderValue = orderValue ? [orderValue intValue] : tr_sessionCountTorrents(lib) - 1;
1666    fGroupValue = groupValue ? [groupValue intValue] : -1;
1667   
1668    fAddedTrackers = addedTrackers ? [addedTrackers boolValue] : NO;
1669   
1670    [self createFileList];
1671   
1672    [[NSNotificationCenter defaultCenter] addObserver: self selector: @selector(checkGroupValueForRemoval:)
1673        name: @"GroupValueRemoved" object: nil];
1674   
1675    [self update];
1676   
1677    //mark incomplete files to be ignored by Time Machine
1678    [self setTimeMachineExclude: ![self allDownloaded] forPath: [[self downloadFolder] stringByAppendingPathComponent: [self name]]];
1679   
1680    return self;
1681}
1682
1683- (void) createFileList
1684{
1685    if ([self isFolder])
1686    {
1687        int count = [self fileCount], i;
1688        NSMutableArray * fileList = [[NSMutableArray alloc] initWithCapacity: count];
1689       
1690        for (i = 0; i < count; i++)
1691        {
1692            tr_file * file = &fInfo->files[i];
1693           
1694            NSMutableArray * pathComponents = [[[NSString stringWithUTF8String: file->name] pathComponents] mutableCopy];
1695            NSString * path = [pathComponents objectAtIndex: 0];
1696            NSString * name = [pathComponents objectAtIndex: 1];
1697            [pathComponents removeObjectsAtIndexes: [NSIndexSet indexSetWithIndexesInRange: NSMakeRange(0, 2)]];
1698           
1699            if ([pathComponents count] > 0)
1700            {
1701                //determine if folder node already exists
1702                NSEnumerator * enumerator = [fileList objectEnumerator];
1703                FileListNode * node;
1704                while ((node = [enumerator nextObject]))
1705                    if ([[node name] isEqualToString: name] && [node isFolder])
1706                        break;
1707               
1708                if (!node)
1709                {
1710                    node = [[FileListNode alloc] initWithFolderName: name path: path];
1711                    [fileList addObject: node];
1712                    [node release];
1713                }
1714               
1715                [node insertIndex: i withSize: file->length];
1716                [self insertPath: pathComponents forParent: node fileSize: file->length index: i];
1717            }
1718            else
1719            {
1720                FileListNode * node = [[FileListNode alloc] initWithFileName: name path: path size: file->length index: i];
1721                [fileList addObject: node];
1722                [node release];
1723            }
1724           
1725            [pathComponents release];
1726        }
1727       
1728        fFileList = [[NSArray alloc] initWithArray: fileList];
1729        [fileList release];
1730    }
1731    else
1732    {
1733        FileListNode * node = [[FileListNode alloc] initWithFileName: [self name] path: @"" size: [self size] index: 0];
1734        fFileList = [[NSArray arrayWithObject: node] retain];
1735        [node release];
1736    }
1737}
1738
1739- (void) insertPath: (NSMutableArray *) components forParent: (FileListNode *) parent fileSize: (uint64_t) size index: (int) index
1740{
1741    NSString * name = [components objectAtIndex: 0];
1742    BOOL isFolder = [components count] > 1;
1743   
1744    FileListNode * node = nil;
1745    if (isFolder)
1746    {
1747        NSEnumerator * enumerator = [[parent children] objectEnumerator];
1748        while ((node = [enumerator nextObject]))
1749            if ([[node name] isEqualToString: name] && [node isFolder])
1750                break;
1751    }
1752   
1753    //create new folder or file if it doesn't already exist
1754    if (!node)
1755    {
1756        if (isFolder)
1757            node = [[FileListNode alloc] initWithFolderName: name path: [parent fullPath]];
1758        else
1759            node = [[FileListNode alloc] initWithFileName: name path: [parent fullPath] size: size index: index];
1760       
1761        [parent insertChild: node];
1762    }
1763   
1764    if (isFolder)
1765    {
1766        [node insertIndex: index withSize: size];
1767       
1768        [components removeObjectAtIndex: 0];
1769        [self insertPath: components forParent: node fileSize: size index: index];
1770    }
1771}
1772
1773- (BOOL) shouldUseIncompleteFolderForName: (NSString *) name
1774{
1775    return fUseIncompleteFolder &&
1776        ![[NSFileManager defaultManager] fileExistsAtPath: [fDownloadFolder stringByAppendingPathComponent: name]];
1777}
1778
1779- (void) updateDownloadFolder
1780{
1781    //remove old Time Machine location
1782    [self setTimeMachineExclude: NO forPath: [[self downloadFolder] stringByAppendingPathComponent: [self name]]];
1783   
1784    NSString * folder = [self shouldUseIncompleteFolderForName: [self name]] ? fIncompleteFolder : fDownloadFolder;
1785    tr_torrentSetDownloadDir(fHandle, [folder UTF8String]);
1786   
1787    [self setTimeMachineExclude: ![self allDownloaded] forPath: [folder stringByAppendingPathComponent: [self name]]];
1788}
1789
1790//status has been retained
1791- (void) completenessChange: (NSNumber *) status
1792{
1793    [self update];
1794   
1795    BOOL canMove;
1796    switch ([status intValue])
1797    {
1798        case TR_CP_DONE:
1799        case TR_CP_COMPLETE:
1800            canMove = YES;
1801           
1802            //move file from incomplete folder to download folder
1803            if (fUseIncompleteFolder && ![[self downloadFolder] isEqualToString: fDownloadFolder]
1804                && (canMove = [self alertForMoveFolderAvailable]))
1805            {
1806                [self quickPause];
1807               
1808                if ([[NSFileManager defaultManager] movePath: [[self downloadFolder] stringByAppendingPathComponent: [self name]]
1809                                        toPath: [fDownloadFolder stringByAppendingPathComponent: [self name]] handler: nil])
1810                    [self updateDownloadFolder];
1811                else
1812                    canMove = NO;
1813               
1814                [self endQuickPause];
1815            }
1816           
1817            if (!canMove)
1818            {
1819                fUseIncompleteFolder = NO;
1820               
1821                [fDownloadFolder release];
1822                fDownloadFolder = fIncompleteFolder;
1823                fIncompleteFolder = nil;
1824            }
1825           
1826            //allow to be backed up by Time Machine
1827            [self setTimeMachineExclude: NO forPath: [[self downloadFolder] stringByAppendingPathComponent: [self name]]];
1828           
1829            fStat = tr_torrentStat(fHandle);
1830            [[NSNotificationCenter defaultCenter] postNotificationName: @"TorrentFinishedDownloading" object: self];
1831            break;
1832       
1833        case TR_CP_INCOMPLETE:
1834            //do not allow to be backed up by Time Machine
1835            [self setTimeMachineExclude: YES forPath: [[self downloadFolder] stringByAppendingPathComponent: [self name]]];
1836           
1837            [[NSNotificationCenter defaultCenter] postNotificationName: @"TorrentRestartedDownloading" object: self];
1838            break;
1839    }
1840    [status release];
1841}
1842
1843- (void) quickPause
1844{
1845    if (fQuickPauseDict)
1846        return;
1847
1848    fQuickPauseDict = [[NSDictionary alloc] initWithObjectsAndKeys:
1849                    [NSNumber numberWithInt: [self speedMode: YES]], @"UploadSpeedMode",
1850                    [NSNumber numberWithInt: [self speedLimit: YES]], @"UploadSpeedLimit",
1851                    [NSNumber numberWithInt: [self speedMode: NO]], @"DownloadSpeedMode",
1852                    [NSNumber numberWithInt: [self speedLimit: NO]], @"DownloadSpeedLimit", nil];
1853   
1854    [self setSpeedMode: TR_SPEEDLIMIT_SINGLE upload: YES];
1855    [self setSpeedLimit: 0 upload: YES];
1856    [self setSpeedMode: TR_SPEEDLIMIT_SINGLE upload: NO];
1857    [self setSpeedLimit: 0 upload: NO];
1858}
1859
1860- (void) endQuickPause
1861{
1862    if (!fQuickPauseDict)
1863        return;
1864   
1865    [self setSpeedMode: [[fQuickPauseDict objectForKey: @"UploadSpeedMode"] intValue] upload: YES];
1866    [self setSpeedLimit: [[fQuickPauseDict objectForKey: @"UploadSpeedLimit"] intValue] upload: YES];
1867    [self setSpeedMode: [[fQuickPauseDict objectForKey: @"DownloadSpeedMode"] intValue] upload: NO];
1868    [self setSpeedLimit: [[fQuickPauseDict objectForKey: @"DownloadSpeedLimit"] intValue] upload: NO];
1869   
1870    [fQuickPauseDict release];
1871    fQuickPauseDict = nil;
1872}
1873
1874- (NSString *) etaString: (int) eta
1875{
1876    switch (eta)
1877    {
1878        case TR_ETA_NOT_AVAIL:
1879            return NSLocalizedString(@"data not fully available", "Torrent -> eta string");
1880        case TR_ETA_UNKNOWN:
1881            return NSLocalizedString(@"remaining time unknown", "Torrent -> eta string");
1882        default:
1883            return [NSString stringWithFormat: NSLocalizedString(@"%@ remaining", "Torrent -> eta string"),
1884                        [NSString timeString: eta showSeconds: YES maxDigits: 2]];
1885    }
1886}
1887
1888- (void) updateAllTrackers: (NSMutableArray *) trackers
1889{
1890    //get count
1891    int count = 0;
1892    NSEnumerator * enumerator = [trackers objectEnumerator];
1893    id object;
1894    while ((object = [enumerator nextObject]))
1895        if (![object isKindOfClass: [NSNumber class]])
1896            count++;
1897   
1898    //recreate the tracker structure
1899    tr_tracker_info * trackerStructs = tr_new(tr_tracker_info, count);
1900    int tier = 0;
1901    int i = 0;
1902    enumerator = [trackers objectEnumerator];
1903    while ((object = [enumerator nextObject]))
1904    {
1905        if (![object isKindOfClass: [NSNumber class]])
1906        {
1907            trackerStructs[i].tier = tier;
1908            trackerStructs[i].announce = (char *)[object UTF8String];
1909            i++;
1910        }
1911        else
1912            tier++;
1913    }
1914   
1915    tr_torrentSetAnnounceList(fHandle, trackerStructs, count);
1916    tr_free(trackerStructs);
1917}
1918
1919- (void) trashFile: (NSString *) path
1920{
1921    //attempt to move to trash
1922    if (![[NSWorkspace sharedWorkspace] performFileOperation: NSWorkspaceRecycleOperation
1923        source: [path stringByDeletingLastPathComponent] destination: @""
1924        files: [NSArray arrayWithObject: [path lastPathComponent]] tag: nil])
1925    {
1926        //if cannot trash, just delete it (will work if it's on a remote volume)
1927        if ([NSApp isOnLeopardOrBetter])
1928        {
1929            NSError * error;
1930            if (![[NSFileManager defaultManager] removeItemAtPath: path error: &error])
1931                NSLog(@"Could not trash %@: %@", path, [error localizedDescription]);
1932        }
1933        else
1934        {
1935            if (![[NSFileManager defaultManager] removeFileAtPath: path handler: nil])
1936                NSLog(@"Could not trash %@", path);
1937        }
1938    }
1939}
1940
1941- (void) setTimeMachineExclude: (BOOL) exclude forPath: (NSString *) path
1942{
1943    if ([NSApp isOnLeopardOrBetter])
1944        CSBackupSetItemExcluded((CFURLRef)[NSURL fileURLWithPath: path], exclude, true);
1945}
1946
1947@end
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