cog/Playlist/PlaylistController.m

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//
// PlaylistController.m
// Cog
//
// Created by Vincent Spader on 3/18/05.
// Copyright 2005 __MyCompanyName__. All rights reserved.
//
#import "PlaylistController.h"
#import "PlaylistEntry.h"
@implementation PlaylistController
#define HISTORY_SIZE 100
- (id)initWithCoder:(NSCoder *)decoder
{
self = [super initWithCoder:decoder];
if (self)
{
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acceptableFileTypes = [[NSArray alloc] initWithObjects:@"shn",@"wv",@"ogg",@"wav",@"mpc",@"flac",@"ape",@"mp3",@"aiff",@"aif",@"aac",nil];
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acceptablePlaylistTypes = [[NSArray alloc] initWithObjects:@"playlist",nil];
history = [[NSMutableArray alloc] init];
shuffleList = [[NSMutableArray alloc] init];
// DBLog(@"DAH BUTTER CHORNAR: %@", history);
}
return self;
}
- (void)awakeFromNib
{
[super awakeFromNib];
}
- (int)insertFile:(NSString *)filename atIndex:(int)index
{
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if ([acceptableFileTypes containsObject:[[filename pathExtension] lowercaseString]] && [[NSFileManager defaultManager] fileExistsAtPath:filename])
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{
PlaylistEntry *pe = [[PlaylistEntry alloc] init];
[pe setFilename:filename]; //Setfilename takes car of opening the soundfile..cheap hack, but works for now
[pe setIndex:index];
[pe readTags];
[pe readInfo];
[self insertObject:pe atArrangedObjectIndex:index];
return 1;
}
return 0;
}
- (int)insertPath:(NSString *)path atIndex:(int)index
{
BOOL isDir;
NSFileManager *manager;
manager = [NSFileManager defaultManager];
if ([manager fileExistsAtPath:path isDirectory:&isDir] && isDir == YES)
{
int count;
int j;
NSArray *subpaths;
count = 0;
subpaths = [manager subpathsAtPath:path];
for (j = 0; j < [subpaths count]; j++)
{
NSString *filepath;
filepath = [NSString pathWithComponents:[NSArray arrayWithObjects:path,[subpaths objectAtIndex:j],nil]];
count += [self insertFile:filepath atIndex:index+count];
}
return count;
}
else
{
// DBLog(@"Adding fiiiiile: %@", path);
return [self insertFile:path atIndex:index];
}
}
- (int)insertPaths:(NSArray *)paths atIndex:(int)index sort:(BOOL)sort
{
NSArray *sortedFiles;
int count;
int i;
if (!paths)
return 0;
if (index < 0)
index = 0;
count = 0;
if (sort == YES)
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{
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sortedFiles = [paths sortedArrayUsingSelector:@selector(caseInsensitiveCompare:)];
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[paths release];
}
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else
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{
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sortedFiles = paths;
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}
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for(i=0; i < [sortedFiles count]; i++)
{
int j;
NSString *f;
f = [sortedFiles objectAtIndex:i];
// DBLog(@"Adding file to index: %i", index+count);
j = [self insertPath:f atIndex:(index+count)];
// DBLog(@"Number added: %i", j);
count+=j;
}
if (shuffle == YES)
[self generateShuffleList];
return count;
}
- (int)addFile:(NSString *)filename
{
return [self insertFile:filename atIndex:[[self arrangedObjects] count]];
}
- (int)addPath:(NSString *)path
{
return [self insertPath:path atIndex:[[self arrangedObjects] count]];
}
- (int)addPaths:(NSArray *)paths sort:(BOOL)sort
{
return [self insertPaths:paths atIndex:[[self arrangedObjects] count] sort:sort];
}
- (NSArray *)acceptableFileTypes
{
return acceptableFileTypes;
}
- (BOOL)tableView:(NSTableView*)tv
acceptDrop:(id <NSDraggingInfo>)info
row:(int)row
dropOperation:(NSTableViewDropOperation)op
{
int i;
[super tableView:tv acceptDrop:info row:row dropOperation:op];
if ([info draggingSource] == tableView)
{
//DNDArrayController handles moving...still need to update the uhm...indices
NSArray *rows = [NSKeyedUnarchiver unarchiveObjectWithData:[[info draggingPasteboard] dataForType: MovedRowsType]];
NSIndexSet *indexSet = [self indexSetFromRows:rows];
int firstIndex = [indexSet firstIndex];
if (firstIndex > row)
{
i = row;
}
else
{
i = firstIndex;
}
[self updateIndexesFromRow:i];
return YES;
}
if (row < 0)
row = 0;
NSArray *files = [[info draggingPasteboard] propertyListForType:NSFilenamesPboardType];
[self insertPaths:files atIndex:row sort:YES];
[self updateIndexesFromRow:row];
if (shuffle == YES)
[self generateShuffleList];
return YES;
}
- (void)updateIndexesFromRow:(int) row
{
// DBLog(@"UPDATE INDEXES: %i", row);
int j;
for (j = row; j < [[self content] count]; j++)
{
PlaylistEntry *p;
p = [[self content] objectAtIndex:j];
[p setIndex:j];
}
}
- (void)removeObjectsAtArrangedObjectIndexes:(NSIndexSet *)indexes
{
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unsigned int *indexBuffer;
NSMutableArray *a = [[NSMutableArray alloc] init];
int i;
//10.3 fix
indexBuffer = malloc([indexes count]*sizeof(unsigned int));
[indexes getIndexes:indexBuffer maxCount:[indexes count] inIndexRange:nil];
for (i = 0; i < [indexes count]; i++)
{
[a addObject:[[self arrangedObjects] objectAtIndex:(indexBuffer[i])]];
}
// a = [[self arrangedObjects] objectsAtIndexes:indexes]; //10.4 only
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if ([a containsObject:currentEntry])
{
[currentEntry setIndex:-1];
}
[super removeObjectsAtArrangedObjectIndexes:indexes];
[self updateIndexesFromRow:[indexes firstIndex]];
if (shuffle == YES)
[self generateShuffleList];
[history removeObjectsInArray:a];
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[a release];
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}
- (IBAction)takeShuffleFromObject:(id)sender
{
if( [sender respondsToSelector: @selector(boolValue)] )
[self setShuffle: [sender boolValue]];
else
[self setShuffle: [sender state]];
}
- (IBAction)takeRepeatFromObject:(id)sender
{
if( [sender respondsToSelector: @selector(boolValue)] )
[self setRepeat: [sender boolValue]];
else
[self setRepeat: [sender state]];
}
- (void)next
{
PlaylistEntry *pe;
pe = [self nextEntry];
if (pe == nil)
return;
if (shuffle == YES)
{
[shuffleList removeObject:pe];
}
[self setCurrentEntry:pe addToHistory:YES];
[self setNextEntry:nil];
}
- (void)prev
{
PlaylistEntry *pe;
pe = [self prevEntry];
if (pe == nil)
return;
if (pe != [history objectAtIndex:1])
DBLog(@"History inconcistency");
[history removeObjectAtIndex:0];
[self setCurrentEntry:pe addToHistory:NO];
[self setPrevEntry:nil];
//If one goes back, and goes forward, one shall receive unto thee a new song
if (shuffle == YES)
[self generateShuffleList];
}
- (PlaylistEntry *)prevEntry
{
if (prevEntry == nil)
[self getPrevEntry];
return prevEntry;
}
- (PlaylistEntry *)nextEntry
{
if (nextEntry == nil)
[self getNextEntry];
return nextEntry;
}
- (void)reset
{
nextEntry = nil;
prevEntry = nil;
[self generateShuffleList];
}
- (void)generateShuffleList
{
// [shuffleHistory removeAllObjects];
// DBLog(@"Generated Shuffle List");
[shuffleList removeAllObjects];
[shuffleList addObjectsFromArray:[self arrangedObjects]];
if (currentEntry != nil)
[shuffleList removeObject:currentEntry];
}
- (void)setCurrentEntry:(PlaylistEntry *)pe addToHistory:(BOOL)h
{
[self setCurrentEntry:pe];
if (h == YES)
{
[history insertObject:pe atIndex:0];
if ([history count] > HISTORY_SIZE)
[history removeObjectAtIndex:([history count] - 1)];
}
}
- (void)getNextEntry
{
PlaylistEntry *pe;
if (nextEntry != nil)
return;
if (shuffle == YES)
{
// DBLog(@"SHUFFLE IS TEH ON: %i", [shuffleList count]);
if ([shuffleList count] == 0) //out of tuuuunes
{
if (repeat == YES)
{
[self generateShuffleList];
}
else
{
[self setNextEntry:nil];
return;
}
}
int r;
r = random() % [shuffleList count];
// DBLog(@"PICKING SONG %i FROM SHUFFLE LIST", r);
pe = [shuffleList objectAtIndex:r];
[self setNextEntry:pe];
}
else
{
int i = [currentEntry index] + 1;
if (i >= [[self arrangedObjects] count]) //out of tuuuunes
{
if (repeat == YES)
{
i = 0;
}
else
{
[self setNextEntry:nil];
return;
}
}
pe = [[self arrangedObjects] objectAtIndex:i];
[self setNextEntry:pe];
}
}
- (id)currentEntry
{
// DBLog(@"WOAH EGE ");
return currentEntry;
}
- (void)setCurrentEntry:(id)pe
{
[currentEntry setCurrent:NO];
[pe setCurrent:YES];
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[tableView scrollRowToVisible:[(PlaylistEntry *)pe index]];
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[pe retain];
[currentEntry release];
currentEntry = pe;
}
- (void)getPrevEntry
{
PlaylistEntry *pe;
// DBLog(@"GETTING PREVIOUS ENTRY");
if (prevEntry != nil)
return;
//NOTE: 1 contains the current entry
if ([history count] == 1) //Cant go back any further
{
// DBLog(@"HISTORY IS TEH EMPTY");
[self setPrevEntry:nil];
return;
}
else
{
// DBLog(@"IN TEH HISTORY");
pe = [history objectAtIndex:1];
[self setPrevEntry:pe];
return;
}
}
- (void)setPrevEntry:(PlaylistEntry *)pe
{
[pe retain];
[prevEntry release];
prevEntry = pe;
}
- (void)setNextEntry:(PlaylistEntry *)pe
{
[pe retain];
[nextEntry release];
nextEntry = pe;
}
- (void)setShuffle:(BOOL)s
{
shuffle = s;
if (shuffle == YES)
[self generateShuffleList];
}
- (BOOL)shuffle
{
return shuffle;
}
- (void)setRepeat:(BOOL)r
{
repeat = r;
}
- (BOOL)repeat
{
return repeat;
}
- (void)savePlaylist:(NSString *)filename
{
// DBLog(@"SAVING PLAYLIST: %@", filename);
NSString *fileContents;
NSMutableArray *filenames = [NSMutableArray array];
NSEnumerator *enumerator;
PlaylistEntry *entry;
enumerator = [[self arrangedObjects] objectEnumerator];
while (entry = [enumerator nextObject])
{
[filenames addObject:[entry filename]];
}
fileContents = [filenames componentsJoinedByString:@"\n"];
[fileContents writeToFile:filename atomically:NO];
}
- (void)loadPlaylist:(NSString *)filename
{
NSString *fileContents;
[self removeObjects:[self arrangedObjects]];
fileContents = [NSString stringWithContentsOfFile:filename];
if (fileContents)
{
NSArray *filenames = [fileContents componentsSeparatedByString:@"\n"];
// DBLog(@"filenames: %@", filenames);
[self addPaths:filenames sort:NO];
}
}
- (NSArray *)acceptablePlaylistTypes
{
return acceptablePlaylistTypes;
}
- (NSString *)playlistFilename
{
return playlistFilename;
}
- (void)setPlaylistFilename:(NSString *)pf
{
[pf retain];
[playlistFilename release];
playlistFilename = pf;
}
@end