2007-03-07 01:26:50 +00:00
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//
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// PlaylistLoader.m
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// Cog
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//
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// Created by Vincent Spader on 3/05/07.
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// Copyright 2007 Vincent Spader All rights reserved.
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//
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#import "PlaylistLoader.h"
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#import "PlaylistController.h"
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#import "PlaylistEntry.h"
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2007-03-14 02:28:30 +00:00
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#import "NSFileHandle+CreateFile.h"
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2007-03-09 01:16:06 +00:00
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#import "CogAudio/AudioPlayer.h"
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2007-10-09 01:20:46 +00:00
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#import "CogAudio/AudioContainer.h"
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2007-03-09 01:16:06 +00:00
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2007-03-07 01:26:50 +00:00
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@implementation PlaylistLoader
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- (BOOL)save:(NSString *)filename
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{
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NSString *ext = [filename pathExtension];
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if ([ext isEqualToString:@"pls"])
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{
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return [self save:filename asType:kPlaylistPls];
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}
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else
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{
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return [self save:filename asType:kPlaylistM3u];
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}
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}
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- (BOOL)save:(NSString *)filename asType:(PlaylistType)type
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{
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if (type == kPlaylistM3u)
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{
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return [self saveM3u:filename];
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}
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else if (type == kPlaylistPls)
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{
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return [self savePls:filename];
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}
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return NO;
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}
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2007-03-09 01:16:06 +00:00
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- (NSString *)relativePathFrom:(NSString *)filename toURL:(NSURL *)entryURL
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2007-03-07 01:26:50 +00:00
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{
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NSString *basePath = [[[filename stringByStandardizingPath] stringByDeletingLastPathComponent] stringByAppendingString:@"/"];
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2007-10-13 04:53:48 +00:00
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if ([entryURL isFileURL] && [[entryURL fragment] isEqualToString:@""]) {
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2007-03-07 01:26:50 +00:00
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//We want relative paths.
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NSMutableString *entryPath = [[[[entryURL path] stringByStandardizingPath] mutableCopy] autorelease];
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2007-03-09 01:16:06 +00:00
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[entryPath replaceOccurrencesOfString:basePath withString:@"" options:(NSAnchoredSearch | NSLiteralSearch | NSCaseInsensitiveSearch) range:NSMakeRange(0, [entryPath length])];
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2007-03-07 01:26:50 +00:00
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return entryPath;
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}
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else {
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//Write [entryURL absoluteString] to file
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return [entryURL absoluteString];
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}
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}
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- (BOOL)saveM3u:(NSString *)filename
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{
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2007-03-14 02:28:30 +00:00
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NSFileHandle *fileHandle = [NSFileHandle fileHandleForWritingAtPath:filename createFile:YES];
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2007-03-07 01:26:50 +00:00
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if (!fileHandle) {
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2007-07-11 01:20:32 +00:00
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NSLog(@"Error saving m3u!");
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2007-05-27 16:14:29 +00:00
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return nil;
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2007-03-07 01:26:50 +00:00
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}
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2007-03-09 01:16:06 +00:00
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[fileHandle truncateFileAtOffset:0];
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2007-03-07 01:26:50 +00:00
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PlaylistEntry *pe;
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NSEnumerator *e = [[playlistController content] objectEnumerator];
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while (pe = [e nextObject])
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{
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2007-03-09 01:16:06 +00:00
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NSString *path = [self relativePathFrom:filename toURL:[pe url]];
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2007-03-07 01:26:50 +00:00
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[fileHandle writeData:[[path stringByAppendingString:@"\n"] dataUsingEncoding:NSUTF8StringEncoding]];
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}
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2007-03-09 01:16:06 +00:00
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[fileHandle closeFile];
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2007-03-07 01:26:50 +00:00
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return YES;
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}
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- (BOOL)savePls:(NSString *)filename
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{
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2007-03-14 02:28:30 +00:00
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NSFileHandle *fileHandle = [NSFileHandle fileHandleForWritingAtPath:filename createFile:YES];
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2007-03-07 01:26:50 +00:00
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if (!fileHandle) {
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return NO;
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}
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2007-03-09 01:16:06 +00:00
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[fileHandle truncateFileAtOffset:0];
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[fileHandle writeData:[[NSString stringWithFormat:@"[playlist]\nnumberOfEntries=%i\n\n",[[playlistController content] count]] dataUsingEncoding:NSUTF8StringEncoding]];
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2007-03-07 01:26:50 +00:00
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NSEnumerator *e = [[playlistController content] objectEnumerator];
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PlaylistEntry *pe;
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2007-03-07 01:45:45 +00:00
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int i = 1;
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2007-03-07 01:26:50 +00:00
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while (pe = [e nextObject])
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{
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2007-03-09 01:16:06 +00:00
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NSString *path = [self relativePathFrom:filename toURL:[pe url]];
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2007-03-07 01:26:50 +00:00
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NSString *entry = [NSString stringWithFormat:@"File%i=%@\n",i,path];
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[fileHandle writeData:[entry dataUsingEncoding:NSUTF8StringEncoding]];
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2007-03-07 01:45:45 +00:00
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i++;
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2007-03-07 01:26:50 +00:00
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}
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2007-03-09 01:16:06 +00:00
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[fileHandle writeData:[@"\nVERSION=2" dataUsingEncoding:NSUTF8StringEncoding]];
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[fileHandle closeFile];
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2007-03-07 01:26:50 +00:00
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return YES;
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}
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2007-03-09 01:16:06 +00:00
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- (NSArray *)fileURLsAtPath:(NSString *)path
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{
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NSFileManager *manager = [NSFileManager defaultManager];
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NSMutableArray *urls = [NSMutableArray array];
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NSString *subpath;
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NSArray *subpaths = [manager subpathsAtPath:path];
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NSEnumerator *e = [subpaths objectEnumerator];
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while(subpath = [e nextObject])
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{
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NSString *absoluteSubpath = [NSString pathWithComponents:[NSArray arrayWithObjects:path,subpath,nil]];
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BOOL isDir;
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if ( [manager fileExistsAtPath:absoluteSubpath isDirectory:&isDir] && isDir == NO)
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{
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[urls addObject:[NSURL fileURLWithPath:absoluteSubpath]];
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}
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}
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return urls;
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}
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- (void)insertURLs:(NSArray *)urls atIndex:(int)index sort:(BOOL)sort
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{
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2007-05-28 14:58:08 +00:00
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NSMutableSet *uniqueURLs = [NSMutableSet set];
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NSMutableArray *expandedURLs = [NSMutableArray array];
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NSMutableArray *allURLs = [NSMutableArray array];
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NSMutableArray *validURLs = [NSMutableArray array];
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2007-03-09 01:16:06 +00:00
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if (!urls)
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return;
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if (index < 0)
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index = 0;
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NSEnumerator *urlEnumerator = [urls objectEnumerator];
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NSURL *url;
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while (url = [urlEnumerator nextObject])
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{
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if ([url isFileURL]) {
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BOOL isDir;
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2007-10-09 01:20:46 +00:00
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if ([[NSFileManager defaultManager] fileExistsAtPath:[url path] isDirectory:&isDir])
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{
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2007-03-09 01:16:06 +00:00
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if (isDir == YES)
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{
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//Get subpaths
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2007-05-28 14:58:08 +00:00
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[expandedURLs addObjectsFromArray:[self fileURLsAtPath:[url path]]];
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2007-03-09 01:16:06 +00:00
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}
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else
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{
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2007-05-28 14:58:08 +00:00
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[expandedURLs addObject:url];
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2007-03-09 01:16:06 +00:00
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}
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}
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}
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else
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{
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//Non-file URL..
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2007-05-28 14:58:08 +00:00
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[expandedURLs addObject:url];
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2007-03-09 01:16:06 +00:00
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}
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}
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2007-05-28 14:58:08 +00:00
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NSArray *sortedURLs;
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if (sort == YES)
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{
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NSSortDescriptor *sortDescriptor = [[NSSortDescriptor alloc] initWithKey:@"absoluteString" ascending:YES];
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sortedURLs = [expandedURLs sortedArrayUsingDescriptors:[NSArray arrayWithObject:sortDescriptor]];
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[sortDescriptor release];
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}
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else
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{
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sortedURLs = [expandedURLs copy];
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}
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urlEnumerator = [sortedURLs objectEnumerator];
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while (url = [urlEnumerator nextObject])
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{
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//File url
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2007-10-09 01:20:46 +00:00
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if ([[self acceptableContainerTypes] containsObject:[[[url path] pathExtension] lowercaseString]]) {
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if ([url isFileURL] ) {
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[allURLs addObjectsFromArray:[AudioContainer urlsForContainerURL:url]];
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2007-10-14 20:36:10 +00:00
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//Make sure the container isn't added twice.
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[uniqueURLs addObject:url];
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2007-10-09 01:20:46 +00:00
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}
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2007-05-28 14:58:08 +00:00
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}
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else
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{
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[allURLs addObject:url];
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}
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}
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2007-03-09 01:16:06 +00:00
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urlEnumerator = [allURLs objectEnumerator];
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while (url = [urlEnumerator nextObject])
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{
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if (![[AudioPlayer schemes] containsObject:[url scheme]])
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continue;
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//Need a better way to determine acceptable file types than basing it on extensions.
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2007-10-14 18:12:15 +00:00
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if ([url isFileURL] && ![[AudioPlayer fileTypes] containsObject:[[[url path] pathExtension] lowercaseString]])
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2007-03-09 01:16:06 +00:00
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continue;
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2007-05-27 16:14:29 +00:00
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if (![uniqueURLs containsObject:url])
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{
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[validURLs addObject:url];
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2007-03-09 01:16:06 +00:00
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2007-05-27 16:14:29 +00:00
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[uniqueURLs addObject:url];
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}
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2007-03-09 01:16:06 +00:00
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}
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//Create actual entries
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int i;
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NSMutableArray *entries = [NSMutableArray array];
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2007-05-28 14:58:08 +00:00
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for (i = 0; i < [validURLs count]; i++)
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2007-03-09 01:16:06 +00:00
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{
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PlaylistEntry *pe = [[PlaylistEntry alloc] init];
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2007-05-28 14:58:08 +00:00
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NSURL *url = [validURLs objectAtIndex:i];
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2007-03-09 01:16:06 +00:00
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[pe setURL:url];
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2007-03-14 02:28:30 +00:00
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[pe setIndex:[NSNumber numberWithInt:(index+i)]];
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2007-03-09 01:16:06 +00:00
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[pe setTitle:[[url path] lastPathComponent]];
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[entries addObject:pe];
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[pe release];
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}
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NSIndexSet *is = [NSIndexSet indexSetWithIndexesInRange:NSMakeRange(index, [entries count])];
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[playlistController insertObjects:entries atArrangedObjectIndexes:is];
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//Select the first entry in the group that was just added
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[playlistController setSelectionIndex:index];
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//Other thread for reading things...
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[NSThread detachNewThreadSelector:@selector(readEntriesInfoThread:) toTarget:self withObject:entries];
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return;
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}
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- (void)readEntriesInfoThread:(NSArray *)entries
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{
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NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
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NSEnumerator *e = [entries objectEnumerator];
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PlaylistEntry *pe;
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while (pe = [e nextObject])
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{
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[pe readPropertiesThread];
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[pe readMetadataThread];
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//Hack so the display gets updated
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if (pe == [playlistController currentEntry])
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[playlistController performSelectorOnMainThread:@selector(setCurrentEntry:) withObject:[playlistController currentEntry] waitUntilDone:YES];
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}
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[playlistController performSelectorOnMainThread:@selector(updateTotalTime) withObject:nil waitUntilDone:NO];
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[pool release];
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}
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- (void)addURLs:(NSArray *)urls sort:(BOOL)sort
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{
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[self insertURLs:urls atIndex:[[playlistController content] count] sort:sort];
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}
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2007-05-27 16:14:29 +00:00
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- (void)addURL:(NSURL *)url
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{
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[self insertURLs:[NSArray arrayWithObject:url] atIndex:[[playlistController content] count] sort:NO];
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}
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2007-03-09 01:16:06 +00:00
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- (NSArray *)acceptableFileTypes
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{
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2007-10-09 01:20:46 +00:00
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return [[self acceptableContainerTypes] arrayByAddingObjectsFromArray:[AudioPlayer fileTypes]];
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2007-03-09 01:16:06 +00:00
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}
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2007-10-13 04:53:48 +00:00
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- (NSArray *)acceptablePlaylistTypes
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{
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return [NSArray arrayWithObjects:@"m3u", @"pls", nil];
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}
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2007-10-09 01:20:46 +00:00
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- (NSArray *)acceptableContainerTypes
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2007-03-07 01:26:50 +00:00
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{
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2007-10-09 01:20:46 +00:00
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return [AudioPlayer containerTypes];
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2007-03-07 01:26:50 +00:00
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}
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@end
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