546 lines
15 KiB
Objective-C
Executable File
546 lines
15 KiB
Objective-C
Executable File
//
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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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#include <objc/runtime.h>
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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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#import "FilePlaylistEntry.h"
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#import "AppController.h"
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#import "NSFileHandle+CreateFile.h"
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#import "CogAudio/AudioPlayer.h"
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#import "CogAudio/AudioContainer.h"
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#import "CogAudio/AudioPropertiesReader.h"
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#import "CogAudio/AudioMetadataReader.h"
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#import "XMlContainer.h"
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#import "NSData+MD5.h"
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@implementation PlaylistLoader
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- (id)init
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{
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self = [super init];
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if (self)
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{
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[self initDefaults];
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queue = [[NSOperationQueue alloc] init];
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[queue setMaxConcurrentOperationCount:1];
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}
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return self;
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}
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- (void)initDefaults
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{
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NSDictionary *defaultsDictionary = [NSDictionary dictionaryWithObjectsAndKeys:
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[NSNumber numberWithBool:YES], @"readCueSheetsInFolders",
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nil];
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[[NSUserDefaults standardUserDefaults] registerDefaults:defaultsDictionary];
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}
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- (void)dealloc
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{
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[queue release];
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[super dealloc];
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}
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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 if ([ext isEqualToString:@"xml"])
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{
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return [self save:filename asType:kPlaylistXml];
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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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else if (type == kPlaylistXml)
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{
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return [self saveXml:filename];
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}
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return NO;
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}
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- (NSString *)relativePathFrom:(NSString *)filename toURL:(NSURL *)entryURL
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{
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NSString *basePath = [[[filename stringByStandardizingPath] stringByDeletingLastPathComponent] stringByAppendingString:@"/"];
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if ([entryURL isFileURL]) {
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//We want relative paths.
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NSMutableString *entryPath = [[[[entryURL path] stringByStandardizingPath] mutableCopy] autorelease];
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[entryPath replaceOccurrencesOfString:basePath withString:@"" options:(NSAnchoredSearch | NSLiteralSearch | NSCaseInsensitiveSearch) range:NSMakeRange(0, [entryPath length])];
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if ([entryURL fragment])
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{
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[entryPath appendString:@"#"];
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[entryPath appendString:[entryURL fragment]];
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}
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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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NSFileHandle *fileHandle = [NSFileHandle fileHandleForWritingAtPath:filename createFile:YES];
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if (!fileHandle) {
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NSLog(@"Error saving m3u!");
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return NO;
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}
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[fileHandle truncateFileAtOffset:0];
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for (PlaylistEntry *pe in [playlistController content])
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{
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NSString *path = [self relativePathFrom:filename toURL:[pe URL]];
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[fileHandle writeData:[[path stringByAppendingString:@"\n"] dataUsingEncoding:NSUTF8StringEncoding]];
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}
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[fileHandle closeFile];
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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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NSFileHandle *fileHandle = [NSFileHandle fileHandleForWritingAtPath:filename createFile:YES];
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if (!fileHandle) {
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return NO;
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}
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[fileHandle truncateFileAtOffset:0];
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[fileHandle writeData:[[NSString stringWithFormat:@"[playlist]\nnumberOfEntries=%lu\n\n",(unsigned long)[[playlistController content] count]] dataUsingEncoding:NSUTF8StringEncoding]];
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int i = 1;
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for (PlaylistEntry *pe in [playlistController content])
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{
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NSString *path = [self relativePathFrom:filename toURL:[pe URL]];
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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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i++;
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}
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[fileHandle writeData:[@"\nVERSION=2" dataUsingEncoding:NSUTF8StringEncoding]];
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[fileHandle closeFile];
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return YES;
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}
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NSMutableDictionary * dictionaryWithPropertiesOfObject(id obj, NSArray * filterList)
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{
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NSMutableDictionary *dict = [NSMutableDictionary dictionary];
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Class class = [obj class];
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do {
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unsigned count;
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objc_property_t *properties = class_copyPropertyList(class, &count);
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for (int i = 0; i < count; i++) {
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NSString *key = [NSString stringWithUTF8String:property_getName(properties[i])];
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if ([filterList containsObject:key]) continue;
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Class classObject = NSClassFromString([key capitalizedString]);
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if (classObject) {
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id subObj = dictionaryWithPropertiesOfObject([obj valueForKey:key], filterList);
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[dict setObject:subObj forKey:key];
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}
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else
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{
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id value = [obj valueForKey:key];
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if(value) [dict setObject:value forKey:key];
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}
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}
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free(properties);
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class = [class superclass];
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} while (class);
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return dict;
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}
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- (BOOL)saveXml:(NSString *)filename
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{
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NSFileHandle *fileHandle = [NSFileHandle fileHandleForWritingAtPath:filename createFile:YES];
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if (!fileHandle) {
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return NO;
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}
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[fileHandle truncateFileAtOffset:0];
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NSArray * filterList = [NSArray arrayWithObjects:@"display", @"length", @"path", @"filename", @"status", @"statusMessage", @"spam", @"stopAfter", @"shuffleIndex", @"index", @"current", @"queued", @"currentPosition", @"queuePosition", @"error", @"removed", @"URL", @"albumArt", nil];
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NSMutableDictionary * albumArtSet = [[NSMutableDictionary alloc] init];
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NSMutableArray * topLevel = [[NSMutableArray alloc] init];
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for (PlaylistEntry *pe in [playlistController content])
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{
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NSMutableDictionary * dict = dictionaryWithPropertiesOfObject(pe, filterList);
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NSString *path = [self relativePathFrom:filename toURL:[pe URL]];
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[dict setObject:path forKey:@"URL"];
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NSData * albumArt = [dict objectForKey:@"albumArtInternal"];
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if (albumArt)
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{
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[dict removeObjectForKey:@"albumArtInternal"];
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NSString * hash = [albumArt MD5];
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if (![albumArtSet objectForKey:hash])
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[albumArtSet setObject:albumArt forKey:hash];
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[dict setObject:hash forKey:@"albumArt"];
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}
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[topLevel addObject:dict];
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[dict release];
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}
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NSDictionary * dictionary = [NSDictionary dictionaryWithObjectsAndKeys:albumArtSet, @"albumArt", topLevel, @"items", nil];
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NSData * data = [NSPropertyListSerialization dataWithPropertyList:dictionary format:NSPropertyListXMLFormat_v1_0 options:0 error:0];
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[albumArtSet release];
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[topLevel release];
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[fileHandle writeData:data];
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[fileHandle closeFile];
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return YES;
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}
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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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NSArray *subpaths = [manager subpathsAtPath:path];
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for (NSString *subpath in subpaths)
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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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if ([[absoluteSubpath pathExtension] caseInsensitiveCompare:@"cue"] != NSOrderedSame ||
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[[NSUserDefaults standardUserDefaults] boolForKey:@"readCueSheetsInFolders"])
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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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}
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return urls;
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}
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- (NSArray*)insertURLs:(NSArray *)urls atIndex:(int)index sort:(BOOL)sort
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{
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NSMutableSet *uniqueURLs = [NSMutableSet set];
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NSMutableArray *expandedURLs = [NSMutableArray array];
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NSMutableArray *containedURLs = [NSMutableArray array];
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NSMutableArray *fileURLs = [NSMutableArray array];
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NSMutableArray *validURLs = [NSMutableArray array];
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NSArray *xmlURLs = nil;
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if (!urls)
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return [NSArray array];
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if (index < 0)
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index = 0;
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NSURL *url;
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for (url in urls)
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{
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if ([url isFileURL]) {
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BOOL isDir;
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if ([[NSFileManager defaultManager] fileExistsAtPath:[url path] isDirectory:&isDir])
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{
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if (isDir == YES)
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{
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//Get subpaths
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[expandedURLs addObjectsFromArray:[self fileURLsAtPath:[url path]]];
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}
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else
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{
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[expandedURLs addObject:url];
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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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[expandedURLs addObject:url];
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}
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}
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NSLog(@"Expanded urls: %@", expandedURLs);
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NSArray *sortedURLs;
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if (sort == YES)
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{
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sortedURLs = [expandedURLs sortedArrayUsingSelector:@selector(finderCompare:)];
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// sortedURLs = [expandedURLs sortedArrayUsingSelector:@selector(compareTrackNumbers:)];
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}
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else
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{
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sortedURLs = expandedURLs;
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}
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for (url in sortedURLs)
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{
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//Container vs non-container url
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if ([[self acceptableContainerTypes] containsObject:[[[url path] pathExtension] lowercaseString]]) {
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[containedURLs addObjectsFromArray:[AudioContainer urlsForContainerURL:url]];
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//Make sure the container isn't added twice.
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[uniqueURLs addObjectsFromArray:containedURLs];
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}
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else if ([[[[url path] pathExtension] lowercaseString] isEqualToString:@"xml"])
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{
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xmlURLs = [XmlContainer entriesForContainerURL:url];
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}
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else
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{
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[fileURLs addObject:url];
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}
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}
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NSLog(@"File urls: %@", fileURLs);
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NSLog(@"Contained urls: %@", containedURLs);
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for (url in fileURLs)
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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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if ([url isFileURL] && ![[AudioPlayer fileTypes] containsObject:[[[url path] pathExtension] lowercaseString]])
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continue;
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if (![uniqueURLs containsObject:url])
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{
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[validURLs addObject:url];
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[uniqueURLs addObject:url];
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}
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}
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NSLog(@"Valid urls: %@", validURLs);
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for (url in containedURLs)
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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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if ([url isFileURL] && ![[AudioPlayer fileTypes] containsObject:[[[url path] pathExtension] lowercaseString]])
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continue;
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[validURLs addObject:url];
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}
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//Create actual entries
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int count = [validURLs count];
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if (xmlURLs) count += [xmlURLs count];
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int i;
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NSMutableArray *entries = [NSMutableArray arrayWithCapacity:count];
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for (i = 0; i < [validURLs count]; i++)
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{
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NSURL *url = [validURLs objectAtIndex:i];
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PlaylistEntry *pe;
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if ([url isFileURL])
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pe = [[FilePlaylistEntry alloc] init];
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else
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pe = [[PlaylistEntry alloc] init];
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pe.URL = url;
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pe.index = index+i;
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pe.title = [[url path] lastPathComponent];
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pe.queuePosition = -1;
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[entries addObject:pe];
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[pe release];
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}
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for (i = 0; i < [xmlURLs count]; i++)
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{
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NSDictionary * entry = [xmlURLs objectAtIndex:i];
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PlaylistEntry *pe;
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if ([[entry objectForKey:@"URL"] isFileURL])
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pe = [[FilePlaylistEntry alloc] init];
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else
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pe = [[PlaylistEntry alloc] init];
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[pe setValuesForKeysWithDictionary:entry];
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pe.index = index+i+[validURLs count];
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pe.queuePosition = -1;
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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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[self performSelectorInBackground:@selector(loadInfoForEntries:) withObject:entries];
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return entries;
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}
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- (void)loadInfoForEntries:(NSArray *)entries
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{
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for (PlaylistEntry *pe in entries)
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{
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if ([pe metadataLoaded]) continue;
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NSAutoreleasePool *pool =[[NSAutoreleasePool alloc] init];
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NSInvocationOperation *readEntryInfoOperation;
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readEntryInfoOperation = [[NSInvocationOperation alloc]
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initWithTarget:self
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selector:@selector(readEntryInfo:)
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object:pe];
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[readEntryInfoOperation addObserver:self
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forKeyPath:@"isFinished"
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options:NSKeyValueObservingOptionNew
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context:NULL];
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[queue addOperation:readEntryInfoOperation];
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[readEntryInfoOperation release];
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[pool release];
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}
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[queue waitUntilAllOperationsAreFinished];
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[playlistController performSelectorOnMainThread:@selector(updateTotalTime) withObject:nil waitUntilDone:NO];
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}
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- (NSDictionary *)readEntryInfo:(PlaylistEntry *)pe
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{
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// Just setting this to 20 for now...
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NSMutableDictionary *entryInfo = [NSMutableDictionary dictionaryWithCapacity:20];
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NSDictionary *entryProperties;
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entryProperties = [AudioPropertiesReader propertiesForURL:pe.URL];
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if (entryProperties == nil)
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return nil;
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[entryInfo addEntriesFromDictionary:entryProperties];
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[entryInfo addEntriesFromDictionary:[AudioMetadataReader metadataForURL:pe.URL]];
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return entryInfo;
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}
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- (void)observeValueForKeyPath:(NSString *)keyPath
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ofObject:(id)object
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change:(NSDictionary *)change
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context:(void *)context
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{
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// We finished reading the info for a playlist entry
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if ([keyPath isEqualToString:@"isFinished"] && [object isFinished])
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{
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// stop observing
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[object removeObserver:self forKeyPath:keyPath];
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// get the playlist entry that the operation read for
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PlaylistEntry *pe = nil;
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[[object invocation] getArgument:&pe atIndex:2];
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[pe performSelectorOnMainThread:@selector(setMetadata:) withObject:[object result] waitUntilDone:NO];
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}
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else
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{
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[super observeValueForKeyPath:keyPath
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ofObject:object
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change:change
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context:context];
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}
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}
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- (void)clear:(id)sender
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{
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[playlistController clear:sender];
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}
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- (NSArray*)addURLs:(NSArray *)urls sort:(BOOL)sort
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{
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return [self insertURLs:urls atIndex:[[playlistController content] count] sort:sort];
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}
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- (NSArray*)addURL:(NSURL *)url
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{
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return [self insertURLs:[NSArray arrayWithObject:url] atIndex:[[playlistController content] count] sort:NO];
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}
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- (NSArray *)acceptableFileTypes
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{
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return [[self acceptableContainerTypes] arrayByAddingObjectsFromArray:[AudioPlayer fileTypes]];
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}
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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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- (NSArray *)acceptableContainerTypes
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{
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return [AudioPlayer containerTypes];
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}
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- (void)willInsertURLs:(NSArray*)urls origin:(URLOrigin)origin
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{
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[playlistController willInsertURLs:urls origin:origin];
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}
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- (void)didInsertURLs:(NSArray*)urls origin:(URLOrigin)origin
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{
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[playlistController didInsertURLs:urls origin:origin];
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}
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@end
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