419 lines
11 KiB
Objective-C
Executable File
419 lines
11 KiB
Objective-C
Executable File
//
|
|
// PlaylistLoader.m
|
|
// Cog
|
|
//
|
|
// Created by Vincent Spader on 3/05/07.
|
|
// Copyright 2007 Vincent Spader All rights reserved.
|
|
//
|
|
|
|
#import "PlaylistLoader.h"
|
|
#import "PlaylistController.h"
|
|
#import "PlaylistEntry.h"
|
|
#import "FilePlaylistEntry.h"
|
|
#import "AppController.h"
|
|
|
|
#import "NSFileHandle+CreateFile.h"
|
|
|
|
#import "CogAudio/AudioPlayer.h"
|
|
#import "CogAudio/AudioContainer.h"
|
|
#import "CogAudio/AudioPropertiesReader.h"
|
|
#import "CogAudio/AudioMetadataReader.h"
|
|
|
|
@implementation PlaylistLoader
|
|
|
|
- (id)init
|
|
{
|
|
self = [super init];
|
|
if (self)
|
|
{
|
|
[self initDefaults];
|
|
|
|
queue = [[NSOperationQueue alloc] init];
|
|
[queue setMaxConcurrentOperationCount:1];
|
|
}
|
|
|
|
return self;
|
|
}
|
|
|
|
- (void)initDefaults
|
|
{
|
|
NSDictionary *defaultsDictionary = [NSDictionary dictionaryWithObjectsAndKeys:
|
|
[NSNumber numberWithBool:YES], @"readCueSheetsInFolders",
|
|
nil];
|
|
|
|
[[NSUserDefaults standardUserDefaults] registerDefaults:defaultsDictionary];
|
|
}
|
|
|
|
- (void)dealloc
|
|
{
|
|
[queue release];
|
|
|
|
[super dealloc];
|
|
}
|
|
|
|
- (BOOL)save:(NSString *)filename
|
|
{
|
|
NSString *ext = [filename pathExtension];
|
|
if ([ext isEqualToString:@"pls"])
|
|
{
|
|
return [self save:filename asType:kPlaylistPls];
|
|
}
|
|
else
|
|
{
|
|
return [self save:filename asType:kPlaylistM3u];
|
|
}
|
|
}
|
|
|
|
- (BOOL)save:(NSString *)filename asType:(PlaylistType)type
|
|
{
|
|
if (type == kPlaylistM3u)
|
|
{
|
|
return [self saveM3u:filename];
|
|
}
|
|
else if (type == kPlaylistPls)
|
|
{
|
|
return [self savePls:filename];
|
|
}
|
|
|
|
return NO;
|
|
}
|
|
|
|
- (NSString *)relativePathFrom:(NSString *)filename toURL:(NSURL *)entryURL
|
|
{
|
|
NSString *basePath = [[[filename stringByStandardizingPath] stringByDeletingLastPathComponent] stringByAppendingString:@"/"];
|
|
|
|
if ([entryURL isFileURL]) {
|
|
//We want relative paths.
|
|
NSMutableString *entryPath = [[[[entryURL path] stringByStandardizingPath] mutableCopy] autorelease];
|
|
|
|
[entryPath replaceOccurrencesOfString:basePath withString:@"" options:(NSAnchoredSearch | NSLiteralSearch | NSCaseInsensitiveSearch) range:NSMakeRange(0, [entryPath length])];
|
|
if ([entryURL fragment])
|
|
{
|
|
[entryPath appendString:@"#"];
|
|
[entryPath appendString:[entryURL fragment]];
|
|
}
|
|
|
|
return entryPath;
|
|
}
|
|
else {
|
|
//Write [entryURL absoluteString] to file
|
|
return [entryURL absoluteString];
|
|
}
|
|
}
|
|
|
|
- (BOOL)saveM3u:(NSString *)filename
|
|
{
|
|
NSFileHandle *fileHandle = [NSFileHandle fileHandleForWritingAtPath:filename createFile:YES];
|
|
if (!fileHandle) {
|
|
NSLog(@"Error saving m3u!");
|
|
return NO;
|
|
}
|
|
[fileHandle truncateFileAtOffset:0];
|
|
|
|
for (PlaylistEntry *pe in [playlistController content])
|
|
{
|
|
NSString *path = [self relativePathFrom:filename toURL:[pe URL]];
|
|
[fileHandle writeData:[[path stringByAppendingString:@"\n"] dataUsingEncoding:NSUTF8StringEncoding]];
|
|
}
|
|
|
|
[fileHandle closeFile];
|
|
|
|
return YES;
|
|
}
|
|
|
|
- (BOOL)savePls:(NSString *)filename
|
|
{
|
|
NSFileHandle *fileHandle = [NSFileHandle fileHandleForWritingAtPath:filename createFile:YES];
|
|
if (!fileHandle) {
|
|
return NO;
|
|
}
|
|
[fileHandle truncateFileAtOffset:0];
|
|
|
|
[fileHandle writeData:[[NSString stringWithFormat:@"[playlist]\nnumberOfEntries=%lu\n\n",(unsigned long)[[playlistController content] count]] dataUsingEncoding:NSUTF8StringEncoding]];
|
|
|
|
int i = 1;
|
|
for (PlaylistEntry *pe in [playlistController content])
|
|
{
|
|
NSString *path = [self relativePathFrom:filename toURL:[pe URL]];
|
|
NSString *entry = [NSString stringWithFormat:@"File%i=%@\n",i,path];
|
|
|
|
[fileHandle writeData:[entry dataUsingEncoding:NSUTF8StringEncoding]];
|
|
i++;
|
|
}
|
|
|
|
[fileHandle writeData:[@"\nVERSION=2" dataUsingEncoding:NSUTF8StringEncoding]];
|
|
[fileHandle closeFile];
|
|
|
|
return YES;
|
|
}
|
|
|
|
- (NSArray *)fileURLsAtPath:(NSString *)path
|
|
{
|
|
NSFileManager *manager = [NSFileManager defaultManager];
|
|
|
|
NSMutableArray *urls = [NSMutableArray array];
|
|
|
|
NSArray *subpaths = [manager subpathsAtPath:path];
|
|
|
|
for (NSString *subpath in subpaths)
|
|
{
|
|
NSString *absoluteSubpath = [NSString pathWithComponents:[NSArray arrayWithObjects:path,subpath,nil]];
|
|
|
|
BOOL isDir;
|
|
if ( [manager fileExistsAtPath:absoluteSubpath isDirectory:&isDir] && isDir == NO)
|
|
{
|
|
if ([[absoluteSubpath pathExtension] caseInsensitiveCompare:@"cue"] != NSOrderedSame ||
|
|
[[NSUserDefaults standardUserDefaults] boolForKey:@"readCueSheetsInFolders"])
|
|
{
|
|
[urls addObject:[NSURL fileURLWithPath:absoluteSubpath]];
|
|
}
|
|
}
|
|
}
|
|
|
|
return urls;
|
|
}
|
|
|
|
- (NSArray*)insertURLs:(NSArray *)urls atIndex:(int)index sort:(BOOL)sort
|
|
{
|
|
NSMutableSet *uniqueURLs = [NSMutableSet set];
|
|
|
|
NSMutableArray *expandedURLs = [NSMutableArray array];
|
|
NSMutableArray *containedURLs = [NSMutableArray array];
|
|
NSMutableArray *fileURLs = [NSMutableArray array];
|
|
NSMutableArray *validURLs = [NSMutableArray array];
|
|
|
|
if (!urls)
|
|
return [NSArray array];
|
|
|
|
if (index < 0)
|
|
index = 0;
|
|
|
|
NSURL *url;
|
|
for (url in urls)
|
|
{
|
|
if ([url isFileURL]) {
|
|
BOOL isDir;
|
|
if ([[NSFileManager defaultManager] fileExistsAtPath:[url path] isDirectory:&isDir])
|
|
{
|
|
if (isDir == YES)
|
|
{
|
|
//Get subpaths
|
|
[expandedURLs addObjectsFromArray:[self fileURLsAtPath:[url path]]];
|
|
}
|
|
else
|
|
{
|
|
[expandedURLs addObject:url];
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
//Non-file URL..
|
|
[expandedURLs addObject:url];
|
|
}
|
|
}
|
|
|
|
NSLog(@"Expanded urls: %@", expandedURLs);
|
|
|
|
NSArray *sortedURLs;
|
|
if (sort == YES)
|
|
{
|
|
sortedURLs = [expandedURLs sortedArrayUsingSelector:@selector(finderCompare:)];
|
|
// sortedURLs = [expandedURLs sortedArrayUsingSelector:@selector(compareTrackNumbers:)];
|
|
}
|
|
else
|
|
{
|
|
sortedURLs = expandedURLs;
|
|
}
|
|
|
|
for (url in sortedURLs)
|
|
{
|
|
//Container vs non-container url
|
|
if ([[self acceptableContainerTypes] containsObject:[[[url path] pathExtension] lowercaseString]]) {
|
|
[containedURLs addObjectsFromArray:[AudioContainer urlsForContainerURL:url]];
|
|
|
|
//Make sure the container isn't added twice.
|
|
[uniqueURLs addObjectsFromArray:containedURLs];
|
|
}
|
|
else
|
|
{
|
|
[fileURLs addObject:url];
|
|
}
|
|
}
|
|
|
|
NSLog(@"File urls: %@", fileURLs);
|
|
|
|
NSLog(@"Contained urls: %@", containedURLs);
|
|
|
|
for (url in fileURLs)
|
|
{
|
|
if (![[AudioPlayer schemes] containsObject:[url scheme]])
|
|
continue;
|
|
|
|
//Need a better way to determine acceptable file types than basing it on extensions.
|
|
if ([url isFileURL] && ![[AudioPlayer fileTypes] containsObject:[[[url path] pathExtension] lowercaseString]])
|
|
continue;
|
|
|
|
if (![uniqueURLs containsObject:url])
|
|
{
|
|
[validURLs addObject:url];
|
|
|
|
[uniqueURLs addObject:url];
|
|
}
|
|
}
|
|
|
|
NSLog(@"Valid urls: %@", validURLs);
|
|
|
|
for (url in containedURLs)
|
|
{
|
|
if (![[AudioPlayer schemes] containsObject:[url scheme]])
|
|
continue;
|
|
|
|
//Need a better way to determine acceptable file types than basing it on extensions.
|
|
if ([url isFileURL] && ![[AudioPlayer fileTypes] containsObject:[[[url path] pathExtension] lowercaseString]])
|
|
continue;
|
|
|
|
[validURLs addObject:url];
|
|
}
|
|
|
|
//Create actual entries
|
|
int i;
|
|
NSMutableArray *entries = [NSMutableArray arrayWithCapacity:[validURLs count]];
|
|
for (i = 0; i < [validURLs count]; i++)
|
|
{
|
|
NSURL *url = [validURLs objectAtIndex:i];
|
|
|
|
PlaylistEntry *pe;
|
|
if ([url isFileURL])
|
|
pe = [[FilePlaylistEntry alloc] init];
|
|
else
|
|
pe = [[PlaylistEntry alloc] init];
|
|
|
|
pe.URL = url;
|
|
pe.index = index+i;
|
|
pe.title = [[url path] lastPathComponent];
|
|
pe.queuePosition = -1;
|
|
[entries addObject:pe];
|
|
|
|
[pe release];
|
|
}
|
|
|
|
NSIndexSet *is = [NSIndexSet indexSetWithIndexesInRange:NSMakeRange(index, [entries count])];
|
|
|
|
[playlistController insertObjects:entries atArrangedObjectIndexes:is];
|
|
|
|
//Select the first entry in the group that was just added
|
|
[playlistController setSelectionIndex:index];
|
|
[self performSelectorInBackground:@selector(loadInfoForEntries:) withObject:entries];
|
|
return entries;
|
|
}
|
|
|
|
- (void)loadInfoForEntries:(NSArray *)entries
|
|
{
|
|
for (PlaylistEntry *pe in entries)
|
|
{
|
|
NSAutoreleasePool *pool =[[NSAutoreleasePool alloc] init];
|
|
|
|
NSInvocationOperation *readEntryInfoOperation;
|
|
readEntryInfoOperation = [[NSInvocationOperation alloc]
|
|
initWithTarget:self
|
|
selector:@selector(readEntryInfo:)
|
|
object:pe];
|
|
|
|
[readEntryInfoOperation addObserver:self
|
|
forKeyPath:@"isFinished"
|
|
options:NSKeyValueObservingOptionNew
|
|
context:NULL];
|
|
[queue addOperation:readEntryInfoOperation];
|
|
|
|
[readEntryInfoOperation release];
|
|
|
|
[pool release];
|
|
}
|
|
|
|
[queue waitUntilAllOperationsAreFinished];
|
|
|
|
[playlistController performSelectorOnMainThread:@selector(updateTotalTime) withObject:nil waitUntilDone:NO];
|
|
}
|
|
|
|
- (NSDictionary *)readEntryInfo:(PlaylistEntry *)pe
|
|
{
|
|
// Just setting this to 20 for now...
|
|
NSMutableDictionary *entryInfo = [NSMutableDictionary dictionaryWithCapacity:20];
|
|
NSDictionary *entryProperties;
|
|
entryProperties = [AudioPropertiesReader propertiesForURL:pe.URL];
|
|
if (entryProperties == nil)
|
|
return nil;
|
|
|
|
[entryInfo addEntriesFromDictionary:entryProperties];
|
|
[entryInfo addEntriesFromDictionary:[AudioMetadataReader metadataForURL:pe.URL]];
|
|
return entryInfo;
|
|
}
|
|
|
|
- (void)observeValueForKeyPath:(NSString *)keyPath
|
|
ofObject:(id)object
|
|
change:(NSDictionary *)change
|
|
context:(void *)context
|
|
{
|
|
// We finished reading the info for a playlist entry
|
|
if ([keyPath isEqualToString:@"isFinished"] && [object isFinished])
|
|
{
|
|
// stop observing
|
|
[object removeObserver:self forKeyPath:keyPath];
|
|
|
|
// get the playlist entry that the operation read for
|
|
PlaylistEntry *pe = nil;
|
|
[[object invocation] getArgument:&pe atIndex:2];
|
|
[pe performSelectorOnMainThread:@selector(setMetadata:) withObject:[object result] waitUntilDone:NO];
|
|
|
|
}
|
|
else
|
|
{
|
|
[super observeValueForKeyPath:keyPath
|
|
ofObject:object
|
|
change:change
|
|
context:context];
|
|
}
|
|
}
|
|
|
|
- (void)clear:(id)sender
|
|
{
|
|
[playlistController clear:sender];
|
|
}
|
|
|
|
- (NSArray*)addURLs:(NSArray *)urls sort:(BOOL)sort
|
|
{
|
|
return [self insertURLs:urls atIndex:[[playlistController content] count] sort:sort];
|
|
}
|
|
|
|
- (NSArray*)addURL:(NSURL *)url
|
|
{
|
|
return [self insertURLs:[NSArray arrayWithObject:url] atIndex:[[playlistController content] count] sort:NO];
|
|
}
|
|
|
|
- (NSArray *)acceptableFileTypes
|
|
{
|
|
return [[self acceptableContainerTypes] arrayByAddingObjectsFromArray:[AudioPlayer fileTypes]];
|
|
}
|
|
|
|
- (NSArray *)acceptablePlaylistTypes
|
|
{
|
|
return [NSArray arrayWithObjects:@"m3u", @"pls", nil];
|
|
}
|
|
|
|
- (NSArray *)acceptableContainerTypes
|
|
{
|
|
return [AudioPlayer containerTypes];
|
|
}
|
|
|
|
- (void)willInsertURLs:(NSArray*)urls origin:(URLOrigin)origin
|
|
{
|
|
[playlistController willInsertURLs:urls origin:origin];
|
|
}
|
|
- (void)didInsertURLs:(NSArray*)urls origin:(URLOrigin)origin
|
|
{
|
|
[playlistController didInsertURLs:urls origin:origin];
|
|
}
|
|
|
|
@end
|