cog/Playlist/PlaylistEntry.m

372 lines
8.1 KiB
Objective-C

//
// PlaylistEntry.m
// Cog
//
// Created by Vincent Spader on 3/14/05.
// Copyright 2005 Vincent Spader All rights reserved.
//
#import "PlaylistEntry.h"
#import "SecondsFormatter.h"
@implementation PlaylistEntry
@synthesize index;
@synthesize shuffleIndex;
@synthesize current;
@synthesize removed;
@synthesize stopAfter;
@synthesize queued;
@synthesize queuePosition;
@synthesize error;
@synthesize errorMessage;
@synthesize URL;
@synthesize artist;
@synthesize album;
@synthesize genre;
@synthesize year;
@synthesize track;
@synthesize totalFrames;
@synthesize bitrate;
@synthesize channels;
@synthesize bitsPerSample;
@synthesize floatingPoint;
@synthesize Unsigned;
@synthesize sampleRate;
@synthesize replayGainAlbumGain;
@synthesize replayGainAlbumPeak;
@synthesize replayGainTrackGain;
@synthesize replayGainTrackPeak;
@synthesize volume;
@synthesize currentPosition;
@synthesize endian;
@synthesize seekable;
@synthesize metadataLoaded;
// The following read-only keys depend on the values of other properties
+ (NSSet *)keyPathsForValuesAffectingDisplay
{
return [NSSet setWithObjects:@"artist",@"title",nil];
}
+ (NSSet *)keyPathsForValuesAffectingLength
{
return [NSSet setWithObject:@"totalFrames"];
}
+ (NSSet *)keyPathsForValuesAffectingPath
{
return [NSSet setWithObject:@"URL"];
}
+ (NSSet *)keyPathsForValuesAffectingFilename
{
return [NSSet setWithObject:@"URL"];
}
+ (NSSet *)keyPathsForValuesAffectingStatus
{
return [NSSet setWithObjects:@"current",@"queued", @"error", @"stopAfter", nil];
}
+ (NSSet *)keyPathsForValuesAffectingStatusMessage
{
return [NSSet setWithObjects:@"current", @"queued", @"queuePosition", @"error", @"errorMessage", @"stopAfter", nil];
}
+ (NSSet *)keyPathsForValuesAffectingSpam
{
return [NSSet setWithObjects:@"artist", @"title", @"album", @"track", @"totalFrames", @"currentPosition", @"bitrate", nil];
}
+ (NSSet *)keyPathsForValuesAffectingPositionText
{
return [NSSet setWithObject:@"currentPosition"];
}
+ (NSSet *)keyPathsForValuesAffectingLengthText
{
return [NSSet setWithObject:@"length"];
}
+ (NSSet *)keyPathsForValuesAffectingAlbumArt
{
return [NSSet setWithObject:@"albumArtInternal"];
}
- (NSString *)description
{
return [NSString stringWithFormat:@"PlaylistEntry %i:(%@)", self.index, self.URL];
}
- (id)init
{
if (self = [super init]) {
self.replayGainAlbumGain = 0;
self.replayGainAlbumPeak = 0;
self.replayGainTrackGain = 0;
self.replayGainTrackPeak = 0;
self.volume = 1;
}
return self;
}
- (void)dealloc
{
self.errorMessage = nil;
self.URL = nil;
self.artist = nil;
self.album = nil;
self.title = nil;
self.genre = nil;
self.year = nil;
self.track = nil;
self.albumArtInternal = nil;
self.endian = nil;
[super dealloc];
}
// Get the URL if the title is blank
@synthesize title;
- (NSString *)title
{
if((title == nil || [title isEqualToString:@""]) && self.URL)
{
return [[self.URL path] lastPathComponent];
}
return title;
}
@dynamic display;
- (NSString *)display
{
if ((self.artist == NULL) || ([self.artist isEqualToString:@""]))
return self.title;
else {
return [NSString stringWithFormat:@"%@ - %@", self.artist, self.title];
}
}
@dynamic spam;
- (NSString *)spam
{
BOOL hasBitrate = (self.bitrate != 0);
BOOL hasArtist = (self.artist != nil) && (![self.artist isEqualToString:@""]);
BOOL hasAlbum = (self.album != nil) && (![self.album isEqualToString:@""]);
BOOL hasTrack = (self.track != 0);
BOOL hasLength = (self.totalFrames != 0);
BOOL hasCurrentPosition = (self.currentPosition != 0) && (self.current);
BOOL hasExtension = NO;
BOOL hasTitle = (title != nil) && (![title isEqualToString:@""]);
NSMutableString * filename = [NSMutableString stringWithString:[self filename]];
NSRange dotPosition = [filename rangeOfString:@"." options:NSBackwardsSearch];
NSString * extension = nil;
if (dotPosition.length > 0) {
dotPosition.location++;
dotPosition.length = [filename length] - dotPosition.location;
extension = [filename substringWithRange:dotPosition];
dotPosition.location--;
dotPosition.length++;
[filename deleteCharactersInRange:dotPosition];
hasExtension = YES;
}
NSMutableArray * elements = [NSMutableArray array];
if (hasExtension) {
[elements addObject:@"["];
[elements addObject:[extension uppercaseString]];
if (hasBitrate) {
[elements addObject:@"@"];
[elements addObject:[NSString stringWithFormat:@"%u", self.bitrate]];
[elements addObject:@"kbps"];
}
[elements addObject:@"] "];
}
if (hasArtist) {
[elements addObject:self.artist];
[elements addObject:@" - "];
}
if (hasAlbum) {
[elements addObject:@"["];
[elements addObject:self.album];
if (hasTrack) {
[elements addObject:@" #"];
[elements addObject:[NSString stringWithFormat:@"%@", self.track]];
}
[elements addObject:@"] "];
}
if (hasTitle) {
[elements addObject:title];
}
else {
[elements addObject:filename];
}
if (hasCurrentPosition || hasLength) {
SecondsFormatter *secondsFormatter = [[SecondsFormatter alloc] init];
[elements addObject:@" ("];
if (hasCurrentPosition) {
[elements addObject:[secondsFormatter stringForObjectValue:[NSNumber numberWithFloat:currentPosition]]];
}
if (hasLength) {
if (hasCurrentPosition) {
[elements addObject:@" / "];
}
[elements addObject:[secondsFormatter stringForObjectValue:[self length]]];
}
[elements addObject:@")"];
[secondsFormatter release];
}
return [elements componentsJoinedByString:@""];
}
@dynamic positionText;
- (NSString *)positionText
{
SecondsFormatter *secondsFormatter = [[SecondsFormatter alloc] init];
NSString *time = [secondsFormatter stringForObjectValue:[NSNumber numberWithFloat:currentPosition]];
[secondsFormatter release];
return time;
}
@dynamic lengthText;
- (NSString *)lengthText
{
SecondsFormatter *secondsFormatter = [[SecondsFormatter alloc] init];
NSString *time = [secondsFormatter stringForObjectValue:[self length]];
[secondsFormatter release];
return time;
}
@synthesize albumArtInternal;
@dynamic albumArt;
- (NSImage *)albumArt
{
if (!albumArtInternal) return nil;
NSString *imageCacheTag = [NSString stringWithFormat:@"%@-%@-%@-%@", album, artist, genre, year];
NSImage *image = [NSImage imageNamed:imageCacheTag];
if (image == nil)
{
image = [[[NSImage alloc] initWithData:albumArtInternal] autorelease];
[image setName:imageCacheTag];
}
return image;
}
- (void)setAlbumArt:(id)data
{
if ([data isKindOfClass:[NSData class]])
{
[self setAlbumArtInternal:data];
}
}
@dynamic length;
- (NSNumber *)length
{
return [NSNumber numberWithDouble:((double)self.totalFrames / self.sampleRate)];
}
@dynamic path;
- (NSString *)path
{
return [[self.URL path] stringByAbbreviatingWithTildeInPath];
}
@dynamic filename;
- (NSString *)filename
{
return [[self.URL path] lastPathComponent];
}
@dynamic status;
- (NSString *)status
{
if (self.stopAfter)
{
return @"stopAfter";
}
else if (self.current)
{
return @"playing";
}
else if (self.queued)
{
return @"queued";
}
else if (self.error)
{
return @"error";
}
return nil;
}
@dynamic statusMessage;
- (NSString *)statusMessage
{
if (self.stopAfter)
{
return @"Stopping once finished...";
}
else if (self.current)
{
return @"Playing...";
}
else if (self.queued)
{
return [NSString stringWithFormat:@"Queued: %i", self.queuePosition + 1];
}
else if (self.error)
{
return errorMessage;
}
return nil;
}
- (void)setMetadata:(NSDictionary *)metadata
{
if (metadata == nil)
{
self.error = YES;
self.errorMessage = @"Unable to retrieve metadata.";
}
else
{
[self setValuesForKeysWithDictionary:metadata];
}
metadataLoaded = YES;
}
@end