cog/Application/PlaybackController.m

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#import "PlaybackController.h"
#import "PlaylistView.h"
#import "DBLog.h"
#import "CogAudio/Status.h"
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#import "PlaylistController.h"
#import "PlaylistEntry.h"
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@implementation PlaybackController
- (id)init
{
self = [super init];
if (self)
{
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[self initDefaults];
audioPlayer = [[AudioPlayer alloc] init];
[audioPlayer setDelegate:self];
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playbackStatus = kCogStatusStopped;
showTimeRemaining = NO;
scrobbler = [[AudioScrobbler alloc] init];
[GrowlApplicationBridge setGrowlDelegate:self];
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}
return self;
}
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- (void)initDefaults
{
NSDictionary *defaultsDictionary = [NSDictionary dictionaryWithObjectsAndKeys:
[NSNumber numberWithBool:YES], @"enableAudioScrobbler",
[NSNumber numberWithBool:NO], @"automaticallyLaunchLastFM",
nil];
[[NSUserDefaults standardUserDefaults] registerDefaults:defaultsDictionary];
}
- (NSDictionary *) registrationDictionaryForGrowl
{
NSArray *notifications = [NSArray arrayWithObjects:@"Stream Changed", nil];
return [NSDictionary dictionaryWithObjectsAndKeys:
@"Cog", GROWL_APP_NAME,
notifications, GROWL_NOTIFICATIONS_ALL,
notifications, GROWL_NOTIFICATIONS_DEFAULT,
nil];
}
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- (void)awakeFromNib
{
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currentVolume = 100.0;
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[volumeSlider setDoubleValue:pow(10.0, log10(0.5)/4.0)*[volumeSlider maxValue]];
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}
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- (IBAction)playPauseResume:(id)sender
{
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DBLog(@"PLAYING");
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if (playbackStatus == kCogStatusStopped)
[self play:self];
else
[self pauseResume:self];
}
- (IBAction)pauseResume:(id)sender
{
// DBLog(@"Pause/Resume Sent!");
if (playbackStatus == kCogStatusPaused)
[self resume:self];
else
[self pause:self];
}
- (IBAction)pause:(id)sender
{
// DBLog(@"Pause Sent!");
[audioPlayer pause];
if([[NSUserDefaults standardUserDefaults] boolForKey:@"enableAudioScrobbler"]) {
[scrobbler pause];
}
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}
- (IBAction)resume:(id)sender
{
// DBLog(@"Resume Sent!");
[audioPlayer resume];
if([[NSUserDefaults standardUserDefaults] boolForKey:@"enableAudioScrobbler"]) {
[scrobbler resume];
}
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}
- (IBAction)stop:(id)sender
{
// DBLog(@"Stop Sent!");
[audioPlayer stop];
if([[NSUserDefaults standardUserDefaults] boolForKey:@"enableAudioScrobbler"]) {
[scrobbler stop];
}
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}
//called by double-clicking on table
- (void)playEntryAtIndex:(int)i
{
PlaylistEntry *pe = [[playlistController arrangedObjects] objectAtIndex:i];
[self playEntry:pe];
}
- (IBAction)play:(id)sender
{
if ([playlistView selectedRow] == -1)
[playlistView selectRow:0 byExtendingSelection:NO];
[self playEntryAtIndex:[playlistView selectedRow]];
}
- (void)playEntry:(PlaylistEntry *)pe
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{
// DBLog(@"PlayEntry: %@ Sent!", [pe filename]);
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if (playbackStatus != kCogStatusStopped)
[self stop:self];
[playlistController setCurrentEntry:pe];
[positionSlider setDoubleValue:0.0f];
[self updateTimeField:0.0f];
[audioPlayer play:[pe url] withUserInfo:pe];
[audioPlayer setVolume:currentVolume];
if([[NSUserDefaults standardUserDefaults] boolForKey:@"enableAudioScrobbler"]) {
[scrobbler start:pe];
}
[GrowlApplicationBridge notifyWithTitle:[pe title]
description:[pe artist]
notificationName:@"Stream Changed"
iconData:nil
priority:0
isSticky:NO
clickContext:nil];
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}
- (IBAction)next:(id)sender
{
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DBLog(@"CALLING: %i %i", playbackStatus, kCogStatusStopped);
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if ([playlistController next] == NO)
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return;
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if (playbackStatus != kCogStatusStopped)
{
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DBLog(@"STOPPING");
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[self stop:self];
[self playEntry:[playlistController currentEntry]];
}
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}
- (IBAction)prev:(id)sender
{
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DBLog(@"CALLING");
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if ([playlistController prev] == nil)
return;
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if (playbackStatus != kCogStatusStopped)
{
[self stop:self];
[self playEntry:[playlistController currentEntry]];
}
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}
- (IBAction)seek:(id)sender
{
// DBLog(@"SEEKING?");
double time;
time = [positionSlider doubleValue];
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if ([sender tracking] == NO) // check if user stopped sliding before playing audio
[audioPlayer seekToTime:time];
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[self updateTimeField:time];
}
- (void)changePlayButtonImage:(NSString *)name
{
NSImage *img = [NSImage imageNamed:[name stringByAppendingString:@"_gray"]];
NSImage *alt = [NSImage imageNamed:[name stringByAppendingString:@"_blue"]];
[img retain];
[alt retain];
if (img == nil)
{
DBLog(@"NIL IMAGE!!!");
}
if (alt == nil)
{
DBLog(@"NIL ALT");
}
[playButton setImage:img];
[playButton setAlternateImage:alt];
}
- (IBAction)changeVolume:(id)sender
{
double percent;
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//Approximated log
percent = (float)[sender doubleValue]/[sender maxValue];
percent = percent * percent * percent * percent;
//gravitates at the 100% mark
float v = [sender frame].size.width - ([sender frame].size.width*(percent*[sender maxValue])/100.0);
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if (fabs(v) < 10.0)
{
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percent = 0.5;
v = pow(10.0, log10(percent)/4.0);
[sender setDoubleValue:v*[sender maxValue]];
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}
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currentVolume = percent * [sender maxValue];
[audioPlayer setVolume:currentVolume];
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}
- (IBAction)volumeDown:(id)sender
{
double percent;
[volumeSlider setDoubleValue:([volumeSlider doubleValue] - 5)];
percent = (float)[volumeSlider doubleValue]/[volumeSlider maxValue];
percent = percent * percent * percent * percent;
currentVolume = percent * [volumeSlider maxValue];
[audioPlayer setVolume:currentVolume];
}
- (IBAction)volumeUp:(id)sender
{
double percent;
[volumeSlider setDoubleValue:([volumeSlider doubleValue] + 5)];
percent = (float)[volumeSlider doubleValue]/[volumeSlider maxValue];
percent = percent * percent * percent * percent;
currentVolume = percent * [volumeSlider maxValue];
[audioPlayer setVolume:currentVolume];
}
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- (void)updateTimeField:(double)pos
{
NSString *text;
if (showTimeRemaining == NO)
{
int sec = (int)(pos/1000.0);
text = [NSString stringWithFormat:NSLocalizedString(@"TimeElapsed", @""), sec/60, sec%60];
}
else
{
int sec = (int)(([positionSlider maxValue] - pos)/1000.0);
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if (sec < 0)
sec = 0;
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text = [NSString stringWithFormat:NSLocalizedString(@"TimeRemaining", @""), sec/60, sec%60];
}
[timeField setStringValue:text];
}
- (IBAction)toggleShowTimeRemaining:(id)sender
{
showTimeRemaining = !showTimeRemaining;
[self updateTimeField:[positionSlider doubleValue]];
}
- (void)audioPlayer:(AudioPlayer *)player requestNextStream:(id)userInfo
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{
PlaylistEntry *curEntry = (PlaylistEntry *)userInfo;
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PlaylistEntry *pe;
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if ([playlistController shuffle] == YES)
{
pe = [playlistController entryAtIndex:[[curEntry shuffleIndex] intValue] + 1];
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}
else
{
pe = [playlistController entryAtIndex:[[curEntry index] intValue] + 1];
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}
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if (pe == nil)
{
[player setNextStream:nil];
}
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else
{
DBLog(@"NEXT SONG: %@", [pe url]);
[player setNextStream:[pe url] withUserInfo:pe];
}
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}
- (void)audioPlayer:(AudioPlayer *)player streamChanged:(id)userInfo
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{
PlaylistEntry *pe = (PlaylistEntry *)userInfo;
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[playlistController setCurrentEntry:pe];
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[positionSlider setDoubleValue:0.0f];
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[self updateTimeField:0.0f];
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if([[NSUserDefaults standardUserDefaults] boolForKey:@"enableAudioScrobbler"]) {
[scrobbler start:pe];
}
[GrowlApplicationBridge notifyWithTitle:[pe title]
description:[pe artist]
notificationName:@"Stream Changed"
iconData:nil
priority:0
isSticky:NO
clickContext:nil];
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}
- (void)updatePosition:(id)sender
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{
double pos = [audioPlayer amountPlayed];
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if ([positionSlider tracking] == NO)
{
// DBLog(@"Received pos update: %f", pos);
[positionSlider setDoubleValue:pos];
[self updateTimeField:pos];
}
}
- (void)audioPlayer:(AudioPlayer *)player statusChanged:(id)s
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{
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int status = [s intValue];
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if (status == kCogStatusStopped || status == kCogStatusPaused)
{
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DBLog(@"INVALIDATING");
if (positionTimer)
{
[positionTimer invalidate];
positionTimer = NULL;
}
if (status == kCogStatusStopped)
{
[positionSlider setDoubleValue:0.0f];
[self updateTimeField:0.0f];
}
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//Show play image
[self changePlayButtonImage:@"play"];
}
else if (status == kCogStatusPlaying)
{
if (!positionTimer)
positionTimer = [NSTimer scheduledTimerWithTimeInterval:1.00 target:self selector:@selector(updatePosition:) userInfo:nil repeats:YES];
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//Show pause
[self changePlayButtonImage:@"pause"];
}
playbackStatus = status;
}
@end