cog/Application/PlaybackController.m

355 lines
7.6 KiB
Objective-C

#import "PlaybackController.h"
#import "PlaylistView.h"
#import "CogAudio/Status.h"
#import "PlaylistController.h"
#import "PlaylistEntry.h"
@implementation PlaybackController
- (id)init
{
self = [super init];
if (self)
{
[self initDefaults];
audioPlayer = [[AudioPlayer alloc] init];
[audioPlayer setDelegate:self];
playbackStatus = kCogStatusStopped;
showTimeRemaining = NO;
scrobbler = [[AudioScrobbler alloc] init];
[GrowlApplicationBridge setGrowlDelegate:self];
}
return self;
}
- (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];
}
- (void)awakeFromNib
{
currentVolume = 100.0;
[volumeSlider setDoubleValue:pow(10.0, log10(0.5)/4.0)*[volumeSlider maxValue]];
[positionSlider setEnabled:NO];
}
- (IBAction)playPauseResume:(id)sender
{
if (playbackStatus == kCogStatusStopped)
[self play:self];
else
[self pauseResume:self];
}
- (IBAction)pauseResume:(id)sender
{
if (playbackStatus == kCogStatusPaused)
[self resume:self];
else
[self pause:self];
}
- (IBAction)pause:(id)sender
{
[audioPlayer pause];
if([[NSUserDefaults standardUserDefaults] boolForKey:@"enableAudioScrobbler"]) {
[scrobbler pause];
}
}
- (IBAction)resume:(id)sender
{
[audioPlayer resume];
if([[NSUserDefaults standardUserDefaults] boolForKey:@"enableAudioScrobbler"]) {
[scrobbler resume];
}
}
- (IBAction)stop:(id)sender
{
[audioPlayer stop];
if([[NSUserDefaults standardUserDefaults] boolForKey:@"enableAudioScrobbler"]) {
[scrobbler stop];
}
}
//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
{
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];
}
- (IBAction)next:(id)sender
{
if ([playlistController next] == NO)
return;
[self stop:self];
[self playEntry:[playlistController currentEntry]];
}
- (IBAction)prev:(id)sender
{
if ([playlistController prev] == nil)
return;
[self stop:self];
[self playEntry:[playlistController currentEntry]];
}
- (IBAction)seek:(id)sender
{
double time;
time = [positionSlider doubleValue];
if ([sender tracking] == NO) // check if user stopped sliding before playing audio
[audioPlayer seekToTime:time];
[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)
{
NSLog(@"Error loading image!");
}
if (alt == nil)
{
NSLog(@"Error loading alt image...");
}
[playButton setImage:img];
[playButton setAlternateImage:alt];
}
- (IBAction)changeVolume:(id)sender
{
double percent;
//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);
if (fabs(v) < 10.0)
{
percent = 0.5;
v = pow(10.0, log10(percent)/4.0);
[sender setDoubleValue:v*[sender maxValue]];
}
currentVolume = percent * [sender maxValue];
[audioPlayer setVolume:currentVolume];
}
- (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];
}
- (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);
if (sec < 0)
sec = 0;
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
{
PlaylistEntry *curEntry = (PlaylistEntry *)userInfo;
PlaylistEntry *pe = [playlistController getNextEntry:curEntry];
[player setNextStream:[pe url] withUserInfo:pe];
}
- (void)audioPlayer:(AudioPlayer *)player streamChanged:(id)userInfo
{
PlaylistEntry *pe = (PlaylistEntry *)userInfo;
[playlistController setCurrentEntry:pe];
[positionSlider setDoubleValue:0.0f];
[self updateTimeField:0.0f];
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];
}
- (void)updatePosition:(id)sender
{
double pos = [audioPlayer amountPlayed];
if ([positionSlider tracking] == NO)
{
[positionSlider setDoubleValue:pos];
[self updateTimeField:pos];
}
}
- (void)audioPlayer:(AudioPlayer *)player statusChanged:(id)s
{
int status = [s intValue];
if (status == kCogStatusStopped || status == kCogStatusPaused)
{
if (positionTimer)
{
[positionTimer invalidate];
positionTimer = NULL;
}
if (status == kCogStatusStopped)
{
[positionSlider setDoubleValue:0.0f];
[self updateTimeField:0.0f];
}
//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];
//Show pause
[self changePlayButtonImage:@"pause"];
}
if (status == kCogStatusStopped) {
[positionSlider setEnabled:NO];
}
else {
[positionSlider setEnabled:[[[playlistController currentEntry] seekable] boolValue]];
}
playbackStatus = status;
}
@end