cog/Visualization/SpectrumItem.m

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//
// SpectrumItem.m
// Cog
//
// Created by Christopher Snowhill on 2/13/22.
//
#import "SpectrumItem.h"
#import "SpectrumViewSK.h"
#import "SpectrumViewCG.h"
#import "Logging.h"
static void *kSpectrumItemContext = &kSpectrumItemContext;
@interface SpectrumItem ()
@property SpectrumViewSK *spectrumViewSK;
@property SpectrumViewCG *spectrumViewCG;
@end
@implementation SpectrumItem
- (void)awakeFromNib {
[self startRunning];
[[NSUserDefaultsController sharedUserDefaultsController] addObserver:self forKeyPath:@"values.spectrumSceneKit" options:0 context:kSpectrumItemContext];
}
- (void)startRunning {
if(!self.spectrumViewSK && !self.spectrumViewCG) {
NSRect frame = NSMakeRect(0, 0, 64, 26);
self.spectrumViewSK = [SpectrumViewSK createGuardWithFrame:frame];
if(self.spectrumViewSK) {
[self setView:self.spectrumViewSK];
} else {
self.spectrumViewCG = [[SpectrumViewCG alloc] initWithFrame:frame];
if(self.spectrumViewCG) {
[self setView:self.spectrumViewCG];
}
}
}
if(playbackController.playbackStatus == CogStatusPlaying) {
if(self.spectrumViewSK)
[self.spectrumViewSK startPlayback];
else if(self.spectrumViewCG)
[self.spectrumViewCG startPlayback];
}
}
- (void)dealloc {
[[NSUserDefaultsController sharedUserDefaultsController] removeObserver:self forKeyPath:@"values.spectrumSceneKit" context:kSpectrumItemContext];
}
- (void)observeValueForKeyPath:(NSString *)keyPath
ofObject:(id)object
change:(NSDictionary<NSKeyValueChangeKey, id> *)change
context:(void *)context {
if(context == kSpectrumItemContext) {
if([keyPath isEqualToString:@"values.spectrumSceneKit"]) {
self.spectrumViewSK = nil;
self.spectrumViewCG = nil;
[self startRunning];
}
} else {
[super observeValueForKeyPath:keyPath ofObject:object change:change context:context];
}
}
@end