// // PlaybackButtons.m // Cog // // Created by Vincent Spader on 2/28/09. // Copyright 2009 __MyCompanyName__. All rights reserved. // #import "PlaybackButtons.h" #import "PlaybackController.h" #import #import "Logging.h" @implementation PlaybackButtons static NSString *PlaybackButtonsPlaybackStatusObservationContext = @"PlaybackButtonsPlaybackStatusObservationContext"; - (void)dealloc { [self stopObserving]; [super dealloc]; } - (void)awakeFromNib { [self startObserving]; } - (void)startObserving { [playbackController addObserver:self forKeyPath:@"playbackStatus" options:(NSKeyValueObservingOptionNew | NSKeyValueObservingOptionInitial) context:PlaybackButtonsPlaybackStatusObservationContext]; } - (void)stopObserving { [playbackController removeObserver:self forKeyPath:@"playbackStatus"]; } - (void)observeValueForKeyPath:(NSString *)keyPath ofObject:(id)object change:(NSDictionary *)change context:(void *)context { if ([PlaybackButtonsPlaybackStatusObservationContext isEqual:context]) { NSInteger playbackStatus = [[change objectForKey:NSKeyValueChangeNewKey] integerValue]; NSImage *image = nil; if (playbackStatus == kCogStatusPlaying) { image = [NSImage imageNamed:@"pauseTemplate"]; } else { image = [NSImage imageNamed:@"playTemplate"]; } [self setImage:image forSegment:1]; } else { [super observeValueForKeyPath:keyPath ofObject:object change:change context:context]; } } - (BOOL)sendAction:(SEL)theAction to:(id)theTarget { DLog(@"Mouse down!"); int clickedSegment = [self selectedSegment]; if (clickedSegment == 0) //Previous { [playbackController prev:self]; } else if (clickedSegment == 1) //Play { [playbackController playPauseResume:self]; } else if (clickedSegment == 2) //Next { [playbackController next:self]; } else { return NO; } return YES; } @end