cog/Window/PlaybackButtons.m

92 lines
1.8 KiB
Objective-C

//
// PlaybackButtons.m
// Cog
//
// Created by Vincent Spader on 2/28/09.
// Copyright 2009 __MyCompanyName__. All rights reserved.
//
#import "PlaybackButtons.h"
#import "PlaybackController.h"
#import <CogAudio/Status.h>
#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