cog/Application/DockIconController.m

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//
// DockIconController.m
// Cog
//
// Created by Vincent Spader on 2/28/09.
// Copyright 2009 __MyCompanyName__. All rights reserved.
//
#import "DockIconController.h"
#import <CogAudio/Status.h>
@implementation DockIconController
static NSString *DockIconPlaybackStatusObservationContext = @"DockIconPlaybackStatusObservationContext";
- (void)startObserving
{
[playbackController addObserver:self forKeyPath:@"playbackStatus" options:(NSKeyValueObservingOptionNew | NSKeyValueObservingOptionInitial) context:DockIconPlaybackStatusObservationContext];
[[NSUserDefaultsController sharedUserDefaultsController] addObserver:self forKeyPath:@"values.colorfulDockIcons" options:0 context:DockIconPlaybackStatusObservationContext];
}
- (void)stopObserving
{
[playbackController removeObserver:self forKeyPath:@"playbackStatus"];
[[NSUserDefaultsController sharedUserDefaultsController] removeObserver:self forKeyPath:@"values.colorfulDockIcons"];
}
static NSString *getBadgeName(NSString *baseName, BOOL colorfulIcons)
{
if (colorfulIcons)
{
return [baseName stringByAppendingString:@"Colorful"];
}
else
{
return baseName;
}
}
- (void)refreshDockIcon:(NSInteger)playbackStatus
{
if ( playbackStatus < 0 )
playbackStatus = lastPlaybackStatus;
else
lastPlaybackStatus = playbackStatus;
NSImage *badgeImage = nil;
BOOL colorfulIcons = [[NSUserDefaults standardUserDefaults] boolForKey:@"colorfulDockIcons"];
if (playbackStatus == kCogStatusPlaying) {
badgeImage = [NSImage imageNamed:getBadgeName(@"playDockBadge", colorfulIcons)];
}
else if (playbackStatus == kCogStatusPaused) {
badgeImage = [NSImage imageNamed:getBadgeName(@"pauseDockBadge", colorfulIcons)];
}
else {
badgeImage = [NSImage imageNamed:getBadgeName(@"stopDockBadge", colorfulIcons)];
}
NSSize badgeSize = [badgeImage size];
NSImage *newDockImage = [dockImage copy];
[newDockImage lockFocus];
[badgeImage drawInRect:NSMakeRect(0, 0, 128, 128)
fromRect:NSMakeRect(0, 0, badgeSize.width, badgeSize.height)
operation:NSCompositeSourceOver fraction:1.0];
[newDockImage unlockFocus];
[NSApp setApplicationIconImage:newDockImage];
[newDockImage release];
}
- (void)observeValueForKeyPath:(NSString *)keyPath ofObject:(id)object change:(NSDictionary *)change context:(void *)context
{
if ([DockIconPlaybackStatusObservationContext isEqual:context])
{
if ([keyPath isEqualToString:@"playbackStatus"])
{
NSInteger playbackStatus = [[change objectForKey:NSKeyValueChangeNewKey] integerValue];
[self refreshDockIcon:playbackStatus];
}
else if ([keyPath isEqualToString:@"values.colorfulDockIcons"])
{
[self refreshDockIcon:-1];
}
}
else
{
[super observeValueForKeyPath:keyPath ofObject:object change:change context:context];
}
}
- (void)awakeFromNib
{
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dockImage = [[NSImage imageNamed:@"icon_blank"] copy];
[self startObserving];
}
- (void)dealloc
{
[self stopObserving];
[dockImage release];
[super dealloc];
}
@end