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#import "MASShortcut+UserDefaults.h"
#import "MASShortcut+Monitoring.h"
@interface MASShortcutUserDefaultsHotKey : NSObject
@property (nonatomic, readonly) NSString *userDefaultsKey;
@property (nonatomic, copy) void (^handler)();
@property (nonatomic, weak) id monitor;
- (id)initWithUserDefaultsKey:(NSString *)userDefaultsKey handler:(void (^)())handler;
@end
#pragma mark -
@implementation MASShortcut (UserDefaults)
+ (NSMutableDictionary *)registeredUserDefaultsHotKeys
{
static NSMutableDictionary *shared = nil;
static dispatch_once_t onceToken;
dispatch_once(&onceToken, ^{
shared = [NSMutableDictionary dictionary];
});
return shared;
}
+ (void)registerGlobalShortcutWithUserDefaultsKey:(NSString *)userDefaultsKey handler:(void (^)())handler;
{
MASShortcutUserDefaultsHotKey *hotKey = [[MASShortcutUserDefaultsHotKey alloc] initWithUserDefaultsKey:userDefaultsKey handler:handler];
[[self registeredUserDefaultsHotKeys] setObject:hotKey forKey:userDefaultsKey];
}
+ (void)unregisterGlobalShortcutWithUserDefaultsKey:(NSString *)userDefaultsKey
{
NSMutableDictionary *registeredHotKeys = [self registeredUserDefaultsHotKeys];
[registeredHotKeys removeObjectForKey:userDefaultsKey];
}
@end
#pragma mark -
@implementation MASShortcutUserDefaultsHotKey
@synthesize monitor = _monitor;
@synthesize handler = _handler;
@synthesize userDefaultsKey = _userDefaultsKey;
#pragma mark -
- (id)initWithUserDefaultsKey:(NSString *)userDefaultsKey handler:(void (^)())handler
{
self = [super init];
if (self) {
_userDefaultsKey = userDefaultsKey.copy;
_handler = [handler copy];
[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(userDefaultsDidChange:)
name:NSUserDefaultsDidChangeNotification object:[NSUserDefaults standardUserDefaults]];
[self installHotKeyFromUserDefaults];
}
return self;
}
- (void)dealloc
{
[[NSNotificationCenter defaultCenter] removeObserver:self name:NSUserDefaultsDidChangeNotification object:[NSUserDefaults standardUserDefaults]];
[MASShortcut removeGlobalHotkeyMonitor:self.monitor];
}
#pragma mark -
- (void)userDefaultsDidChange:(NSNotification *)note
{
[MASShortcut removeGlobalHotkeyMonitor:self.monitor];
[self installHotKeyFromUserDefaults];
}
- (void)installHotKeyFromUserDefaults
{
NSData *data = [[NSUserDefaults standardUserDefaults] dataForKey:_userDefaultsKey];
MASShortcut *shortcut = [MASShortcut shortcutWithData:data];
if (shortcut == nil) return;
self.monitor = [MASShortcut addGlobalHotkeyMonitorWithShortcut:shortcut handler:self.handler];
}
@end
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