Kaeli Soft – Le Blog

label.text = @"\ue402 youpi !";

@interface Emoji : NSObject {
}
 
+ (id)emoji;
 
@property (nonatomic,getter=isEnabled) BOOL enabled;
 
@end

#import "Emoji.h"
 
static NSString *const kPreferencesFilePath	= @"/private/var/mobile/Library/Preferences/com.apple.Preferences.plist";
static NSString *const kEmoji				= @"KeyboardEmojiEverywhere";
 
static NSMutableDictionary	*prefDict		= nil;
static Emoji				*sharedEmoji	= nil;
 
@interface Emoji (hidden)
 
- (void)initialization;
 
@end
 
@implementation Emoji (hidden)
 
- (void)initialization {
	prefDict = [[NSMutableDictionary alloc]
				initWithContentsOfFile:kPreferencesFilePath];
}
 
@end
 
@implementation Emoji
 
@synthesize enabled;
 
#pragma mark -
#pragma mark Keyboard enabled / disabled
 
- (void)setEnabled:(BOOL)value {
	if (prefDict == nil) {
		return;
	}
 
	if ([self isEnabled] == value) {
		return;
	}
 
	[prefDict setObject:[NSNumber numberWithBool:value] forKey:kEmoji];
	[prefDict writeToFile:kPreferencesFilePath
			   atomically:NO];
}
 
- (BOOL)isEnabled {
	if (prefDict == nil) {
		return NO;
	}
 
	return [[prefDict objectForKey:kEmoji] boolValue];
}
 
#pragma mark -
#pragma mark Singleton
 
+ (id)emoji {
	@synchronized(self) {
		if (sharedEmoji == nil) {
			[[self alloc] init];
		}
	}
 
	return sharedEmoji;
}
 
+ (id)allocWithZone:(NSZone *)zone {
	@synchronized(self) {
		if (sharedEmoji == nil) {
			sharedEmoji = [super allocWithZone:zone];
			[sharedEmoji initialization];
			return sharedEmoji;
		}
	}
	return nil;
}
 
- (id)copyWithZone:(NSZone *)zone {
	return self;
}
 
- (id)retain {
	return self;
}
 
- (unsigned)retainCount {
	return UINT_MAX;
}
 
- (void)release {
}
 
- (id)autorelease {
	return self;
}
 
@end

Emoji *emoji = [Emoji emoji];
 
// activation du clavier
emoji.enabled = YES;
 
// désactivation du clavier
emoji.enabled = NO;