LocalNotifications/MKLocalNotificationsScheduler.m at master · bharat-madept/LocalNotifications · GitHub

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//
//  MKLocalNotificationsScheduler.m
//  LocalNotifs
//
//  Created by Mugunth Kumar on 9-Aug-10.
//  Copyright 2010 Steinlogic. All rights reserved.
//	File created using Singleton XCode Template by Mugunth Kumar (http://mugunthkumar.com
//  Permission granted to do anything, commercial/non-commercial with this file apart from removing the line/URL above

#import "MKLocalNotificationsScheduler.h"


static MKLocalNotificationsScheduler *_instance;
@implementation MKLocalNotificationsScheduler

@synthesize badgeCount = _badgeCount;
+ (MKLocalNotificationsScheduler*)sharedInstance
{
	@synchronized(self) {

        if (_instance == nil) {

			// iOS 4 compatibility check
			Class notificationClass = NSClassFromString(@"UILocalNotification");

			if(notificationClass == nil)
			{
				_instance = nil;
			}
			else
			{
				_instance = [[super allocWithZone:NULL] init];
				_instance.badgeCount = 0;
			}
        }
    }
    return _instance;
}


#pragma mark Singleton Methods

+ (id)allocWithZone:(NSZone *)zone
{
   return [[self sharedInstance] retain];
}


- (id)copyWithZone:(NSZone *)zone
{
    return self;
}

- (id)retain
{
    return self;
}

- (unsigned)retainCount
{
    return NSUIntegerMax;  //denotes an object that cannot be released
}

- (void)release
{
    //do nothing
}

- (id)autorelease
{
    return self;
}


- (void) scheduleNotificationOn:(NSDate*) fireDate
								text:(NSString*) alertText
								action:(NSString*) alertAction
								 sound:(NSString*) soundfileName
						   launchImage:(NSString*) launchImage
							   andInfo:(NSDictionary*) userInfo


{
	UILocalNotification *localNotification = [[UILocalNotification alloc] init];
    localNotification.fireDate = fireDate;
    localNotification.timeZone = [NSTimeZone defaultTimeZone];

    localNotification.alertBody = alertText;
    localNotification.alertAction = alertAction;

	if(soundfileName == nil)
	{
		localNotification.soundName = UILocalNotificationDefaultSoundName;
	}
	else
	{
		localNotification.soundName = soundfileName;
	}

	localNotification.alertLaunchImage = launchImage;

	self.badgeCount ++;
    localNotification.applicationIconBadgeNumber = self.badgeCount;
    localNotification.userInfo = userInfo;

	// Schedule it with the app
    [[UIApplication sharedApplication] scheduleLocalNotification:localNotification];
    [localNotification release];
}

- (void) clearBadgeCount
{
	self.badgeCount = 0;
	[UIApplication sharedApplication].applicationIconBadgeNumber = self.badgeCount;
}

- (void) decreaseBadgeCountBy:(int) count
{
	self.badgeCount -= count;
	if(self.badgeCount < 0) self.badgeCount = 0;

	[UIApplication sharedApplication].applicationIconBadgeNumber = self.badgeCount;
}

- (void) handleReceivedNotification:(UILocalNotification*) thisNotification
{
	NSLog(@"Received: %@",[thisNotification description]);
	[self decreaseBadgeCountBy:1];
}

@end