Create your own NSNotification paradigm for passing specifically typed data
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//
// IMMotionUpdateNotification.h
//
#import <Foundation/Foundation.h>
#import "IMMotionData.h"
/**
Create superclass to strict type the object delivered
*/
@interface IMMotionUpdateNotification : NSNotification
- (IMMotionData *)object; //< Our payload.
@end
/**
Following NSNotifications header file...
*/
@interface IMMotionUpdateNotification (NSNotificationCreation)
+ (IMMotionUpdateNotification *)notificationWithName:(NSString *)aName object:(IMMotionData *)anObject;
+ (IMMotionUpdateNotification *)notificationWithName:(NSString *)aName object:(IMMotionData *)anObject userInfo:(NSDictionary *)aUserInfo;
@end
//
// IMMotionUpdateNotification.m
//
#import "IMMotionUpdateNotification.h"
@implementation IMMotionUpdateNotification
- (IMMotionData *)object
{
return [super object];
}
@end
@implementation IMMotionUpdateNotification (NSNotificationCreation)
+ (IMMotionUpdateNotification *)notificationWithName:(NSString *)aName object:(IMMotionData *)anObject
{
return [[self superclass] notificationWithName:aName object:anObject];
}
+ (IMMotionUpdateNotification *)notificationWithName:(NSString *)aName object:(IMMotionData *)anObject userInfo:(NSDictionary *)aUserInfo
{
return [[self superclass] notificationWithName:aName object:anObject userInfo:aUserInfo];
}
@end
//
// IMMotionUpdateNotification.h
//
#import <Foundation/Foundation.h>
#import "IMMotionData.h"
/**
Create superclass to strict type the object delivered
*/
@interface IMMotionUpdateNotification : NSNotification
- (IMMotionData *)object; //< Our payload.
@end
//
// IMMotionUpdateNotification.m
//
#import "IMMotionUpdateNotification.h"
@implementation IMMotionUpdateNotification
- (IMMotionData *)object
{
return [super object];
}
@end
//
// Usage
//
[IMMotionUpdateNotification notificationWithName:@"IMDidUpdateMotionData" object:[latestMotionData copy]]; |
