- Only allow one engine instance running at the moment
- When adding new map preview call to the queue, check
if previous map preview request has started, and if no,
remove it from queue. Could be harmful if you manage
to request previews for two widgets in less time than
needed to generate one.
//
// MNEValueTrackingSlider
//
// Copyright 2012 Michael Neuwert
// "You can use the code in your own project and modify it as you like."
// http://blog.neuwert-media.com/2012/04/customized-uislider-with-visual-value-tracking/
//
#import <Foundation/Foundation.h>
@class SliderValuePopupView;
@interface MNEValueTrackingSlider : UISlider {
SliderValuePopupView *valuePopupView;
NSString *textValue;
}
@property (nonatomic, readonly) CGRect thumbRect;
@property (nonatomic, retain) NSString *textValue;
@end