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//
// SDLTimer.m
//
#import "SDLTimer.h"
@interface SDLTimer ()
@property (strong) NSTimer *timer;
@property (assign) BOOL timerRunning;
@property (nonatomic) BOOL repeat;
@end
@implementation SDLTimer
- (instancetype)init {
if (self = [super init]) {
_duration = 0;
_timerRunning = NO;
}
return self;
}
- (instancetype)initWithDuration:(float)duration {
return [self initWithDuration:duration repeat:NO];
}
- (instancetype)initWithDuration:(float)duration repeat:(BOOL)repeat {
self = [super init];
if (self) {
_duration = duration;
_repeat = repeat;
_timerRunning = NO;
}
return self;
}
- (void)start {
if (self.duration > 0) {
[self stopAndDestroyTimer];
self.timer = [NSTimer timerWithTimeInterval:self.duration target:self selector:@selector(timerElapsed) userInfo:nil repeats:self.repeat];
[[NSRunLoop mainRunLoop] addTimer:self.timer forMode:NSRunLoopCommonModes];
self.timerRunning = YES;
}
}
- (void)cancel {
[self stopAndDestroyTimer];
if (self.timerRunning && self.canceledBlock != nil) {
self.timerRunning = NO;
self.canceledBlock();
}
self.timerRunning = NO;
}
- (void)timerElapsed {
if (self.repeat == NO) {
[self stopAndDestroyTimer];
self.timerRunning = NO;
}
if (self.elapsedBlock != nil) {
self.elapsedBlock();
}
}
- (void)stopAndDestroyTimer {
if (self.timer != nil) {
[self.timer invalidate];
self.timer = nil;
}
}
- (void)dealloc {
[self cancel];
}
@end
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