1 files changed, 79 insertions, 0 deletions
diff --git a/SmartDeviceLink/SDLTimer.m b/SmartDeviceLink/SDLTimer.m
new file mode 100644
index 000000000..84ee6e24b
--- /dev/null
+++ b/SmartDeviceLink/SDLTimer.m
@@ -0,0 +1,79 @@
+//
+//  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