61 lines
1.8 KiB
Mathematica
61 lines
1.8 KiB
Mathematica
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#import "TimerJSExport.h"
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@implementation TimerJS
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- (NSString *)setTimeout:(JSValue *)args {
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JSValue *callback = [args callWithArguments:@[@0]];
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double ms = [[args callWithArguments:@[@1]] toDouble];
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return [self createTimer:callback inteval:ms repeats:NO];
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}
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- (void)clearInterval:(NSString *)id {
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NSTimer *timer = [_timers objectForKey:id];
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if(timer != nil) {
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[timer invalidate];
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}
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}
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- (NSString *)setInterval:(JSValue *)args {
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JSValue *callback = [args callWithArguments:@[@0]];
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double ms = [[args callWithArguments:@[@1]] toDouble];
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return [self createTimer:callback inteval:ms repeats:YES];
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}
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- (NSString *)createTimer:(JSValue *)callback
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inteval:(double)ms
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repeats:(BOOL)repeats {
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if (_timers == nil) {
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_timers = [NSMutableDictionary dictionaryWithCapacity:1];
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}
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double interval = ms/1000.0;
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NSString *uuid = [[NSUUID UUID] UUIDString];
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dispatch_async( dispatch_get_main_queue(), ^{
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NSTimer *timer = [NSTimer scheduledTimerWithTimeInterval:interval
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repeats:repeats
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block:^(NSTimer * _Nonnull timer) {
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[callback callWithArguments:nil]; }];
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[_timers setObject:timer forKey:uuid];
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});
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return uuid;
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}
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- (void)addToContext:(JSContext *)context {
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[context setObject:self forKeyedSubscript:@"jsTimer"];
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}
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- (void)stopTimers {
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NSArray *keys = [_timers allKeys];
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for (NSString *key in keys) {
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NSTimer *timer = [_timers valueForKey:key];
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[timer invalidate];
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[_timers removeObjectForKey:key];
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}
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}
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@end
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