GCDTimer.m

//
//  GCDTimer.m
//  GCD
//
//  http://home.cnblogs.com/u/YouXianMing/
//  https://github.com/YouXianMing
//
//  Created by XianMingYou on 15/3/15.
//  Copyright (c) 2015年 XianMingYou. All rights reserved.
//

#import "GCDTimer.h"
#import "GCDQueue.h"

@interface GCDTimer ()
@property (strong, readwrite, nonatomic) dispatch_source_t dispatchSource;
@end

@implementation GCDTimer

- (instancetype)init
{
    self = [super init];
    if (self) {
        self.dispatchSource = \
        dispatch_source_create(DISPATCH_SOURCE_TYPE_TIMER, 0, 0, dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0));
    }
    return self;
}

- (instancetype)initInQueue:(GCDQueue *)queue {
    self = [super init];
    if (self) {
        self.dispatchSource = \
        dispatch_source_create(DISPATCH_SOURCE_TYPE_TIMER, 0, 0, queue.dispatchQueue);
    }
    return self;
}

- (void)event:(dispatch_block_t)block timeInterval:(uint64_t)interval {
    dispatch_source_set_timer(self.dispatchSource,
                              dispatch_time(DISPATCH_TIME_NOW, 0),
                              interval,
                              0);
    
    dispatch_source_set_event_handler(self.dispatchSource, ^{
        block();
    });
}

- (void)start {
    dispatch_resume(self.dispatchSource);
}

- (void)destroy {
    dispatch_source_cancel(self.dispatchSource);
}

@end