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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,21 @@ | ||
| // | ||
| // SGRenderTimer.h | ||
| // SGPlayer | ||
| // | ||
| // Created by Single on 2019/6/28. | ||
| // Copyright © 2019 single. All rights reserved. | ||
| // | ||
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| #import <Foundation/Foundation.h> | ||
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| @interface SGRenderTimer : NSObject | ||
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| - (instancetype)initWithHandler:(dispatch_block_t)handler; | ||
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| @property (nonatomic) NSTimeInterval timeInterval; | ||
| @property (nonatomic) BOOL paused; | ||
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| - (void)start; | ||
| - (void)stop; | ||
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| @end |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,83 @@ | ||
| // | ||
| // SGRenderTimer.m | ||
| // SGPlayer | ||
| // | ||
| // Created by Single on 2019/6/28. | ||
| // Copyright © 2019 single. All rights reserved. | ||
| // | ||
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| #import "SGRenderTimer.h" | ||
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| @interface SGRenderTimer () | ||
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| @property (nonatomic, copy) dispatch_block_t handler; | ||
| @property (nonatomic, strong) NSTimer *timer; | ||
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| @end | ||
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| @implementation SGRenderTimer | ||
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| - (instancetype)initWithHandler:(dispatch_block_t)handler | ||
| { | ||
| if (self = [super init]) { | ||
| self.handler = handler; | ||
| } | ||
| return self; | ||
| } | ||
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| - (void)dealloc | ||
| { | ||
| [self stop]; | ||
| } | ||
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| - (void)timerHandler | ||
| { | ||
| if (self.handler) { | ||
| self.handler(); | ||
| } | ||
| } | ||
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| - (void)setTimeInterval:(NSTimeInterval)timeInterval | ||
| { | ||
| if (self->_timeInterval != timeInterval) { | ||
| self->_timeInterval = timeInterval; | ||
| [self start]; | ||
| } | ||
| } | ||
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| - (void)setPaused:(BOOL)paused | ||
| { | ||
| if (self->_paused != paused) { | ||
| self->_paused = paused; | ||
| [self fire]; | ||
| } | ||
| } | ||
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| - (void)start | ||
| { | ||
| [self stop]; | ||
| self->_timer = [NSTimer timerWithTimeInterval:self->_timeInterval | ||
| target:self | ||
| selector:@selector(timerHandler) | ||
| userInfo:nil | ||
| repeats:YES]; | ||
| [[NSRunLoop mainRunLoop] addTimer:self->_timer | ||
| forMode:NSRunLoopCommonModes]; | ||
| [self fire]; | ||
| } | ||
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| - (void)stop | ||
| { | ||
| [self->_timer invalidate]; | ||
| self->_timer = nil; | ||
| } | ||
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| - (void)fire | ||
| { | ||
| self->_timer.fireDate = | ||
| self->_paused ? | ||
| [NSDate distantFuture] : | ||
| [NSDate distantPast]; | ||
| } | ||
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| @end |
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