//
//  KWMLoadingView.m
//  iCemarose
//
//  Created by 陈荣科 on 2016/11/17.
//  Copyright © 2016年 kollway. All rights reserved.
//

#import "KWMLoadingView.h"

@implementation KWMLoadingView

- (instancetype)init{
    if (self = [super init]) {
        [self initContentView];
    }
    return self;
}

- (instancetype)initWithCoder:(NSCoder *)aDecoder{
    if (self = [super initWithCoder:aDecoder]) {
        [self initContentView];
    }
    return self;
}

- (instancetype)initWithFrame:(CGRect)frame{
    if (self = [super initWithFrame:frame]) {
        [self initContentView];
    }
    return self;
}

- (void)awakeFromNib{
    [super awakeFromNib];
    [self initContentView];
}

- (void)initContentView{
    [[NSBundle mainBundle] loadNibNamed:@"KWMLoadingView" owner:self options:nil];
    
    _vContent.frame = CGRectMake(0, 0, self.frame.size.width, self.frame.size.height);
    [self addSubview:_vContent];
}

- (void)startAnimation{
    CABasicAnimation* rotationAnimation;
    rotationAnimation = [CABasicAnimation animationWithKeyPath:@"transform.rotation.z"];
    rotationAnimation.toValue = [NSNumber numberWithFloat: M_PI * 2.0 ];
    rotationAnimation.duration = 0.75;
    rotationAnimation.cumulative = YES;
    rotationAnimation.repeatCount = CGFLOAT_MAX;
    
    [self.ivLoading.layer addAnimation:rotationAnimation forKey:@"rotationAnimation"];
}

- (void)stopAnimation{
    NSLog(@"停止动画");
    //[_customView.layer removeAllAnimations];
    [self pauseLayer:_ivLoading.layer];
    
}

//暂停
- (void)pauseLayer:(CALayer*)layer{
    CFTimeInterval pausedTime = [layer convertTime:CACurrentMediaTime() fromLayer:nil];
    layer.speed = 0.0;
    layer.timeOffset = pausedTime;
}

//恢复
- (void)resumeLayer:(CALayer*)layer{
    CFTimeInterval pausedTime = [layer timeOffset];
    layer.speed = 1.0;
    layer.timeOffset = 0.0;
    layer.beginTime = 0.0;
    CFTimeInterval timeSincePause = [layer convertTime:CACurrentMediaTime() fromLayer:nil] - pausedTime;
    layer.beginTime = timeSincePause;
}

@end