gistfile1.txt

- (CAAnimationGroup*)makeSuccessIconAnimation
{
    CGFloat const animationDuration = 0.4;
    CAAnimationGroup *animation = [CAAnimationGroup animation];
    animation.delegate = self;
    [animation setValue:_successIconAnimationId forKey:_animationIdKeyName];
    
    CABasicAnimation *appearAnimation = [CABasicAnimation animationWithKeyPath:@"strokeEnd"];
    appearAnimation.fromValue = @0.0;
    appearAnimation.toValue = @1.0;
    appearAnimation.timingFunction = [CAMediaTimingFunction functionWithName:kCAMediaTimingFunctionEaseOut];
    appearAnimation.duration = animationDuration;
    appearAnimation.beginTime = 0.0;
    
    if (self.animationType != YTSValidationViewAnimationTypeSuccessWithGlasses) {
        animation.animations = @[appearAnimation];
        animation.duration = animationDuration;
        return animation;
    }
    
    CABasicAnimation *disappearMoveAnimation = [CABasicAnimation animationWithKeyPath:@"strokeStart"];
    disappearMoveAnimation.fromValue = @0.0;
    disappearMoveAnimation.toValue = @1.0;
    disappearMoveAnimation.timingFunction = [CAMediaTimingFunction functionWithName:kCAMediaTimingFunctionEaseOut];
    disappearMoveAnimation.duration = animationDuration;
    disappearMoveAnimation.beginTime = 0.8;
    
    CABasicAnimation *disappearFadeAnimation = [CABasicAnimation animationWithKeyPath:@"opacity"];
    disappearFadeAnimation.fromValue = @1.0;
    disappearFadeAnimation.toValue = @0.0;
    disappearFadeAnimation.timingFunction = [CAMediaTimingFunction functionWithName:kCAMediaTimingFunctionEaseOut];
    disappearFadeAnimation.duration = animationDuration;
    disappearFadeAnimation.beginTime = 0.8;
    
    animation.animations = @[appearAnimation, disappearMoveAnimation, disappearFadeAnimation];
    animation.duration = 1.2;
    
    return animation;
}

- (void)animationDidStop:(CAAnimation *)anim finished:(BOOL)flag
{
    NSString *id = [anim valueForKey:_animationIdKeyName];
    if (id == NULL) {
        return;
    }
    
    const CGFloat glassesShowDalay = 0.2f;
    
    if ([id isEqualToString:_successIconAnimationId] && self.animationType == YTSValidationViewAnimationTypeSuccessWithGlasses) {
        [self hideSuccessIcon];
        dispatch_after(dispatch_time(DISPATCH_TIME_NOW, (int64_t)(glassesShowDalay * NSEC_PER_SEC)), dispatch_get_main_queue(), ^{
            [self showGlasses];
        });
    }
}