mirror of
https://github.com/copyrighttxt/watrbx-game-engine.git
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82 lines
1.8 KiB
Objective-C
82 lines
1.8 KiB
Objective-C
//
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// RBActivityIndicatorView.m
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// RobloxMobile
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//
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// Created by Ariel Lichtin on 8/26/14.
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// Copyright (c) 2014 ROBLOX. All rights reserved.
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//
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#import "RBActivityIndicatorView.h"
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#import <UIKit/UIKit.h>
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#define SPINNER_ICON_FRAME CGRectMake(0, 0, 32, 32)
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@implementation RBActivityIndicatorView
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{
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UIImageView* _imageView;
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}
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- (id)initWithFrame:(CGRect)frame
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{
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if (frame.size.width == 0 && frame.size.height == 0) {
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frame = SPINNER_ICON_FRAME;
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}
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self = [super initWithFrame:frame];
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if (self)
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{
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[self initUI];
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}
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return self;
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}
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- (id)initWithCoder:(NSCoder *)aDecoder
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{
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self = [super initWithCoder:aDecoder];
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if (self)
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{
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[self initUI];
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}
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return self;
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}
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- (void) initUI
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{
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self.backgroundColor = [UIColor clearColor];
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UIImage* loadingIcon = [UIImage imageNamed:@"Loading Icon"];
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_imageView = [[UIImageView alloc] initWithImage:loadingIcon];
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_imageView.frame = self.bounds;
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_imageView.contentMode = UIViewContentModeCenter;
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[self addSubview:_imageView];
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self.hidden = YES;
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}
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-(void) startAnimating
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{
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self.hidden = NO;
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if(_imageView.layer.animationKeys.count == 0)
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{
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CABasicAnimation* rotationAnimation = [CABasicAnimation animationWithKeyPath:@"transform.rotation.z"];
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rotationAnimation.toValue = [NSNumber numberWithFloat: M_PI * 2.0 /* full rotation*/];
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rotationAnimation.duration = 1.0;
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rotationAnimation.cumulative = YES;
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rotationAnimation.repeatCount = HUGE_VALF;
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rotationAnimation.timingFunction = [CAMediaTimingFunction functionWithName:kCAMediaTimingFunctionLinear];
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[_imageView.layer addAnimation:rotationAnimation forKey:@"rotationAnimation"];
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}
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}
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-(void) stopAnimating
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{
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self.hidden = YES;
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[_imageView.layer removeAllAnimations];
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}
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@end
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