bundesmessenger-ios/Riot/Modules/LaunchLoading/LaunchLoadingView.swift

/*
Copyright 2020 Vector Creations Ltd

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/

import UIKit
import Reusable

@objcMembers
final class LaunchLoadingView: UIView, NibLoadable, Themable {
    
    // MARK: - Constants
    
    private enum LaunchAnimation {
        static let duration: TimeInterval = 3.0
        static let repeatCount = Float.greatestFiniteMagnitude
    }
    
    // MARK: - Properties
    
    // bwi: for bum just rotate the bum image for now
    @IBOutlet private weak var animationView: UIImageView!
    private var animationTimeline: Timeline_1!
    
    // MARK: - Setup
    
    static func instantiate() -> LaunchLoadingView {
        let view = LaunchLoadingView.loadFromNib()
        return view
    }
    
    override func awakeFromNib() {
        super.awakeFromNib()
        
        self.animationView.image = Asset.Images.launchScreenLogo.image
        self.animationView.layer.cornerRadius = 50
        self.animationView.layer.masksToBounds = true
                
        /*
        let animationTimeline = Timeline_1(view: self.animationView, duration: LaunchAnimation.duration, repeatCount: LaunchAnimation.repeatCount)
        animationTimeline.play()
        self.animationTimeline = animationTimeline
         */
    }
    
    override func didMoveToSuperview() {
        super.didMoveToSuperview()
        
        let rotation: CABasicAnimation = CABasicAnimation(keyPath: "transform.rotation.z")
        rotation.toValue = NSNumber(value: Double.pi * 2)
        rotation.duration = 1
        rotation.isCumulative = true
        rotation.repeatCount = Float.greatestFiniteMagnitude
        self.animationView.layer.add(rotation, forKey: "rotationAnimation")
    }
    
    // MARK: - Public
    
    func update(theme: Theme) {
        self.backgroundColor = theme.backgroundColor
        self.animationView.backgroundColor = theme.backgroundColor
    }
}