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Pods/SwiftEntryKit/Source/MessageViews/EKPopUpMessageView.swift

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+//
+//  EKPopUpMessageView.swift
+//  SwiftEntryKit
+//
+//  Created by Daniel Huri on 4/20/18.
+//  Copyright (c) 2018 huri000@gmail.com. All rights reserved.
+//
+
+import UIKit
+
+final public class EKPopUpMessageView: UIView {
+
+    // MARK: - Properties
+    
+    private var imageView: UIImageView!
+    private let titleLabel = UILabel()
+    private let descriptionLabel = UILabel()
+    private let actionButton = UIButton()
+    
+    private let message: EKPopUpMessage
+    
+    // MARK: - Setup
+    
+    public init(with message: EKPopUpMessage) {
+        self.message = message
+        super.init(frame: UIScreen.main.bounds)
+        setupImageView()
+        setupTitleLabel()
+        setupDescriptionLabel()
+        setupActionButton()
+        setupInterfaceStyle()
+    }
+    
+    public required init?(coder aDecoder: NSCoder) {
+        fatalError("init(coder:) has not been implemented")
+    }
+    
+    private func setupImageView() {
+        guard let themeImage = message.themeImage else {
+            return
+        }
+        imageView = UIImageView()
+        addSubview(imageView)
+        imageView.layoutToSuperview(.centerX)
+        switch themeImage.position {
+        case .centerToTop(offset: let value):
+            imageView.layout(.centerY, to: .top, of: self, offset: value)
+        case .topToTop(offset: let value):
+            imageView.layoutToSuperview(.top, offset: value)
+        }
+        imageView.imageContent = themeImage.image
+    }
+    
+    private func setupTitleLabel() {
+        addSubview(titleLabel)
+        titleLabel.content = message.title
+        titleLabel.layoutToSuperview(axis: .horizontally, offset: 30)
+        if let imageView = imageView {
+            titleLabel.layout(.top, to: .bottom, of: imageView, offset: 20)
+        } else {
+            titleLabel.layoutToSuperview(.top, offset: 20)
+        }
+        titleLabel.forceContentWrap(.vertically)
+    }
+    
+    private func setupDescriptionLabel() {
+        addSubview(descriptionLabel)
+        descriptionLabel.content = message.description
+        descriptionLabel.layoutToSuperview(axis: .horizontally, offset: 30)
+        descriptionLabel.layout(.top, to: .bottom, of: titleLabel, offset: 16)
+        descriptionLabel.forceContentWrap(.vertically)
+    }
+    
+    private func setupActionButton() {
+        addSubview(actionButton)
+        let height: CGFloat = 45
+        actionButton.set(.height, of: height)
+        actionButton.layout(.top, to: .bottom, of: descriptionLabel, offset: 30)
+        actionButton.layoutToSuperview(.bottom, offset: -30)
+        actionButton.layoutToSuperview(.centerX)
+        
+        let buttonAttributes = message.button
+        actionButton.buttonContent = buttonAttributes
+        actionButton.contentEdgeInsets = UIEdgeInsets(top: 0, left: 30, bottom: 0, right: 30)
+        actionButton.layer.cornerRadius = height * 0.5
+        actionButton.addTarget(self, action: #selector(actionButtonPressed), for: .touchUpInside)
+    }
+    
+    private func setupInterfaceStyle() {
+        titleLabel.textColor = message.title.style.color(for: traitCollection)
+        imageView?.tintColor = message.themeImage?.image.tintColor(for: traitCollection)
+        let tapColor = message.button.highlighedLabelColor(for: traitCollection)
+        actionButton.setTitleColor(tapColor, for: .highlighted)
+        actionButton.setTitleColor(tapColor, for: .selected)
+    }
+    
+    public override func traitCollectionDidChange(_ previousTraitCollection: UITraitCollection?) {
+        setupInterfaceStyle()
+    }
+    
+    // MARK: - User Interaction
+    
+    @objc func actionButtonPressed() {
+        message.action()
+    }
+}