93 lines
3.0 KiB
Swift
93 lines
3.0 KiB
Swift
//
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// EKBackgroundView.swift
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// SwiftEntryKit
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//
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// Created by Daniel Huri on 4/20/18.
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// Copyright (c) 2018 huri000@gmail.com. All rights reserved.
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//
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import UIKit
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final class EKBackgroundView: EKStyleView {
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struct Style {
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let background: EKAttributes.BackgroundStyle
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let displayMode: EKAttributes.DisplayMode
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}
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// MARK: Props
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private let visualEffectView: UIVisualEffectView
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private let imageView: UIImageView
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private let gradientView: GradientView
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// MARK: Setup
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init() {
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imageView = UIImageView()
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visualEffectView = UIVisualEffectView(effect: nil)
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gradientView = GradientView()
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super.init(frame: UIScreen.main.bounds)
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addSubview(imageView)
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imageView.contentMode = .scaleAspectFill
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imageView.fillSuperview()
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addSubview(visualEffectView)
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visualEffectView.fillSuperview()
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addSubview(gradientView)
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gradientView.fillSuperview()
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}
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required init?(coder aDecoder: NSCoder) {
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fatalError("init(coder:) has not been implemented")
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}
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// Background setter
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var style: Style! {
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didSet {
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guard let style = style else {
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return
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}
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var gradient: EKAttributes.BackgroundStyle.Gradient?
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var backgroundEffect: UIBlurEffect?
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var backgroundColor: UIColor = .clear
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var backgroundImage: UIImage?
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switch style.background {
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case .color(color: let color):
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backgroundColor = color.color(for: traitCollection,
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mode: style.displayMode)
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case .gradient(gradient: let value):
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gradient = value
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case .image(image: let image):
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backgroundImage = image
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case .visualEffect(style: let value):
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backgroundEffect = value.blurEffect(for: traitCollection,
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mode: style.displayMode)
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case .clear:
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break
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}
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gradientView.style = GradientView.Style(gradient: gradient,
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displayMode: style.displayMode)
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visualEffectView.effect = backgroundEffect
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layer.backgroundColor = backgroundColor.cgColor
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imageView.image = backgroundImage
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}
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}
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override func traitCollectionDidChange(_ previousTraitCollection: UITraitCollection?) {
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guard let style = style else { return }
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switch style.background {
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case .color(color: let color):
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layer.backgroundColor = color.color(for: traitCollection,
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mode: style.displayMode).cgColor
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case .visualEffect(style: let value):
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visualEffectView.effect = value.blurEffect(for: traitCollection,
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mode: style.displayMode)
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default:
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break
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}
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}
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}
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