//
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// EKAttributes+StatusBar.swift
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// SwiftEntryKit
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//
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// Created by Daniel Huri on 5/25/18.
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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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public extension EKAttributes {
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/** Status bar appearance */
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enum StatusBar {
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/** The appearance of the status bar */
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public typealias Appearance = (visible: Bool, style: UIStatusBarStyle)
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/** Ignored. Status bar is ignored by entries with this apperance value*/
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case ignored
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/** Hidden. Doesn't apply to iPhone X */
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case hidden
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/** Visible with explicit dark style */
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case dark
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/** Visible with explicit light style */
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case light
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/** Keep previous state of status bar.
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In case there is an already displayed entry, keep its status bar appearance.
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In case the app is already displaying a status bar, keep its appearance */
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case inferred
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/** Returns the status bar appearance.
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Note: See *Appearance* */
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public var appearance: Appearance {
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switch self {
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case .dark:
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if #available(iOS 13, *) {
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return (true, .darkContent)
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} else {
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return (true, .default)
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}
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case .light:
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return (true, .lightContent)
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case .inferred:
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return StatusBar.currentAppearance
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case .hidden:
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return (false, StatusBar.currentStyle)
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case .ignored:
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fatalError("There is no defined appearance for an ignored status bar")
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}
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}
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/** Returns the status bar according to a given appearance */
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public static func statusBar(by appearance: Appearance) -> StatusBar {
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guard appearance.visible else {
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return .hidden
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}
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switch appearance.style {
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case .lightContent:
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return .light
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default:
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return .dark
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}
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}
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/** Returns the current appearance */
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public static var currentAppearance: Appearance {
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return (StatusBar.isCurrentVisible, StatusBar.currentStyle)
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}
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/** Returns the current status bar */
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public static var currentStatusBar: StatusBar {
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return statusBar(by: currentAppearance)
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}
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// Accessors
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// TODO: Use `statusBarManager` of the window scene on iOS 13
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private static var currentStyle: UIStatusBarStyle {
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return UIApplication.shared.statusBarStyle
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}
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// TODO: Use `statusBarManager` of the window scene on iOS 13
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private static var isCurrentVisible: Bool {
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return !UIApplication.shared.isStatusBarHidden
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}
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}
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}
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