Juraldinio
85 lines
3.0 KiB
Swift
85 lines
3.0 KiB
Swift
//
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// CommonKeyboard.swift
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// Wallet
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//
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// Created by Igor on 23.03.2021.
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// Copyright © 2021 AM. All rights reserved.
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//
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import UIKit
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public struct KeyboardInfo {
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public let frameBegin: CGRect
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public let frameEnd: CGRect
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public let isLocal: Bool
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public let animationCurve: Int
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public let duration: TimeInterval
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}
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public extension KeyboardInfo {
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init(notification: Notification) {
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frameBegin = (notification.userInfo?[UIResponder.keyboardFrameBeginUserInfoKey] as? NSValue)?.cgRectValue ?? CGRect.zero
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frameEnd = (notification.userInfo?[UIResponder.keyboardFrameEndUserInfoKey] as? NSValue)?.cgRectValue ?? CGRect.zero
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isLocal = (notification.userInfo?[UIResponder.keyboardIsLocalUserInfoKey] as? Bool) ?? true
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animationCurve = (notification.userInfo?[UIResponder.keyboardAnimationCurveUserInfoKey] as? Int) ?? 0
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duration = (notification.userInfo?[UIResponder.keyboardAnimationDurationUserInfoKey] as? TimeInterval) ?? 0
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}
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}
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enum KeyboardConnectionType: String {
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case willShow
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case didShow
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case willHide
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case didHide
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case willChangeFrame
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case didChangeFrame
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fileprivate var notification: NSNotification.Name {
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([
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.willShow: UIResponder.keyboardWillShowNotification,
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.didShow: UIResponder.keyboardDidShowNotification,
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.willHide: UIResponder.keyboardWillHideNotification,
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.didHide: UIResponder.keyboardDidHideNotification,
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.willChangeFrame: UIResponder.keyboardWillChangeFrameNotification,
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.didChangeFrame: UIResponder.keyboardDidChangeFrameNotification
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] as [KeyboardConnectionType: NSNotification.Name])[self]!
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}
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}
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extension UIViewController {
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private struct Keyboard {
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static var values = "values"
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}
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private var keyboard: [KeyboardConnectionType: AnyObject]? {
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get { Common.Runtime.object(self, key: &Keyboard.values) }
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set { Common.Runtime.set(self, value: newValue, key: &Keyboard.values) }
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}
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func connectKeyboard(action: KeyboardConnectionType, _ handler: ((KeyboardInfo) -> Void)?) {
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let value = Notification.subscribe(name: action.notification) { (ntf) in
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handler?(KeyboardInfo(notification: ntf))
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}
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if keyboard == nil {
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keyboard = [action: value]
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} else {
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keyboard?[action] = value
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}
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}
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func disconnectKeyboard() {
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disconnectKeyboard(action: .willShow)
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disconnectKeyboard(action: .willHide)
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disconnectKeyboard(action: .didShow)
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disconnectKeyboard(action: .didHide)
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disconnectKeyboard(action: .willChangeFrame)
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disconnectKeyboard(action: .didChangeFrame)
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}
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func disconnectKeyboard(action: KeyboardConnectionType) {
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guard let object = keyboard?[action] else { return }
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Notification.unsubscribe(observer: object)
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keyboard?.removeValue(forKey: action)
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}
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var appDelegate: AppDelegate {
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// swiftlint:disable force_cast
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return UIApplication.shared.delegate as! AppDelegate
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}
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}
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