114 lines
4.2 KiB
Swift
114 lines
4.2 KiB
Swift
//
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// MVMCoreUITopAlertView+Extension.swift
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// MVMCoreUI
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//
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// Created by Scott Pfeil on 9/11/20.
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// Copyright © 2020 Verizon Wireless. All rights reserved.
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//
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import Foundation
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import MVMCore
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/// A simple container view that shows and hides a notification.
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public class NotificationContainerView: UIView {
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public var currentModel: NotificationModel?
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public var currentNotificationView: UIView?
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lazy private var height = heightAnchor.constraint(equalToConstant: 0)
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public init() {
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super.init(frame: .zero)
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setupView()
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}
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required init?(coder: NSCoder) {
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super.init(coder: coder)
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setupView()
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}
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/// Posts a layout change with taking the arguments from the view following the AccessibilityProtocol.
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private func updateAccessibilityForTopAlert(_ view: UIView) {
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// Update accessibility with top alert
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var accessibilityArgument: Any? = view
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if let view = view as? AccessibilityProtocol {
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accessibilityArgument = view.getAccessibilityLayoutChangedArgument()
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}
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UIAccessibility.post(notification: .layoutChanged, argument: accessibilityArgument)
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}
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}
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extension NotificationContainerView: NotificationTransitionDelegateProtocol {
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@MainActor
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public func show(notification: UIView) async {
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currentNotificationView?.removeFromSuperview()
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addSubview(notification)
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NSLayoutConstraint.constraintPinSubview(toSuperview: notification)
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currentNotificationView = notification
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if let conformer = notification as? MVMCoreViewProtocol {
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conformer.updateView(bounds.width)
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}
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superview?.layoutIfNeeded()
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await withCheckedContinuation { continuation in
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UIView.animate(withDuration: 0.5) {
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self.height.isActive = false
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self.superview?.layoutIfNeeded()
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} completion: { finished in
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self.superview?.layoutIfNeeded()
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self.updateAccessibilityForTopAlert(notification)
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continuation.resume()
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}
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}
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}
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@MainActor
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public func hide(notification: UIView) async {
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// accessibility - below line added to notify VI user through voiceover user when the top alert is closed
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UIAccessibility.post(notification: .screenChanged, argument: MVMCoreUIUtility.hardcodedString(withKey: "AccTopAlertClosed"))
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await withCheckedContinuation { continuation in
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UIView.animate(withDuration: 0.5) {
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self.height.isActive = true
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self.superview?.layoutIfNeeded()
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} completion: { finished in
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UIAccessibility.post(notification: .layoutChanged, argument: nil)
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self.currentNotificationView?.removeFromSuperview()
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self.currentNotificationView = nil
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continuation.resume()
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}
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}
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}
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@MainActor
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public func update(with model: NotificationModel, delegateObject: MVMCoreUIDelegateObject?) {
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guard let currentModel = currentModel,
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currentModel.type == model.type else { return }
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guard let molecule = currentNotificationView as? MoleculeViewProtocol,
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currentModel.molecule.moleculeName == model.molecule.moleculeName else {
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// Log that we couldn't update.
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if let errorObject = MVMCoreErrorObject(title: nil, message: nil, messageToLog: nil, code: ErrorCode.parsingJSON.rawValue, domain: ErrorDomainNative, location: "TopNotification update \(String(describing: model.type))") {
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MVMCoreUILoggingHandler.addError(toLog: errorObject)
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}
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return
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}
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// Update molecule
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molecule.reset()
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molecule.set(with: model.molecule, delegateObject, nil)
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(molecule as? MVMCoreViewProtocol)?.updateView(self.bounds.width)
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}
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}
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extension NotificationContainerView: MVMCoreViewProtocol {
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public func updateView(_ size: CGFloat) {
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(currentNotificationView as? MVMCoreViewProtocol)?.updateView(size)
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}
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public func setupView() {
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translatesAutoresizingMaskIntoConstraints = false
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clipsToBounds = true
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height.isActive = true
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}
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}
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