//
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// EKEntryView.swift
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// SwiftEntryKit
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//
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// Created by Daniel Huri on 4/15/18.
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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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import QuickLayout
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class EKEntryView: EKStyleView {
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struct Content {
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var viewController: UIViewController!
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var view: UIView!
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var attributes: EKAttributes
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init(viewController: UIViewController, attributes: EKAttributes) {
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self.viewController = viewController
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self.view = viewController.view
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self.attributes = attributes
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}
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init(view: UIView, attributes: EKAttributes) {
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self.view = view
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self.attributes = attributes
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}
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}
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// MARK: Props
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/** Background view */
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private var backgroundView: EKBackgroundView!
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/** The content - contains the view, view controller, attributes */
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var content: Content
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private lazy var contentView: UIView = {
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return UIView()
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}()
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var attributes: EKAttributes {
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return content.attributes
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}
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private lazy var contentContainerView: EKStyleView = {
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let contentContainerView = EKStyleView()
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self.addSubview(contentContainerView)
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contentContainerView.layoutToSuperview(axis: .vertically)
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contentContainerView.layoutToSuperview(axis: .horizontally)
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contentContainerView.clipsToBounds = true
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return contentContainerView
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}()
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// MARK: Setup
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init(newEntry content: Content) {
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self.content = content
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super.init(frame: UIScreen.main.bounds)
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setupContentView()
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applyDropShadow()
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applyBackgroundToContentView()
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applyFrameStyle()
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adjustInnerContentAppearanceIfNeeded()
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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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override func layoutSubviews() {
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super.layoutSubviews()
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applyFrameStyle()
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}
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func transform(to view: UIView) {
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let previousView = content.view
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content.view = view
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view.layoutIfNeeded()
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let previousHeight = set(.height, of: frame.height, priority: .must)
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let nextHeight = set(.height, of: view.frame.height, priority: .defaultLow)
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SwiftEntryKit.layoutIfNeeded()
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UIView.animate(withDuration: 0.4, delay: 0, usingSpringWithDamping: 1, initialSpringVelocity: 0, options: [.beginFromCurrentState, .layoutSubviews], animations: {
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previousHeight.priority = .defaultLow
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nextHeight.priority = .must
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previousView!.alpha = 0
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SwiftEntryKit.layoutIfNeeded()
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}, completion: { (finished) in
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view.alpha = 0
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previousView!.removeFromSuperview()
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self.removeConstraints([previousHeight, nextHeight])
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self.setupContentView()
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UIView.animate(withDuration: 0.4, delay: 0, usingSpringWithDamping: 1, initialSpringVelocity: 0, options: [.curveEaseOut], animations: {
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view.alpha = 1
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}, completion: nil)
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})
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}
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private func setupContentView() {
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contentView.addSubview(content.view)
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content.view.layoutToSuperview(axis: .horizontally)
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content.view.layoutToSuperview(axis: .vertically)
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contentContainerView.addSubview(contentView)
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contentView.fillSuperview()
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contentView.layoutToSuperview(axis: .vertically)
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contentView.layoutToSuperview(axis: .horizontally)
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}
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// Complementary logic for issue #117
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private func adjustInnerContentAppearanceIfNeeded() {
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guard let view = content.view as? EntryAppearanceDescriptor else {
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return
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}
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view.bottomCornerRadius = attributes.roundCorners.cornerValues?.radius ?? 0
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}
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// Apply round corners
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private func applyFrameStyle() {
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backgroundView.applyFrameStyle(roundCorners: attributes.roundCorners, border: attributes.border)
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}
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// Apply drop shadow
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private func applyDropShadow() {
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switch attributes.shadow {
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case .active(with: let value):
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applyDropShadow(withOffset: value.offset,
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opacity: value.opacity,
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radius: value.radius,
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color: value.color.color(for: traitCollection, mode: attributes.displayMode))
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case .none:
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removeDropShadow()
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}
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}
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// Apply background
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private func applyBackgroundToContentView() {
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let attributes = content.attributes
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let backgroundView = EKBackgroundView()
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backgroundView.style = .init(background: attributes.entryBackground,
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displayMode: attributes.displayMode)
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switch attributes.positionConstraints.safeArea {
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case .empty(fillSafeArea: let fillSafeArea) where fillSafeArea: // Safe area filled with color
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insertSubview(backgroundView, at: 0)
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backgroundView.layoutToSuperview(axis: .horizontally)
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var topInset: CGFloat = 0
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var bottomInset: CGFloat = 0
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switch attributes.position {
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case .top:
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topInset = -EKWindowProvider.safeAreaInsets.top
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case .bottom, .center:
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bottomInset = EKWindowProvider.safeAreaInsets.bottom
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}
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backgroundView.layoutToSuperview(.top, offset: topInset)
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backgroundView.layoutToSuperview(.bottom, offset: bottomInset)
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default: // Float case or a Toast with unfilled safe area
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contentView.insertSubview(backgroundView, at: 0)
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backgroundView.fillSuperview()
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}
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self.backgroundView = backgroundView
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}
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override func traitCollectionDidChange(_ previousTraitCollection: UITraitCollection?) {
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applyDropShadow()
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}
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}
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