forked from shadowfacts/Tusker
Add toast system
This commit is contained in:
parent
ba0d179de5
commit
7f4bf52050
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@ -141,6 +141,9 @@
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D646C958213B367000269FB5 /* LargeImageShrinkAnimationController.swift in Sources */ = {isa = PBXBuildFile; fileRef = D646C957213B367000269FB5 /* LargeImageShrinkAnimationController.swift */; };
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D646C95A213B5D0500269FB5 /* LargeImageInteractionController.swift in Sources */ = {isa = PBXBuildFile; fileRef = D646C959213B5D0500269FB5 /* LargeImageInteractionController.swift */; };
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D647D92824257BEB0005044F /* AttachmentPreviewViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = D647D92724257BEB0005044F /* AttachmentPreviewViewController.swift */; };
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D64AAE9126C80DC600FC57FB /* ToastView.swift in Sources */ = {isa = PBXBuildFile; fileRef = D64AAE9026C80DC600FC57FB /* ToastView.swift */; };
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D64AAE9526C88C5000FC57FB /* ToastableViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = D64AAE9426C88C5000FC57FB /* ToastableViewController.swift */; };
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D64AAE9726C88DC400FC57FB /* ToastConfiguration.swift in Sources */ = {isa = PBXBuildFile; fileRef = D64AAE9626C88DC400FC57FB /* ToastConfiguration.swift */; };
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D64BC18623C1253A000D0238 /* AssetPreviewViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = D64BC18523C1253A000D0238 /* AssetPreviewViewController.swift */; };
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D64BC18823C1640A000D0238 /* PinStatusActivity.swift in Sources */ = {isa = PBXBuildFile; fileRef = D64BC18723C1640A000D0238 /* PinStatusActivity.swift */; };
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D64BC18A23C16487000D0238 /* UnpinStatusActivity.swift in Sources */ = {isa = PBXBuildFile; fileRef = D64BC18923C16487000D0238 /* UnpinStatusActivity.swift */; };
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@ -544,6 +547,9 @@
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D646C957213B367000269FB5 /* LargeImageShrinkAnimationController.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = LargeImageShrinkAnimationController.swift; sourceTree = "<group>"; };
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D646C959213B5D0500269FB5 /* LargeImageInteractionController.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = LargeImageInteractionController.swift; sourceTree = "<group>"; };
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D647D92724257BEB0005044F /* AttachmentPreviewViewController.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = AttachmentPreviewViewController.swift; sourceTree = "<group>"; };
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D64AAE9026C80DC600FC57FB /* ToastView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ToastView.swift; sourceTree = "<group>"; };
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D64AAE9426C88C5000FC57FB /* ToastableViewController.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ToastableViewController.swift; sourceTree = "<group>"; };
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D64AAE9626C88DC400FC57FB /* ToastConfiguration.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ToastConfiguration.swift; sourceTree = "<group>"; };
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D64BC18523C1253A000D0238 /* AssetPreviewViewController.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = AssetPreviewViewController.swift; sourceTree = "<group>"; };
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D64BC18723C1640A000D0238 /* PinStatusActivity.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = PinStatusActivity.swift; sourceTree = "<group>"; };
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D64BC18923C16487000D0238 /* UnpinStatusActivity.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = UnpinStatusActivity.swift; sourceTree = "<group>"; };
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@ -1263,6 +1269,16 @@
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path = Transitions;
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sourceTree = "<group>";
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};
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D64AAE8F26C80DB600FC57FB /* Toast */ = {
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isa = PBXGroup;
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children = (
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D64AAE9026C80DC600FC57FB /* ToastView.swift */,
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D64AAE9626C88DC400FC57FB /* ToastConfiguration.swift */,
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D64AAE9426C88C5000FC57FB /* ToastableViewController.swift */,
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);
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path = Toast;
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sourceTree = "<group>";
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};
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D65A37F221472F300087646E /* Frameworks */ = {
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isa = PBXGroup;
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children = (
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@ -1483,6 +1499,7 @@
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D623A53B2635F4E20095BD04 /* Poll */,
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D641C78B213DD92F004B4513 /* Profile Header */,
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D641C78A213DD926004B4513 /* Status */,
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D64AAE8F26C80DB600FC57FB /* Toast */,
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D6420AEB26BED17500ED8175 /* Timeline Description Cell */,
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);
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path = Views;
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@ -2067,6 +2084,7 @@
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D6A3BC8A2321F79B00FD64D5 /* AccountTableViewCell.swift in Sources */,
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D66A77BB233838DC0058F1EC /* UIFont+Traits.swift in Sources */,
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D68FEC4F232C5BC300C84F23 /* SegmentedPageViewController.swift in Sources */,
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D64AAE9126C80DC600FC57FB /* ToastView.swift in Sources */,
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D62275AA24F1E01C00B82A16 /* ComposeTextView.swift in Sources */,
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0450531F22B0097E00100BA2 /* Timline+UI.swift in Sources */,
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D667E5F52135BCD50057A976 /* ConversationTableViewController.swift in Sources */,
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@ -2148,6 +2166,7 @@
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D6DD353F22F502EC00A9563A /* Preferences+Notification.swift in Sources */,
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D6EAE0DB2550CC8A002DB0AC /* FocusableTextField.swift in Sources */,
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D623A53D2635F5590095BD04 /* StatusPollView.swift in Sources */,
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D64AAE9726C88DC400FC57FB /* ToastConfiguration.swift in Sources */,
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D6093FB025BE0B01004811E6 /* TrendingHashtagTableViewCell.swift in Sources */,
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D63661C02381C144004B9E16 /* PreferencesNavigationController.swift in Sources */,
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D6B053A223BD2C0600A066FA /* AssetPickerViewController.swift in Sources */,
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@ -2162,6 +2181,7 @@
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D6538945214D6D7500E3CEFC /* TableViewSwipeActionProvider.swift in Sources */,
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D6F0B17524A3A1AA001E48C3 /* MainSidebarViewController.swift in Sources */,
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D622757424EDF1CD00B82A16 /* ComposeAttachmentsList.swift in Sources */,
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D64AAE9526C88C5000FC57FB /* ToastableViewController.swift in Sources */,
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D6420AEE26BED18B00ED8175 /* PublicTimelineDescriptionTableViewCell.swift in Sources */,
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D6E0DC8E216EDF1E00369478 /* Previewing.swift in Sources */,
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D6BED174212667E900F02DA0 /* TimelineStatusTableViewCell.swift in Sources */,
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@ -0,0 +1,31 @@
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//
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// ToastConfiguration.swift
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// ToastConfiguration
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//
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// Created by Shadowfacts on 8/14/21.
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// Copyright © 2021 Shadowfacts. All rights reserved.
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//
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import UIKit
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struct ToastConfiguration {
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var systemImageName: String?
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var title: String
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var subtitle: String?
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var actionTitle: String?
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var action: ((ToastView) -> Void)?
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var edgeSpacing: CGFloat = 8
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var edge: Edge = .automatic
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var dismissOnScroll = true
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init(title: String) {
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self.title = title
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}
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enum Edge: Equatable {
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case top
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case bottom
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/// Determines edge based on the current device. Bottom on iPhone, top on iPad/Mac.
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case automatic
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}
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}
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@ -0,0 +1,223 @@
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//
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// ToastView.swift
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// ToastView
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//
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// Created by Shadowfacts on 8/14/21.
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// Copyright © 2021 Shadowfacts. All rights reserved.
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//
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import UIKit
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class ToastView: UIView {
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let configuration: ToastConfiguration
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private var shrinkAnimator: UIViewPropertyAnimator?
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private var recognizedGesture = false
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private var offscreenTranslation: CGFloat {
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var translation = bounds.height + configuration.edgeSpacing
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if configuration.edge == .bottom {
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translation += superview?.safeAreaInsets.bottom ?? 0
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} else {
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translation += superview?.safeAreaInsets.top ?? 0
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translation *= -1
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}
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return translation
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}
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init(configuration: ToastConfiguration) {
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precondition(configuration.edge != .automatic)
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self.configuration = configuration
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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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fatalError("init(coder:) has not been implemented")
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}
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private func setupView() {
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backgroundColor = .systemBlue
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layer.shadowColor = UIColor.black.cgColor
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layer.shadowRadius = 5
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layer.shadowOffset = CGSize(width: 0, height: 2.5)
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layer.shadowOpacity = 0.5
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layer.masksToBounds = false
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let stack = UIStackView()
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stack.translatesAutoresizingMaskIntoConstraints = false
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stack.axis = .horizontal
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stack.spacing = 8
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if let name = configuration.systemImageName {
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let imageView = UIImageView(image: UIImage(systemName: name))
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imageView.tintColor = .white
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imageView.contentMode = .scaleAspectFit
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stack.addArrangedSubview(imageView)
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}
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let titleLabel = UILabel()
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titleLabel.text = configuration.title
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titleLabel.textColor = .white
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titleLabel.font = .boldSystemFont(ofSize: 14)
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titleLabel.adjustsFontSizeToFitWidth = true
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if let subtitle = configuration.subtitle {
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let subtitleLabel = UILabel()
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subtitleLabel.text = subtitle
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subtitleLabel.textColor = .white
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subtitleLabel.numberOfLines = 0
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subtitleLabel.font = .systemFont(ofSize: 14)
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let vStack = UIStackView(arrangedSubviews: [
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titleLabel,
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subtitleLabel
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])
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vStack.axis = .vertical
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vStack.spacing = 4
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stack.addArrangedSubview(vStack)
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} else {
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stack.addArrangedSubview(titleLabel)
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}
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if let actionTitle = configuration.actionTitle {
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let actionLabel = UILabel()
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actionLabel.text = actionTitle
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actionLabel.font = .boldSystemFont(ofSize: 16)
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actionLabel.textColor = .white
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stack.addArrangedSubview(actionLabel)
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}
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addSubview(stack)
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NSLayoutConstraint.activate([
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stack.leadingAnchor.constraint(equalToSystemSpacingAfter: leadingAnchor, multiplier: 1),
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trailingAnchor.constraint(equalToSystemSpacingAfter: stack.trailingAnchor, multiplier: 1),
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stack.topAnchor.constraint(equalTo: topAnchor, constant: 4),
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stack.bottomAnchor.constraint(equalTo: bottomAnchor, constant: -4),
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])
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let pan = UIPanGestureRecognizer(target: self, action: #selector(panRecognized))
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addGestureRecognizer(pan)
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}
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override func layoutSubviews() {
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super.layoutSubviews()
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layer.cornerRadius = min(32, bounds.height / 2)
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layer.shadowPath = CGPath(roundedRect: bounds, cornerWidth: layer.cornerRadius, cornerHeight: layer.cornerRadius, transform: nil)
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}
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override func touchesBegan(_ touches: Set<UITouch>, with event: UIEvent?) {
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super.touchesBegan(touches, with: event)
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recognizedGesture = false
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shrinkAnimator = UIViewPropertyAnimator(duration: 0.1, curve: .easeInOut) {
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self.transform = CGAffineTransform(scaleX: 0.95, y: 0.95)
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}
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shrinkAnimator?.startAnimation(afterDelay: 0.1)
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}
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override func touchesEnded(_ touches: Set<UITouch>, with event: UIEvent?) {
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super.touchesEnded(touches, with: event)
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if !recognizedGesture {
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guard let shrinkAnimator = shrinkAnimator else {
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return
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}
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shrinkAnimator.stopAnimation(true)
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UIView.animate(withDuration: 0.1, delay: 0, options: .curveEaseInOut) {
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self.transform = .identity
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}
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configuration.action?(self)
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}
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shrinkAnimator = nil
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}
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@objc private func panRecognized(_ recognizer: UIPanGestureRecognizer) {
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let translation = recognizer.translation(in: self).y
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let isDraggingAwayFromDismissalEdge = (configuration.edge == .top && translation > 0) || (configuration.edge == .bottom && translation < 0)
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switch recognizer.state {
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case .began:
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recognizedGesture = true
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UIView.animate(withDuration: 0.1, delay: 0, options: [.curveEaseInOut, .allowUserInteraction]) {
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self.transform = .identity
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}
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break
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case .changed:
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var distance: CGFloat
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if isDraggingAwayFromDismissalEdge {
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distance = sqrt(abs(translation))
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if configuration.edge == .bottom {
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distance *= -1
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}
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} else {
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distance = translation
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}
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transform = CGAffineTransform(translationX: 0, y: distance)
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case .ended, .cancelled:
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let velocity = recognizer.velocity(in: self).y
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let distance = isDraggingAwayFromDismissalEdge ? sqrt(abs(translation)) : translation
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let minDismissalDistance = configuration.edgeSpacing + bounds.height / 2
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let dismissDueToDistance = configuration.edge == .bottom ? distance > minDismissalDistance : -distance > minDismissalDistance
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let minDismissalVelocity: CGFloat = 250
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let dismissDueToVelocity = configuration.edge == .bottom ? velocity > minDismissalDistance : velocity < -minDismissalVelocity
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if dismissDueToDistance || dismissDueToVelocity {
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if abs(translation) < abs(offscreenTranslation) {
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let distanceLeft = offscreenTranslation - translation
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let duration = 1 / TimeInterval(max(velocity, minDismissalVelocity) / distanceLeft)
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UIView.animate(withDuration: duration, delay: 0, options: .allowUserInteraction) {
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self.transform = CGAffineTransform(translationX: 0, y: self.offscreenTranslation)
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} completion: { (_) in
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self.removeFromSuperview()
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}
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} else {
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self.removeFromSuperview()
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}
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} else {
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let duration = 0.5
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let velocity = distance * duration
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UIView.animate(withDuration: duration, delay: 0, usingSpringWithDamping: 0.65, initialSpringVelocity: velocity, options: .allowUserInteraction) {
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self.transform = .identity
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}
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}
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default:
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break
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}
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}
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func dismissToast(animated: Bool) {
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guard animated else {
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removeFromSuperview()
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return
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}
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UIView.animate(withDuration: 0.25, delay: 0, options: .curveEaseInOut) {
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self.transform = CGAffineTransform(translationX: 0, y: self.offscreenTranslation)
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} completion: { (_) in
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self.removeFromSuperview()
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}
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}
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func animateAppearance() {
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self.transform = CGAffineTransform(translationX: 0, y: offscreenTranslation)
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let duration = 0.5
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let velocity = 0.5
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UIView.animate(withDuration: duration, delay: 0, usingSpringWithDamping: 0.65, initialSpringVelocity: velocity, options: []) {
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self.transform = .identity
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}
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}
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}
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@ -0,0 +1,91 @@
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//
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// ToastableViewController.swift
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// ToastableViewController
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//
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// Created by Shadowfacts on 8/14/21.
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// Copyright © 2021 Shadowfacts. All rights reserved.
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//
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import UIKit
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protocol ToastableViewController: UIViewController {
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var toastParentView: UIView { get }
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}
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private var currentToastKey = "Tusker_currentToast"
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extension ToastableViewController {
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private(set) var currentToast: ToastView? {
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get {
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let holder = objc_getAssociatedObject(self, ¤tToastKey) as? WeakHolder<ToastView>
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return holder?.object
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}
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set {
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if let newValue = newValue {
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objc_setAssociatedObject(self, ¤tToastKey, WeakHolder(object: newValue), .OBJC_ASSOCIATION_RETAIN)
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} else {
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objc_setAssociatedObject(self, ¤tToastKey, nil, .OBJC_ASSOCIATION_RETAIN)
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}
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}
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}
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var toastParentView: UIView { view }
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func showToast(configuration config: ToastConfiguration, animated: Bool) {
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currentToast?.dismissToast(animated: false)
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var config = config
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config.edge = effectiveEdge(edge: config.edge)
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let toast = ToastView(configuration: config)
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currentToast = toast
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let parentSafeArea = toastParentView.safeAreaLayoutGuide
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toast.translatesAutoresizingMaskIntoConstraints = false
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toastParentView.addSubview(toast)
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let yConstraint: NSLayoutConstraint
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switch config.edge {
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case .top:
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yConstraint = toast.topAnchor.constraint(equalTo: parentSafeArea.topAnchor, constant: config.edgeSpacing)
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case .bottom:
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yConstraint = parentSafeArea.bottomAnchor.constraint(equalTo: toast.bottomAnchor, constant: config.edgeSpacing)
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case .automatic:
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fatalError("unreachable")
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}
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NSLayoutConstraint.activate([
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toast.leadingAnchor.constraint(greaterThanOrEqualToSystemSpacingAfter: parentSafeArea.leadingAnchor, multiplier: 1),
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parentSafeArea.trailingAnchor.constraint(greaterThanOrEqualToSystemSpacingAfter: toast.trailingAnchor, multiplier: 1),
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parentSafeArea.centerXAnchor.constraint(equalTo: toast.centerXAnchor),
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yConstraint,
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])
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if animated {
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toast.animateAppearance()
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}
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}
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private func effectiveEdge(edge: ToastConfiguration.Edge) -> ToastConfiguration.Edge {
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guard case .automatic = edge else {
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return edge
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}
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if UIDevice.current.userInterfaceIdiom == .phone {
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return .bottom
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} else {
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return .top
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}
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}
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}
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fileprivate class WeakHolder<T: AnyObject> {
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weak var object: T?
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init(object: T) {
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self.object = object
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}
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}
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