Revert "Use text view for profile field value view"

This reverts commit c88076eec0.

Closes #521

Tusker/Views/Profile Header/ProfileFieldValueView.swift

@@ -12,11 +12,7 @@ import SwiftUI
 import SafariServices
 
 class ProfileFieldValueView: UIView {
-    weak var navigationDelegate: TuskerNavigationDelegate? {
+    weak var navigationDelegate: TuskerNavigationDelegate?
-        didSet {
-            textView.navigationDelegate = navigationDelegate
-        }
-    }
     
     private static let converter = HTMLConverter(
         font: .preferredFont(forTextStyle: .body),
@@ -28,8 +24,9 @@ class ProfileFieldValueView: UIView {
     
     private let account: AccountMO
     private let field: Account.Field
+    private var link: (String, URL)?
     
-    private let textView = ContentTextView()
+    private let label = EmojiLabel()
     private var iconView: UIView?
     
     private var currentTargetedPreview: UITargetedPreview?
@@ -42,28 +39,34 @@ class ProfileFieldValueView: UIView {
         
         let converted = NSMutableAttributedString(attributedString: ProfileFieldValueView.converter.convert(field.value))
         
+        var range = NSRange(location: 0, length: 0)
+        if converted.length != 0,
+           let url = converted.attribute(.link, at: 0, longestEffectiveRange: &range, in: converted.fullRange) as? URL {
+            link = (converted.attributedSubstring(from: range).string, url)
+            label.addGestureRecognizer(UITapGestureRecognizer(target: self, action: #selector(linkTapped)))
+            label.addInteraction(UIContextMenuInteraction(delegate: self))
+            label.isUserInteractionEnabled = true
+            
+            converted.enumerateAttribute(.link, in: converted.fullRange) { value, range, stop in
+                guard value != nil else { return }
                 #if os(visionOS)
-        textView.linkTextAttributes = [
+                converted.addAttribute(.foregroundColor, value: UIColor.link, range: range)
-            .foregroundColor: UIColor.link
-        ]
                 #else
-        textView.linkTextAttributes = [
+                converted.addAttribute(.foregroundColor, value: UIColor.tintColor, range: range)
-            .foregroundColor: UIColor.tintColor
-        ]
                 #endif
-        textView.backgroundColor = nil
+                // the .link attribute in a UILabel always makes the color blue >.>
-        textView.isScrollEnabled = false
+                converted.removeAttribute(.link, range: range)
-        textView.isSelectable = false
+            }
-        textView.isEditable = false
+        }
-        textView.font = .preferredFont(forTextStyle: .body)
+        
-        updateTextContainerInset()
+        label.numberOfLines = 0
-        textView.adjustsFontForContentSizeCategory = true
+        label.font = .preferredFont(forTextStyle: .body)
-        textView.attributedText = converted
+        label.adjustsFontForContentSizeCategory = true
-        textView.setEmojis(account.emojis, identifier: account.id)
+        label.attributedText = converted
-        textView.isUserInteractionEnabled = true
+        label.setEmojis(account.emojis, identifier: account.id)
-        textView.setContentCompressionResistancePriority(.required, for: .vertical)
+        label.setContentCompressionResistancePriority(.required, for: .vertical)
-        textView.translatesAutoresizingMaskIntoConstraints = false
+        label.translatesAutoresizingMaskIntoConstraints = false
-        addSubview(textView)
+        addSubview(label)
         
         let labelTrailingConstraint: NSLayoutConstraint
         
@@ -80,20 +83,20 @@ class ProfileFieldValueView: UIView {
             icon.isPointerInteractionEnabled = true
             icon.accessibilityLabel = "Verified link"
             addSubview(icon)
-            labelTrailingConstraint = textView.trailingAnchor.constraint(equalTo: icon.leadingAnchor)
+            labelTrailingConstraint = label.trailingAnchor.constraint(equalTo: icon.leadingAnchor)
             NSLayoutConstraint.activate([
-                icon.centerYAnchor.constraint(equalTo: textView.centerYAnchor),
+                icon.centerYAnchor.constraint(equalTo: label.centerYAnchor),
                 icon.trailingAnchor.constraint(lessThanOrEqualTo: trailingAnchor),
             ])
         } else {
-            labelTrailingConstraint = textView.trailingAnchor.constraint(equalTo: trailingAnchor)
+            labelTrailingConstraint = label.trailingAnchor.constraint(equalTo: trailingAnchor)
         }
         
         NSLayoutConstraint.activate([
-            textView.leadingAnchor.constraint(equalTo: leadingAnchor),
+            label.leadingAnchor.constraint(equalTo: leadingAnchor),
             labelTrailingConstraint,
-            textView.topAnchor.constraint(equalTo: topAnchor),
+            label.topAnchor.constraint(equalTo: topAnchor),
-            textView.bottomAnchor.constraint(equalTo: bottomAnchor),
+            label.bottomAnchor.constraint(equalTo: bottomAnchor),
         ])
     }
     
@@ -102,36 +105,37 @@ class ProfileFieldValueView: UIView {
     }
     
     override func sizeThatFits(_ size: CGSize) -> CGSize {
-        var size = textView.sizeThatFits(size)
+        var size = label.sizeThatFits(size)
         if let iconView {
             size.width += iconView.sizeThatFits(UIView.layoutFittingCompressedSize).width
         }
         return size
     }
     
-    override func traitCollectionDidChange(_ previousTraitCollection: UITraitCollection?) {
-        super.traitCollectionDidChange(previousTraitCollection)
-        if traitCollection.preferredContentSizeCategory != previousTraitCollection?.preferredContentSizeCategory {
-            updateTextContainerInset()
-        }
-    }
-    
-    private func updateTextContainerInset() {
-        // blergh
-        switch traitCollection.preferredContentSizeCategory {
-        case .extraSmall:
-            textView.textContainerInset = UIEdgeInsets(top: 4, left: 0, bottom: 0, right: 0)
-        case .small:
-            textView.textContainerInset = UIEdgeInsets(top: 3, left: 0, bottom: 0, right: 0)
-        case .medium, .large:
-            textView.textContainerInset = UIEdgeInsets(top: 2, left: 0, bottom: 0, right: 0)
-        default:
-            textView.textContainerInset = .zero
-        }
-    }
-    
     func setTextAlignment(_ alignment: NSTextAlignment) {
-        textView.textAlignment = alignment
+        label.textAlignment = alignment
+    }
+    
+    func getHashtagOrURL() -> (Hashtag?, URL)? {
+        guard let (text, url) = link else {
+            return nil
+        }
+        if text.starts(with: "#") {
+            return (Hashtag(name: String(text.dropFirst()), url: url), url)
+        } else {
+            return (nil, url)
+        }
+    }
+    
+    @objc private func linkTapped() {
+        guard let (hashtag, url) = getHashtagOrURL() else {
+            return
+        }
+        if let hashtag {
+            navigationDelegate?.selected(tag: hashtag)
+        } else {
+            navigationDelegate?.selected(url: url)
+        }
     }
     
     @objc private func verifiedIconTapped() {
@@ -141,7 +145,7 @@ class ProfileFieldValueView: UIView {
         let view = ProfileFieldVerificationView(
             acct: account.acct,
             verifiedAt: field.verifiedAt!,
-            linkText: textView.text ?? "",
+            linkText: label.text ?? "",
             navigationDelegate: navigationDelegate
         )
         let host = UIHostingController(rootView: view)
@@ -165,3 +169,49 @@ class ProfileFieldValueView: UIView {
         navigationDelegate.present(toPresent, animated: true)
     }
 }
+
+extension ProfileFieldValueView: UIContextMenuInteractionDelegate, MenuActionProvider {
+    func contextMenuInteraction(_ interaction: UIContextMenuInteraction, configurationForMenuAtLocation location: CGPoint) -> UIContextMenuConfiguration? {
+        guard let (hashtag, url) = getHashtagOrURL(),
+              let navigationDelegate else {
+            return nil
+        }
+        if let hashtag {
+            return UIContextMenuConfiguration {
+                HashtagTimelineViewController(for: hashtag, mastodonController: navigationDelegate.apiController)
+            } actionProvider: { _ in
+                UIMenu(children: self.actionsForHashtag(hashtag, source: .view(self)))
+            }
+        } else {
+            return UIContextMenuConfiguration {
+                let vc = SFSafariViewController(url: url)
+                #if !os(visionOS)
+                vc.preferredControlTintColor = Preferences.shared.accentColor.color
+                #endif
+                return vc
+            } actionProvider: { _ in
+                UIMenu(children: self.actionsForURL(url, source: .view(self)))
+            }
+        }
+    }
+    
+    
+    func contextMenuInteraction(_ interaction: UIContextMenuInteraction, configuration: UIContextMenuConfiguration, highlightPreviewForItemWithIdentifier identifier: NSCopying) -> UITargetedPreview? {
+        var rect = label.textRect(forBounds: label.bounds, limitedToNumberOfLines: 0)
+        // the rect should be vertically centered, but textRect doesn't seem to take the label's vertical alignment into account
+        rect.origin.x = 0
+        rect.origin.y = (bounds.height - rect.height) / 2
+        let parameters = UIPreviewParameters(textLineRects: [rect as NSValue])
+        let preview = UITargetedPreview(view: label, parameters: parameters)
+        currentTargetedPreview = preview
+        return preview
+    }
+    
+    func contextMenuInteraction(_ interaction: UIContextMenuInteraction, configuration: UIContextMenuConfiguration, dismissalPreviewForItemWithIdentifier identifier: NSCopying) -> UITargetedPreview? {
+        return currentTargetedPreview
+    }
+    
+    func contextMenuInteraction(_ interaction: UIContextMenuInteraction, willPerformPreviewActionForMenuWith configuration: UIContextMenuConfiguration, animator: UIContextMenuInteractionCommitAnimating) {
+        MenuPreviewHelper.willPerformPreviewAction(animator: animator, presenter: navigationDelegate!)
+    }
+}