wip

Mastodon.xcworkspace/xcshareddata/swiftpm/Package.resolved

@@ -108,6 +108,15 @@
         "version" : "8.0.0"
       }
     },
+    {
+      "identity" : "opengraph",
+      "kind" : "remoteSourceControl",
+      "location" : "https://github.com/satoshi-takano/OpenGraph",
+      "state" : {
+        "revision" : "3ef2b8b9b4972b57e9e78c91c26be770c0110057",
+        "version" : "1.5.0"
+      }
+    },
     {
       "identity" : "pageboy",
       "kind" : "remoteSourceControl",

MastodonSDK/Package.swift

@@ -49,6 +49,7 @@ let package = Package(
         .package(url: "https://github.com/SDWebImage/SDWebImage.git", from: "5.12.0"),
         .package(url: "https://github.com/eneko/Stripes.git", from: "0.2.0"),
         .package(url: "https://github.com/onevcat/Kingfisher.git", from: "7.4.1"),
+        .package(url: "https://github.com/satoshi-takano/OpenGraph", from: "1.0.0"),
     ],
     targets: [
         // Targets are the basic building blocks of a package. A target can define a module or a test suite.
@@ -117,6 +118,7 @@ let package = Package(
                 .product(name: "UIHostingConfigurationBackport", package: "UIHostingConfigurationBackport"),
                 .product(name: "TabBarPager", package: "TabBarPager"),
                 .product(name: "ThirdPartyMailer", package: "ThirdPartyMailer"),
+                .product(name: "OpenGraph", package: "OpenGraph"),
                 .product(name: "OrderedCollections", package: "swift-collections"),
                 .product(name: "Tabman", package: "Tabman"),
                 .product(name: "MetaTextKit", package: "MetaTextKit"),

MastodonSDK/Sources/MastodonUI/View/Content/OpenGraphView.swift

@@ -0,0 +1,82 @@
+//
+//  OpenGraphView.swift
+//  
+//
+//  Created by Kyle Bashour on 11/11/22.
+//
+
+import MastodonAsset
+import MastodonCore
+import OpenGraph
+import UIKit
+
+public final class OpenGraphView: UIControl {
+    private let containerStackView = UIStackView()
+    private let labelStackView = UIStackView()
+
+    private let imageView = UIImageView()
+    private let titleLabel = UILabel()
+    private let subtitleLabel = UILabel()
+
+    public override init(frame: CGRect) {
+        super.init(frame: frame)
+
+        clipsToBounds = true
+        layer.cornerCurve = .continuous
+        layer.cornerRadius = 10
+        layer.borderColor = ThemeService.shared.currentTheme.value.separator.cgColor
+        backgroundColor = ThemeService.shared.currentTheme.value.systemElevatedBackgroundColor
+
+        titleLabel.numberOfLines = 0
+        titleLabel.setContentCompressionResistancePriority(.defaultLow - 1, for: .horizontal)
+        titleLabel.text = "This is where I'd put a title... if I had one"
+        titleLabel.textColor = Asset.Colors.Label.primary.color
+
+        subtitleLabel.text = "Subtitle"
+        subtitleLabel.setContentCompressionResistancePriority(.defaultLow - 1, for: .horizontal)
+        subtitleLabel.textColor = Asset.Colors.Label.secondary.color
+        subtitleLabel.font = UIFontMetrics(forTextStyle: .subheadline).scaledFont(for: .systemFont(ofSize: 15, weight: .regular), maximumPointSize: 20)
+
+        imageView.backgroundColor = UIColor.black.withAlphaComponent(0.15)
+
+        labelStackView.addArrangedSubview(titleLabel)
+        labelStackView.addArrangedSubview(subtitleLabel)
+        labelStackView.layoutMargins = .init(top: 8, left: 10, bottom: 8, right: 10)
+        labelStackView.isLayoutMarginsRelativeArrangement = true
+        labelStackView.axis = .vertical
+
+        containerStackView.addArrangedSubview(imageView)
+        containerStackView.addArrangedSubview(labelStackView)
+        containerStackView.distribution = .fill
+        containerStackView.alignment = .center
+
+        addSubview(containerStackView)
+
+        containerStackView.translatesAutoresizingMaskIntoConstraints = false
+
+        NSLayoutConstraint.activate([
+            containerStackView.heightAnchor.constraint(equalToConstant: 80),
+            containerStackView.topAnchor.constraint(equalTo: topAnchor),
+            containerStackView.bottomAnchor.constraint(equalTo: bottomAnchor),
+            containerStackView.leadingAnchor.constraint(equalTo: leadingAnchor),
+            containerStackView.trailingAnchor.constraint(equalTo: trailingAnchor),
+            imageView.heightAnchor.constraint(equalTo: imageView.widthAnchor),
+        ])
+    }
+    
+    required init?(coder: NSCoder) {
+        fatalError("init(coder:) has not been implemented")
+    }
+
+    public func configure(content: String) {
+        self.subtitleLabel.text = content
+    }
+
+    public override func didMoveToWindow() {
+        super.didMoveToWindow()
+
+        if let window = window {
+            layer.borderWidth = 1 / window.screen.scale
+        }
+    }
+}

MastodonSDK/Sources/MastodonUI/View/Content/StatusView+ViewModel.swift

@@ -317,6 +317,22 @@ extension StatusView.ViewModel {
                 )
                 statusView.contentMetaText.textView.accessibilityTraits = [.staticText]
                 statusView.contentMetaText.textView.accessibilityElementsHidden = false
+
+                if let url = content.entities.first(where: {
+                    switch $0.meta {
+                    case .url:
+                        return true
+                    default:
+                        return false
+                    }
+                }) {
+                    guard case .url(let text, let trimmed, let url, _) = url.meta, let url = URL(string: url) else {
+                        fatalError()
+                    }
+
+                    statusView.linkPreview.configure(content: trimmed)
+                    statusView.setLinkPreviewDisplay()
+                }
             } else {
                 statusView.contentMetaText.reset()
                 statusView.contentMetaText.textView.accessibilityLabel = ""

MastodonSDK/Sources/MastodonUI/View/Content/StatusView.swift

@@ -113,6 +113,8 @@ public final class StatusView: UIView {
         ]
         return metaText
     }()
+
+    public let linkPreview = OpenGraphView()
     
     // content warning
     public let spoilerOverlayView = SpoilerOverlayView()
@@ -217,6 +219,7 @@ public final class StatusView: UIView {
         setMediaDisplay(isDisplay: false)
         setPollDisplay(isDisplay: false)
         setFilterHintLabelDisplay(isDisplay: false)
+        setLinkPreviewDisplay(isDisplay: false)
     }
 
     public override init(frame: CGRect) {
@@ -378,7 +381,7 @@ extension StatusView.Style {
         statusView.contentContainer.axis = .vertical
         statusView.contentContainer.spacing = 12
         statusView.contentContainer.distribution = .fill
-        statusView.contentContainer.alignment = .top
+        statusView.contentContainer.alignment = .fill
 
         statusView.contentAdaptiveMarginContainerView.contentView = statusView.contentContainer
         statusView.contentAdaptiveMarginContainerView.margin = StatusView.containerLayoutMargin
@@ -389,6 +392,8 @@ extension StatusView.Style {
         // status content
         statusView.contentContainer.addArrangedSubview(statusView.contentMetaText.textView)
         statusView.containerStackView.setCustomSpacing(16, after: statusView.contentMetaText.textView)
+        statusView.contentContainer.addArrangedSubview(statusView.linkPreview)
+        statusView.containerStackView.setCustomSpacing(16, after: statusView.linkPreview)
 
         statusView.spoilerOverlayView.translatesAutoresizingMaskIntoConstraints = false
         statusView.containerStackView.addSubview(statusView.spoilerOverlayView)
@@ -539,6 +544,10 @@ extension StatusView {
     func setFilterHintLabelDisplay(isDisplay: Bool = true) {
         filterHintLabel.isHidden = !isDisplay
     }
+
+    func setLinkPreviewDisplay(isDisplay: Bool = true) {
+        linkPreview.isHidden = !isDisplay
+    }
     
     // container width
     public var contentMaxLayoutWidth: CGFloat {