Show thumbnail (IOS-20)

Mastodon.xcodeproj/project.pbxproj

@@ -177,6 +177,7 @@
 		D8F917142A4D74C3008A5370 /* GeneralSettingsDiffableTableViewDataSource.swift in Sources */ = {isa = PBXBuildFile; fileRef = D8F917132A4D74C3008A5370 /* GeneralSettingsDiffableTableViewDataSource.swift */; };
 		D8FAAE3D2AD042E700DC1832 /* AdminTableViewCell.swift in Sources */ = {isa = PBXBuildFile; fileRef = D8FAAE3C2AD042E700DC1832 /* AdminTableViewCell.swift */; };
 		D8FAAE3F2AD0430E00DC1832 /* ContactAdminTableViewCell.swift in Sources */ = {isa = PBXBuildFile; fileRef = D8FAAE3E2AD0430E00DC1832 /* ContactAdminTableViewCell.swift */; };
+		D8FAAE412AD0475900DC1832 /* AboutInstanceTableViewHeader.swift in Sources */ = {isa = PBXBuildFile; fileRef = D8FAAE402AD0475900DC1832 /* AboutInstanceTableViewHeader.swift */; };
 		DB0009A626AEE5DC009B9D2D /* Intents.intentdefinition in Sources */ = {isa = PBXBuildFile; fileRef = DB0009A926AEE5DC009B9D2D /* Intents.intentdefinition */; settings = {ATTRIBUTES = (codegen, ); }; };
 		DB0009A726AEE5DC009B9D2D /* Intents.intentdefinition in Sources */ = {isa = PBXBuildFile; fileRef = DB0009A926AEE5DC009B9D2D /* Intents.intentdefinition */; };
 		DB023D26279FFB0A005AC798 /* ShareActivityProvider.swift in Sources */ = {isa = PBXBuildFile; fileRef = DB023D25279FFB0A005AC798 /* ShareActivityProvider.swift */; };
@@ -841,6 +842,7 @@
 		D8F917132A4D74C3008A5370 /* GeneralSettingsDiffableTableViewDataSource.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = GeneralSettingsDiffableTableViewDataSource.swift; sourceTree = "<group>"; };
 		D8FAAE3C2AD042E700DC1832 /* AdminTableViewCell.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = AdminTableViewCell.swift; sourceTree = "<group>"; };
 		D8FAAE3E2AD0430E00DC1832 /* ContactAdminTableViewCell.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ContactAdminTableViewCell.swift; sourceTree = "<group>"; };
+		D8FAAE402AD0475900DC1832 /* AboutInstanceTableViewHeader.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = AboutInstanceTableViewHeader.swift; sourceTree = "<group>"; };
 		DB0009A826AEE5DC009B9D2D /* Base */ = {isa = PBXFileReference; lastKnownFileType = file.intentdefinition; name = Base; path = Base.lproj/Intents.intentdefinition; sourceTree = "<group>"; };
 		DB0009AD26AEE5E4009B9D2D /* ar */ = {isa = PBXFileReference; lastKnownFileType = text.plist.strings; name = ar; path = ar.lproj/Intents.strings; sourceTree = "<group>"; };
 		DB023D25279FFB0A005AC798 /* ShareActivityProvider.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ShareActivityProvider.swift; sourceTree = "<group>"; };
@@ -1950,6 +1952,7 @@
 			children = (
 				D8FAAE3C2AD042E700DC1832 /* AdminTableViewCell.swift */,
 				D8FAAE3E2AD0430E00DC1832 /* ContactAdminTableViewCell.swift */,
+				D8FAAE402AD0475900DC1832 /* AboutInstanceTableViewHeader.swift */,
 				D81439852AD415DE0071A88F /* AboutInstance.swift */,
 			);
 			path = "Table View Components";
@@ -3711,6 +3714,7 @@
 				DBFEEC9D279C12C1004F81DD /* ProfileFieldEditCollectionViewCell.swift in Sources */,
 				DB3E6FEC2806D7F100B035AE /* DiscoveryNewsViewController.swift in Sources */,
 				DBCBED1726132DB500B49291 /* UserTimelineViewModel+Diffable.swift in Sources */,
+				D8FAAE412AD0475900DC1832 /* AboutInstanceTableViewHeader.swift in Sources */,
 				2DE0FACE2615F7AD00CDF649 /* RecommendAccountSection.swift in Sources */,
 				2DAC9E3E262FC2400062E1A6 /* SuggestionAccountViewModel.swift in Sources */,
 				DB603113279EBEBA00A935FE /* DataSourceFacade+Block.swift in Sources */,

Mastodon/Scene/Settings/Server Details/AboutInstanceViewController.swift

@@ -14,6 +14,7 @@ class AboutInstanceViewController: UIViewController {
     var dataSource: UITableViewDiffableDataSource<AboutInstanceSection, AboutInstanceItem>?
 
     let tableView: UITableView
+    let headerView: AboutInstanceTableHeaderView
     var instance: Mastodon.Entity.V2.Instance?
 
     init() {
@@ -21,6 +22,8 @@ class AboutInstanceViewController: UIViewController {
         tableView.translatesAutoresizingMaskIntoConstraints = false
         tableView.register(ContactAdminTableViewCell.self, forCellReuseIdentifier: ContactAdminTableViewCell.reuseIdentifier)
         tableView.register(AdminTableViewCell.self, forCellReuseIdentifier: AdminTableViewCell.reuseIdentifier)
+
+        headerView = AboutInstanceTableHeaderView()
         super.init(nibName: nil, bundle: nil)
 
         let dataSource = UITableViewDiffableDataSource<AboutInstanceSection, AboutInstanceItem>(tableView: tableView) { tableView, indexPath, itemIdentifier in
@@ -65,6 +68,23 @@ class AboutInstanceViewController: UIViewController {
         NSLayoutConstraint.activate(constraints)
     }
 
+    override func viewDidLoad() {
+        super.viewDidLoad()
+
+        tableView.tableHeaderView = headerView
+    }
+
+    override func viewWillLayoutSubviews() {
+        super.viewWillLayoutSubviews()
+
+        if let tableFooterView = tableView.tableHeaderView {
+            tableFooterView.frame.size = tableFooterView.systemLayoutSizeFitting(UIView.layoutFittingCompressedSize)
+            tableView.tableHeaderView = tableFooterView
+        }
+
+        super.viewWillLayoutSubviews()
+    }
+
     func update(with instance: Mastodon.Entity.V2.Instance) {
 
         self.instance = instance
@@ -80,20 +100,29 @@ class AboutInstanceViewController: UIViewController {
         }
 
         dataSource?.apply(snapshot, animatingDifferences: false)
-    }
+
-        //TODO: Implement
+        guard let thumbnailUrlString = instance.thumbnail?.url, let thumbnailUrl = URL(string: thumbnailUrlString) else { return }
+
+        DispatchQueue.main.async {
+            self.headerView.updateImage(with: thumbnailUrl) { [weak self] in
+                DispatchQueue.main.async {
+                    if self?.tableView.tableHeaderView == nil {
+
+                        self?.headerView.setNeedsLayout()
+                        self?.headerView.layoutIfNeeded()
+                    }
+                }
+            }
+        }
     }
 }
 
 extension AboutInstanceViewController: UITableViewDelegate {
     func tableView(_ tableView: UITableView, didSelectRowAt indexPath: IndexPath) {
-        //TODO: Implement
-
         guard let snapshot = dataSource?.snapshot() else {
             return tableView.deselectRow(at: indexPath, animated: true)
         }
 
-
         switch snapshot.itemIdentifiers(inSection: .main)[indexPath.row] {
             case .adminAccount(let account):
                 delegate?.showAdminAccount(self, account: account)
@@ -101,7 +130,6 @@ extension AboutInstanceViewController: UITableViewDelegate {
                 delegate?.sendEmailToAdmin(self, emailAddress: email)
         }
 
-
         tableView.deselectRow(at: indexPath, animated: true)
     }
 }

Mastodon/Scene/Settings/Server Details/Table View Components/AboutInstanceTableViewHeader.swift

@@ -0,0 +1,37 @@
+// Copyright © 2023 Mastodon gGmbH. All rights reserved.
+
+import UIKit
+import AlamofireImage
+
+class AboutInstanceTableHeaderView: UIView {
+    let thumbnailImageView: UIImageView
+
+    init() {
+        thumbnailImageView = UIImageView()
+        thumbnailImageView.translatesAutoresizingMaskIntoConstraints = false
+
+        super.init(frame: .zero)
+
+        addSubview(thumbnailImageView)
+
+        setupConstraints()
+    }
+
+    required init?(coder: NSCoder) { fatalError("init(coder:) has not been implemented") }
+
+    private func setupConstraints() {
+        let constraints = [
+            thumbnailImageView.topAnchor.constraint(equalTo: topAnchor),
+            thumbnailImageView.leadingAnchor.constraint(equalTo: leadingAnchor),
+            trailingAnchor.constraint(equalTo: thumbnailImageView.trailingAnchor),
+            bottomAnchor.constraint(equalTo: thumbnailImageView.bottomAnchor, constant: 24),
+            thumbnailImageView.heightAnchor.constraint(equalToConstant: 188),
+        ]
+
+        NSLayoutConstraint.activate(constraints)
+    }
+
+    func updateImage(with thumbnailURL: URL, completion: (() -> Void)? = nil) {
+        thumbnailImageView.af.setImage(withURL: thumbnailURL)
+    }
+}