Show current user avatar in sidebar

Tusker.xcodeproj/project.pbxproj

@@ -235,6 +235,7 @@
 		D6B81F3C2560365300F6E31D /* RefreshableViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6B81F3B2560365300F6E31D /* RefreshableViewController.swift */; };
 		D6B81F442560390300F6E31D /* MenuController.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6B81F432560390300F6E31D /* MenuController.swift */; };
 		D6B8DB342182A59300424AF7 /* UIAlertController+Visibility.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6B8DB332182A59300424AF7 /* UIAlertController+Visibility.swift */; };
+		D6B93667281D937300237D0E /* MainSidebarMyProfileCollectionViewCell.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6B93666281D937300237D0E /* MainSidebarMyProfileCollectionViewCell.swift */; };
 		D6BC8748219738E1006163F1 /* EnhancedTableViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6BC8747219738E1006163F1 /* EnhancedTableViewController.swift */; };
 		D6BC9DB1232C61BC002CA326 /* NotificationsPageViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6BC9DB0232C61BC002CA326 /* NotificationsPageViewController.swift */; };
 		D6BC9DB3232D4C07002CA326 /* WellnessPrefsView.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6BC9DB2232D4C07002CA326 /* WellnessPrefsView.swift */; };
@@ -575,6 +576,7 @@
 		D6B81F3B2560365300F6E31D /* RefreshableViewController.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = RefreshableViewController.swift; sourceTree = "<group>"; };
 		D6B81F432560390300F6E31D /* MenuController.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = MenuController.swift; sourceTree = "<group>"; };
 		D6B8DB332182A59300424AF7 /* UIAlertController+Visibility.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = "UIAlertController+Visibility.swift"; sourceTree = "<group>"; };
+		D6B93666281D937300237D0E /* MainSidebarMyProfileCollectionViewCell.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = MainSidebarMyProfileCollectionViewCell.swift; sourceTree = "<group>"; };
 		D6BC8747219738E1006163F1 /* EnhancedTableViewController.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = EnhancedTableViewController.swift; sourceTree = "<group>"; };
 		D6BC9DB0232C61BC002CA326 /* NotificationsPageViewController.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = NotificationsPageViewController.swift; sourceTree = "<group>"; };
 		D6BC9DB2232D4C07002CA326 /* WellnessPrefsView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = WellnessPrefsView.swift; sourceTree = "<group>"; };
@@ -893,6 +895,7 @@
 				D6F0B12A24A3071C001E48C3 /* MainSplitViewController.swift */,
 				04DACE8B212CB14B009840C4 /* MainTabBarViewController.swift */,
 				D6F0B17424A3A1AA001E48C3 /* MainSidebarViewController.swift */,
+				D6B93666281D937300237D0E /* MainSidebarMyProfileCollectionViewCell.swift */,
 				D68E525A24A3D77E0054355A /* TuskerRootViewController.swift */,
 			);
 			path = Main;
@@ -1855,6 +1858,7 @@
 				D64AAE9526C88C5000FC57FB /* ToastableViewController.swift in Sources */,
 				D6420AEE26BED18B00ED8175 /* PublicTimelineDescriptionTableViewCell.swift in Sources */,
 				D6E0DC8E216EDF1E00369478 /* Previewing.swift in Sources */,
+				D6B93667281D937300237D0E /* MainSidebarMyProfileCollectionViewCell.swift in Sources */,
 				D6BED174212667E900F02DA0 /* TimelineStatusTableViewCell.swift in Sources */,
 				D69693F42585941A00F4E116 /* UIWindowSceneDelegate+Close.swift in Sources */,
 				D6C143DA253510F4007DC240 /* ComposeEmojiTextField.swift in Sources */,

Tusker/Screens/Main/MainSidebarMyProfileCollectionViewCell.swift

@@ -0,0 +1,78 @@
+//
+//  MainSidebarMyProfileCollectionViewCell.swift
+//  Tusker
+//
+//  Created by Shadowfacts on 4/30/22.
+//  Copyright © 2022 Shadowfacts. All rights reserved.
+//
+
+import UIKit
+
+class MainSidebarMyProfileCollectionViewCell: UICollectionViewListCell {
+    
+    private var verticalImageInset: CGFloat {
+        if UIDevice.current.userInterfaceIdiom == .mac {
+            return (28 - avatarImageSize) / 2
+        } else {
+            return (44 - avatarImageSize) / 2
+        }
+    }
+    private var avatarImageSize: CGFloat {
+        if UIDevice.current.userInterfaceIdiom == .mac {
+            return 20
+        } else {
+            return 28
+        }
+    }
+    
+    override init(frame: CGRect) {
+        super.init(frame: frame)
+        
+        NotificationCenter.default.addObserver(self, selector: #selector(preferencesChanged), name: .preferencesChanged, object: nil)
+    }
+    
+    required init?(coder: NSCoder) {
+        fatalError("init(coder:) has not been implemented")
+    }
+    
+    func updateUI(item: MainSidebarViewController.Item, account: LocalData.UserAccountInfo) async {
+        var config = defaultContentConfiguration()
+        config.text = item.title
+        config.image = UIImage(systemName: item.imageName!)
+        self.contentConfiguration = config
+        
+        let mastodonController = MastodonController.getForAccount(account)
+        guard let account = try? await mastodonController.getOwnAccount(),
+              let avatar = account.avatar else {
+            return
+        }
+        _ = ImageCache.avatars.get(avatar, loadOriginal: false) { [weak self] _, image in
+            guard let self = self,
+                  let image = image else {
+                      return
+                  }
+            
+            DispatchQueue.main.async {
+                guard var config = self.contentConfiguration as? UIListContentConfiguration else {
+                    return
+                }
+                config.image = image
+                config.directionalLayoutMargins.top = self.verticalImageInset
+                config.directionalLayoutMargins.bottom = self.verticalImageInset
+                config.imageProperties.maximumSize = CGSize(width: self.avatarImageSize, height: self.avatarImageSize)
+                config.imageProperties.reservedLayoutSize = CGSize(width: UIListContentConfiguration.ImageProperties.standardDimension, height: 0)
+                config.imageProperties.cornerRadius = Preferences.shared.avatarStyle.cornerRadiusFraction * self.avatarImageSize
+                self.contentConfiguration = config
+            }
+        }
+    }
+    
+    @objc private func preferencesChanged() {
+        guard var config = self.contentConfiguration as? UIListContentConfiguration else {
+            return
+        }
+        config.imageProperties.cornerRadius = Preferences.shared.avatarStyle.cornerRadiusFraction * avatarImageSize
+        self.contentConfiguration = contentConfiguration
+    }
+    
+}

Tusker/Screens/Main/MainSidebarViewController.swift

@@ -115,6 +115,12 @@ class MainSidebarViewController: UIViewController {
             cell.contentConfiguration = config
         }
         
+        let myProfileCell = UICollectionView.CellRegistration<MainSidebarMyProfileCollectionViewCell, Item> { [unowned self] cell, indexPath, item in
+            Task {
+                await cell.updateUI(item: item, account: self.mastodonController.accountInfo!)
+            }
+        }
+        
         let outlineHeaderCell = UICollectionView.CellRegistration<UICollectionViewListCell, Item> { (cell, indexPath, item) in
             var config = cell.defaultContentConfiguration()
             config.attributedText = NSAttributedString(string: item.title, attributes: [
@@ -125,7 +131,9 @@ class MainSidebarViewController: UIViewController {
         }
         
         return UICollectionViewDiffableDataSource<Section, Item>(collectionView: collectionView, cellProvider: { (collectionView, indexPath, item) -> UICollectionViewCell? in
-            if item.hasChildren {
+            if case .tab(.myProfile) = item {
+                return collectionView.dequeueConfiguredReusableCell(using: myProfileCell, for: indexPath, item: item)
+            } else if item.hasChildren {
                 return collectionView.dequeueConfiguredReusableCell(using: outlineHeaderCell, for: indexPath, item: item)
             } else {
                 return collectionView.dequeueConfiguredReusableCell(using: listCell, for: indexPath, item: item)