Merge branch 'develop' into non-pure-black-mode

CHANGELOG.md

@@ -1,5 +1,29 @@
 # Changelog
 
+## 2023.4 (72)
+Features/Improvements:
+- Consolidate Trends into a single screen
+- Make attachment description text selectable in gallery
+- Add long press to copy usernames on profile screen
+- Add Favorites screen to Explore tab
+- Optimize conversation loading when opening a conversation that is already fully-loaded
+- Apply Mastodon poll limits in Compose screen
+- VoiceOver: Fast account switcher improvements (make the screen modal, select the first account upon opening the switcher, make each account a single item)
+- VoiceOver: Improve labels for notifications
+- VoiceOver: Fix custom emoji picker buttons not having labels
+
+Bugfixes:
+- Fix trends sometimes appearing in Explore/sidebar on non-Mastodon instances
+- Fix status favorite/reblog accounts list not resizing on device rotation
+- Fix bookmarks screen sometimes going haywire
+- Fix trending statuses not being deselected upon navigating back
+- Fix crash when tapping My Profile tab too early in app lifecycle
+- Handle 401 errors on instance timelines properly
+- Fix potential crash when showing context menu previews for status
+- Fix follow request accept/reject buttons not matching accent color preference
+- iPadOS: Fix crash when switching between sidebar and tab bar while on the Explore screen
+- iOS 15: Fix accent colors not being disaplyed in Preferences
+
 ## 2023.4 (71)
 Features/Improvements:
 - Allow pinning instance public timelines to the Home tab

Packages/Pachyderm/Sources/Pachyderm/Client.swift

@@ -199,8 +199,10 @@ public class Client {
         return Request<Account>(method: .get, path: "/api/v1/accounts/verify_credentials")
     }
     
-    public static func getFavourites() -> Request<[Status]> {
+    public static func getFavourites(range: RequestRange = .default) -> Request<[Status]> {
-        return Request<[Status]>(method: .get, path: "/api/v1/favourites")
+        var request = Request<[Status]>(method: .get, path: "/api/v1/favourites")
+        request.range = range
+        return request
     }
     
     public static func getRelationships(accounts: [String]? = nil) -> Request<[Relationship]> {

Tusker.xcodeproj/project.pbxproj

@@ -216,7 +216,7 @@
 		D68ACE5D279B1ABA001CE8EB /* AssetPickerControlCollectionViewCell.swift in Sources */ = {isa = PBXBuildFile; fileRef = D68ACE5C279B1ABA001CE8EB /* AssetPickerControlCollectionViewCell.swift */; };
 		D68C2AE325869BAB00548EFF /* AuxiliarySceneDelegate.swift in Sources */ = {isa = PBXBuildFile; fileRef = D68C2AE225869BAB00548EFF /* AuxiliarySceneDelegate.swift */; };
 		D68E525B24A3D77E0054355A /* TuskerRootViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = D68E525A24A3D77E0054355A /* TuskerRootViewController.swift */; };
-		D68E525D24A3E8F00054355A /* SearchViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = D68E525C24A3E8F00054355A /* SearchViewController.swift */; };
+		D68E525D24A3E8F00054355A /* InlineTrendsViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = D68E525C24A3E8F00054355A /* InlineTrendsViewController.swift */; };
 		D68E6F59253C9969001A1B4C /* MultiSourceEmojiLabel.swift in Sources */ = {isa = PBXBuildFile; fileRef = D68E6F58253C9969001A1B4C /* MultiSourceEmojiLabel.swift */; };
 		D68E6F5F253C9B2D001A1B4C /* BaseEmojiLabel.swift in Sources */ = {isa = PBXBuildFile; fileRef = D68E6F5E253C9B2D001A1B4C /* BaseEmojiLabel.swift */; };
 		D68FEC4F232C5BC300C84F23 /* SegmentedPageViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = D68FEC4E232C5BC300C84F23 /* SegmentedPageViewController.swift */; };
@@ -295,6 +295,10 @@
 		D6BED174212667E900F02DA0 /* TimelineStatusTableViewCell.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6BED173212667E900F02DA0 /* TimelineStatusTableViewCell.swift */; };
 		D6C143DA253510F4007DC240 /* ComposeEmojiTextField.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6C143D9253510F4007DC240 /* ComposeEmojiTextField.swift */; };
 		D6C1B2082545D1EC00DAAA66 /* StatusCardView.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6C1B2072545D1EC00DAAA66 /* StatusCardView.swift */; };
+		D6C3F4F5298ED0890009FCFF /* LocalPredicateStatusesViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6C3F4F4298ED0890009FCFF /* LocalPredicateStatusesViewController.swift */; };
+		D6C3F4F7298ED7F70009FCFF /* FavoritesViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6C3F4F6298ED7F70009FCFF /* FavoritesViewController.swift */; };
+		D6C3F4F9298EDBF20009FCFF /* ConversationTree.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6C3F4F8298EDBF20009FCFF /* ConversationTree.swift */; };
+		D6C3F4FB299035650009FCFF /* TrendsViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6C3F4FA299035650009FCFF /* TrendsViewController.swift */; };
 		D6C693EF216192C2007D6A6D /* TuskerNavigationDelegate.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6C693EE216192C2007D6A6D /* TuskerNavigationDelegate.swift */; };
 		D6C693FC2162FE6F007D6A6D /* LoadingViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6C693FB2162FE6F007D6A6D /* LoadingViewController.swift */; };
 		D6C693FE2162FEEA007D6A6D /* UIViewController+Children.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6C693FD2162FEEA007D6A6D /* UIViewController+Children.swift */; };
@@ -323,6 +327,7 @@
 		D6D706A72948D4D0000827ED /* TimlineState.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6D706A62948D4D0000827ED /* TimlineState.swift */; };
 		D6D94955298963A900C59229 /* Colors.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6D94954298963A900C59229 /* Colors.swift */; };
 		D6D9498D298CBB4000C59229 /* TrendingStatusCollectionViewCell.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6D9498C298CBB4000C59229 /* TrendingStatusCollectionViewCell.swift */; };
+		D6D9498F298EB79400C59229 /* CopyableLable.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6D9498E298EB79400C59229 /* CopyableLable.swift */; };
 		D6DD2A3F273C1F4900386A6C /* ComposeAttachmentImage.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6DD2A3E273C1F4900386A6C /* ComposeAttachmentImage.swift */; };
 		D6DD2A45273D6C5700386A6C /* GIFImageView.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6DD2A44273D6C5700386A6C /* GIFImageView.swift */; };
 		D6DD353D22F28CD000A9563A /* ContentWarningCopyMode.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6DD353C22F28CD000A9563A /* ContentWarningCopyMode.swift */; };
@@ -624,7 +629,7 @@
 		D68ACE5C279B1ABA001CE8EB /* AssetPickerControlCollectionViewCell.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = AssetPickerControlCollectionViewCell.swift; sourceTree = "<group>"; };
 		D68C2AE225869BAB00548EFF /* AuxiliarySceneDelegate.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = AuxiliarySceneDelegate.swift; sourceTree = "<group>"; };
 		D68E525A24A3D77E0054355A /* TuskerRootViewController.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = TuskerRootViewController.swift; sourceTree = "<group>"; };
-		D68E525C24A3E8F00054355A /* SearchViewController.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = SearchViewController.swift; sourceTree = "<group>"; };
+		D68E525C24A3E8F00054355A /* InlineTrendsViewController.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = InlineTrendsViewController.swift; sourceTree = "<group>"; };
 		D68E6F58253C9969001A1B4C /* MultiSourceEmojiLabel.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = MultiSourceEmojiLabel.swift; sourceTree = "<group>"; };
 		D68E6F5E253C9B2D001A1B4C /* BaseEmojiLabel.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = BaseEmojiLabel.swift; sourceTree = "<group>"; };
 		D68FEC4E232C5BC300C84F23 /* SegmentedPageViewController.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = SegmentedPageViewController.swift; sourceTree = "<group>"; };
@@ -703,6 +708,10 @@
 		D6BED173212667E900F02DA0 /* TimelineStatusTableViewCell.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = TimelineStatusTableViewCell.swift; sourceTree = "<group>"; };
 		D6C143D9253510F4007DC240 /* ComposeEmojiTextField.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ComposeEmojiTextField.swift; sourceTree = "<group>"; };
 		D6C1B2072545D1EC00DAAA66 /* StatusCardView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = StatusCardView.swift; sourceTree = "<group>"; };
+		D6C3F4F4298ED0890009FCFF /* LocalPredicateStatusesViewController.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = LocalPredicateStatusesViewController.swift; sourceTree = "<group>"; };
+		D6C3F4F6298ED7F70009FCFF /* FavoritesViewController.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = FavoritesViewController.swift; sourceTree = "<group>"; };
+		D6C3F4F8298EDBF20009FCFF /* ConversationTree.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ConversationTree.swift; sourceTree = "<group>"; };
+		D6C3F4FA299035650009FCFF /* TrendsViewController.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = TrendsViewController.swift; sourceTree = "<group>"; };
 		D6C693EE216192C2007D6A6D /* TuskerNavigationDelegate.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = TuskerNavigationDelegate.swift; sourceTree = "<group>"; };
 		D6C693FB2162FE6F007D6A6D /* LoadingViewController.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = LoadingViewController.swift; sourceTree = "<group>"; };
 		D6C693FD2162FEEA007D6A6D /* UIViewController+Children.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = "UIViewController+Children.swift"; sourceTree = "<group>"; };
@@ -738,6 +747,7 @@
 		D6D706A829498C82000827ED /* Tusker.xcconfig */ = {isa = PBXFileReference; lastKnownFileType = text.xcconfig; path = Tusker.xcconfig; sourceTree = "<group>"; };
 		D6D94954298963A900C59229 /* Colors.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = Colors.swift; sourceTree = "<group>"; };
 		D6D9498C298CBB4000C59229 /* TrendingStatusCollectionViewCell.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = TrendingStatusCollectionViewCell.swift; sourceTree = "<group>"; };
+		D6D9498E298EB79400C59229 /* CopyableLable.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = CopyableLable.swift; sourceTree = "<group>"; };
 		D6DD2A3E273C1F4900386A6C /* ComposeAttachmentImage.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ComposeAttachmentImage.swift; sourceTree = "<group>"; };
 		D6DD2A44273D6C5700386A6C /* GIFImageView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = GIFImageView.swift; sourceTree = "<group>"; };
 		D6DD353C22F28CD000A9563A /* ContentWarningCopyMode.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ContentWarningCopyMode.swift; sourceTree = "<group>"; };
@@ -921,6 +931,7 @@
 			isa = PBXGroup;
 			children = (
 				D6C82B4025C5BB7E0017F1E6 /* ExploreViewController.swift */,
+				D68E525C24A3E8F00054355A /* InlineTrendsViewController.swift */,
 				D6945C3323AC6431005C403C /* AddSavedHashtagViewController.swift */,
 				D6093F9A25BDD4B9004811E6 /* HashtagSearchResultsViewController.swift */,
 				D6945C3923AC75E2005C403C /* FindInstanceViewController.swift */,
@@ -935,16 +946,19 @@
 				D693A72925CF8C1E003A14E2 /* ProfileDirectoryViewController.swift */,
 				D693A72D25CF91C6003A14E2 /* FeaturedProfileCollectionViewCell.swift */,
 				D693A72E25CF91C6003A14E2 /* FeaturedProfileCollectionViewCell.xib */,
+				D6C3F4FA299035650009FCFF /* TrendsViewController.swift */,
 			);
 			path = Explore;
 			sourceTree = "<group>";
 		};
-		D627944823A6AD5100D38C68 /* Bookmarks */ = {
+		D627944823A6AD5100D38C68 /* Local Predicate Statuses List */ = {
 			isa = PBXGroup;
 			children = (
+				D6C3F4F4298ED0890009FCFF /* LocalPredicateStatusesViewController.swift */,
 				D6DD8FFE2984D327002AD3FD /* BookmarksViewController.swift */,
+				D6C3F4F6298ED7F70009FCFF /* FavoritesViewController.swift */,
 			);
-			path = Bookmarks;
+			path = "Local Predicate Statuses List";
 			sourceTree = "<group>";
 		};
 		D627944B23A9A02400D38C68 /* Lists */ = {
@@ -1007,7 +1021,6 @@
 				D6A3BC822321F69400FD64D5 /* Account List */,
 				D6B053A023BD2BED00A066FA /* Asset Picker */,
 				0411610522B457290030A9B7 /* Attachment Gallery */,
-				D627944823A6AD5100D38C68 /* Bookmarks */,
 				D641C787213DD862004B4513 /* Compose */,
 				D641C785213DD83B004B4513 /* Conversation */,
 				D6F2E960249E772F005846BB /* Crash Reporter */,
@@ -1016,6 +1029,7 @@
 				D61F759729384D4200C0B37F /* Customize Timelines */,
 				D641C788213DD86D004B4513 /* Large Image */,
 				D627944B23A9A02400D38C68 /* Lists */,
+				D627944823A6AD5100D38C68 /* Local Predicate Statuses List */,
 				D641C782213DD7F0004B4513 /* Main */,
 				D6F6A555291F4F0C00F496A8 /* Mute */,
 				D641C786213DD852004B4513 /* Notifications */,
@@ -1084,6 +1098,7 @@
 				D65B4B6329771EFF00DABDFB /* ConversationViewController.swift */,
 				D601FA5C297B2E6F00A8E8B5 /* ConversationCollectionViewController.swift */,
 				D601FA5E297B339100A8E8B5 /* ExpandThreadCollectionViewCell.swift */,
+				D6C3F4F8298EDBF20009FCFF /* ConversationTree.swift */,
 			);
 			path = Conversation;
 			sourceTree = "<group>";
@@ -1405,7 +1420,6 @@
 		D6BC9DD8232D8BCA002CA326 /* Search */ = {
 			isa = PBXGroup;
 			children = (
-				D68E525C24A3E8F00054355A /* SearchViewController.swift */,
 				D6BC9DD9232D8BE5002CA326 /* SearchResultsViewController.swift */,
 			);
 			path = Search;
@@ -1420,6 +1434,7 @@
 				D6ADB6EF28ED1F25009924AB /* CachedImageView.swift */,
 				D6895DC328D65342006341DA /* ConfirmReblogStatusPreviewView.swift */,
 				D620483523D38075008A63EF /* ContentTextView.swift */,
+				D6D9498E298EB79400C59229 /* CopyableLable.swift */,
 				D6E426B225337C7000C02E1C /* CustomEmojiImageView.swift */,
 				D6969E9F240C8384002843CE /* EmojiLabel.swift */,
 				D61F75B8293C15A000C0B37F /* ZeroHeightCollectionViewCell.swift */,
@@ -1942,6 +1957,7 @@
 				D6285B5321EA708700FE4B39 /* StatusFormat.swift in Sources */,
 				D6DD353D22F28CD000A9563A /* ContentWarningCopyMode.swift in Sources */,
 				0427033A22B31269000D31B6 /* AdvancedPrefsView.swift in Sources */,
+				D6C3F4F5298ED0890009FCFF /* LocalPredicateStatusesViewController.swift in Sources */,
 				D662AEEF263A3B880082A153 /* PollFinishedTableViewCell.swift in Sources */,
 				D626493C23C1000300612E6E /* AlbumTableViewCell.swift in Sources */,
 				D62275A624F1C81800B82A16 /* ComposeReplyView.swift in Sources */,
@@ -1952,7 +1968,7 @@
 				D61F759229365C6C00C0B37F /* CollectionViewController.swift in Sources */,
 				D6DD8FFD298495A8002AD3FD /* LogoutService.swift in Sources */,
 				04DACE8C212CB14B009840C4 /* MainTabBarViewController.swift in Sources */,
-				D68E525D24A3E8F00054355A /* SearchViewController.swift in Sources */,
+				D68E525D24A3E8F00054355A /* InlineTrendsViewController.swift in Sources */,
 				D61F75BB293C183100C0B37F /* HTMLConverter.swift in Sources */,
 				D61F75A5293ABD6F00C0B37F /* EditFilterView.swift in Sources */,
 				D6BC9DB1232C61BC002CA326 /* NotificationsPageViewController.swift in Sources */,
@@ -2023,6 +2039,7 @@
 				D6E77D0F286F773900D8B732 /* SplitNavigationController.swift in Sources */,
 				D6B30E09254BAF63009CAEE5 /* ImageGrayscalifier.swift in Sources */,
 				D6A6C10F25B62D2400298D0F /* DiskCache.swift in Sources */,
+				D6C3F4F9298EDBF20009FCFF /* ConversationTree.swift in Sources */,
 				D6B81F3C2560365300F6E31D /* RefreshableViewController.swift in Sources */,
 				D646C958213B367000269FB5 /* LargeImageShrinkAnimationController.swift in Sources */,
 				D6674AEA23341F7600E8DF94 /* AppShortcutItems.swift in Sources */,
@@ -2125,6 +2142,7 @@
 				D663626221360B1900C9CBA2 /* Preferences.swift in Sources */,
 				D626493823C0FD0000612E6E /* AllPhotosTableViewCell.swift in Sources */,
 				D627943B23A55BA600D38C68 /* NavigableTableViewCell.swift in Sources */,
+				D6D9498F298EB79400C59229 /* CopyableLable.swift in Sources */,
 				D6333B792139AEFD00CE884A /* Date+TimeAgo.swift in Sources */,
 				D6D706A029466649000827ED /* ScrollingSegmentedControl.swift in Sources */,
 				D653F411267D1E32004E32B1 /* DiffableTimelineLikeTableViewController.swift in Sources */,
@@ -2155,6 +2173,7 @@
 				D6D706A72948D4D0000827ED /* TimlineState.swift in Sources */,
 				D66C900B28DAB7FD00217BF2 /* TimelineViewController.swift in Sources */,
 				D61F758D2933C69C00C0B37F /* StatusUpdatedNotificationTableViewCell.swift in Sources */,
+				D6C3F4F7298ED7F70009FCFF /* FavoritesViewController.swift in Sources */,
 				D6AEBB432321685E00E5038B /* OpenInSafariActivity.swift in Sources */,
 				D6C693FE2162FEEA007D6A6D /* UIViewController+Children.swift in Sources */,
 				D61A45EA28DF51EE002BE511 /* TimelineLikeCollectionViewController.swift in Sources */,
@@ -2170,6 +2189,7 @@
 				D6E77D0B286D426E00D8B732 /* TrendingLinkCardCollectionViewCell.swift in Sources */,
 				D6114E1127F899B30080E273 /* TrendingLinksViewController.swift in Sources */,
 				D65B4B58297203A700DABDFB /* ReportSelectRulesView.swift in Sources */,
+				D6C3F4FB299035650009FCFF /* TrendsViewController.swift in Sources */,
 				D6B81F442560390300F6E31D /* MenuController.swift in Sources */,
 				D65B4B542971F71D00DABDFB /* EditedReport.swift in Sources */,
 				D65234E12561AA68001AF9CF /* NotificationsTableViewController.swift in Sources */,
@@ -2396,7 +2416,7 @@
 				CODE_SIGN_ENTITLEMENTS = Tusker/Tusker.entitlements;
 				CODE_SIGN_IDENTITY = "iPhone Developer";
 				CODE_SIGN_STYLE = Automatic;
-				CURRENT_PROJECT_VERSION = 71;
+				CURRENT_PROJECT_VERSION = 72;
 				INFOPLIST_FILE = Tusker/Info.plist;
 				INFOPLIST_KEY_LSApplicationCategoryType = "public.app-category.social-networking";
 				IPHONEOS_DEPLOYMENT_TARGET = 15.0;
@@ -2461,7 +2481,7 @@
 				CODE_SIGN_ENTITLEMENTS = OpenInTusker/OpenInTusker.entitlements;
 				CODE_SIGN_IDENTITY = "iPhone Developer";
 				CODE_SIGN_STYLE = Automatic;
-				CURRENT_PROJECT_VERSION = 71;
+				CURRENT_PROJECT_VERSION = 72;
 				INFOPLIST_FILE = OpenInTusker/Info.plist;
 				IPHONEOS_DEPLOYMENT_TARGET = 14.1;
 				"IPHONEOS_DEPLOYMENT_TARGET[sdk=macosx*]" = 14.3;
@@ -2612,7 +2632,7 @@
 				CODE_SIGN_ENTITLEMENTS = Tusker/Tusker.entitlements;
 				CODE_SIGN_IDENTITY = "iPhone Developer";
 				CODE_SIGN_STYLE = Automatic;
-				CURRENT_PROJECT_VERSION = 71;
+				CURRENT_PROJECT_VERSION = 72;
 				INFOPLIST_FILE = Tusker/Info.plist;
 				INFOPLIST_KEY_LSApplicationCategoryType = "public.app-category.social-networking";
 				IPHONEOS_DEPLOYMENT_TARGET = 15.0;
@@ -2640,7 +2660,7 @@
 				CODE_SIGN_ENTITLEMENTS = Tusker/Tusker.entitlements;
 				CODE_SIGN_IDENTITY = "iPhone Developer";
 				CODE_SIGN_STYLE = Automatic;
-				CURRENT_PROJECT_VERSION = 71;
+				CURRENT_PROJECT_VERSION = 72;
 				INFOPLIST_FILE = Tusker/Info.plist;
 				INFOPLIST_KEY_LSApplicationCategoryType = "public.app-category.social-networking";
 				IPHONEOS_DEPLOYMENT_TARGET = 15.0;
@@ -2745,7 +2765,7 @@
 				CODE_SIGN_ENTITLEMENTS = OpenInTusker/OpenInTusker.entitlements;
 				CODE_SIGN_IDENTITY = "iPhone Developer";
 				CODE_SIGN_STYLE = Automatic;
-				CURRENT_PROJECT_VERSION = 71;
+				CURRENT_PROJECT_VERSION = 72;
 				INFOPLIST_FILE = OpenInTusker/Info.plist;
 				IPHONEOS_DEPLOYMENT_TARGET = 14.1;
 				"IPHONEOS_DEPLOYMENT_TARGET[sdk=macosx*]" = 14.3;
@@ -2771,7 +2791,7 @@
 				CODE_SIGN_ENTITLEMENTS = OpenInTusker/OpenInTusker.entitlements;
 				CODE_SIGN_IDENTITY = "iPhone Developer";
 				CODE_SIGN_STYLE = Automatic;
-				CURRENT_PROJECT_VERSION = 71;
+				CURRENT_PROJECT_VERSION = 72;
 				INFOPLIST_FILE = OpenInTusker/Info.plist;
 				IPHONEOS_DEPLOYMENT_TARGET = 14.1;
 				"IPHONEOS_DEPLOYMENT_TARGET[sdk=macosx*]" = 14.3;

Tusker/MultiThreadDictionary.swift

@@ -13,20 +13,24 @@ import os
 // to make the lock semantics more clear
 @available(iOS, obsoleted: 16.0)
 class MultiThreadDictionary<Key: Hashable & Sendable, Value: Sendable> {
-    private let lock: LockHolder<[AnyHashable: Any]>
+    private let lock: any Lock<[Key: Value]>
     
     init() {
-        self.lock = LockHolder(initialState: [:])
+        if #available(iOS 16.0, *) {
+            self.lock = OSAllocatedUnfairLock(initialState: [:])
+        } else {
+            self.lock = UnfairLock(initialState: [:])
+        }
     }
     
     subscript(key: Key) -> Value? {
         get {
-            return try! lock.withLock { dict in
+            return lock.withLock { dict in
                 dict[key]
-            } as! Value?
+            }
         }
         set(value) {
-            _ = try! lock.withLock { dict in
+            _ = lock.withLock { dict in
                 dict[key] = value
             }
         }
@@ -34,40 +38,21 @@ class MultiThreadDictionary<Key: Hashable & Sendable, Value: Sendable> {
     
     /// If the result of this function is unused, it is preferable to use `removeValueWithoutReturning` as it executes asynchronously and doesn't block the calling thread.
     func removeValue(forKey key: Key) -> Value? {
-        return try! lock.withLock { dict in
+        return lock.withLock { dict in
             dict.removeValue(forKey: key)
-        } as! Value?
+        }
     }
     
     func contains(key: Key) -> Bool {
-        return try! lock.withLock { dict in
+        return lock.withLock { dict in
             dict.keys.contains(key)
-        } as! Bool
+        }
     }
     
     // TODO: this should really be throws/rethrows but the stupid type-erased lock makes that not possible
-    func withLock<R>(_ body: @Sendable (inout [Key: Value]) -> R) -> R where R: Sendable {
+    func withLock<R>(_ body: @Sendable (inout [Key: Value]) throws -> R) rethrows -> R where R: Sendable {
-        return try! lock.withLock { dict in
+        return try lock.withLock { dict in
-            var downcasted = dict as! [Key: Value]
+            return try body(&dict)
-            defer { dict = downcasted }
-            return body(&downcasted)
-        } as! R
-    }
-}
-
-// this type erased struct is necessary due to a compiler bug with stored constrained existential types
-// see https://github.com/apple/swift/issues/61403
-// see #178
-fileprivate struct LockHolder<State> {
-    let withLock: (_ body: @Sendable (inout State) throws -> any Sendable) throws -> any Sendable
-    
-    init(initialState: State) {
-        if #available(iOS 16.0, *) {
-            let lock = OSAllocatedUnfairLock(initialState: initialState)
-            self.withLock = lock.withLock(_:)
-        } else {
-            let lock = UnfairLock(initialState: initialState)
-            self.withLock = lock.withLock(_:)
         }
     }
 }

Tusker/Preferences/Preferences.swift

@@ -81,7 +81,7 @@ class Preferences: Codable, ObservableObject {
         self.defaultNotificationsMode = try container.decode(NotificationsMode.self, forKey: .defaultNotificationsType)
         self.grayscaleImages = try container.decodeIfPresent(Bool.self, forKey: .grayscaleImages) ?? false
         self.disableInfiniteScrolling = try container.decodeIfPresent(Bool.self, forKey: .disableInfiniteScrolling) ?? false
-        self.hideDiscover = try container.decodeIfPresent(Bool.self, forKey: .hideDiscover) ?? false
+        self.hideTrends = try container.decodeIfPresent(Bool.self, forKey: .hideTrends) ?? false
         
         self.statusContentType = try container.decode(StatusContentType.self, forKey: .statusContentType)
         
@@ -132,7 +132,7 @@ class Preferences: Codable, ObservableObject {
         try container.encode(defaultNotificationsMode, forKey: .defaultNotificationsType)
         try container.encode(grayscaleImages, forKey: .grayscaleImages)
         try container.encode(disableInfiniteScrolling, forKey: .disableInfiniteScrolling)
-        try container.encode(hideDiscover, forKey: .hideDiscover)
+        try container.encode(hideTrends, forKey: .hideTrends)
         
         try container.encode(statusContentType, forKey: .statusContentType)
         
@@ -193,7 +193,7 @@ class Preferences: Codable, ObservableObject {
     @Published var defaultNotificationsMode = NotificationsMode.allNotifications
     @Published var grayscaleImages = false
     @Published var disableInfiniteScrolling = false
-    @Published var hideDiscover = false
+    @Published var hideTrends = false
     
     // MARK: Advanced
     @Published var statusContentType: StatusContentType = .plain
@@ -245,7 +245,7 @@ class Preferences: Codable, ObservableObject {
         case defaultNotificationsType
         case grayscaleImages
         case disableInfiniteScrolling
-        case hideDiscover
+        case hideTrends = "hideDiscover"
         
         case statusContentType
         

Tusker/Scenes/AuxiliarySceneDelegate.swift

@@ -82,7 +82,7 @@ class AuxiliarySceneDelegate: UIResponder, UIWindowSceneDelegate {
             return NotificationsPageViewController(initialMode: mode, mastodonController: mastodonController)
             
         case .search:
-            return SearchViewController(mastodonController: mastodonController)
+            return InlineTrendsViewController(mastodonController: mastodonController)
             
         case .bookmarks:
             return BookmarksViewController(mastodonController: mastodonController)

Tusker/Screens/Compose/ComposeAutocompleteView.swift

@@ -236,6 +236,7 @@ struct ComposeAutocompleteEmojisView: View {
                                 CustomEmojiImageView(emoji: emoji)
                                     .frame(height: emojiSize)
                             }
+                            .accessibilityLabel(emoji.shortcode)
                         }
                     } header: {
                         if !section.isEmpty {
@@ -271,6 +272,7 @@ struct ComposeAutocompleteEmojisView: View {
                                 .foregroundColor(Color(UIColor.label))
                         }
                     }
+                    .accessibilityLabel(emoji.shortcode)
                     .frame(height: emojiSize)
                 }
                 .animation(.linear(duration: 0.2), value: emojis)
@@ -293,6 +295,7 @@ struct ComposeAutocompleteEmojisView: View {
                 .aspectRatio(contentMode: .fit)
                 .rotationEffect(expanded ? .zero : .degrees(180))
         }
+        .accessibilityLabel(expanded ? "Collapse" : "Expand")
         .frame(width: 20, height: 20)
     }
     

Tusker/Screens/Compose/ComposeEmojiTextField.swift

@@ -15,15 +15,17 @@ struct ComposeEmojiTextField: UIViewRepresentable {
     
     @Binding var text: String
     let placeholder: String
+    let maxLength: Int?
     let becomeFirstResponder: Binding<Bool>?
     let focusNextView: Binding<Bool>?
     private var didChange: ((String) -> Void)? = nil
     private var didEndEditing: (() -> Void)? = nil
     private var backgroundColor: UIColor? = nil
     
-    init(text: Binding<String>, placeholder: String, becomeFirstResponder: Binding<Bool>? = nil, focusNextView: Binding<Bool>? = nil) {
+    init(text: Binding<String>, placeholder: String, maxLength: Int? = nil, becomeFirstResponder: Binding<Bool>? = nil, focusNextView: Binding<Bool>? = nil) {
         self._text = text
         self.placeholder = placeholder
+        self.maxLength = maxLength
         self.becomeFirstResponder = becomeFirstResponder
         self.focusNextView = focusNextView
         self.didChange = nil
@@ -74,6 +76,7 @@ struct ComposeEmojiTextField: UIViewRepresentable {
         } else {
             uiView.text = text
         }
+        context.coordinator.maxLength = maxLength
         context.coordinator.didChange = didChange
         context.coordinator.didEndEditing = didEndEditing
         context.coordinator.focusNextView = focusNextView
@@ -95,6 +98,7 @@ struct ComposeEmojiTextField: UIViewRepresentable {
         var text: Binding<String>!
         // break retained cycle through ComposeUIState.currentInput
         unowned var uiState: ComposeUIState!
+        var maxLength: Int?
         var didChange: ((String) -> Void)?
         var didEndEditing: (() -> Void)?
         var focusNextView: Binding<Bool>?
@@ -114,6 +118,14 @@ struct ComposeEmojiTextField: UIViewRepresentable {
             focusNextView?.wrappedValue = true
         }
         
+        func textField(_ textField: UITextField, shouldChangeCharactersIn range: NSRange, replacementString string: String) -> Bool {
+            if let maxLength {
+                return ((textField.text ?? "") as NSString).replacingCharacters(in: range, with: string).count <= maxLength
+            } else {
+                return true
+            }
+        }
+        
         func textFieldDidBeginEditing(_ textField: UITextField) {
             uiState.currentInput = self
             updateAutocompleteState(textField: textField)

Tusker/Screens/Compose/ComposePollView.swift

@@ -20,6 +20,7 @@ struct ComposePollView: View {
     @ObservedObject var draft: Draft
     @ObservedObject var poll: Draft.Poll
     
+    @EnvironmentObject var mastodonController: MastodonController
     @Environment(\.colorScheme) var colorScheme: ColorScheme
     
     @State private var duration: Duration
@@ -31,6 +32,14 @@ struct ComposePollView: View {
         self._duration = State(initialValue: .fromTimeInterval(poll.duration) ?? .oneDay)
     }
     
+    private var canAddOption: Bool {
+        if let pollConfig = mastodonController.instance?.pollsConfiguration {
+            return poll.options.count < pollConfig.maxOptions
+        } else {
+            return true
+        }
+    }
+
     var body: some View {
         VStack {
             HStack {
@@ -67,9 +76,15 @@ struct ComposePollView: View {
             .frame(height: 44 * CGFloat(poll.options.count))
             
             Button(action: self.addOption) {
-                Label("Add Option", systemImage: "plus")
+                Label {
+                    Text("Add Option")
+                } icon: {
+                    Image(systemName: "plus")
+                        .foregroundColor(.accentColor)
+                }
             }
             .buttonStyle(.borderless)
+            .disabled(!canAddOption)
             
             HStack {
                 MenuPicker(selection: $poll.multiple, options: [
@@ -155,6 +170,8 @@ struct ComposePollOption: View {
     @ObservedObject var option: Draft.Poll.Option
     let optionIndex: Int
     
+    @EnvironmentObject private var mastodonController: MastodonController
+    
     var body: some View {
         HStack(spacing: 4) {
             Checkbox(radiusFraction: poll.multiple ? 0.1 : 0.5, borderWidth: 2)
@@ -173,7 +190,7 @@ struct ComposePollOption: View {
     }
     
     private var textField: some View {
-        var field = ComposeEmojiTextField(text: $option.text, placeholder: "Option \(optionIndex + 1)")
+        var field = ComposeEmojiTextField(text: $option.text, placeholder: "Option \(optionIndex + 1)", maxLength: mastodonController.instance?.pollsConfiguration?.maxCharactersPerOption)
         return field.backgroundColor(.appBackground)
     }
     

Tusker/Screens/Conversation/ConversationCollectionViewController.swift

@@ -9,16 +9,6 @@
 import UIKit
 import Pachyderm
 
-class ConversationNode {
-    let status: StatusMO
-    var children: [ConversationNode]
-    
-    init(status: StatusMO) {
-        self.status = status
-        self.children = []
-    }
-}
-
 class ConversationCollectionViewController: UIViewController, CollectionViewController {
     
     private let mastodonController: MastodonController
@@ -55,11 +45,15 @@ class ConversationCollectionViewController: UIViewController, CollectionViewCont
             (collectionView.cellForItem(at: $0) as? TimelineStatusCollectionViewCell)?.trailingSwipeActions()
         }
         config.itemSeparatorHandler = { [unowned self] indexPath, sectionConfig in
-            let rowsInSection = self.collectionView.numberOfItems(inSection: indexPath.section)
-            let lastInSection = indexPath.row == rowsInSection - 1
             var config = sectionConfig
             config.topSeparatorVisibility = .hidden
-            config.bottomSeparatorVisibility = lastInSection ? .visible : .hidden
+            if case .ancestors = self.dataSource.sectionIdentifier(for: indexPath.section) {
+                config.bottomSeparatorVisibility = .hidden
+            } else if indexPath.row == self.collectionView.numberOfItems(inSection: indexPath.section) - 1 {
+                config.bottomSeparatorVisibility = .visible
+            } else {
+                config.bottomSeparatorVisibility = .hidden
+            }
             config.bottomSeparatorInsets = TimelineStatusCollectionViewCell.separatorInsets
             return config
         }
@@ -99,7 +93,7 @@ class ConversationCollectionViewController: UIViewController, CollectionViewCont
         }
         return UICollectionViewDiffableDataSource(collectionView: collectionView) { [unowned self] collectionView, indexPath, itemIdentifier in
             switch itemIdentifier {
-            case let .status(id: id, state: state, prevLink: prevLink, nextLink: nextLink):
+            case let .status(id: id, node: _, state: state, prevLink: prevLink, nextLink: nextLink):
                 if id == self.mainStatusID {
                     return collectionView.dequeueConfiguredReusableCell(using: mainStatusCell, for: indexPath, item: (id, state, prevLink))
                 } else {
@@ -123,45 +117,32 @@ class ConversationCollectionViewController: UIViewController, CollectionViewCont
         loadViewIfNeeded()
         
         var snapshot = NSDiffableDataSourceSnapshot<Section, Item>()
-        snapshot.appendSections([.statuses])
+        snapshot.appendSections([.ancestors, .mainStatus])
         
         if status.inReplyToID != nil {
-            snapshot.appendItems([.loadingIndicator], toSection: .statuses)
+            snapshot.appendItems([.loadingIndicator], toSection: .ancestors)
         }
         
-        let mainStatusItem = Item.status(id: mainStatusID, state: mainStatusState, prevLink: status.inReplyToID != nil, nextLink: false)
+        // this will be replace with the actual node in the tree once it's loaded
-        snapshot.appendItems([mainStatusItem], toSection: .statuses)
+        let tempMainNode = ConversationNode(status: status)
+        let mainStatusItem = Item.status(id: mainStatusID, node: tempMainNode, state: mainStatusState, prevLink: status.inReplyToID != nil, nextLink: false)
+        snapshot.appendItems([mainStatusItem], toSection: .mainStatus)
         
         dataSource.apply(snapshot, animatingDifferences: false)
     }
     
-    func addContext(_ context: ConversationContext, for mainStatus: StatusMO) async {
+    func addTree(_ tree: ConversationTree, mainStatus: StatusMO) {
-        let parentIDs = getDirectParents(inReplyTo: mainStatus.inReplyToID, from: context.ancestors)
-        let parentStatuses = context.ancestors.filter { parentIDs.contains($0.id) }
-        
-        await mastodonController.persistentContainer.addAll(statuses: parentStatuses + context.descendants)
-        
         var snapshot = dataSource.snapshot()
         snapshot.deleteItems([.loadingIndicator])
-        let mainStatusItem = Item.status(id: mainStatusID, state: mainStatusState, prevLink: mainStatus.inReplyToID != nil, nextLink: false)
+        let mainStatusItem = Item.status(id: mainStatusID, node: tree.mainStatus, state: mainStatusState, prevLink: mainStatus.inReplyToID != nil, nextLink: false)
-        let parentItems = parentIDs.enumerated().map { index, id in
+        let parentItems = tree.ancestors.enumerated().map { index, node in
-            Item.status(id: id, state: .unknown, prevLink: index > 0, nextLink: true)
+            Item.status(id: node.status.id, node: node, state: .unknown, prevLink: index > 0, nextLink: true)
         }
-        snapshot.insertItems(parentItems, beforeItem: mainStatusItem)
+        snapshot.appendItems(parentItems, toSection: .ancestors)
         snapshot.reloadItems([mainStatusItem])
 
-        // fetch all descendant status managed objects
+        // convert sub-threads into items for section and add to snapshot
-        let descendantIDs = context.descendants.map(\.id)
+        self.addFlattenedChildThreadsToSnapshot(tree.descendants, mainStatus: mainStatus, snapshot: &snapshot)
-        let request = StatusMO.fetchRequest()
-        request.predicate = NSPredicate(format: "id IN %@", descendantIDs)
-        
-        if let descendants = try? mastodonController.persistentContainer.viewContext.fetch(request) {
-            // convert array of descendant statuses into tree of sub-threads
-            let childThreads = self.getDescendantThreads(mainStatus: mainStatus, descendants: descendants)
-            
-            // convert sub-threads into items for section and add to snapshot
-            self.addFlattenedChildThreadsToSnapshot(childThreads, mainStatus: mainStatus, snapshot: &snapshot)
-        }
         
         self.dataSource.apply(snapshot, animatingDifferences: false) {
             let item: Item
@@ -171,7 +152,7 @@ class ConversationCollectionViewController: UIViewController, CollectionViewCont
                 position = .centeredVertically
             } else {
                 item = snapshot.itemIdentifiers.first {
-                    if case .status(id: self.statusIDToScrollToOnLoad, _, _, _) = $0 {
+                    if case .status(id: self.statusIDToScrollToOnLoad, _, _, _, _) = $0 {
                         return true
                     } else {
                         return false
@@ -187,54 +168,6 @@ class ConversationCollectionViewController: UIViewController, CollectionViewCont
         }
     }
     
-    private func getDirectParents(inReplyTo inReplyToID: String?, from statuses: [Status]) -> [String] {
-        var statuses = statuses
-        var parents = [String]()
-        
-        var parentID: String? = inReplyToID
-
-        while parentID != nil, let parentIndex = statuses.firstIndex(where: { $0.id == parentID }) {
-            let parentStatus = statuses.remove(at: parentIndex)
-            parents.insert(parentStatus.id, at: 0)
-            parentID = parentStatus.inReplyToID
-        }
-        
-        return parents
-    }
-    
-    private func getDescendantThreads(mainStatus: StatusMO, descendants: [StatusMO]) -> [ConversationNode] {
-        var descendants = descendants
-        
-        func removeAllInReplyTo(id: String) -> [StatusMO] {
-            let statuses = descendants.filter { $0.inReplyToID == id }
-            descendants.removeAll { $0.inReplyToID == id }
-            return statuses
-        }
-        
-        var nodes: [String: ConversationNode] = [
-            mainStatus.id: ConversationNode(status: mainStatus)
-        ]
-        
-        var idsToCheck = [mainStatusID]
-        
-        while !idsToCheck.isEmpty {
-            let inReplyToID = idsToCheck.removeFirst()
-            let nodeForID = nodes[inReplyToID]!
-            
-            let inReply = removeAllInReplyTo(id: inReplyToID)
-            for reply in inReply {
-                idsToCheck.append(reply.id)
-                
-                let replyNode = ConversationNode(status: reply)
-                nodes[reply.id] = replyNode
-                
-                nodeForID.children.append(replyNode)
-            }
-        }
-        
-        return nodes[mainStatusID]!.children
-    }
-    
     private func addFlattenedChildThreadsToSnapshot(_ childThreads: [ConversationNode], mainStatus: StatusMO, snapshot: inout NSDiffableDataSourceSnapshot<Section, Item>) {
         var childThreads = childThreads
         
@@ -248,7 +181,7 @@ class ConversationCollectionViewController: UIViewController, CollectionViewCont
         for node in childThreads {
             let section = Section.childThread(firstStatusID: node.status.id)
             snapshot.appendSections([section])
-            snapshot.appendItems([.status(id: node.status.id, state: .unknown, prevLink: false, nextLink: !node.children.isEmpty)], toSection: section)
+            snapshot.appendItems([.status(id: node.status.id, node: node, state: .unknown, prevLink: false, nextLink: !node.children.isEmpty)], toSection: section)
             
             var currentNode = node
             while true {
@@ -271,7 +204,7 @@ class ConversationCollectionViewController: UIViewController, CollectionViewCont
                 }
 
                 currentNode = next
-                snapshot.appendItems([.status(id: next.status.id, state: .unknown, prevLink: true, nextLink: !next.children.isEmpty)], toSection: section)
+                snapshot.appendItems([.status(id: next.status.id, node: next, state: .unknown, prevLink: true, nextLink: !next.children.isEmpty)], toSection: section)
             }
         }
     }
@@ -280,7 +213,7 @@ class ConversationCollectionViewController: UIViewController, CollectionViewCont
         var snapshot = dataSource.snapshot()
         var cellsToMask: [StatusCollectionViewCell] = []
         for item in snapshot.itemIdentifiers {
-            guard case .status(id: _, state: let state, prevLink: _, nextLink: _) = item,
+            guard case .status(id: _, node: _, state: let state, prevLink: _, nextLink: _) = item,
                   state.collapsible == true else {
                 continue
             }
@@ -311,17 +244,18 @@ class ConversationCollectionViewController: UIViewController, CollectionViewCont
 
 extension ConversationCollectionViewController {
     enum Section: Hashable {
-        case statuses
+        case ancestors
+        case mainStatus
         case childThread(firstStatusID: String)
     }
     enum Item: Hashable {
-        case status(id: String, state: CollapseState, prevLink: Bool, nextLink: Bool)
+        case status(id: String, node: ConversationNode, state: CollapseState, prevLink: Bool, nextLink: Bool)
         case expandThread(childThreads: [ConversationNode], inline: Bool)
         case loadingIndicator
         
         static func ==(lhs: Item, rhs: Item) -> Bool {
             switch (lhs, rhs) {
-            case let (.status(id: a, state: _, prevLink: aPrev, nextLink: aNext), .status(id: b, state: _, prevLink: bPrev, nextLink: bNext)):
+            case let (.status(id: a, node: _, state: _, prevLink: aPrev, nextLink: aNext), .status(id: b, node: _, state: _, prevLink: bPrev, nextLink: bNext)):
                 return a == b && aPrev == bPrev && aNext == bNext
             case let (.expandThread(childThreads: a, inline: aInline), .expandThread(childThreads: b, inline: bInline)):
                 return a.count == b.count && zip(a, b).allSatisfy { $0.status.id == $1.status.id } && aInline == bInline
@@ -334,7 +268,7 @@ extension ConversationCollectionViewController {
         
         func hash(into hasher: inout Hasher) {
             switch self {
-            case let .status(id: id, state: _, prevLink: prevLink, nextLink: nextLink):
+            case let .status(id: id, node: _, state: _, prevLink: prevLink, nextLink: nextLink):
                 hasher.combine(0)
                 hasher.combine(id)
                 hasher.combine(prevLink)
@@ -355,7 +289,7 @@ extension ConversationCollectionViewController {
 extension ConversationCollectionViewController: UICollectionViewDelegate {
     func collectionView(_ collectionView: UICollectionView, shouldSelectItemAt indexPath: IndexPath) -> Bool {
         switch dataSource.itemIdentifier(for: indexPath) {
-        case .status(id: let id, state: _, prevLink: _, nextLink: _):
+        case .status(id: let id, node: _, state: _, prevLink: _, nextLink: _):
             return id != mainStatusID
         case .expandThread(childThreads: _, inline: _):
             return true
@@ -370,12 +304,24 @@ extension ConversationCollectionViewController: UICollectionViewDelegate {
             break
         case .loadingIndicator:
             break
-        case .status(id: let id, state: let state, _, _):
+        case .status(id: let id, node: let node, state: let state, _, _):
-            selected(status: id, state: state.copy())
+            // we can only take the fast path if the user tapped on a descendant status.
+            // if the current main status is C, or one of its descendants, and the user taps A, then B won't be loaded:
+            //    A
+            //   / \
+            //  B   C
+            if case .childThread(_) = dataSource.sectionIdentifier(for: indexPath.section) {
+                let tree = ConversationTree(ancestors: buildNewAncestors(above: indexPath), mainStatus: node)
+                let conv = ConversationViewController(preloadedTree: tree, state: state.copy(), mastodonController: mastodonController)
+                conv.showStatusesAutomatically = showStatusesAutomatically
+                show(conv)
+            } else {
+                selected(status: id, state: state.copy())
+            }
         case .expandThread(childThreads: let childThreads, inline: _):
-            if case .status(id: let id, state: let state, _, _) = dataSource.itemIdentifier(for: IndexPath(row: indexPath.row - 1, section: indexPath.section)) {
+            if case .status(id: _, node: let node, state: let state, _, _) = dataSource.itemIdentifier(for: IndexPath(row: indexPath.row - 1, section: indexPath.section)) {
-                // todo: it would be nice to avoid re-fetching the context here, since we should have all the necessary information already
+                let tree = ConversationTree(ancestors: buildNewAncestors(above: indexPath), mainStatus: node)
-                let conv = ConversationViewController(for: id, state: state.copy(), mastodonController: mastodonController)
+                let conv = ConversationViewController(preloadedTree: tree, state: state.copy(), mastodonController: mastodonController)
                 conv.statusIDToScrollToOnLoad = childThreads.first!.status.id
                 conv.showStatusesAutomatically = showStatusesAutomatically
                 show(conv)
@@ -383,6 +329,34 @@ extension ConversationCollectionViewController: UICollectionViewDelegate {
         }
     }
     
+    // ConversationNode doesn't know about its parent, so we reconstruct that info from the data source
+    private func buildNewAncestors(above indexPath: IndexPath) -> [ConversationNode] {
+        let snapshot = dataSource.snapshot()
+        let currentAncestors = snapshot.itemIdentifiers(inSection: .ancestors).compactMap {
+            if case .status(id: _, node: let node, _, _, _) = $0 {
+                return node
+            } else {
+                return nil
+            }
+        }
+        let currentMainStatus = snapshot.itemIdentifiers(inSection: .mainStatus).compactMap {
+            if case .status(id: _, node: let node, _, _, _) = $0 {
+                return node
+            } else {
+                return nil
+            }
+        }
+        let parentsInCurrentSection = snapshot.itemIdentifiers(inSection: dataSource.sectionIdentifier(for: indexPath.section)!)[0..<indexPath.row].compactMap {
+            if case .status(id: _, node: let node, _, _, _) = $0 {
+                return node
+            } else {
+                return nil
+            }
+        }
+        return currentAncestors + currentMainStatus + parentsInCurrentSection
+    }
+    
+    
     func collectionView(_ collectionView: UICollectionView, contextMenuConfigurationForItemAt indexPath: IndexPath, point: CGPoint) -> UIContextMenuConfiguration? {
         return (collectionView.cellForItem(at: indexPath) as? TimelineStatusCollectionViewCell)?.contextMenuConfiguration()
     }

Tusker/Screens/Conversation/ConversationTree.swift

@@ -0,0 +1,101 @@
+//
+//  ConversationTree.swift
+//  Tusker
+//
+//  Created by Shadowfacts on 2/4/23.
+//  Copyright © 2023 Shadowfacts. All rights reserved.
+//
+
+import Foundation
+import Pachyderm
+
+class ConversationNode {
+    let status: StatusMO
+    var children: [ConversationNode]
+    
+    init(status: StatusMO) {
+        self.status = status
+        self.children = []
+    }
+}
+struct ConversationTree {
+    let ancestors: [ConversationNode]
+    let mainStatus: ConversationNode
+    var descendants: [ConversationNode] {
+        mainStatus.children
+    }
+    
+    init(ancestors: [ConversationNode], mainStatus: ConversationNode) {
+        self.ancestors = ancestors
+        self.mainStatus = mainStatus
+    }
+    
+    static func build(for mainStatus: StatusMO, ancestors: [StatusMO], descendants: [StatusMO]) -> ConversationTree {
+        let mainStatusNode = ConversationNode(status: mainStatus)
+        let ancestors = buildAncestorNodes(mainStatusNode: mainStatusNode, ancestors: ancestors)
+        buildDescendantNodes(mainStatusNode: mainStatusNode, descendants: descendants)
+        return ConversationTree(ancestors: ancestors, mainStatus: mainStatusNode)
+    }
+    
+    private static func buildAncestorNodes(mainStatusNode: ConversationNode, ancestors: [StatusMO]) -> [ConversationNode] {
+        var statuses = ancestors
+        var parents = [ConversationNode]()
+        
+        var parentID: String? = mainStatusNode.status.inReplyToID
+        
+        while let currentParentID = parentID,
+              let parentIndex = statuses.firstIndex(where: { $0.id == currentParentID }) {
+            let parentStatus = statuses.remove(at: parentIndex)
+            
+            let node = ConversationNode(status: parentStatus)
+            parents.insert(node, at: 0)
+            
+            parentID = parentStatus.inReplyToID
+        }
+        
+        // once the parents list is built and in-order, then we walk through and set each node's children
+        for (index, node) in parents.enumerated() {
+            if index == parents.count - 1 {
+                // the last parent is the direct parent of the main status
+                node.children = [mainStatusNode]
+            } else {
+                // otherwise, it's the parent of the status that comes immediately after it in the parents list
+                node.children = [parents[index + 1]]
+            }
+        }
+        
+        return parents
+    }
+    
+    // doesn't return anything, since we're modifying the main status node in-place
+    private static func buildDescendantNodes(mainStatusNode: ConversationNode, descendants: [StatusMO]) {
+        var descendants = descendants
+        
+        func removeAllInReplyTo(id: String) -> [StatusMO] {
+            let statuses = descendants.filter { $0.inReplyToID == id }
+            descendants.removeAll { $0.inReplyToID == id }
+            return statuses
+        }
+        
+        var nodes: [String: ConversationNode] = [
+            mainStatusNode.status.id: mainStatusNode
+        ]
+        
+        var idsToCheck = [mainStatusNode.status.id]
+        
+        while !idsToCheck.isEmpty {
+            let inReplyToID = idsToCheck.removeFirst()
+            let nodeForID = nodes[inReplyToID]!
+            
+            let inReply = removeAllInReplyTo(id: inReplyToID)
+            for reply in inReply {
+                idsToCheck.append(reply.id)
+                
+                let replyNode = ConversationNode(status: reply)
+                nodes[reply.id] = replyNode
+                
+                nodeForID.children.append(replyNode)
+            }
+        }
+    }
+}

Tusker/Screens/Conversation/ConversationViewController.swift

@@ -77,6 +77,14 @@ class ConversationViewController: UIViewController {
         super.init(nibName: nil, bundle: nil)
     }
     
+    init(preloadedTree: ConversationTree, state mainStatusState: CollapseState, mastodonController: MastodonController) {
+        self.mode = .preloaded(preloadedTree)
+        self.mainStatusState = mainStatusState
+        self.mastodonController = mastodonController
+
+        super.init(nibName: nil, bundle: nil)
+    }
+    
     required init?(coder: NSCoder) {
         fatalError("init(coder:) has not been implemented")
     }
@@ -115,9 +123,15 @@ class ConversationViewController: UIViewController {
     override func viewWillAppear(_ animated: Bool) {
         super.viewWillAppear(animated)
         
-        Task {
+        if case .unloaded = state {
-            if case .unloaded = state {
+            if case .preloaded(let tree) = mode {
-                await loadMainStatus()
+                // when everything is preloaded, we're on the fast path and want to avoid any async work
+                // just kicking off a MainActor task causes a delay before the content appears, even if the task doesn't suspend
+                mainStatusLoaded(tree.mainStatus.status)
+            } else {
+                Task { @MainActor in
+                    await loadMainStatus()
+                }
             }
         }
     }
@@ -142,9 +156,20 @@ class ConversationViewController: UIViewController {
     
     // MARK: Loading
     
+    @MainActor
     private func loadMainStatus() async {
-        guard let mainStatusID = await resolveStatusIfNecessary() else {
+        let mainStatusID: String
-            return
+        switch mode {
+        case .localID(let id):
+            mainStatusID = id
+        case .resolve(let url):
+            if let id = await resolveStatus(url: url) {
+                mainStatusID = id
+            } else {
+                return
+            }
+        case .preloaded(_):
+            fatalError("unreachable")
         }
         
         @MainActor
@@ -166,7 +191,7 @@ class ConversationViewController: UIViewController {
             Task {
                 await doLoadMainStatus()
             }
-            await mainStatusLoaded(cached)
+            mainStatusLoaded(cached)
         } else {
             // otherwise, show a loading indicator while loading the main status
             let indicator = UIActivityIndicatorView(style: .medium)
@@ -174,74 +199,94 @@ class ConversationViewController: UIViewController {
             state = .loading(indicator)
             
             if let status = await doLoadMainStatus() {
-                await mainStatusLoaded(status)
+                mainStatusLoaded(status)
             }
         }
     }
     
     @MainActor
-    private func resolveStatusIfNecessary() async -> String? {
+    private func resolveStatus(url: URL) async -> String? {
-        switch mode {
+        let indicator = UIActivityIndicatorView(style: .medium)
-        case .localID(let id):
+        indicator.startAnimating()
-            return id
+        state = .loading(indicator)
-        case .resolve(let url):
-            let indicator = UIActivityIndicatorView(style: .medium)
-            indicator.startAnimating()
-            state = .loading(indicator)
         
-            let url = WebURL(url)!.serialized(excludingFragment: true)
+        let url = WebURL(url)!.serialized(excludingFragment: true)
-            let request = Client.search(query: url, types: [.statuses], resolve: true)
+        let request = Client.search(query: url, types: [.statuses], resolve: true)
-            do {
+        do {
-                let (results, _) = try await mastodonController.run(request)
+            let (results, _) = try await mastodonController.run(request)
-                guard let status = results.statuses.first(where: { $0.url?.serialized() == url }) else {
+            guard let status = results.statuses.first(where: { $0.url?.serialized() == url }) else {
-                    throw UnableToResolveError()
+                throw UnableToResolveError()
-                }
-                _ = mastodonController.persistentContainer.addOrUpdateOnViewContext(status: status)
-                mode = .localID(status.id)
-                return status.id
-            } catch {
-                state = .unableToResolve(error)
-                return nil
             }
+            _ = mastodonController.persistentContainer.addOrUpdateOnViewContext(status: status)
+            mode = .localID(status.id)
+            return status.id
+        } catch {
+            state = .unableToResolve(error)
+            return nil
         }
     }
     
-    @MainActor
+    private func mainStatusLoaded(_ mainStatus: StatusMO) {
-    private func mainStatusLoaded(_ mainStatus: StatusMO) async {
         let vc = ConversationCollectionViewController(for: mainStatus.id, state: mainStatusState, mastodonController: mastodonController)
         vc.statusIDToScrollToOnLoad = statusIDToScrollToOnLoad ?? mainStatus.id
         vc.showStatusesAutomatically = showStatusesAutomatically
         vc.addMainStatus(mainStatus)
         state = .displaying(vc)
         
-        await loadContext(for: mainStatus)
+        if case .preloaded(let tree) = mode {
+            vc.addTree(tree, mainStatus: mainStatus)
+        } else {
+            Task { @MainActor in
+                await loadTree(for: mainStatus)
+            }
+        }
     }
     
     @MainActor
-    private func loadContext(for mainStatus: StatusMO) async {
+    private func loadTree(for mainStatus: StatusMO) async {
-        guard case .displaying(_) = state else {
+        guard case .displaying(_) = state,
+              let context = await loadContext(for: mainStatus) else {
             return
         }
         
+        await mastodonController.persistentContainer.addAll(statuses: context.ancestors + context.descendants)
+        
+        let ancestorIDs = context.ancestors.map(\.id)
+        let ancestorsReq = StatusMO.fetchRequest()
+        ancestorsReq.predicate = NSPredicate(format: "id in %@", ancestorIDs)
+        let ancestors = try? mastodonController.persistentContainer.viewContext.fetch(ancestorsReq)
+        
+        let descendantIDs = context.descendants.map(\.id)
+        let descendantsReq = StatusMO.fetchRequest()
+        descendantsReq.predicate = NSPredicate(format: "id IN %@", descendantIDs)
+        let descendants = try? mastodonController.persistentContainer.viewContext.fetch(descendantsReq)
+        
+        let tree = ConversationTree.build(for: mainStatus, ancestors: ancestors ?? [], descendants: descendants ?? [])
+        
+        guard case .displaying(let vc) = state else {
+            return
+        }
+        vc.addTree(tree, mainStatus: mainStatus)
+    }
+    
+    private func loadContext(for mainStatus: StatusMO) async -> ConversationContext? {
         let request = Status.getContext(mainStatus.id)
         do {
             let (context, _) = try await mastodonController.run(request)
-            guard case .displaying(let vc) = state else {
+            return context
-                return
-            }
-            
-            await vc.addContext(context, for: mainStatus)
         } catch {
             guard case .displaying(_) = state else {
-                return
+                return nil
             }
             let error = error as! Client.Error
             
             let config = ToastConfiguration(from: error, with: "Error Loading Context", in: self) { [weak self] toast in
                 toast.dismissToast(animated: true)
-                await self?.loadContext(for: mainStatus)
+                await self?.loadTree(for: mainStatus)
             }
             self.showToast(configuration: config, animated: true)
+            
+            return nil
         }
     }
     
@@ -341,6 +386,7 @@ extension ConversationViewController {
     enum Mode {
         case localID(String)
         case resolve(URL)
+        case preloaded(ConversationTree)
     }
 }
 

Tusker/Screens/Explore/ExploreViewController.swift

@@ -165,9 +165,9 @@ class ExploreViewController: UIViewController, UICollectionViewDelegate, Collect
     private func applyInitialSnapshot() {
         var snapshot = NSDiffableDataSourceSnapshot<Section, Item>()
         snapshot.appendSections(Section.allCases.filter { $0 != .discover })
-        snapshot.appendItems([.bookmarks], toSection: .bookmarks)
+        snapshot.appendItems([.bookmarks, .favorites], toSection: .bookmarks)
         if mastodonController.instanceFeatures.trends,
-           !Preferences.shared.hideDiscover {
+           !Preferences.shared.hideTrends {
             addDiscoverSection(to: &snapshot)
         }
         snapshot.appendItems([.addList], toSection: .lists)
@@ -186,19 +186,17 @@ class ExploreViewController: UIViewController, UICollectionViewDelegate, Collect
     
     private func addDiscoverSection(to snapshot: inout NSDiffableDataSourceSnapshot<Section, Item>) {
         snapshot.insertSections([.discover], afterSection: .bookmarks)
-        snapshot.appendItems([.trendingTags, .profileDirectory], toSection: .discover)
+        snapshot.appendItems([.trends], toSection: .discover)
-        if mastodonController.instanceFeatures.trendingStatusesAndLinks {
-            snapshot.insertItems([.trendingStatuses], beforeItem: .trendingTags)
-            snapshot.insertItems([.trendingLinks], afterItem: .trendingTags)
-        }
     }
     
     private func ownInstanceLoaded(_ instance: Instance) {
         var snapshot = self.dataSource.snapshot()
         if mastodonController.instanceFeatures.trends,
            !snapshot.sectionIdentifiers.contains(.discover) {
-            snapshot.insertSections([.discover], afterSection: .bookmarks)
+            addDiscoverSection(to: &snapshot)
-            snapshot.appendItems([.trendingTags, .profileDirectory], toSection: .discover)
+        } else if !mastodonController.instanceFeatures.trends,
+                  snapshot.sectionIdentifiers.contains(.discover) {
+            snapshot.deleteSections([.discover])
         }
         self.dataSource.apply(snapshot)
     }
@@ -261,7 +259,7 @@ class ExploreViewController: UIViewController, UICollectionViewDelegate, Collect
     @objc private func preferencesChanged() {
         var snapshot = dataSource.snapshot()
         let hasSection = snapshot.sectionIdentifiers.contains(.discover)
-        let hide = Preferences.shared.hideDiscover
+        let hide = Preferences.shared.hideTrends
         if hasSection && hide {
             snapshot.deleteSections([.discover])
         } else if !hasSection && !hide {
@@ -347,17 +345,11 @@ class ExploreViewController: UIViewController, UICollectionViewDelegate, Collect
         case .bookmarks:
             show(BookmarksViewController(mastodonController: mastodonController), sender: nil)
             
-        case .trendingStatuses:
+        case .favorites:
-            show(TrendingStatusesViewController(mastodonController: mastodonController), sender: nil)
+            show(FavoritesViewController(mastodonController: mastodonController), sender: nil)
             
-        case .trendingTags:
+        case .trends:
-            show(TrendingHashtagsViewController(mastodonController: mastodonController), sender: nil)
+            show(TrendsViewController(mastodonController: mastodonController), sender: nil)
-            
-        case .trendingLinks:
-            show(TrendingLinksViewController(mastodonController: mastodonController), sender: nil)
-            
-        case .profileDirectory:
-            show(ProfileDirectoryViewController(mastodonController: mastodonController), sender: nil)
             
         case let .list(list):
             show(ListTimelineViewController(for: list, mastodonController: mastodonController), sender: nil)
@@ -406,7 +398,7 @@ extension ExploreViewController {
             case .bookmarks:
                 return  nil
             case .discover:
-                return NSLocalizedString("Discover", comment: "discover section title")
+                return nil
             case .lists:
                 return NSLocalizedString("Lists", comment: "explore lists section title")
             case .savedHashtags:
@@ -419,10 +411,8 @@ extension ExploreViewController {
     
     enum Item: Hashable {
         case bookmarks
-        case trendingStatuses
+        case favorites
-        case trendingTags
+        case trends
-        case trendingLinks
-        case profileDirectory
         case list(List)
         case addList
         case savedHashtag(Hashtag)
@@ -434,14 +424,10 @@ extension ExploreViewController {
             switch self {
             case .bookmarks:
                 return NSLocalizedString("Bookmarks", comment: "bookmarks nav item title")
-            case .trendingStatuses:
+            case .favorites:
-                return NSLocalizedString("Trending Posts", comment: "trending statuses nav item title")
+                return NSLocalizedString("Favorites", comment: "favorites nav item title")
-            case .trendingTags:
+            case .trends:
-                return NSLocalizedString("Trending Hashtags", comment: "trending hashtags nav item title")
+                return NSLocalizedString("Trends", comment: "trends nav item title")
-            case .trendingLinks:
-                return NSLocalizedString("Trending Links", comment: "trending links nav item title")
-            case .profileDirectory:
-                return NSLocalizedString("Profile Directory", comment: "profile directory nav item title")
             case let .list(list):
                 return list.title
             case .addList:
@@ -462,14 +448,10 @@ extension ExploreViewController {
             switch self {
             case .bookmarks:
                 name = "bookmark.fill"
-            case .trendingStatuses:
+            case .favorites:
-                name = "doc.text.image"
+                name = "star.fill"
-            case .trendingTags:
+            case .trends:
-                name = "number"
+                name = "chart.line.uptrend.xyaxis"
-            case .trendingLinks:
-                name = "link"
-            case .profileDirectory:
-                name = "person.2.fill"
             case .list(_):
                 name = "list.bullet"
             case .addList, .addSavedHashtag:
@@ -488,13 +470,9 @@ extension ExploreViewController {
             switch (lhs, rhs) {
             case (.bookmarks, .bookmarks):
                 return true
-            case (.trendingStatuses, .trendingStatuses):
+            case (.favorites, .favorites):
                 return true
-            case (.trendingTags, .trendingTags):
+            case (.trends, .trends):
-                return true
-            case (.trendingLinks, .trendingLinks):
-                return true
-            case (.profileDirectory, .profileDirectory):
                 return true
             case let (.list(a), .list(b)):
                 return a.id == b.id && a.title == b.title
@@ -517,14 +495,10 @@ extension ExploreViewController {
             switch self {
             case .bookmarks:
                 hasher.combine("bookmarks")
-            case .trendingStatuses:
+            case .favorites:
-                hasher.combine("trendingStatuses")
+                hasher.combine("favorites")
-            case .trendingTags:
+            case .trends:
-                hasher.combine("trendingTags")
+                hasher.combine("trends")
-            case .trendingLinks:
-                hasher.combine("trendingLinks")
-            case .profileDirectory:
-                hasher.combine("profileDirectory")
             case let .list(list):
                 hasher.combine("list")
                 hasher.combine(list.id)

Tusker/Screens/Explore/InlineTrendsViewController.swift

@@ -0,0 +1,79 @@
+//
+//  InlineTrendsViewController.swift
+//  Tusker
+//
+//  Created by Shadowfacts on 6/24/20.
+//  Copyright © 2020 Shadowfacts. All rights reserved.
+//
+
+import UIKit
+
+class InlineTrendsViewController: UIViewController {
+
+    weak var mastodonController: MastodonController!
+    
+    var resultsController: SearchResultsViewController!
+    var searchController: UISearchController!
+    
+    var searchControllerStatusOnAppearance: Bool? = nil
+    
+    init(mastodonController: MastodonController) {
+        self.mastodonController = mastodonController
+        
+        super.init(nibName: nil, bundle: nil)
+        
+        title = NSLocalizedString("Explore", comment: "explore tab title")
+    }
+    
+    required init?(coder: NSCoder) {
+        fatalError("init(coder:) has not been implemented")
+    }
+    
+    override func viewDidLoad() {
+        super.viewDidLoad()
+
+        resultsController = SearchResultsViewController(mastodonController: mastodonController)
+        resultsController.exploreNavigationController = self.navigationController
+        searchController = UISearchController(searchResultsController: resultsController)
+        searchController.obscuresBackgroundDuringPresentation = true
+        if #available(iOS 16.0, *) {
+            searchController.scopeBarActivation = .onSearchActivation
+        }
+        searchController.searchBar.autocapitalizationType = .none
+        searchController.searchBar.delegate = resultsController
+        searchController.searchBar.scopeButtonTitles = SearchResultsViewController.Scope.allCases.map(\.title)
+        searchController.hidesNavigationBarDuringPresentation = false
+        definesPresentationContext = true
+
+        navigationItem.searchController = searchController
+        navigationItem.hidesSearchBarWhenScrolling = false
+        if #available(iOS 16.0, *) {
+            navigationItem.preferredSearchBarPlacement = .stacked
+        }
+        
+        let trends = TrendsViewController(mastodonController: mastodonController)
+        trends.view.translatesAutoresizingMaskIntoConstraints = false
+        addChild(trends)
+        view.addSubview(trends.view)
+        NSLayoutConstraint.activate([
+            trends.view.leadingAnchor.constraint(equalTo: view.leadingAnchor),
+            trends.view.trailingAnchor.constraint(equalTo: view.trailingAnchor),
+            trends.view.topAnchor.constraint(equalTo: view.topAnchor),
+            trends.view.bottomAnchor.constraint(equalTo: view.bottomAnchor),
+        ])
+        trends.didMove(toParent: self)
+    }
+    
+    override func viewDidAppear(_ animated: Bool) {
+        super.viewDidAppear(animated)
+        
+        // this is a workaround for the issue that setting isActive on a search controller that is not visible
+        // does not cause it to automatically become active once it becomes visible
+        // see FB7814561
+        if let active = searchControllerStatusOnAppearance {
+            searchController.isActive = active
+            searchControllerStatusOnAppearance = nil
+        }
+    }
+    
+}

Tusker/Screens/Explore/SuggestedProfileCardCollectionViewCell.swift

@@ -190,7 +190,7 @@ private struct SuggestionSourceView: View {
     var body: some View {
         VStack(alignment: .leading) {
             HStack {
-                Image(uiImage: source.image)
+                Image(uiImage: source.image.withRenderingMode(.alwaysTemplate))
                 Text(source.title)
                 Spacer()
             }

Tusker/Screens/Explore/TrendingStatusesViewController.swift

@@ -9,13 +9,13 @@
 import UIKit
 import Pachyderm
 
-class TrendingStatusesViewController: UIViewController {
+class TrendingStatusesViewController: UIViewController, CollectionViewController {
     
     weak var mastodonController: MastodonController!
     let filterer: Filterer
     
-    private var collectionView: UICollectionView {
+    var collectionView: UICollectionView! {
-        view as! UICollectionView
+        view as? UICollectionView
     }
     private var dataSource: UICollectionViewDiffableDataSource<Section, Item>!
     
@@ -110,6 +110,8 @@ class TrendingStatusesViewController: UIViewController {
     override func viewWillAppear(_ animated: Bool) {
         super.viewWillAppear(animated)
         
+        clearSelectionOnAppear(animated: animated)
+        
         if !loaded {
             loaded = true
             var snapshot = NSDiffableDataSourceSnapshot<Section, Item>()

Tusker/Screens/Explore/TrendsViewController.swift

@@ -1,36 +1,35 @@
 //
-//  SearchViewController.swift
+//  TrendsViewController.swift
 //  Tusker
 //
-//  Created by Shadowfacts on 6/24/20.
+//  Created by Shadowfacts on 2/5/23.
-//  Copyright © 2020 Shadowfacts. All rights reserved.
+//  Copyright © 2023 Shadowfacts. All rights reserved.
 //
 
 import UIKit
 import Pachyderm
 import SafariServices
-import WebURLFoundationExtras
 
-class SearchViewController: UIViewController, CollectionViewController {
+class TrendsViewController: UIViewController, CollectionViewController {
     
-    weak var mastodonController: MastodonController!
+    let mastodonController: MastodonController
     
     var collectionView: UICollectionView!
     private var dataSource: UICollectionViewDiffableDataSource<Section, Item>!
     
-    var resultsController: SearchResultsViewController!
-    var searchController: UISearchController!
-    
-    var searchControllerStatusOnAppearance: Bool? = nil
-    
     private var loadTask: Task<Void, Never>?
     
+    private var isShowingTrends = false
+    private var shouldShowTrends: Bool {
+        mastodonController.instanceFeatures.trends && !Preferences.shared.hideTrends
+    }
+    
     init(mastodonController: MastodonController) {
         self.mastodonController = mastodonController
         
         super.init(nibName: nil, bundle: nil)
         
-        title = NSLocalizedString("Explore", comment: "explore tab title")
+        title = "Trends"
     }
     
     required init?(coder: NSCoder) {
@@ -54,9 +53,9 @@ class SearchViewController: UIViewController, CollectionViewController {
                 let item = NSCollectionLayoutItem(layoutSize: itemSize)
                 let groupSize = NSCollectionLayoutSize(widthDimension: .absolute(250), heightDimension: .estimated(280))
                 let group = NSCollectionLayoutGroup.horizontal(layoutSize: groupSize, subitems: [item])
-                group.edgeSpacing = NSCollectionLayoutEdgeSpacing(leading: .fixed(8), top: nil, trailing: .fixed(8), bottom: nil)
+                group.contentInsets = NSDirectionalEdgeInsets(top: 0, leading: 8, bottom: 0, trailing: 8)
                 let section = NSCollectionLayoutSection(group: group)
-                section.orthogonalScrollingBehavior = .continuousGroupLeadingBoundary
+                section.orthogonalScrollingBehavior = .groupPaging
                 section.boundarySupplementaryItems = [
                     NSCollectionLayoutBoundarySupplementaryItem(layoutSize: NSCollectionLayoutSize(widthDimension: .fractionalWidth(1), heightDimension: .estimated(12)), elementKind: UICollectionView.elementKindSectionHeader, alignment: .topLeading)
                 ]
@@ -68,9 +67,9 @@ class SearchViewController: UIViewController, CollectionViewController {
                 let item = NSCollectionLayoutItem(layoutSize: itemSize)
                 let groupSize = NSCollectionLayoutSize(widthDimension: .absolute(350), heightDimension: .absolute(250))
                 let group = NSCollectionLayoutGroup.horizontal(layoutSize: groupSize, subitems: [item])
-                group.edgeSpacing = NSCollectionLayoutEdgeSpacing(leading: .fixed(8), top: nil, trailing: .fixed(8), bottom: nil)
+                group.contentInsets = NSDirectionalEdgeInsets(top: 0, leading: 8, bottom: 0, trailing: 8)
                 let section = NSCollectionLayoutSection(group: group)
-                section.orthogonalScrollingBehavior = .continuousGroupLeadingBoundary
+                section.orthogonalScrollingBehavior = .groupPaging
                 section.boundarySupplementaryItems = [
                     NSCollectionLayoutBoundarySupplementaryItem(layoutSize: NSCollectionLayoutSize(widthDimension: .fractionalWidth(1), heightDimension: .estimated(12)), elementKind: UICollectionView.elementKindSectionHeader, alignment: .topLeading)
                 ]
@@ -94,53 +93,9 @@ class SearchViewController: UIViewController, CollectionViewController {
         
         dataSource = createDataSource()
         
-        resultsController = SearchResultsViewController(mastodonController: mastodonController)
-        resultsController.exploreNavigationController = self.navigationController
-        searchController = UISearchController(searchResultsController: resultsController)
-        searchController.obscuresBackgroundDuringPresentation = true
-        if #available(iOS 16.0, *) {
-            searchController.scopeBarActivation = .onSearchActivation
-        }
-        searchController.searchBar.autocapitalizationType = .none
-        searchController.searchBar.delegate = resultsController
-        searchController.searchBar.scopeButtonTitles = SearchResultsViewController.Scope.allCases.map(\.title)
-        searchController.hidesNavigationBarDuringPresentation = false
-        definesPresentationContext = true
-        
-        navigationItem.searchController = searchController
-        navigationItem.hidesSearchBarWhenScrolling = false
-        if #available(iOS 16.0, *) {
-            navigationItem.preferredSearchBarPlacement = .stacked
-        }
-        
         NotificationCenter.default.addObserver(self, selector: #selector(preferencesChanged), name: .preferencesChanged, object: nil)
     }
     
-    override func viewWillAppear(_ animated: Bool) {
-        super.viewWillAppear(animated)
-        
-        clearSelectionOnAppear(animated: animated)
-        
-        loadTask?.cancel()
-        loadTask = Task(priority: .userInitiated) {
-            if (try? await mastodonController.getOwnInstance()) != nil {
-                await applySnapshot()
-            }
-        }
-    }
-    
-    override func viewDidAppear(_ animated: Bool) {
-        super.viewDidAppear(animated)
-        
-        // this is a workaround for the issue that setting isActive on a search controller that is not visible
-        // does not cause it to automatically become active once it becomes visible
-        // see FB7814561
-        if let active = searchControllerStatusOnAppearance {
-            searchController.isActive = active
-            searchControllerStatusOnAppearance = nil
-        }
-    }
-    
     private func createDataSource() -> UICollectionViewDiffableDataSource<Section, Item> {
         let sectionHeaderCell = UICollectionView.SupplementaryRegistration<UICollectionViewListCell>(elementKind: UICollectionView.elementKindSectionHeader) { [unowned self] (headerView, collectionView, indexPath) in
             let section = self.dataSource.snapshot().sectionIdentifiers[indexPath.section]
@@ -190,10 +145,27 @@ class SearchViewController: UIViewController, CollectionViewController {
         return dataSource
     }
     
+    override func viewWillAppear(_ animated: Bool) {
+        super.viewWillAppear(animated)
+        
+        clearSelectionOnAppear(animated: animated)
+        
+        if loadTask == nil {
+            loadTask = Task(priority: .userInitiated) {
+                if (try? await mastodonController.getOwnInstance()) != nil {
+                    await loadTrends()
+                }
+            }
+        }
+    }
+    
     @MainActor
-    private func applySnapshot() async {
+    private func loadTrends() async {
-        guard mastodonController.instanceFeatures.trends,
+        guard isShowingTrends != shouldShowTrends else {
-              !Preferences.shared.hideDiscover else {
+            return
+        }
+        isShowingTrends = shouldShowTrends
+        guard shouldShowTrends else {
             await dataSource.apply(NSDiffableDataSourceSnapshot())
             return
         }
@@ -246,9 +218,11 @@ class SearchViewController: UIViewController, CollectionViewController {
     }
     
     @objc private func preferencesChanged() {
-        loadTask?.cancel()
+        if isShowingTrends != shouldShowTrends {
-        loadTask = Task {
+            loadTask?.cancel()
-            await applySnapshot()
+            loadTask = Task {
+                await loadTrends()
+            }
         }
     }
     
@@ -275,10 +249,9 @@ class SearchViewController: UIViewController, CollectionViewController {
             self.showToast(configuration: config, animated: true)
         }
     }
-
 }
 
-extension SearchViewController {
+extension TrendsViewController {
     enum Section {
         case trendingHashtags
         case trendingLinks
@@ -304,7 +277,7 @@ extension SearchViewController {
         case link(Card)
         case account(String, Suggestion.Source)
         
-        static func == (lhs: SearchViewController.Item, rhs: SearchViewController.Item) -> Bool {
+        static func == (lhs: Item, rhs: Item) -> Bool {
             switch (lhs, rhs) {
             case let (.status(a, _), .status(b, _)):
                 return a == b
@@ -338,7 +311,7 @@ extension SearchViewController {
     }
 }
 
-extension SearchViewController: UICollectionViewDelegate {
+extension TrendsViewController: UICollectionViewDelegate {
     func collectionView(_ collectionView: UICollectionView, didSelectItemAt indexPath: IndexPath) {
         guard let item = dataSource.itemIdentifier(for: indexPath) else {
             return
@@ -445,7 +418,7 @@ extension SearchViewController: UICollectionViewDelegate {
     }
 }
 
-extension SearchViewController: UICollectionViewDragDelegate {
+extension TrendsViewController: UICollectionViewDragDelegate {
     func collectionView(_ collectionView: UICollectionView, itemsForBeginning session: UIDragSession, at indexPath: IndexPath) -> [UIDragItem] {
         guard let item = dataSource.itemIdentifier(for: indexPath) else {
                   return []
@@ -492,17 +465,17 @@ extension SearchViewController: UICollectionViewDragDelegate {
     }
 }
 
-extension SearchViewController: TuskerNavigationDelegate {
+extension TrendsViewController: TuskerNavigationDelegate {
     var apiController: MastodonController! { mastodonController }
 }
 
-extension SearchViewController: ToastableViewController {
+extension TrendsViewController: ToastableViewController {
 }
 
-extension SearchViewController: MenuActionProvider {
+extension TrendsViewController: MenuActionProvider {
 }
 
-extension SearchViewController: StatusCollectionViewCellDelegate {
+extension TrendsViewController: StatusCollectionViewCellDelegate {
     func statusCellNeedsReconfigure(_ cell: StatusCollectionViewCell, animated: Bool, completion: (() -> Void)?) {
         if let indexPath = collectionView.indexPath(for: cell) {
             var snapshot = dataSource.snapshot()

Tusker/Screens/Fast Account Switcher/FastAccountSwitcherViewController.swift

@@ -42,6 +42,8 @@ class FastAccountSwitcherViewController: UIViewController {
 
         view.isHidden = true
         
+        view.accessibilityViewIsModal = true
+        
         view.addGestureRecognizer(UITapGestureRecognizer(target: self, action: #selector(handleTap(_:))))
         accountsStack.addGestureRecognizer(UIPanGestureRecognizer(target: self, action: #selector(handlePan(_:))))
     }
@@ -67,10 +69,16 @@ class FastAccountSwitcherViewController: UIViewController {
         
         view.isHidden = false
         
+        func completion() {
+            UIAccessibility.post(notification: .screenChanged, argument: accountViews.first)
+        }
+        
         if UIAccessibility.prefersCrossFadeTransitions {
             view.alpha = 0
             UIView.animate(withDuration: 0.2, delay: 0, options: [.curveEaseInOut, .allowUserInteraction]) {
                 self.view.alpha = 1
+            } completion: { _ in
+                completion()
             }
         } else {
             let totalDuration: TimeInterval = 0.5
@@ -95,6 +103,8 @@ class FastAccountSwitcherViewController: UIViewController {
                         accountView.transform = .identity
                     }
                 }
+            } completion: { _ in
+                completion()
             }
         }
     }
@@ -114,6 +124,8 @@ class FastAccountSwitcherViewController: UIViewController {
             self.view.isHidden = true
             completion?()
             self.view.removeFromSuperview()
+            
+            UIAccessibility.post(notification: .screenChanged, argument: nil)
         }
     }
     
@@ -272,6 +284,14 @@ class FastAccountSwitcherViewController: UIViewController {
         super.touchesBegan(touches, with: event)
     }
     
+    override func accessibilityPerformEscape() -> Bool {
+        guard !view.isHidden else {
+            return false
+        }
+        hide()
+        return true
+    }
+
 }
 
 extension FastAccountSwitcherViewController {

Tusker/Screens/Fast Account Switcher/FastSwitchingAccountView.swift

@@ -117,6 +117,8 @@ class FastSwitchingAccountView: UIView {
         }
         
         updateLabelColors()
+        
+        isAccessibilityElement = true
     }
     
     private func setupAccount(account: LocalData.UserAccountInfo) {
@@ -134,12 +136,16 @@ class FastSwitchingAccountView: UIView {
                 }
             }
         }
+        
+        accessibilityLabel = "\(account.username!)@\(account.instanceURL.host!)"
     }
     
     private func setupPlaceholder() {
         usernameLabel.text = "Add Account"
         instanceLabel.isHidden = true
         avatarImageView.image = UIImage(systemName: "plus")
+        
+        accessibilityLabel = "Add Account"
     }
     
     private func updateLabelColors() {

Tusker/Screens/Local Predicate Statuses List/BookmarksViewController.swift

@@ -0,0 +1,27 @@
+//
+//  BookmarksViewController.swift
+//  Tusker
+//
+//  Created by Shadowfacts on 12/15/19.
+//  Copyright © 2019 Shadowfacts. All rights reserved.
+//
+
+import UIKit
+import Pachyderm
+
+class BookmarksViewController: LocalPredicateStatusesViewController {
+    
+    init(mastodonController: MastodonController) {
+        super.init(
+            predicate: { $0.bookmarked ?? false },
+            predicateTitle: "Bookmarks",
+            request: { Client.getBookmarks(range: $0) },
+            mastodonController: mastodonController
+        )
+    }
+    
+    required init?(coder: NSCoder) {
+        fatalError("init(coder:) has not been implemented")
+    }
+
+}

Tusker/Screens/Local Predicate Statuses List/FavoritesViewController.swift

@@ -0,0 +1,27 @@
+//
+//  FavoritesViewController.swift
+//  Tusker
+//
+//  Created by Shadowfacts on 2/4/23.
+//  Copyright © 2023 Shadowfacts. All rights reserved.
+//
+
+import UIKit
+import Pachyderm
+
+class FavoritesViewController: LocalPredicateStatusesViewController {
+
+    init(mastodonController: MastodonController) {
+        super.init(
+            predicate: \.favourited,
+            predicateTitle: "Favorites",
+            request: { Client.getFavourites(range: $0) },
+            mastodonController: mastodonController
+        )
+    }
+    
+    required init?(coder: NSCoder) {
+        fatalError("init(coder:) has not been implemented")
+    }
+
+}

Tusker/Screens/Local Predicate Statuses List/LocalPredicateStatusesViewController.swift

@@ -1,20 +1,23 @@
 //
-//  BookmarksViewController.swift
+//  LocalPredicateStatusesViewController.swift
 //  Tusker
 //
-//  Created by Shadowfacts on 12/15/19.
+//  Created by Shadowfacts on 2/4/23.
-//  Copyright © 2019 Shadowfacts. All rights reserved.
+//  Copyright © 2023 Shadowfacts. All rights reserved.
 //
 
 import UIKit
 import Pachyderm
 import CoreData
 
-class BookmarksViewController: UIViewController, CollectionViewController, RefreshableViewController {
+class LocalPredicateStatusesViewController: UIViewController, CollectionViewController, RefreshableViewController {
     
     private static let pageSize = 40
     
     let mastodonController: MastodonController
+    private let predicate: (StatusMO) -> Bool
+    private let predicateTitle: String
+    private let request: (RequestRange) -> Request<[Status]>
     
     var collectionView: UICollectionView! {
         view as? UICollectionView
@@ -25,12 +28,15 @@ class BookmarksViewController: UIViewController, CollectionViewController, Refre
     private var newer: RequestRange?
     private var older: RequestRange?
     
-    init(mastodonController: MastodonController) {
+    init(predicate: @escaping (StatusMO) -> Bool, predicateTitle: String, request: @escaping (RequestRange) -> Request<[Status]>, mastodonController: MastodonController) {
         self.mastodonController = mastodonController
+        self.predicate = predicate
+        self.predicateTitle = predicateTitle
+        self.request = request
         
         super.init(nibName: nil, bundle: nil)
         
-        title = NSLocalizedString("Bookmarks", comment: "bookmarks screen title")
+        self.title = predicateTitle
     }
     
     required init?(coder: NSCoder) {
@@ -51,7 +57,7 @@ class BookmarksViewController: UIViewController, CollectionViewController, Refre
                 return sectionConfig
             }
             var config = sectionConfig
-            if item.hideIndicators {
+            if item.hideSeparators {
                 config.topSeparatorVisibility = .hidden
                 config.bottomSeparatorVisibility = .hidden
             } else {
@@ -101,7 +107,7 @@ class BookmarksViewController: UIViewController, CollectionViewController, Refre
         collectionView.refreshControl!.addTarget(self, action: #selector(refresh), for: .valueChanged)
         #endif
         
-        addKeyCommand(MenuController.refreshCommand(discoverabilityTitle: "Refresh Bookmarks"))
+        addKeyCommand(MenuController.refreshCommand(discoverabilityTitle: "Refresh \(predicateTitle)"))
         
         NotificationCenter.default.addObserver(self, selector: #selector(handleStatusDeleted), name: .statusDeleted, object: nil)
         NotificationCenter.default.addObserver(self, selector: #selector(managedObjectsDidChange), name: .NSManagedObjectContextObjectsDidChange, object: mastodonController.persistentContainer.viewContext)
@@ -130,12 +136,12 @@ class BookmarksViewController: UIViewController, CollectionViewController, Refre
         state = .loadingInitial
         
         var snapshot = NSDiffableDataSourceSnapshot<Section, Item>()
-        snapshot.appendSections([.bookmarks])
+        snapshot.appendSections([.statuses])
         snapshot.appendItems([.loadingIndicator])
         await apply(snapshot: snapshot, animatingDifferences: false)
         
         do {
-            let req = Client.getBookmarks(range: .count(BookmarksViewController.pageSize))
+            let req = request(.count(Self.pageSize))
             let (statuses, pagination) = try await mastodonController.run(req)
             newer = pagination?.newer
             older = pagination?.older
@@ -143,14 +149,14 @@ class BookmarksViewController: UIViewController, CollectionViewController, Refre
             await mastodonController.persistentContainer.addAll(statuses: statuses)
             
             var snapshot = NSDiffableDataSourceSnapshot<Section, Item>()
-            snapshot.appendSections([.bookmarks])
+            snapshot.appendSections([.statuses])
             snapshot.appendItems(statuses.map { .status(id: $0.id, state: .unknown, addedLocally: false) })
             await apply(snapshot: snapshot, animatingDifferences: true)
             
             state = .loaded
             
         } catch {
-            let config = ToastConfiguration(from: error, with: "Error Loading Bookmarks", in: self) { [weak self] toast in
+            let config = ToastConfiguration(from: error, with: "Error Loading \(predicateTitle)", in: self) { [weak self] toast in
                 toast.dismissToast(animated: true)
                 await self?.loadInitial()
             }
@@ -175,7 +181,7 @@ class BookmarksViewController: UIViewController, CollectionViewController, Refre
         await apply(snapshot: snapshot, animatingDifferences: false)
         
         do {
-            let req = Client.getBookmarks(range: older.withCount(BookmarksViewController.pageSize))
+            let req = request(older.withCount(Self.pageSize))
             let (statuses, pagination) = try await mastodonController.run(req)
             self.older = pagination?.older
             
@@ -185,12 +191,13 @@ class BookmarksViewController: UIViewController, CollectionViewController, Refre
             snapshot.appendItems(statuses.map { .status(id: $0.id, state: .unknown, addedLocally: false) })
             await apply(snapshot: snapshot, animatingDifferences: true)
         } catch {
-            let config = ToastConfiguration(from: error, with: "Error Loading Older Bookmarks", in: self) { [weak self] toast in
+            let config = ToastConfiguration(from: error, with: "Error Loading Older \(predicateTitle)", in: self) { [weak self] toast in
                 toast.dismissToast(animated: true)
                 await self?.loadOlder()
             }
             showToast(configuration: config, animated: true)
             
+            var snapshot = dataSource.snapshot()
             snapshot.deleteItems([.loadingIndicator])
             await apply(snapshot: snapshot, animatingDifferences: false)
         }
@@ -235,7 +242,7 @@ class BookmarksViewController: UIViewController, CollectionViewController, Refre
         }
         var hasChanges = false
         if let inserted = notification.userInfo?[NSInsertedObjectsKey] as? Set<NSManagedObject> {
-            for case let status as StatusMO in inserted where status.bookmarked == true {
+            for case let status as StatusMO in inserted where predicate(status) {
                 prepend(item: .status(id: status.id, state: .unknown, addedLocally: true))
                 hasChanges = true
             }
@@ -244,10 +251,10 @@ class BookmarksViewController: UIViewController, CollectionViewController, Refre
             for case let status as StatusMO in updated {
                 let item = Item.status(id: status.id, state: .unknown, addedLocally: true)
                 let exists = snapshot.itemIdentifiers.contains(item)
-                if status.bookmarked == true && !exists {
+                if predicate(status) && !exists {
                     prepend(item: item)
                     hasChanges = true
-                } else if status.bookmarked == false && exists {
+                } else if !predicate(status) && exists {
                     snapshot.deleteItems([item])
                     hasChanges = true
                 }
@@ -273,22 +280,21 @@ class BookmarksViewController: UIViewController, CollectionViewController, Refre
         state = .loadingNewer
         
         Task {
-            
             do {
-                let req = Client.getBookmarks(range: newer.withCount(BookmarksViewController.pageSize))
+                let req = request(newer.withCount(Self.pageSize))
                 let (statuses, pagination) = try await mastodonController.run(req)
                 self.newer = pagination?.newer
                 
                 await mastodonController.persistentContainer.addAll(statuses: statuses)
                 
                 var snapshot = dataSource.snapshot()
-                let localItems: [String: CollapseState] = Dictionary(uniqueKeysWithValues: snapshot.itemIdentifiers.compactMap({
+                let localItems: [String: CollapseState] = Dictionary(uniqueKeysWithValues: snapshot.itemIdentifiers.compactMap {
                     if case .status(id: let id, state: let state, addedLocally: true) = $0 {
                         return (id, state)
                     } else {
                         return nil
                     }
-                }))
+                })
                 var newItems: [Item] = []
                 for status in statuses {
                     let state: CollapseState
@@ -306,8 +312,9 @@ class BookmarksViewController: UIViewController, CollectionViewController, Refre
                     snapshot.appendItems(newItems)
                 }
                 await apply(snapshot: snapshot, animatingDifferences: true)
+                
             } catch {
-                let config = ToastConfiguration(from: error, with: "Error Refreshing Bookmarks", in: self) { [weak self] toast in
+                let config = ToastConfiguration(from: error, with: "Error Refreshing \(predicateTitle)", in: self) { [weak self] toast in
                     toast.dismissToast(animated: true)
                     self?.refresh()
                 }
@@ -323,15 +330,15 @@ class BookmarksViewController: UIViewController, CollectionViewController, Refre
 
 }
 
-extension BookmarksViewController {
+extension LocalPredicateStatusesViewController {
     enum Section {
-        case bookmarks
+        case statuses
     }
     enum Item: Equatable, Hashable {
         case status(id: String, state: CollapseState, addedLocally: Bool)
         case loadingIndicator
         
-        var hideIndicators: Bool {
+        var hideSeparators: Bool {
             switch self {
             case .loadingIndicator:
                 return true
@@ -363,7 +370,7 @@ extension BookmarksViewController {
     }
 }
 
-extension BookmarksViewController {
+extension LocalPredicateStatusesViewController {
     enum State {
         case unloaded
         case loadingInitial
@@ -373,7 +380,7 @@ extension BookmarksViewController {
     }
 }
 
-extension BookmarksViewController: UICollectionViewDelegate {
+extension LocalPredicateStatusesViewController: UICollectionViewDelegate {
     func collectionView(_ collectionView: UICollectionView, willDisplay cell: UICollectionViewCell, forItemAt indexPath: IndexPath) {
         if indexPath.section == 0,
            indexPath.row == collectionView.numberOfItems(inSection: indexPath.section) - 1 {
@@ -398,7 +405,7 @@ extension BookmarksViewController: UICollectionViewDelegate {
     }
     
     func collectionView(_ collectionView: UICollectionView, contextMenuConfigurationForItemAt indexPath: IndexPath, point: CGPoint) -> UIContextMenuConfiguration? {
-        (collectionView.cellForItem(at: indexPath) as? TimelineStatusCollectionViewCell)?.contextMenuConfiguration()
+        return (collectionView.cellForItem(at: indexPath) as? TimelineStatusCollectionViewCell)?.contextMenuConfiguration()
     }
     
     func collectionView(_ collectionView: UICollectionView, willPerformPreviewActionForMenuWith configuration: UIContextMenuConfiguration, animator: UIContextMenuInteractionCommitAnimating) {
@@ -406,17 +413,17 @@ extension BookmarksViewController: UICollectionViewDelegate {
     }
 }
 
-extension BookmarksViewController: UICollectionViewDragDelegate {
+extension LocalPredicateStatusesViewController: UICollectionViewDragDelegate {
     func collectionView(_ collectionView: UICollectionView, itemsForBeginning session: UIDragSession, at indexPath: IndexPath) -> [UIDragItem] {
-        (collectionView.cellForItem(at: indexPath) as? TimelineStatusCollectionViewCell)?.dragItemsForBeginning(session: session) ?? []
+        return (collectionView.cellForItem(at: indexPath) as? TimelineStatusCollectionViewCell)?.dragItemsForBeginning(session: session) ?? []
     }
 }
 
-extension BookmarksViewController: TuskerNavigationDelegate {
+extension LocalPredicateStatusesViewController: TuskerNavigationDelegate {
     var apiController: MastodonController! { mastodonController }
 }
 
-extension BookmarksViewController: StatusCollectionViewCellDelegate {
+extension LocalPredicateStatusesViewController: StatusCollectionViewCellDelegate {
     func statusCellNeedsReconfigure(_ cell: StatusCollectionViewCell, animated: Bool, completion: (() -> Void)?) {
         if let indexPath = collectionView.indexPath(for: cell) {
             var snapshot = dataSource.snapshot()
@@ -426,17 +433,17 @@ extension BookmarksViewController: StatusCollectionViewCellDelegate {
     }
     
     func statusCellShowFiltered(_ cell: StatusCollectionViewCell) {
-        // bookmarks aren't filtered
+        // filtering isn't supported here
     }
 }
 
-extension BookmarksViewController: TabBarScrollableViewController {
+extension LocalPredicateStatusesViewController: TabBarScrollableViewController {
     func tabBarScrollToTop() {
         collectionView.scrollToTop()
     }
 }
 
-extension BookmarksViewController: StatusBarTappableViewController {
+extension LocalPredicateStatusesViewController: StatusBarTappableViewController {
     func handleStatusBarTapped(xPosition: CGFloat) -> StatusBarTapActionResult {
         collectionView.scrollToTop()
         return .stop

Tusker/Screens/Main/MainSidebarViewController.swift

@@ -41,7 +41,7 @@ class MainSidebarViewController: UIViewController {
     }
     
     var exploreTabItems: [Item] {
-        var items: [Item] = [.explore, .bookmarks, .profileDirectory]
+        var items: [Item] = [.explore, .bookmarks, .favorites]
         let snapshot = dataSource.snapshot()
         for case let .list(list) in snapshot.itemIdentifiers(inSection: .lists) {
             items.append(.list(list))
@@ -104,7 +104,6 @@ class MainSidebarViewController: UIViewController {
         select(item: .tab(.timelines), animated: false)
         
         NotificationCenter.default.addObserver(self, selector: #selector(reloadSavedInstances), name: .savedInstancesChanged, object: nil)
-        NotificationCenter.default.addObserver(self, selector: #selector(preferencesChanged), name: .preferencesChanged, object: nil)
         
         mastodonController.$lists
             .sink { [unowned self] in self.reloadLists($0) }
@@ -166,47 +165,26 @@ class MainSidebarViewController: UIViewController {
 
     private func applyInitialSnapshot() {
         var snapshot = NSDiffableDataSourceSnapshot<Section, Item>()
-        snapshot.appendSections(Section.allCases.filter { $0 != .discover })
+        snapshot.appendSections(Section.allCases)
         snapshot.appendItems([
             .tab(.timelines),
             .tab(.notifications),
             .explore,
             .bookmarks,
+            .favorites,
             .tab(.myProfile)
         ], toSection: .tabs)
         snapshot.appendItems([
             .tab(.compose)
         ], toSection: .compose)
-        if mastodonController.instanceFeatures.trends,
-           !Preferences.shared.hideDiscover {
-            snapshot.insertSections([.discover], afterSection: .compose)
-        }
         dataSource.apply(snapshot, animatingDifferences: false)
         
-        applyDiscoverSectionSnapshot()
         reloadLists(mastodonController.lists)
         updateHashtagsSection(followed: mastodonController.followedHashtags)
         reloadSavedInstances()
     }
     
-    private func applyDiscoverSectionSnapshot() {
-        var discoverSnapshot = NSDiffableDataSourceSectionSnapshot<Item>()
-        discoverSnapshot.append([.discoverHeader])
-        discoverSnapshot.append([
-            .profileDirectory,
-        ], to: .discoverHeader)
-        dataSource.apply(discoverSnapshot, to: .discover)
-    }
-    
     private func ownInstanceLoaded(_ instance: Instance) {
-        if mastodonController.instanceFeatures.trends {
-            var snapshot = self.dataSource.snapshot()
-            if !snapshot.sectionIdentifiers.contains(.discover) {
-                snapshot.appendSections([.discover])
-                dataSource.apply(snapshot, animatingDifferences: false)
-            }
-            applyDiscoverSectionSnapshot()
-        }
         let prevSelected = collectionView.indexPathsForSelectedItems
         
         if let prevSelected = prevSelected?.first {
@@ -289,22 +267,6 @@ class MainSidebarViewController: UIViewController {
         self.dataSource.apply(instancesSnapshot, to: .savedInstances)
     }
     
-    @objc private func preferencesChanged() {
-        var snapshot = dataSource.snapshot()
-        let hasSection = snapshot.sectionIdentifiers.contains(.discover)
-        let hide = Preferences.shared.hideDiscover
-        if hasSection && hide {
-            snapshot.deleteSections([.discover])
-            dataSource.apply(snapshot)
-        } else if !hasSection && !hide {
-            snapshot.insertSections([.discover], afterSection: .compose)
-            dataSource.apply(snapshot)
-            applyDiscoverSectionSnapshot()
-        } else {
-            return
-        }
-    }
-    
     private func returnToPreviousItem() {
         let item = previouslySelectedItem ?? .tab(.timelines)
         previouslySelectedItem = nil
@@ -377,15 +339,13 @@ extension MainSidebarViewController {
     enum Section: Int, Hashable, CaseIterable {
         case tabs
         case compose
-        case discover
         case lists
         case savedHashtags
         case savedInstances
     }
     enum Item: Hashable {
         case tab(MainTabBarViewController.Tab)
-        case explore, bookmarks
+        case explore, bookmarks, favorites
-        case discoverHeader, profileDirectory
         case listsHeader, list(List), addList
         case savedHashtagsHeader, savedHashtag(Hashtag), addSavedHashtag
         case savedInstancesHeader, savedInstance(URL), addSavedInstance
@@ -398,10 +358,8 @@ extension MainSidebarViewController {
                 return "Explore"
             case .bookmarks:
                 return "Bookmarks"
-            case .discoverHeader:
+            case .favorites:
-                return "Discover"
+                return "Favorites"
-            case .profileDirectory:
-                return "Profile Directory"
             case .listsHeader:
                 return "Lists"
             case let .list(list):
@@ -431,15 +389,15 @@ extension MainSidebarViewController {
                 return "magnifyingglass"
             case .bookmarks:
                 return "bookmark"
-            case .profileDirectory:
+            case .favorites:
-                return "person.2.fill"
+                return "star"
             case .list(_):
                 return "list.bullet"
             case .savedHashtag(_):
                 return "number"
             case .savedInstance(_):
                 return "globe"
-            case .discoverHeader, .listsHeader, .savedHashtagsHeader, .savedInstancesHeader:
+            case .listsHeader, .savedHashtagsHeader, .savedInstancesHeader:
                 return nil
             case .addList, .addSavedHashtag, .addSavedInstance:
                 return "plus"
@@ -448,7 +406,7 @@ extension MainSidebarViewController {
         
         var hasChildren: Bool {
             switch self {
-            case .discoverHeader, .listsHeader, .savedHashtagsHeader, .savedInstancesHeader:
+            case .listsHeader, .savedHashtagsHeader, .savedInstancesHeader:
                 return true
             default:
                 return false

Tusker/Screens/Main/MainSplitViewController.swift

@@ -217,7 +217,7 @@ extension MainSplitViewController: UISplitViewControllerDelegate {
             // Make sure viewDidLoad is called so that the searchController/resultsController have been initialized
             explore.loadViewIfNeeded()
             
-            let search = secondaryNavController.viewControllers.first as! SearchViewController
+            let search = secondaryNavController.viewControllers.first as! InlineTrendsViewController
             // Copy the search query from the search VC to the Explore VC's search controller.
             let query = search.searchController.searchBar.text ?? ""
             explore.searchController.searchBar.text = query
@@ -232,15 +232,15 @@ extension MainSplitViewController: UISplitViewControllerDelegate {
             
             tabBarViewController.select(tab: .explore)
             
-        case .bookmarks, .profileDirectory, .list(_), .savedHashtag(_), .savedInstance(_):
+        case .bookmarks, .favorites, .list(_), .savedHashtag(_), .savedInstance(_):
             tabBarViewController.select(tab: .explore)
-            // Make sure the Explore VC doesn't show it's search bar when it appears, in case the user was previously
+            // Make sure the Explore VC doesn't show its search bar when it appears, in case the user was previously
             // in compact mode and performing a search.
             let exploreNav = tabBarViewController.viewController(for: .explore) as! UINavigationController
             let explore = exploreNav.viewControllers.first as! ExploreViewController
             explore.searchControllerStatusOnAppearance = false
             
-        case .discoverHeader, .listsHeader, .addList, .savedHashtagsHeader, .addSavedHashtag, .savedInstancesHeader, .addSavedInstance:
+        case .listsHeader, .addList, .savedHashtagsHeader, .addSavedHashtag, .savedInstancesHeader, .addSavedInstance:
             // These items are not selectable in the sidebar collection view, so this code is unreachable.
             fatalError("unexpected selected sidebar item: \(sidebar.selectedItem!)")
         }
@@ -285,7 +285,9 @@ extension MainSplitViewController: UISplitViewControllerDelegate {
                 // Search screen has special considerations, all others can be transferred directly.
                 if tabNavigationStack.count == 1 || ((tabNavigationStack.first as? ExploreViewController)?.searchController?.isActive ?? false) {
                     exploreItem = .explore
-                    let searchVC = SearchViewController(mastodonController: mastodonController)
+                    // reuse the existing VC, if there is one
+                    let searchVC = getOrCreateNavigationStack(item: .explore).first! as! InlineTrendsViewController
+                    // load the view so that the search controller is accessible
                     searchVC.loadViewIfNeeded()
                     let explore = tabNavigationStack.first as! ExploreViewController
                     if let exploreSearchControler = explore.searchController,
@@ -303,6 +305,8 @@ extension MainSplitViewController: UISplitViewControllerDelegate {
                     switch tabNavigationStack[1] {
                     case is BookmarksViewController:
                         exploreItem = .bookmarks
+                    case is FavoritesViewController:
+                        exploreItem = .favorites
                     case let listVC as ListTimelineViewController:
                         exploreItem = .list(listVC.list)
                     case let hashtagVC as HashtagTimelineViewController:
@@ -313,10 +317,11 @@ extension MainSplitViewController: UISplitViewControllerDelegate {
                         exploreItem = .explore
                         // these three VCs are part of the root SearchViewController, so we don't need to transfer them
                         skipFirst = 2
-                    case is ProfileDirectoryViewController:
-                        exploreItem = .profileDirectory
                     default:
-                        fatalError("unhandled second-level explore screen: \(tabNavigationStack[1])")
+                        // transfer the navigation stack prepending, the existing explore VC
+                        // if there was other stuff on the explore stack, it will get discarded
+                        toPrepend = getOrCreateNavigationStack(item: .explore).first!
+                        exploreItem = .explore
                     }
                 }
                 transferNavigationStack(from: tabNavController, to: exploreItem!, skipFirst: skipFirst, prepend: toPrepend)
@@ -372,18 +377,18 @@ fileprivate extension MainSidebarViewController.Item {
         case let .tab(tab):
             return tab.createViewController(mastodonController)
         case .explore:
-            return SearchViewController(mastodonController: mastodonController)
+            return InlineTrendsViewController(mastodonController: mastodonController)
         case .bookmarks:
             return BookmarksViewController(mastodonController: mastodonController)
-        case .profileDirectory:
+        case .favorites:
-            return ProfileDirectoryViewController(mastodonController: mastodonController)
+            return FavoritesViewController(mastodonController: mastodonController)
         case let .list(list):
             return ListTimelineViewController(for: list, mastodonController: mastodonController)
         case let .savedHashtag(hashtag):
             return HashtagTimelineViewController(for: hashtag, mastodonController: mastodonController)
         case let .savedInstance(url):
             return InstanceTimelineViewController(for: url, parentMastodonController: mastodonController)
-        case .discoverHeader, .listsHeader, .addList, .savedHashtagsHeader, .addSavedHashtag, .savedInstancesHeader, .addSavedInstance:
+        case .listsHeader, .addList, .savedHashtagsHeader, .addSavedHashtag, .savedInstancesHeader, .addSavedInstance:
             return nil
         }
     }
@@ -473,7 +478,7 @@ extension MainSplitViewController: TuskerRootViewController {
             select(item: .explore)
         }
         
-        guard let searchViewController = secondaryNavController.viewControllers.first as? SearchViewController else {
+        guard let searchViewController = secondaryNavController.viewControllers.first as? InlineTrendsViewController else {
             return
         }
         

Tusker/Screens/Notifications/NotificationsTableViewController.swift

@@ -297,6 +297,7 @@ class NotificationsTableViewController: DiffableTimelineLikeTableViewController<
                 completion(true)
             }
         }
+        dismissAction.accessibilityLabel = "Dismiss Notification"
         dismissAction.image = UIImage(systemName: "clear.fill")
         
         let cellConfiguration = (tableView.cellForRow(at: indexPath) as? TableViewSwipeActionProvider)?.trailingSwipeActionsConfiguration()

Tusker/Screens/Preferences/AppearancePrefsView.swift

@@ -27,6 +27,21 @@ struct AppearancePrefsView : View {
         Preferences.shared.avatarStyle = $0 ? .circle : .roundRect
     }
     
+    private let accentColorsAndImages: [(Preferences.AccentColor, UIImage?)] = Preferences.AccentColor.allCases.map { color in
+        var image: UIImage?
+        if let color = color.color {
+            if #available(iOS 16.0, *) {
+                image = UIImage(systemName: "circle.fill")!.withTintColor(color, renderingMode: .alwaysTemplate).withRenderingMode(.alwaysOriginal)
+            } else {
+                image = UIGraphicsImageRenderer(size: CGSize(width: 20, height: 20)).image { context in
+                    color.setFill()
+                    context.cgContext.fillEllipse(in: CGRect(x: 0, y: 0, width: 20, height: 20))
+                }
+            }
+        }
+        return (color, image)
+    }
+
     var body: some View {
         List {
             themeSection
@@ -51,12 +66,12 @@ struct AppearancePrefsView : View {
             }
             
             Picker(selection: $preferences.accentColor, label: Text("Accent Color")) {
-                ForEach(Preferences.AccentColor.allCases, id: \.rawValue) { color in
+                ForEach(accentColorsAndImages, id: \.0.rawValue) { (color, image) in
                     HStack {
                         Text(color.name)
-                        if let color = color.color {
+                        if let image {
                             Spacer()
-                            Image(uiImage: UIImage(systemName: "circle.fill")!.withTintColor(color, renderingMode: .alwaysTemplate).withRenderingMode(.alwaysOriginal))
+                            Image(uiImage: image)
                         }
                     }
                     .tag(color)

Tusker/Screens/Preferences/WellnessPrefsView.swift

@@ -17,7 +17,7 @@ struct WellnessPrefsView: View {
             notificationsMode
             grayscaleImages
             disableInfiniteScrolling
-            hideDiscover
+            hideTrends
         }
         .listStyle(.insetGrouped)
         .appGroupedScrollBackgroundIfAvailable()
@@ -62,10 +62,10 @@ struct WellnessPrefsView: View {
         .listRowBackground(Color.appGroupedCellBackground)
     }
     
-    private var hideDiscover: some View {
+    private var hideTrends: some View {
-        Section(footer: Text("Do not show the Discover section (Trends, Profile Directory) of the Explore screen or sidebar.")) {
+        Section(footer: Text("Do not show Trends (hashtags, links, posts, suggested accounts) on the Explore screen.")) {
-            Toggle(isOn: $preferences.hideDiscover) {
+            Toggle(isOn: $preferences.hideTrends) {
-                Text("Hide Discover Section")
+                Text("Hide Trends")
             }
         }
         .listRowBackground(Color.appGroupedCellBackground)

Tusker/Screens/Profile/ProfileViewController.swift

@@ -335,12 +335,14 @@ extension ProfileViewController: TabbedPageViewController {
 
 extension ProfileViewController: TabBarScrollableViewController {
     func tabBarScrollToTop() {
+        guard isViewLoaded else { return }
         currentViewController.tabBarScrollToTop()
     }
 }
 
 extension ProfileViewController: StatusBarTappableViewController {
     func handleStatusBarTapped(xPosition: CGFloat) -> StatusBarTapActionResult {
+        guard isViewLoaded else { return .stop }
         return currentViewController.handleStatusBarTapped(xPosition: xPosition)
     }
 }

Tusker/Screens/Timeline/InstanceTimelineViewController.swift

@@ -84,47 +84,58 @@ class InstanceTimelineViewController: TimelineViewController {
     // MARK: Timeline
     
     override func handleLoadAllError(_ error: Swift.Error) async {
-        switch (error as? Client.Error)?.type {
+        guard let error = error as? Client.Error else {
-        case .mastodonError(422, _), .unexpectedStatus(422):
+            await super.handleLoadAllError(error)
-            collectionView.isHidden = true
+            return
-            view.backgroundColor = .appBackground
+        }
-            
+        let code: Int
-            let image = UIImageView(image: UIImage(systemName: "lock.fill"))
+        switch error.type {
-            image.tintColor = .secondaryLabel
+        case .mastodonError(let c, _), .unexpectedStatus(let c):
-            image.contentMode = .scaleAspectFit
+            code = c
-            
-            let title = UILabel()
-            title.textColor = .secondaryLabel
-            title.font = .preferredFont(forTextStyle: .title1).withTraits(.traitBold)!
-            title.adjustsFontForContentSizeCategory = true
-            title.numberOfLines = 0
-            title.textAlignment = .center
-            title.text = "This instance requires an account to view."
-            
-            let stack = UIStackView(arrangedSubviews: [
-                image,
-                title,
-            ])
-            stack.axis = .vertical
-            stack.alignment = .center
-            stack.spacing = 8
-            stack.isAccessibilityElement = true
-            stack.accessibilityLabel = title.text!
-            
-            stack.translatesAutoresizingMaskIntoConstraints = false
-            view.addSubview(stack)
-            NSLayoutConstraint.activate([
-                image.widthAnchor.constraint(equalToConstant: 64),
-                image.heightAnchor.constraint(equalToConstant: 64),
-                
-                stack.leadingAnchor.constraint(equalToSystemSpacingAfter: view.safeAreaLayoutGuide.leadingAnchor, multiplier: 1),
-                view.safeAreaLayoutGuide.trailingAnchor.constraint(equalToSystemSpacingAfter: stack.trailingAnchor, multiplier: 1),
-                stack.centerYAnchor.constraint(equalTo: view.safeAreaLayoutGuide.centerYAnchor),
-            ])
-            
         default:
             await super.handleLoadAllError(error)
+            return
         }
+        guard code == 422 || code == 401 else {
+            await super.handleLoadAllError(error)
+            return
+        }
+        
+        collectionView.isHidden = true
+        view.backgroundColor = .appBackground
+        
+        let image = UIImageView(image: UIImage(systemName: "lock.fill"))
+        image.tintColor = .secondaryLabel
+        image.contentMode = .scaleAspectFit
+        
+        let title = UILabel()
+        title.textColor = .secondaryLabel
+        title.font = .preferredFont(forTextStyle: .title1).withTraits(.traitBold)!
+        title.adjustsFontForContentSizeCategory = true
+        title.numberOfLines = 0
+        title.textAlignment = .center
+        title.text = "This instance requires an account to view."
+        
+        let stack = UIStackView(arrangedSubviews: [
+            image,
+            title,
+        ])
+        stack.axis = .vertical
+        stack.alignment = .center
+        stack.spacing = 8
+        stack.isAccessibilityElement = true
+        stack.accessibilityLabel = title.text!
+        
+        stack.translatesAutoresizingMaskIntoConstraints = false
+        view.addSubview(stack)
+        NSLayoutConstraint.activate([
+            image.widthAnchor.constraint(equalToConstant: 64),
+            image.heightAnchor.constraint(equalToConstant: 64),
+            
+            stack.leadingAnchor.constraint(equalToSystemSpacingAfter: view.safeAreaLayoutGuide.leadingAnchor, multiplier: 1),
+            view.safeAreaLayoutGuide.trailingAnchor.constraint(equalToSystemSpacingAfter: stack.trailingAnchor, multiplier: 1),
+            stack.centerYAnchor.constraint(equalTo: view.safeAreaLayoutGuide.centerYAnchor),
+        ])
     }
     
     // MARK: Interaction

Tusker/TuskerNavigationDelegate.swift

@@ -12,8 +12,6 @@ import Pachyderm
 
 protocol TuskerNavigationDelegate: UIViewController, ToastableViewController {
     var apiController: MastodonController! { get }
-    
-    func conversation(mainStatusID: String, state: CollapseState) -> ConversationViewController
 }
 
 extension TuskerNavigationDelegate {
@@ -82,16 +80,12 @@ extension TuskerNavigationDelegate {
         }
     }
     
-    func conversation(mainStatusID: String, state: CollapseState) -> ConversationViewController {
-        return ConversationViewController(for: mainStatusID, state: state, mastodonController: apiController)
-    }
-    
     func selected(status statusID: String) {
         self.selected(status: statusID, state: .unknown)
     }
     
     func selected(status statusID: String, state: CollapseState) {
-        show(conversation(mainStatusID: statusID, state: state), sender: self)
+        show(ConversationViewController(for: statusID, state: state, mastodonController: apiController), sender: self)
     }
     
     func compose(editing draft: Draft, animated: Bool = true) {
@@ -119,15 +113,11 @@ extension TuskerNavigationDelegate {
         compose(editing: draft, animated: animated)
     }
     
-    func loadingLargeImage(url: URL, cache: ImageCache, description: String?, animatingFrom sourceView: UIImageView) -> LoadingLargeImageViewController {
+    func showLoadingLargeImage(url: URL, cache: ImageCache, description: String?, animatingFrom sourceView: UIImageView) {
         let vc = LoadingLargeImageViewController(url: url, cache: cache, imageDescription: description)
         vc.animationSourceView = sourceView
         vc.transitioningDelegate = self
-        return vc
+        present(vc, animated: true)
-    }
-    
-    func showLoadingLargeImage(url: URL, cache: ImageCache, description: String?, animatingFrom sourceView: UIImageView) {
-        present(loadingLargeImage(url: url, cache: cache, description: description, animatingFrom: sourceView), animated: true)
     }
     
     func gallery(attachments: [Attachment], sourceViews: [UIImageView?], startIndex: Int) -> GalleryViewController {
@@ -183,16 +173,6 @@ extension TuskerNavigationDelegate {
         present(vc, animated: true)
     }
     
-    func showFollowedByList(accountIDs: [String]) {
-        let vc = AccountListViewController(accountIDs: accountIDs, mastodonController: apiController)
-        vc.title = NSLocalizedString("Followed By", comment: "followed by accounts list title")
-        show(vc, sender: self)
-    }
-    
-    func statusActionAccountList(action: StatusActionAccountListViewController.ActionType, statusID: String, statusState state: CollapseState, accountIDs: [String]?) -> StatusActionAccountListViewController {
-        return StatusActionAccountListViewController(actionType: action, statusID: statusID, statusState: state, accountIDs: accountIDs, mastodonController: apiController)
-    }
-    
 }
 
 enum PopoverSource {

Tusker/Views/CopyableLable.swift

@@ -0,0 +1,50 @@
+//
+//  CopyableLable.swift
+//  Tusker
+//
+//  Created by Shadowfacts on 2/4/23.
+//  Copyright © 2023 Shadowfacts. All rights reserved.
+//
+
+import UIKit
+
+class CopyableLable: UILabel {
+    
+    private var _editMenuInteraction: Any!
+    @available(iOS 16.0, *)
+    private var editMenuInteraction: UIEditMenuInteraction {
+        get { _editMenuInteraction as! UIEditMenuInteraction }
+        set { _editMenuInteraction = newValue }
+    }
+
+    override init(frame: CGRect) {
+        super.init(frame: frame)
+        commonInit()
+    }
+    
+    required init?(coder: NSCoder) {
+        super.init(coder: coder)
+        commonInit()
+    }
+    
+    private func commonInit() {
+        if #available(iOS 16.0, *) {
+            editMenuInteraction = UIEditMenuInteraction(delegate: nil)
+            addInteraction(editMenuInteraction)
+            isUserInteractionEnabled = true
+            addGestureRecognizer(UILongPressGestureRecognizer(target: self, action: #selector(longPressed)))
+        }
+    }
+    
+    override func copy(_ sender: Any?) {
+        UIPasteboard.general.string = text
+    }
+    
+    @available(iOS 16.0, *)
+    @objc private func longPressed(_ recognizer: UILongPressGestureRecognizer) {
+        if recognizer.state == .began {
+            editMenuInteraction.presentEditMenu(with: UIEditMenuConfiguration(identifier: nil, sourcePoint: CGPoint(x: bounds.midX, y: bounds.midY)))
+        }
+    }
+    
+}

Tusker/Views/Notifications/ActionNotificationGroupTableViewCell.swift

@@ -232,6 +232,31 @@ class ActionNotificationGroupTableViewCell: UITableViewCell {
         updateTimestampWorkItem = nil
     }
     
+    // MARK: Accessibility
+    
+    override var accessibilityLabel: String? {
+        get {
+            let first = group.notifications.first!
+            var str = ""
+            switch group.kind {
+            case .favourite:
+                str += "Favorited by "
+            case .reblog:
+                str += "Reblogged by "
+            default:
+                return nil
+            }
+            str += first.account.displayNameWithoutCustomEmoji
+            if group.notifications.count > 1 {
+                str += " and \(group.notifications.count - 1) more"
+            }
+            str += ", \(first.createdAt.formatted(.relative(presentation: .numeric))), "
+            str += statusContentLabel.text ?? ""
+            return str
+        }
+        set {}
+    }
+
 }
 
 extension ActionNotificationGroupTableViewCell: SelectableTableViewCell {
@@ -248,7 +273,7 @@ extension ActionNotificationGroupTableViewCell: SelectableTableViewCell {
         default:
             fatalError()
         }
-        let vc = delegate.statusActionAccountList(action: action, statusID: statusID, statusState: .unknown, accountIDs: accountIDs)
+        let vc = StatusActionAccountListViewController(actionType: action, statusID: statusID, statusState: .unknown, accountIDs: accountIDs, mastodonController: mastodonController)
         vc.showInacurateCountWarning = false
         delegate.show(vc)
     }
@@ -257,9 +282,6 @@ extension ActionNotificationGroupTableViewCell: SelectableTableViewCell {
 extension ActionNotificationGroupTableViewCell: MenuPreviewProvider {
     func getPreviewProviders(for location: CGPoint, sourceViewController: UIViewController) -> PreviewProviders? {
         return (content: {
-            guard let delegate = self.delegate else {
-                return nil
-            }
             let notifications = self.group.notifications
             let accountIDs = notifications.map { $0.account.id }
             let action: StatusActionAccountListViewController.ActionType
@@ -271,7 +293,7 @@ extension ActionNotificationGroupTableViewCell: MenuPreviewProvider {
             default:
                 fatalError()
             }
-            let vc = delegate.statusActionAccountList(action: action, statusID: self.statusID, statusState: .unknown, accountIDs: accountIDs)
+            let vc = StatusActionAccountListViewController(actionType: action, statusID: self.statusID, statusState: .unknown, accountIDs: accountIDs, mastodonController: self.mastodonController)
             vc.showInacurateCountWarning = false
             return vc
         }, actions: {

Tusker/Views/Notifications/FollowNotificationGroupTableViewCell.swift

@@ -196,6 +196,22 @@ class FollowNotificationGroupTableViewCell: UITableViewCell {
         updateTimestampWorkItem = nil
     }
     
+    // MARK: Accessibility
+    
+    override var accessibilityLabel: String? {
+        get {
+            let first = group.notifications.first!
+            var str = "Followed by "
+            str += first.account.displayNameWithoutCustomEmoji
+            if group.notifications.count > 1 {
+                str += " and \(group.notifications.count - 1) more"
+            }
+            str += ", \(first.createdAt.formatted(.relative(presentation: .numeric)))"
+            return str
+        }
+        set {}
+    }
+
 }
 
 extension FollowNotificationGroupTableViewCell: SelectableTableViewCell {
@@ -207,7 +223,9 @@ extension FollowNotificationGroupTableViewCell: SelectableTableViewCell {
         case 1:
             delegate?.selected(account: accountIDs.first!)
         default:
-            delegate?.showFollowedByList(accountIDs: accountIDs)
+            let vc = AccountListViewController(accountIDs: accountIDs, mastodonController: mastodonController)
+            vc.title = NSLocalizedString("Followed By", comment: "followed by accounts list title")
+            delegate?.show(vc)
         }
     }
 }

Tusker/Views/Notifications/FollowRequestNotificationTableViewCell.swift

@@ -145,6 +145,29 @@ class FollowRequestNotificationTableViewCell: UITableViewCell {
         self.stackView.addArrangedSubview(label)
     }
     
+    // MARK: Accessibility
+    
+    override var accessibilityLabel: String? {
+        get {
+            guard let notification else { return nil }
+            var str = "Follow requested by "
+            str += notification.account.displayNameWithoutCustomEmoji
+            str += ", \(notification.createdAt.formatted(.relative(presentation: .numeric)))"
+            return str
+        }
+        set {}
+    }
+    
+    override var accessibilityCustomActions: [UIAccessibilityCustomAction]? {
+        get {
+            return [
+                UIAccessibilityCustomAction(name: "Accept Request", target: self, selector: #selector(acceptButtonPressed)),
+                UIAccessibilityCustomAction(name: "Reject Request", target: self, selector: #selector(acceptButtonPressed)),
+            ]
+        }
+        set {}
+    }
+    
     // MARK: - Interaction
     
     @IBAction func rejectButtonPressed() {

Tusker/Views/Notifications/FollowRequestNotificationTableViewCell.xib

@@ -55,7 +55,7 @@
                                         <rect key="frame" x="0.0" y="0.0" width="115" height="26.5"/>
                                         <accessibility key="accessibilityConfiguration" label="Accept Request"/>
                                         <state key="normal" title=" Accept" image="checkmark.circle.fill" catalog="system">
-                                            <color key="titleColor" systemColor="systemBlueColor"/>
+                                            <color key="titleColor" systemColor="tintColor"/>
                                         </state>
                                         <connections>
                                             <action selector="acceptButtonPressed" destination="Pcu-ap-Xqf" eventType="touchUpInside" id="hGw-3d-RNi"/>
@@ -64,7 +64,7 @@
                                     <button opaque="NO" contentMode="scaleToFill" contentHorizontalAlignment="center" contentVerticalAlignment="center" lineBreakMode="middleTruncation" pointerInteraction="YES" translatesAutoresizingMaskIntoConstraints="NO" id="7MW-rY-m5l">
                                         <rect key="frame" x="115" y="0.0" width="115" height="26.5"/>
                                         <state key="normal" title=" Reject" image="xmark.circle.fill" catalog="system">
-                                            <color key="titleColor" systemColor="systemBlueColor"/>
+                                            <color key="titleColor" systemColor="tintColor"/>
                                         </state>
                                         <connections>
                                             <action selector="rejectButtonPressed" destination="Pcu-ap-Xqf" eventType="touchUpInside" id="EP6-Bg-3nC"/>
@@ -111,7 +111,7 @@
         <systemColor name="secondaryLabelColor">
             <color red="0.23529411764705882" green="0.23529411764705882" blue="0.2627450980392157" alpha="0.59999999999999998" colorSpace="custom" customColorSpace="sRGB"/>
         </systemColor>
-        <systemColor name="systemBlueColor">
+        <systemColor name="tintColor">
             <color red="0.0" green="0.47843137254901963" blue="1" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
         </systemColor>
     </resources>

Tusker/Views/Notifications/PollFinishedTableViewCell.swift

@@ -103,6 +103,25 @@ class PollFinishedTableViewCell: UITableViewCell {
         updateTimestampWorkItem = nil
     }
     
+    // MARK: Accessibility
+    
+    override var accessibilityLabel: String? {
+        get {
+            guard let notification else { return nil }
+            var str = "Poll from "
+            str += notification.account.displayNameWithoutCustomEmoji
+            str += " finished "
+            str += notification.createdAt.formatted(.relative(presentation: .numeric))
+            if let poll = notification.status?.poll,
+               poll.options.contains(where: { ($0.votesCount ?? 0) > 0 }) {
+                let winner = poll.options.max(by: { ($0.votesCount ?? 0) < ($1.votesCount ?? 0) })!
+                str += ", winning option: \(winner.title)"
+            }
+            return str
+        }
+        set {}
+    }
+    
 }
 
 extension PollFinishedTableViewCell: SelectableTableViewCell {
@@ -111,8 +130,7 @@ extension PollFinishedTableViewCell: SelectableTableViewCell {
               let status = notification?.status else {
             return
         }
-        let vc = delegate.conversation(mainStatusID: status.id, state: .unknown)
+        delegate.selected(status: status.id)
-        delegate.show(vc)
     }
 }
 
@@ -124,7 +142,7 @@ extension PollFinishedTableViewCell: MenuPreviewProvider {
             return nil
         }
         return (content: {
-            delegate.conversation(mainStatusID: statusID, state: .unknown)
+            ConversationViewController(for: statusID, state: .unknown, mastodonController: delegate.apiController)
         }, actions: {
             delegate.actionsForStatus(status, source: .view(self))
         })

Tusker/Views/Notifications/StatusUpdatedNotificationTableViewCell.swift

@@ -95,6 +95,22 @@ class StatusUpdatedNotificationTableViewCell: UITableViewCell {
         updateTimestampWorkItem = nil
     }
     
+    // MARK: Accessibility
+    
+    override var accessibilityLabel: String? {
+        get {
+            guard let notification else { return nil }
+            var str = "Post from "
+            str += notification.account.displayNameWithoutCustomEmoji
+            str += " edited "
+            str += notification.createdAt.formatted(.relative(presentation: .numeric))
+            str += ", "
+            str += contentLabel.text ?? ""
+            return str
+        }
+        set {}
+    }
+    
 }
 
 extension StatusUpdatedNotificationTableViewCell: SelectableTableViewCell {
@@ -103,8 +119,7 @@ extension StatusUpdatedNotificationTableViewCell: SelectableTableViewCell {
         let status = notification?.status else {
             return
         }
-        let vc = delegate.conversation(mainStatusID: status.id, state: .unknown)
+        delegate.selected(status: status.id)
-        delegate.show(vc)
     }
 }
 
@@ -116,7 +131,7 @@ extension StatusUpdatedNotificationTableViewCell: MenuPreviewProvider {
             return nil
         }
         return (content: {
-            delegate.conversation(mainStatusID: statusID, state: .unknown)
+            ConversationViewController(for: statusID, state: .unknown, mastodonController: delegate.apiController)
         }, actions: {
             delegate.actionsForStatus(status, source: .view(self))
         })

Tusker/Views/Profile Header/ProfileHeaderView.xib

@@ -110,7 +110,7 @@
                 <stackView opaque="NO" contentMode="scaleToFill" alignment="center" spacing="4" translatesAutoresizingMaskIntoConstraints="NO" id="jwU-EH-hmC">
                     <rect key="frame" x="144" y="235" width="103.5" height="23"/>
                     <subviews>
-                        <label opaque="NO" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" verticalCompressionResistancePriority="751" text="@username" textAlignment="natural" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" translatesAutoresizingMaskIntoConstraints="NO" id="1C3-Pd-QiL">
+                        <label opaque="NO" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" verticalCompressionResistancePriority="751" text="@username" textAlignment="natural" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" translatesAutoresizingMaskIntoConstraints="NO" id="1C3-Pd-QiL" customClass="CopyableLable" customModule="Tusker" customModuleProvider="target">
                             <rect key="frame" x="0.0" y="2.5" width="81" height="18"/>
                             <fontDescription key="fontDescription" type="system" weight="light" pointSize="15"/>
                             <color key="textColor" systemColor="secondaryLabelColor"/>

Tusker/Views/Status/ConversationMainStatusCollectionViewCell.swift

@@ -416,7 +416,7 @@ class ConversationMainStatusCollectionViewCell: UICollectionViewListCell, Status
         guard let delegate else {
             return
         }
-        let vc = delegate.statusActionAccountList(action: .favorite, statusID: statusID, statusState: statusState.copy(), accountIDs: nil)
+        let vc = StatusActionAccountListViewController(actionType: .favorite, statusID: statusID, statusState: statusState.copy(), accountIDs: nil, mastodonController: mastodonController)
         // TODO: only show warning if the instance isn't the logged in one
         vc.showInacurateCountWarning = true
         delegate.show(vc)
@@ -426,7 +426,7 @@ class ConversationMainStatusCollectionViewCell: UICollectionViewListCell, Status
         guard let delegate else {
             return
         }
-        let vc = delegate.statusActionAccountList(action: .reblog, statusID: statusID, statusState: statusState.copy(), accountIDs: nil)
+        let vc = StatusActionAccountListViewController(actionType: .favorite, statusID: statusID, statusState: statusState.copy(), accountIDs: nil, mastodonController: mastodonController)
         vc.showInacurateCountWarning = true
         delegate.show(vc)
     }

Tusker/Views/Status/TimelineStatusCollectionViewCell.swift

@@ -772,7 +772,10 @@ class TimelineStatusCollectionViewCell: UICollectionViewListCell, StatusCollecti
         return UIContextMenuConfiguration {
             ConversationViewController(for: self.statusID, state: self.statusState.copy(), mastodonController: self.mastodonController)
         } actionProvider: { _ in
-            UIMenu(children: self.delegate!.actionsForStatus(status, source: .view(self)))
+            guard let delegate = self.delegate else {
+                return nil
+            }
+            return UIMenu(children: delegate.actionsForStatus(status, source: .view(self)))
         }
     }
     

Tusker/Views/Toast/ToastConfiguration.swift

@@ -56,37 +56,7 @@ extension ToastConfiguration {
                 viewController.present(reporter, animated: true)
             }
             // TODO: this is a bizarre place to do this, but code path covers basically all errors
-            switch error.type {
+            captureError(error, title: title)
-            case .invalidRequest, .invalidResponse, .invalidModel(_), .mastodonError(_, _):
-                let event = Event(error: error)
-                event.message = SentryMessage(formatted: "\(title): \(error)")
-                event.tags = [
-                    "request_method": error.requestMethod.name,
-                    "request_endpoint": error.requestEndpoint.description,
-                ]
-                switch error.type {
-                case .invalidRequest:
-                    event.tags!["error_type"] = "invalid_request"
-                case .invalidResponse:
-                    event.tags!["error_type"] = "invalid_response"
-                case .invalidModel(let error):
-                    event.tags!["error_type"] = "invalid_model"
-                    event.extra = [
-                        "underlying_error": String(describing: error)
-                    ]
-                case .mastodonError(let code, let error):
-                    event.tags!["error_type"] = "mastodon_error"
-                    event.tags!["response_code"] = "\(code)"
-                    event.extra = [
-                        "underlying_error": String(describing: error)
-                    ]
-                default:
-                    break
-                }
-                SentrySDK.capture(event: event)
-            default:
-                break
-            }
         } else {
             self.subtitle = error.localizedDescription
             self.systemImageName = "exclamationmark.triangle"
@@ -116,3 +86,39 @@ fileprivate extension Pachyderm.Client.Error {
         }
     }
 }
+
+private func captureError(_ error: Client.Error, title: String) {
+    let event = Event(error: error)
+    event.message = SentryMessage(formatted: "\(title): \(error)")
+    event.tags = [
+        "request_method": error.requestMethod.name,
+        "request_endpoint": error.requestEndpoint.description,
+    ]
+    switch error.type {
+    case .invalidRequest:
+        event.tags!["error_type"] = "invalid_request"
+    case .invalidResponse:
+        event.tags!["error_type"] = "invalid_response"
+    case .invalidModel(let error):
+        event.tags!["error_type"] = "invalid_model"
+        event.extra = [
+            "underlying_error": String(describing: error)
+        ]
+    case .mastodonError(let code, let error):
+        event.tags!["error_type"] = "mastodon_error"
+        event.tags!["response_code"] = "\(code)"
+        event.extra = [
+            "underlying_error": String(describing: error)
+        ]
+    case .unexpectedStatus(let code):
+        event.tags!["error_type"] = "unexpected_status"
+        event.tags!["response_code"] = "\(code)"
+    default:
+        return
+    }
+    if let code = event.tags!["response_code"],
+       code == "401" || code == "403" {
+        return
+    }
+    SentrySDK.capture(event: event)
+}