Replace Search tab with Explore tab

- Search controller (functionally the same, presents results on top of
explore menu)
- Add bookmarks screen

See #63

Pachyderm/Client.swift

@@ -308,6 +308,14 @@ public class Client {
         return timeline.request(range: range)
     }
     
+    
+    // MARK: Bookmarks
+    public func getBookmarks(range: RequestRange = .default) -> Request<[Status]> {
+        var request = Request<[Status]>(method: .get, path: "/api/v1/bookmarks")
+        request.range = range
+        return request
+    }
+    
 }
 
 extension Client {

Tusker.xcodeproj/project.pbxproj

@@ -81,6 +81,9 @@
 		D627943723A552C200D38C68 /* BookmarkStatusActivity.swift in Sources */ = {isa = PBXBuildFile; fileRef = D627943623A552C200D38C68 /* BookmarkStatusActivity.swift */; };
 		D627943923A553B600D38C68 /* UnbookmarkStatusActivity.swift in Sources */ = {isa = PBXBuildFile; fileRef = D627943823A553B600D38C68 /* UnbookmarkStatusActivity.swift */; };
 		D627943B23A55BA600D38C68 /* NavigableTableViewCell.swift in Sources */ = {isa = PBXBuildFile; fileRef = D627943A23A55BA600D38C68 /* NavigableTableViewCell.swift */; };
+		D627943E23A564D400D38C68 /* ExploreViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = D627943D23A564D400D38C68 /* ExploreViewController.swift */; };
+		D627944723A6AC9300D38C68 /* BasicTableViewCell.xib in Resources */ = {isa = PBXBuildFile; fileRef = D627944623A6AC9300D38C68 /* BasicTableViewCell.xib */; };
+		D627944A23A6AD6100D38C68 /* BookmarksTableViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = D627944923A6AD6100D38C68 /* BookmarksTableViewController.swift */; };
 		D627FF76217E923E00CC0648 /* DraftsManager.swift in Sources */ = {isa = PBXBuildFile; fileRef = D627FF75217E923E00CC0648 /* DraftsManager.swift */; };
 		D627FF79217E950100CC0648 /* DraftsTableViewController.xib in Resources */ = {isa = PBXBuildFile; fileRef = D627FF78217E950100CC0648 /* DraftsTableViewController.xib */; };
 		D627FF7B217E951500CC0648 /* DraftsTableViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = D627FF7A217E951500CC0648 /* DraftsTableViewController.swift */; };
@@ -184,7 +187,7 @@
 		D6BC9DB3232D4C07002CA326 /* WellnessPrefsView.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6BC9DB2232D4C07002CA326 /* WellnessPrefsView.swift */; };
 		D6BC9DB5232D4CE3002CA326 /* NotificationsMode.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6BC9DB4232D4CE3002CA326 /* NotificationsMode.swift */; };
 		D6BC9DD7232D7811002CA326 /* TimelinesPageViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6BC9DD6232D7811002CA326 /* TimelinesPageViewController.swift */; };
-		D6BC9DDA232D8BE5002CA326 /* SearchTableViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6BC9DD9232D8BE5002CA326 /* SearchTableViewController.swift */; };
+		D6BC9DDA232D8BE5002CA326 /* SearchResultsViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6BC9DD9232D8BE5002CA326 /* SearchResultsViewController.swift */; };
 		D6BED170212663DA00F02DA0 /* SwiftSoup.framework in Embed Frameworks */ = {isa = PBXBuildFile; fileRef = D6BED16E212663DA00F02DA0 /* SwiftSoup.framework */; settings = {ATTRIBUTES = (CodeSignOnCopy, RemoveHeadersOnCopy, ); }; };
 		D6BED174212667E900F02DA0 /* TimelineStatusTableViewCell.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6BED173212667E900F02DA0 /* TimelineStatusTableViewCell.swift */; };
 		D6C693EF216192C2007D6A6D /* TuskerNavigationDelegate.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6C693EE216192C2007D6A6D /* TuskerNavigationDelegate.swift */; };
@@ -349,6 +352,9 @@
 		D627943623A552C200D38C68 /* BookmarkStatusActivity.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = BookmarkStatusActivity.swift; sourceTree = "<group>"; };
 		D627943823A553B600D38C68 /* UnbookmarkStatusActivity.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = UnbookmarkStatusActivity.swift; sourceTree = "<group>"; };
 		D627943A23A55BA600D38C68 /* NavigableTableViewCell.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = NavigableTableViewCell.swift; sourceTree = "<group>"; };
+		D627943D23A564D400D38C68 /* ExploreViewController.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ExploreViewController.swift; sourceTree = "<group>"; };
+		D627944623A6AC9300D38C68 /* BasicTableViewCell.xib */ = {isa = PBXFileReference; lastKnownFileType = file.xib; path = BasicTableViewCell.xib; sourceTree = "<group>"; };
+		D627944923A6AD6100D38C68 /* BookmarksTableViewController.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = BookmarksTableViewController.swift; sourceTree = "<group>"; };
 		D627FF75217E923E00CC0648 /* DraftsManager.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = DraftsManager.swift; sourceTree = "<group>"; };
 		D627FF78217E950100CC0648 /* DraftsTableViewController.xib */ = {isa = PBXFileReference; lastKnownFileType = file.xib; path = DraftsTableViewController.xib; sourceTree = "<group>"; };
 		D627FF7A217E951500CC0648 /* DraftsTableViewController.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = DraftsTableViewController.swift; sourceTree = "<group>"; };
@@ -449,7 +455,7 @@
 		D6BC9DB2232D4C07002CA326 /* WellnessPrefsView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = WellnessPrefsView.swift; sourceTree = "<group>"; };
 		D6BC9DB4232D4CE3002CA326 /* NotificationsMode.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = NotificationsMode.swift; sourceTree = "<group>"; };
 		D6BC9DD6232D7811002CA326 /* TimelinesPageViewController.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = TimelinesPageViewController.swift; sourceTree = "<group>"; };
-		D6BC9DD9232D8BE5002CA326 /* SearchTableViewController.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = SearchTableViewController.swift; sourceTree = "<group>"; };
+		D6BC9DD9232D8BE5002CA326 /* SearchResultsViewController.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = SearchResultsViewController.swift; sourceTree = "<group>"; };
 		D6BED16E212663DA00F02DA0 /* SwiftSoup.framework */ = {isa = PBXFileReference; explicitFileType = wrapper.framework; path = SwiftSoup.framework; sourceTree = BUILT_PRODUCTS_DIR; };
 		D6BED173212667E900F02DA0 /* TimelineStatusTableViewCell.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = TimelineStatusTableViewCell.swift; sourceTree = "<group>"; };
 		D6C693EE216192C2007D6A6D /* TuskerNavigationDelegate.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = TuskerNavigationDelegate.swift; sourceTree = "<group>"; };
@@ -717,6 +723,22 @@
 			path = "Status Activities";
 			sourceTree = "<group>";
 		};
+		D627943C23A5635D00D38C68 /* Explore */ = {
+			isa = PBXGroup;
+			children = (
+				D627943D23A564D400D38C68 /* ExploreViewController.swift */,
+			);
+			path = Explore;
+			sourceTree = "<group>";
+		};
+		D627944823A6AD5100D38C68 /* Bookmarks */ = {
+			isa = PBXGroup;
+			children = (
+				D627944923A6AD6100D38C68 /* BookmarksTableViewController.swift */,
+			);
+			path = Bookmarks;
+			sourceTree = "<group>";
+		};
 		D627FF77217E94F200CC0648 /* Drafts */ = {
 			isa = PBXGroup;
 			children = (
@@ -750,12 +772,14 @@
 				D641C785213DD83B004B4513 /* Conversation */,
 				D641C786213DD852004B4513 /* Notifications */,
 				D641C787213DD862004B4513 /* Compose */,
+				D627943C23A5635D00D38C68 /* Explore */,
 				D6BC9DD8232D8BCA002CA326 /* Search */,
 				D641C788213DD86D004B4513 /* Large Image */,
 				0411610422B4571E0030A9B7 /* Attachment */,
 				0411610522B457290030A9B7 /* Gallery */,
 				D6A3BC822321F69400FD64D5 /* Account List */,
 				D6A3BC8C2321FF9B00FD64D5 /* Status Action Account List */,
+				D627944823A6AD5100D38C68 /* Bookmarks */,
 				D641C789213DD87E004B4513 /* Preferences */,
 			);
 			path = Screens;
@@ -1082,7 +1106,7 @@
 		D6BC9DD8232D8BCA002CA326 /* Search */ = {
 			isa = PBXGroup;
 			children = (
-				D6BC9DD9232D8BE5002CA326 /* SearchTableViewController.swift */,
+				D6BC9DD9232D8BE5002CA326 /* SearchResultsViewController.swift */,
 			);
 			path = Search;
 			sourceTree = "<group>";
@@ -1097,6 +1121,7 @@
 				04ED00B021481ED800567C53 /* SteppedProgressView.swift */,
 				D627943A23A55BA600D38C68 /* NavigableTableViewCell.swift */,
 				D627943123A5466600D38C68 /* SelectableTableViewCell.swift */,
+				D627944623A6AC9300D38C68 /* BasicTableViewCell.xib */,
 				D67C57A721E2649B00C3118B /* Account Detail */,
 				D67C57B021E28F9400C3118B /* Compose Status Reply */,
 				D60C07E221E817560057FAA8 /* Compose Media */,
@@ -1481,6 +1506,7 @@
 				D640D76922BAF5E6004FBE69 /* DomainBlocks.plist in Resources */,
 				D6289E84217B795D0003D1D7 /* LargeImageViewController.xib in Resources */,
 				D627FF79217E950100CC0648 /* DraftsTableViewController.xib in Resources */,
+				D627944723A6AC9300D38C68 /* BasicTableViewCell.xib in Resources */,
 				D67C57B221E28FAD00C3118B /* ComposeStatusReplyView.xib in Resources */,
 				0411610122B442870030A9B7 /* AttachmentViewController.xib in Resources */,
 				D6A3BC812321B7E600FD64D5 /* FollowNotificationGroupTableViewCell.xib in Resources */,
@@ -1622,7 +1648,7 @@
 				D6AEBB4823216B1D00E5038B /* AccountActivity.swift in Sources */,
 				D6333B772138D94E00CE884A /* ComposeMediaView.swift in Sources */,
 				04ED00B121481ED800567C53 /* SteppedProgressView.swift in Sources */,
-				D6BC9DDA232D8BE5002CA326 /* SearchTableViewController.swift in Sources */,
+				D6BC9DDA232D8BE5002CA326 /* SearchResultsViewController.swift in Sources */,
 				D627FF7F217E95E000CC0648 /* DraftTableViewCell.swift in Sources */,
 				D6AEBB4A23216F0400E5038B /* UnfollowAccountActivity.swift in Sources */,
 				D663626421360D2300C9CBA2 /* AvatarStyle.swift in Sources */,
@@ -1630,6 +1656,7 @@
 				D627943223A5466600D38C68 /* SelectableTableViewCell.swift in Sources */,
 				D6DD353F22F502EC00A9563A /* Preferences+Notification.swift in Sources */,
 				D63661C02381C144004B9E16 /* PreferencesNavigationController.swift in Sources */,
+				D627944A23A6AD6100D38C68 /* BookmarksTableViewController.swift in Sources */,
 				D6AEBB4523216AF800E5038B /* FollowAccountActivity.swift in Sources */,
 				D6538945214D6D7500E3CEFC /* TableViewSwipeActionProvider.swift in Sources */,
 				D6E0DC8E216EDF1E00369478 /* Previewing.swift in Sources */,
@@ -1640,6 +1667,7 @@
 				D6C94D892139E6EC00CB5196 /* AttachmentView.swift in Sources */,
 				D6C693EF216192C2007D6A6D /* TuskerNavigationDelegate.swift in Sources */,
 				D6C94D872139E62700CB5196 /* LargeImageViewController.swift in Sources */,
+				D627943E23A564D400D38C68 /* ExploreViewController.swift in Sources */,
 				D6434EB3215B1856001A919A /* XCBRequest.swift in Sources */,
 				D663626221360B1900C9CBA2 /* Preferences.swift in Sources */,
 				D627943B23A55BA600D38C68 /* NavigableTableViewCell.swift in Sources */,

Tusker/AppDelegate.swift

@@ -40,19 +40,19 @@ class AppDelegate: UIResponder, UIApplicationDelegate {
             return XCBManager.handle(url: url)
         } else if var components = URLComponents(url: url, resolvingAgainstBaseURL: false),
             let tabBarController = window!.rootViewController as? MainTabBarViewController,
-            let navigationController = tabBarController.viewControllers?[3] as? UINavigationController,
+            let exploreNavController = tabBarController.getTabController(tab: .explore) as? UINavigationController,
-            let searchController = navigationController.viewControllers.first as? SearchTableViewController {
+            let exploreController = exploreNavController.viewControllers.first as? ExploreViewController {
+            
+            tabBarController.select(tab: .explore)
+            exploreNavController.popToRootViewController(animated: false)
+
+            exploreController.loadViewIfNeeded()
+            exploreController.searchController.isActive = true
             
             components.scheme = "https"
-            
-            tabBarController.selectedIndex = 3
-            navigationController.popToRootViewController(animated: false)
-            
-            searchController.loadViewIfNeeded()
-            
             let query = components.url!.absoluteString
-            searchController.searchController.searchBar.text = query
+            exploreController.searchController.searchBar.text = query
-            searchController.performSearch(query: query)
+            exploreController.resultsController.performSearch(query: query)
             
             return true
         }

Tusker/Screens/Bookmarks/BookmarksTableViewController.swift

@@ -0,0 +1,172 @@
+//
+//  BookmarksTableViewController.swift
+//  Tusker
+//
+//  Created by Shadowfacts on 12/15/19.
+//  Copyright © 2019 Shadowfacts. All rights reserved.
+//
+
+import UIKit
+import Pachyderm
+
+class BookmarksTableViewController: EnhancedTableViewController {
+    
+    private let statusCell = "statusCell"
+
+    var statuses: [(id: String, state: StatusState)] = [] {
+        didSet {
+            DispatchQueue.main.async {
+                self.tableView.reloadData()
+            }
+        }
+    }
+    
+    var newer: RequestRange?
+    var older: RequestRange?
+    
+    init() {
+        super.init(style: .plain)
+        
+        title = NSLocalizedString("Bookmarks", comment: "bookmarks screen title")
+    }
+    
+    required init?(coder: NSCoder) {
+        fatalError("init(coder:) has not been implemented")
+    }
+    
+    override func viewDidLoad() {
+        super.viewDidLoad()
+
+        tableView.rowHeight = UITableView.automaticDimension
+        tableView.estimatedRowHeight = 140
+       
+        tableView.register(UINib(nibName: "TimelineStatusTableViewCell", bundle: .main), forCellReuseIdentifier: statusCell)
+        
+        tableView.prefetchDataSource = self
+        
+        let request = MastodonController.client.getBookmarks()
+        MastodonController.client.run(request) { (response) in
+            guard case let .success(statuses, pagination) = response else { fatalError() }
+            MastodonCache.addAll(statuses: statuses)
+            self.statuses.append(contentsOf: statuses.map { ($0.id, .unknown) })
+            self.newer = pagination?.newer
+            self.older = pagination?.older
+        }
+        
+        userActivity = UserActivityManager.bookmarksActivity()
+    }
+
+    // MARK: - Table view data source
+
+    override func numberOfSections(in tableView: UITableView) -> Int {
+        return 1
+    }
+
+    override func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
+        return statuses.count
+    }
+
+    override func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
+        let cell = tableView.dequeueReusableCell(withIdentifier: statusCell, for: indexPath) as! TimelineStatusTableViewCell
+        cell.delegate = self
+        let (id, state) = statuses[indexPath.row]
+        cell.updateUI(statusID: id, state: state)
+        return cell
+    }
+    
+    // MARK: - Table view delegate
+    
+    override func tableView(_ tableView: UITableView, willDisplay cell: UITableViewCell, forRowAt indexPath: IndexPath) {
+        guard indexPath.row == statuses.count, let older = older else {
+            return
+        }
+        
+        let request = MastodonController.client.getBookmarks(range: older)
+        MastodonController.client.run(request) { (response) in
+            guard case let .success(newStatuses, pagination) = response else { fatalError() }
+            self.older = pagination?.older
+            MastodonCache.addAll(statuses: newStatuses)
+            self.statuses.append(contentsOf: newStatuses.map { ($0.id, .unknown) })
+        }
+    }
+    
+    override func tableView(_ tableView: UITableView, canEditRowAt indexPath: IndexPath) -> Bool {
+        return true
+    }
+    
+    override func tableView(_ tableView: UITableView, leadingSwipeActionsConfigurationForRowAt indexPath: IndexPath) -> UISwipeActionsConfiguration? {
+        return (tableView.cellForRow(at: indexPath) as? TableViewSwipeActionProvider)?.leadingSwipeActionsConfiguration()
+    }
+    
+    override func tableView(_ tableView: UITableView, trailingSwipeActionsConfigurationForRowAt indexPath: IndexPath) -> UISwipeActionsConfiguration? {
+        let cellConfig = (tableView.cellForRow(at: indexPath) as? TableViewSwipeActionProvider)?.trailingSwipeActionsConfiguration()
+
+        guard let status = MastodonCache.status(for: statuses[indexPath.row].id) else {
+            return cellConfig
+        }
+        
+        let unbookmarkAction = UIContextualAction(style: .destructive, title: NSLocalizedString("Unbookmark", comment: "unbookmark action title")) { (action, view, completion) in
+            let request = Status.unbookmark(status)
+            MastodonController.client.run(request) { (response) in
+                guard case let .success(newStatus, _) = response else { fatalError() }
+                MastodonCache.add(status: newStatus)
+                self.statuses.remove(at: indexPath.row)
+            }
+        }
+        unbookmarkAction.image = UIImage(systemName: "bookmark.fill")
+        
+        let config: UISwipeActionsConfiguration
+        if let cellConfig = cellConfig {
+            config = UISwipeActionsConfiguration(actions: cellConfig.actions + [unbookmarkAction])
+            config.performsFirstActionWithFullSwipe = cellConfig.performsFirstActionWithFullSwipe
+        } else {
+            config = UISwipeActionsConfiguration(actions: [unbookmarkAction])
+            config.performsFirstActionWithFullSwipe = false
+        }
+        return config
+    }
+    
+    override func getSuggestedContextMenuActions(tableView: UITableView, indexPath: IndexPath, point: CGPoint) -> [UIAction] {
+        guard let status = MastodonCache.status(for: statuses[indexPath.row].id) else { return [] }
+        return [
+            UIAction(title: NSLocalizedString("Unbookmark", comment: "unbookmark action title"), image: UIImage(systemName: "bookmark.fill"), identifier: .init("unbookmark"), discoverabilityTitle: nil, attributes: [], state: .off, handler: { (_) in
+                let request = Status.unbookmark(status)
+                MastodonController.client.run(request) { (response) in
+                    guard case let .success(newStatus, _) = response else { fatalError() }
+                    MastodonCache.add(status: newStatus)
+                    self.statuses.remove(at: indexPath.row)
+                }
+            })
+        ]
+    }
+    
+}
+
+extension BookmarksTableViewController: StatusTableViewCellDelegate {
+    func statusCellCollapsedStateChanged(_ cell: BaseStatusTableViewCell) {
+        tableView.beginUpdates()
+        tableView.endUpdates()
+    }
+}
+
+extension BookmarksTableViewController: UITableViewDataSourcePrefetching {
+    func tableView(_ tableView: UITableView, prefetchRowsAt indexPaths: [IndexPath]) {
+        for indexPath in indexPaths {
+            guard let status = MastodonCache.status(for: statuses[indexPath.row].id) else { continue }
+            ImageCache.avatars.get(status.account.avatar, completion: nil)
+            for attachment in status.attachments where attachment.kind == .image {
+                ImageCache.attachments.get(attachment.url, completion: nil)
+            }
+        }
+    }
+    
+    func tableView(_ tableView: UITableView, cancelPrefetchingForRowsAt indexPaths: [IndexPath]) {
+        for indexPath in indexPaths {
+            guard let status = MastodonCache.status(for: statuses[indexPath.row].id) else { continue }
+            ImageCache.avatars.cancel(status.account.avatar)
+            for attachment in status.attachments where attachment.kind == .image {
+                ImageCache.attachments.cancel(attachment.url)
+            }
+        }
+    }
+}

Tusker/Screens/Explore/ExploreViewController.swift

@@ -0,0 +1,111 @@
+//
+//  ExploreViewController.swift
+//  Tusker
+//
+//  Created by Shadowfacts on 12/14/19.
+//  Copyright © 2019 Shadowfacts. All rights reserved.
+//
+
+import UIKit
+import Combine
+
+class ExploreViewController: EnhancedTableViewController {
+
+    var dataSource: UITableViewDiffableDataSource<Section, Item>!
+    
+    var resultsController: SearchResultsViewController!
+    var searchController: UISearchController!
+    
+    let searchSubject = PassthroughSubject<String?, Never>()
+    
+    init() {
+        super.init(style: .insetGrouped)
+        
+        title = NSLocalizedString("Explore", comment: "explore tab title")
+        tabBarItem.image = UIImage(systemName: "magnifyingglass")
+    }
+    
+    required init?(coder: NSCoder) {
+        fatalError("init(coder:) has not been implemented")
+    }
+    
+    override func viewDidLoad() {
+        super.viewDidLoad()
+        
+        tableView.register(UINib(nibName: "BasicTableViewCell", bundle: .main), forCellReuseIdentifier: "basicCell")
+
+        dataSource = DataSource(tableView: tableView, cellProvider: { (tableView, indexPath, item) -> UITableViewCell? in
+            switch item {
+            case .bookmarks:
+                let cell = tableView.dequeueReusableCell(withIdentifier: "basicCell", for: indexPath)
+                cell.imageView!.image = UIImage(systemName: "bookmark.fill")
+                cell.textLabel!.text = NSLocalizedString("Bookmarks", comment: "bookmarks nav item title")
+                cell.accessoryType = .disclosureIndicator
+                return cell
+                
+            case let .list(id):
+                let cell = tableView.dequeueReusableCell(withIdentifier: "basicCell", for: indexPath)
+                cell.imageView!.image = nil
+                cell.textLabel!.text = id
+                cell.accessoryType = .disclosureIndicator
+                return cell
+            }
+        })
+        
+        var snapshot = NSDiffableDataSourceSnapshot<Section, Item>()
+        snapshot.appendSections([.bookmarks, .lists])
+        snapshot.appendItems([.bookmarks], toSection: .bookmarks)
+        // the initial, static items should not be displayed with an animation
+        UIView.performWithoutAnimation {
+            dataSource.apply(snapshot)
+        }
+
+        resultsController = SearchResultsViewController()
+        resultsController.exploreNavigationController = self.navigationController!
+        searchController = UISearchController(searchResultsController: resultsController)
+        searchController.searchResultsUpdater = resultsController
+        searchController.searchBar.autocapitalizationType = .none
+        searchController.searchBar.delegate = resultsController
+        definesPresentationContext = true
+        
+        navigationItem.searchController = searchController
+        navigationItem.hidesSearchBarWhenScrolling = false
+    }
+
+    // MARK: - Table view delegate
+    
+    override func tableView(_ tableView: UITableView, didSelectRowAt indexPath: IndexPath) {
+        switch dataSource.itemIdentifier(for: indexPath) {
+        case nil:
+            return
+            
+        case .bookmarks:
+            show(BookmarksTableViewController(), sender: nil)
+            
+        case let .list(id):
+            show(TimelineTableViewController(for: .list(id: id)), sender: nil)
+        }
+    }
+
+}
+
+extension ExploreViewController {
+    enum Section: CaseIterable {
+        case bookmarks
+        case lists
+    }
+    enum Item: Hashable {
+        case bookmarks
+        case list(id: String)
+    }
+    class DataSource: UITableViewDiffableDataSource<Section, Item> {
+        override func tableView(_ tableView: UITableView, titleForHeaderInSection section: Int) -> String? {
+            switch section {
+            case 1:
+                return NSLocalizedString("Lists", comment: "explore lists section title")
+            default:
+                return nil
+            }
+        }
+    }
+}

Tusker/Screens/Main/MainTabBarViewController.swift

@@ -19,7 +19,7 @@ class MainTabBarViewController: UITabBarController, UITabBarControllerDelegate {
             embedInNavigationController(TimelinesPageViewController()),
             embedInNavigationController(NotificationsPageViewController()),
             ComposeViewController(),
-            embedInNavigationController(SearchTableViewController()),
+            embedInNavigationController(ExploreViewController()),
             embedInNavigationController(MyProfileTableViewController()),
         ]
     }
@@ -53,7 +53,7 @@ extension MainTabBarViewController {
         case timelines
         case notifications
         case compose
-        case search
+        case explore
         case myProfile
     }
     

Tusker/Screens/Search/SearchResultsViewController.swift

@@ -1,5 +1,5 @@
 //
-//  SearchTableViewController.swift
+//  SearchResultsViewController.swift
 //  Tusker
 //
 //  Created by Shadowfacts on 9/14/19.
@@ -14,10 +14,11 @@ fileprivate let accountCell = "accountCell"
 fileprivate let statusCell = "statusCell"
 fileprivate let hashtagCell = "hashtagCell"
 
-class SearchTableViewController: EnhancedTableViewController {
+class SearchResultsViewController: EnhancedTableViewController {
+
+    weak var exploreNavigationController: UINavigationController?
     
     var dataSource: UITableViewDiffableDataSource<Section, Item>!
-    let searchController = UISearchController(searchResultsController: nil)
 
     var activityIndicator: UIActivityIndicatorView!
     
@@ -27,8 +28,7 @@ class SearchTableViewController: EnhancedTableViewController {
     init() {
         super.init(style: .grouped)
         
-        title = NSLocalizedString("Search", comment: "search tab title")
+        title = NSLocalizedString("Search", comment: "search screen title")
-        tabBarItem.image = UIImage(systemName: "magnifyingglass")
     }
     
     required init?(coder: NSCoder) {
@@ -62,13 +62,6 @@ class SearchTableViewController: EnhancedTableViewController {
             }
         })
         
-        searchController.searchResultsUpdater = self
-        searchController.obscuresBackgroundDuringPresentation = false
-        searchController.searchBar.placeholder = NSLocalizedString("Search or Enter URL", comment: "search field placeholder")
-        searchController.searchBar.delegate = self
-        navigationItem.searchController = searchController
-        definesPresentationContext = true
-        
         activityIndicator = UIActivityIndicatorView(style: .large)
         activityIndicator.translatesAutoresizingMaskIntoConstraints = false
         activityIndicator.isHidden = true
@@ -87,6 +80,16 @@ class SearchTableViewController: EnhancedTableViewController {
         userActivity = UserActivityManager.searchActivity()
     }
     
+    override func targetViewController(forAction action: Selector, sender: Any?) -> UIViewController? {
+        // if we're showing a view controller, we need to go up to the explore VC's nav controller
+        // the UISearchController that is our parent is not part of the normal VC hierarchy and itself doesn't have a parent
+        if action == #selector(UIViewController.show(_:sender:)),
+            let exploreNavController = exploreNavigationController {
+            return exploreNavController
+        }
+        return super.targetViewController(forAction: action, sender: sender)
+    }
+    
     func performSearch(query: String?) {
         guard let query = query, !query.isEmpty else {
             self.dataSource.apply(NSDiffableDataSourceSnapshot<Section, Item>())
@@ -132,7 +135,7 @@ class SearchTableViewController: EnhancedTableViewController {
 
 }
 
-extension SearchTableViewController {
+extension SearchResultsViewController {
     enum Section: CaseIterable {
         case accounts
         case hashtags
@@ -166,20 +169,20 @@ extension SearchTableViewController {
     }
 }
 
-extension SearchTableViewController: UISearchResultsUpdating {
+extension SearchResultsViewController: UISearchResultsUpdating {
     func updateSearchResults(for searchController: UISearchController) {
         searchSubject.send(searchController.searchBar.text)
     }
 }
 
-extension SearchTableViewController: UISearchBarDelegate {
+extension SearchResultsViewController: UISearchBarDelegate {
     func searchBarTextDidEndEditing(_ searchBar: UISearchBar) {
         // perform a search immedaitely when the search button is pressed
         performSearch(query: searchBar.text?.trimmingCharacters(in: .whitespacesAndNewlines))
     }
 }
 
-extension SearchTableViewController: StatusTableViewCellDelegate {
+extension SearchResultsViewController: StatusTableViewCellDelegate {
     func statusCellCollapsedStateChanged(_ cell: BaseStatusTableViewCell) {
         tableView.beginUpdates()
         tableView.endUpdates()

Tusker/Shortcuts/UserActivityManager.swift

@@ -145,7 +145,7 @@ class UserActivityManager {
         }
     }
     
-    // MARK: - Search
+    // MARK: - Explore
 
     static func searchActivity() -> NSUserActivity {
         let activity = NSUserActivity(type: .search)
@@ -157,9 +157,29 @@ class UserActivityManager {
     
     static func handleSearch(activity: NSUserActivity) {
         let tabBarController = getMainTabBarController()
-        tabBarController.select(tab: .search)
+        tabBarController.select(tab: .explore)
-        if let navigationController = tabBarController.getTabController(tab: .search) as? UINavigationController {
+        if let navigationController = tabBarController.getTabController(tab: .explore) as? UINavigationController,
+            let exploreController = navigationController.viewControllers.first as? ExploreViewController {
             navigationController.popToRootViewController(animated: false)
+            exploreController.searchController.isActive = true
+            exploreController.searchController.searchBar.becomeFirstResponder()
+        }
+    }
+
+    static func bookmarksActivity() -> NSUserActivity {
+        let activity = NSUserActivity(type: .bookmarks)
+        activity.isEligibleForPrediction = true
+        activity.title = NSLocalizedString("View Bookmarks", comment: "bookmarks shortcut title")
+        activity.suggestedInvocationPhrase = NSLocalizedString("Show my bookmarks in Tusker", comment: "bookmarks shortcut invocation phrase")
+        return activity
+    }
+    
+    static func handleBookmarks(activity: NSUserActivity) {
+        let tabBarController = getMainTabBarController()
+        tabBarController.select(tab: .explore)
+        if let navigationController = tabBarController.getTabController(tab: .explore) as? UINavigationController {
+            navigationController.popToRootViewController(animated: false)
+            navigationController.pushViewController(BookmarksTableViewController(), animated: false)
         }
     }
     

Tusker/Shortcuts/UserActivityType.swift

@@ -14,6 +14,7 @@ enum UserActivityType: String {
     case checkMentions = "net.shadowfacts.Tusker.activity.check-mentions"
     case showTimeline = "net.shadowfacts.Tusker.activity.show-timeline"
     case search = "net.shadowfacts.Tusker.activity.search"
+    case bookmarks = "net.shadowfacts.Tusker.activity.bookmarks"
 }
 
 extension UserActivityType {
@@ -29,6 +30,8 @@ extension UserActivityType {
             return UserActivityManager.handleShowTimeline
         case .search:
             return UserActivityManager.handleSearch
+        case .bookmarks:
+            return UserActivityManager.handleBookmarks
         }
     }
 }

Tusker/Views/BasicTableViewCell.xib

@@ -0,0 +1,30 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<document type="com.apple.InterfaceBuilder3.CocoaTouch.XIB" version="3.0" toolsVersion="15701" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" useTraitCollections="YES" useSafeAreas="YES" colorMatched="YES">
+    <device id="retina6_1" orientation="portrait" appearance="light"/>
+    <dependencies>
+        <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="15703"/>
+        <capability name="documents saved in the Xcode 8 format" minToolsVersion="8.0"/>
+    </dependencies>
+    <objects>
+        <placeholder placeholderIdentifier="IBFilesOwner" id="-1" userLabel="File's Owner"/>
+        <placeholder placeholderIdentifier="IBFirstResponder" id="-2" customClass="UIResponder"/>
+        <tableViewCell clipsSubviews="YES" contentMode="scaleToFill" preservesSuperviewLayoutMargins="YES" selectionStyle="default" indentationWidth="10" textLabel="xP3-ps-Bp7" style="IBUITableViewCellStyleDefault" id="QwQ-aK-6Xu">
+            <rect key="frame" x="0.0" y="0.0" width="414" height="44"/>
+            <autoresizingMask key="autoresizingMask"/>
+            <tableViewCellContentView key="contentView" opaque="NO" clipsSubviews="YES" multipleTouchEnabled="YES" contentMode="center" preservesSuperviewLayoutMargins="YES" insetsLayoutMarginsFromSafeArea="NO" tableViewCell="QwQ-aK-6Xu" id="whG-vX-EQq">
+                <rect key="frame" x="0.0" y="0.0" width="414" height="44"/>
+                <autoresizingMask key="autoresizingMask"/>
+                <subviews>
+                    <label opaque="NO" multipleTouchEnabled="YES" contentMode="left" insetsLayoutMarginsFromSafeArea="NO" text="Title" textAlignment="natural" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" id="xP3-ps-Bp7">
+                        <rect key="frame" x="20" y="0.0" width="374" height="44"/>
+                        <autoresizingMask key="autoresizingMask"/>
+                        <fontDescription key="fontDescription" type="system" pointSize="17"/>
+                        <nil key="textColor"/>
+                        <nil key="highlightedColor"/>
+                    </label>
+                </subviews>
+            </tableViewCellContentView>
+            <point key="canvasLocation" x="-113" y="20"/>
+        </tableViewCell>
+    </objects>
+</document>

Tusker/XCallbackURL/XCBActions.swift

@@ -329,12 +329,17 @@ struct XCBActions {
         let query = request.arguments["query"]!
         
         let tabBarController = getMainTabBarController()
-        if let navigationController = tabBarController.getTabController(tab: .search) as? UINavigationController,
+        if let navigationController = tabBarController.getTabController(tab: .explore) as? UINavigationController,
-            let searchController = navigationController.viewControllers.first as? SearchTableViewController {
+            let exploreController = navigationController.viewControllers.first as? ExploreViewController {
-            tabBarController.select(tab: .search)
+            
+            tabBarController.select(tab: .explore)
             navigationController.popToRootViewController(animated: false)
-            searchController.searchController.searchBar.text = query
+            
-            searchController.performSearch(query: query)
+            exploreController.loadViewIfNeeded()
+            exploreController.searchController.isActive = true
+            
+            exploreController.searchController.searchBar.text = query
+            exploreController.resultsController.performSearch(query: query)
         } else {
             session.complete(with: .error)
         }