handle seed view reminder and search bar

Session/Home/HomeVC.swift

@@ -6,7 +6,6 @@
 final class HomeVC : BaseVC, UITableViewDataSource, UITableViewDelegate, NewConversationButtonSetDelegate, SeedReminderViewDelegate {
     private var threads: YapDatabaseViewMappings!
     private var threadViewModelCache: [String:ThreadViewModel] = [:] // Thread ID to ThreadViewModel
-    private var tableViewTopConstraint: NSLayoutConstraint!
     
     private var threadCount: UInt {
         threads.numberOfItems(inGroup: TSInboxGroup)
@@ -102,24 +101,12 @@ final class HomeVC : BaseVC, UITableViewDataSource, UITableViewDelegate, NewConv
         }
         updateNavBarButtons()
         setUpNavBarSessionHeading()
-        // Recovery phrase reminder
-        let hasViewedSeed = UserDefaults.standard[.hasViewedSeed]
-        if !hasViewedSeed {
-            view.addSubview(seedReminderView)
-            seedReminderView.pin(.leading, to: .leading, of: view)
-            seedReminderView.pin(.top, to: .top, of: view)
-            seedReminderView.pin(.trailing, to: .trailing, of: view)
-        }
         // Table view
         tableView.dataSource = self
         tableView.delegate = self
         view.addSubview(tableView)
         tableView.pin(.leading, to: .leading, of: view)
-        if !hasViewedSeed {
-            tableViewTopConstraint = tableView.pin(.top, to: .bottom, of: seedReminderView)
-        } else {
-            tableViewTopConstraint = tableView.pin(.top, to: .top, of: view, withInset: Values.smallSpacing)
-        }
+        tableView.pin(.top, to: .top, of: view, withInset: Values.verySmallSpacing)
         tableView.pin(.trailing, to: .trailing, of: view)
         tableView.pin(.bottom, to: .bottom, of: view)
         view.addSubview(fadeView)
@@ -178,11 +165,14 @@ final class HomeVC : BaseVC, UITableViewDataSource, UITableViewDelegate, NewConv
         searchBarContainer.addSubview(searchBar)
         searchBar.autoPinEdgesToSuperviewMargins()
         tableView.tableHeaderView = searchBarContainer
+        if #available(iOS 15.0, *) {
+            tableView.sectionHeaderTopPadding = 0
+        }
         
         addChild(searchResultsController)
         view.addSubview(searchResultsController.view)
         searchResultsController.view.autoPinEdgesToSuperviewEdges(with: .zero, excludingEdge: .top)
-        searchResultsController.view.autoPinEdge(toSuperviewEdge: .top, withInset: 64)
+        searchResultsController.view.autoPinEdge(toSuperviewEdge: .top, withInset: 60)
         searchResultsController.view.isHidden = true
     }
     
@@ -221,6 +211,22 @@ final class HomeVC : BaseVC, UITableViewDataSource, UITableViewDelegate, NewConv
         cell.threadViewModel = threadViewModel(at: indexPath.row)
         return cell
     }
+    
+    func tableView(_ tableView: UITableView, viewForHeaderInSection section: Int) -> UIView? {
+        let hasViewedSeed = UserDefaults.standard[.hasViewedSeed]
+        if !hasViewedSeed {
+            return seedReminderView
+        }
+        return UIView()
+    }
+    
+    func tableView(_ tableView: UITableView, heightForHeaderInSection section: Int) -> CGFloat {
+        let hasViewedSeed = UserDefaults.standard[.hasViewedSeed]
+        if !hasViewedSeed {
+            return UITableView.automaticDimension
+        }
+        return .leastNonzeroMagnitude
+    }
         
     // MARK: Updating
     private func reload() {
@@ -299,9 +305,7 @@ final class HomeVC : BaseVC, UITableViewDataSource, UITableViewDelegate, NewConv
     }
     
     @objc private func handleSeedViewedNotification(_ notification: Notification) {
-        tableViewTopConstraint.isActive = false
-        tableViewTopConstraint = tableView.pin(.top, to: .top, of: view, withInset: Values.smallSpacing)
-        seedReminderView.removeFromSuperview()
+        self.tableView.reloadSections(IndexSet(integer: 0), with: .none) // TODO: Just reload header
     }
 
     @objc private func handleBlockedContactsUpdatedNotification(_ notification: Notification) {