refactor on session search bar decoration

Session/Conversations/ConversationVC.swift

@@ -560,26 +560,7 @@ final class ConversationVC : BaseVC, ConversationViewModelDelegate, OWSConversat
         // Search bar
         // FIXME: This code is duplicated with SearchBar
         let searchBar = searchController.uiSearchController.searchBar
-        searchBar.searchBarStyle = .minimal
-        searchBar.barStyle = .black
-        searchBar.tintColor = Colors.text
-        let searchIcon = UIImage(named: "searchbar_search")!.asTintedImage(color: Colors.searchBarPlaceholder)
-        searchBar.setImage(searchIcon, for: .search, state: UIControl.State.normal)
-        let clearIcon = UIImage(named: "searchbar_clear")!.asTintedImage(color: Colors.searchBarPlaceholder)
-        searchBar.setImage(clearIcon, for: .clear, state: UIControl.State.normal)
-        let searchTextField: UITextField
-        if #available(iOS 13, *) {
-            searchTextField = searchBar.searchTextField
-        } else {
-            searchTextField = searchBar.value(forKey: "_searchField") as! UITextField
-        }
-        searchTextField.backgroundColor = Colors.searchBarBackground
-        searchTextField.textColor = Colors.text
-        searchTextField.attributedPlaceholder = NSAttributedString(string: "Search", attributes: [ .foregroundColor : Colors.searchBarPlaceholder ])
-        searchTextField.keyboardAppearance = isLightMode ? .default : .dark
-        searchBar.setPositionAdjustment(UIOffset(horizontal: 4, vertical: 0), for: .search)
-        searchBar.searchTextPositionAdjustment = UIOffset(horizontal: 2, vertical: 0)
-        searchBar.setPositionAdjustment(UIOffset(horizontal: -4, vertical: 0), for: .clear)
+        searchBar.setUpSessionStyle()
         
         let searchBarContainer = UIView()
         searchBarContainer.layoutMargins = UIEdgeInsets.zero

SessionUIKit/Components/SearchBar.swift

@@ -4,18 +4,21 @@ public final class SearchBar : UISearchBar {
     
     public override init(frame: CGRect) {
         super.init(frame: frame)
-        setUpStyle()
+        setUpSessionStyle()
     }
     
     public required init?(coder: NSCoder) {
         super.init(coder: coder)
-        setUpStyle()
+        setUpSessionStyle()
     }
+}
+
+public extension UISearchBar {
     
-    private func setUpStyle() {
+    func setUpSessionStyle() {
         searchBarStyle = .minimal // Hide the border around the search bar
         barStyle = .black // Use Apple's black design as a base
-        tintColor = Colors.accent // The cursor color
+        tintColor = Colors.text // The cursor color
         let searchImage = #imageLiteral(resourceName: "searchbar_search").withTint(Colors.searchBarPlaceholder)!
         setImage(searchImage, for: .search, state: .normal)
         let clearImage = #imageLiteral(resourceName: "searchbar_clear").withTint(Colors.searchBarPlaceholder)!