[ios] remove primary green background from the search screen header

Signed-off-by: Kiryl Kaveryn <kirylkaveryn@gmail.com>

iphone/Maps/Classes/Components/TabView/TabView.swift

@@ -19,6 +19,8 @@ fileprivate class ContentCell: UICollectionViewCell {
 
 fileprivate class HeaderCell: UICollectionViewCell {
   private let label = UILabel()
+  private var selectedAttributes: [NSAttributedString.Key : Any] = [:]
+  private var deselectedAttributes: [NSAttributedString.Key : Any] = [:]
 
   override init(frame: CGRect) {
     super.init(frame: frame)
@@ -32,21 +34,31 @@ fileprivate class HeaderCell: UICollectionViewCell {
     label.textAlignment = .center
   }
 
-  var attributedText: NSAttributedString? {
+  override var isSelected: Bool {
     didSet {
-      label.attributedText = attributedText
+      label.attributedText = NSAttributedString(string: label.text ?? "",
+                                            attributes: isSelected ? selectedAttributes : deselectedAttributes)
     }
   }
 
   override func prepareForReuse() {
     super.prepareForReuse()
-    attributedText = nil
+    label.attributedText = nil
   }
 
   override func layoutSubviews() {
     super.layoutSubviews()
     label.frame = contentView.bounds
   }
+
+  func configureWith(selectedAttributes: [NSAttributedString.Key : Any],
+                     deselectedAttributes: [NSAttributedString.Key : Any],
+                     text: String) {
+    self.selectedAttributes = selectedAttributes
+    self.deselectedAttributes = deselectedAttributes
+    label.attributedText = NSAttributedString(string: text.uppercased(),
+                                              attributes: deselectedAttributes)
+  }
 }
 
 protocol TabViewDataSource: AnyObject {
@@ -88,7 +100,7 @@ class TabView: UIView {
     }
   }
 
-  var headerTextAttributes: [NSAttributedString.Key : Any] = [
+  var selectedHeaderTextAttributes: [NSAttributedString.Key : Any] = [
     .foregroundColor : UIColor.white,
     .font : UIFont.systemFont(ofSize: 14, weight: .semibold)
     ] {
@@ -97,6 +109,15 @@ class TabView: UIView {
     }
   }
 
+  var deselectedHeaderTextAttributes: [NSAttributedString.Key : Any] = [
+    .foregroundColor : UIColor.gray,
+    .font : UIFont.systemFont(ofSize: 14, weight: .semibold)
+    ] {
+    didSet {
+      tabsCollectionView.reloadData()
+    }
+  }
+
   var contentFrame: CGRect {
     safeAreaLayoutGuide.layoutFrame
   }
@@ -145,14 +166,10 @@ class TabView: UIView {
 
     slidingView.backgroundColor = tintColor
 
-    headerView.layer.shadowOffset = CGSize(width: 0, height: 2)
-    headerView.layer.shadowColor = UIColor(white: 0, alpha: 1).cgColor
-    headerView.layer.shadowOpacity = 0.12
-    headerView.layer.shadowRadius = 2
-    headerView.layer.masksToBounds = false
     headerView.backgroundColor = barTintColor
     headerView.addSubview(tabsCollectionView)
     headerView.addSubview(slidingView)
+    headerView.addSeparator(.bottom)
   }
 
   private func configureContent() {
@@ -235,7 +252,12 @@ extension TabView : UICollectionViewDataSource {
       cell = collectionView.dequeueReusableCell(withReuseIdentifier: CellId.header, for: indexPath)
       if let headerCell = cell as? HeaderCell {
         let title = dataSource?.tabView(self, titleAt: indexPath.item) ?? ""
-        headerCell.attributedText = NSAttributedString(string: title.uppercased(), attributes: headerTextAttributes)
+        headerCell.configureWith(selectedAttributes: selectedHeaderTextAttributes,
+                                 deselectedAttributes: deselectedHeaderTextAttributes,
+                                 text: title)
+        if indexPath.item == selectedIndex {
+          collectionView.selectItem(at: indexPath, animated: false, scrollPosition: [])
+        }
       }
     }
 
@@ -264,7 +286,8 @@ extension TabView : UICollectionViewDelegateFlowLayout {
 
   func collectionView(_ collectionView: UICollectionView, didSelectItemAt indexPath: IndexPath) {
     if (collectionView == tabsCollectionView) {
-      if selectedIndex != indexPath.item {
+      let isSelected = selectedIndex == indexPath.item
+      if !isSelected {
         selectedIndex = indexPath.item
         tabsContentCollectionView.scrollToItem(at: indexPath, at: .left, animated: true)
         delegate?.tabView(self, didSelectTabAt: selectedIndex!)
@@ -272,6 +295,12 @@ extension TabView : UICollectionViewDelegateFlowLayout {
     }
   }
 
+  func collectionView(_ collectionView: UICollectionView, didDeselectItemAt indexPath: IndexPath) {
+    if (collectionView == tabsCollectionView) {
+      collectionView.deselectItem(at: indexPath, animated: false)
+    }
+  }
+
   func collectionView(_ collectionView: UICollectionView,
                       layout collectionViewLayout: UICollectionViewLayout,
                       sizeForItemAt indexPath: IndexPath) -> CGSize {

iphone/Maps/Core/Theme/GlobalStyleSheet.swift

@@ -4,6 +4,7 @@ enum GlobalStyleSheet: String, CaseIterable {
   case tableViewCell = "MWMTableViewCell"
   case defaultTableViewCell
   case tableViewHeaderFooterView = "TableViewHeaderFooterView"
+  case defaultSearchBar
   case searchBar = "SearchBar"
   case navigationBar = "NavigationBar"
   case navigationBarItem = "NavigationBarItem"
@@ -95,6 +96,14 @@ extension GlobalStyleSheet: IStyleSheet {
         s.font = fonts.medium14
         s.fontColor = colors.blackSecondaryText
       }
+    case .defaultSearchBar:
+      return .add { s in
+        s.backgroundColor = colors.pressBackground
+        s.barTintColor = colors.clear
+        s.fontColor = colors.blackPrimaryText
+        s.fontColorDetailed = UIColor.white
+        s.tintColor = colors.blackSecondaryText
+      }
     case .searchBar:
       return .add { s in
         s.backgroundColor = colors.white
@@ -224,10 +233,11 @@ extension GlobalStyleSheet: IStyleSheet {
       }
     case .tabView:
       return .add { s in
-        s.backgroundColor = colors.pressBackground
-        s.barTintColor = colors.primary
-        s.tintColor = colors.white
-        s.fontColor = colors.whitePrimaryText
+        s.backgroundColor = colors.white
+        s.barTintColor = colors.white
+        s.tintColor = colors.linkBlue
+        s.fontColor = colors.blackSecondaryText
+        s.fontColorHighlighted = colors.linkBlue
         s.font = fonts.medium14
       }
     case .dialogView:

iphone/Maps/Core/Theme/Renderers/TabViewRenderer.swift

@@ -21,8 +21,12 @@ class TabViewRenderer {
     if let tintColor = style.tintColor {
       control.tintColor = tintColor
     }
+    if let font = style.font, let fontColor = style.fontColorHighlighted {
+      control.selectedHeaderTextAttributes = [.foregroundColor: fontColor,
+                                      .font: font]
+    }
     if let font = style.font, let fontColor = style.fontColor {
-      control.headerTextAttributes = [.foregroundColor: fontColor,
+      control.deselectedHeaderTextAttributes = [.foregroundColor: fontColor,
                                       .font: font]
     }
   }

iphone/Maps/Core/Theme/SearchStyleSheet.swift

@@ -18,8 +18,8 @@ extension SearchStyleSheet: IStyleSheet {
       }
     case .searchCancelButton:
       return .add { s in
-        s.fontColor = colors.whitePrimaryText
-        s.fontColorHighlighted = colors.whitePrimaryTextHighlighted
+        s.fontColor = colors.linkBlue
+        s.fontColorHighlighted = colors.linkBlueHighlighted
         s.font = fonts.regular17
         s.backgroundColor = .clear
       }

iphone/Maps/UI/Search/SearchOnMap/SearchOnMapHeaderView.swift

@@ -24,6 +24,7 @@ final class SearchOnMapHeaderView: UIView {
   private let searchBar = UISearchBar()
   private let cancelButton = UIButton()
   private let cancelContainer = UIView()
+  private var separator: UIView?
 
   override init(frame: CGRect) {
     super.init(frame: frame)
@@ -37,7 +38,7 @@ final class SearchOnMapHeaderView: UIView {
   }
 
   private func setupView() {
-    setStyle(.primaryBackground)
+    setStyle(.background)
 
     setupGrabberView()
     setupGrabberTapHandlerView()
@@ -61,6 +62,7 @@ final class SearchOnMapHeaderView: UIView {
   }
 
   private func setupSearchBar() {
+    searchBar.setStyle(.defaultSearchBar)
     searchBar.placeholder = L("search")
     searchBar.showsCancelButton = false
     if #available(iOS 13.0, *) {
@@ -71,7 +73,7 @@ final class SearchOnMapHeaderView: UIView {
   }
 
   private func setupCancelButton() {
-    cancelContainer.setStyle(.primaryBackground)
+    cancelContainer.setStyle(.background)
     cancelButton.setStyle(.searchCancelButton)
     cancelButton.setTitle(L("cancel"), for: .normal)
     cancelButton.addTarget(self, action: #selector(cancelButtonDidTap), for: .touchUpInside)
@@ -83,6 +85,7 @@ final class SearchOnMapHeaderView: UIView {
     addSubview(searchBar)
     addSubview(cancelContainer)
     cancelContainer.addSubview(cancelButton)
+    separator = addSeparator(.bottom)
 
     grabberView.translatesAutoresizingMaskIntoConstraints = false
     grabberTapHandlerView.translatesAutoresizingMaskIntoConstraints = false
@@ -142,4 +145,8 @@ final class SearchOnMapHeaderView: UIView {
   var searchQuery: SearchQuery {
     SearchQuery(searchBar.text ?? "", locale: searchBar.textInputMode?.primaryLanguage, source: .typedText)
   }
+
+  func setSeparatorHidden(_ hidden: Bool) {
+    separator?.isHidden = hidden
+  }
 }

iphone/Maps/UI/Search/SearchOnMap/SearchOnMapViewController.swift

@@ -167,8 +167,8 @@ final class SearchOnMapViewController: UIViewController {
     }
     view.addSubview(availableAreaView)
     availableAreaView.addSubview(contentView)
-    contentView.addSubview(headerView)
     contentView.addSubview(searchResultsView)
+    contentView.addSubview(headerView)
 
     contentView.translatesAutoresizingMaskIntoConstraints = false
     headerView.translatesAutoresizingMaskIntoConstraints = false
@@ -309,6 +309,7 @@ final class SearchOnMapViewController: UIViewController {
     case .searching:
       break
     }
+    headerView.setSeparatorHidden(content == .historyAndCategory)
     showView(viewToShow(for: content))
   }