added center alignment for tooltips

.mapping.json

@@ -9668,6 +9668,8 @@
   "client/ios/Tests/reference_snapshots/TooltipFactorySnapshotTests/Orientations_bottomRight_68x37@3x.png":"divkit/public/client/ios/Tests/reference_snapshots/TooltipFactorySnapshotTests/Orientations_bottomRight_68x37@3x.png",
   "client/ios/Tests/reference_snapshots/TooltipFactorySnapshotTests/Orientations_bottom_67x39@2x.png":"divkit/public/client/ios/Tests/reference_snapshots/TooltipFactorySnapshotTests/Orientations_bottom_67x39@2x.png",
   "client/ios/Tests/reference_snapshots/TooltipFactorySnapshotTests/Orientations_bottom_67x39@3x.png":"divkit/public/client/ios/Tests/reference_snapshots/TooltipFactorySnapshotTests/Orientations_bottom_67x39@3x.png",
+  "client/ios/Tests/reference_snapshots/TooltipFactorySnapshotTests/Orientations_center_67x43@2x.png":"divkit/public/client/ios/Tests/reference_snapshots/TooltipFactorySnapshotTests/Orientations_center_67x43@2x.png",
+  "client/ios/Tests/reference_snapshots/TooltipFactorySnapshotTests/Orientations_center_67x43@3x.png":"divkit/public/client/ios/Tests/reference_snapshots/TooltipFactorySnapshotTests/Orientations_center_67x43@3x.png",
   "client/ios/Tests/reference_snapshots/TooltipFactorySnapshotTests/Orientations_left_74x32@2x.png":"divkit/public/client/ios/Tests/reference_snapshots/TooltipFactorySnapshotTests/Orientations_left_74x32@2x.png",
   "client/ios/Tests/reference_snapshots/TooltipFactorySnapshotTests/Orientations_left_74x32@3x.png":"divkit/public/client/ios/Tests/reference_snapshots/TooltipFactorySnapshotTests/Orientations_left_74x32@3x.png",
   "client/ios/Tests/reference_snapshots/TooltipFactorySnapshotTests/Orientations_right_74x32@2x.png":"divkit/public/client/ios/Tests/reference_snapshots/TooltipFactorySnapshotTests/Orientations_right_74x32@2x.png",

client/ios/DivKit/Extensions/DivBase/DivBaseExtensions.swift

@@ -398,6 +398,7 @@ extension DivTooltip.Position {
     case .bottomRight: return .bottomRight
     case .bottom: return .bottom
     case .bottomLeft: return .bottomLeft
+    case .center: return .center
     }
   }
 }

client/ios/DivKit/generated_sources/DivTooltip.swift

@@ -7,14 +7,15 @@ import Serialization
 public final class DivTooltip {
   @frozen
   public enum Position: String, CaseIterable {
-    case left = "left"
+    case left
     case topLeft = "top-left"
-    case top = "top"
+    case top
     case topRight = "top-right"
-    case right = "right"
+    case right
     case bottomRight = "bottom-right"
-    case bottom = "bottom"
+    case bottom
     case bottomLeft = "bottom-left"
+    case center
   }
 
   public let animationIn: DivAnimation?

client/ios/LayoutKit/LayoutKit/Blocks/BlockTooltip+Layout.swift

@@ -23,6 +23,7 @@ extension CGRect {
     case .bottomRight: return coordinate(ofCorner: .bottomRight)
     case .bottom: return CGPoint(x: midX, y: maxY)
     case .bottomLeft: return coordinate(ofCorner: .bottomLeft)
+    case .center: return CGPoint(x: midX, y: midY)
     }
   }
 }
@@ -38,6 +39,7 @@ extension BlockTooltip.Position {
     case .bottomRight: return .topLeft
     case .bottom: return .top
     case .bottomLeft: return .topRight
+    case .center: return .center
     }
   }
 }
@@ -66,6 +68,8 @@ extension CGRect {
       origin = coordinate.movingX(by: -0.5 * size.width).movingY(by: -size.height)
     case .bottomLeft:
       origin = coordinate.movingY(by: -size.height)
+    case .center:
+      origin = coordinate.movingX(by: -0.5 * size.width).movingY(by: -size.height / 2)
     }
     self.init(origin: origin, size: size)
   }

client/ios/LayoutKit/LayoutKit/Blocks/BlockTooltip.swift

@@ -12,6 +12,7 @@ public struct BlockTooltip: Equatable {
     case bottomRight
     case bottom
     case bottomLeft
+    case center
   }
 
   public let id: String

client/ios/LayoutKit/LayoutKit/Tooltips/TooltipFactory.swift

@@ -66,6 +66,11 @@ extension BlockTooltip.Position {
         cornerTailSize,
         drawingHandler: { drawCornerTail(style: .topRight, color: color, context: $0) }
       )
+    case .center:
+      imageHolder = Image.imageOfSize(
+        cornerTailSize,
+        drawingHandler: { _ in }
+      )
     }
     return ImageBlock(imageHolder: imageHolder!)
   }
@@ -130,6 +135,13 @@ extension BlockTooltip.Position {
           makeTail(color: theme.backgroundColor),
         ]
       )
+    case .center:
+      return try! ContainerBlock(
+        layoutDirection: .vertical,
+        horizontalChildrenAlignment: .center,
+        gaps: [0, -1, 0],
+        children: [makeTail(color: theme.backgroundColor), child]
+      )
     }
   }
 }