Add .leading and .trailing animation direction

Also added `.leadingToTrailing` and `trailingToLeading` Cascade direction
HeroTransitions · Aug 30, 2018 · ea114d3 · ea114d3
1 parent faae3a1
commit ea114d3
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Showing 2 changed files with 24 additions and 10 deletions.
diff --git a/Sources/Preprocessors/CascadePreprocessor.swift b/Sources/Preprocessors/CascadePreprocessor.swift
@@ -62,10 +62,22 @@ public enum CascadeDirection {
       self = .rightToLeft
     case "topToBottom":
       self = .topToBottom
+    case "leadingToTrailing":
+      self = .leadingToTrailing
+    case "trailingToLeading":
+      self = .trailingToLeading
     default:
       return nil
     }
   }
+
+  public static var leadingToTrailing: CascadeDirection {
+    return UIApplication.shared.userInterfaceLayoutDirection == .leftToRight ? .leftToRight : .rightToLeft
+  }
+
+  public static var trailingToLeading: CascadeDirection {
+    return UIApplication.shared.userInterfaceLayoutDirection == .leftToRight ? .rightToLeft : .leftToRight
+  }
 
   private func topToBottomComperator(lhs: UIView, rhs: UIView) -> Bool {
     return lhs.frame.minY < rhs.frame.minY

diff --git a/Sources/Preprocessors/DefaultAnimationPreprocessor.swift b/Sources/Preprocessors/DefaultAnimationPreprocessor.swift
@@ -31,9 +31,19 @@ public enum HeroDefaultAnimationType {
       case "right": return .right
       case "up": return .up
       case "down": return .down
+      case "leading": return .leading
+      case "trailing": return .trailing
       default: return nil
       }
     }
+
+    public static var leading: Direction {
+      return UIApplication.shared.userInterfaceLayoutDirection == .leftToRight ? .left : .right
+    }
+
+    public static var trailing: Direction {
+      return UIApplication.shared.userInterfaceLayoutDirection == .leftToRight ? .right : .left
+    }
   }
   case auto
   case push(direction: Direction)
@@ -249,17 +259,9 @@ class DefaultAnimationPreprocessor: BasePreprocessor {
       if animators.contains(where: { $0.canAnimate(view: toView, appearing: true) || $0.canAnimate(view: fromView, appearing: false) }) {
         defaultAnimation = .none
       } else if inNavigationController {
-        if UIApplication.shared.userInterfaceLayoutDirection == .leftToRight {
-          defaultAnimation = presenting ? .push(direction:.left) : .pull(direction:.right)
-        } else {
-          defaultAnimation = presenting ? .push(direction:.right) : .pull(direction:.left)
-        }
+        defaultAnimation = presenting ? .push(direction:.leading) : .pull(direction:.trailing)
       } else if inTabBarController {
-        if UIApplication.shared.userInterfaceLayoutDirection == .leftToRight {
-          defaultAnimation = presenting ? .slide(direction:.left) : .slide(direction:.right)
-        } else {
-          defaultAnimation = presenting ? .slide(direction:.right) : .slide(direction:.left)
-        }
+        defaultAnimation = presenting ? .push(direction:.leading) : .pull(direction:.trailing)
       } else {
         defaultAnimation = .fade
       }