Merge branch 'fix/custom-view' into develop

Author: Felix Desiderato

Sources/SwiftTooltipKit/Tooltip+Configuration.swift

@@ -49,6 +49,10 @@ public extension Tooltip {
         public var dismissAutomatically: Bool = false
         /// If `dismissAutomatically`is set to true, this can be used to set the time interval after which the tooltip is dismissed. Defaults to `2.5` seconds.
         public var timeToDimiss: TimeInterval = 2.5
+        /// Optional Callback that is executed when the tooltip is dismissed.
+        public var onDismiss: (() -> Void)? = nil
+        /// Optional Callback that is executed when the tooltip is shown.
+        public var onPresent: (() -> Void)? = nil
         /// Default init.
         public init() {}
     }

Sources/SwiftTooltipKit/Tooltip.swift

@@ -401,6 +401,7 @@ open class Tooltip: UIView {
             options: configuration.animationConfiguration.animationOptions,
             animations: { [weak self] in
                 self?.alpha = 0
+                self?.configuration.onDismiss?()
             },
             completion: { [weak self] _ in
                 self?.isHidden = true
@@ -416,14 +417,15 @@ open class Tooltip: UIView {
             delay: configuration.animationConfiguration.animationDelay,
             options: configuration.animationConfiguration.animationOptions,
             animations: { [unowned self] in
+                self.configuration.onPresent?()
                 self.alpha = 1
             }
         )
     }
 
     private func warningMsg() -> String {
         """
-            LAYOUT ERROR:
+            LAYOUT WARNING:
         
             It seems that the view displayed as a tooltip is too large!
             Please make sure that size of the tooltip is valid and try again.