From 86d60c1a21033d4fa575fd6fbe83482d5061c4a7 Mon Sep 17 00:00:00 2001
From: Ruslan Skorb <ruslan@rsk-lab.com>
Date: Thu, 18 Jul 2019 21:17:55 +0300
Subject: [PATCH] [Sources] [RSKGrowingTextView] Handle
 `UITextView.textDidChangeNotification`.

Fixes #18.
---
 RSKGrowingTextView/RSKGrowingTextView.swift | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/RSKGrowingTextView/RSKGrowingTextView.swift b/RSKGrowingTextView/RSKGrowingTextView.swift
index 096052e..2909dcf 100644
--- a/RSKGrowingTextView/RSKGrowingTextView.swift
+++ b/RSKGrowingTextView/RSKGrowingTextView.swift
@@ -180,6 +180,11 @@ public typealias HeightChangeUserActionsBlockType = ((_ oldHeight: CGFloat, _ ne
     
     // MARK: - Object Lifecycle
     
+    deinit {
+        
+        NotificationCenter.default.removeObserver(self, name: UITextView.textDidChangeNotification, object: self)
+    }
+    
     required public init?(coder aDecoder: NSCoder) {
         calculationLayoutManager.addTextContainer(calculationTextContainer)
         super.init(coder: aDecoder)
@@ -192,6 +197,13 @@ public typealias HeightChangeUserActionsBlockType = ((_ oldHeight: CGFloat, _ ne
         commonInitializer()
     }
     
+    // MARK: - Actions
+    
+    @objc private func handleRSKGrowingTextViewTextDidChangeNotification(_ notification: Notification) {
+        
+        refreshHeightIfNeededAnimated(animateHeightChange)
+    }
+    
     // MARK: - Private API
     
     private func commonInitializer() {
@@ -206,6 +218,8 @@ public typealias HeightChangeUserActionsBlockType = ((_ oldHeight: CGFloat, _ ne
                 break
             }
         }
+        
+        NotificationCenter.default.addObserver(self, selector: #selector(RSKGrowingTextView.handleRSKGrowingTextViewTextDidChangeNotification(_:)), name: UITextView.textDidChangeNotification, object: self)
     }
     
     private func heightForNumberOfLines(_ numberOfLines: Int) -> CGFloat {