From 86581223ea96b944a077afa07feec20a85c48f95 Mon Sep 17 00:00:00 2001
From: Vlad <Suhomlinov.dev@gmail.com>
Date: Mon, 31 Aug 2020 23:09:34 +0300
Subject: [PATCH] Add comments

---
 .../Sources/Views/RefreshControl/RefreshControl.swift        | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/TIUIElements/Sources/Views/RefreshControl/RefreshControl.swift b/TIUIElements/Sources/Views/RefreshControl/RefreshControl.swift
index 64c4baab..129b84d4 100644
--- a/TIUIElements/Sources/Views/RefreshControl/RefreshControl.swift
+++ b/TIUIElements/Sources/Views/RefreshControl/RefreshControl.swift
@@ -4,6 +4,7 @@ open class RefreshControl: UIRefreshControl {
     private var action: Selector?
     private var target: NSObjectProtocol?
 
+    // Handle .valueChanged event of refresh control
     public override func addTarget(_ target: Any?, action: Selector, for controlEvents: UIControl.Event) {
         guard case .valueChanged = controlEvents else {
             return super.addTarget(target, action: action, for: controlEvents)
@@ -28,18 +29,22 @@ open class RefreshControl: UIRefreshControl {
             return super.sendActions(for: controlEvents)
         }
 
+        // Perform target's action
         if action != nil, target != nil {
             performRefreshAction()
         }
     }
     
     open override func endRefreshing() {
+        // Due to Apple's recommends
         CFRunLoopPerformBlock(CFRunLoopGetMain(), CFRunLoopMode.defaultMode.rawValue) {
             super.endRefreshing()
         }
     }    
     
     private func performRefreshAction() {
+        // It is implemented the combined behavior of `touchUpInside` and `touchUpOutside` using `CFRunLoopPerformBlock`,
+        // which `UIRefreshControl` does not support
         CFRunLoopPerformBlock(CFRunLoopGetMain(), CFRunLoopMode.defaultMode.rawValue) { [weak self] in
             guard let action = self?.action else {
                 return