From 0ee16d1e53fa5ae36b0bfc5cf407bdfaa9f63d7c Mon Sep 17 00:00:00 2001
From: Dylan <dylan@liao.com>
Date: Tue, 10 Apr 2018 10:56:56 +0800
Subject: [PATCH] fix contentinset bug

---
 PullToRefresh/PullToRefresh.swift      | 5 ++---
 PullToRefreshDemo/ViewController.swift | 2 +-
 2 files changed, 3 insertions(+), 4 deletions(-)

diff --git a/PullToRefresh/PullToRefresh.swift b/PullToRefresh/PullToRefresh.swift
index ac7fe1c..93c76ad 100644
--- a/PullToRefresh/PullToRefresh.swift
+++ b/PullToRefresh/PullToRefresh.swift
@@ -145,7 +145,7 @@ extension PullToRefresh {
             var offset: CGFloat
             switch position {
             case .top:
-                offset = previousScrollViewOffset.y + scrollViewDefaultInsets.top
+                offset = previousScrollViewOffset.y
                 
             case .bottom:
                 if scrollView!.contentSize.height > scrollView!.bounds.height {
@@ -272,7 +272,6 @@ private extension PullToRefresh {
             return
         }
         
-        scrollView.contentOffset = previousScrollViewOffset
         scrollView.bounces = false
         UIView.animate(
             withDuration: 0.3,
@@ -322,7 +321,7 @@ private extension PullToRefresh {
     var isCurrentlyVisible: Bool {
         guard let scrollView = scrollView else { return false }
         
-        return scrollView.normalizedContentOffset.y <= -scrollViewDefaultInsets.top
+        return scrollView.normalizedContentOffset.y <= 0
     }
     
     func bringRefreshViewToSuperview() {
diff --git a/PullToRefreshDemo/ViewController.swift b/PullToRefreshDemo/ViewController.swift
index a0e2dd6..2eb8d8e 100644
--- a/PullToRefreshDemo/ViewController.swift
+++ b/PullToRefreshDemo/ViewController.swift
@@ -18,7 +18,7 @@ class ViewController: UIViewController {
     
     override func viewDidLoad() {
         super.viewDidLoad()
-        
+        tableView.contentInset = UIEdgeInsets(top: 100, left: 0, bottom: 0, right: 0)
         setupPullToRefresh()
     }