From d3471bafe9f8a3ee5517e5c7d312d96694348eec Mon Sep 17 00:00:00 2001
From: Andrey Gluhih <andrei.gluhih@e-legion.com>
Date: Tue, 14 Jul 2020 14:33:37 +0300
Subject: [PATCH] Add ability to choose inset and visiablity for scroll view

---
 .../PanModalPresentationController.swift           |  4 ++--
 .../Presentable/PanModalPresentable+Defaults.swift |  8 ++++++++
 PanModal/Presentable/PanModalPresentable.swift     | 14 ++++++++++++++
 .../User Groups/UserGroupViewController.swift      |  1 -
 4 files changed, 24 insertions(+), 3 deletions(-)

diff --git a/PanModal/Controller/PanModalPresentationController.swift b/PanModal/Controller/PanModalPresentationController.swift
index 885b3d07..b9d4b7d4 100644
--- a/PanModal/Controller/PanModalPresentationController.swift
+++ b/PanModal/Controller/PanModalPresentationController.swift
@@ -446,7 +446,7 @@ private extension PanModalPresentationController {
          Set the appropriate contentInset as the configuration within this class
          offsets it
          */
-        scrollView.contentInset.bottom = presentingViewController.bottomLayoutGuide.length
+        scrollView.contentInset.bottom = presentable?.bottomScrollInset ?? presentingViewController.bottomLayoutGuide.length
 
         /**
          As we adjust the bounds during `handleScrollViewTopBounce`
@@ -771,7 +771,7 @@ private extension PanModalPresentationController {
      */
     func trackScrolling(_ scrollView: UIScrollView) {
         scrollViewYOffset = max(scrollView.contentOffset.y, 0)
-        scrollView.showsVerticalScrollIndicator = true
+        scrollView.showsVerticalScrollIndicator = presentable?.shouldShowScrollIndicator ?? true
     }
 
     /**
diff --git a/PanModal/Presentable/PanModalPresentable+Defaults.swift b/PanModal/Presentable/PanModalPresentable+Defaults.swift
index 76a0679f..21193f90 100644
--- a/PanModal/Presentable/PanModalPresentable+Defaults.swift
+++ b/PanModal/Presentable/PanModalPresentable+Defaults.swift
@@ -124,5 +124,13 @@ public extension PanModalPresentable where Self: UIViewController {
     func panModalDidDismiss() {
 
     }
+    
+    var shouldShowScrollIndicator: Bool {
+        return true
+    }
+    
+    var bottomScrollInset: CGFloat? {
+        return nil
+    }
 }
 #endif
diff --git a/PanModal/Presentable/PanModalPresentable.swift b/PanModal/Presentable/PanModalPresentable.swift
index 76c15015..6ecc5c2a 100644
--- a/PanModal/Presentable/PanModalPresentable.swift
+++ b/PanModal/Presentable/PanModalPresentable.swift
@@ -233,5 +233,19 @@ public protocol PanModalPresentable: AnyObject {
      Default value is an empty implementation.
      */
     func panModalDidDismiss()
+    
+    /**
+     A flag to determine should we show scroll indicator in normal state for scroll view
+
+     Default value is true.
+     */
+    var shouldShowScrollIndicator: Bool { get }
+    
+    /**
+     The inset for scroll view which will override default one (bottomLayoutGuide.height)
+
+     Default value is true.
+     */
+    var bottomScrollInset: CGFloat? { get }
 }
 #endif
diff --git a/Sample/View Controllers/User Groups/UserGroupViewController.swift b/Sample/View Controllers/User Groups/UserGroupViewController.swift
index e06ad5c5..0800116b 100644
--- a/Sample/View Controllers/User Groups/UserGroupViewController.swift	
+++ b/Sample/View Controllers/User Groups/UserGroupViewController.swift	
@@ -118,5 +118,4 @@ class UserGroupViewController: UITableViewController, PanModalPresentable {
         isShortFormEnabled = false
         panModalSetNeedsLayoutUpdate()
     }
-
 }