From 21bcb6f268beb485fdabf77111c4000333c8b685 Mon Sep 17 00:00:00 2001
From: Marco Cancellieri <marco@cancellieri.de>
Date: Thu, 14 Mar 2019 18:03:25 +0100
Subject: [PATCH] Add Intrinsic Height

---
 PanModal/Presentable/PanModalHeight.swift                   | 4 ++++
 .../Presentable/PanModalPresentable+LayoutHelpers.swift     | 6 ++++++
 .../StackedProfileViewController.swift                      | 3 ++-
 3 files changed, 12 insertions(+), 1 deletion(-)

diff --git a/PanModal/Presentable/PanModalHeight.swift b/PanModal/Presentable/PanModalHeight.swift
index 6949d9b..fae6dd6 100644
--- a/PanModal/Presentable/PanModalHeight.swift
+++ b/PanModal/Presentable/PanModalHeight.swift
@@ -35,4 +35,8 @@ public enum PanModalHeight: Equatable {
      */
     case contentHeightIgnoringSafeArea(CGFloat)
 
+    /**
+     Sets the height to be the intrinsic content height
+     */
+    case intrinsicHeight
 }
diff --git a/PanModal/Presentable/PanModalPresentable+LayoutHelpers.swift b/PanModal/Presentable/PanModalPresentable+LayoutHelpers.swift
index 3de96f7..d56a3ef 100644
--- a/PanModal/Presentable/PanModalPresentable+LayoutHelpers.swift
+++ b/PanModal/Presentable/PanModalPresentable+LayoutHelpers.swift
@@ -90,6 +90,12 @@ extension PanModalPresentable where Self: UIViewController {
             return bottomYPos - (height + bottomLayoutOffset)
         case .contentHeightIgnoringSafeArea(let height):
             return bottomYPos - height
+        case .intrinsicHeight:
+            view.layoutIfNeeded()
+            let targetSize = CGSize(width: (presentingViewController?.view.bounds ?? UIScreen.main.bounds).width,
+                                    height: UIView.layoutFittingCompressedSize.height)
+            let intrinsicHeight = view.systemLayoutSizeFitting(targetSize).height
+            return bottomYPos - (intrinsicHeight + bottomLayoutOffset)
         }
     }
 
diff --git a/Sample/View Controllers/User Groups (Stacked)/StackedProfileViewController.swift b/Sample/View Controllers/User Groups (Stacked)/StackedProfileViewController.swift
index 564aa01..6b2e389 100644
--- a/Sample/View Controllers/User Groups (Stacked)/StackedProfileViewController.swift	
+++ b/Sample/View Controllers/User Groups (Stacked)/StackedProfileViewController.swift	
@@ -85,6 +85,7 @@ class StackedProfileViewController: UIViewController, PanModalPresentable {
 
         roleLabel.centerXAnchor.constraint(equalTo: view.centerXAnchor).isActive = true
         roleLabel.topAnchor.constraint(equalTo: nameLabel.bottomAnchor, constant: 4.0).isActive = true
+        bottomLayoutGuide.topAnchor.constraint(greaterThanOrEqualTo: roleLabel.bottomAnchor).isActive = true
     }
 
     // MARK: - Pan Modal Presentable
@@ -94,7 +95,7 @@ class StackedProfileViewController: UIViewController, PanModalPresentable {
     }
 
     var longFormHeight: PanModalHeight {
-        return .contentHeight(300)
+        return .intrinsicHeight
     }
 
     var anchorModalToLongForm: Bool {