From fed2a70eecdaafe98682cef89b9795c83c84e251 Mon Sep 17 00:00:00 2001
From: Cong Nguyen <congnd@outlook.com>
Date: Sat, 6 Jun 2020 10:07:03 +0900
Subject: [PATCH] FMPhotoPresenter: hide edit button when no filter or crop
 options are available

---
 .../Presenter/Editor/FMImageEditorViewController.swift    | 8 ++++----
 .../Scene/Presenter/FMPhotoPresenterViewController.swift  | 5 +++++
 2 files changed, 9 insertions(+), 4 deletions(-)

diff --git a/FMPhotoPicker/FMPhotoPicker/source/Scene/Presenter/Editor/FMImageEditorViewController.swift b/FMPhotoPicker/FMPhotoPicker/source/Scene/Presenter/Editor/FMImageEditorViewController.swift
index ffa3d32..8e97feb 100644
--- a/FMPhotoPicker/FMPhotoPicker/source/Scene/Presenter/Editor/FMImageEditorViewController.swift
+++ b/FMPhotoPicker/FMPhotoPicker/source/Scene/Presenter/Editor/FMImageEditorViewController.swift
@@ -125,10 +125,6 @@ public class FMImageEditorViewController: UIViewController {
     public init(config: FMPhotoPickerConfig, sourceImage: UIImage) {
         self.config = config
         
-        if config.availableCrops == nil, config.availableFilters == nil {
-            fatalError("Plase set at least one crop option or one filter option in order to use the editor")
-        }
-        
         var forceCropType: FMCroppable? = nil
         if config.forceCropEnabled, let firstCrop = config.availableCrops?.first {
             forceCropType = firstCrop
@@ -171,6 +167,10 @@ public class FMImageEditorViewController: UIViewController {
     override public func viewDidLoad() {
         super.viewDidLoad()
         
+        if config.availableCrops == nil, config.availableFilters == nil {
+            fatalError("Plase set at least one crop option or one filter option in order to use the editor")
+        }
+        
         headerView.isHidden = true
         bottomViewContainer.isHidden = true
         
diff --git a/FMPhotoPicker/FMPhotoPicker/source/Scene/Presenter/FMPhotoPresenterViewController.swift b/FMPhotoPicker/FMPhotoPicker/source/Scene/Presenter/FMPhotoPresenterViewController.swift
index c46967c..54af0d3 100644
--- a/FMPhotoPicker/FMPhotoPicker/source/Scene/Presenter/FMPhotoPresenterViewController.swift
+++ b/FMPhotoPicker/FMPhotoPicker/source/Scene/Presenter/FMPhotoPresenterViewController.swift
@@ -19,6 +19,7 @@ class FMPhotoPresenterViewController: UIViewController {
     private weak var numberOfSelectedPhoto: UILabel!
     private weak var doneButton: UIButton!
     private weak var backButton: UIButton!
+    private weak var bottomViewContainer: UIView!
     
     // MARK: - Public
     public var swipeInteractionController: FMPhotoInteractionAnimator?
@@ -234,6 +235,8 @@ class FMPhotoPresenterViewController: UIViewController {
         
         if fmAsset.mediaType == .video {
             bottomView.videoMode()
+            bottomViewContainer.isHidden = false
+            
             fmAsset.requestVideoFrames { cgImages in
                 if let asset = fmAsset.asset {
                     self.bottomView.resetPlaybackControl(cgImages: cgImages, duration: asset.duration)
@@ -241,6 +244,7 @@ class FMPhotoPresenterViewController: UIViewController {
             }
         } else {
             bottomView.imageMode()
+            bottomViewContainer.isHidden = config.availableFilters == nil && config.availableCrops == nil
         }
     }
     
@@ -478,6 +482,7 @@ private extension FMPhotoPresenterViewController {
         ])
         
         let bottomViewContainer = UIView()
+        self.bottomViewContainer = bottomViewContainer
         bottomViewContainer.backgroundColor = .white
         
         bottomViewContainer.translatesAutoresizingMaskIntoConstraints = false