Enable and disable gestures

Author: Alberto Aznar

CiaoTransitions.podspec

@@ -7,7 +7,7 @@ s.ios.deployment_target = '11'
 s.name = "CiaoTransitions"
 s.summary = "With Ciao you can make fancy custom transitions. Use it in your iOS projects to make push and modal transitions between view controllers"
 s.requires_arc = true
-s.version = "0.2.1"
+s.version = "0.2.2"
 
 # ―――  Spec License  ――――――――――――――――――――――――――――――――――――――――――――――――――――――――――― #
 

CiaoTransitions/CiaoTransition.swift

@@ -33,6 +33,16 @@ open class CiaoTransition: NSObject {
     public func didScroll(_ scrollView: UIScrollView) {
         interactor.scrollViewDidScroll(scrollView)
     }
+    
+    /// Enable gesture interactive transitions on dismiss
+    public func enable() {
+        interactor.enableGestures()
+    }
+    
+    /// Disable gesture interactive transitions on dismiss
+    public func disable() {
+        interactor.disableGestures()
+    }
 }
 
 /// PUSH & POP

CiaoTransitions/Interactor/BasicInteractor.swift

@@ -28,6 +28,11 @@ public class BasicInteractor: Interactor {
         }
     }
 
+    public override func enableGestures() {
+        dismissalPanGesture.delegate = self
+        dismissalScreenEdgePanGesture.delegate = self
+    }
+    
     private func dismissView() {
         if isNavigationEnabled {
             navigationController?.popViewController(animated: true)

CiaoTransitions/Interactor/Interactor.swift

@@ -59,6 +59,15 @@ public class Interactor: UIPercentDrivenInteractiveTransition {
     public func scrollViewWillEndDragging(_ scrollView: UIScrollView, withVelocity velocity: CGPoint, targetContentOffset: UnsafeMutablePointer<CGPoint>) {
 
     }
+    
+    public func disableGestures() {
+        dismissalPanGesture.delegate = nil
+        dismissalScreenEdgePanGesture.delegate = nil
+    }
+    
+    public func enableGestures() {
+        
+    }
 }
 
 extension Interactor: UIGestureRecognizerDelegate {

Example/CiaoTransitions/Controllers/AppStore/AppStoreCardsViewController.swift

@@ -36,6 +36,7 @@ class AppStoreCardsViewController: UIViewController {
         collectionView.delegate = self
         collectionView.clipsToBounds = false
         collectionView.contentInset = UIEdgeInsets(top: 0, left: 0, bottom: 20, right: 0)
+        collectionView.contentInsetAdjustmentBehavior = .never
 
         CardCollectionViewCell.register(nibFor: collectionView)
         TodayHeaderReusableView.register(nibFor: collectionView, kind: UICollectionView.elementKindSectionHeader)

Example/CiaoTransitions/Controllers/Items/Routing/ItemsRouting.swift

@@ -81,13 +81,13 @@ extension ItemsRouting: ItemsRoutingInterface {
         }
         presentViewController?.transitioningDelegate = transition
 
-        switch item {
-        case .push:
-            viewController?.navigationController?.delegate = transition
-            viewController?.navigationController?.pushViewController(presentViewController!, animated: true)
-        case .modal:
+//        switch item {
+//        case .push:
+//            viewController?.navigationController?.delegate = transition
+//            viewController?.navigationController?.pushViewController(presentViewController!, animated: true)
+//        case .modal:
             viewController?.present(presentViewController!, animated: true, completion: nil)
-        }
+//        }
 
 
     }

Example/CiaoTransitions/Controllers/Items/View/ItemsViewController.swift

@@ -38,6 +38,6 @@ extension ItemsViewController: ItemsViewInterface {
         collectionView.dataSource = protocols
         collectionView.delegate = protocols
         collectionView.contentInset = UIEdgeInsets(top: 0, left: 0, bottom: 20, right: 0)
+        collectionView.contentInsetAdjustmentBehavior = .never
     }
-    
 }

README.md

@@ -139,6 +139,20 @@ func presentDetailView() {
 }
 ```
 
+#### Example modal with Navigation Controller
+```swift
+func presentDetailView() {
+let ciaoTransition = CiaoTransition(style: .vertical)
+let detailViewController = DetailViewController()
+detailViewController.ciaoTransition = ciaoTransition
+
+let navigationController = UINavigationController(rootViewController: detailViewController)
+navigationController.transitioningDelegate = ciaoTransition
+
+present(navigationController, animated: true, completion: nil)
+}
+```
+
 ## Configuration
 
 ### CiaoConfigurator
@@ -249,6 +263,17 @@ CiaoTransitionStyle.scaleImage
 CiaoTransitionStyle.appStore
 ```
 
+## Extra
+Additionally you can enable or disable dismiss gesture transitions whenever you want. 
+
+```swift
+// Enable gesture interactive transitions on dismiss
+ciaoTransition.enable()
+
+// Disable gesture interactive transitions on dismiss
+ciaoTransition.disable()
+```
+
 ## Author
 
 Alberto Aznar, info@alberdev.com