feat: configure maximum of vertical distance to recognize a gesture

DLSwipeToPopController/Impl/ SwipeToPopTableViewController.swift

@@ -10,6 +10,8 @@ import UIKit
 // MARK: - SwipeToPopTableViewController
 
 open class SwipeToPopTableViewController: UITableViewController, SwipeToPopControllable {
+    public var isDragging  = false
+
 	public var percentDrivenInteractiveTransition: UIPercentDrivenInteractiveTransition?
 	// swiftlint:disable implicitly_unwrapped_optional
 	public var panGestureRecognizer: UIPanGestureRecognizer!
@@ -33,7 +35,7 @@ open class SwipeToPopTableViewController: UITableViewController, SwipeToPopContr
 
 	/// Default percent 0.5 and horizontal velocity 1000
 	open var swipeToPopConfig: SwipeToPopConfig {
-		SwipeToPopConfig(percent: 0.5, velocity: 1000)
+        SwipeToPopConfig(percent: 0.5, velocity: 1000, maximumOfVerticalDistance: 30)
 	}
 }
 

DLSwipeToPopController/Impl/ SwipeToPopViewController.swift

@@ -10,6 +10,7 @@ import UIKit
 // MARK: - SwipeToPopViewController
 
 open class SwipeToPopViewController: UIViewController, SwipeToPopControllable {
+    public var isDragging = false
 	public var percentDrivenInteractiveTransition: UIPercentDrivenInteractiveTransition?
 	// swiftlint:disable implicitly_unwrapped_optional
 	public var panGestureRecognizer: UIPanGestureRecognizer!
@@ -33,7 +34,7 @@ open class SwipeToPopViewController: UIViewController, SwipeToPopControllable {
 
 	/// Default percent 0.5 and horizontal velocity 1000
 	open var swipeToPopConfig: SwipeToPopConfig {
-		SwipeToPopConfig(percent: 0.5, velocity: 1000)
+		SwipeToPopConfig(percent: 0.5, velocity: 1000, maximumOfVerticalDistance: 30)
 	}
 }
 

DLSwipeToPopController/Model/SwipeToPopConfig.swift

@@ -13,9 +13,14 @@ public struct SwipeToPopConfig {
 
 	/// Velocity for swipe even in horizontal direction
 	let velocity: CGFloat
+
+    /// Maximum of Vertical distance to recognize gesture.
+    /// If the distance larger than this property's value. Skip handling due to considering it is not a swipe right gesture
+    let maximumOfVerticalDistance: CGFloat
 
-	public init(percent: CGFloat, velocity: CGFloat) {
+    public init(percent: CGFloat, velocity: CGFloat, maximumOfVerticalDistance: CGFloat) {
 		self.percent = percent
 		self.velocity = velocity
+        self.maximumOfVerticalDistance = maximumOfVerticalDistance
 	}
 }

DLSwipeToPopController/Protocol/SwipeToPopControllable.swift

@@ -7,14 +7,17 @@
 
 import UIKit
 
-public protocol SwipeToPopControllable: AnyObject, UINavigationControllerDelegate, UIGestureRecognizerDelegate {
+public protocol SwipeToPopControllable: UINavigationControllerDelegate, UIGestureRecognizerDelegate {
 	var percentDrivenInteractiveTransition: UIPercentDrivenInteractiveTransition? { get set }
 
 	// swiftlint:disable implicitly_unwrapped_optional
 	var panGestureRecognizer: UIPanGestureRecognizer! { get set }
 
 	/// Customize for handle even once user end his action panGesture.state == .ended : drag or swipe
 	var swipeToPopConfig: SwipeToPopConfig { get }
+
+    /// Check whether user is dragging or not. If User is dragging just let user continue with the action
+    var isDragging: Bool { get set }
 
 	/// Callback when ViewController was popped
 	func didPopViewController()
@@ -85,19 +88,29 @@ public extension SwipeToPopControllable where Self: UIViewController {
 		switch panGesture.state {
 
 		case .began:
+            isDragging = false
 			navigationController?.delegate = self
 			_ = navigationController?.popViewController(animated: true)
 
 		case .changed:
+            let translation = panGesture.translation(in: view)
+            let shouldRecognize = abs(translation.x) > abs(translation.y) &&  abs(translation.y) < swipeToPopConfig.maximumOfVerticalDistance || isDragging
+
+            if !shouldRecognize {
+                percentDrivenInteractiveTransition?.cancel()
+                break
+            }
+
+            isDragging = true
 			if let percentDrivenInteractiveTransition = percentDrivenInteractiveTransition {
 				percentDrivenInteractiveTransition.update(percent)
 			}
 
 		case .ended:
-			let velocity = panGesture.velocity(in: view).x
+			let velocity = panGesture.velocity(in: view)
 
 			// Continue if drag more than customized percent of screen width or velocity is higher than customized velocity
-			if percent > swipeToPopConfig.percent || velocity > swipeToPopConfig.velocity {
+            if percent > swipeToPopConfig.percent || velocity.x > swipeToPopConfig.velocity {
 				percentDrivenInteractiveTransition?.finish()
 				didPopViewController()
 			} else {

Example/DLSwipeToPopController/SwipeTableViewController.swift

@@ -13,6 +13,8 @@ class SwipeTableViewController: SwipeToPopTableViewController {
 
 	override func viewDidLoad() {
 		super.viewDidLoad()
+
+        tableView.backgroundColor = .white
 	}
 
 	// MARK: - Table view data source
@@ -29,6 +31,6 @@ class SwipeTableViewController: SwipeToPopTableViewController {
 
 	/// Default percent 0.25 and horizontal velocity 100 for pan's state is ended to continue the action
 	override var swipeToPopConfig: SwipeToPopConfig {
-		return SwipeToPopConfig(percent: 0.1, velocity: 500)
+        return SwipeToPopConfig(percent: 0.1, velocity: 500, maximumOfVerticalDistance: 20)
 	}
 }

Example/DLSwipeToPopController/SwipeViewController.swift

@@ -20,6 +20,6 @@ class SwipeViewController: SwipeToPopViewController {
 
 	/// Default percent 0.25 and horizontal velocity 100 for pan's state is ended to continue the action
 	override var swipeToPopConfig: SwipeToPopConfig {
-		return SwipeToPopConfig(percent: 0.25, velocity: 100)
+        return SwipeToPopConfig(percent: 0.25, velocity: 100, maximumOfVerticalDistance: 30.0)
 	}
 }

Example/Podfile.lock

@@ -9,7 +9,7 @@ EXTERNAL SOURCES:
     :path: "../"
 
 SPEC CHECKSUMS:
-  DLSwipeToPopController: 99888bf6b5cdfbf5b1ea2d3a824225ccc3e8b42e
+  DLSwipeToPopController: b032c67916d75839fa0e49d1ab351f55d24c8c16
 
 PODFILE CHECKSUM: 5c76193d145644460e7ede81abd70ef8096b27f5