added fullscreen

Signed-off-by: Matt Bruce <matt.bruce@verizon.com>

VDSSample/ViewControllers/LoaderViewController.swift

@@ -7,10 +7,12 @@
 
 import Foundation
 import VDS
+import UIKit
 
-class LoaderViewController: BaseViewController<Loader> {
+class LoaderViewController: BaseViewController<Loader>, LoaderLaunchable {    
     
     var isActive = Toggle().with { $0.isOn = true }
+    var isFullscreen = Toggle().with { $0.isOn = false }
 
     override func viewDidLoad() {
         super.viewDidLoad()
@@ -23,11 +25,30 @@ class LoaderViewController: BaseViewController<Loader> {
         super.setupForm()
         addFormRow(label: "Surface", view: surfacePickerSelectorView)
         addFormRow(label: "Active", view: .makeWrapper(for: isActive))
-        
-        isActive.publisher(for: .valueChanged)
+        addFormRow(label: "Fullscreen", view: .makeWrapper(for: isFullscreen))
+
+        isActive
+            .publisher(for: .valueChanged)
             .sink { [weak self] toggle in
                 self?.component.isActive = toggle.isOn
             }.store(in: &subscribers)
+        
+        isFullscreen
+            .publisher(for: .valueChanged)
+            .sink { [weak self] toggle in
+                guard let self else { return }
+                self.showLoader(fullScreen: toggle.isOn)
+            }.store(in: &subscribers)
+    }
+    
+    func showLoader(fullScreen: Bool) {
+        if fullScreen {
+            component.isHidden = true
+            presentLoader(surface: self.component.surface)
+        } else {
+            dismissLoader()
+            component.isHidden = false
+        }
     }
     
     func setupPicker() {
@@ -36,4 +57,25 @@ class LoaderViewController: BaseViewController<Loader> {
             self?.contentTopView.backgroundColor = item.color
         }
     }
+
+    public func presentLoader(surface: Surface, size: Int? = nil) {
+        if let presenting = UIApplication.topViewController() {
+            let viewController = VDS.LoaderViewController(nibName: nil, bundle: nil).with {
+                $0.surface = surface
+                if let size {
+                    $0.size = size
+                }
+                $0.modalPresentationStyle = .overFullScreen
+                $0.modalTransitionStyle = .crossDissolve
+            }
+            viewController.view
+                .publisher(for: UITapGestureRecognizer())
+             .sink {[weak self] tap in
+                 guard let self else { return }
+                 self.isFullscreen.isOn = false
+                 self.showLoader(fullScreen: false)
+            }.store(in: &subscribers)
+            presenting.present(viewController, animated: true)
+        }
+    }
 }