feat(ios): add presentVC and dismissVC methods to bridge (#2678)

ios/Capacitor/Capacitor/CAPBridge.swift

@@ -9,7 +9,10 @@ enum BridgeError: Error {
 
 @objc public class CAPBridge : NSObject {
 
+  let tmpWindow = UIWindow.init(frame: UIScreen.main.bounds)
+  let tmpVC = TmpViewController.init()
   @objc public static let statusBarTappedNotification = Notification(name: Notification.Name(rawValue: "statusBarTappedNotification"))
+  @objc public static let tmpVCAppeared = Notification(name: Notification.Name(rawValue: "tmpViewControllerAppeared"))
   public static var CAP_SITE = "https://capacitor.ionicframework.com/"
   public static var CAP_FILE_START = "/_capacitor_file_"
   public static let CAP_DEFAULT_SCHEME = "capacitor"
@@ -63,6 +66,11 @@ enum BridgeError: Error {
     registerPlugins()
     setupCordovaCompatibility()
     bindObservers()
+    self.tmpWindow.rootViewController = tmpVC
+    self.tmpWindow.makeKeyAndVisible()
+    NotificationCenter.default.addObserver(forName: CAPBridge.tmpVCAppeared.name, object: .none, queue: .none) { _ in
+      self.tmpWindow.isHidden = true
+    }
   }
 
   public func setStatusBarVisible(_ isStatusBarVisible: Bool) {
@@ -589,5 +597,14 @@ enum BridgeError: Error {
     return localUrl!
   }
 
+  @objc public func presentVC(_ viewControllerToPresent: UIViewController, animated flag: Bool, completion: (() -> Void)? = nil) {
+    self.tmpWindow.makeKeyAndVisible()
+    self.tmpVC.present(viewControllerToPresent, animated: flag, completion: completion)
+  }
+
+  @objc public func dismissVC(animated flag: Bool, completion: (() -> Void)? = nil) {
+    self.tmpVC.dismiss(animated: flag, completion: completion)
+  }
+
 }
 

ios/Capacitor/Capacitor/Plugins/Browser.swift

@@ -34,7 +34,7 @@ public class CAPBrowserPlugin : CAPPlugin, SFSafariViewControllerDelegate {
           self.vc!.preferredBarTintColor = UIColor(fromHex: toolbarColor!)
         }
 
-        self.bridge.viewController.present(self.vc!, animated: true, completion: {
+        self.bridge.presentVC(self.vc!, animated: true, completion: {
           call.success()
         })
       }
@@ -48,7 +48,7 @@ public class CAPBrowserPlugin : CAPPlugin, SFSafariViewControllerDelegate {
       call.success()
     }
     DispatchQueue.main.async {
-      self.bridge.viewController.dismiss(animated: true) {
+      self.bridge.dismissVC(animated: true) {
         call.success()
       }
     }

ios/Capacitor/Capacitor/TmpViewController.swift

@@ -0,0 +1,8 @@
+import UIKit
+
+class TmpViewController: UIViewController {
+    override func viewDidAppear(_ animated: Bool) {
+        super.viewDidAppear(animated)
+        NotificationCenter.default.post(CAPBridge.tmpVCAppeared)
+    }
+}