Merge pull request #325 from nextcloud/fix-modal-views-ios13

Fix modal views in iOS 13

VideoCalls/AuthenticationViewController.m

@@ -31,6 +31,9 @@ NSString * const kNCAuthTokenFlowEndpoint               = @"/index.php/login/flo
     self = [super init];
     if (self) {
         self.serverUrl = serverUrl;
+        if (@available(iOS 13.0, *)) {
+            self.modalPresentationStyle = ([[NCDatabaseManager sharedInstance] numberOfAccounts] == 0) ? UIModalPresentationFullScreen : UIModalPresentationAutomatic;
+        }
     }
     
     return self;

VideoCalls/CallViewController.m

@@ -81,6 +81,8 @@ typedef NS_ENUM(NSInteger, CallState) {
         return nil;
     }
     
+    self.modalPresentationStyle = UIModalPresentationFullScreen;
+    
     _room = room;
     _displayName = displayName;
     _isAudioOnly = audioOnly;

VideoCalls/NCUserInterfaceController.m

@@ -12,6 +12,7 @@
 #import "AuthenticationViewController.h"
 #import "LoginViewController.h"
 #import "NCConnectionController.h"
+#import "NCDatabaseManager.h"
 #import "NCRoomsManager.h"
 #import "NCSettingsController.h"
 #import "JDStatusBarNotification.h"
@@ -79,6 +80,9 @@
 {
     _loginViewController = [[LoginViewController alloc] init];
     _loginViewController.delegate = self;
+    if (@available(iOS 13.0, *)) {
+        _loginViewController.modalPresentationStyle = ([[NCDatabaseManager sharedInstance] numberOfAccounts] == 0) ? UIModalPresentationFullScreen : UIModalPresentationAutomatic;
+    }
     [_mainNavigationController presentViewController:_loginViewController animated:YES completion:nil];
 }