Universal link + next link: Forward the next_link parameters to AuthenticationVC

Vector/AppDelegate.m

@@ -922,8 +922,19 @@
     }
     else if ([pathParams[0] isEqualToString:@"register"])
     {
+        NSLog(@"[AppDelegate] Universal link: Registration next_link parameters: %@", queryParams);
+        continueUserActivity = YES;
+
         // This is the nextLink in the registration process
-        // The app should already display the auth VC. So, do nothing at the UI level
+        if (_homeViewController.authViewController)
+        {
+            NSLog(@"[AppDelegate] Universal link: Forward next_link parameter to the existing AuthViewController");
+            [_homeViewController.authViewController registerWithNextLinkParameters:queryParams];
+        }
+        else
+        {
+            NSLog(@"[AppDelegate] Universal link: TODO");
+        }
     }
     else
     {

Vector/ViewController/AuthenticationViewController.h

@@ -33,5 +33,12 @@
 @property (weak, nonatomic) IBOutlet UIView *homeServerSeparator;
 @property (weak, nonatomic) IBOutlet UIView *identityServerSeparator;
 
+/**
+ Pursue the registration process from the next_link sent in an email validation email.
+ 
+ @param nextLinkParameters the parameters extracted from next_link link.
+ */
+- (void)registerWithNextLinkParameters:(NSDictionary*)nextLinkParameters;
+
 @end
 

Vector/ViewController/AuthenticationViewController.m

@@ -214,6 +214,12 @@
 
 #pragma mark -
 
+- (void)registerWithNextLinkParameters:(NSDictionary *)nextLinkParameters
+{
+    // Giom: Help!!!
+    NSLog(@"[AuthenticationViewController] registerWithNextLinkParameters: TODO: %@", nextLinkParameters);
+}
+
 - (void)hideServerOptionsContainer:(BOOL)hidden
 {
     if (self.serverOptionsContainer.isHidden == hidden)

Vector/ViewController/HomeViewController.h

@@ -18,6 +18,7 @@
 
 #import "SegmentedViewController.h"
 #import "RoomViewController.h"
+#import "AuthenticationViewController.h"
 
 /**
  The `HomeViewController` screen is the main app screen.
@@ -34,6 +35,8 @@
 @property (nonatomic, readonly) MXSession *selectedRoomSession;
 @property (nonatomic, readonly) RoomPreviewData *selectedRoomPreviewData;
 
+// Reference to the current auth VC. It is not nil only when the auth screen is displayed.
+@property (nonatomic, readonly) AuthenticationViewController *authViewController;
 
 /**
  Display the authentication screen.

Vector/ViewController/HomeViewController.m

@@ -43,6 +43,11 @@
     UIImageView* createNewRoomImageView;
     
     MXHTTPOperation *roomCreationRequest;
+
+    /**
+     Observer that check when the Authentification view controller has gone.
+     */
+    id authViewControllerObserver;
 }
 
 @end
@@ -95,7 +100,13 @@
 - (void)destroy
 {
     [super destroy];
-    
+
+    if (authViewControllerObserver)
+    {
+        [[NSNotificationCenter defaultCenter] removeObserver:authViewControllerObserver];
+        authViewControllerObserver = nil;
+    }
+
     if (roomCreationRequest)
     {
         [roomCreationRequest cancel];
@@ -528,6 +539,20 @@
             DirectoryViewController *directoryViewController = segue.destinationViewController;
             [directoryViewController displayWitDataSource:recentsDataSource.publicRoomsDirectoryDataSource];
         }
+        else if ([[segue identifier] isEqualToString:@"showAuth"])
+        {
+            // Keep ref on the authentification view controller while it is displayed
+            // ie until we get the notification about a new account
+            _authViewController = segue.destinationViewController;
+
+            authViewControllerObserver = [[NSNotificationCenter defaultCenter] addObserverForName:kMXKAccountManagerDidAddAccountNotification object:nil queue:[NSOperationQueue mainQueue] usingBlock:^(NSNotification *notif) {
+
+                _authViewController = nil;
+
+                [[NSNotificationCenter defaultCenter] removeObserver:authViewControllerObserver];
+                authViewControllerObserver = nil;
+            }];
+        }
     }
 
     // Hide back button title