Room search: search result should include the search pattern when it corresponds to a valid room alias or id.

+
Room search: Room preview should be used when user selects a public room that he did not join yet.

https://github.com/vector-im/vector-ios/issues/328
https://github.com/vector-im/vector-ios/issues/329

Vector/ViewController/RecentsViewController.m

@@ -31,6 +31,7 @@
 
 #import "InviteRecentTableViewCell.h"
 #import "DirectoryRecentTableViewCell.h"
+#import "RoomIdOrAliasTableViewCell.h"
 
 #import "AppDelegate.h"
 
@@ -630,6 +631,18 @@
         // Show the directory screen
         [homeViewController showPublicRoomsDirectory];
     }
+    else if ([cell isKindOfClass:[RoomIdOrAliasTableViewCell class]])
+    {
+        NSString *roomIdOrAlias = ((RoomIdOrAliasTableViewCell*)cell).titleLabel.text;
+        
+        if (roomIdOrAlias.length)
+        {
+            // Open the room or preview it
+            NSString *fragment = [NSString stringWithFormat:@"/room/%@", [roomIdOrAlias stringByAddingPercentEscapesUsingEncoding:NSUTF8StringEncoding]];
+            [[AppDelegate theDelegate] handleUniversalLinkFragment:fragment];
+        }
+        [tableView deselectRowAtIndexPath:indexPath animated:NO];
+    }
     else
     {
         [super tableView:tableView didSelectRowAtIndexPath:indexPath];