Admin: For IMAP AJAX connection check, if still connecting, loop unti…

…l we've finished connecting.

In cases where the IMAP connection check is taking awhile, this commit
ensures that we keep checking the connection status until the connection
check is completed.

See #40.

includes/bp-rbe-admin.php

@@ -256,11 +256,30 @@ public function ajax_connect() {
 	public function ajax_connect_notice() {
 		check_ajax_referer( 'bp_rbe_ajax_connect' );
 
+		$success_msg = __( '<strong>Reply By Email</strong> is currently <span>CONNECTED</span> and checking your inbox continuously.', 'bp-rbe' );
+
 		if ( bp_rbe_is_connected() ) {
 			wp_send_json_success( array(
-				'msg' => __( '<strong>Reply By Email</strong> is currently <span>CONNECTED</span> and checking your inbox continuously.', 'bp-rbe' )
+				'msg' => $success_msg
 			) );
 		} else {
+			if ( ! ini_get( 'safe_mode' ) ) {
+				set_time_limit( 0 );
+			}
+
+			// If we're connecting, loop until we get a response.
+			while ( bp_rbe_is_connecting( array( 'clearcache' => true ) ) ) {
+				// Sleep for a sec.
+				sleep( 1 );
+
+				// Success!
+				if ( bp_rbe_is_connected( array( 'clearcache' => true ) ) ) {
+					wp_send_json_success( array(
+						'msg' => $success_msg
+					) );
+				}
+			}
+
 			// If we're here, check connection for errors.
 			$imap = BP_Reply_By_Email_Connect::init();
 			if ( false === $imap ) {