blob: 4b82a73690431e33fc1512daf8e0c2ea730fb43c [file] [log] [blame]
// Copyright 2015 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
import 'package:flutter/foundation.dart';
import 'package:flutter/services.dart';
import 'navigator.dart';
/// Messages for route change notifications.
class RouteNotificationMessages {
RouteNotificationMessages._();
/// When the engine is Web notify the platform for a route change.
static void maybeNotifyRouteChange(String methodName, Route<dynamic> route, Route<dynamic> previousRoute) {
if(kIsWeb) {
_notifyRouteChange(methodName, route, previousRoute);
} else {
// No op.
}
}
/// Notifies the platform of a route change.
///
/// There are three methods: 'routePushed', 'routePopped', 'routeReplaced'.
///
/// See also [SystemChannels.navigation], which handles subsequent navigation
/// requests.
static void _notifyRouteChange(String methodName, Route<dynamic> route, Route<dynamic> previousRoute) {
final String previousRouteName = previousRoute?.settings?.name;
final String routeName = route?.settings?.name;
SystemChannels.navigation.invokeMethod<void>(
methodName,
<String, dynamic>{
'previousRouteName': previousRouteName,
'routeName': routeName,
},
);
}
}