| // Copyright 2014 The Flutter 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 'dart:html' as html; |
| import 'platform.dart' as platform; |
| |
| /// The dart:html implementation of [platform.defaultTargetPlatform]. |
| platform.TargetPlatform get defaultTargetPlatform { |
| // To get a better guess at the targetPlatform we need to be able to reference |
| // the window, but that won't be available until we fix the platforms |
| // configuration for Flutter. |
| platform.TargetPlatform result = _browserPlatform(); |
| if (platform.debugDefaultTargetPlatformOverride != null) |
| result = platform.debugDefaultTargetPlatformOverride!; |
| return result; |
| } |
| |
| platform.TargetPlatform _browserPlatform() { |
| final String navigatorPlatform = html.window.navigator.platform?.toLowerCase() ?? ''; |
| if (navigatorPlatform.startsWith('mac')) { |
| return platform.TargetPlatform.macOS; |
| } |
| if (navigatorPlatform.startsWith('win')) { |
| return platform.TargetPlatform.windows; |
| } |
| if (navigatorPlatform.contains('iphone') || |
| navigatorPlatform.contains('ipad') || |
| navigatorPlatform.contains('ipod')) { |
| return platform.TargetPlatform.iOS; |
| } |
| if (navigatorPlatform.contains('android')) { |
| return platform.TargetPlatform.android; |
| } |
| // Since some phones can report a window.navigator.platform as Linux, fall |
| // back to use CSS to disambiguate Android vs Linux desktop. If the CSS |
| // indicates that a device has a "fine pointer" (mouse) as the primary |
| // pointing device, then we'll assume desktop linux, and otherwise we'll |
| // assume Android. |
| if (html.window.matchMedia('only screen and (pointer: fine)').matches) { |
| return platform.TargetPlatform.linux; |
| } |
| return platform.TargetPlatform.android; |
| } |