blob: cfa0a6d9633e49b8e8a13d4bc9a586ca13bc56af [file] [log] [blame]
// Copyright 2019 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 '../base/context.dart';
import '../base/platform.dart';
import '../base/process_manager.dart';
import '../doctor.dart';
import '../version.dart';
import 'chrome.dart';
/// Only launch or display web devices if `FLUTTER_WEB`
/// environment variable is set to true.
bool get flutterWebEnabled {
_flutterWebEnabled = platform.environment['FLUTTER_WEB']?.toLowerCase() == 'true';
return _flutterWebEnabled && !FlutterVersion.instance.isStable;
}
bool _flutterWebEnabled;
/// The web workflow instance.
WebWorkflow get webWorkflow => context.get<WebWorkflow>();
class WebWorkflow extends Workflow {
const WebWorkflow();
@override
bool get appliesToHostPlatform => flutterWebEnabled && (platform.isWindows || platform.isMacOS || platform.isLinux);
@override
bool get canLaunchDevices => flutterWebEnabled && canFindChrome();
@override
bool get canListDevices => flutterWebEnabled && canFindChrome();
@override
bool get canListEmulators => false;
}
/// Whether we can locate the chrome executable.
bool canFindChrome() {
final String chrome = findChromeExecutable();
try {
return processManager.canRun(chrome);
} on ArgumentError {
return false;
}
}