| // Copyright 2017 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 FlutterMacOS |
| import Foundation |
| |
| public class UrlLauncherPlugin: NSObject, FlutterPlugin { |
| public static func register(with registrar: FlutterPluginRegistrar) { |
| let channel = FlutterMethodChannel( |
| name: "plugins.flutter.io/url_launcher", |
| binaryMessenger: registrar.messenger) |
| let instance = UrlLauncherPlugin() |
| registrar.addMethodCallDelegate(instance, channel: channel) |
| } |
| |
| public func handle(_ call: FlutterMethodCall, result: @escaping FlutterResult) { |
| let urlString: String? = (call.arguments as? [String: Any])?["url"] as? String |
| switch call.method { |
| case "canLaunch": |
| guard let unwrappedURLString = urlString, |
| let url = URL.init(string: unwrappedURLString) |
| else { |
| result(invalidURLError(urlString)) |
| return |
| } |
| result(NSWorkspace.shared.urlForApplication(toOpen: url) != nil) |
| case "launch": |
| guard let unwrappedURLString = urlString, |
| let url = URL.init(string: unwrappedURLString) |
| else { |
| result(invalidURLError(urlString)) |
| return |
| } |
| result(NSWorkspace.shared.open(url)) |
| default: |
| result(FlutterMethodNotImplemented) |
| } |
| } |
| } |
| |
| /// Returns an error for the case where a URL string can't be parsed as a URL. |
| private func invalidURLError(_ url: String?) -> FlutterError { |
| return FlutterError( |
| code: "argument_error", |
| message: "Unable to parse URL", |
| details: "Provided URL: \(String(describing: url))") |
| } |
