iOS: Refactor importFromFile

So that it can be used in macOS as well

Signed-off-by: Roopesh Chander <roop@roopc.net>

1 files changed, 25 insertions, 0 deletions

diff --git a/WireGuard/WireGuard/UI/ErrorPresenterProtocol.swift b/WireGuard/WireGuard/UI/ErrorPresenterProtocol.swift
new file mode 100644
index 0000000..37e567c
--- /dev/null
+++ b/WireGuard/WireGuard/UI/ErrorPresenterProtocol.swift
@@ -0,0 +1,25 @@
+// SPDX-License-Identifier: MIT
+// Copyright © 2018 WireGuard LLC. All Rights Reserved.
+
+protocol ErrorPresenterProtocol {
+    static func showErrorAlert(title: String, message: String, from sourceVC: AnyObject?, onPresented: (() -> Void)?, onDismissal: (() -> Void)?)
+}
+
+extension ErrorPresenterProtocol {
+    static func showErrorAlert(title: String, message: String, from sourceVC: AnyObject?, onPresented: (() -> Void)?) {
+        showErrorAlert(title: title, message: message, from: sourceVC, onPresented: onPresented, onDismissal: nil)
+    }
+
+    static func showErrorAlert(title: String, message: String, from sourceVC: AnyObject?, onDismissal: (() -> Void)?) {
+        showErrorAlert(title: title, message: message, from: sourceVC, onPresented: nil, onDismissal: onDismissal)
+    }
+
+    static func showErrorAlert(title: String, message: String, from sourceVC: AnyObject?) {
+        showErrorAlert(title: title, message: message, from: sourceVC, onPresented: nil, onDismissal: nil)
+    }
+
+    static func showErrorAlert(error: WireGuardAppError, from sourceVC: AnyObject?, onPresented: (() -> Void)? = nil, onDismissal: (() -> Void)? = nil) {
+        let (title, message) = error.alertText
+        showErrorAlert(title: title, message: message, from: sourceVC, onPresented: onPresented, onDismissal: onDismissal)
+    }
+}