88 lines
2.3 KiB
C#
88 lines
2.3 KiB
C#
/*
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* Copyright (c) 2017 ETH Zürich, Educational Development and Technology (LET)
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*/
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using System;
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using System.Collections.Generic;
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using System.Threading;
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using SafeExamBrowser.Contracts.Behaviour;
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using SafeExamBrowser.Contracts.Configuration;
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using SafeExamBrowser.Contracts.I18n;
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using SafeExamBrowser.Contracts.Logging;
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using SafeExamBrowser.Contracts.UserInterface;
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namespace SafeExamBrowser.Core.Behaviour
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{
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public class ShutdownController : IShutdownController
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{
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private ILogger logger;
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private ISettings settings;
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private ISplashScreen splashScreen;
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private IText text;
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private IUiElementFactory uiFactory;
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public ShutdownController(ILogger logger, ISettings settings, IText text, IUiElementFactory uiFactory)
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{
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this.logger = logger;
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this.settings = settings;
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this.text = text;
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this.uiFactory = uiFactory;
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}
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public void FinalizeApplication(Queue<IOperation> operations)
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{
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try
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{
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InitializeSplashScreen();
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RevertOperations(operations);
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FinalizeApplicationLog();
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}
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catch (Exception e)
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{
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LogAndShowException(e);
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FinalizeApplicationLog(false);
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}
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}
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private void RevertOperations(Queue<IOperation> operations)
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{
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foreach (var operation in operations)
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{
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operation.SplashScreen = splashScreen;
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operation.Revert();
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// TODO: Remove!
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Thread.Sleep(250);
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}
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}
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private void InitializeSplashScreen()
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{
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splashScreen = uiFactory.CreateSplashScreen(settings, text);
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splashScreen.SetIndeterminate();
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splashScreen.UpdateText(Key.SplashScreen_ShutdownProcedure);
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splashScreen.InvokeShow();
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logger.Info("--- Initiating shutdown procedure ---");
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}
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private void LogAndShowException(Exception e)
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{
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logger.Error($"Failed to finalize application!", e);
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uiFactory.Show(text.Get(Key.MessageBox_ShutdownError), text.Get(Key.MessageBox_ShutdownErrorTitle), icon: MessageBoxIcon.Error);
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}
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private void FinalizeApplicationLog(bool success = true)
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{
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if (success)
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{
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logger.Info("--- Application successfully finalized! ---");
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}
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logger.Log($"{Environment.NewLine}# Application terminated at {DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss.fff")}");
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}
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}
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}
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