146 lines
3.9 KiB
C#
146 lines
3.9 KiB
C#
/*
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* Copyright (c) 2018 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 SafeExamBrowser.Contracts.Behaviour;
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using SafeExamBrowser.Contracts.Behaviour.Operations;
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using SafeExamBrowser.Contracts.Communication;
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using SafeExamBrowser.Contracts.Configuration;
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using SafeExamBrowser.Contracts.Configuration.Settings;
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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.Runtime.Behaviour
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{
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internal class RuntimeController : IRuntimeController
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{
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private ILogger logger;
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private IRuntimeInfo runtimeInfo;
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private IRuntimeWindow runtimeWindow;
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private IServiceProxy serviceProxy;
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private ISettingsRepository settingsRepository;
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private IOperationSequence operationSequence;
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private Action terminationCallback;
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private IText text;
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private IUserInterfaceFactory uiFactory;
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public RuntimeController(
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ILogger logger,
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IOperationSequence operationSequence,
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IRuntimeInfo runtimeInfo,
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IServiceProxy serviceProxy,
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ISettingsRepository settingsRepository,
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Action terminationCallback,
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IText text,
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IUserInterfaceFactory uiFactory)
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{
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this.logger = logger;
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this.operationSequence = operationSequence;
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this.runtimeInfo = runtimeInfo;
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this.serviceProxy = serviceProxy;
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this.settingsRepository = settingsRepository;
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this.terminationCallback = terminationCallback;
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this.text = text;
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this.uiFactory = uiFactory;
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}
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public bool TryStart(Queue<IOperation> operations)
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{
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logger.Info("--- Initiating startup procedure ---");
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var success = operationSequence.TryPerform(operations);
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runtimeWindow = uiFactory.CreateRuntimeWindow(runtimeInfo, text);
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if (success)
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{
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logger.Info("--- Application successfully initialized! ---");
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logger.Log(string.Empty);
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logger.Subscribe(runtimeWindow);
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StartSession();
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}
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else
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{
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logger.Info("--- Application startup aborted! ---");
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logger.Log(string.Empty);
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}
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return success;
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}
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public void StartSession()
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{
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runtimeWindow.Show();
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logger.Info("Starting new session...");
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runtimeWindow.UpdateStatus(TextKey.RuntimeWindow_StartSession, true);
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// TODO:
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// - Initialize configuration
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// - Initialize kiosk mode
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// - Initialize session data
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// - Start runtime communication host
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// - Create and connect to client
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// - Initialize session with service
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// - Verify session integrity and start event handling
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System.Threading.Thread.Sleep(10000);
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runtimeWindow.UpdateStatus(TextKey.RuntimeWindow_ApplicationRunning);
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if (settingsRepository.Current.KioskMode == KioskMode.DisableExplorerShell)
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{
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runtimeWindow.Hide();
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}
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terminationCallback.Invoke();
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}
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public void Terminate()
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{
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StopSession();
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// TODO:
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// - Disconnect from service
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// - Terminate runtime communication host
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// - Revert kiosk mode (or do that when stopping session?)
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logger.Unsubscribe(runtimeWindow);
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runtimeWindow.Close();
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logger.Log(string.Empty);
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logger.Info("--- Initiating shutdown procedure ---");
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var success = operationSequence.TryRevert();
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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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else
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{
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logger.Info("--- Shutdown procedure failed! ---");
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}
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}
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private void StopSession()
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{
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logger.Info("Stopping current session...");
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runtimeWindow.Show();
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runtimeWindow.BringToForeground();
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runtimeWindow.UpdateStatus(TextKey.RuntimeWindow_StopSession, true);
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// TODO:
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// - Terminate client (or does it terminate itself?)
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// - Finalize session with service
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// - Stop event handling and close session
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}
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}
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}
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