107 lines
2.8 KiB
C#
107 lines
2.8 KiB
C#
/*
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* Copyright (c) 2019 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 CefSharp;
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using CefSharp.WinForms;
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using SafeExamBrowser.Browser.Handlers;
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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.Browser;
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using SafeExamBrowser.Contracts.UserInterface.Browser.Events;
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using BrowserSettings = SafeExamBrowser.Contracts.Configuration.Settings.BrowserSettings;
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namespace SafeExamBrowser.Browser
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{
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internal class BrowserControl : ChromiumWebBrowser, IBrowserControl
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{
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private AppConfig appConfig;
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private BrowserSettings settings;
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private IDownloadHandler downloadHandler;
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private ILogger logger;
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private IText text;
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private AddressChangedEventHandler addressChanged;
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private LoadingStateChangedEventHandler loadingStateChanged;
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private TitleChangedEventHandler titleChanged;
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event AddressChangedEventHandler IBrowserControl.AddressChanged
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{
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add { addressChanged += value; }
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remove { addressChanged -= value; }
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}
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event LoadingStateChangedEventHandler IBrowserControl.LoadingStateChanged
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{
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add { loadingStateChanged += value; }
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remove { loadingStateChanged -= value; }
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}
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event TitleChangedEventHandler IBrowserControl.TitleChanged
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{
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add { titleChanged += value; }
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remove { titleChanged -= value; }
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}
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public BrowserControl(
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AppConfig appConfig,
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BrowserSettings settings,
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IDownloadHandler downloadHandler,
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ILogger logger,
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IText text) : base(settings.StartUrl)
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{
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this.appConfig = appConfig;
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this.downloadHandler = downloadHandler;
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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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}
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public void Initialize()
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{
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AddressChanged += BrowserControl_AddressChanged;
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LoadingStateChanged += (o, args) => loadingStateChanged?.Invoke(args.IsLoading);
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TitleChanged += (o, args) => titleChanged?.Invoke(args.Title);
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DownloadHandler = downloadHandler;
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KeyboardHandler = new KeyboardHandler(settings);
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MenuHandler = new ContextMenuHandler(settings, text);
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RequestHandler = new RequestHandler(appConfig);
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}
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public void NavigateBackwards()
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{
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GetBrowser().GoBack();
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}
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public void NavigateForwards()
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{
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GetBrowser().GoForward();
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}
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public void NavigateTo(string address)
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{
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if (!String.IsNullOrWhiteSpace(address))
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{
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Load(address);
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}
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}
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public void Reload()
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{
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GetBrowser().Reload();
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}
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private void BrowserControl_AddressChanged(object sender, AddressChangedEventArgs args)
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{
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logger.Debug($"Navigated to '{args.Address}'.");
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addressChanged?.Invoke(args.Address);
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}
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}
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}
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