72 lines
1.6 KiB
C#
72 lines
1.6 KiB
C#
/*
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* Copyright (c) 2024 ETH Zürich, IT Services
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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.Threading.Tasks;
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using CefSharp;
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using SafeExamBrowser.Browser.Events;
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using SafeExamBrowser.Logging.Contracts;
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using BrowserSettings = SafeExamBrowser.Settings.Browser.BrowserSettings;
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namespace SafeExamBrowser.Browser
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{
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internal class Clipboard
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{
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private readonly ILogger logger;
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private readonly BrowserSettings settings;
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internal string Content { get; private set; }
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internal event ClipboardChangedEventHandler Changed;
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internal Clipboard(ILogger logger, BrowserSettings settings)
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{
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this.logger = logger;
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this.settings = settings;
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}
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internal void Process(JavascriptMessageReceivedEventArgs message)
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{
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if (settings.UseIsolatedClipboard)
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{
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try
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{
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var data = message.ConvertMessageTo<Data>();
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if (data != default && data.Type == "Clipboard" && TrySetContent(data.Content))
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{
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Task.Run(() => Changed?.Invoke(data.Id));
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}
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}
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catch (Exception e)
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{
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logger.Error($"Failed to process browser message '{message}'!", e);
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}
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}
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}
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private bool TrySetContent(object value)
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{
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var text = value as string;
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if (text != default)
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{
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Content = text;
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}
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return text != default;
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}
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private class Data
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{
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public string Content { get; set; }
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public long Id { get; set; }
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public string Type { get; set; }
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}
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}
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}
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