71 lines
1.8 KiB
C#
71 lines
1.8 KiB
C#
/*
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* Copyright (c) 2025 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 CefSharp;
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using CefSharp.WinForms;
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using CefSharp.WinForms.Host;
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using SafeExamBrowser.Browser.Wrapper.Events;
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namespace SafeExamBrowser.Browser.Wrapper.Handlers
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{
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internal class FocusHandlerSwitch : IFocusHandler
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{
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public void OnGotFocus(IWebBrowser webBrowser, IBrowser browser)
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{
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if (browser.IsPopup)
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{
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var control = ChromiumHostControl.FromBrowser(browser) as CefSharpPopupControl;
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control?.OnGotFocus(webBrowser, browser);
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}
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else
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{
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var control = ChromiumWebBrowser.FromBrowser(browser) as CefSharpBrowserControl;
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control?.OnGotFocus(webBrowser, browser);
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}
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}
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public bool OnSetFocus(IWebBrowser webBrowser, IBrowser browser, CefFocusSource source)
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{
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var args = new GenericEventArgs { Value = false };
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if (browser.IsPopup)
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{
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var control = ChromiumHostControl.FromBrowser(browser) as CefSharpPopupControl;
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control?.OnSetFocus(webBrowser, browser, source, args);
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}
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else
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{
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var control = ChromiumWebBrowser.FromBrowser(browser) as CefSharpBrowserControl;
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control?.OnSetFocus(webBrowser, browser, source, args);
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}
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return args.Value;
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}
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public void OnTakeFocus(IWebBrowser webBrowser, IBrowser browser, bool next)
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{
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if (browser.IsPopup)
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{
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var control = ChromiumHostControl.FromBrowser(browser) as CefSharpPopupControl;
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control?.OnTakeFocus(webBrowser, browser, next);
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}
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else
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{
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var control = ChromiumWebBrowser.FromBrowser(browser) as CefSharpBrowserControl;
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control?.OnTakeFocus(webBrowser, browser, next);
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}
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}
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}
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}
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