60 lines
1.6 KiB
C#
60 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 SafeExamBrowser.Applications.Contracts;
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using SafeExamBrowser.Applications.Contracts.Events;
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using SafeExamBrowser.Core.Contracts.Resources.Icons;
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using SafeExamBrowser.WindowsApi.Contracts;
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namespace SafeExamBrowser.Applications
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{
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internal class ExternalApplicationWindow : IApplicationWindow
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{
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private readonly INativeMethods nativeMethods;
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public IntPtr Handle { get; }
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public IconResource Icon { get; private set; }
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public string Title { get; private set; }
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public event IconChangedEventHandler IconChanged;
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public event TitleChangedEventHandler TitleChanged;
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internal ExternalApplicationWindow(IconResource icon, INativeMethods nativeMethods, IntPtr handle)
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{
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this.Handle = handle;
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this.Icon = icon;
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this.nativeMethods = nativeMethods;
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}
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public void Activate()
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{
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nativeMethods.ActivateWindow(Handle);
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}
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internal void Update()
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{
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var icon = nativeMethods.GetWindowIcon(Handle);
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var iconChanged = icon != IntPtr.Zero && (!(Icon is NativeIconResource) || Icon is NativeIconResource r && r.Handle != icon);
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var title = nativeMethods.GetWindowTitle(Handle);
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var titleChanged = Title?.Equals(title, StringComparison.Ordinal) != true;
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if (iconChanged)
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{
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Icon = new NativeIconResource { Handle = icon };
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IconChanged?.Invoke(Icon);
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}
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if (titleChanged)
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{
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Title = title;
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TitleChanged?.Invoke(title);
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}
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}
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}
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}
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