50 lines
1.3 KiB
C#
50 lines
1.3 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.Windows.Input;
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using SafeExamBrowser.Logging.Contracts;
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using SafeExamBrowser.UserInterface.Contracts.Shell;
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using SafeExamBrowser.UserInterface.Contracts.Shell.Events;
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using SafeExamBrowser.WindowsApi.Contracts;
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using SafeExamBrowser.WindowsApi.Contracts.Events;
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namespace SafeExamBrowser.UserInterface.Shared.Activators
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{
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public class TaskbarKeyboardActivator : KeyboardActivator, ITaskbarActivator
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{
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private readonly ILogger logger;
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private bool LeftWindows;
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public event ActivatorEventHandler Activated;
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public TaskbarKeyboardActivator(ILogger logger, INativeMethods nativeMethods) : base(nativeMethods)
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{
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this.logger = logger;
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}
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protected override bool Process(Key key, KeyModifier modifier, KeyState state)
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{
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var changed = false;
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var pressed = state == KeyState.Pressed;
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if (key == Key.LWin)
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{
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changed = LeftWindows != pressed;
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LeftWindows = pressed;
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}
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if (LeftWindows && changed)
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{
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logger.Debug("Detected activation sequence for taskbar.");
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Activated?.Invoke();
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}
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return false;
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}
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}
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}
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