151 lines
3.3 KiB
C#
151 lines
3.3 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.ComponentModel;
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using System.Windows;
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using SafeExamBrowser.Contracts.I18n;
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using SafeExamBrowser.Contracts.Logging;
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using SafeExamBrowser.Contracts.UserInterface.Shell;
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using SafeExamBrowser.Contracts.UserInterface.Shell.Events;
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using SafeExamBrowser.UserInterface.Shared.Utilities;
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namespace SafeExamBrowser.UserInterface.Desktop
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{
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public partial class Taskbar : Window, ITaskbar
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{
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private bool allowClose;
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private ILogger logger;
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public bool ShowClock
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{
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set { Dispatcher.Invoke(() => Clock.Visibility = value ? Visibility.Visible : Visibility.Collapsed); }
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}
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public event QuitButtonClickedEventHandler QuitButtonClicked;
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public Taskbar(ILogger logger)
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{
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this.logger = logger;
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InitializeComponent();
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InitializeTaskbar();
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}
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public void AddApplicationControl(IApplicationControl control)
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{
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if (control is UIElement uiElement)
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{
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ApplicationStackPanel.Children.Add(uiElement);
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}
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}
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public void AddNotificationControl(INotificationControl control)
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{
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if (control is UIElement uiElement)
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{
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NotificationStackPanel.Children.Add(uiElement);
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}
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}
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public void AddSystemControl(ISystemControl control)
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{
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if (control is UIElement uiElement)
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{
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SystemControlStackPanel.Children.Add(uiElement);
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}
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}
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public new void Close()
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{
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Dispatcher.Invoke(base.Close);
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}
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public int GetAbsoluteHeight()
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{
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return Dispatcher.Invoke(() =>
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{
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var height = (int) this.TransformToPhysical(Width, Height).Y;
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logger.Debug($"Calculated physical taskbar height is {height}px.");
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return height;
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});
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}
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public int GetRelativeHeight()
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{
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return Dispatcher.Invoke(() =>
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{
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var height = (int) Height;
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logger.Debug($"Logical taskbar height is {height}px.");
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return height;
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});
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}
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public void InitializeBounds()
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{
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Dispatcher.Invoke(() =>
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{
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Width = SystemParameters.PrimaryScreenWidth;
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Left = 0;
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Top = SystemParameters.PrimaryScreenHeight - Height;
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var position = this.TransformToPhysical(Left, Top);
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var size = this.TransformToPhysical(Width, Height);
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logger.Debug($"Set taskbar bounds to {Width}x{Height} at ({Left}/{Top}), in physical pixels: {size.X}x{size.Y} at ({position.X}/{position.Y}).");
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});
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}
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public void InitializeText(IText text)
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{
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Dispatcher.Invoke(() =>
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{
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QuitButton.ToolTip = text.Get(TextKey.Shell_QuitButton);
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});
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}
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public new void Show()
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{
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Dispatcher.Invoke(base.Show);
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}
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private void QuitButton_Clicked(CancelEventArgs args)
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{
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QuitButtonClicked?.Invoke(args);
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allowClose = !args.Cancel;
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}
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private void Taskbar_Closing(object sender, CancelEventArgs e)
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{
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if (!allowClose)
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{
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e.Cancel = true;
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return;
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}
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foreach (var child in SystemControlStackPanel.Children)
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{
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if (child is ISystemControl systemControl)
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{
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systemControl.Close();
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}
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}
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}
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private void InitializeTaskbar()
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{
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Closing += Taskbar_Closing;
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Loaded += (o, args) => InitializeBounds();
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QuitButton.Clicked += QuitButton_Clicked;
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}
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}
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}
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