142 lines
4.5 KiB
C#
142 lines
4.5 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;
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using System.Threading.Tasks;
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using System.Windows;
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using System.Windows.Controls;
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using System.Windows.Media;
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using FontAwesome.WPF;
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using SafeExamBrowser.Core.Contracts;
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using SafeExamBrowser.I18n.Contracts;
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using SafeExamBrowser.SystemComponents.Contracts.WirelessNetwork;
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using SafeExamBrowser.UserInterface.Contracts.Shell;
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using SafeExamBrowser.UserInterface.Shared.Utilities;
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namespace SafeExamBrowser.UserInterface.Desktop.Controls
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{
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public partial class ActionCenterWirelessNetworkControl : UserControl, ISystemControl
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{
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private IWirelessAdapter wirelessAdapter;
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private IText text;
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public ActionCenterWirelessNetworkControl(IWirelessAdapter wirelessAdapter, IText text)
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{
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this.wirelessAdapter = wirelessAdapter;
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this.text = text;
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InitializeComponent();
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InitializeWirelessNetworkControl();
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}
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public void Close()
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{
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Dispatcher.InvokeAsync(() => Popup.IsOpen = false);
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}
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private void InitializeWirelessNetworkControl()
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{
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var originalBrush = Grid.Background;
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SignalStrengthIcon.Child = GetIcon(0);
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Button.Click += (o, args) => Popup.IsOpen = !Popup.IsOpen;
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Button.MouseLeave += (o, args) => Task.Delay(250).ContinueWith(_ => Dispatcher.Invoke(() => Popup.IsOpen = Popup.IsMouseOver));
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Popup.MouseLeave += (o, args) => Task.Delay(250).ContinueWith(_ => Dispatcher.Invoke(() => Popup.IsOpen = IsMouseOver));
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Popup.Opened += (o, args) => Grid.Background = Brushes.Gray;
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Popup.Closed += (o, args) => Grid.Background = originalBrush;
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if (wirelessAdapter.IsAvailable)
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{
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wirelessAdapter.NetworksChanged += WirelessAdapter_NetworksChanged;
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wirelessAdapter.StatusChanged += WirelessAdapter_StatusChanged;
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UpdateNetworks();
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}
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else
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{
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Button.IsEnabled = false;
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NoAdapterIcon.Visibility = Visibility.Visible;
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UpdateText(text.Get(TextKey.SystemControl_WirelessNotAvailable));
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}
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}
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private void WirelessAdapter_NetworksChanged()
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{
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Dispatcher.InvokeAsync(UpdateNetworks);
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}
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private void WirelessAdapter_StatusChanged(WirelessNetworkStatus status)
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{
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Dispatcher.InvokeAsync(() => UpdateStatus(status));
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}
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private void UpdateNetworks()
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{
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var status = WirelessNetworkStatus.Disconnected;
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NetworksStackPanel.Children.Clear();
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foreach (var network in wirelessAdapter.GetNetworks())
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{
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var button = new ActionCenterWirelessNetworkButton(network);
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button.NetworkSelected += (o, args) => wirelessAdapter.Connect(network.Id);
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if (network.Status == WirelessNetworkStatus.Connected)
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{
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status = WirelessNetworkStatus.Connected;
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SignalStrengthIcon.Child = GetIcon(network.SignalStrength);
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UpdateText(text.Get(TextKey.SystemControl_WirelessConnected).Replace("%%NAME%%", network.Name));
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}
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NetworksStackPanel.Children.Add(button);
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}
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UpdateStatus(status);
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}
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private void UpdateStatus(WirelessNetworkStatus status)
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{
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LoadingIcon.Visibility = Visibility.Collapsed;
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SignalStrengthIcon.Visibility = Visibility.Visible;
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NetworkStatusIcon.Visibility = Visibility.Visible;
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switch (status)
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{
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case WirelessNetworkStatus.Connected:
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NetworkStatusIcon.Source = ImageAwesome.CreateImageSource(FontAwesomeIcon.Check, Brushes.Green);
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break;
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case WirelessNetworkStatus.Connecting:
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LoadingIcon.Visibility = Visibility.Visible;
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SignalStrengthIcon.Visibility = Visibility.Collapsed;
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NetworkStatusIcon.Visibility = Visibility.Collapsed;
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UpdateText(text.Get(TextKey.SystemControl_WirelessConnecting));
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break;
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default:
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NetworkStatusIcon.Source = ImageAwesome.CreateImageSource(FontAwesomeIcon.Close, Brushes.Orange);
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SignalStrengthIcon.Child = GetIcon(0);
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UpdateText(text.Get(TextKey.SystemControl_WirelessDisconnected));
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break;
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}
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}
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private void UpdateText(string text)
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{
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Button.ToolTip = text;
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Text.Text = text;
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}
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private UIElement GetIcon(int signalStrength)
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{
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var icon = signalStrength > 66 ? "100" : (signalStrength > 33 ? "66" : (signalStrength > 0 ? "33" : "0"));
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var uri = new Uri($"pack://application:,,,/SafeExamBrowser.UserInterface.Desktop;component/Images/WiFi_Light_{icon}.xaml");
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var resource = new IconResource { Type = IconResourceType.Xaml, Uri = uri };
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return IconResourceLoader.Load(resource);
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}
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}
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}
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