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using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Drawing;
using System.IO;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Input;
using System.Windows.Media.Imaging;
using Tango.Core.Commands;
using Tango.Core.Threading;
using Tango.FSE.Common;
using Tango.FSE.Common.RemoteDesktop;
using Tango.RemoteDesktop.Frames;
using Tango.RemoteDesktop.Network;
namespace Tango.FSE.PPCConsole.ViewModels
{
/// <summary>
/// Represents the PPC remote dekstop view model.
/// </summary>
/// <seealso cref="Tango.FSE.Common.FSEViewModel" />
public class RemoteDesktopViewVM : FSEViewModel
{
#region Properties
private BitmapSource _source;
/// <summary>
/// Gets or sets the remote desktop image source.
/// </summary>
public BitmapSource Source
{
get { return _source; }
set { _source = value; RaisePropertyChangedAuto(); }
}
#endregion
#region Commands
/// <summary>
/// Starts a remote desktop session with the currently connected machine.
/// </summary>
public RelayCommand StartCommand { get; set; }
/// <summary>
/// Stops the current remote desktop session.
/// </summary>
public RelayCommand StopCommand { get; set; }
/// <summary>
/// Executes the task manager on the remote PPC.
/// </summary>
public RelayCommand OpenTaskManagerCommand { get; set; }
/// <summary>
/// Hides the remote PPC application and opens the windows shell.
/// </summary>
public RelayCommand HideAndOpenShellCommand { get; set; }
#endregion
#region Constructors
/// <summary>
/// Initializes a new instance of the <see cref="RemoteDesktopViewVM"/> class.
/// </summary>
public RemoteDesktopViewVM()
{
StartCommand = new RelayCommand(StartRemoteDesktop);
StopCommand = new RelayCommand(StopRemoteDesktop);
OpenTaskManagerCommand = new RelayCommand(OpenTaskManager);
HideAndOpenShellCommand = new RelayCommand(HideAndOpenShell);
}
#endregion
#region Override Methods
public override void OnApplicationStarted()
{
base.OnApplicationStarted();
RemoteDesktopProvider.FrameReceived += RemoteDesktopProvider_FrameReceived;
MachineProvider.MachineConnected += MachineProvider_MachineConnected;
}
public override async Task<bool> OnApplicationLogout()
{
if (RemoteDesktopProvider.InSession)
{
if (await NotificationProvider.ShowWarningQuestion("The remote desktop session with the remote machine will be closed.\nAre you sure you want to log out?"))
{
await RemoteDesktopProvider.EndSession();
return true;
}
else
{
return false;
}
}
else
{
return true;
}
}
#endregion
#region Event Handlers
private void MachineProvider_MachineConnected(object sender, Common.Connection.MachineConnectedEventArgs e)
{
Source = null;
}
private void RemoteDesktopProvider_FrameReceived(object sender, DesktopFrameReceivedEventArgs e)
{
Source = e.Source;
}
#endregion
#region Start / Stop Session
private async void StartRemoteDesktop()
{
try
{
await RemoteDesktopProvider.StartSession();
}
catch (Exception ex)
{
await NotificationProvider.ShowError($"Error starting the remote desktop session.\n{ex.FlattenMessage()}");
}
}
private async void StopRemoteDesktop()
{
try
{
await RemoteDesktopProvider.EndSession();
}
catch (Exception ex)
{
await NotificationProvider.ShowError($"Error stopping the remote desktop session.\n{ex.FlattenMessage()}");
}
}
#endregion
#region Mouse & Keyboard Handlers From View
public void OnMouseDown(MouseButton changedButton, System.Windows.Point point, System.Windows.Size size)
{
RemoteDesktopProvider.MouseDown(changedButton, point, size);
}
public void OnMouseUp(MouseButton changedButton, System.Windows.Point point, System.Windows.Size size)
{
RemoteDesktopProvider.MouseUp(changedButton, point, size);
}
public void OnMouseMove(System.Windows.Point point, System.Windows.Size size)
{
RemoteDesktopProvider.MouseMove(point, size);
}
public void OnMouseDoubleClick(MouseButton changedButton, System.Windows.Point point, System.Windows.Size size)
{
RemoteDesktopProvider.MouseDoubleClick(changedButton, point, size);
}
public void OnKeyboardDown(Key key, bool ctrlDown, bool shitDown, bool altDown)
{
RemoteDesktopProvider.KeyboardDown(key, ctrlDown, shitDown, altDown);
}
public void OnKeyboardUp(Key key, bool ctrlDown, bool shitDown, bool altDown)
{
RemoteDesktopProvider.KeyboardUp(key, ctrlDown, shitDown, altDown);
}
#endregion
#region Remote Actions
private void OpenTaskManager()
{
RemoteDesktopProvider.KeyboardDown(Key.Escape, true, true, false);
RemoteDesktopProvider.KeyboardDown(Key.Escape, false, false, false);
}
private void HideAndOpenShell()
{
RemoteDesktopProvider.SendCommand(RemoteDesktopCommand.HideAndOpenShell);
}
#endregion
}
}
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