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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.Media.Imaging;
using Tango.Core.Commands;
using Tango.Core.Threading;
using Tango.FSE.Common;
using Tango.RemoteDesktop.Frames;
using Tango.RemoteDesktop.Network;
namespace Tango.FSE.PPCConsole.ViewModels
{
public class RemoteDesktopViewVM : FSEViewModel
{
private RasterFrame _currentFrame;
private BitmapSource _source;
public BitmapSource Source
{
get { return _source; }
set { _source = value; RaisePropertyChangedAuto(); }
}
public RelayCommand StartCommand { get; set; }
public RelayCommand StopCommand { get; set; }
public RemoteDesktopViewVM()
{
StartCommand = new RelayCommand(StartRemoteDesktop, () => MachineProvider.IsConnected);
StopCommand = new RelayCommand(StopRemoteDesktop);
}
public override void OnApplicationStarted()
{
base.OnApplicationStarted();
MachineProvider.MachineConnected += (_, __) => InvalidateRelayCommands();
MachineProvider.MachineDisconnected += (_, __) => InvalidateRelayCommands();
}
private void StartRemoteDesktop()
{
SequencerThread<StartRemoteDesktopSessionResponse> sequencer = null;
sequencer = new SequencerThread<StartRemoteDesktopSessionResponse>((response) =>
{
if (response.Packet == null)
{
sequencer.FrameRate = 1000 / response.FrameRate;
return; //Returned just to notice that there was no timeout..
}
try
{
if (!response.Packet.IsPartial)
{
using (MemoryStream ms = new MemoryStream(response.Packet.Bitmap))
{
if (_currentFrame != null)
{
_currentFrame.Dispose();
}
_currentFrame = new RasterFrame(new Bitmap(ms));
}
}
else
{
using (MemoryStream ms = new MemoryStream(response.Packet.Bitmap))
{
var diffFrame = new RasterFrame(new Bitmap(ms), response.Packet.PartialRegion.Left, response.Packet.PartialRegion.Top);
diffFrame.Apply(_currentFrame);
diffFrame.Dispose();
}
}
Source = _currentFrame.ToBitmapSource();
}
catch (Exception ex)
{
Debug.WriteLine($"Error on remote desktop packet received: {ex.Message}");
}
});
sequencer.Start();
MachineProvider.MachineOperator.SendGenericContinuousRequest<StartRemoteDesktopSessionRequest, StartRemoteDesktopSessionResponse>(new StartRemoteDesktopSessionRequest() { }, new Transport.TransportContinuousRequestConfig()
{
ContinuousTimeout = TimeSpan.FromSeconds(30),
}).Subscribe((response) =>
{
sequencer.Push(response);
}, (ex) =>
{
Debug.WriteLine(ex);
}, () => { });
}
private void StopRemoteDesktop()
{
}
}
}
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