WingMan – Rev 31
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using System;
using System.IO;
using System.Threading;
using System.Threading.Tasks;
using WindowsInput;
using WindowsInput.Native;
using MQTTnet;
using WingMan.Communication;
using WingMan.Utilities;
namespace WingMan.Bindings
{
public class KeySimulator : IDisposable
{
public delegate void MouseKeyBindingExecuting(object sender, KeyBindingExecutingEventArgs args);
public KeySimulator(LocalKeyBindings localLocalKeyBindings, MqttCommunication mqttCommunication,
TaskScheduler formTaskScheduler, CancellationToken cancellationToken)
{
LocalLocalKeyBindings = localLocalKeyBindings;
MqttCommunication = mqttCommunication;
TaskScheduler = formTaskScheduler;
CancellationToken = cancellationToken;
MqttCommunication.OnMessageReceived += OnMqttMessageReceived;
InputSimulator = new InputSimulator();
}
private InputSimulator InputSimulator { get; }
private MqttCommunication MqttCommunication { get; }
private TaskScheduler TaskScheduler { get; }
private CancellationToken CancellationToken { get; }
private LocalKeyBindings LocalLocalKeyBindings { get; }
public void Dispose()
{
MqttCommunication.OnMessageReceived -= OnMqttMessageReceived;
}
public event MouseKeyBindingExecuting OnMouseKeyBindingExecuting;
private async void OnMqttMessageReceived(object sender, MqttApplicationMessageReceivedEventArgs e)
{
if (e.ApplicationMessage.Topic != "execute")
return;
using (var memoryStream = new MemoryStream(e.ApplicationMessage.Payload))
{
var executeMouseKeyBinding =
(ExecuteKeyBinding) ExecuteKeyBinding.XmlSerializer.Deserialize(memoryStream);
// Do not process own mouse key bindings.
if (!string.Equals(executeMouseKeyBinding.Nick, MqttCommunication.Nick, StringComparison.Ordinal))
return;
await Task.Delay(0, CancellationToken)
.ContinueWith(
_ => OnMouseKeyBindingExecuting?.Invoke(sender,
new KeyBindingExecutingEventArgs(executeMouseKeyBinding.Nick,
executeMouseKeyBinding.Name)),
CancellationToken,
TaskContinuationOptions.None, TaskScheduler);
#pragma warning disable CS4014 // Because this call is not awaited, execution of the current method continues before the call is completed
Task.Run(() => Simulate(executeMouseKeyBinding), CancellationToken);
#pragma warning restore CS4014 // Because this call is not awaited, execution of the current method continues before the call is completed
}
}
private void Simulate(ExecuteKeyBinding executeBinding)
{
foreach (var localBinding in LocalLocalKeyBindings.Bindings)
{
if (!string.Equals(localBinding.Name, executeBinding.Name, StringComparison.Ordinal))
continue;
// Skip any key bindings that are not enabled.
if (!localBinding.Enabled)
continue;
// Key down
foreach (var key in localBinding.Keys)
{
if (!KeyConversion.StringToKeys.TryGetValue(key, out var press))
continue;
InputSimulator.Keyboard.KeyDown((VirtualKeyCode) press);
}
// Key up
foreach (var key in localBinding.Keys)
{
if (!KeyConversion.StringToKeys.TryGetValue(key, out var press))
continue;
InputSimulator.Keyboard.KeyUp((VirtualKeyCode) press);
}
}
}
}
}