private async void MouseMoveHook_Move(object sender, MouseHookEventArgs e)
{
if ((DateTime.UtcNow - lastMouseEvent).TotalSeconds > Config.MaxEventRate)
{
// Returns immediately if semaphore is already taken
if (!await semSlim.WaitAsync(0))
{
return;
}
try
{
IElement element = Svc.SM.UI.ElementWdw.CurrentElement;
string content = GetContent() ?? string.Empty;
if (element == null)
{
return;
}
await eventStore.AddEvent(new SMEvent(element, content, EventOrigin.Mouse));
lastMouseEvent = DateTime.UtcNow;
}
finally
{
semSlim.Release();
}
}
}
private void OnMove(MouseHookEventArgs e)
{
if (Svc.SM.UI.ElementWdw.IsAvailable)
{
IntPtr SMElementWdw = Svc.SM.UI.ElementWdw.Handle;
IntPtr ForegroundWdw = Natives.GetForegroundWindow();
if (SMElementWdw == ForegroundWdw)
{
Move?.Invoke(this, e);
}
}
}
/// <summary>
/// This is the callback method that is called whenever a low level mouse event is triggered.
/// We use it to call our individual custom events.
/// </summary>
private IntPtr MouseHookCallback(int nCode, IntPtr wParam, IntPtr lParam)
{
if (nCode >= 0)
{
var lParamStruct = (MSLLHOOKSTRUCT)Marshal.PtrToStructure(lParam, typeof(MSLLHOOKSTRUCT));
var e = new MouseHookEventArgs(lParamStruct);
switch ((MouseMessages)wParam)
{
case MouseMessages.WmMouseMove:
TriggerMouseEvent(e, MouseEventNames.MouseMove, OnMove);
break;
}
}
return((IntPtr)Natives.CallNextHookEx(_hookId, nCode, wParam, lParam));
}
private static void TriggerMouseEvent(MouseHookEventArgs e, MouseEventNames name,
Action <MouseHookEventArgs> method)
{
e.MouseEventName = name;
method(e);
}