internal void CaptureMouse(jQueryEvent mouseEvent, MouseCaptureHandler h, string cssMouseCursor)
{
// coalesce cursor to null if undefined.
cssMouseCursor = cssMouseCursor ?? null;
if (_mouseCaptureHandler != null)
{
#if DEBUG
throw new Exception("Mouse already being captured.");
#else
return;
#endif
}
#if DEBUG
if (h == null || mouseEvent == null)
{
throw new Exception("Argument(s) were null.");
}
if (mouseEvent.Type != "mousedown"
&& mouseEvent.Type != "mousemove")
{
throw new Exception("Event must be a 'mousedown' or 'mousemove' type.");
}
#endif
// invoke begin
{
jQueryPosition pos = MakeJQueryPosition(mouseEvent.PageX, mouseEvent.PageY);
h(MouseCaptureState.Begin, pos);
}
// save
_mouseCaptureHandler = h;
// set barrier cursor
{
_jqMouseCaptureGlassBarrier.CSS("cursor", cssMouseCursor ?? "");
}
// turn on barrier
#if !DEBUG_MOUSE_CAPTURE
_jqMouseCaptureGlassBarrier.Show();
#else
_jqMouseCaptureGlassBarrier.FadeTo(0, 0.25f);
#endif
}
private static void OnMouseUpDocument(jQueryEvent e)
{
if (_mouseCaptureHandler == null)
{
return;
}
_mouseCaptureHandler(MouseCaptureState.End, MakeJQueryPosition(e.PageX, e.PageY));
_mouseCaptureHandler = null;
e.PreventDefault();
e.StopPropagation();
_jqMouseCaptureGlassBarrier.Hide();
}
extern internal void CaptureMouse(jQueryEvent mouseEvent, MouseCaptureHandler h);
