/// <summary>
/// Adds a function for a signal emitted by the object item edje.
/// </summary>
/// <param name="emission">The signal's name.</param>
/// <param name="source">The signal's source.</param>
/// <param name="func">The function to be executed when the signal is emitted.</param>
/// <since_tizen> preview </since_tizen>
public void AddSignalHandler(string emission, string source, Func <string, string, bool> func)
{
if (emission != null && source != null && func != null)
{
var signalData = new SignalData(emission, source, func);
if (!_signalDatas.ContainsKey(signalData))
{
var signalCallback = new Interop.Elementary.Elm_Object_Item_Signal_Cb((d, o, e, s) =>
{
return(func(e, s));
});
Interop.Elementary.elm_object_item_signal_callback_add(Handle, emission, source, signalCallback, IntPtr.Zero);
}
}
}
/// <summary>
/// Removes a signal-triggered function from the object item edje object.
/// </summary>
/// <param name="emission">The signal's name.</param>
/// <param name="source">The signal's source.</param>
/// <param name="func">The function to be executed when the signal is emitted.</param>
/// <since_tizen> preview </since_tizen>
public void RemoveSignalHandler(string emission, string source, Func <string, string, bool> func)
{
if (emission != null && source != null && func != null)
{
var signalData = new SignalData(emission, source, func);
Interop.Elementary.Elm_Object_Item_Signal_Cb signalCallback = null;
_signalDatas.TryGetValue(signalData, out signalCallback);
if (signalCallback != null)
{
Interop.Elementary.elm_object_item_signal_callback_del(Handle, emission, source, signalCallback);
_signalDatas.Remove(signalData);
}
}
}