/// <summary>
/// Creates and initializes a new instance of the EvasObject class.
/// </summary>
/// <since_tizen> preview </since_tizen>
protected EvasObject()
{
_backButtonHandler = new Interop.Eext.EextEventCallback((d, o, i) => { _backButtonPressed?.Invoke(this, EventArgs.Empty); });
_moreButtonHandler = new Interop.Eext.EextEventCallback((d, o, i) => { _moreButtonPressed?.Invoke(this, EventArgs.Empty); });
OnInstantiated();
_tooltipContentCallback = (d, o, t) =>
{
return(_tooltipContentDelegate?.Invoke());
};
}
static void EnableButtonEventHandler(Efl.Object obj, Interop.Eext.EextCallbackType type)
{
if (type == Interop.Eext.EextCallbackType.EEXT_CALLBACK_BACK)
{
if (!_backButtonEventMap.ContainsKey(obj))
{
Interop.Eext.EextEventCallback cb = (d, o, i) =>
{
EventHandler events;
if (_backButtonEventHandlers.TryGetValue(obj, out events))
{
events?.Invoke(obj, EventArgs.Empty);
}
};
Interop.Eext.eext_object_event_callback_add(obj.NativeHandle, type, cb, IntPtr.Zero);
_backButtonEventMap[obj] = cb;
obj.DelEvt += (s, e) => DisableButtonEventHandler(obj, type, true);
}
}
else if (type == Interop.Eext.EextCallbackType.EEXT_CALLBACK_MORE)
{
if (!_moreButtonEventMap.ContainsKey(obj))
{
Interop.Eext.EextEventCallback cb = (d, o, i) =>
{
EventHandler events;
if (_moreButtonEventHandlers.TryGetValue(obj, out events))
{
events?.Invoke(obj, EventArgs.Empty);
}
};
Interop.Eext.eext_object_event_callback_add(obj.NativeHandle, type, cb, IntPtr.Zero);
_moreButtonEventMap[obj] = cb;
}
}
}
