static void DisableButtonEventHandler(Efl.Object obj, Interop.Eext.EextCallbackType type, bool removeHandler)
{
Interop.Eext.EextEventCallback cb;
if (type == Interop.Eext.EextCallbackType.EEXT_CALLBACK_BACK)
{
if (_backButtonEventMap.TryGetValue(obj, out cb))
{
Interop.Eext.eext_object_event_callback_del(obj.NativeHandle, type, cb);
_backButtonEventMap.Remove(obj);
}
if (removeHandler && _backButtonEventHandlers.ContainsKey(obj))
{
_backButtonEventHandlers.Remove(obj);
}
}
else if (type == Interop.Eext.EextCallbackType.EEXT_CALLBACK_MORE)
{
if (_moreButtonEventMap.TryGetValue(obj, out cb))
{
Interop.Eext.eext_object_event_callback_del(obj.NativeHandle, type, cb);
_moreButtonEventMap.Remove(obj);
}
if (removeHandler && _moreButtonEventHandlers.ContainsKey(obj))
{
_moreButtonEventHandlers.Remove(obj);
}
}
}
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;
}
}
}
