internal void UnApply(BindableObject target, bool fromStyle = false)
{
if (target == null)
{
throw new ArgumentNullException(nameof(target));
}
if (Property == null)
{
return;
}
object actual = target.GetValue(Property);
if (!Equals(actual, Value) && !(Value is Tizen.NUI.XamlBinding.Binding) && !(Value is DynamicResource))
{
//Do not reset default value if the value has been changed
_originalValues.Remove(target);
return;
}
object defaultValue;
if (_originalValues.TryGetValue(target, out defaultValue))
{
//reset default value, unapply bindings and dynamicResource
target.SetValue(Property, defaultValue, fromStyle);
_originalValues.Remove(target);
}
else
{
target.ClearValue(Property);
}
}
internal override void TearDown(BindableObject bindable)
{
bindable.RemoveBinding(_boundProperty);
bindable.ClearValue(_boundProperty);
}
internal override void TearDown(BindableObject bindable)
{
bindable.ClearValue(_stateProperty);
bindable.PropertyChanged -= OnAttachedObjectPropertyChanged;
}