// ApplyCore is as slim as it should be:
// Setting 100000 values : 17ms.
// ApplyCore 100000 (w/o INPC, w/o unnapply) : 20ms.
internal void ApplyCore(object sourceObject, BindableObject target, BindableProperty property, bool fromTarget = false)
{
var isTSource = sourceObject != null && sourceObject is TSource;
var mode = this.GetRealizedMode(property);
if ((mode == BindingMode.OneWay || mode == BindingMode.OneTime) && fromTarget)
{
return;
}
var needsGetter = (mode == BindingMode.TwoWay && !fromTarget) || mode == BindingMode.OneWay || mode == BindingMode.OneTime;
if (isTSource && (mode == BindingMode.OneWay || mode == BindingMode.TwoWay) && _handlers != null)
{
Subscribe((TSource)sourceObject);
}
if (needsGetter)
{
var value = FallbackValue ?? property.GetDefaultValue(target);
if (isTSource)
{
try {
value = GetSourceValue(_getter((TSource)sourceObject), property.ReturnType);
} catch (Exception ex) when(ex is NullReferenceException || ex is KeyNotFoundException || ex is IndexOutOfRangeException)
{
}
}
if (!BindingExpression.TryConvert(ref value, property, property.ReturnType, true))
{
Log.Warning("Binding", "{0} can not be converted to type '{1}'", value, property.ReturnType);
return;
}
target.SetValueCore(property, value, SetValueFlags.ClearDynamicResource, BindableObject.SetValuePrivateFlags.Default | BindableObject.SetValuePrivateFlags.Converted);
return;
}
var needsSetter = (mode == BindingMode.TwoWay && fromTarget) || mode == BindingMode.OneWayToSource;
if (needsSetter && _setter != null && isTSource)
{
var value = GetTargetValue(target.GetValue(property), typeof(TProperty));
if (!BindingExpression.TryConvert(ref value, property, typeof(TProperty), false))
{
Log.Warning("Binding", "{0} can not be converted to type '{1}'", value, typeof(TProperty));
return;
}
_setter((TSource)sourceObject, (TProperty)value);
}
}