void
Popup::OnPropertyChanged (PropertyChangedEventArgs *args, MoonError *error)
{
if (args->GetProperty ()->GetOwnerType() != Type::POPUP) {
FrameworkElement::OnPropertyChanged (args, error);
return;
}
if (args->GetId () == Popup::IsOpenProperty) {
// we intentionally don't track whether we've added a tick
// call (to make sure we only add it once) for this event
// because multiple IsOpen changes cause multiple async events
// in SL.
if (args->GetNewValue () && args->GetNewValue ()->AsBool ()) {
Show (GetChild ());
EmitAsync (Popup::OpenedEvent);
}
else {
Hide (GetChild ());
EmitAsync (Popup::ClosedEvent);
}
} else if (args->GetId () == Popup::ChildProperty) {
if (args->GetOldValue () && !args->GetOldValue ()->GetIsNull ()) {
FrameworkElement *el = args->GetOldValue ()->AsFrameworkElement ();
if (GetIsOpen ())
Hide (el);
el->SetLogicalParent (NULL, error);
if (error->number)
return;
}
if (args->GetNewValue () && !args->GetNewValue ()->GetIsNull ()) {
FrameworkElement *el = args->GetNewValue ()->AsFrameworkElement ();
el->SetLogicalParent (this, error);
if (error->number)
return;
if (GetIsOpen ())
Show (el);
}
} else if (args->GetId () == Popup::HorizontalOffsetProperty
|| args->GetId () == Popup::VerticalOffsetProperty) {
UIElement * child = GetChild ();
if (child)
child->UpdateTransform ();
}
NotifyListenersOfPropertyChange (args, error);
}
void
Control::OnPropertyChanged (PropertyChangedEventArgs *args, MoonError *error)
{
if (args->GetProperty ()->GetOwnerType() != Type::CONTROL) {
FrameworkElement::OnPropertyChanged (args, error);
return;
}
if (args->GetId () == Control::TemplateProperty) {
if (GetSubtreeObject ())
ElementRemoved ((UIElement *) GetSubtreeObject ());
InvalidateMeasure ();
}
else if (args->GetId () == Control::PaddingProperty
|| args->GetId () == Control::BorderThicknessProperty) {
InvalidateMeasure ();
} else if (args->GetId () == Control::IsEnabledProperty) {
if (!args->GetNewValue ()->AsBool ()) {
Surface *surface = Deployment::GetCurrent ()->GetSurface ();
if (surface && surface->GetFocusedElement () == this) {
// Ensure this element loses focus, then try to focus the next suitable element
surface->FocusElement (NULL);
TabNavigationWalker::Focus (this, true);
}
ReleaseMouseCapture ();
}
PropertyChangedEventArgs *pargs = new PropertyChangedEventArgs (args->GetProperty(),
args->GetId (),
args->GetOldValue(),
args->GetNewValue());
EmitAsync (IsEnabledChangedEvent, pargs);
} else if (args->GetId () == Control::HorizontalContentAlignmentProperty
|| args->GetId () == Control::VerticalContentAlignmentProperty) {
InvalidateArrange ();
}
NotifyListenersOfPropertyChange (args, error);
}
