// XXX this was (mostly, except for the type check) c&p from DependencyObjectCollection
void
ResourceDictionary::OnIsAttachedChanged (bool attached)
{
Collection::OnIsAttachedChanged (attached);
Value *value;
for (guint i = 0; i < array->len; i++) {
value = (Value *) array->pdata[i];
if (value->Is (GetDeployment (), Type::DEPENDENCY_OBJECT)) {
DependencyObject *obj = value->AsDependencyObject ();
if (obj)
obj->SetIsAttached (attached);
}
}
}
// XXX this was (mostly, except for the type check) c&p from DependencyObjectCollection
void
ResourceDictionary::RemovedFromCollection (Value *value, bool is_value_safe)
{
if (is_value_safe & value->Is (GetDeployment (), Type::DEPENDENCY_OBJECT)) {
DependencyObject *obj = value->AsDependencyObject ();
if (obj) {
obj->RemovePropertyChangeListener (this);
obj->RemoveParent (this, NULL);
obj->SetIsAttached (false);
}
}
Collection::RemovedFromCollection (value, is_value_safe);
if (is_value_safe && value->Is (GetDeployment (), Type::DEPENDENCY_OBJECT)) {
if (!from_resource_dictionary_api && value->AsDependencyObject()) {
g_hash_table_foreach_remove (hash, remove_from_hash_by_value, value->AsDependencyObject ());
// FIXME we need to EmitChanged something here so the managed RD can remain in sync
}
}
}
// XXX this was (mostly, except for the type check) c&p from DependencyObjectCollection
bool
ResourceDictionary::AddedToCollection (Value *value, MoonError *error)
{
DependencyObject *obj = NULL;
bool rv = false;
if (value->Is(GetDeployment (), Type::DEPENDENCY_OBJECT)) {
obj = value->AsDependencyObject ();
// Call SetSurface() /before/ setting the logical parent
// because Storyboard::SetSurface() needs to be able to
// distinguish between the two cases.
if (obj->GetParent () && !can_be_added_twice (GetDeployment (), value)) {
MoonError::FillIn (error, MoonError::INVALID_OPERATION, g_strdup_printf ("Element is already a child of another element. %s", GetTypeName ()));
return false;
}
obj->AddParent (this, error);
if (error->number)
return false;
obj->SetIsAttached (IsAttached ());
obj->AddPropertyChangeListener (this);
if (!from_resource_dictionary_api) {
const char *key = obj->GetName();
if (!key) {
MoonError::FillIn (error, MoonError::ARGUMENT_NULL, "key was null");
goto cleanup;
}
if (ContainsKey (key)) {
MoonError::FillIn (error, MoonError::ARGUMENT, "An item with the same key has already been added");
goto cleanup;
}
}
}
rv = Collection::AddedToCollection (value, error);
if (rv && !from_resource_dictionary_api && obj != NULL) {
const char *key = obj->GetName();
Value *obj_value = new Value (obj);
g_hash_table_insert (hash, g_strdup (key), obj_value);
obj_value->Weaken (GetDeployment ());
EmitChanged (CollectionChangedActionAdd, obj_value, NULL, key);
}
cleanup:
if (!rv) {
if (obj) {
/* If we set the parent, but the object wasn't added to the collection, make sure we clear the parent */
printf ("ResourceDictionary::AddedToCollection (): not added, clearing parent from %p\n", obj);
obj->RemoveParent (this, NULL);
}
}
return rv;
}
