| /* |
| * Copyright (C) 2006, 2011, 2012 Apple Computer, Inc. |
| * Copyright (C) 2014 Samsung Electronics. All rights reserved. |
| * |
| * This library is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Library General Public |
| * License as published by the Free Software Foundation; either |
| * version 2 of the License, or (at your option) any later version. |
| * |
| * This library is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * Library General Public License for more details. |
| * |
| * You should have received a copy of the GNU Library General Public License |
| * along with this library; see the file COPYING.LIB. If not, write to |
| * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
| * Boston, MA 02110-1301, USA. |
| * |
| */ |
| |
| #include "third_party/blink/renderer/core/html/forms/html_options_collection.h" |
| |
| #include "third_party/blink/renderer/bindings/core/v8/html_element_or_long.h" |
| #include "third_party/blink/renderer/bindings/core/v8/html_option_element_or_html_opt_group_element.h" |
| #include "third_party/blink/renderer/core/html/forms/html_option_element.h" |
| #include "third_party/blink/renderer/core/html/forms/html_select_element.h" |
| #include "third_party/blink/renderer/platform/bindings/exception_state.h" |
| |
| namespace blink { |
| |
| HTMLOptionsCollection::HTMLOptionsCollection(ContainerNode& select) |
| : HTMLCollection(select, kSelectOptions, kDoesNotOverrideItemAfter) { |
| DCHECK(IsA<HTMLSelectElement>(select)); |
| } |
| |
| HTMLOptionsCollection::HTMLOptionsCollection(ContainerNode& select, |
| CollectionType type) |
| : HTMLOptionsCollection(select) { |
| DCHECK_EQ(type, kSelectOptions); |
| } |
| |
| void HTMLOptionsCollection::SupportedPropertyNames(Vector<String>& names) { |
| // As per |
| // http://www.whatwg.org/specs/web-apps/current-work/multipage/common-dom-interfaces.html#htmloptionscollection: |
| // The supported property names consist of the non-empty values of all the id |
| // and name attributes of all the elements represented by the collection, in |
| // tree order, ignoring later duplicates, with the id of an element preceding |
| // its name if it contributes both, they differ from each other, and neither |
| // is the duplicate of an earlier entry. |
| HashSet<AtomicString> existing_names; |
| unsigned length = this->length(); |
| for (unsigned i = 0; i < length; ++i) { |
| Element* element = item(i); |
| DCHECK(element); |
| const AtomicString& id_attribute = element->GetIdAttribute(); |
| if (!id_attribute.IsEmpty()) { |
| HashSet<AtomicString>::AddResult add_result = |
| existing_names.insert(id_attribute); |
| if (add_result.is_new_entry) |
| names.push_back(id_attribute); |
| } |
| const AtomicString& name_attribute = element->GetNameAttribute(); |
| if (!name_attribute.IsEmpty()) { |
| HashSet<AtomicString>::AddResult add_result = |
| existing_names.insert(name_attribute); |
| if (add_result.is_new_entry) |
| names.push_back(name_attribute); |
| } |
| } |
| } |
| |
| void HTMLOptionsCollection::add( |
| const HTMLOptionElementOrHTMLOptGroupElement& element, |
| const HTMLElementOrLong& before, |
| ExceptionState& exception_state) { |
| To<HTMLSelectElement>(ownerNode()).add(element, before, exception_state); |
| } |
| |
| void HTMLOptionsCollection::remove(int index) { |
| To<HTMLSelectElement>(ownerNode()).remove(index); |
| } |
| |
| int HTMLOptionsCollection::selectedIndex() const { |
| return To<HTMLSelectElement>(ownerNode()).selectedIndex(); |
| } |
| |
| void HTMLOptionsCollection::setSelectedIndex(int index) { |
| To<HTMLSelectElement>(ownerNode()).setSelectedIndex(index); |
| } |
| |
| void HTMLOptionsCollection::setLength(unsigned length, |
| ExceptionState& exception_state) { |
| To<HTMLSelectElement>(ownerNode()).setLength(length, exception_state); |
| } |
| |
| IndexedPropertySetterResult HTMLOptionsCollection::AnonymousIndexedSetter( |
| unsigned index, |
| HTMLOptionElement* value, |
| ExceptionState& exception_state) { |
| auto& base = To<HTMLSelectElement>(ownerNode()); |
| if (!value) { // undefined or null |
| base.remove(index); |
| return IndexedPropertySetterResult::kIntercepted; |
| } |
| base.SetOption(index, value, exception_state); |
| return IndexedPropertySetterResult::kIntercepted; |
| } |
| |
| } // namespace blink |