| /* |
| * 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 "config.h" |
| #include "core/html/HTMLOptionsCollection.h" |
| |
| #include "bindings/core/v8/ExceptionMessages.h" |
| #include "bindings/core/v8/ExceptionState.h" |
| #include "bindings/core/v8/UnionTypesCore.h" |
| #include "core/dom/ExceptionCode.h" |
| #include "core/dom/StaticNodeList.h" |
| #include "core/html/HTMLOptionElement.h" |
| #include "core/html/HTMLSelectElement.h" |
| |
| namespace blink { |
| |
| HTMLOptionsCollection::HTMLOptionsCollection(ContainerNode& select) |
| : HTMLCollection(select, SelectOptions, DoesNotOverrideItemAfter) |
| { |
| ASSERT(isHTMLSelectElement(select)); |
| } |
| |
| 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> existingNames; |
| unsigned length = this->length(); |
| for (unsigned i = 0; i < length; ++i) { |
| Element* element = item(i); |
| ASSERT(element); |
| const AtomicString& idAttribute = element->getIdAttribute(); |
| if (!idAttribute.isEmpty()) { |
| HashSet<AtomicString>::AddResult addResult = existingNames.add(idAttribute); |
| if (addResult.isNewEntry) |
| names.append(idAttribute); |
| } |
| const AtomicString& nameAttribute = element->getNameAttribute(); |
| if (!nameAttribute.isEmpty()) { |
| HashSet<AtomicString>::AddResult addResult = existingNames.add(nameAttribute); |
| if (addResult.isNewEntry) |
| names.append(nameAttribute); |
| } |
| } |
| } |
| |
| PassRefPtrWillBeRawPtr<HTMLOptionsCollection> HTMLOptionsCollection::create(ContainerNode& select, CollectionType) |
| { |
| return adoptRefWillBeNoop(new HTMLOptionsCollection(select)); |
| } |
| |
| void HTMLOptionsCollection::add(const HTMLOptionElementOrHTMLOptGroupElement& element, const HTMLElementOrLong& before, ExceptionState& exceptionState) |
| { |
| toHTMLSelectElement(ownerNode()).add(element, before, exceptionState); |
| } |
| |
| void HTMLOptionsCollection::remove(int index) |
| { |
| toHTMLSelectElement(ownerNode()).remove(index); |
| } |
| |
| int HTMLOptionsCollection::selectedIndex() const |
| { |
| return toHTMLSelectElement(ownerNode()).selectedIndex(); |
| } |
| |
| void HTMLOptionsCollection::setSelectedIndex(int index) |
| { |
| toHTMLSelectElement(ownerNode()).setSelectedIndex(index); |
| } |
| |
| void HTMLOptionsCollection::setLength(unsigned length, ExceptionState& exceptionState) |
| { |
| toHTMLSelectElement(ownerNode()).setLength(length, exceptionState); |
| } |
| |
| void HTMLOptionsCollection::namedGetter(const AtomicString& name, NodeListOrElement& returnValue) |
| { |
| WillBeHeapVector<RefPtrWillBeMember<Element>> namedItems; |
| this->namedItems(name, namedItems); |
| |
| if (!namedItems.size()) |
| return; |
| |
| if (namedItems.size() == 1) { |
| returnValue.setElement(namedItems.at(0)); |
| return; |
| } |
| |
| // FIXME: The spec and Firefox do not return a NodeList. They always return the first matching Element. |
| returnValue.setNodeList(StaticElementList::adopt(namedItems)); |
| } |
| |
| bool HTMLOptionsCollection::anonymousIndexedSetter(unsigned index, PassRefPtrWillBeRawPtr<HTMLOptionElement> value, ExceptionState& exceptionState) |
| { |
| HTMLSelectElement& base = toHTMLSelectElement(ownerNode()); |
| if (!value) { // undefined or null |
| base.remove(index); |
| return true; |
| } |
| base.setOption(index, value.get(), exceptionState); |
| return true; |
| } |
| |
| } // namespace |
| |