117 lines
3.8 KiB
C++
117 lines
3.8 KiB
C++
/*
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* Copyright (c) 2012 Motorola Mobility, Inc. All rights reserved.
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* Copyright (C) 2014-2020 Apple Inc. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY MOTOROLA MOBILITY, INC. AND ITS CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL MOTOROLA MOBILITY, INC. OR ITS
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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* THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "config.h"
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#include "RadioNodeList.h"
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#include "HTMLFormElement.h"
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#include "HTMLInputElement.h"
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#include "HTMLObjectElement.h"
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#include "NodeRareData.h"
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#include <wtf/IsoMallocInlines.h>
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namespace WebCore {
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using namespace HTMLNames;
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WTF_MAKE_ISO_ALLOCATED_IMPL(RadioNodeList);
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RadioNodeList::RadioNodeList(ContainerNode& rootNode, const AtomString& name)
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: CachedLiveNodeList(rootNode, InvalidateForFormControls)
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, m_name(name)
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, m_isRootedAtDocument(is<HTMLFormElement>(rootNode))
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{
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}
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Ref<RadioNodeList> RadioNodeList::create(ContainerNode& rootNode, const AtomString& name)
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{
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return adoptRef(*new RadioNodeList(rootNode, name));
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}
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RadioNodeList::~RadioNodeList()
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{
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ownerNode().nodeLists()->removeCacheWithAtomName(*this, m_name);
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}
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static RefPtr<HTMLInputElement> nonEmptyRadioButton(Element& element)
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{
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if (!is<HTMLInputElement>(element))
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return nullptr;
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auto& inputElement = downcast<HTMLInputElement>(element);
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if (!inputElement.isRadioButton() || inputElement.value().isEmpty())
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return nullptr;
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return &inputElement;
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}
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String RadioNodeList::value() const
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{
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auto length = this->length();
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for (unsigned i = 0; i < length; ++i) {
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if (auto button = nonEmptyRadioButton(*item(i))) {
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if (button->checked())
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return button->value();
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}
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}
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return String();
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}
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void RadioNodeList::setValue(const String& value)
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{
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auto length = this->length();
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for (unsigned i = 0; i < length; ++i) {
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if (auto button = nonEmptyRadioButton(*item(i))) {
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if (button->value() == value) {
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button->setChecked(true);
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return;
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}
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}
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}
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}
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bool RadioNodeList::elementMatches(Element& element) const
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{
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if (!is<HTMLObjectElement>(element) && !is<HTMLFormControlElement>(element))
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return false;
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if (is<HTMLInputElement>(element) && downcast<HTMLInputElement>(element).isImageButton())
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return false;
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if (is<HTMLFormElement>(ownerNode())) {
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RefPtr<HTMLFormElement> form;
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if (is<HTMLObjectElement>(element))
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form = downcast<HTMLObjectElement>(element).form();
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else
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form = downcast<HTMLFormControlElement>(element).form();
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if (!form || form != &ownerNode())
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return false;
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}
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return element.getIdAttribute() == m_name || element.getNameAttribute() == m_name;
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}
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} // namespace WebCore
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