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/*
* Copyright (C) 1999 Lars Knoll (knoll@kde.org)
* (C) 1999 Antti Koivisto (koivisto@kde.org)
* (C) 2001 Dirk Mueller (mueller@kde.org)
* Copyright (C) 2003-2017 Apple Inc. 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 "HTMLTitleElement.h"
#include "Document.h"
#include "ElementInlines.h"
#include "HTMLNames.h"
#include "NodeRenderStyle.h"
#include "RenderElement.h"
#include "RenderStyle.h"
#include "ResolvedStyle.h"
#include "StyleInheritedData.h"
#include "StyleResolver.h"
#include "Text.h"
#include "TextManipulationController.h"
#include "TextNodeTraversal.h"
#include <wtf/Ref.h>
#include <wtf/TZoneMallocInlines.h>
#include <wtf/text/StringBuilder.h>
namespace WebCore {
WTF_MAKE_TZONE_OR_ISO_ALLOCATED_IMPL(HTMLTitleElement);
using namespace HTMLNames;
inline HTMLTitleElement::HTMLTitleElement(const QualifiedName& tagName, Document& document)
: HTMLElement(tagName, document)
{
ASSERT(hasTagName(titleTag));
}
Ref<HTMLTitleElement> HTMLTitleElement::create(const QualifiedName& tagName, Document& document)
{
return adoptRef(*new HTMLTitleElement(tagName, document));
}
Node::InsertedIntoAncestorResult HTMLTitleElement::insertedIntoAncestor(InsertionType insertionType, ContainerNode& parentOfInsertedTree)
{
HTMLElement::insertedIntoAncestor(insertionType, parentOfInsertedTree);
if (insertionType.connectedToDocument)
return InsertedIntoAncestorResult::NeedsPostInsertionCallback;
return InsertedIntoAncestorResult::Done;
}
void HTMLTitleElement::didFinishInsertingNode()
{
HTMLElement::didFinishInsertingNode();
m_title = computedTextWithDirection();
document().titleElementAdded(*this);
}
void HTMLTitleElement::removedFromAncestor(RemovalType removalType, ContainerNode& oldParentOfRemovedTree)
{
HTMLElement::removedFromAncestor(removalType, oldParentOfRemovedTree);
if (removalType.disconnectedFromDocument)
document().titleElementRemoved(*this);
}
void HTMLTitleElement::childrenChanged(const ChildChange& change)
{
HTMLElement::childrenChanged(change);
if (isConnected()) {
m_title = computedTextWithDirection();
document().titleElementTextChanged(*this);
}
}
String HTMLTitleElement::text() const
{
return TextNodeTraversal::childTextContent(*this);
}
StringWithDirection HTMLTitleElement::computedTextWithDirection()
{
ASSERT(isConnected());
if (!firstChild())
return { };
auto direction = TextDirection::LTR;
if (auto* computedStyle = this->computedStyle())
direction = computedStyle->writingMode().computedTextDirection();
return { text(), direction };
}
void HTMLTitleElement::setText(String&& value)
{
setTextContent(WTFMove(value));
}
}
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