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/*
* Copyright (C) 1999 Lars Knoll (knoll@kde.org)
* (C) 1999 Antti Koivisto (koivisto@kde.org)
* (C) 2001 Peter Kelly (pmk@post.com)
* (C) 2001 Dirk Mueller (mueller@kde.org)
* Copyright (C) 2003, 2004, 2005, 2006, 2008, 2010 Apple Inc. All rights reserved.
* Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
*
* 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 "ElementAttributeData.h"
#include "Attr.h"
#include "StyledElement.h"
namespace WebCore {
ElementAttributeData::~ElementAttributeData()
{
detachAttributesFromElement();
}
void ElementAttributeData::setClass(const String& className, bool shouldFoldCase)
{
m_classNames.set(className, shouldFoldCase);
}
StylePropertySet* ElementAttributeData::ensureInlineStyleDecl(StyledElement* element)
{
if (!m_inlineStyleDecl) {
ASSERT(element->isStyledElement());
m_inlineStyleDecl = StylePropertySet::create(element->document()->elementSheet());
m_inlineStyleDecl->setStrictParsing(element->isHTMLElement() && !element->document()->inQuirksMode());
}
return m_inlineStyleDecl.get();
}
void ElementAttributeData::destroyInlineStyleDecl(StyledElement* element)
{
if (!m_inlineStyleDecl)
return;
m_inlineStyleDecl->clearParentElement(element);
m_inlineStyleDecl = 0;
}
void ElementAttributeData::addAttribute(PassRefPtr<Attribute> prpAttribute, Element* element)
{
RefPtr<Attribute> attribute = prpAttribute;
if (element)
element->willModifyAttribute(attribute->name(), nullAtom, attribute->value());
m_attributes.append(attribute);
if (Attr* attr = attribute->attr())
attr->m_element = element;
if (element)
element->didAddAttribute(attribute.get());
}
void ElementAttributeData::removeAttribute(size_t index, Element* element)
{
ASSERT(index < length());
RefPtr<Attribute> attribute = m_attributes[index];
if (element)
element->willRemoveAttribute(attribute->name(), attribute->value());
if (Attr* attr = attribute->attr())
attr->m_element = 0;
m_attributes.remove(index);
if (element)
element->didRemoveAttribute(attribute.get());
}
void ElementAttributeData::detachAttributesFromElement()
{
size_t size = m_attributes.size();
for (size_t i = 0; i < size; i++) {
if (Attr* attr = m_attributes[i]->attr())
attr->m_element = 0;
}
}
void ElementAttributeData::copyAttributesToVector(Vector<RefPtr<Attribute> >& copy)
{
copy = m_attributes;
}
size_t ElementAttributeData::getAttributeItemIndexSlowCase(const String& name, bool shouldIgnoreAttributeCase) const
{
unsigned len = length();
// Continue to checking case-insensitively and/or full namespaced names if necessary:
for (unsigned i = 0; i < len; ++i) {
const QualifiedName& attrName = m_attributes[i]->name();
if (!attrName.hasPrefix()) {
if (shouldIgnoreAttributeCase && equalIgnoringCase(name, attrName.localName()))
return i;
} else {
// FIXME: Would be faster to do this comparison without calling toString, which
// generates a temporary string by concatenation. But this branch is only reached
// if the attribute name has a prefix, which is rare in HTML.
if (equalPossiblyIgnoringCase(name, attrName.toString(), shouldIgnoreAttributeCase))
return i;
}
}
return notFound;
}
void ElementAttributeData::setAttributes(const ElementAttributeData& other, Element* element)
{
ASSERT(element);
// If assigning the map changes the id attribute, we need to call
// updateId.
Attribute* oldId = getAttributeItem(element->document()->idAttributeName());
Attribute* newId = other.getAttributeItem(element->document()->idAttributeName());
if (oldId || newId)
element->updateId(oldId ? oldId->value() : nullAtom, newId ? newId->value() : nullAtom);
Attribute* oldName = getAttributeItem(HTMLNames::nameAttr);
Attribute* newName = other.getAttributeItem(HTMLNames::nameAttr);
if (oldName || newName)
element->updateName(oldName ? oldName->value() : nullAtom, newName ? newName->value() : nullAtom);
clearAttributes();
unsigned newLength = other.length();
m_attributes.resize(newLength);
// FIXME: These loops can probably be combined.
for (unsigned i = 0; i < newLength; i++)
m_attributes[i] = other.m_attributes[i]->clone();
for (unsigned i = 0; i < newLength; i++)
element->attributeChanged(m_attributes[i].get());
}
void ElementAttributeData::clearAttributes()
{
clearClass();
detachAttributesFromElement();
m_attributes.clear();
}
void ElementAttributeData::replaceAttribute(size_t index, PassRefPtr<Attribute> prpAttribute, Element* element)
{
ASSERT(element);
ASSERT(index < length());
RefPtr<Attribute> attribute = prpAttribute;
Attribute* old = m_attributes[index].get();
element->willModifyAttribute(attribute->name(), old->value(), attribute->value());
if (Attr* attr = old->attr())
attr->m_element = 0;
m_attributes[index] = attribute;
if (Attr* attr = attribute->attr())
attr->m_element = element;
element->didModifyAttribute(attribute.get());
}
}
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