Source/WebCore/accessibility/AccessibilitySVGRoot.cpp

/*
 * Copyright (C) 2012 Apple Inc. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
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 *     notice, this list of conditions and the following disclaimer.
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 * 3.  Neither the name of Apple Inc. ("Apple") nor the names of
 *     its contributors may be used to endorse or promote products derived
 *     from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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 */

#include "config.h"
#include "AccessibilitySVGRoot.h"

#include "RenderObject.h"

namespace WebCore {

AccessibilitySVGRoot::AccessibilitySVGRoot(RenderObject* renderer)
    : AccessibilitySVGElement(renderer)
{
}

AccessibilitySVGRoot::~AccessibilitySVGRoot() = default;

Ref<AccessibilitySVGRoot> AccessibilitySVGRoot::create(RenderObject* renderer)
{
    return adoptRef(*new AccessibilitySVGRoot(renderer));
}

void AccessibilitySVGRoot::setParent(AccessibilityRenderObject* parent)
{
    m_parent = makeWeakPtr(parent);
}
    
AccessibilityObject* AccessibilitySVGRoot::parentObject() const
{
    // If a parent was set because this is a remote SVG resource, use that
    // but otherwise, we should rely on the standard render tree for the parent.
    if (m_parent)
        return m_parent.get();
    
    return AccessibilitySVGElement::parentObject();
}

AccessibilityRole AccessibilitySVGRoot::roleValue() const
{
    AccessibilityRole ariaRole = ariaRoleAttribute();
    if (ariaRole != AccessibilityRole::Unknown)
        return ariaRole;

    return AccessibilityRole::Group;
}
    
} // namespace WebCore