blob: d133dfb4b0c007a4fccee7c3a81f9cfd16ebba4d [file] [log] [blame]
/*
* Copyright (C) 2010 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 "modules/accessibility/AXProgressIndicator.h"
#include "core/html/HTMLProgressElement.h"
#include "core/layout/LayoutProgress.h"
#include "modules/accessibility/AXObjectCacheImpl.h"
#include "platform/FloatConversion.h"
namespace blink {
using namespace HTMLNames;
AXProgressIndicator::AXProgressIndicator(LayoutProgress* layoutObject, AXObjectCacheImpl& axObjectCache)
: AXLayoutObject(layoutObject, axObjectCache)
{
}
AXProgressIndicator* AXProgressIndicator::create(LayoutProgress* layoutObject, AXObjectCacheImpl& axObjectCache)
{
return new AXProgressIndicator(layoutObject, axObjectCache);
}
AccessibilityRole AXProgressIndicator::determineAccessibilityRole()
{
if ((m_ariaRole = determineAriaRoleAttribute()) != UnknownRole)
return m_ariaRole;
return ProgressIndicatorRole;
}
bool AXProgressIndicator::computeAccessibilityIsIgnored(IgnoredReasons* ignoredReasons) const
{
return accessibilityIsIgnoredByDefault(ignoredReasons);
}
float AXProgressIndicator::valueForRange() const
{
if (hasAttribute(aria_valuenowAttr))
return getAttribute(aria_valuenowAttr).toFloat();
if (element()->position() >= 0)
return narrowPrecisionToFloat(element()->value());
// Indeterminate progress bar should return 0.
return 0.0f;
}
float AXProgressIndicator::maxValueForRange() const
{
if (hasAttribute(aria_valuemaxAttr))
return getAttribute(aria_valuemaxAttr).toFloat();
return narrowPrecisionToFloat(element()->max());
}
float AXProgressIndicator::minValueForRange() const
{
if (hasAttribute(aria_valueminAttr))
return getAttribute(aria_valueminAttr).toFloat();
return 0.0f;
}
HTMLProgressElement* AXProgressIndicator::element() const
{
return toLayoutProgress(m_layoutObject)->progressElement();
}
} // namespace blink