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/*
* Copyright (C) 2011 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:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* 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
* DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#include "modules/accessibility/AXSpinButton.h"
#include "core/rendering/RenderObject.h"
#include "modules/accessibility/AXObjectCacheImpl.h"
namespace blink {
PassRefPtr<AXSpinButton> AXSpinButton::create(AXObjectCacheImpl* axObjectCache)
{
return adoptRef(new AXSpinButton(axObjectCache));
}
AXSpinButton::AXSpinButton(AXObjectCacheImpl* axObjectCache)
: AXMockObject(axObjectCache)
, m_spinButtonElement(0)
{
}
AXSpinButton::~AXSpinButton()
{
}
LayoutRect AXSpinButton::elementRect() const
{
if (!m_spinButtonElement || !m_spinButtonElement->renderer())
return LayoutRect();
return m_spinButtonElement->renderer()->absoluteFocusRingBoundingBoxRect();
}
void AXSpinButton::detach()
{
AXObject::detach();
m_spinButtonElement = 0;
}
void AXSpinButton::detachFromParent()
{
AXObject::detachFromParent();
m_spinButtonElement = 0;
}
AccessibilityRole AXSpinButton::roleValue() const
{
return m_spinButtonElement ? SpinButtonRole : UnknownRole;
}
void AXSpinButton::addChildren()
{
m_haveChildren = true;
AXSpinButtonPart* incrementor = toAXSpinButtonPart(axObjectCache()->getOrCreate(SpinButtonPartRole));
incrementor->setIsIncrementor(true);
incrementor->setParent(this);
m_children.append(incrementor);
AXSpinButtonPart* decrementor = toAXSpinButtonPart(axObjectCache()->getOrCreate(SpinButtonPartRole));
decrementor->setIsIncrementor(false);
decrementor->setParent(this);
m_children.append(decrementor);
}
void AXSpinButton::step(int amount)
{
ASSERT(m_spinButtonElement);
if (!m_spinButtonElement)
return;
m_spinButtonElement->step(amount);
}
// AXSpinButtonPart
AXSpinButtonPart::AXSpinButtonPart(AXObjectCacheImpl* axObjectCache)
: AXMockObject(axObjectCache)
, m_isIncrementor(false)
{
}
PassRefPtr<AXSpinButtonPart> AXSpinButtonPart::create(AXObjectCacheImpl* axObjectCache)
{
return adoptRef(new AXSpinButtonPart(axObjectCache));
}
LayoutRect AXSpinButtonPart::elementRect() const
{
// FIXME: This logic should exist in the render tree or elsewhere, but there is no
// relationship that exists that can be queried.
LayoutRect parentRect = parentObject()->elementRect();
if (m_isIncrementor) {
parentRect.setHeight(parentRect.height() / 2);
} else {
parentRect.setY(parentRect.y() + parentRect.height() / 2);
parentRect.setHeight(parentRect.height() / 2);
}
return parentRect;
}
bool AXSpinButtonPart::press() const
{
if (!m_parent || !m_parent->isSpinButton())
return false;
AXSpinButton* spinButton = toAXSpinButton(parentObject());
if (m_isIncrementor)
spinButton->step(1);
else
spinButton->step(-1);
return true;
}
} // namespace blink
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