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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 "AccessibilitySpinButton.h"
#include "AXObjectCache.h"
#include "RenderObject.h"
namespace WebCore {
PassRefPtr<AccessibilitySpinButton> AccessibilitySpinButton::create()
{
return adoptRef(new AccessibilitySpinButton);
}
AccessibilitySpinButton::AccessibilitySpinButton()
: m_spinButtonElement(0)
{
}
AccessibilitySpinButton::~AccessibilitySpinButton()
{
}
AccessibilityObject* AccessibilitySpinButton::incrementButton()
{
if (!m_haveChildren)
addChildren();
ASSERT(m_children.size() == 2);
return m_children[0].get();
}
AccessibilityObject* AccessibilitySpinButton::decrementButton()
{
if (!m_haveChildren)
addChildren();
ASSERT(m_children.size() == 2);
return m_children[1].get();
}
LayoutRect AccessibilitySpinButton::elementRect() const
{
ASSERT(m_spinButtonElement);
if (!m_spinButtonElement || !m_spinButtonElement->renderer())
return LayoutRect();
Vector<FloatQuad> quads;
m_spinButtonElement->renderer()->absoluteFocusRingQuads(quads);
return boundingBoxForQuads(m_spinButtonElement->renderer(), quads);
}
void AccessibilitySpinButton::addChildren()
{
m_haveChildren = true;
AccessibilitySpinButtonPart* incrementor = static_cast<AccessibilitySpinButtonPart*>(axObjectCache()->getOrCreate(SpinButtonPartRole));
incrementor->setIsIncrementor(true);
incrementor->setParent(this);
m_children.append(incrementor);
AccessibilitySpinButtonPart* decrementor = static_cast<AccessibilitySpinButtonPart*>(axObjectCache()->getOrCreate(SpinButtonPartRole));
decrementor->setIsIncrementor(false);
decrementor->setParent(this);
m_children.append(decrementor);
}
void AccessibilitySpinButton::step(int amount)
{
ASSERT(m_spinButtonElement);
if (!m_spinButtonElement)
return;
m_spinButtonElement->step(amount);
}
// AccessibilitySpinButtonPart
AccessibilitySpinButtonPart::AccessibilitySpinButtonPart()
: m_isIncrementor(false)
{
}
PassRefPtr<AccessibilitySpinButtonPart> AccessibilitySpinButtonPart::create()
{
return adoptRef(new AccessibilitySpinButtonPart);
}
LayoutRect AccessibilitySpinButtonPart::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 AccessibilitySpinButtonPart::press() const
{
if (!m_parent || !m_parent->isSpinButton())
return false;
AccessibilitySpinButton* spinButton = toAccessibilitySpinButton(parentObject());
if (m_isIncrementor)
spinButton->step(1);
else
spinButton->step(-1);
return true;
}
} // namespace WebCore
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