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/*
* Copyright (C) 2010 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 INC. ``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 INC. OR
* 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 "AccessibilityMenuListOption.h"
#include "AXObjectCache.h"
#include "AccessibilityMenuListPopup.h"
#include "HTMLNames.h"
#include "HTMLOptionElement.h"
namespace WebCore {
using namespace HTMLNames;
AccessibilityMenuListOption::AccessibilityMenuListOption()
: m_popup(0)
{
}
void AccessibilityMenuListOption::setElement(HTMLElement* element)
{
ASSERT_ARG(element, element->hasTagName(optionTag));
m_element = element;
}
Element* AccessibilityMenuListOption::actionElement() const
{
return m_element.get();
}
AccessibilityObject* AccessibilityMenuListOption::parentObject() const
{
return m_popup;
}
bool AccessibilityMenuListOption::isEnabled() const
{
// disabled() returns true if the parent <select> element is disabled,
// which we don't want.
return !static_cast<HTMLOptionElement*>(m_element.get())->ownElementDisabled();
}
bool AccessibilityMenuListOption::isVisible() const
{
// In a single-option select with the popup collapsed, only the selected
// item is considered visible.
return !m_popup->isOffScreen() || isSelected();
}
bool AccessibilityMenuListOption::isOffScreen() const
{
// Invisible list options are considered to be offscreen.
return !isVisible();
}
bool AccessibilityMenuListOption::isSelected() const
{
return static_cast<HTMLOptionElement*>(m_element.get())->selected();
}
void AccessibilityMenuListOption::setSelected(bool b)
{
if (!canSetSelectedAttribute())
return;
static_cast<HTMLOptionElement*>(m_element.get())->setSelected(b);
}
String AccessibilityMenuListOption::nameForMSAA() const
{
return stringValue();
}
bool AccessibilityMenuListOption::canSetSelectedAttribute() const
{
return isEnabled();
}
IntRect AccessibilityMenuListOption::elementRect() const
{
AccessibilityObject* parent = parentObject();
ASSERT(parent->isMenuListPopup());
AccessibilityObject* grandparent = parent->parentObject();
ASSERT(grandparent->isMenuList());
return grandparent->elementRect();
}
String AccessibilityMenuListOption::stringValue() const
{
return static_cast<HTMLOptionElement*>(m_element.get())->text();
}
} // namespace WebCore
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