blob: 18a59e8c14cc7fff136a023fc3dc5ac2587c6e93 [file] [log] [blame]
/*
* Copyright (C) 2008 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.
* 3. Neither the name of Apple Computer, 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
* 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 "modules/accessibility/AXTableRow.h"
#include "core/layout/LayoutTableRow.h"
#include "modules/accessibility/AXObjectCacheImpl.h"
#include "modules/accessibility/AXTableCell.h"
namespace blink {
using namespace HTMLNames;
AXTableRow::AXTableRow(LayoutObject* layoutObject, AXObjectCacheImpl& axObjectCache)
: AXLayoutObject(layoutObject, axObjectCache)
{
}
AXTableRow::~AXTableRow()
{
}
AXTableRow* AXTableRow::create(LayoutObject* layoutObject, AXObjectCacheImpl& axObjectCache)
{
return new AXTableRow(layoutObject, axObjectCache);
}
AccessibilityRole AXTableRow::determineAccessibilityRole()
{
if (!isTableRow())
return AXLayoutObject::determineAccessibilityRole();
if ((m_ariaRole = determineAriaRoleAttribute()) != UnknownRole)
return m_ariaRole;
return RowRole;
}
bool AXTableRow::isTableRow() const
{
AXObject* table = parentTable();
if (!table || !table->isAXTable())
return false;
return true;
}
bool AXTableRow::computeAccessibilityIsIgnored(IgnoredReasons* ignoredReasons) const
{
AXObjectInclusion decision = defaultObjectInclusion(ignoredReasons);
if (decision == IncludeObject)
return false;
if (decision == IgnoreObject)
return true;
if (!isTableRow())
return AXLayoutObject::computeAccessibilityIsIgnored(ignoredReasons);
return false;
}
AXObject* AXTableRow::parentTable() const
{
AXObject* parent = parentObjectUnignored();
if (!parent || !parent->isAXTable())
return 0;
return parent;
}
AXObject* AXTableRow::headerObject()
{
AXObjectVector headers;
headerObjectsForRow(headers);
if (!headers.size())
return 0;
return headers[0].get();
}
void AXTableRow::headerObjectsForRow(AXObjectVector& headers)
{
if (!m_layoutObject || !m_layoutObject->isTableRow())
return;
for (const auto& cell : children()) {
if (!cell->isTableCell())
continue;
if (toAXTableCell(cell.get())->scanToDecideHeaderRole() == RowHeaderRole)
headers.append(cell);
}
}
} // namespace blink