. If it is,
// then it can act as the title ui element. (This is only in the
// case when the table is not appearing as an AXTable.)
if (isTableCell() || !m_renderer || !m_renderer->isTableCell())
return 0;
// Table cells that are th cannot have title ui elements, since by definition
// they are title ui elements
Node* node = m_renderer->node();
if (node && node->hasTagName(thTag))
return 0;
RenderTableCell* renderCell = toRenderTableCell(m_renderer);
// If this cell is in the first column, there is no need to continue.
int col = renderCell->col();
if (!col)
return 0;
int row = renderCell->row();
RenderTableSection* section = renderCell->section();
if (!section)
return 0;
RenderTableCell* headerCell = section->primaryCellAt(row, 0);
if (!headerCell || headerCell == renderCell)
return 0;
Node* cellElement = headerCell->node();
if (!cellElement || !cellElement->hasTagName(thTag))
return 0;
return axObjectCache()->getOrCreate(headerCell);
}
} // namespace WebCore
/*
* 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 "config.h"
#include "AccessibilityTableCell.h"
#include "AXObjectCache.h"
#include "HTMLNames.h"
#include "RenderObject.h"
#include "RenderTableCell.h"
using namespace std;
namespace WebCore {
using namespace HTMLNames;
AccessibilityTableCell::AccessibilityTableCell(RenderObject* renderer)
: AccessibilityRenderObject(renderer)
{
}
AccessibilityTableCell::~AccessibilityTableCell()
{
}
PassRefPtr<AccessibilityTableCell> AccessibilityTableCell::create(RenderObject* renderer)
{
return adoptRef(new AccessibilityTableCell(renderer));
}
bool AccessibilityTableCell::accessibilityIsIgnored() const
{
AccessibilityObjectInclusion decision = accessibilityIsIgnoredBase();
if (decision == IncludeObject)
return false;
if (decision == IgnoreObject)
return true;
if (!isTableCell())
return AccessibilityRenderObject::accessibilityIsIgnored();
return false;
}
AccessibilityObject* AccessibilityTableCell::parentTable() const
{
if (!m_renderer || !m_renderer->isTableCell())
return 0;
// Do not use getOrCreate. parentTable() can be called while the render tree is being modified
// by javascript, and creating a table element may try to access the render tree while in a bad state.
// By using only get() implies that the AXTable must be created before AXTableCells. This should
// always be the case when AT clients access a table.
// https://bugs.webkit.org/show_bug.cgi?id=42652
return axObjectCache()->get(toRenderTableCell(m_renderer)->table());
}
bool AccessibilityTableCell::isTableCell() const
{
AccessibilityObject* table = parentTable();
if (!table || !table->isAccessibilityTable())
return false;
return true;
}
AccessibilityRole AccessibilityTableCell::roleValue() const
{
if (!isTableCell())
return AccessibilityRenderObject::roleValue();
return CellRole;
}
void AccessibilityTableCell::rowIndexRange(pair<int, int>& rowRange)
{
if (!m_renderer || !m_renderer->isTableCell())
return;
RenderTableCell* renderCell = toRenderTableCell(m_renderer);
rowRange.first = renderCell->row();
rowRange.second = renderCell->rowSpan();
// since our table might have multiple sections, we have to offset our row appropriately
RenderTableSection* section = renderCell->section();
RenderTable* table = renderCell->table();
if (!table || !section)
return;
RenderTableSection* tableSection = table->header();
if (!tableSection)
tableSection = table->firstBody();
unsigned rowOffset = 0;
while (tableSection) {
if (tableSection == section)
break;
rowOffset += tableSection->numRows();
tableSection = table->sectionBelow(tableSection, true);
}
rowRange.first += rowOffset;
}
void AccessibilityTableCell::columnIndexRange(pair<int, int>& columnRange)
{
if (!m_renderer || !m_renderer->isTableCell())
return;
RenderTableCell* renderCell = toRenderTableCell(m_renderer);
columnRange.first = renderCell->col();
columnRange.second = renderCell->colSpan();
}
AccessibilityObject* AccessibilityTableCell::titleUIElement() const
{
// Try to find if the first cell in this row is a <th>. If it is,
// then it can act as the title ui element. (This is only in the
// case when the table is not appearing as an AXTable.)
if (isTableCell() || !m_renderer || !m_renderer->isTableCell())
return 0;
// Table cells that are th cannot have title ui elements, since by definition
// they are title ui elements
Node* node = m_renderer->node();
if (node && node->hasTagName(thTag))
return 0;
RenderTableCell* renderCell = toRenderTableCell(m_renderer);
// If this cell is in the first column, there is no need to continue.
int col = renderCell->col();
if (!col)
return 0;
int row = renderCell->row();
RenderTableSection* section = renderCell->section();
if (!section)
return 0;
RenderTableCell* headerCell = section->primaryCellAt(row, 0);
if (!headerCell || headerCell == renderCell)
return 0;
Node* cellElement = headerCell->node();
if (!cellElement || !cellElement->hasTagName(thTag))
return 0;
return axObjectCache()->getOrCreate(headerCell);
}
} // namespace WebCore
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