/* * Copyright (C) 2009 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 "core/accessibility/AXARIAGridCell.h" #include "core/accessibility/AXTable.h" #include "core/accessibility/AXTableRow.h" namespace WebCore { AXARIAGridCell::AXARIAGridCell(RenderObject* renderer) : AXTableCell(renderer) { } AXARIAGridCell::~AXARIAGridCell() { } PassRefPtr<AXARIAGridCell> AXARIAGridCell::create(RenderObject* renderer) { return adoptRef(new AXARIAGridCell(renderer)); } AXObject* AXARIAGridCell::parentTable() const { AXObject* parent = parentObjectUnignored(); if (!parent) return 0; if (parent->isAXTable()) return parent; // It could happen that we hadn't reached the parent table yet (in // case objects for rows were not ignoring accessibility) so for // that reason we need to run parentObjectUnignored once again. parent = parent->parentObjectUnignored(); if (!parent || !parent->isAXTable()) return 0; return parent; } void AXARIAGridCell::rowIndexRange(pair<unsigned, unsigned>& rowRange) { AXObject* parent = parentObjectUnignored(); if (!parent) return; if (parent->isTableRow()) { // We already got a table row, use its API. rowRange.first = toAXTableRow(parent)->rowIndex(); } else if (parent->isAXTable()) { // We reached the parent table, so we need to inspect its // children to determine the row index for the cell in it. unsigned columnCount = toAXTable(parent)->columnCount(); if (!columnCount) return; AccessibilityChildrenVector siblings = parent->children(); unsigned childrenSize = siblings.size(); for (unsigned k = 0; k < childrenSize; ++k) { if (siblings[k].get() == this) { rowRange.first = k / columnCount; break; } } } // as far as I can tell, grid cells cannot span rows rowRange.second = 1; } void AXARIAGridCell::columnIndexRange(pair<unsigned, unsigned>& columnRange) { AXObject* parent = parentObjectUnignored(); if (!parent) return; if (!parent->isTableRow() && !parent->isAXTable()) return; AccessibilityChildrenVector siblings = parent->children(); unsigned childrenSize = siblings.size(); for (unsigned k = 0; k < childrenSize; ++k) { if (siblings[k].get() == this) { columnRange.first = k; break; } } // as far as I can tell, grid cells cannot span columns columnRange.second = 1; } } // namespace WebCore