/platform/external/webkit/WebCore/accessibility/AccessibilityARIAGridCell.cpp
https://github.com/aharish/totoro-gb-opensource-update2 · C++ · 96 lines · 51 code · 16 blank · 29 comment · 11 complexity · 235800434e6c1e9f56c35a15d28bf27a MD5 · raw file
- /*
- * 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 "AccessibilityARIAGridCell.h"
- #include "AccessibilityObject.h"
- #include "AccessibilityTableRow.h"
- using namespace std;
- namespace WebCore {
-
- AccessibilityARIAGridCell::AccessibilityARIAGridCell(RenderObject* renderer)
- : AccessibilityTableCell(renderer)
- {
- }
- AccessibilityARIAGridCell::~AccessibilityARIAGridCell()
- {
- }
- PassRefPtr<AccessibilityARIAGridCell> AccessibilityARIAGridCell::create(RenderObject* renderer)
- {
- return adoptRef(new AccessibilityARIAGridCell(renderer));
- }
- AccessibilityObject* AccessibilityARIAGridCell::parentTable() const
- {
- AccessibilityObject* parent = parentObjectUnignored();
- if (!parent || !parent->isTableRow())
- return 0;
-
- parent = parent->parentObjectUnignored();
- if (!parent || !parent->isDataTable())
- return 0;
-
- return parent;
- }
-
- void AccessibilityARIAGridCell::rowIndexRange(pair<int, int>& rowRange)
- {
- AccessibilityObject* parent = parentObjectUnignored();
- if (!parent || !parent->isTableRow())
- return;
- // as far as I can tell, grid cells cannot span rows
- rowRange.first = static_cast<AccessibilityTableRow*>(parent)->rowIndex();
- rowRange.second = 1;
- }
- void AccessibilityARIAGridCell::columnIndexRange(pair<int, int>& columnRange)
- {
- AccessibilityObject* parent = parentObjectUnignored();
- if (!parent || !parent->isTableRow())
- 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