/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

  1. /*
  2. * Copyright (C) 2009 Apple Inc. All rights reserved.
  3. *
  4. * Redistribution and use in source and binary forms, with or without
  5. * modification, are permitted provided that the following conditions
  6. * are met:
  7. *
  8. * 1. Redistributions of source code must retain the above copyright
  9. * notice, this list of conditions and the following disclaimer.
  10. * 2. Redistributions in binary form must reproduce the above copyright
  11. * notice, this list of conditions and the following disclaimer in the
  12. * documentation and/or other materials provided with the distribution.
  13. * 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of
  14. * its contributors may be used to endorse or promote products derived
  15. * from this software without specific prior written permission.
  16. *
  17. * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
  18. * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
  19. * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  20. * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
  21. * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
  22. * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  23. * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
  24. * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  25. * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  26. * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  27. */
  28. #include "config.h"
  29. #include "AccessibilityARIAGridCell.h"
  30. #include "AccessibilityObject.h"
  31. #include "AccessibilityTableRow.h"
  32. using namespace std;
  33. namespace WebCore {
  34. AccessibilityARIAGridCell::AccessibilityARIAGridCell(RenderObject* renderer)
  35. : AccessibilityTableCell(renderer)
  36. {
  37. }
  38. AccessibilityARIAGridCell::~AccessibilityARIAGridCell()
  39. {
  40. }
  41. PassRefPtr<AccessibilityARIAGridCell> AccessibilityARIAGridCell::create(RenderObject* renderer)
  42. {
  43. return adoptRef(new AccessibilityARIAGridCell(renderer));
  44. }
  45. AccessibilityObject* AccessibilityARIAGridCell::parentTable() const
  46. {
  47. AccessibilityObject* parent = parentObjectUnignored();
  48. if (!parent || !parent->isTableRow())
  49. return 0;
  50. parent = parent->parentObjectUnignored();
  51. if (!parent || !parent->isDataTable())
  52. return 0;
  53. return parent;
  54. }
  55. void AccessibilityARIAGridCell::rowIndexRange(pair<int, int>& rowRange)
  56. {
  57. AccessibilityObject* parent = parentObjectUnignored();
  58. if (!parent || !parent->isTableRow())
  59. return;
  60. // as far as I can tell, grid cells cannot span rows
  61. rowRange.first = static_cast<AccessibilityTableRow*>(parent)->rowIndex();
  62. rowRange.second = 1;
  63. }
  64. void AccessibilityARIAGridCell::columnIndexRange(pair<int, int>& columnRange)
  65. {
  66. AccessibilityObject* parent = parentObjectUnignored();
  67. if (!parent || !parent->isTableRow())
  68. return;
  69. AccessibilityChildrenVector siblings = parent->children();
  70. unsigned childrenSize = siblings.size();
  71. for (unsigned k = 0; k < childrenSize; ++k) {
  72. if (siblings[k].get() == this) {
  73. columnRange.first = k;
  74. break;
  75. }
  76. }
  77. // as far as I can tell, grid cells cannot span columns
  78. columnRange.second = 1;
  79. }
  80. } // namespace WebCore