AccessibilityControllerAtk.cpp 3.4 KB

123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117
  1. /*
  2. * Copyright (C) 2008, 2009, 2010 Apple Inc. All Rights Reserved.
  3. * Copyright (C) 2009 Jan Michael Alonzo
  4. *
  5. * Redistribution and use in source and binary forms, with or without
  6. * modification, are permitted provided that the following conditions
  7. * are met:
  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. *
  14. * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
  15. * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  16. * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  17. * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
  18. * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  19. * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  20. * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
  21. * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
  22. * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  23. * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  24. * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  25. */
  26. #include "config.h"
  27. #include "AccessibilityController.h"
  28. #if HAVE(ACCESSIBILITY)
  29. #include "AccessibilityCallbacks.h"
  30. #include "AccessibilityUIElement.h"
  31. #include "DumpRenderTree.h"
  32. #include <atk/atk.h>
  33. static bool loggingAccessibilityEvents = false;
  34. AccessibilityController::AccessibilityController()
  35. {
  36. }
  37. AccessibilityController::~AccessibilityController()
  38. {
  39. }
  40. AccessibilityUIElement AccessibilityController::elementAtPoint(int x, int y)
  41. {
  42. // FIXME: implement
  43. return 0;
  44. }
  45. void AccessibilityController::setLogFocusEvents(bool)
  46. {
  47. }
  48. void AccessibilityController::setLogScrollingStartEvents(bool)
  49. {
  50. }
  51. void AccessibilityController::setLogValueChangeEvents(bool)
  52. {
  53. }
  54. void AccessibilityController::setLogAccessibilityEvents(bool logAccessibilityEvents)
  55. {
  56. if (logAccessibilityEvents == loggingAccessibilityEvents)
  57. return;
  58. if (!logAccessibilityEvents) {
  59. disconnectAccessibilityCallbacks();
  60. loggingAccessibilityEvents = false;
  61. return;
  62. }
  63. connectAccessibilityCallbacks();
  64. loggingAccessibilityEvents = true;
  65. }
  66. bool AccessibilityController::addNotificationListener(JSObjectRef)
  67. {
  68. return false;
  69. }
  70. void AccessibilityController::removeNotificationListener()
  71. {
  72. }
  73. AtkObject* AccessibilityController::childElementById(AtkObject* parent, const char* id)
  74. {
  75. if (!ATK_IS_OBJECT(parent))
  76. return 0;
  77. AtkAttributeSet* attributeSet = atk_object_get_attributes(parent);
  78. for (GSList* attributes = attributeSet; attributes; attributes = attributes->next) {
  79. AtkAttribute* attribute = static_cast<AtkAttribute*>(attributes->data);
  80. if (!strcmp(attribute->name, "html-id")) {
  81. if (!strcmp(attribute->value, id))
  82. return parent;
  83. break;
  84. }
  85. }
  86. int childCount = atk_object_get_n_accessible_children(parent);
  87. for (int i = 0; i < childCount; i++) {
  88. AtkObject* result = childElementById(atk_object_ref_accessible_child(parent, i), id);
  89. if (ATK_IS_OBJECT(result))
  90. return result;
  91. }
  92. return 0;
  93. }
  94. #endif