accessible/base/Filters.cpp

   1 /* This Source Code Form is subject to the terms of the Mozilla Public
   2  * License, v. 2.0. If a copy of the MPL was not distributed with this
   3  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   4
   5 #include "Filters.h"
   6
   7 #include "Accessible-inl.h"
   8 #include "nsAccUtils.h"
   9 #include "Role.h"
  10 #include "States.h"
  11
  12 using namespace mozilla::a11y;
  13 using namespace mozilla::a11y::filters;
  14
  15 uint32_t filters::GetSelected(Accessible* aAccessible) {
  16   if (aAccessible->State() & states::SELECTED) return eMatch | eSkipSubtree;
  17
  18   return eSkip;
  19 }
  20
  21 uint32_t filters::GetSelectable(Accessible* aAccessible) {
  22   if (aAccessible->InteractiveState() & states::SELECTABLE)
  23     return eMatch | eSkipSubtree;
  24
  25   return eSkip;
  26 }
  27
  28 uint32_t filters::GetRow(Accessible* aAccessible) {
  29   if (aAccessible->IsTableRow()) return eMatch | eSkipSubtree;
  30
  31   // Look for rows inside rowgroup.
  32   a11y::role role = aAccessible->Role();
  33   if (role == roles::GROUPING) return eSkip;
  34
  35   return eSkipSubtree;
  36 }
  37
  38 uint32_t filters::GetCell(Accessible* aAccessible) {
  39   return aAccessible->IsTableCell() ? eMatch : eSkipSubtree;
  40 }