accessible/base/Filters.cpp
author Alexander Surkov <surkov.alexander@gmail.com>
Thu, 13 Aug 2015 08:43:26 -0400
changeset 290176 08caf7dd050274fcd091f5d9bef5ab2e2c031c68
parent 281031 a4bcc7ee6e5c0582ec95b5caf34ecb46dcf37bda
child 330309 d0c6dd45e0cfcb641746485511767fea770e8459
permissions -rw-r--r--
Bug 1193786 - crash in mozilla::dom::Element::FindAttrValueIn, r=marcoz

/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#include "Filters.h"

#include "Accessible-inl.h"
#include "nsAccUtils.h"
#include "Role.h"
#include "States.h"

using namespace mozilla::a11y;
using namespace mozilla::a11y::filters;

uint32_t
filters::GetSelected(Accessible* aAccessible)
{
  if (aAccessible->State() & states::SELECTED)
    return eMatch | eSkipSubtree;

  return eSkip;
}

uint32_t
filters::GetSelectable(Accessible* aAccessible)
{
  if (aAccessible->InteractiveState() & states::SELECTABLE)
    return eMatch | eSkipSubtree;

  return eSkip;
}

uint32_t
filters::GetRow(Accessible* aAccessible)
{
  a11y::role role = aAccessible->Role();
  if (role == roles::ROW)
    return eMatch | eSkipSubtree;

  // Look for rows inside rowgroup.
  if (role == roles::GROUPING)
    return eSkip;

  return eSkipSubtree;
}

uint32_t
filters::GetCell(Accessible* aAccessible)
{
  return aAccessible->IsTableCell() ? eMatch : eSkipSubtree;
}

uint32_t
filters::GetEmbeddedObject(Accessible* aAccessible)
{
  return nsAccUtils::IsEmbeddedObject(aAccessible) ?
    eMatch | eSkipSubtree : eSkipSubtree;
}