accessible/src/base/Filters.cpp

changeset 0
6474c204b198
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/accessible/src/base/Filters.cpp	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,60 @@
     1.4 +/* This Source Code Form is subject to the terms of the Mozilla Public
     1.5 + * License, v. 2.0. If a copy of the MPL was not distributed with this
     1.6 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
     1.7 +
     1.8 +#include "Filters.h"
     1.9 +
    1.10 +#include "Accessible-inl.h"
    1.11 +#include "nsAccUtils.h"
    1.12 +#include "Role.h"
    1.13 +#include "States.h"
    1.14 +
    1.15 +using namespace mozilla::a11y;
    1.16 +using namespace mozilla::a11y::filters;
    1.17 +
    1.18 +uint32_t
    1.19 +filters::GetSelected(Accessible* aAccessible)
    1.20 +{
    1.21 +  if (aAccessible->State() & states::SELECTED)
    1.22 +    return eMatch | eSkipSubtree;
    1.23 +
    1.24 +  return eSkip;
    1.25 +}
    1.26 +
    1.27 +uint32_t
    1.28 +filters::GetSelectable(Accessible* aAccessible)
    1.29 +{
    1.30 +  if (aAccessible->InteractiveState() & states::SELECTABLE)
    1.31 +    return eMatch | eSkipSubtree;
    1.32 +
    1.33 +  return eSkip;
    1.34 +}
    1.35 +
    1.36 +uint32_t
    1.37 +filters::GetRow(Accessible* aAccessible)
    1.38 +{
    1.39 +  a11y::role role = aAccessible->Role();
    1.40 +  if (role == roles::ROW)
    1.41 +    return eMatch | eSkipSubtree;
    1.42 +
    1.43 +  // Look for rows inside rowgroup.
    1.44 +  if (role == roles::GROUPING)
    1.45 +    return eSkip;
    1.46 +
    1.47 +  return eSkipSubtree;
    1.48 +}
    1.49 +
    1.50 +uint32_t
    1.51 +filters::GetCell(Accessible* aAccessible)
    1.52 +{
    1.53 +  a11y::role role = aAccessible->Role();
    1.54 +  return role == roles::GRID_CELL || role == roles::ROWHEADER ||
    1.55 +    role == roles::COLUMNHEADER ? eMatch : eSkipSubtree;
    1.56 +}
    1.57 +
    1.58 +uint32_t
    1.59 +filters::GetEmbeddedObject(Accessible* aAccessible)
    1.60 +{
    1.61 +  return nsAccUtils::IsEmbeddedObject(aAccessible) ?
    1.62 +    eMatch | eSkipSubtree : eSkipSubtree;
    1.63 +}

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