gecko-dev/accessible/base/Filters.cpp

62 строки
1.4 KiB
C++

/* 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)
{
a11y::role role = aAccessible->Role();
return role == roles::CELL || role == roles::GRID_CELL ||
role == roles::ROWHEADER || role == roles::COLUMNHEADER ?
eMatch : eSkipSubtree;
}
uint32_t
filters::GetEmbeddedObject(Accessible* aAccessible)
{
return nsAccUtils::IsEmbeddedObject(aAccessible) ?
eMatch | eSkipSubtree : eSkipSubtree;
}