gecko-dev/accessible/base/Filters.cpp

46 строки
1.3 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 "LocalAccessible-inl.h"
#include "nsAccUtils.h"
#include "Role.h"
#include "States.h"
using namespace mozilla::a11y;
using namespace mozilla::a11y::filters;
uint32_t filters::GetSelected(LocalAccessible* aAccessible) {
if (aAccessible->State() & states::SELECTED) return eMatch | eSkipSubtree;
return eSkip;
}
uint32_t filters::GetSelectable(LocalAccessible* aAccessible) {
if (aAccessible->InteractiveState() & states::SELECTABLE) {
return eMatch | eSkipSubtree;
}
return eSkip;
}
uint32_t filters::GetRow(LocalAccessible* aAccessible) {
if (aAccessible->IsTableRow()) return eMatch | eSkipSubtree;
// Look for rows inside rowgroup or wrapping text containers.
a11y::role role = aAccessible->Role();
const nsRoleMapEntry* roleMapEntry = aAccessible->ARIARoleMap();
if (role == roles::GROUPING ||
(aAccessible->IsGenericHyperText() && !roleMapEntry)) {
return eSkip;
}
return eSkipSubtree;
}
uint32_t filters::GetCell(LocalAccessible* aAccessible) {
return aAccessible->IsTableCell() ? eMatch : eSkipSubtree;
}