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/* 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/. */
#ifndef mozilla_a11y_Filters_h__
#define mozilla_a11y_Filters_h__
#include <stdint.h>
/**
* Predefined filters used for nsAccIterator and nsAccCollector.
*/
namespace mozilla {
namespace a11y {
class Accessible;
namespace filters {
enum EResult { eSkip = 0, eMatch = 1, eSkipSubtree = 2 };
/**
* Return true if the traversed accessible complies with filter.
*/
typedef uint32_t (*FilterFuncPtr)(Accessible*);
/**
* Matches selected/selectable accessibles in subtree.
*/
uint32_t GetSelected(Accessible* aAccessible);
uint32_t GetSelectable(Accessible* aAccessible);
/**
* Matches row accessibles in subtree.
*/
uint32_t GetRow(Accessible* aAccessible);
/**
* Matches cell accessibles in children.
*/
uint32_t GetCell(Accessible* aAccessible);
} // namespace filters
} // namespace a11y
} // namespace mozilla
#endif
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