57 lines
1.1 KiB
C++
57 lines
1.1 KiB
C++
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef mozilla_a11y_Filters_h__
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#define mozilla_a11y_Filters_h__
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#include <stdint.h>
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/**
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* Predefined filters used for nsAccIterator and nsAccCollector.
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*/
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namespace mozilla {
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namespace a11y {
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class Accessible;
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namespace filters {
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enum EResult {
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eSkip = 0,
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eMatch = 1,
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eSkipSubtree = 2
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};
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/**
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* Return true if the traversed accessible complies with filter.
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*/
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typedef uint32_t (*FilterFuncPtr) (Accessible*);
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/**
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* Matches selected/selectable accessibles in subtree.
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*/
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uint32_t GetSelected(Accessible* aAccessible);
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uint32_t GetSelectable(Accessible* aAccessible);
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/**
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* Matches row accessibles in subtree.
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*/
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uint32_t GetRow(Accessible* aAccessible);
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/**
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* Matches cell accessibles in children.
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*/
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uint32_t GetCell(Accessible* aAccessible);
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/**
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* Matches embedded objects in children.
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*/
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uint32_t GetEmbeddedObject(Accessible* aAccessible);
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} // namespace filters
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} // namespace a11y
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} // namespace mozilla
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#endif
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