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Diffstat (limited to 'accessible/base/Filters.h')
-rw-r--r-- | accessible/base/Filters.h | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/accessible/base/Filters.h b/accessible/base/Filters.h new file mode 100644 index 000000000..8ff2bc558 --- /dev/null +++ b/accessible/base/Filters.h @@ -0,0 +1,50 @@ +/* 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 |