The Tor Browser / file comparison
comparison: accessible/src/base/Filters.h
accessible/src/base/Filters.h
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| 1 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 2 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 3 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 4 | |
| 5 #ifndef mozilla_a11y_Filters_h__ | |
| 6 #define mozilla_a11y_Filters_h__ | |
| 7 | |
| 8 #include <stdint.h> | |
| 9 | |
| 10 /** | |
| 11 * Predefined filters used for nsAccIterator and nsAccCollector. | |
| 12 */ | |
| 13 namespace mozilla { | |
| 14 namespace a11y { | |
| 15 | |
| 16 class Accessible; | |
| 17 | |
| 18 namespace filters { | |
| 19 | |
| 20 enum EResult { | |
| 21 eSkip = 0, | |
| 22 eMatch = 1, | |
| 23 eSkipSubtree = 2 | |
| 24 }; | |
| 25 | |
| 26 /** | |
| 27 * Return true if the traversed accessible complies with filter. | |
| 28 */ | |
| 29 typedef uint32_t (*FilterFuncPtr) (Accessible*); | |
| 30 | |
| 31 /** | |
| 32 * Matches selected/selectable accessibles in subtree. | |
| 33 */ | |
| 34 uint32_t GetSelected(Accessible* aAccessible); | |
| 35 uint32_t GetSelectable(Accessible* aAccessible); | |
| 36 | |
| 37 /** | |
| 38 * Matches row accessibles in subtree. | |
| 39 */ | |
| 40 uint32_t GetRow(Accessible* aAccessible); | |
| 41 | |
| 42 /** | |
| 43 * Matches cell accessibles in children. | |
| 44 */ | |
| 45 uint32_t GetCell(Accessible* aAccessible); | |
| 46 | |
| 47 /** | |
| 48 * Matches embedded objects in children. | |
| 49 */ | |
| 50 uint32_t GetEmbeddedObject(Accessible* aAccessible); | |
| 51 | |
| 52 } // namespace filters | |
| 53 } // namespace a11y | |
| 54 } // namespace mozilla | |
| 55 | |
| 56 #endif |
