TraversalRule.h (1344B)
1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ 2 /* vim: set ts=2 et sw=2 tw=80: */ 3 /* This Source Code Form is subject to the terms of the Mozilla Public 4 * License, v. 2.0. If a copy of the MPL was not distributed with this 5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ 6 7 #ifndef _TraversalRule_H_ 8 #define _TraversalRule_H_ 9 10 #include "Pivot.h" 11 12 namespace mozilla { 13 namespace a11y { 14 15 class Accessible; 16 17 /** 18 * Class represents a simple traversal rule. 19 */ 20 class TraversalRule : public PivotRule { 21 public: 22 TraversalRule(); 23 explicit TraversalRule(int32_t aGranularity, bool aIsLocal); 24 25 ~TraversalRule() = default; 26 27 virtual uint16_t Match(Accessible* aAcc) override; 28 29 private: 30 bool IsSingleLineage(Accessible* aAccessible); 31 32 bool IsFlatSubtree(const Accessible* aAccessible); 33 34 bool IsListItemBullet(const Accessible* aAccessible); 35 36 bool HasName(const Accessible* aAccessible); 37 38 uint16_t DefaultMatch(Accessible* aAccessible); 39 40 uint16_t LinkMatch(Accessible* aAccessible); 41 42 uint16_t HeadingMatch(Accessible* aAccessible); 43 44 uint16_t ControlMatch(Accessible* aAccessible); 45 46 uint16_t SectionMatch(Accessible* aAccessible); 47 48 uint16_t LandmarkMatch(Accessible* aAccessible); 49 50 int32_t mGranularity; 51 52 bool mIsLocal; 53 }; 54 55 } // namespace a11y 56 } // namespace mozilla 57 58 #endif