1 files changed, 58 insertions, 0 deletions
diff --git a/accessible/android/TraversalRule.h b/accessible/android/TraversalRule.h
new file mode 100644
index 0000000000..27b2b2f5fb
--- /dev/null
+++ b/accessible/android/TraversalRule.h
@@ -0,0 +1,58 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=2 et sw=2 tw=80: */
+/* 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 _TraversalRule_H_
+#define _TraversalRule_H_
+
+#include "Pivot.h"
+
+namespace mozilla {
+namespace a11y {
+
+class Accessible;
+
+/**
+ * Class represents a simple traversal rule.
+ */
+class TraversalRule : public PivotRule {
+ public:
+  TraversalRule();
+  explicit TraversalRule(int32_t aGranularity, bool aIsLocal);
+
+  ~TraversalRule() = default;
+
+  virtual uint16_t Match(Accessible* aAcc) override;
+
+ private:
+  bool IsSingleLineage(Accessible* aAccessible);
+
+  bool IsFlatSubtree(const Accessible* aAccessible);
+
+  bool IsListItemBullet(const Accessible* aAccessible);
+
+  bool HasName(const Accessible* aAccessible);
+
+  uint16_t DefaultMatch(Accessible* aAccessible);
+
+  uint16_t LinkMatch(Accessible* aAccessible);
+
+  uint16_t HeadingMatch(Accessible* aAccessible);
+
+  uint16_t ControlMatch(Accessible* aAccessible);
+
+  uint16_t SectionMatch(Accessible* aAccessible);
+
+  uint16_t LandmarkMatch(Accessible* aAccessible);
+
+  int32_t mGranularity;
+
+  bool mIsLocal;
+};
+
+}  // namespace a11y
+}  // namespace mozilla
+
+#endif