mojo/services/accessibility/public/interfaces/accessibility.mojom

// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

module mojo;

import "mojo/services/geometry/public/interfaces/geometry.mojom";

interface AxProvider {
  GetTree() => (array<AxNode> nodes);
};

struct AxNode {
  // Must be non-zero.
  uint32 id;

  // Can be zero if the node has no parent or next sibling.
  uint32 parent_id;
  uint32 next_sibling_id;

  mojo.Rect bounds;

  // At most one of the below will be present.
  // TODO(aa): These should become a union.
  AxLink? link;
  AxText? text;
};

struct AxLink {
  string url;
};

struct AxText {
  string content;
};