chrome/common/extensions/api/accessibility_features.json

// 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.

[
  {
    "namespace": "accessibilityFeatures",
    "platforms": ["chromeos"],
    "description": "Use the <code>chrome.accessibilityFeatures</code> API to manage Chrome's accessibility features. This API relies on the <a href='types#ChromeSetting'>ChromeSetting prototype of the type API</a> for getting and setting individual accessibility features. In order to get feature states the extension must request <code>accessibilityFeatures.read</code> permission. For modifying feature state, the extension needs <code>accessibilityFeatures.modify</code> permission. Note that <code>accessibilityFeatures.modify</code> does not imply <code>accessibilityFeatures.read</code> permission.",
    "properties": {
      "spokenFeedback": {
        "$ref": "types.ChromeSetting",
        "description": "Spoken feedback (text-to-speech). The value indicates whether the feature is enabled or not. <code>get()</code> requires <code>accessibilityFeatures.read</code> permission. <code>set()</code> and <code>clear()</code> require <code>accessibilityFeatures.modify</code> permission.",
        "value": ["spokenFeedback", {"type": "boolean"}]
      },
      "largeCursor": {
        "$ref": "types.ChromeSetting",
        "description": "Enlarged cursor. The value indicates whether the feature is enabled or not. <code>get()</code> requires <code>accessibilityFeatures.read</code> permission. <code>set()</code> and <code>clear()</code> require <code>accessibilityFeatures.modify</code> permission.",
        "value": ["largeCursor", {"type": "boolean"}]
      },
      "stickyKeys": {
        "$ref": "types.ChromeSetting",
        "description": "Sticky modifier keys (like shift or alt). The value indicates whether the feature is enabled or not. <code>get()</code> requires <code>accessibilityFeatures.read</code> permission. <code>set()</code> and <code>clear()</code> require <code>accessibilityFeatures.modify</code> permission.",
        "value": ["stickyKeys", {"type": "boolean"}]
      },
      "highContrast": {
        "$ref": "types.ChromeSetting",
        "description": "High contrast rendering mode. The value indicates whether the feature is enabled or not. <code>get()</code> requires <code>accessibilityFeatures.read</code> permission. <code>set()</code> and <code>clear()</code> require <code>accessibilityFeatures.modify</code> permission.",
        "value": ["highContrast", {"type": "boolean"}]
      },
      "screenMagnifier": {
        "$ref": "types.ChromeSetting",
        "description": "Full screen magnification. The value indicates whether the feature is enabled or not. <code>get()</code> requires <code>accessibilityFeatures.read</code> permission. <code>set()</code> and <code>clear()</code> require <code>accessibilityFeatures.modify</code> permission.",
        "value": ["screenMagnifier", {"type": "boolean"}]
      },
      "autoclick": {
        "$ref": "types.ChromeSetting",
        "description":"Auto mouse click after mouse stops moving. The value indicates whether the feature is enabled or not. <code>get()</code> requires <code>accessibilityFeatures.read</code> permission. <code>set()</code> and <code>clear()</code> require <code>accessibilityFeatures.modify</code> permission.",
        "value": ["autoclick", {"type": "boolean"}]
      },
      "virtualKeyboard": {
        "$ref": "types.ChromeSetting",
        "description": "Virtual on-screen keyboard. The value indicates whether the feature is enabled or not. <code>get()</code> requires <code>accessibilityFeatures.read</code> permission. <code>set()</code> and <code>clear()</code> require <code>accessibilityFeatures.modify</code> permission.",
        "value": ["virtualKeyboard", {"type": "boolean"}]
      }
    }
  }
]