chrome/browser/resources/chromeos/chromevox/speech_rules/speech_rule_evaluator.js

   1 // Copyright 2014 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 /**
   6  * @fileoverview Interface definition for a class which evaluates speech rules.
   7  *
   8  * A speech rule evaluator knows how to generate a description given a node and
   9  * a speech rule.
  10  */
  11
  12 goog.provide('cvox.SpeechRuleEvaluator');
  13
  14 goog.require('cvox.SpeechRule');
  15
  16
  17 /**
  18  * @interface
  19  */
  20 cvox.SpeechRuleEvaluator = goog.abstractMethod;
  21
  22
  23 /**
  24  * Default evaluation of a node if no speech rule is applicable.
  25  * @param {!Node} node The target node (or root of subtree).
  26  * @return {!Array<cvox.NavDescription>} The resulting description.
  27  */
  28 cvox.SpeechRuleEvaluator.prototype.evaluateDefault = goog.abstractMethod;