chrome/browser/resources/chromeos/chromevox/host/interface/host_factory.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 /**
   7  * @fileoverview A host factory.  This factory allows us to decouple the
   8  * cvox.Host|Tts|... creatation from the main ChromeVox code.
   9  */
  10
  11 goog.provide('cvox.HostFactory');
  12
  13 goog.require('cvox.AbstractEarcons');
  14 goog.require('cvox.AbstractHost');
  15 goog.require('cvox.AbstractMathJax');
  16 goog.require('cvox.AbstractTts');
  17
  18
  19 /**
  20  * @constructor
  21  */
  22 cvox.HostFactory = function() {};
  23
  24 /**
  25  * Returns the host.
  26  * @return {cvox.AbstractHost}
  27  */
  28 cvox.HostFactory.getHost = function() {
  29   return new cvox.HostFactory.hostConstructor;
  30 };
  31
  32 /**
  33  * Returns the TTS interface.
  34  * @return {cvox.TtsInterface} The TTS engine.
  35  */
  36 cvox.HostFactory.getTts = function() {
  37   return new cvox.HostFactory.ttsConstructor;
  38 };
  39
  40 /**
  41  * Returns the Braille interface.
  42  * @return {cvox.BrailleInterface} The Braille interface.
  43  */
  44 cvox.HostFactory.getBraille = function() {
  45   return new cvox.HostFactory.brailleConstructor;
  46 };
  47
  48 /**
  49  * Returns the earcons interface.
  50  * @return {cvox.AbstractEarcons}
  51  */
  52 cvox.HostFactory.getEarcons = function() {
  53   return new cvox.HostFactory.earconsConstructor;
  54 };
  55
  56 /**
  57  * Returns the MathJax interface.
  58  * @return {cvox.MathJaxInterface} The MathJax interface.
  59  */
  60 cvox.HostFactory.getMathJax = function() {
  61   return new cvox.HostFactory.mathJaxConstructor;
  62 };
  63
  64 /**
  65  * @type {function (new:cvox.AbstractHost)}
  66  */
  67 cvox.HostFactory.hostConstructor;
  68
  69 /**
  70  * @type {function (new:cvox.TtsInterface)}
  71  */
  72 cvox.HostFactory.ttsConstructor;
  73
  74 /**
  75  * @type {function (new:cvox.BrailleInterface)}
  76  */
  77 cvox.HostFactory.brailleConstructor;
  78
  79 /**
  80  * @type {function (new:cvox.AbstractEarcons)}
  81  */
  82 cvox.HostFactory.earconsConstructor;
  83
  84
  85 /**
  86  * @type {function (new:cvox.AbstractMathJax)}
  87  */
  88 cvox.HostFactory.mathJaxConstructor;