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// 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.
/**
* @fileoverview Defines a Braille interface.
*
* All Braille engines in ChromeVox conform to this interface.
*
*/
goog.provide('cvox.BrailleInterface');
goog.require('cvox.BrailleKeyCommand');
goog.require('cvox.BrailleKeyEvent');
goog.require('cvox.NavBraille');
/**
* @interface
*/
cvox.BrailleInterface = function() { };
/**
* Sends the given params to the Braille display for output.
* @param {!cvox.NavBraille} params Parameters to send to the
* platform braille service.
*/
cvox.BrailleInterface.prototype.write =
function(params) { };
/**
* Sets a callback for handling braille keyboard commands.
*
* @param {function(!cvox.BrailleKeyEvent, cvox.NavBraille)} func The function
* to be called when the user invokes a keyboard command on the braille
* display. The first parameter is the key event. The second parameter is
* the content that was present on the display when the key command
* was invoked, if available.
*/
cvox.BrailleInterface.prototype.setCommandListener =
function(func) { };
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