1/* 2 * Copyright (C) 2012 Google Inc. 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); you may not 5 * use this file except in compliance with the License. You may obtain a copy of 6 * the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT 12 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the 13 * License for the specific language governing permissions and limitations under 14 * the License. 15 */ 16 17package com.googlecode.eyesfree.braille.display; 18 19import com.googlecode.eyesfree.braille.display.BrailleDisplayProperties; 20import com.googlecode.eyesfree.braille.display.BrailleInputEvent; 21 22/** 23 * Callback interface that a braille display client can expose to 24 * get information about various braille display events. 25 */ 26interface IBrailleServiceCallback { 27 void onDisplayConnected(in BrailleDisplayProperties displayProperties); 28 void onDisplayDisconnected(); 29 void onInput(in BrailleInputEvent inputEvent); 30} 31