15821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Copyright (c) 2012 The Chromium Authors. All rights reserved. 25821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Use of this source code is governed by a BSD-style license that can be 35821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// found in the LICENSE file. 45821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 55821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Called by the common.js module. 65821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)function attachListeners() { 75821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) document.getElementById('playButton').addEventListener('click', playSound); 85821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) document.getElementById('stopButton').addEventListener('click', stopSound); 95821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) document.getElementById('frequencyField').addEventListener('change', 105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) changeFrequency); 115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Called by the common.js module. 145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)function moduleDidLoad() { 155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // The module is not hidden by default so we can easily see if the plugin 165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // failed to load. 175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) common.hideModule(); 185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)function getFrequencyElement() { 215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return document.getElementById('frequencyField'); 225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)function playSound() { 255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) common.naclModule.postMessage('setFrequency:' + getFrequencyElement().value); 265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) common.naclModule.postMessage('playSound'); 275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)function stopSound() { 305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) common.naclModule.postMessage('stopSound'); 315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)function changeFrequency() { 345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) common.naclModule.postMessage('setFrequency:' + getFrequencyElement().value); 355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Called by the common.js module. 385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)function handleMessage(e) { 395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) getFrequencyElement().value = message_event.data; 405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 41