| 1 | /*
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| 2 | *
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| 3 | * Licensed to the Apache Software Foundation (ASF) under one
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| 4 | * or more contributor license agreements. See the NOTICE file
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| 5 | * distributed with this work for additional information
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| 6 | * regarding copyright ownership. The ASF licenses this file
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| 7 | * to you under the Apache License, Version 2.0 (the
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| 8 | * "License"); you may not use this file except in compliance
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| 9 | * with the License. You may obtain a copy of the License at
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| 10 | *
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| 11 | * http://www.apache.org/licenses/LICENSE-2.0
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| 12 | *
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| 13 | * Unless required by applicable law or agreed to in writing,
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| 14 | * software distributed under the License is distributed on an
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| 15 | * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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| 16 | * KIND, either express or implied. See the License for the
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| 17 | * specific language governing permissions and limitations
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| 18 | * under the License.
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| 19 | *
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| 20 | */
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| 21 |
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| 22 | // Platform: browser
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| 23 | window.navigator.notification = window.navigator.notification || {};
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| 24 |
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| 25 | module.exports.alert = window.navigator.notification.alert = function(message, callback) {
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| 26 | // `notification.alert` executes asynchronously
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| 27 | setTimeout(function() {
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| 28 | window.alert(message);
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| 29 | if (callback) {
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| 30 | callback();
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| 31 | }
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| 32 | }, 0);
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| 33 | };
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| 34 |
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| 35 |
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| 36 | module.exports.confirm = window.navigator.notification.confirm = function(message, callback) {
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| 37 | // `notification.confirm` executes asynchronously
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| 38 | setTimeout(function() {
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| 39 | var result = window.confirm(message);
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| 40 | if (callback) {
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| 41 | if (result) {
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| 42 | callback(1); // OK
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| 43 | }
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| 44 | else {
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| 45 | callback(2); // Cancel
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| 46 | }
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| 47 | }
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| 48 | }, 0);
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| 49 | };
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| 50 |
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| 51 |
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| 52 | module.exports.prompt = window.navigator.notification.prompt = function(message, callback, title, buttonLabels, defaultText) {
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| 53 | // `notification.prompt` executes asynchronously
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| 54 | setTimeout(function() {
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| 55 | var result = window.prompt(message, defaultText || '');
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| 56 | if (callback) {
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| 57 | if (result === null) {
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| 58 | callback({ buttonIndex: 2, input1: '' }); // Cancel
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| 59 | }
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| 60 | else {
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| 61 | callback({ buttonIndex: 1, input1: result }); // OK
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| 62 | }
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| 63 | }
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| 64 | }, 0);
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| 65 | };
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| 66 |
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| 67 |
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| 68 | var audioContext = (function() {
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| 69 | // Determine if the Audio API is supported by this browser
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| 70 | var AudioApi = window.AudioContext;
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| 71 | if (!AudioApi) {
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| 72 | AudioApi = window.webkitAudioContext;
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| 73 | }
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| 74 |
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| 75 | if (AudioApi) {
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| 76 | // The Audio API is supported, so create a singleton instance of the AudioContext
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| 77 | return new AudioApi();
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| 78 | }
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| 79 |
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| 80 | return undefined;
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| 81 | }());
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| 82 |
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| 83 | module.exports.beep = window.navigator.notification.beep = function(times) {
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| 84 | if (times > 0) {
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| 85 | var BEEP_DURATION = 700;
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| 86 | var BEEP_INTERVAL = 300;
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| 87 |
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| 88 | if (audioContext) {
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| 89 | // Start a beep, using the Audio API
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| 90 | var osc = audioContext.createOscillator();
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| 91 | osc.type = 0; // sounds like a "beep"
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| 92 | osc.connect(audioContext.destination);
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| 93 | osc.start(0);
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| 94 |
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| 95 | setTimeout(function() {
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| 96 | // Stop the beep after the BEEP_DURATION
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| 97 | osc.stop(0);
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| 98 |
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| 99 | if (--times > 0) {
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| 100 | // Beep again, after a pause
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| 101 | setTimeout(function() {
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| 102 | navigator.notification.beep(times);
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| 103 | }, BEEP_INTERVAL);
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| 104 | }
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| 105 |
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| 106 | }, BEEP_DURATION);
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| 107 | }
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| 108 | else if (typeof(console) !== 'undefined' && typeof(console.log) === 'function') {
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| 109 | // Audio API isn't supported, so just write `beep` to the console
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| 110 | for (var i = 0; i < times; i++) {
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| 111 | console.log('Beep!');
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| 112 | }
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| 113 | }
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| 114 | }
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| 115 | };
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