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/*
*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*
*/
// Platform: browser
window.navigator.notification = window.navigator.notification || {};
module.exports.alert = window.navigator.notification.alert = function(message, callback) {
// `notification.alert` executes asynchronously
setTimeout(function() {
window.alert(message);
if (callback) {
callback();
}
}, 0);
};
module.exports.confirm = window.navigator.notification.confirm = function(message, callback) {
// `notification.confirm` executes asynchronously
setTimeout(function() {
var result = window.confirm(message);
if (callback) {
if (result) {
callback(1); // OK
}
else {
callback(2); // Cancel
}
}
}, 0);
};
module.exports.prompt = window.navigator.notification.prompt = function(message, callback, title, buttonLabels, defaultText) {
// `notification.prompt` executes asynchronously
setTimeout(function() {
var result = window.prompt(message, defaultText || '');
if (callback) {
if (result === null) {
callback({ buttonIndex: 2, input1: '' }); // Cancel
}
else {
callback({ buttonIndex: 1, input1: result }); // OK
}
}
}, 0);
};
module.exports.beep = window.navigator.notification.beep = function(times) {
if (times > 0) {
var BEEP_DURATION = 700;
var BEEP_INTERVAL = 300;
if (audioContext) {
// Start a beep, using the Audio API
var osc = audioContext.createOscillator();
osc.type = 0; // sounds like a "beep"
osc.connect(audioContext.destination);
osc.start(0);
setTimeout(function() {
// Stop the beep after the BEEP_DURATION
osc.stop(0);
if (--times > 0) {
// Beep again, after a pause
setTimeout(function() {
navigator.notification.beep(times);
}, BEEP_INTERVAL);
}
}, BEEP_DURATION);
}
else if (typeof(console) !== 'undefined' && typeof(console.log) === 'function') {
// Audio API isn't supported, so just write `beep` to the console
for (var i = 0; i < times; i++) {
console.log('Beep!');
}
}
}
};
var audioContext = (function() {
// Determine if the Audio API is supported by this browser
var AudioApi = window.AudioContext;
if (!AudioApi) {
AudioApi = window.webkitAudioContext;
}
if (AudioApi) {
// The Audio API is supported, so create a singleton instance of the AudioContext
return new AudioApi();
}
return undefined;
}());
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