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/*
* jQuery File Upload Audio Preview Plugin
* https://github.com/blueimp/jQuery-File-Upload
*
* Copyright 2013, Sebastian Tschan
* https://blueimp.net
*
* Licensed under the MIT license:
* https://opensource.org/licenses/MIT
*/
/* global define, require */
(function (factory) {
'use strict';
if (typeof define === 'function' && define.amd) {
// Register as an anonymous AMD module:
define(['jquery', 'load-image', './jquery.fileupload-process'], factory);
} else if (typeof exports === 'object') {
// Node/CommonJS:
factory(
require('jquery'),
require('blueimp-load-image/js/load-image'),
require('./jquery.fileupload-process')
);
} else {
// Browser globals:
factory(window.jQuery, window.loadImage);
}
})(function ($, loadImage) {
'use strict';
// Prepend to the default processQueue:
$.blueimp.fileupload.prototype.options.processQueue.unshift(
{
action: 'loadAudio',
// Use the action as prefix for the "@" options:
prefix: true,
fileTypes: '@',
maxFileSize: '@',
disabled: '@disableAudioPreview'
},
{
action: 'setAudio',
name: '@audioPreviewName',
disabled: '@disableAudioPreview'
}
);
// The File Upload Audio Preview plugin extends the fileupload widget
// with audio preview functionality:
$.widget('blueimp.fileupload', $.blueimp.fileupload, {
options: {
// The regular expression for the types of audio files to load,
// matched against the file type:
loadAudioFileTypes: /^audio\/.*$/
},
_audioElement: document.createElement('audio'),
processActions: {
// Loads the audio file given via data.files and data.index
// as audio element if the browser supports playing it.
// Accepts the options fileTypes (regular expression)
// and maxFileSize (integer) to limit the files to load:
loadAudio: function (data, options) {
if (options.disabled) {
return data;
}
var file = data.files[data.index],
url,
audio;
if (
this._audioElement.canPlayType &&
this._audioElement.canPlayType(file.type) &&
($.type(options.maxFileSize) !== 'number' ||
file.size <= options.maxFileSize) &&
(!options.fileTypes || options.fileTypes.test(file.type))
) {
url = loadImage.createObjectURL(file);
if (url) {
audio = this._audioElement.cloneNode(false);
audio.src = url;
audio.controls = true;
data.audio = audio;
return data;
}
}
return data;
},
// Sets the audio element as a property of the file object:
setAudio: function (data, options) {
if (data.audio && !options.disabled) {
data.files[data.index][options.name || 'preview'] = data.audio;
}
return data;
}
}
});
});
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