/*
* jQuery File Upload Video Preview Plugin
* https://github.com/blueimp/jQuery-File-Upload
*
* Copyright 2013, Sebastian Tschan
* https://blueimp.net
*
* Licensed under the MIT license:
* http://www.opensource.org/licenses/MIT
*/
/* jshint nomen:false */
/* global define, require, window, document */
(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('load-image')
);
} else {
// Browser globals:
factory(
window.jQuery,
window.loadImage
);
}
}(function ($, loadImage) {
'use strict';
// Prepend to the default processQueue:
$.blueimp.fileupload.prototype.options.processQueue.unshift(
{
action: 'loadVideo',
// Use the action as prefix for the "@" options:
prefix: true,
fileTypes: '@',
maxFileSize: '@',
disabled: '@disableVideoPreview'
},
{
action: 'setVideo',
name: '@videoPreviewName',
disabled: '@disableVideoPreview'
}
);
// The File Upload Video Preview plugin extends the fileupload widget
// with video preview functionality:
$.widget('blueimp.fileupload', $.blueimp.fileupload, {
options: {
// The regular expression for the types of video files to load,
// matched against the file type:
loadVideoFileTypes: /^video\/.*$/
},
_videoElement: document.createElement('video'),
processActions: {
// Loads the video file given via data.files and data.index
// as video element if the browser supports playing it.
// Accepts the options fileTypes (regular expression)
// and maxFileSize (integer) to limit the files to load:
loadVideo: function (data, options) {
if (options.disabled) {
return data;
}
var file = data.files[data.index],
url,
video;
if (this._videoElement.canPlayType &&
this._videoElement.canPlayType(file.type) &&
($.type(options.maxFileSize) !== 'number' ||
file.size <= options.maxFileSize) &&
(!options.fileTypes ||
options.fileTypes.test(file.type))) {
url = loadImage.createObjectURL(file);
if (url) {
video = this._videoElement.cloneNode(false);
video.src = url;
video.controls = true;
data.video = video;
return data;
}
}
return data;
},
// Sets the video element as a property of the file object:
setVideo: function (data, options) {
if (data.video && !options.disabled) {
data.files[data.index][options.name || 'preview'] = data.video;
}
return data;
}
}
});
}));
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