first commit
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502
resources/assets/vendor/vide/jquery.vide.js
vendored
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502
resources/assets/vendor/vide/jquery.vide.js
vendored
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@ -0,0 +1,502 @@
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/*
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* Vide - v0.5.1
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* Easy as hell jQuery plugin for video backgrounds.
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* http://vodkabears.github.io/vide/
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*
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* Made by Ilya Makarov
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* Under MIT License
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*/
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!(function(root, factory) {
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if (typeof define === 'function' && define.amd) {
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define(['jquery'], factory);
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} else if (typeof exports === 'object') {
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factory(require('jquery'));
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} else {
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factory(root.jQuery);
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}
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})(this, function($) {
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'use strict';
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/**
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* Name of the plugin
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* @private
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* @const
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* @type {String}
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*/
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var PLUGIN_NAME = 'vide';
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/**
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* Default settings
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* @private
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* @const
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* @type {Object}
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*/
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var DEFAULTS = {
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volume: 1,
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playbackRate: 1,
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muted: true,
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loop: true,
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autoplay: true,
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position: '50% 50%',
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posterType: 'detect',
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resizing: true,
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bgColor: 'transparent',
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className: ''
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};
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/**
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* Not implemented error message
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* @private
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* @const
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* @type {String}
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*/
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var NOT_IMPLEMENTED_MSG = 'Not implemented';
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/**
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* Parse a string with options
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* @private
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* @param {String} str
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* @returns {Object|String}
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*/
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function parseOptions(str) {
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var obj = {};
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var delimiterIndex;
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var option;
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var prop;
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var val;
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var arr;
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var len;
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var i;
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// Remove spaces around delimiters and split
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arr = str.replace(/\s*:\s*/g, ':').replace(/\s*,\s*/g, ',').split(',');
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// Parse a string
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for (i = 0, len = arr.length; i < len; i++) {
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option = arr[i];
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// Ignore urls and a string without colon delimiters
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if (
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option.search(/^(http|https|ftp):\/\//) !== -1 ||
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option.search(':') === -1
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) {
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break;
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}
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delimiterIndex = option.indexOf(':');
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prop = option.substring(0, delimiterIndex);
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val = option.substring(delimiterIndex + 1);
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// If val is an empty string, make it undefined
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if (!val) {
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val = undefined;
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}
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// Convert a string value if it is like a boolean
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if (typeof val === 'string') {
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val = val === 'true' || (val === 'false' ? false : val);
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}
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// Convert a string value if it is like a number
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if (typeof val === 'string') {
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val = !isNaN(val) ? +val : val;
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}
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obj[prop] = val;
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}
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// If nothing is parsed
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if (prop == null && val == null) {
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return str;
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}
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return obj;
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}
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/**
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* Parse a position option
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* @private
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* @param {String} str
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* @returns {Object}
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*/
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function parsePosition(str) {
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str = '' + str;
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// Default value is a center
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var args = str.split(/\s+/);
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var x = '50%';
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var y = '50%';
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var len;
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var arg;
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var i;
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for (i = 0, len = args.length; i < len; i++) {
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arg = args[i];
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// Convert values
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if (arg === 'left') {
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x = '0%';
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} else if (arg === 'right') {
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x = '100%';
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} else if (arg === 'top') {
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y = '0%';
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} else if (arg === 'bottom') {
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y = '100%';
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} else if (arg === 'center') {
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if (i === 0) {
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x = '50%';
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} else {
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y = '50%';
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}
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} else {
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if (i === 0) {
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x = arg;
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} else {
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y = arg;
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}
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}
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}
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return { x: x, y: y };
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}
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/**
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* Search a poster
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* @private
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* @param {String} path
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* @param {Function} callback
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*/
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function findPoster(path, callback) {
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var onLoad = function() {
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callback(this.src);
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};
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$('<img src="' + path + '.gif">').on('load', onLoad);
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$('<img src="' + path + '.jpg">').on('load', onLoad);
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$('<img src="' + path + '.jpeg">').on('load', onLoad);
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$('<img src="' + path + '.png">').on('load', onLoad);
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}
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/**
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* Vide constructor
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* @param {HTMLElement} element
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* @param {Object|String} path
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* @param {Object|String} options
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* @constructor
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*/
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function Vide(element, path, options) {
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this.$element = $(element);
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// Parse path
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if (typeof path === 'string') {
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path = parseOptions(path);
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}
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// Parse options
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if (!options) {
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options = {};
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} else if (typeof options === 'string') {
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options = parseOptions(options);
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}
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// Remove an extension
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if (typeof path === 'string') {
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path = path.replace(/\.\w*$/, '');
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} else if (typeof path === 'object') {
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for (var i in path) {
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if (path.hasOwnProperty(i)) {
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path[i] = path[i].replace(/\.\w*$/, '');
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}
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}
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}
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this.settings = $.extend({}, DEFAULTS, options);
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this.path = path;
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// https://github.com/VodkaBears/Vide/issues/110
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try {
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this.init();
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} catch (e) {
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if (e.message !== NOT_IMPLEMENTED_MSG) {
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throw e;
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}
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}
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}
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/**
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* Initialization
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* @public
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*/
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Vide.prototype.init = function() {
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var vide = this;
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var path = vide.path;
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var poster = path;
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var sources = '';
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var $element = vide.$element;
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var settings = vide.settings;
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var position = parsePosition(settings.position);
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var posterType = settings.posterType;
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var $video;
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var $wrapper;
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// Set styles of a video wrapper
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$wrapper = vide.$wrapper = $('<div>')
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.addClass(settings.className)
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.css({
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position: 'absolute',
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'z-index': -1,
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top: 0,
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left: 0,
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bottom: 0,
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right: 0,
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overflow: 'hidden',
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'-webkit-background-size': 'cover',
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'-moz-background-size': 'cover',
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'-o-background-size': 'cover',
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'background-size': 'cover',
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'background-color': settings.bgColor,
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'background-repeat': 'no-repeat',
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'background-position': position.x + ' ' + position.y
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});
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// Get a poster path
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if (typeof path === 'object') {
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if (path.poster) {
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poster = path.poster;
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} else {
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if (path.mp4) {
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poster = path.mp4;
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} else if (path.webm) {
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poster = path.webm;
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} else if (path.ogv) {
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poster = path.ogv;
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}
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}
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}
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// Set a video poster
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if (posterType === 'detect') {
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findPoster(poster, function(url) {
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$wrapper.css('background-image', 'url(' + url + ')');
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});
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} else if (posterType !== 'none') {
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$wrapper.css('background-image', 'url(' + poster + '.' + posterType + ')');
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}
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// If a parent element has a static position, make it relative
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if ($element.css('position') === 'static') {
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$element.css('position', 'relative');
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}
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$element.prepend($wrapper);
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if (typeof path === 'object') {
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if (path.mp4) {
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sources += '<source src="' + path.mp4 + '.mp4" type="video/mp4">';
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}
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if (path.webm) {
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sources += '<source src="' + path.webm + '.webm" type="video/webm">';
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}
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if (path.ogv) {
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sources += '<source src="' + path.ogv + '.ogv" type="video/ogg">';
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}
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$video = vide.$video = $('<video>' + sources + '</video>');
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} else {
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$video = vide.$video = $('<video>' +
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'<source src="' + path + '.mp4" type="video/mp4">' +
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'<source src="' + path + '.webm" type="video/webm">' +
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'<source src="' + path + '.ogv" type="video/ogg">' +
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'</video>');
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}
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// https://github.com/VodkaBears/Vide/issues/110
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try {
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$video
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// Set video properties
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.prop({
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autoplay: settings.autoplay,
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loop: settings.loop,
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volume: settings.volume,
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muted: settings.muted,
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defaultMuted: settings.muted,
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playbackRate: settings.playbackRate,
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defaultPlaybackRate: settings.playbackRate
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});
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if (settings.autoplay) {
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$video.attr('playsinline', '');
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}
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} catch (e) {
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throw new Error(NOT_IMPLEMENTED_MSG);
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}
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// Video alignment
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$video.css({
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margin: 'auto',
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position: 'absolute',
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'z-index': -1,
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top: position.y,
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left: position.x,
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'-webkit-transform': 'translate(-' + position.x + ', -' + position.y + ')',
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'-ms-transform': 'translate(-' + position.x + ', -' + position.y + ')',
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'-moz-transform': 'translate(-' + position.x + ', -' + position.y + ')',
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transform: 'translate(-' + position.x + ', -' + position.y + ')',
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opacity: 0
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})
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// Resize a video, when it's loaded
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.one('canplaythrough.' + PLUGIN_NAME, function() {
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vide.resize();
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})
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// Make it visible, when it's already playing
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.one('playing.' + PLUGIN_NAME, function() {
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$video.css({
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visibility: 'visible',
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opacity: 1
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});
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$wrapper.css('background-image', 'none');
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});
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// Resize event is available only for 'window'
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// Use another code solutions to detect DOM elements resizing
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$element.on('resize.' + PLUGIN_NAME, function() {
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if (settings.resizing) {
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vide.resize();
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}
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});
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// Append a video
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$wrapper.append($video);
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};
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/**
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* Get a video element
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* @public
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* @returns {HTMLVideoElement}
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*/
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Vide.prototype.getVideoObject = function() {
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return this.$video[0];
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};
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/**
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* Resize a video background
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* @public
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*/
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Vide.prototype.resize = function() {
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if (!this.$video) {
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return;
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}
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var $wrapper = this.$wrapper;
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var $video = this.$video;
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var video = $video[0];
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// Get a native video size
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var videoHeight = video.videoHeight;
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var videoWidth = video.videoWidth;
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// Get a wrapper size
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var wrapperHeight = $wrapper.height();
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var wrapperWidth = $wrapper.width();
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if (wrapperWidth / videoWidth > wrapperHeight / videoHeight) {
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$video.css({
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// +2 pixels to prevent an empty space after transformation
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width: wrapperWidth + 2,
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height: 'auto'
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});
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} else {
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$video.css({
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width: 'auto',
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// +2 pixels to prevent an empty space after transformation
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height: wrapperHeight + 2
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});
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}
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};
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/**
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* Destroy a video background
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* @public
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*/
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Vide.prototype.destroy = function() {
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delete $[PLUGIN_NAME].lookup[this.index];
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this.$video && this.$video.off(PLUGIN_NAME);
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this.$element.off(PLUGIN_NAME).removeData(PLUGIN_NAME);
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this.$wrapper.remove();
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};
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/**
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* Special plugin object for instances.
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* @public
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* @type {Object}
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*/
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$[PLUGIN_NAME] = {
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lookup: []
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};
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/**
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* Plugin constructor
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* @param {Object|String} path
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* @param {Object|String} options
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* @returns {JQuery}
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* @constructor
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*/
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$.fn[PLUGIN_NAME] = function(path, options) {
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var instance;
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this.each(function() {
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instance = $.data(this, PLUGIN_NAME);
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// Destroy the plugin instance if exists
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instance && instance.destroy();
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// Create the plugin instance
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instance = new Vide(this, path, options);
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instance.index = $[PLUGIN_NAME].lookup.push(instance) - 1;
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$.data(this, PLUGIN_NAME, instance);
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});
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return this;
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};
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$(document).ready(function() {
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var $window = $(window);
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// Window resize event listener
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$window.on('resize.' + PLUGIN_NAME, function() {
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for (var len = $[PLUGIN_NAME].lookup.length, i = 0, instance; i < len; i++) {
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instance = $[PLUGIN_NAME].lookup[i];
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if (instance && instance.settings.resizing) {
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instance.resize();
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}
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}
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});
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// https://github.com/VodkaBears/Vide/issues/68
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$window.on('pagehide.' + PLUGIN_NAME, function() {
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return false;
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});
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// Auto initialization
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// Add 'data-vide-bg' attribute with a path to the video without extension
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// Also you can pass options throw the 'data-vide-options' attribute
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// 'data-vide-options' must be like 'muted: false, volume: 0.5'
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$(document).find('[data-' + PLUGIN_NAME + '-bg]').each(function(i, element) {
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var $element = $(element);
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var options = $element.data(PLUGIN_NAME + '-options');
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var path = $element.data(PLUGIN_NAME + '-bg');
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$element[PLUGIN_NAME](path, options);
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});
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});
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});
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