never-ending-progress.min.js

(function($){function NeverEndingProgress(opts){this.update_progress=function(progress){this.current_progress=this.max_progress*progress;if(progress==1){this.start_auto_progress()}this.callback_progress()};this.finish=function(){this.current_progress=1;this.callback_progress()};this.start_auto_progress=function(){this.auto_progress_time=new Date().getTime();var init_to_auto_time=this.auto_progress_time-this.start_time;this.expected_time=(init_to_auto_time/this.max_progress)*this.auto_progress_required;this.update_interval=(this.expected_time/100)/this.auto_progress_required;this.auto_progress=0;this.auto_interval()};this.auto_interval=function(){var self=this;this.auto_progress+=0.01;this.current_progress+=0.01;var interval_slowdown=(1/Math.pow(0.99-this.current_progress,3));this.callback_progress();if(this.current_progress<0.99){this.interval=setTimeout(function(){self.auto_interval()},this.update_interval+interval_slowdown)}};this.callback_progress=function(){if(typeof(this.progress_callback)=="function"){this.progress_callback(this.current_progress)}};this.init=function(){this.current_progress=0;this.max_progress=0.7;$.extend(this,opts);this.auto_progress_required=(1-this.max_progress);this.start_time=new Date().getTime()};this.init()}$.fn.never_ending_progress=function(max_progress,progress_callback){var $this=$(this);$this.never_ending_progress=new NeverEndingProgress({max_progress:max_progress,progress_callback:progress_callback});return $this}})(jQuery);