tabbit

black friday rto 2018
Fri Oct 12 2018
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(function(){


	// **************************************************************************************************
	// RTO
	// **************************************************************************************************

	var rto_destination_url = 'https://www.rosettastone.com/lp/sbsr/example_deal_whatever';


	var rto_styles = document.createElement('style');
	rto_styles.innerHTML = ''
		+ '.rto_container {'
			+ 'position: fixed;'
			+ 'left: 0px;'
			+ 'top: 0px;'
			+ 'width: 100%;'
			+ 'height: 100%;'
			+ 'text-align: center;'
			+ 'font-size: 20px;'
			+ 'overflow: scroll;'
		+ '}'
		+ '.rto_overlay {'
			+ 'background-color: rgba(33, 33, 33, 0.7);'
			+ 'position: fixed;'
			+ 'width: 100%;'
			+ 'height: 100%;'
		+ '}'
		+ '.rto {'
			+ 'margin: 40px auto;'
			+ 'position: relative;'
			+ 'max-width: 600px;'
			+ 'background-color: #353534;'
			+ 'color: #fff;'
			+ 'border-radius: 30px;'
			+ 'overflow: hidden;'
		+ '}'
		+ '.rto_header_section {'
			+ 'background-color: #E9B639;'
			+ 'color: #353534;'
			+ 'padding: 46px 20px 26px;'
		+ '}'
		+ '.rto_header_line_1 {'
			+ 'font-size: 18px;'
		+ '}'
		+ '.rto_header_line_2 {'
			+ 'font-size: 20px;'
			+ 'font-weight: bold;'
		+ '}'
		+ '.rto_content {'
			+ 'padding: 30px 20px;'
		+ '}'
		+ '.rto_message {'
			+ 'padding: 40px 0px 30px;'
			+ 'line-height: 1.3;'
		+ '}'
		+ '.rto_text_large {'
			+ 'font-size: 1.2em;'
			+ 'font-weight: bold;'
		+ '}'
		+ '.rto_cta {'
			+ 'display: inline-block;'
			+ 'text-decoration: none;'
			+ 'background-color: #3BA5D7;'
			+ 'color: #fff;'
			+ 'padding: 15px 20px;'
			+ 'text-transform: uppercase;'
			+ 'border-radius: 30px;'
			+ 'font-size: 22px;'
			+ 'letter-spacing: 0.06em;'
		+ '}'
		+ '.rto_cta:hover {'
			+ 'background-color: #4BB5E7;'
			+ 'color: #fff;'
		+ '}'
		+ '.rto_x_close {'
			+ 'width: 18px;'
			+ 'height: 18px;'
			+ 'position: absolute;'
			+ 'right: 20px;'
			+ 'top: 20px;'
			+ 'cursor: pointer;'
		+ '}'
		+ '.rto_x_close line {'
			+ 'stroke: #fff;'
			+ 'stroke-width: 2;'
			+ 'stroke-linecap: round;'
		+ '}'
		+ '.clock_container {'
			+ 'transform: scale(1.5);'
			+ 'transform-origin: top;'
		+ '}'
	+'';
	document.head.appendChild(rto_styles);


	var rto_container = document.createElement('div');
	rto_container.className = 'rto_container';
	rto_container.innerHTML = ''
		+ '<div class="rto_overlay js_rto_close"></div>'
		+ '<div class="rto">'
			+ '<svg class="rto_x_close js_rto_close" viewBox="0 0 10 10" xmlns="https://www.w3.org/2000/svg">'
				+ '<line x1="1" y1="1" x2="9" y2="9"></line>'
				+ '<line x1="1" y1="9" x2="9" y2="1"></line>'
			+ '</svg>'
			+ '<div class="rto_header_section">'
				+ '<div class="rto_header_line_1">'
					+ 'Who doesn\'t love a little extra?'
				+ '</div>'
				+ '<div class="rto_header_line_2">'
					+ 'You\'ve got 10 minutes.'
				+ '</div>'
			+ '</div>'
			+ '<div class="rto_content">'
				+ '<div class="clock_container">clock</div>'
				+ '<div class="rto_message">'
					+ '<div class="rto_text_standard">Reveal this offer and</div>'
					+ '<div class="rto_text_large">save BIG</div>'
					+ '<div class="rto_text_standard">when you buy now.</div>'
				+ '</div>'
				+ '<a href="'+rto_destination_url+'" class="rto_cta">Reveal the Deal</a>'
			+ '</div>'
		+ '</div>'
	+'';
	document.body.appendChild(rto_container);




	_$('.js_rto_close').on('click', function(){
		_$('.rto_container').hide();
	});















	// **************************************************************************************************
	// CLOCK INSTRUCTIONS:
	//
	//     1) Set the total time on the clock in milliseconds and the clock will take care of itself.
	//     2) Feel free to make whatever style updates you'd like.
	//
	//     Helpful notes:
	//     - If the time is long enough, an EXTRA ARC FOR HOURS WILL BE ADDED AUTOMATICALLY.
	//     - This code supports any number of clock_container divs on the same page.
	//
	// **************************************************************************************************

	var total_time_on_clock_in_ms = 10 * (60*1000); // 10 minutes






	// ****************************
	// Set clock styles here
	// ****************************

	function add_clock_styles(){

		var style_tag = document.createElement('style');
		style_tag.innerHTML = ''
			+ '.clock_arc_svg {'
				+ 'width: 80px;'
				+ 'height: 80px;'
			+ '}'
			+ '.clock_arc {'
				+ 'stroke-width: 0.6;'
				+ 'stroke-linecap: round;'
				+ 'fill: transparent;'
			+ '}'
			+ '.clock_arc_track {'
				+ 'stroke: #1E1E1E;'
			+ '}'
			+ '.clock_arc_fill {'
				+ 'stroke: url(#clock_arc_gradient) #458FCF;'
			+ '}'

			+ '.clock_block {'
				+ 'position: relative;'
				+ 'display: inline-block;'
				+ 'margin: 0px 3px;'
				+ 'line-height: 1;'
			+ '}'

			+ '.clock_time_unit {'
				+ 'text-align: center;'
				+ 'position: absolute;'
				+ 'left: 0px;'
				+ 'top: 20%;'
				+ 'width: 100%;'
			+ '}'
			+ '.clock_time_number {'
				+ 'font-size: 22px;'
			+ '}'
			+ '.clock_time_units {'
				+ 'font-size: 14px;'
			+ '}';
		document.head.appendChild(style_tag);
	}
	add_clock_styles();








	// ********************************
	// From here on, no need to edit
	// ********************************


	function _$(selector){
		var elems = Array.prototype.slice.call(document.querySelectorAll(selector));
		return {
			elems: elems,
			attr: function(attr, value){
				elems.forEach(function(elem){
					var original_attr = elem.getAttribute(attr);
					var final_value = typeof value === 'function' ? value(original_attr) : value;
					elem.setAttribute(attr, final_value);
				});
				return this;
			},
			show: function(display_property){
				elems.forEach(function(elem){
					elem.style.display = display_property || 'block';
				});
				return this;
			},
			hide: function(){
				elems.forEach(function(elem){
					elem.style.display = 'none';
				});
				return this;
			},
			html: function(inner_html){
				elems.forEach(function(elem){
					elem.innerHTML = inner_html;
				});
				return this;
			},
			on: function(event, fn){
				elems.forEach(function(elem){
					elem.addEventListener(event, fn);
				});
				return this;
			}
		};
	}




	function Timer(container_selector, time_remaining_ms){

		this.svg_gradient = ''
			+ '<svg style="width:0;height:0;position:absolute;" aria-hidden="true" focusable="false">'
				+ '<linearGradient id="clock_arc_gradient" x2="1" y2="1">'
					+ '<stop offset="0%" stop-color="#80E4F9" />'
					+ '<stop offset="50%" stop-color="#458FCF" />'
					+ '<stop offset="100%" stop-color="#0E3FA5" />'
				+ '</linearGradient>'
			+ '</svg>';

		this.generate_arc_svg = function(time_units){
			return ''
				+ '<svg class="clock_arc_svg" data-time_units="'+time_units+'" viewBox="0 0 10 10" xmlns="https://www.w3.org/2000/svg">'
					+ '<path class="clock_arc clock_arc_track"></path>'
					+ '<path class="clock_arc clock_arc_fill"></path>'
				+ '</svg>';
		}

		this.generate_time_holder = function(time_units){
			return ''
				+'<div class="clock_block" data-time_units="'+time_units+'">'
					+ this.generate_arc_svg(time_units)
					+ '<div class="clock_time_unit">'
						+ '<div class="clock_time_number">'+
							+ this.getTime(time_units)
						+'</div>'
						+ '<div class="clock_time_units">'
							+ time_units.charAt(0).toUpperCase() + time_units.slice(1)
						+ '</div>'
					+ '</div>'
				+'</div>';
		}

		this.r = 4.55;
		this.arc_degrees_half = 130;
		this.arc_degrees_full = this.arc_degrees_half * 2;

		this.tick_length_ms = 500;
		this.latest_tick_ms;


		this.time_remaining_ms = time_remaining_ms;

		this.getTime = function(time_units){
			var time_in = {
				seconds: (this.time_remaining_ms/1000) % 60,
				minutes: (this.time_remaining_ms/1000/60) % 60,
				hours: this.time_remaining_ms/(1000*60*60)
			};
			return time_in[time_units];
		}

		this.hasHours = Math.floor(this.getTime('hours')) > 0;


		this.init = function(){
			var self = this;
			_$(container_selector).html(
				(self.hasHours ? self.generate_time_holder('hours') : '')
				+ self.generate_time_holder('minutes')
				+ self.generate_time_holder('seconds')
			);
			document.querySelector(container_selector).innerHTML += this.svg_gradient;

			_$('.clock_arc_track').attr(
				'd', describeArc(5, 5, self.r, -self.arc_degrees_half, self.arc_degrees_half)
			);
		};

		this.set_arc_length = function(time_units, percent_full){
			var self = this;
			var start_angle = this.arc_degrees_half - (this.arc_degrees_full * (percent_full/100));

			_$(container_selector + ' .clock_arc_svg[data-time_units='+time_units+'] .clock_arc_fill').attr(
				'd', describeArc(5, 5, self.r, start_angle, self.arc_degrees_half)
			);
		};


		this.time_now_ms = window.performance.now();
		this.total_seconds = this.getTime('seconds') || 60;
		this.total_minutes = this.hasHours ? 60 : this.getTime('minutes');
		this.total_hours = this.getTime('hours');

		this.t = 60;

		this.raf;

		this.update_clock = (function(timestamp){
			this.raf = window.requestAnimationFrame(this.update_clock);
			this.time_remaining_ms -= (timestamp - this.time_now_ms);
			this.time_now_ms = timestamp;

			// make sure time doesn't go negative (it creates weird rendering)
			if(this.time_remaining_ms <= 0){
				this.time_remaining_ms = 0;
			}

			if( (this.time_now_ms - this.latest_tick_ms) >= this.tick_length_ms ){
				this.latest_tick_ms = this.time_now_ms;

				if(this.hasHours){
					this.update_timer_number('hours', Math.floor(this.getTime('hours')) );
				}
				this.update_timer_number('minutes', Math.floor(this.getTime('minutes')) );
				this.update_timer_number('seconds', Math.floor(this.getTime('seconds')) );
			}

			if(this.hasHours){
				this.set_arc_length('hours', (this.getTime('hours') / this.total_hours) * 100);
			}
			this.set_arc_length('minutes', (this.getTime('minutes') / this.total_minutes) * 100);
			this.set_arc_length('seconds', (this.getTime('seconds') / this.total_seconds) * 100);

			if(this.time_remaining_ms <= 0){
				this.stop();
			}
		}).bind(this);

		this.update_timer_number = function(time_units, number){
			_$('.clock_block[data-time_units='+time_units+'] .clock_time_number').html(number);
		}

		this.start = function(){
			this.time_now_ms = window.performance.now();
			this.latest_tick_ms = this.time_now_ms;
			this.update_clock(this.time_now_ms);
		};

		this.stop = function(){
			window.cancelAnimationFrame(this.raf);
		};
	}

	var timer = new Timer('.clock_container', total_time_on_clock_in_ms);
	timer.init();
	timer.start();



	// credit for polarToCartesian and describeArc functions:
	// https://stackoverflow.com/questions/5736398/how-to-calculate-the-svg-path-for-an-arc-of-a-circle
	function polarToCartesian(centerX, centerY, radius, angleInDegrees) {
		var angleInRadians = (angleInDegrees-90) * Math.PI / 180.0;

		return {
			x: centerX + (radius * Math.cos(angleInRadians)),
			y: centerY + (radius * Math.sin(angleInRadians))
		};
	}
	function describeArc(x, y, radius, startAngle, endAngle){
		var start = polarToCartesian(x, y, radius, endAngle);
		var end = polarToCartesian(x, y, radius, startAngle);

		var arcSweep = endAngle - startAngle <= 180 ? '0' : '1';

		var d = [
				'M', start.x, start.y, 
				'A', radius, radius, 0, arcSweep, 0, end.x, end.y
		].join(' ');

		return d;
	}



})();