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- /**
- * jQuery.marquee - scrolling text like old marquee element
- * @author Aamir Afridi - aamirafridi(at)gmail(dot)com / http://aamirafridi.com/jquery/jquery-marquee-plugin
- */;
- (function($) {
- $.fn.marquee = function(options) {
- return this.each(function() {
- // Extend the options if any provided
- var o = $.extend({}, $.fn.marquee.defaults, options),
- $this = $(this),
- $marqueeWrapper, containerWidth, animationCss, verticalDir, elWidth,
- loopCount = 3,
- playState = 'animation-play-state',
- css3AnimationIsSupported = false,
- // Private methods
- _prefixedEvent = function(element, type, callback) {
- var pfx = ["webkit", "moz", "MS", "o", ""];
- for (var p = 0; p < pfx.length; p++) {
- if (!pfx[p]) type = type.toLowerCase();
- element.addEventListener(pfx[p] + type, callback, false);
- }
- },
- _objToString = function(obj) {
- var tabjson = [];
- for (var p in obj) {
- if (obj.hasOwnProperty(p)) {
- tabjson.push(p + ':' + obj[p]);
- }
- }
- tabjson.push();
- return '{' + tabjson.join(',') + '}';
- },
- _startAnimationWithDelay = function() {
- $this.timer = setTimeout(animate, o.delayBeforeStart);
- },
- // Public methods
- methods = {
- pause: function() {
- if (css3AnimationIsSupported && o.allowCss3Support) {
- $marqueeWrapper.css(playState, 'paused');
- } else {
- // pause using pause plugin
- if ($.fn.pause) {
- $marqueeWrapper.pause();
- }
- }
- // save the status
- $this.data('runningStatus', 'paused');
- // fire event
- $this.trigger('paused');
- },
- resume: function() {
- // resume using css3
- if (css3AnimationIsSupported && o.allowCss3Support) {
- $marqueeWrapper.css(playState, 'running');
- } else {
- // resume using pause plugin
- if ($.fn.resume) {
- $marqueeWrapper.resume();
- }
- }
- // save the status
- $this.data('runningStatus', 'resumed');
- // fire event
- $this.trigger('resumed');
- },
- toggle: function() {
- methods[$this.data('runningStatus') == 'resumed' ? 'pause' : 'resume']();
- },
- destroy: function() {
- // Clear timer
- clearTimeout($this.timer);
- // Unbind all events
- $this.find("*").addBack().off();
- // Just unwrap the elements that has been added using this plugin
- $this.html($this.find('.js-marquee:first').html());
- }
- };
- // Check for methods
- if (typeof options === 'string') {
- if ($.isFunction(methods[options])) {
- // Following two IF statements to support public methods
- if (!$marqueeWrapper) {
- $marqueeWrapper = $this.find('.js-marquee-wrapper');
- }
- if ($this.data('css3AnimationIsSupported') === true) {
- css3AnimationIsSupported = true;
- }
- methods[options]();
- }
- return;
- }
- /* Check if element has data attributes. They have top priority
- For details https://twitter.com/aamirafridi/status/403848044069679104 - Can't find a better solution :/
- jQuery 1.3.2 doesn't support $.data().KEY hence writting the following */
- var dataAttributes = {},
- attr;
- $.each(o, function(key, value) {
- // Check if element has this data attribute
- attr = $this.attr('data-' + key);
- if (typeof attr !== 'undefined') {
- // Now check if value is boolean or not
- switch (attr) {
- case 'true':
- attr = true;
- break;
- case 'false':
- attr = false;
- break;
- }
- o[key] = attr;
- }
- });
- // Reintroduce speed as an option. It calculates duration as a factor of the container width
- // measured in pixels per second.
- if (o.speed) {
- o.duration = parseInt($this.width(), 10) / o.speed * 1000;
- }
- // Shortcut to see if direction is upward or downward
- verticalDir = o.direction == 'up' || o.direction == 'down';
- // no gap if not duplicated
- o.gap = o.duplicated ? parseInt(o.gap) : 0;
- // wrap inner content into a div
- $this.wrapInner('<div class="js-marquee"></div>');
- // Make copy of the element
- var $el = $this.find('.js-marquee').css({
- 'margin-right': o.gap,
- 'float': 'left'
- });
- if (o.duplicated) {
- $el.clone(true).appendTo($this);
- }
- // wrap both inner elements into one div
- $this.wrapInner('<div style="width:100000px" class="js-marquee-wrapper"></div>');
- // Save the reference of the wrapper
- $marqueeWrapper = $this.find('.js-marquee-wrapper');
- // If direction is up or down, get the height of main element
- if (verticalDir) {
- var containerHeight = $this.height();
- $marqueeWrapper.removeAttr('style');
- $this.height(containerHeight);
- // Change the CSS for js-marquee element
- $this.find('.js-marquee').css({
- 'float': 'none',
- 'margin-bottom': o.gap,
- 'margin-right': 0
- });
- // Remove bottom margin from 2nd element if duplicated
- if (o.duplicated) $this.find('.js-marquee:last').css({
- 'margin-bottom': 0
- });
- var elHeight = $this.find('.js-marquee:first').height() + o.gap;
- // adjust the animation duration according to the text length
- if (o.startVisible && !o.duplicated) {
- // Compute the complete animation duration and save it for later reference
- // formula is to: (Height of the text node + height of the main container / Height of the main container) * duration;
- o._completeDuration = ((parseInt(elHeight, 10) + parseInt(containerHeight, 10)) / parseInt(containerHeight, 10)) * o.duration;
- // formula is to: (Height of the text node / height of the main container) * duration
- o.duration = (parseInt(elHeight, 10) / parseInt(containerHeight, 10)) * o.duration;
- } else {
- // formula is to: (Height of the text node + height of the main container / Height of the main container) * duration;
- o.duration = ((parseInt(elHeight, 10) + parseInt(containerHeight, 10)) / parseInt(containerHeight, 10)) * o.duration;
- }
- } else {
- // Save the width of the each element so we can use it in animation
- elWidth = $this.find('.js-marquee:first').width() + o.gap;
- // container width
- containerWidth = $this.width();
- // adjust the animation duration according to the text length
- if (o.startVisible && !o.duplicated) {
- // Compute the complete animation duration and save it for later reference
- // formula is to: (Width of the text node + width of the main container / Width of the main container) * duration;
- o._completeDuration = ((parseInt(elWidth, 10) + parseInt(containerWidth, 10)) / parseInt(containerWidth, 10)) * o.duration;
- // (Width of the text node / width of the main container) * duration
- o.duration = (parseInt(elWidth, 10) / parseInt(containerWidth, 10)) * o.duration;
- } else {
- // formula is to: (Width of the text node + width of the main container / Width of the main container) * duration;
- o.duration = ((parseInt(elWidth, 10) + parseInt(containerWidth, 10)) / parseInt(containerWidth, 10)) * o.duration;
- }
- }
- // if duplicated then reduce the duration
- if (o.duplicated) {
- o.duration = o.duration / 2;
- }
- if (o.allowCss3Support) {
- var
- elm = document.body || document.createElement('div'),
- animationName = 'marqueeAnimation-' + Math.floor(Math.random() * 10000000),
- domPrefixes = 'Webkit Moz O ms Khtml'.split(' '),
- animationString = 'animation',
- animationCss3Str = '',
- keyframeString = '';
- // Check css3 support
- if (elm.style.animation !== undefined) {
- keyframeString = '@keyframes ' + animationName + ' ';
- css3AnimationIsSupported = true;
- }
- if (css3AnimationIsSupported === false) {
- for (var i = 0; i < domPrefixes.length; i++) {
- if (elm.style[domPrefixes[i] + 'AnimationName'] !== undefined) {
- var prefix = '-' + domPrefixes[i].toLowerCase() + '-';
- animationString = prefix + animationString;
- playState = prefix + playState;
- keyframeString = '@' + prefix + 'keyframes ' + animationName + ' ';
- css3AnimationIsSupported = true;
- break;
- }
- }
- }
- if (css3AnimationIsSupported) {
- animationCss3Str = animationName + ' ' + o.duration / 1000 + 's ' + o.delayBeforeStart / 1000 + 's infinite ' + o.css3easing;
- $this.data('css3AnimationIsSupported', true);
- }
- }
- var _rePositionVertically = function() {
- $marqueeWrapper.css('transform', 'translateY(' + (o.direction == 'up' ? containerHeight + 'px' : '-' + elHeight + 'px') + ')');
- },
- _rePositionHorizontally = function() {
- $marqueeWrapper.css('transform', 'translateX(' + (o.direction == 'left' ? containerWidth + 'px' : '-' + elWidth + 'px') + ')');
- };
- // if duplicated option is set to true than position the wrapper
- if (o.duplicated) {
- if (verticalDir) {
- if (o.startVisible) {
- $marqueeWrapper.css('transform', 'translateY(0)');
- } else {
- $marqueeWrapper.css('transform', 'translateY(' + (o.direction == 'up' ? containerHeight + 'px' : '-' + ((elHeight * 2) - o.gap) + 'px') + ')');
- }
- } else {
- if (o.startVisible) {
- $marqueeWrapper.css('transform', 'translateX(0)');
- } else {
- $marqueeWrapper.css('transform', 'translateX(' + (o.direction == 'left' ? containerWidth + 'px' : '-' + ((elWidth * 2) - o.gap) + 'px') + ')');
- }
- }
- // If the text starts out visible we can skip the two initial loops
- if (!o.startVisible) {
- loopCount = 1;
- }
- } else if (o.startVisible) {
- // We only have two different loops if marquee is duplicated and starts visible
- loopCount = 2;
- } else {
- if (verticalDir) {
- _rePositionVertically();
- } else {
- _rePositionHorizontally();
- }
- }
- // Animate recursive method
- var animate = function() {
- if (o.duplicated) {
- // When duplicated, the first loop will be scroll longer so double the duration
- if (loopCount === 1) {
- o._originalDuration = o.duration;
- if (verticalDir) {
- o.duration = o.direction == 'up' ? o.duration + (containerHeight / ((elHeight) / o.duration)) : o.duration * 2;
- } else {
- o.duration = o.direction == 'left' ? o.duration + (containerWidth / ((elWidth) / o.duration)) : o.duration * 2;
- }
- // Adjust the css3 animation as well
- if (animationCss3Str) {
- animationCss3Str = animationName + ' ' + o.duration / 1000 + 's ' + o.delayBeforeStart / 1000 + 's ' + o.css3easing;
- }
- loopCount++;
- }
- // On 2nd loop things back to normal, normal duration for the rest of animations
- else if (loopCount === 2) {
- o.duration = o._originalDuration;
- // Adjust the css3 animation as well
- if (animationCss3Str) {
- animationName = animationName + '0';
- keyframeString = $.trim(keyframeString) + '0 ';
- animationCss3Str = animationName + ' ' + o.duration / 1000 + 's 0s infinite ' + o.css3easing;
- }
- loopCount++;
- }
- }
- if (verticalDir) {
- if (o.duplicated) {
- // Adjust the starting point of animation only when first loops finishes
- if (loopCount > 2) {
- $marqueeWrapper.css('transform', 'translateY(' + (o.direction == 'up' ? 0 : '-' + elHeight + 'px') + ')');
- }
- animationCss = {
- 'transform': 'translateY(' + (o.direction == 'up' ? '-' + elHeight + 'px' : 0) + ')'
- };
- } else if (o.startVisible) {
- // This loop moves the marquee out of the container
- if (loopCount === 2) {
- // Adjust the css3 animation as well
- if (animationCss3Str) {
- animationCss3Str = animationName + ' ' + o.duration / 1000 + 's ' + o.delayBeforeStart / 1000 + 's ' + o.css3easing;
- }
- animationCss = {
- 'transform': 'translateY(' + (o.direction == 'up' ? '-' + elHeight + 'px' : containerHeight + 'px') + ')'
- };
- loopCount++;
- } else if (loopCount === 3) {
- // Set the duration for the animation that will run forever
- o.duration = o._completeDuration;
- // Adjust the css3 animation as well
- if (animationCss3Str) {
- animationName = animationName + '0';
- keyframeString = $.trim(keyframeString) + '0 ';
- animationCss3Str = animationName + ' ' + o.duration / 1000 + 's 0s infinite ' + o.css3easing;
- }
- _rePositionVertically();
- }
- } else {
- _rePositionVertically();
- animationCss = {
- 'transform': 'translateY(' + (o.direction == 'up' ? '-' + ($marqueeWrapper.height()) + 'px' : containerHeight + 'px') + ')'
- };
- }
- } else {
- if (o.duplicated) {
- // Adjust the starting point of animation only when first loops finishes
- if (loopCount > 2) {
- $marqueeWrapper.css('transform', 'translateX(' + (o.direction == 'left' ? 0 : '-' + elWidth + 'px') + ')');
- }
- animationCss = {
- 'transform': 'translateX(' + (o.direction == 'left' ? '-' + elWidth + 'px' : 0) + ')'
- };
- } else if (o.startVisible) {
- // This loop moves the marquee out of the container
- if (loopCount === 2) {
- // Adjust the css3 animation as well
- if (animationCss3Str) {
- animationCss3Str = animationName + ' ' + o.duration / 1000 + 's ' + o.delayBeforeStart / 1000 + 's ' + o.css3easing;
- }
- animationCss = {
- 'transform': 'translateX(' + (o.direction == 'left' ? '-' + elWidth + 'px' : containerWidth + 'px') + ')'
- };
- loopCount++;
- } else if (loopCount === 3) {
- // Set the duration for the animation that will run forever
- o.duration = o._completeDuration;
- // Adjust the css3 animation as well
- if (animationCss3Str) {
- animationName = animationName + '0';
- keyframeString = $.trim(keyframeString) + '0 ';
- animationCss3Str = animationName + ' ' + o.duration / 1000 + 's 0s infinite ' + o.css3easing;
- }
- _rePositionHorizontally();
- }
- } else {
- _rePositionHorizontally();
- animationCss = {
- 'transform': 'translateX(' + (o.direction == 'left' ? '-' + elWidth + 'px' : containerWidth + 'px') + ')'
- };
- }
- }
- // fire event
- $this.trigger('beforeStarting');
- // If css3 support is available than do it with css3, otherwise use jQuery as fallback
- if (css3AnimationIsSupported) {
- // Add css3 animation to the element
- $marqueeWrapper.css(animationString, animationCss3Str);
- var keyframeCss = keyframeString + ' { 100% ' + _objToString(animationCss) + '}',
- $styles = $marqueeWrapper.find('style');
- // Now add the keyframe animation to the marquee element
- if ($styles.length !== 0) {
- // Bug fixed for jQuery 1.3.x - Instead of using .last(), use following
- $styles.filter(":last").html(keyframeCss);
- } else {
- $('head').append('<style>' + keyframeCss + '</style>');
- }
- // Animation iteration event
- _prefixedEvent($marqueeWrapper[0], "AnimationIteration", function() {
- $this.trigger('finished');
- });
- // Animation stopped
- _prefixedEvent($marqueeWrapper[0], "AnimationEnd", function() {
- animate();
- $this.trigger('finished');
- });
- } else {
- // Start animating
- $marqueeWrapper.animate(animationCss, o.duration, o.easing, function() {
- // fire event
- $this.trigger('finished');
- // animate again
- if (o.pauseOnCycle) {
- _startAnimationWithDelay();
- } else {
- animate();
- }
- });
- }
- // save the status
- $this.data('runningStatus', 'resumed');
- };
- // bind pause and resume events
- $this.on('pause', methods.pause);
- $this.on('resume', methods.resume);
- if (o.pauseOnHover) {
- $this.on('mouseenter', methods.pause);
- $this.on('mouseleave', methods.resume);
- }
- // If css3 animation is supported than call animate method at once
- if (css3AnimationIsSupported && o.allowCss3Support) {
- animate();
- } else {
- // Starts the recursive method
- _startAnimationWithDelay();
- }
- });
- }; // End of Plugin
- // Public: plugin defaults options
- $.fn.marquee.defaults = {
- // If you wish to always animate using jQuery
- allowCss3Support: true,
- // works when allowCss3Support is set to true - for full list see http://www.w3.org/TR/2013/WD-css3-transitions-20131119/#transition-timing-function
- css3easing: 'linear',
- // requires jQuery easing plugin. Default is 'linear'
- easing: 'linear',
- // pause time before the next animation turn in milliseconds
- delayBeforeStart: 1000,
- // 'left', 'right', 'up' or 'down'
- direction: 'left',
- // true or false - should the marquee be duplicated to show an effect of continues flow
- duplicated: false,
- // duration in milliseconds of the marquee in milliseconds
- duration: 5000,
- // Speed allows you to set a relatively constant marquee speed regardless of the width of the containing element. Speed is measured in pixels per second.
- speed: 0,
- // gap in pixels between the tickers
- gap: 20,
- // on cycle pause the marquee
- pauseOnCycle: false,
- // on hover pause the marquee - using jQuery plugin https://github.com/tobia/Pause
- pauseOnHover: false,
- // the marquee is visible initially positioned next to the border towards it will be moving
- startVisible: false
- };
- })(jQuery);
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