https://www.fletcherhonda.com/v9/media/js/cycle/v2.99/jquery.cycle.js

1/*!
2 * jQuery Cycle Plugin
3 * Examples and documentation at: http://jquery.malsup.com/cycle/
4 * Copyright (c) 2007-2010 M. Alsup
5 * Version: 2.9999.3 (08-MAR-2012)
6 * Dual licensed under the MIT and GPL licenses.
7 * http://jquery.malsup.com/license.html
8 * Requires: jQuery v1.3.2 or later
9 */
10;(function($, undefined) {
11
12var ver = '2.9999.3';
13
14// if $.support is not defined (pre jQuery 1.3) add what I need
15if ($.support == undefined) {
16  $.support = {
17    opacity: !($.browser.msie)
18  };
19}
20
21function debug(s) {
22  $.fn.cycle.debug && log(s);
23}   
24function log() {
25  window.console && console.log && console.log('[cycle] ' + Array.prototype.join.call(arguments,' '));
26}
27$.expr[':'].paused = function(el) {
28  return el.cyclePause;
29};
30
31
32// the options arg can be...
33//   a number  - indicates an immediate transition should occur to the given slide index
34//   a string  - 'pause', 'resume', 'toggle', 'next', 'prev', 'stop', 'destroy' or the name of a transition effect (ie, 'fade', 'zoom', etc)
35//   an object - properties to control the slideshow
36//
37// the arg2 arg can be...
38//   the name of an fx (only used in conjunction with a numeric value for 'options')
39//   the value true (only used in first arg == 'resume') and indicates
40//   that the resume should occur immediately (not wait for next timeout)
41
42$.fn.cycle = function(options, arg2) {
43  var o = { s: this.selector, c: this.context };
44
45  // in 1.3+ we can fix mistakes with the ready state
46  if (this.length === 0 && options != 'stop') {
47    if (!$.isReady && o.s) {
48      log('DOM not ready, queuing slideshow');
49      $(function() {
50        $(o.s,o.c).cycle(options,arg2);
51      });
52      return this;
53    }
54    // is your DOM ready?  http://docs.jquery.com/Tutorials:Introducing_$(document).ready()
55    log('terminating; zero elements found by selector' + ($.isReady ? '' : ' (DOM not ready)'));
56    return this;
57  }
58
59  // iterate the matched nodeset
60  return this.each(function() {
61    var opts = handleArguments(this, options, arg2);
62    if (opts === false)
63      return;
64
65    opts.updateActivePagerLink = opts.updateActivePagerLink || $.fn.cycle.updateActivePagerLink;
66    
67    // stop existing slideshow for this container (if there is one)
68    if (this.cycleTimeout)
69      clearTimeout(this.cycleTimeout);
70    this.cycleTimeout = this.cyclePause = 0;
71
72    var $cont = $(this);
73    var $slides = opts.slideExpr ? $(opts.slideExpr, this) : $cont.children();
74    var els = $slides.get();
75
76    var opts2 = buildOptions($cont, $slides, els, opts, o);
77    if (opts2 === false)
78      return;
79
80    if (els.length < 2 && $(els).find($.fn.cycle.defaults.video).length != 1) {
81      log('terminating; too few slides: ' + els.length);
82      return;
83    }
84
85    var startTime = opts2.continuous ? 10 : getTimeout(els[opts2.currSlide], els[opts2.nextSlide], opts2, !opts2.backwards);
86
87    // if it's an auto slideshow, kick it off
88    if (startTime) {
89      startTime += (opts2.delay || 0);
90      if (startTime < 10)
91        startTime = 10;
92      debug('first timeout: ' + startTime);
93      this.cycleTimeout = setTimeout(function(){go(els,opts2,0,!opts.backwards)}, startTime);
94    }
95  });
96};
97
98function triggerPause(cont, byHover, onPager) {
99  var opts = $(cont).data('cycle.opts');
100  var paused = !!cont.cyclePause;
101  if (paused && opts.paused)
102    opts.paused(cont, opts, byHover, onPager);
103  else if (!paused && opts.resumed)
104    opts.resumed(cont, opts, byHover, onPager);
105}
106
107// process the args that were passed to the plugin fn
108function handleArguments(cont, options, arg2) {
109  if (cont.cycleStop == undefined)
110    cont.cycleStop = 0;
111  if (options === undefined || options === null)
112    options = {};
113  if (options.constructor == String) {
114    switch(options) {
115    case 'destroy':
116    case 'stop':
117      var opts = $(cont).data('cycle.opts');
118      if (!opts)
119        return false;
120      cont.cycleStop++; // callbacks look for change
121      if (cont.cycleTimeout)
122        clearTimeout(cont.cycleTimeout);
123      cont.cycleTimeout = 0;
124      opts.elements && $(opts.elements).stop();
125      $(cont).removeData('cycle.opts');
126      if (options == 'destroy')
127        destroy(cont, opts);
128      return false;

129    case 'toggle':
130      cont.cyclePause = (cont.cyclePause === 1) ? 0 : 1;
131      checkInstantResume(cont.cyclePause, arg2, cont);
132      triggerPause(cont);
133      return false;
134    case 'pause':
135      cont.cyclePause = 1;
136      triggerPause(cont);
137      return false;
138    case 'resume':
139      cont.cyclePause = 0;
140      checkInstantResume(false, arg2, cont);
141      triggerPause(cont);
142      return false;
143    case 'prev':
144    case 'next':
145      var opts = $(cont).data('cycle.opts');
146      if (!opts) {
147        log('options not found, "prev/next" ignored');
148        return false;
149      }
150      $.fn.cycle[options](opts);
151      return false;
152    default:
153      options = { fx: options };
154    };
155    return options;
156  }
157  else if (options.constructor == Number) {
158    // go to the requested slide
159    var num = options;
160    options = $(cont).data('cycle.opts');
161    if (!options) {
162      log('options not found, can not advance slide');
163      return false;
164    }
165    if (num < 0 || num >= options.elements.length) {
166      log('invalid slide index: ' + num);
167      return false;
168    }
169    options.nextSlide = num;
170    if (cont.cycleTimeout) {
171      clearTimeout(cont.cycleTimeout);
172      cont.cycleTimeout = 0;
173    }
174    if (typeof arg2 == 'string')
175      options.oneTimeFx = arg2;
176    go(options.elements, options, 1, num >= options.currSlide);
177    return false;
178  }
179  return options;
180  
181  function checkInstantResume(isPaused, arg2, cont) {
182    if (!isPaused && arg2 === true) { // resume now!
183      var options = $(cont).data('cycle.opts');
184      if (!options) {
185        log('options not found, can not resume');
186        return false;
187      }
188      if (cont.cycleTimeout) {
189        clearTimeout(cont.cycleTimeout);
190        cont.cycleTimeout = 0;
191      }
192      go(options.elements, options, 1, !options.backwards);
193    }
194  }
195};
196
197function removeFilter(el, opts) {
198  if (!$.support.opacity && opts.cleartype && el.style.filter) {
199    try { el.style.removeAttribute('filter'); }
200    catch(smother) {} // handle old opera versions
201  }
202};
203
204// unbind event handlers
205function destroy(cont, opts) {
206  if (opts.next)
207    $(opts.next).unbind(opts.prevNextEvent);
208  if (opts.prev)
209    $(opts.prev).unbind(opts.prevNextEvent);
210  
211  if (opts.pager || opts.pagerAnchorBuilder)
212    $.each(opts.pagerAnchors || [], function() {
213      this.unbind().remove();
214    });
215  opts.pagerAnchors = null;
216  $(cont).unbind('mouseenter.cycle mouseleave.cycle');
217  if (opts.destroy) // callback
218    opts.destroy(opts);
219};
220
221// one-time initialization
222function buildOptions($cont, $slides, els, options, o) {
223  var startingSlideSpecified;
224  // support metadata plugin (v1.0 and v2.0)
225  var opts = $.extend({}, $.fn.cycle.defaults, options || {}, $.metadata ? $cont.metadata() : $.meta ? $cont.data() : {});
226  var meta = $.isFunction($cont.data) ? $cont.data(opts.metaAttr) : null;
227  if (meta)
228    opts = $.extend(opts, meta);
229  if (opts.autostop)
230    opts.countdown = opts.autostopCount || els.length;
231
232  var cont = $cont[0];
233  $cont.data('cycle.opts', opts);
234  opts.$cont = $cont;
235  opts.stopCount = cont.cycleStop;
236  opts.elements = els;
237  opts.before = opts.before ? [opts.before] : [];
238  opts.after = opts.after ? [opts.after] : [];
239
240  // push some after callbacks
241  if (!$.support.opacity && opts.cleartype)
242    opts.after.push(function() { removeFilter(this, opts); });
243  if (opts.continuous)
244    opts.after.push(function() { go(els,opts,0,!opts.backwards); });
245
246  saveOriginalOpts(opts);
247
248  // clearType corrections
249  if (!$.support.opacity && opts.cleartype && !opts.cleartypeNoBg)
250    clearTypeFix($slides);
251
252  // container requires non-static position so that slides can be position within
253  if ($cont.css('position') == 'static')
254    $cont.css('position', 'relative');
255  if (opts.width)
256    $cont.width(opts.width);
257  if (opts.height && opts.height != 'auto')
258    $cont.height(opts.height);
259
260  if (opts.startingSlide != undefined) {
261    opts.startingSlide = parseInt(opts.startingSlide,10);
262    if (opts.startingSlide >= els.length || opts.startSlide < 0)
263      opts.startingSlide = 0; // catch bogus input
264    else 
265      startingSlideSpecified = true;
266  }
267  else if (opts.backwards)
268    opts.startingSlide = els.length - 1;
269  else
270    opts.startingSlide = 0;
271
272  // if random, mix up the slide array
273  if (opts.random) {
274    opts.randomMap = [];
275    for (var i = 0; i < els.length; i++)
276      opts.randomMap.push(i);
277    opts.randomMap.sort(function(a,b) {return Math.random() - 0.5;});
278    if (startingSlideSpecified) {
279      // try to find the specified starting slide and if found set start slide index in the map accordingly
280      for ( var cnt = 0; cnt < els.length; cnt++ ) {
281        if ( opts.startingSlide == opts.randomMap[cnt] ) {
282          opts.randomIndex = cnt;
283        }
284      }
285    }
286    else {
287      opts.randomIndex = 1;
288      opts.startingSlide = opts.randomMap[1];
289    }
290  }
291  else if (opts.startingSlide >= els.length)
292    opts.startingSlide = 0; // catch bogus input
293  opts.currSlide = opts.startingSlide || 0;
294  var first = opts.startingSlide;
295
296  // set position and zIndex on all the slides

297  $slides.css({position: 'absolute', top:0, left:0}).hide().each(function(i) {
298    var z;
299    if (opts.backwards)
300      z = first ? i <= first ? els.length + (i-first) : first-i : els.length-i;
301    else
302      z = first ? i >= first ? els.length - (i-first) : first-i : els.length-i;
303    $(this).css('z-index', z);
304  });
305
306  // make sure first slide is visible
307  $(els[first]).css('opacity',1).show(); // opacity bit needed to handle restart use case
308  removeFilter(els[first], opts);
309
310  // stretch slides
311  if (opts.fit) {
312    if (!opts.aspect) {
313          if (opts.width)
314              $slides.width(opts.width);
315          if (opts.height && opts.height != 'auto')
316              $slides.height(opts.height);
317    } else {
318      $slides.each(function(){
319        var $slide = $(this);
320        var ratio = (opts.aspect === true) ? $slide.width()/$slide.height() : opts.aspect;
321        if( opts.width && $slide.width() != opts.width ) {
322          $slide.width( opts.width );
323          $slide.height( opts.width / ratio );
324        }
325
326        if( opts.height && $slide.height() < opts.height ) {
327          $slide.height( opts.height );
328          $slide.width( opts.height * ratio );
329        }
330      });
331    }
332  }
333
334  if (opts.center && ((!opts.fit) || opts.aspect)) {
335    $slides.each(function(){
336      var $slide = $(this);
337      $slide.css({
338        "margin-left": opts.width ?
339          ((opts.width - $slide.width()) / 2) + "px" :
340          0,
341        "margin-top": opts.height ?
342          ((opts.height - $slide.height()) / 2) + "px" :
343          0
344      });
345    });
346  }
347
348  if (opts.center && !opts.fit && !opts.slideResize) {
349      $slides.each(function(){
350        var $slide = $(this);
351        $slide.css({
352            "margin-left": opts.width ? ((opts.width - $slide.width()) / 2) + "px" : 0,
353            "margin-top": opts.height ? ((opts.height - $slide.height()) / 2) + "px" : 0
354        });
355      });
356  }
357    
358  // stretch container
359  var reshape = opts.containerResize && !$cont.innerHeight();
360  if (reshape) { // do this only if container has no size http://tinyurl.com/da2oa9
361    var maxw = 0, maxh = 0;
362    for(var j=0; j < els.length; j++) {
363      var $e = $(els[j]), e = $e[0], w = $e.outerWidth(), h = $e.outerHeight();
364      if (!w) w = e.offsetWidth || e.width || $e.attr('width');
365      if (!h) h = e.offsetHeight || e.height || $e.attr('height');
366      maxw = w > maxw ? w : maxw;
367      maxh = h > maxh ? h : maxh;
368    }
369    if (maxw > 0 && maxh > 0)
370      $cont.css({width:maxw+'px',height:maxh+'px'});
371  }
372
373  var pauseFlag = false;  // https://github.com/malsup/cycle/issues/44
374  if (opts.pause)
375    $cont.bind('mouseenter.cycle', function(){
376      pauseFlag = true;
377      this.cyclePause++;
378      triggerPause(cont, true);
379    }).bind('mouseleave.cycle', function(){
380        pauseFlag && this.cyclePause--;
381        triggerPause(cont, true);
382    });
383
384  if (supportMultiTransitions(opts) === false)
385    return false;
386
387  // apparently a lot of people use image slideshows without height/width attributes on the images.
388  // Cycle 2.50+ requires the sizing info for every slide; this block tries to deal with that.
389  var requeue = false;
390  options.requeueAttempts = options.requeueAttempts || 0;
391  $slides.each(function() {
392    // try to get height/width of each slide
393    var $el = $(this);
394    this.cycleH = (opts.fit && opts.height) ? opts.height : ($el.height() || this.offsetHeight || this.height || $el.attr('height') || 0);
395    this.cycleW = (opts.fit && opts.width) ? opts.width : ($el.width() || this.offsetWidth || this.width || $el.attr('width') || 0);
396
397    if ( $el.is('img') ) {
398      // sigh..  sniffing, hacking, shrugging...  this crappy hack tries to account for what browsers do when
399      // an image is being downloaded and the markup did not include sizing info (height/width attributes);
400      // there seems to be some "default" sizes used in this situation
401      var loadingIE = ($.browser.msie  && this.cycleW == 28 && this.cycleH == 30 && !this.complete);
402      var loadingFF = ($.browser.mozilla && this.cycleW == 34 && this.cycleH == 19 && !this.complete);
403      var loadingOp = ($.browser.opera && ((this.cycleW == 42 && this.cycleH == 19) || (this.cycleW == 37 && this.cycleH == 17)) && !this.complete);
404      var loadingOther = (this.cycleH == 0 && this.cycleW == 0 && !this.complete);
405      // don't requeue for images that are still loading but have a valid size
406      if (loadingIE || loadingFF || loadingOp || loadingOther) {
407        if (o.s && opts.requeueOnImageNotLoaded && ++options.requeueAttempts < 100) { // track retry count so we don't loop forever
408          log(options.requeueAttempts,' - img slide not loaded, requeuing slideshow: ', this.src, this.cycleW, this.cycleH);
409          setTimeout(function() {$(o.s,o.c).cycle(options)}, opts.requeueTimeout);
410          requeue = true;
411          return false; // break each loop
412        }
413        else {
414          log('could not determine size of image: '+this.src, this.cycleW, this.cycleH);
415        }
416      }
417    }
418    return true;
419  });
420
421  if (requeue)
422    return false;

423
424  opts.cssBefore = opts.cssBefore || {};
425  opts.cssAfter = opts.cssAfter || {};
426  opts.cssFirst = opts.cssFirst || {};
427  opts.animIn = opts.animIn || {};
428  opts.animOut = opts.animOut || {};
429
430  $slides.not(':eq('+first+')').css(opts.cssBefore);
431  $($slides[first]).css(opts.cssFirst);
432
433  if (opts.timeout) {
434    opts.timeout = parseInt(opts.timeout,10);
435    // ensure that timeout and speed settings are sane
436    if (opts.speed.constructor == String)
437      opts.speed = $.fx.speeds[opts.speed] || parseInt(opts.speed,10);
438    if (!opts.sync)
439      opts.speed = opts.speed / 2;
440    
441    var buffer = opts.fx == 'none' ? 0 : opts.fx == 'shuffle' ? 500 : 250;
442    while((opts.timeout - opts.speed) < buffer) // sanitize timeout
443      opts.timeout += opts.speed;
444  }
445  if (opts.easing)
446    opts.easeIn = opts.easeOut = opts.easing;
447  if (!opts.speedIn)
448    opts.speedIn = opts.speed;
449  if (!opts.speedOut)
450    opts.speedOut = opts.speed;
451
452  opts.slideCount = els.length;
453  opts.currSlide = opts.lastSlide = first;
454  if (opts.random) {
455    if (++opts.randomIndex == els.length)
456      opts.randomIndex = 0;
457    opts.nextSlide = opts.randomMap[opts.randomIndex];
458  }
459  else if (opts.backwards)
460    opts.nextSlide = opts.startingSlide == 0 ? (els.length-1) : opts.startingSlide-1;
461  else
462    opts.nextSlide = opts.startingSlide >= (els.length-1) ? 0 : opts.startingSlide+1;
463
464  // run transition init fn
465  if (!opts.multiFx) {
466    var init = $.fn.cycle.transitions[opts.fx];
467    if ($.isFunction(init))
468      init($cont, $slides, opts);
469    else if (opts.fx != 'custom' && !opts.multiFx) {
470      log('unknown transition: ' + opts.fx,'; slideshow terminating');
471      return false;
472    }
473  }
474
475  // fire artificial events
476  var e0 = $slides[first];
477  if (!opts.skipInitializationCallbacks) {
478    if (opts.before.length)
479      opts.before[0].apply(e0, [e0, e0, opts, true]);
480    if (opts.after.length)
481      opts.after[0].apply(e0, [e0, e0, opts, true]);
482  }
483  if (opts.next)
484    $(opts.next).bind(opts.prevNextEvent,function(){return advance(opts,1)});
485  if (opts.prev)
486    $(opts.prev).bind(opts.prevNextEvent,function(){return advance(opts,0)});
487  if (opts.pager || opts.pagerAnchorBuilder)
488    buildPager(els,opts);
489
490  exposeAddSlide(opts, els);
491
492  return opts;
493};
494
495// save off original opts so we can restore after clearing state
496function saveOriginalOpts(opts) {
497  opts.original = { before: [], after: [] };
498  opts.original.cssBefore = $.extend({}, opts.cssBefore);
499  opts.original.cssAfter  = $.extend({}, opts.cssAfter);
500  opts.original.animIn  = $.extend({}, opts.animIn);
501  opts.original.animOut   = $.extend({}, opts.animOut);
502  $.each(opts.before, function() { opts.original.before.push(this); });
503  $.each(opts.after,  function() { opts.original.after.push(this); });
504};
505
506function supportMultiTransitions(opts) {
507  var i, tx, txs = $.fn.cycle.transitions;
508  // look for multiple effects
509  if (opts.fx.indexOf(',') > 0) {
510    opts.multiFx = true;
511    opts.fxs = opts.fx.replace(/\s*/g,'').split(',');
512    // discard any bogus effect names
513    for (i=0; i < opts.fxs.length; i++) {
514      var fx = opts.fxs[i];
515      tx = txs[fx];
516      if (!tx || !txs.hasOwnProperty(fx) || !$.isFunction(tx)) {
517        log('discarding unknown transition: ',fx);
518        opts.fxs.splice(i,1);
519        i--;
520      }
521    }
522    // if we have an empty list then we threw everything away!
523    if (!opts.fxs.length) {
524      log('No valid transitions named; slideshow terminating.');
525      return false;
526    }
527  }
528  else if (opts.fx == 'all') {  // auto-gen the list of transitions
529    opts.multiFx = true;
530    opts.fxs = [];
531    for (p in txs) {
532      tx = txs[p];
533      if (txs.hasOwnProperty(p) && $.isFunction(tx))
534        opts.fxs.push(p);
535    }
536  }
537  if (opts.multiFx && opts.randomizeEffects) {
538    // munge the fxs array to make effect selection random
539    var r1 = Math.floor(Math.random() * 20) + 30;
540    for (i = 0; i < r1; i++) {
541      var r2 = Math.floor(Math.random() * opts.fxs.length);
542      opts.fxs.push(opts.fxs.splice(r2,1)[0]);
543    }
544    debug('randomized fx sequence: ',opts.fxs);
545  }
546  return true;
547};
548
549// provide a mechanism for adding slides after the slideshow has started
550function exposeAddSlide(opts, els) {
551  opts.addSlide = function(newSlide, prepend) {

552    var $s = $(newSlide), s = $s[0];
553    if (!opts.autostopCount)
554      opts.countdown++;
555    els[prepend?'unshift':'push'](s);
556    if (opts.els)
557      opts.els[prepend?'unshift':'push'](s); // shuffle needs this
558    opts.slideCount = els.length;
559
560    // add the slide to the random map and resort
561    if (opts.random) {
562      opts.randomMap.push(opts.slideCount-1);
563      opts.randomMap.sort(function(a,b) {return Math.random() - 0.5;});
564    }
565
566    $s.css('position','absolute');
567    $s[prepend?'prependTo':'appendTo'](opts.$cont);
568
569    if (prepend) {
570      opts.currSlide++;
571      opts.nextSlide++;
572    }
573
574    if (!$.support.opacity && opts.cleartype && !opts.cleartypeNoBg)
575      clearTypeFix($s);
576
577    if (opts.fit && opts.width)
578      $s.width(opts.width);
579    if (opts.fit && opts.height && opts.height != 'auto')
580      $s.height(opts.height);
581    s.cycleH = (opts.fit && opts.height) ? opts.height : $s.height();
582    s.cycleW = (opts.fit && opts.width) ? opts.width : $s.width();
583
584    $s.css(opts.cssBefore);
585
586    if (opts.pager || opts.pagerAnchorBuilder)
587      $.fn.cycle.createPagerAnchor(els.length-1, s, $(opts.pager), els, opts);
588
589    if ($.isFunction(opts.onAddSlide))
590      opts.onAddSlide($s);
591    else
592      $s.hide(); // default behavior
593  };
594}
595
596// reset internal state; we do this on every pass in order to support multiple effects
597$.fn.cycle.resetState = function(opts, fx) {
598  fx = fx || opts.fx;
599  opts.before = []; opts.after = [];
600  opts.cssBefore = $.extend({}, opts.original.cssBefore);
601  opts.cssAfter  = $.extend({}, opts.original.cssAfter);
602  opts.animIn = $.extend({}, opts.original.animIn);
603  opts.animOut   = $.extend({}, opts.original.animOut);
604  opts.fxFn = null;
605  $.each(opts.original.before, function() { opts.before.push(this); });
606  $.each(opts.original.after,  function() { opts.after.push(this); });
607
608  // re-init
609  var init = $.fn.cycle.transitions[fx];
610  if ($.isFunction(init))
611    init(opts.$cont, $(opts.elements), opts);
612};
613
614// this is the main engine fn, it handles the timeouts, callbacks and slide index mgmt
615function go(els, opts, manual, fwd) {
616  var p = opts.$cont[0], curr = els[opts.currSlide], next = els[opts.nextSlide];
617
618  // opts.busy is true if we're in the middle of an animation
619  if (manual && opts.busy && opts.manualTrump) {
620    // let manual transitions requests trump active ones
621    debug('manualTrump in go(), stopping active transition');
622    $(els).stop(true,true);
623    opts.busy = 0;
624    clearTimeout(p.cycleTimeout);
625  }
626
627  // don't begin another timeout-based transition if there is one active
628  if (opts.busy) {
629    debug('transition active, ignoring new tx request');
630    return;
631  }
632
633
634  // stop cycling if we have an outstanding stop request
635  if (p.cycleStop != opts.stopCount || p.cycleTimeout === 0 && !manual)
636    return;
637
638  // check to see if we should stop cycling based on autostop options
639  if (!manual && !p.cyclePause && !opts.bounce &&
640    ((opts.autostop && (--opts.countdown <= 0)) ||
641    (opts.nowrap && !opts.random && opts.nextSlide < opts.currSlide))) {
642    if (opts.end)
643      opts.end(opts);
644    return;
645  }
646
647  // if slideshow is paused, only transition on a manual trigger
648  var changed = false;
649  if ((manual || !p.cyclePause) && (opts.nextSlide != opts.currSlide)) {
650    changed = true;
651    var fx = opts.fx;
652    // keep trying to get the slide size if we don't have it yet
653    curr.cycleH = curr.cycleH || $(curr).height();
654    curr.cycleW = curr.cycleW || $(curr).width();
655    next.cycleH = next.cycleH || $(next).height();
656    next.cycleW = next.cycleW || $(next).width();
657
658    // support multiple transition types
659    if (opts.multiFx) {
660      if (fwd && (opts.lastFx == undefined || ++opts.lastFx >= opts.fxs.length))
661        opts.lastFx = 0;
662      else if (!fwd && (opts.lastFx == undefined || --opts.lastFx < 0))
663        opts.lastFx = opts.fxs.length - 1;
664      fx = opts.fxs[opts.lastFx];
665    }
666
667    // one-time fx overrides apply to:  $('div').cycle(3,'zoom');
668    if (opts.oneTimeFx) {
669      fx = opts.oneTimeFx;
670      opts.oneTimeFx = null;
671    }
672
673    $.fn.cycle.resetState(opts, fx);
674
675    // run the before callbacks
676    if (opts.before.length)
677      $.each(opts.before, function(i,o) {
678        if (p.cycleStop != opts.stopCount) return;
679        o.apply(next, [curr, next, opts, fwd]);
680      });
681
682    // stage the after callacks
683    var after = function() {
684      opts.busy = 0;
685      $.each(opts.after, function(i,o) {
686        if (p.cycleStop != opts.stopCount) return;
687        o.apply(next, [curr, next, opts, fwd]);
688      });
689      if (!p.cycleStop) {
690        // queue next transition
691        queueNext();
692      }
693    };
694
695    debug('tx firing('+fx+'); currSlide: ' + opts.currSlide + '; nextSlide: ' + opts.nextSlide);
696    
697    // get ready to perform the transition
698    opts.busy = 1;
699    if (opts.fxFn) // fx function provided?
700      opts.fxFn(curr, next, opts, after, fwd, manual && opts.fastOnEvent);
701    else if ($.isFunction($.fn.cycle[opts.fx])) // fx plugin ?
702      $.fn.cycle[opts.fx](curr, next, opts, after, fwd, manual && opts.fastOnEvent);
703    else
704      $.fn.cycle.custom(curr, next, opts, after, fwd, manual && opts.fastOnEvent);
705  }
706  else {
707    queueNext();
708  }
709
710  if (changed || opts.nextSlide == opts.currSlide) {
711    // calculate the next slide
712    opts.lastSlide = opts.currSlide;
713    if (opts.random) {
714      opts.currSlide = opts.nextSlide;
715      if (++opts.randomIndex == els.length) {
716        opts.randomIndex = 0;
717        opts.randomMap.sort(function(a,b) {return Math.random() - 0.5;});
718      }
719      opts.nextSlide = opts.randomMap[opts.randomIndex];
720      if (opts.nextSlide == opts.currSlide)
721        opts.nextSlide = (opts.currSlide == opts.slideCount - 1) ? 0 : opts.currSlide + 1;
722    }
723    else if (opts.backwards) {
724      var roll = (opts.nextSlide - 1) < 0;
725      if (roll && opts.bounce) {
726        opts.backwards = !opts.backwards;
727        opts.nextSlide = 1;
728        opts.currSlide = 0;
729      }
730      else {
731        opts.nextSlide = roll ? (els.length-1) : opts.nextSlide-1;
732        opts.currSlide = roll ? 0 : opts.nextSlide+1;
733      }
734    }
735    else { // sequence
736      var roll = (opts.nextSlide + 1) == els.length;
737      if (roll && opts.bounce) {
738        opts.backwards = !opts.backwards;
739        opts.nextSlide = els.length-2;
740        opts.currSlide = els.length-1;
741      }
742      else {
743        opts.nextSlide = roll ? 0 : opts.nextSlide+1;
744        opts.currSlide = roll ? els.length-1 : opts.nextSlide-1;
745      }
746    }
747  }
748  if (changed && opts.pager)
749    opts.updateActivePagerLink(opts.pager, opts.currSlide, opts.activePagerClass);
750  
751  function queueNext() {
752    // stage the next transition
753    var ms = 0, timeout = opts.timeout;
754    if (opts.timeout && !opts.continuous) {
755      ms = getTimeout(els[opts.currSlide], els[opts.nextSlide], opts, fwd);
756         if (opts.fx == 'shuffle')
757            ms -= opts.speedOut;
758      }
759    else if (opts.continuous && p.cyclePause) // continuous shows work off an after callback, not this timer logic
760      ms = 10;
761    if (ms > 0)
762      p.cycleTimeout = setTimeout(function(){ go(els, opts, 0, !opts.backwards) }, ms);
763  }
764};
765
766// invoked after transition
767$.fn.cycle.updateActivePagerLink = function(pager, currSlide, clsName) {
768   $(pager).each(function() {
769       $(this).children().removeClass(clsName).eq(currSlide).addClass(clsName);
770   });
771};
772
773// calculate timeout value for current transition
774function getTimeout(curr, next, opts, fwd) {
775  if (opts.timeoutFn) {
776    // call user provided calc fn
777    var t = opts.timeoutFn.call(curr,curr,next,opts,fwd);
778    while (opts.fx != 'none' && (t - opts.speed) < 250) // sanitize timeout
779      t += opts.speed;

780    debug('calculated timeout: ' + t + '; speed: ' + opts.speed);
781    if (t !== false)
782      return t;
783  }
784  return opts.timeout;
785};
786
787// expose next/prev function, caller must pass in state
788$.fn.cycle.next = function(opts) { advance(opts,1); };
789$.fn.cycle.prev = function(opts) { advance(opts,0);};
790
791// advance slide forward or back
792function advance(opts, moveForward) {
793  var val = moveForward ? 1 : -1;
794  var els = opts.elements;
795  var p = opts.$cont[0], timeout = p.cycleTimeout;
796  if (timeout) {
797    clearTimeout(timeout);
798    p.cycleTimeout = 0;
799  }
800  if (opts.random && val < 0) {
801    // move back to the previously display slide
802    opts.randomIndex--;
803    if (--opts.randomIndex == -2)
804      opts.randomIndex = els.length-2;
805    else if (opts.randomIndex == -1)
806      opts.randomIndex = els.length-1;
807    opts.nextSlide = opts.randomMap[opts.randomIndex];
808  }
809  else if (opts.random) {
810    opts.nextSlide = opts.randomMap[opts.randomIndex];
811  }
812  else {
813    opts.nextSlide = opts.currSlide + val;
814    if (opts.nextSlide < 0) {
815      if (opts.nowrap) return false;
816      opts.nextSlide = els.length - 1;
817    }
818    else if (opts.nextSlide >= els.length) {
819      if (opts.nowrap) return false;
820      opts.nextSlide = 0;
821    }
822  }
823
824  var cb = opts.onPrevNextEvent || opts.prevNextClick; // prevNextClick is deprecated
825  if ($.isFunction(cb))
826    cb(val > 0, opts.nextSlide, els[opts.nextSlide]);
827  go(els, opts, 1, moveForward);
828  return false;
829};
830
831function buildPager(els, opts) {
832  var $p = $(opts.pager);
833  $.each(els, function(i,o) {
834    $.fn.cycle.createPagerAnchor(i,o,$p,els,opts);
835  });
836  opts.updateActivePagerLink(opts.pager, opts.startingSlide, opts.activePagerClass);
837};
838
839$.fn.cycle.createPagerAnchor = function(i, el, $p, els, opts) {
840  var a;
841  if ($.isFunction(opts.pagerAnchorBuilder)) {
842    a = opts.pagerAnchorBuilder(i,el);
843    debug('pagerAnchorBuilder('+i+', el) returned: ' + a);
844  }
845  else
846    a = '<a href="#">'+(i+1)+'</a>';
847    
848  if (!a)
849    return;
850  var $a = $(a);
851  // don't reparent if anchor is in the dom
852  if ($a.parents('body').length === 0) {
853    var arr = [];
854    if ($p.length > 1) {
855      $p.each(function() {
856        var $clone = $a.clone(true);
857        $(this).append($clone);
858        arr.push($clone[0]);
859      });
860      $a = $(arr);
861    }
862    else {
863      $a.appendTo($p);
864    }
865  }
866
867  opts.pagerAnchors =  opts.pagerAnchors || [];
868  opts.pagerAnchors.push($a);
869  
870  var pagerFn = function(e) {
871    e.preventDefault();
872    opts.nextSlide = i;
873    var p = opts.$cont[0], timeout = p.cycleTimeout;
874    if (timeout) {
875      clearTimeout(timeout);
876      p.cycleTimeout = 0;
877    }
878    var cb = opts.onPagerEvent || opts.pagerClick; // pagerClick is deprecated
879    if ($.isFunction(cb))
880      cb(opts.nextSlide, els[opts.nextSlide]);
881    go(els,opts,1,opts.currSlide < i); // trigger the trans
882//    return false; // <== allow bubble
883  };
884  
885  if ( /mouseenter|mouseover/i.test(opts.pagerEvent) ) {
886    $a.hover(pagerFn, function(){/* no-op */} );
887  }
888  else {
889    $a.bind(opts.pagerEvent, pagerFn);
890  }
891  
892  if ( ! /^click/.test(opts.pagerEvent) && !opts.allowPagerClickBubble)
893    $a.bind('click.cycle', function(){return false;}); // suppress click
894  
895  var cont = opts.$cont[0];
896  var pauseFlag = false; // https://github.com/malsup/cycle/issues/44
897  if (opts.pauseOnPagerHover) {
898    $a.hover(
899      function() { 
900        pauseFlag = true;
901        cont.cyclePause++; 
902        triggerPause(cont,true,true);
903      }, function() { 
904        pauseFlag && cont.cyclePause--; 
905        triggerPause(cont,true,true);
906      } 
907    );
908  }
909};
910
911// helper fn to calculate the number of slides between the current and the next
912$.fn.cycle.hopsFromLast = function(opts, fwd) {
913  var hops, l = opts.lastSlide, c = opts.currSlide;
914  if (fwd)
915    hops = c > l ? c - l : opts.slideCount - l;
916  else
917    hops = c < l ? l - c : l + opts.slideCount - c;
918  return hops;
919};
920
921// fix clearType problems in ie6 by setting an explicit bg color
922// (otherwise text slides look horrible during a fade transition)
923function clearTypeFix($slides) {
924  debug('applying clearType background-color hack');
925  function hex(s) {
926    s = parseInt(s,10).toString(16);
927    return s.length < 2 ? '0'+s : s;
928  };
929  function getBg(e) {
930    for ( ; e && e.nodeName.toLowerCase() != 'html'; e = e.parentNode) {
931      var v = $.css(e,'background-color');
932      if (v && v.indexOf('rgb') >= 0 ) {
933        var rgb = v.match(/\d+/g);
934        return '#'+ hex(rgb[0]) + hex(rgb[1]) + hex(rgb[2]);
935      }
936      if (v && v != 'transparent')
937        return v;
938    }
939    return '#ffffff';
940  };
941  $slides.each(function() { $(this).css('background-color', getBg(this)); });
942};
943
944// reset common props before the next transition
945$.fn.cycle.commonReset = function(curr,next,opts,w,h,rev) {
946  $(opts.elements).not(curr).hide();
947  if (typeof opts.cssBefore.opacity == 'undefined')
948    opts.cssBefore.opacity = 1;
949  opts.cssBefore.display = 'block';
950  if (opts.slideResize && w !== false && next.cycleW > 0)
951    opts.cssBefore.width = next.cycleW;
952  if (opts.slideResize && h !== false && next.cycleH > 0)
953    opts.cssBefore.height = next.cycleH;
954  opts.cssAfter = opts.cssAfter || {};
955  opts.cssAfter.display = 'none';
956  $(curr).css('zIndex',opts.slideCount + (rev === true ? 1 : 0));
957  $(next).css('zIndex',opts.slideCount + (rev === true ? 0 : 1));
958};
959
960// the actual fn for effecting a transition
961$.fn.cycle.custom = function(curr, next, opts, cb, fwd, speedOverride) {
962  var $l = $(curr), $n = $(next);
963  var speedIn = opts.speedIn, speedOut = opts.speedOut, easeIn = opts.easeIn, easeOut = opts.easeOut;
964  $n.css(opts.cssBefore);
965  if (speedOverride) {
966    if (typeof speedOverride == 'number')
967      speedIn = speedOut = speedOverride;
968    else
969      speedIn = speedOut = 1;
970    easeIn = easeOut = null;
971  }
972  var fn = function() {
973    $n.animate(opts.animIn, speedIn, easeIn, function() {
974      cb();
975    });
976  };
977  $l.animate(opts.animOut, speedOut, easeOut, function() {
978    $l.css(opts.cssAfter);
979    if (!opts.sync) 
980      fn();
981  });
982  if (opts.sync) fn();
983};
984
985// transition definitions - only fade is defined here, transition pack defines the rest
986$.fn.cycle.transitions = {
987  fade: function($cont, $slides, opts) {
988    $slides.not(':eq('+opts.currSlide+')').css('opacity',0);
989    opts.before.push(function(curr,next,opts) {
990      $.fn.cycle.commonReset(curr,next,opts);
991      opts.cssBefore.opacity = 0;
992    });
993    opts.animIn    = { opacity: 1 };
994    opts.animOut   = { opacity: 0 };
995    opts.cssBefore = { top: 0, left: 0 };
996  }
997};
998
999$.fn.cycle.ver = function() { return ver; };
1000
1001// override these globally if you like (they are all optional)
1002$.fn.cycle.defaults = {

1003  activePagerClass: 'activeSlide', // class name used for the active pager link
1004  after:       null,  // transition callback (scope set to element that was shown):  function(currSlideElement, nextSlideElement, options, forwardFlag)
1005  allowPagerClickBubble: false, // allows or prevents click event on pager anchors from bubbling
1006  animIn:      null,  // properties that define how the slide animates in
1007  animOut:     null,  // properties that define how the slide animates out
1008  aspect:      false,  // preserve aspect ratio during fit resizing, cropping if necessary (must be used with fit option)
1009  autostop:    0,   // true to end slideshow after X transitions (where X == slide count)
1010  autostopCount: 0,   // number of transitions (optionally used with autostop to define X)
1011  backwards:     false, // true to start slideshow at last slide and move backwards through the stack
1012  before:      null,  // transition callback (scope set to element to be shown):   function(currSlideElement, nextSlideElement, options, forwardFlag)
1013  center:      null,  // set to true to have cycle add top/left margin to each slide (use with width and height options)
1014  cleartype:     !$.support.opacity,  // true if clearType corrections should be applied (for IE)
1015  cleartypeNoBg: false, // set to true to disable extra cleartype fixing (leave false to force background color setting on slides)
1016  containerResize: 1,   // resize container to fit largest slide
1017  continuous:    0,   // true to start next transition immediately after current one completes
1018  cssAfter:    null,  // properties that defined the state of the slide after transitioning out
1019  cssBefore:     null,  // properties that define the initial state of the slide before transitioning in
1020  delay:       0,   // additional delay (in ms) for first transition (hint: can be negative)
1021  easeIn:      null,  // easing for "in" transition
1022  easeOut:     null,  // easing for "out" transition
1023  easing:      null,  // easing method for both in and out transitions
1024  end:       null,  // callback invoked when the slideshow terminates (use with autostop or nowrap options): function(options)
1025  fastOnEvent:   0,   // force fast transitions when triggered manually (via pager or prev/next); value == time in ms
1026  fit:       0,   // force slides to fit container
1027  fx:       'fade', // name of transition effect (or comma separated names, ex: 'fade,scrollUp,shuffle')
1028  fxFn:      null,  // function used to control the transition: function(currSlideElement, nextSlideElement, options, afterCalback, forwardFlag)
1029  height:     'auto', // container height (if the 'fit' option is true, the slides will be set to this height as well)
1030  manualTrump:   true,  // causes manual transition to stop an active transition instead of being ignored
1031  metaAttr:     'cycle',// data- attribute that holds the option data for the slideshow
1032  next:      null,  // element, jQuery object, or jQuery selector string for the element to use as event trigger for next slide
1033  nowrap:      0,   // true to prevent slideshow from wrapping
1034  onPagerEvent:  null,  // callback fn for pager events: function(zeroBasedSlideIndex, slideElement)
1035  onPrevNextEvent: null,// callback fn for prev/next events: function(isNext, zeroBasedSlideIndex, slideElement)
1036  pager:       null,  // element, jQuery object, or jQuery selector string for the element to use as pager container
1037  pagerAnchorBuilder: null, // callback fn for building anchor links:  function(index, DOMelement)
1038  pagerEvent:   'click.cycle', // name of event which drives the pager navigation
1039  pause:       0,   // true to enable "pause on hover"
1040  pauseOnPagerHover: 0, // true to pause when hovering over pager link
1041  prev:      null,  // element, jQuery object, or jQuery selector string for the element to use as event trigger for previous slide
1042  prevNextEvent:'click.cycle',// event which drives the manual transition to the previous or next slide
1043  random:      0,   // true for random, false for sequence (not applicable to shuffle fx)
1044  randomizeEffects: 1,  // valid when multiple effects are used; true to make the effect sequence random
1045  requeueOnImageNotLoaded: true, // requeue the slideshow if any image slides are not yet loaded
1046  requeueTimeout: 250,  // ms delay for requeue
1047  rev:       0,   // causes animations to transition in reverse (for effects that support it such as scrollHorz/scrollVert/shuffle)
1048  shuffle:     null,  // coords for shuffle animation, ex: { top:15, left: 200 }
1049  skipInitializationCallbacks: false, // set to true to disable the first before/after callback that occurs prior to any transition
1050  slideExpr:     null,  // expression for selecting slides (if something other than all children is required)
1051  slideResize:   1,     // force slide width/height to fixed size before every transition
1052  speed:       1000,  // speed of the transition (any valid fx speed value)
1053  speedIn:     null,  // speed of the 'in' transition
1054  speedOut:    null,  // speed of the 'out' transition
1055  startingSlide: undefined,   // zero-based index of the first slide to be displayed
1056  sync:      1,   // true if in/out transitions should occur simultaneously
1057  timeout:     4000,  // milliseconds between slide transitions (0 to disable auto advance)
1058  timeoutFn:     null,  // callback for determining per-slide timeout value:  function(currSlideElement, nextSlideElement, options, forwardFlag)
1059  updateActivePagerLink: null, // callback fn invoked to update the active pager link (adds/removes activePagerClass style)
1060  width:         null,   // container width (if the 'fit' option is true, the slides will be set to this width as well),
1061  video:       '.slideShowVideo'  // JIRA-11212 : Video option patch   
1062};
1063
1064})(jQuery);