https://www.phew.org.uk/wp-content/themes/phew/assets/js/lib/jquery.fancybox.js?ver=3.5.7

1// ==================================================
2// fancyBox v3.3.5
3//
4// Licensed GPLv3 for open source use
5// or fancyBox Commercial License for commercial use
6//
7// http://fancyapps.com/fancybox/
8// Copyright 2018 fancyApps
9//
10// ==================================================
11(function(window, document, $, undefined) {
12  "use strict";
13
14  window.console = window.console || {
15    info: function(stuff) {}
16  };
17
18  // If there's no jQuery, fancyBox can't work
19  // =========================================
20
21  if (!$) {
22    return;
23  }
24
25  // Check if fancyBox is already initialized
26  // ========================================
27
28  if ($.fn.fancybox) {
29    console.info("fancyBox already initialized");
30
31    return;
32  }
33
34  // Private default settings
35  // ========================
36
37  var defaults = {
38    // Enable infinite gallery navigation
39    loop: false,
40
41    // Horizontal space between slides
42    gutter: 50,
43
44    // Enable keyboard navigation
45    keyboard: true,
46
47    // Should display navigation arrows at the screen edges
48    arrows: true,
49
50    // Should display counter at the top left corner
51    infobar: true,
52
53    // Should display close button (using `btnTpl.smallBtn` template) over the content
54    // Can be true, false, "auto"
55    // If "auto" - will be automatically enabled for "html", "inline" or "ajax" items
56    smallBtn: "auto",
57
58    // Should display toolbar (buttons at the top)
59    // Can be true, false, "auto"
60    // If "auto" - will be automatically hidden if "smallBtn" is enabled
61    toolbar: "auto",
62
63    // What buttons should appear in the top right corner.
64    // Buttons will be created using templates from `btnTpl` option
65    // and they will be placed into toolbar (class="fancybox-toolbar"` element)
66    buttons: [
67      "zoom",
68      //"share",
69      //"slideShow",
70      //"fullScreen",
71      //"download",
72      "thumbs",
73      "close"
74    ],
75
76    // Detect "idle" time in seconds
77    idleTime: 3,
78
79    // Disable right-click and use simple image protection for images
80    protect: false,
81
82    // Shortcut to make content "modal" - disable keyboard navigtion, hide buttons, etc
83    modal: false,
84
85    image: {
86      // Wait for images to load before displaying
87      //   true  - wait for image to load and then display;
88      //   false - display thumbnail and load the full-sized image over top,
89      //           requires predefined image dimensions (`data-width` and `data-height` attributes)
90      preload: false
91    },
92
93    ajax: {
94      // Object containing settings for ajax request
95      settings: {
96        // This helps to indicate that request comes from the modal
97        // Feel free to change naming
98        data: {
99          fancybox: true
100        }
101      }
102    },
103
104    iframe: {
105      // Iframe template
106      tpl:
107        '<iframe id="fancybox-frame{rnd}" name="fancybox-frame{rnd}" class="fancybox-iframe" frameborder="0" vspace="0" hspace="0" webkitAllowFullScreen mozallowfullscreen allowFullScreen allowtransparency="true" src=""></iframe>',
108
109      // Preload iframe before displaying it
110      // This allows to calculate iframe content width and height
111      // (note: Due to "Same Origin Policy", you can't get cross domain data).
112      preload: true,
113
114      // Custom CSS styling for iframe wrapping element
115      // You can use this to set custom iframe dimensions
116      css: {},
117
118      // Iframe tag attributes
119      attr: {
120        scrolling: "auto"
121      }
122    },
123
124    // Default content type if cannot be detected automatically
125    defaultType: "image",
126
127    // Open/close animation type
128    // Possible values:
129    //   false            - disable
130    //   "zoom"           - zoom images from/to thumbnail
131    //   "fade"
132    //   "zoom-in-out"
133    //
134    animationEffect: "zoom",
135
136    // Duration in ms for open/close animation
137    animationDuration: 366,
138
139    // Should image change opacity while zooming
140    // If opacity is "auto", then opacity will be changed if image and thumbnail have different aspect ratios
141    zoomOpacity: "auto",
142
143    // Transition effect between slides
144    //
145    // Possible values:
146    //   false            - disable
147    //   "fade'
148    //   "slide'
149    //   "circular'
150    //   "tube'
151    //   "zoom-in-out'
152    //   "rotate'
153    //
154    transitionEffect: "fade",
155
156    // Duration in ms for transition animation
157    transitionDuration: 366,
158
159    // Custom CSS class for slide element
160    slideClass: "",
161
162    // Custom CSS class for layout
163    baseClass: "",
164
165    // Base template for layout
166    baseTpl:
167      '<div class="fancybox-container" role="dialog" tabindex="-1">' +
168      '<div class="fancybox-bg"></div>' +
169      '<div class="fancybox-inner">' +
170      '<div class="fancybox-infobar">' +
171      "<span data-fancybox-index></span>&nbsp;/&nbsp;<span data-fancybox-count></span>" +
172      "</div>" +
173      '<div class="fancybox-toolbar">{{buttons}}</div>' +
174      '<div class="fancybox-navigation">{{arrows}}</div>' +
175      '<div class="fancybox-stage"></div>' +
176      '<div class="fancybox-caption"></div>' +
177      "</div>" +
178      "</div>",
179
180    // Loading indicator template
181    spinnerTpl: '<div class="fancybox-loading"></div>',
182
183    // Error message template
184    errorTpl: '<div class="fancybox-error"><p>{{ERROR}}</p></div>',
185
186    btnTpl: {
187      download:
188        '<a download data-fancybox-download class="fancybox-button fancybox-button--download" title="{{DOWNLOAD}}" href="javascript:;">' +
189        '<svg viewBox="0 0 40 40">' +
190        '<path d="M13,16 L20,23 L27,16 M20,7 L20,23 M10,24 L10,28 L30,28 L30,24" />' +
191        "</svg>" +
192        "</a>",
193
194      zoom:
195        '<button data-fancybox-zoom class="fancybox-button fancybox-button--zoom" title="{{ZOOM}}">' +
196        '<svg viewBox="0 0 40 40">' +
197        '<path d="M18,17 m-8,0 a8,8 0 1,0 16,0 a8,8 0 1,0 -16,0 M24,22 L31,29" />' +
198        "</svg>" +
199        "</button>",
200
201      close:
202        '<button data-fancybox-close class="fancybox-button fancybox-button--close" title="{{CLOSE}}">' +
203        '<svg viewBox="0 0 40 40">' +
204        '<path d="M10,10 L30,30 M30,10 L10,30" />' +
205        "</svg>" +
206        "</button>",
207
208      // This small close button will be appended to your html/inline/ajax content by default,
209      // if "smallBtn" option is not set to false
210      smallBtn:
211        '<button data-fancybox-close class="fancybox-close-small" title="{{CLOSE}}"><svg viewBox="0 0 32 32"><path d="M10,10 L22,22 M22,10 L10,22"></path></svg></button>',
212
213      // Arrows
214      arrowLeft:
215        '<a data-fancybox-prev class="fancybox-button fancybox-button--arrow_left" title="{{PREV}}" href="javascript:;">' +
216        '<svg viewBox="0 0 40 40">' +
217        '<path d="M18,12 L10,20 L18,28 M10,20 L30,20"></path>' +
218        "</svg>" +
219        "</a>",
220
221      arrowRight:
222        '<a data-fancybox-next class="fancybox-button fancybox-button--arrow_right" title="{{NEXT}}" href="javascript:;">' +
223        '<svg viewBox="0 0 40 40">' +
224        '<path d="M10,20 L30,20 M22,12 L30,20 L22,28"></path>' +
225        "</svg>" +
226        "</a>"
227    },
228
229    // Container is injected into this element
230    parentEl: "body",
231
232    // Focus handling
233    // ==============
234
235    // Try to focus on the first focusable element after opening
236    autoFocus: false,
237
238    // Put focus back to active element after closing
239    backFocus: true,
240
241    // Do not let user to focus on element outside modal content
242    trapFocus: true,
243
244    // Module specific options
245    // =======================
246
247    fullScreen: {
248      autoStart: false
249    },
250
251    // Set `touch: false` to disable dragging/swiping
252    touch: {
253      vertical: true, // Allow to drag content vertically
254      momentum: true // Continue movement after releasing mouse/touch when panning
255    },
256
257    // Hash value when initializing manually,
258    // set `false` to disable hash change
259    hash: null,
260
261    // Customize or add new media types
262    // Example:
263    /*
264        media : {
265            youtube : {
266                params : {
267                    autoplay : 0
268                }
269            }
270        }
271        */
272    media: {},
273
274    slideShow: {
275      autoStart: false,
276      speed: 4000
277    },
278
279    thumbs: {
280      autoStart: false, // Display thumbnails on opening
281      hideOnClose: true, // Hide thumbnail grid when closing animation starts
282      parentEl: ".fancybox-container", // Container is injected into this element
283      axis: "y" // Vertical (y) or horizontal (x) scrolling
284    },
285
286    // Use mousewheel to navigate gallery
287    // If 'auto' - enabled for images only
288    wheel: "auto",
289
290    // Callbacks
291    //==========
292
293    // See Documentation/API/Events for more information
294    // Example:
295    /*
296		afterShow: function( instance, current ) {
297			console.info( 'Clicked element:' );
298			console.info( current.opts.$orig );
299		}
300	*/
301
302    onInit: $.noop, // When instance has been initialized
303
304    beforeLoad: $.noop, // Before the content of a slide is being loaded
305    afterLoad: $.noop, // When the content of a slide is done loading
306
307    beforeShow: $.noop, // Before open animation starts
308    afterShow: $.noop, // When content is done loading and animating
309
310    beforeClose: $.noop, // Before the instance attempts to close. Return false to cancel the close.
311    afterClose: $.noop, // After instance has been closed
312
313    onActivate: $.noop, // When instance is brought to front
314    onDeactivate: $.noop, // When other instance has been activated
315
316    // Interaction
317    // ===========
318
319    // Use options below to customize taken action when user clicks or double clicks on the fancyBox area,
320    // each option can be string or method that returns value.
321    //
322    // Possible values:
323    //   "close"           - close instance
324    //   "next"            - move to next gallery item
325    //   "nextOrClose"     - move to next gallery item or close if gallery has only one item
326    //   "toggleControls"  - show/hide controls
327    //   "zoom"            - zoom image (if loaded)
328    //   false             - do nothing
329
330    // Clicked on the content
331    clickContent: function(current, event) {
332      return current.type === "image" ? "zoom" : false;
333    },
334
335    // Clicked on the slide
336    clickSlide: "close",
337
338    // Clicked on the background (backdrop) element;
339    // if you have not changed the layout, then most likely you need to use `clickSlide` option
340    clickOutside: "close",
341
342    // Same as previous two, but for double click
343    dblclickContent: false,
344    dblclickSlide: false,
345    dblclickOutside: false,
346
347    // Custom options when mobile device is detected
348    // =============================================
349
350    mobile: {
351      idleTime: false,
352      clickContent: function(current, event) {
353        return current.type === "image" ? "toggleControls" : false;

388hmal.",
389        PLAY_START: "Diaschau starten",
390        PLAY_STOP: "Diaschau beenden",
391        FULL_SCREEN: "Vollbild",
392        THUMBS: "Vorschaubilder",
393        DOWNLOAD: "Herunterladen",
394        SHARE: "Teilen",
395        ZOOM: "Maßstab"
396      }
397    }
398  };
399
400  // Few useful variables and methods
401  // ================================
402
403  var $W = $(window);
404  var $D = $(document);
405
406  var called = 0;
407
408  // Check if an object is a jQuery object and not a native JavaScript object
409  // ========================================================================
410  var isQuery = function(obj) {
411    return obj && obj.hasOwnProperty && obj instanceof $;
412  };
413
414  // Handle multiple browsers for "requestAnimationFrame" and "cancelAnimationFrame"
415  // ===============================================================================
416  var requestAFrame = (function() {
417    return (
418      window.requestAnimationFrame ||
419      window.webkitRequestAnimationFrame ||
420      window.mozRequestAnimationFrame ||
421      window.oRequestAnimationFrame ||
422      // if all else fails, use setTimeout
423      function(callback) {
424        return window.setTimeout(callback, 1000 / 60);
425      }
426    );
427  })();
428
429  // Detect the supported transition-end event property name
430  // =======================================================
431  var transitionEnd = (function() {
432    var el = document.createElement("fakeelement"),
433      t;
434
435    var transitions = {
436      transition: "transitionend",
437      OTransition: "oTransitionEnd",
438      MozTransition: "transitionend",
439      WebkitTransition: "webkitTransitionEnd"
440    };
441
442    for (t in transitions) {
443      if (el.style[t] !== undefined) {
444        return transitions[t];
445      }
446    }
447
448    return "transitionend";
449  })();
450
451  // Force redraw on an element.
452  // This helps in cases where the browser doesn't redraw an updated element properly
453  // ================================================================================
454  var forceRedraw = function($el) {
455    return $el && $el.length && $el[0].offsetHeight;
456  };
457
458  // Exclude array (`buttons`) options from deep merging
459  // ===================================================
460  var mergeOpts = function(opts1, opts2) {
461    var rez = $.extend(true, {}, opts1, opts2);
462
463    $.each(opts2, function(key, value) {
464      if ($.isArray(value)) {
465        rez[key] = value;
466      }
467    });
468
469    return rez;
470  };
471
472  // Class definition
473  // ================
474
475  var FancyBox = function(content, opts, index) {
476    var self = this;
477
478    self.opts = mergeOpts({index: index}, $.fancybox.defaults);
479
480    if ($.isPlainObject(opts)) {
481      self.opts = mergeOpts(self.opts, opts);
482    }
483
484    if ($.fancybox.isMobile) {
485      self.opts = mergeOpts(self.opts, self.opts.mobile);
486    }
487
488    self.id = self.opts.id || ++called;
489
490    self.currIndex = parseInt(self.opts.index, 10) || 0;
491    self.prevIndex = null;
492
493    self.prevPos = null;
494    self.currPos = 0;
495
496    self.firstRun = true;
497
498    // All group items
499    self.group = [];
500
501    // Existing slides (for current, next and previous gallery items)
502    self.slides = {};
503
504    // Create group elements
505    self.addContent(content);
506
507    if (!self.group.length) {
508      return;
509    }
510
511    // Save last active element
512    self.$lastFocus = $(document.activeElement).trigger("blur");
513
514    self.init();
515  };
516
517  $.extend(FancyBox.prototype, {
518    // Create DOM structure
519    // ====================
520
521    init: function() {
522      var self = this,
523        firstItem = self.group[self.currIndex],
524        firstItemOpts = firstItem.opts,
525        scrollbarWidth = $.fancybox.scrollbarWidth,
526        $scrollDiv,
527        $container,
528        buttonStr;
529
530      // Hide scrollbars
531      // ===============
532
533      if (!$.fancybox.getInstance() && firstItemOpts.hideScrollbar !== false) {
534        $("body").addClass("fancybox-active");
535
536        if (!$.fancybox.isMobile && document.body.scrollHeight > window.innerHeight) {
537          if (scrollbarWidth === undefined) {
538            $scrollDiv = $('<div style="width:100px;height:100px;overflow:scroll;" />').appendTo("body");
539
540            scrollbarWidth = $.fancybox.scrollbarWidth = $scrollDiv[0].offsetWidth - $scrollDiv[0].clientWidth;
541
542            $scrollDiv.remove();
543          }
544
545          $("head").append(
546            '<style id="fancybox-style-noscroll" type="text/css">.compensate-for-scrollbar { margin-right: ' +
547              scrollbarWidth +
548              "px; }</style>"
549          );
550
551          $("body").addClass("compensate-for-scrollbar");
552        }
553      }
554
555      // Build html markup and set references
556      // ====================================
557
558      // Build html code for buttons and insert into main template
559      buttonStr = "";
560
561      $.each(firstItemOpts.buttons, function(index, value) {
562        buttonStr += firstItemOpts.btnTpl[value] || "";
563      });
564
565      // Create markup from base template, it will be initially hidden to
566      // avoid unnecessary work like painting while initializing is not complete
567      $container = $(
568        self.translate(
569          self,
570          firstItemOpts.baseTpl
571            .replace("{{buttons}}", buttonStr)
572            .replace("{{arrows}}", firstItemOpts.btnTpl.arrowLeft + firstItemOpts.btnTpl.arrowRight)
573        )
574      )
575        .attr("id", "fancybox-container-" + self.id)
576        .addClass("fancybox-is-hidden")
577        .addClass(firstItemOpts.baseClass)
578        .data("FancyBox", self)
579        .appendTo(firstItemOpts.parentEl);
580
581      // Create object holding references to jQuery wrapped nodes
582      self.$refs = {
583        container: $container
584      };
585
586      ["bg", "inner", "infobar", "toolbar", "stage", "caption", "navigation"].forEach(function(item) {
587        self.$refs[item] = $container.find(".fancybox-" + item);
588      });
589
590      self.trigger("onInit");
591
592      // Enable events, deactive previous instances
593      self.activate();
594
595      // Build slides, load and reveal content
596      self.jumpTo(self.currIndex);
597    },
598
599    // Simple i18n support - replaces object keys found in template
600    // with corresponding values
601    // ============================================================
602
603    translate: function(obj, str) {
604      var arr = obj.opts.i18n[obj.opts.lang];
605
606      return str.replace(/\{\{(\w+)\}\}/g, function(match, n) {
607        var value = arr[n];
608
609        if (value === undefined) {
610          return match;
611        }
612
613        return value;
614      });
615    },
616
617    // Populate current group with fresh content
618    // Check if each object has valid type and content
619    // ===============================================
620
621    addContent: function(content) {
622      var self = this,
623        items = $.makeArray(content),
624        thumbs;
625
626      $.each(items, function(i, item) {
627        var obj = {},
628          opts = {},
629          $item,
630          type,
631          found,
632          src,
633          srcParts;
634
635        // Step 1 - Make sure we have an object
636        // ====================================
637
638        if ($.isPlainObject(item)) {
639          // We probably have manual usage here, something like
640          // $.fancybox.open( [ { src : "image.jpg", type : "image" } ] )
641
642          obj = item;
643          opts = item.opts || item;
644        } else if ($.type(item) === "object" && $(item).length) {
645          // Here we probably have jQuery collection returned by some selector
646          $item = $(item);
647
648          // Support attributes like `data-options='{"touch" : false}'` and `data-touch='false'`
649          opts = $item.data() || {};
650          opts = $.extend(true, {}, opts, opts.options);
651
652          // Here we store clicked element
653          opts.$orig = $item;
654
655          obj.src = self.opts.src || opts.src || $item.attr("href");
656
657          // Assume that simple syntax is used, for example:
658          //   `$.fancybox.open( $("#test"), {} );`
659          if (!obj.type && !obj.src) {
660            obj.type = "inline";
661            obj.src = item;
662          }
663        } else {
664          // Assume we have a simple html code, for example:
665          //   $.fancybox.open( '<div><h1>Hi!</h1></div>' );
666          obj = {
667            type: "html",
668            src: item + ""
669          };
670        }
671
672        // Each gallery object has full collection of options
673        obj.opts = $.extend(true, {}, self.opts, opts);
674
675        // Do not merge buttons array
676        if ($.isArray(opts.buttons)) {
677          obj.opts.buttons = opts.buttons;
678        }
679
680        // Step 2 - Make sure we have content type, if not - try to guess
681        // ==============================================================
682
683        type = obj.type || obj.opts.type;
684        src = obj.src || "";
685
686        if (!type && src) {
687          if ((found = src.match(/\.(mp4|mov|ogv)((\?|#).*)?$/i))) {
688            type = "video";
689
690            if (!obj.opts.videoFormat) {
691              obj.opts.videoFormat = "video/" + (found[1] === "ogv" ? "ogg" : found[1]);
692            }
693          } else if (src.match(/(^data:image\/[a-z0-9+\/=]*,)|(\.(jp(e|g|eg)|gif|png|bmp|webp|svg|ico)((\?|#).*)?$)/i)) {
694            type = "image";
695          } else if (src.match(/\.(pdf)((\?|#).*)?$/i)) {
696            type = "iframe";
697          } else if (src.charAt(0) === "#") {
698            type = "inline";
699          }
700        }
701
702        if (type) {
703          obj.type = type;
704        } else {
705          self.trigger("objectNeedsType", obj);
706        }
707
708        if (!obj.contentType) {
709          obj.contentType = $.inArray(obj.type, ["html", "inline", "ajax"]) > -1 ? "html" : obj.type;
710        }
711
712        // Step 3 - Some adjustments
713        // =========================
714
715        obj.index = self.group.length;
716
717        if (obj.opts.smallBtn == "auto") {
718          obj.opts.smallBtn = $.inArray(obj.type, ["html", "inline", "ajax"]) > -1;
719        }
720
721        if (obj.opts.toolbar === "auto") {
722          obj.opts.toolbar = !obj.opts.smallBtn;
723        }
724
725        // Find thumbnail image
726        if (obj.opts.$trigger && obj.index === self.opts.index) {
727          obj.opts.$thumb = obj.opts.$trigger.find("img:first");
728        }
729
730        if ((!obj.opts.$thumb || !obj.opts.$thumb.length) && obj.opts.$orig) {
731          obj.opts.$thumb = obj.opts.$orig.find("img:first");
732        }
733
734        // "caption" is a "special" option, it can be used to customize caption per gallery item ..
735        if ($.type(obj.opts.caption) === "function") {
736          obj.opts.caption = obj.opts.caption.apply(item, [self, obj]);
737        }
738
739        if ($.type(self.opts.caption) === "function") {
740          obj.opts.caption = self.opts.caption.apply(item, [self, obj]);
741        }
742
743        // Make sure we have caption as a string or jQuery object
744        if (!(obj.opts.caption instanceof $)) {
745          obj.opts.caption = obj.opts.caption === undefined ? "" : obj.opts.caption + "";
746        }
747
748        // Check if url contains "filter" used to filter the content
749        // Example: "ajax.html #something"
750        if (obj.type === "ajax") {
751          srcParts = src.split(/\s+/, 2);
752
753          if (srcParts.length > 1) {
754            obj.src = srcParts.shift();
755
756            obj.opts.filter = srcParts.shift();
757          }
758        }
759
760        // Hide all buttons and disable interactivity for modal items
761        if (obj.opts.modal) {
762          obj.opts = $.extend(true, obj.opts, {
763            // Remove buttons
764            infobar: 0,
765            toolbar: 0,
766
767            smallBtn: 0,
768
769            // Disable keyboard navigation
770            keyboard: 0,
771
772            // Disable some modules
773            slideShow: 0,
774            fullScreen: 0,
775            thumbs: 0,
776            touch: 0,
777
778            // Disable click event handlers
779            clickContent: false,
780            clickSlide: false,
781            clickOutside: false,
782            dblclickContent: false,
783            dblclickSlide: false,
784            dblclickOutside: false
785          });
786        }
787
788        // Step 4 - Add processed object to group
789        // ======================================
790
791        self.group.push(obj);
792      });
793
794      // Update controls if gallery is already opened
795      if (Object.keys(self.slides).length) {
796        self.updateControls();
797
798        // Update thumbnails, if needed
799        thumbs = self.Thumbs;
800
801        if (thumbs && thumbs.isActive) {
802          thumbs.create();
803
804          thumbs.focus();
805        }
806      }
807    },
808
809    // Attach an event handler functions for:
810    //   - navigation buttons
811    //   - browser scrolling, resizing;
812    //   - focusing
813    //   - keyboard
814    //   - detect idle
815    // ======================================
816
817    addEvents: function() {
818      var self = this;
819
820      self.removeEvents();
821
822      // Make navigation elements clickable
823      self.$refs.container
824        .on("click.fb-close", "[data-fancybox-close]", function(e) {
825          e.stopPropagation();
826          e.preventDefault();
827
828          self.close(e);
829        })
830        .on("touchstart.fb-prev click.fb-prev", "[data-fancybox-prev]", function(e) {
831          e.stopPropagation();
832          e.preventDefault();
833
834          self.previous();
835        })
836        .on("touchstart.fb-next click.fb-next", "[data-fancybox-next]", function(e) {
837          e.stopPropagation();
838          e.preventDefault();
839
840          self.next();
841        })
842        .on("click.fb", "[data-fancybox-zoom]", function(e) {
843          // Click handler for zoom button
844          self[self.isScaledDown() ? "scaleToActual" : "scaleToFit"]();
845        });
846
847      // Handle page scrolling and browser resizing
848      $W.on("orientationchange.fb resize.fb", function(e) {
849        if (e && e.originalEvent && e.originalEvent.type === "resize") {
850          requestAFrame(function() {
851            self.update();
852          });
853        } else {
854          self.$refs.stage.hide();
855
856          setTimeout(function() {
857            self.$refs.stage.show();
858
859            self.update();
860          }, $.fancybox.isMobile ? 600 : 250);
861        }
862      });
863
864      // Trap keyboard focus inside of the modal, so the user does not accidentally tab outside of the modal
865      // (a.k.a. "escaping the modal")
866      $D.on("focusin.fb", function(e) {
867        var instance = $.fancybox ? $.fancybox.getInstance() : null;
868
869        if (
870          instance.isClosing ||
871          !instance.current ||
872          !instance.current.opts.trapFocus ||
873          $(e.target).hasClass("fancybox-container") ||
874          $(e.target).is(document)
875        ) {
876          return;
877        }
878
879        if (instance && $(e.target).css("position") !== "fixed" && !instance.$refs.container.has(e.target).length) {
880          e.stopPropagation();
881
882          instance.focus();
883        }
884      });
885
886      // Enable keyboard navigation
887      $D.on("keydown.fb", function(e) {
888        var current = self.current,
889          keycode = e.keyCode || e.which;
890
891        if (!current || !current.opts.keyboard) {
892          return;
893        }
894
895        if (e.ctrlKey || e.altKey || e.shiftKey || $(e.target).is("input") || $(e.target).is("textarea")) {
896          return;
897        }
898
899        // Backspace and Esc keys
900        if (keycode === 8 || keycode === 27) {
901          e.preventDefault();
902
903          self.close(e);
904
905          return;
906        }
907
908        // Left arrow and Up arrow
909        if (keycode === 37 || keycode === 38) {
910          e.preventDefault();
911
912          self.previous();
913
914          return;
915        }
916
917        // Righ arrow and Down arrow
918        if (keycode === 39 || keycode === 40) {
919          e.preventDefault();
920
921          self.next();
922
923          return;
924        }
925
926        self.trigger("afterKeydown", e, keycode);
927      });
928
929      // Hide controls after some inactivity period
930      if (self.group[self.currIndex].opts.idleTime) {
931        self.idleSecondsCounter = 0;
932
933        $D.on(
934          "mousemove.fb-idle mouseleave.fb-idle mousedown.fb-idle touchstart.fb-idle touchmove.fb-idle scroll.fb-idle keydown.fb-idle",
935          function(e) {
936            self.idleSecondsCounter = 0;
937
938            if (self.isIdle) {
939              self.showControls();
940            }
941
942            self.isIdle = false;
943          }
944        );
945
946        self.idleInterval = window.setInterval(function() {
947          self.idleSecondsCounter++;
948
949          if (self.idleSecondsCounter >= self.group[self.currIndex].opts.idleTime && !self.isDragging) {
950            self.isIdle = true;
951            self.idleSecondsCounter = 0;
952
953            self.hideControls();
954          }
955        }, 1000);
956      }
957    },
958
959    // Remove events added by the core
960    // ===============================
961
962    removeEvents: function() {
963      var self = this;
964
965      $W.off("orientationchange.fb resize.fb");
966      $D.off("focusin.fb keydown.fb .fb-idle");
967
968      this.$refs.container.off(".fb-close .fb-prev .fb-next");
969
970      if (self.idleInterval) {
971        window.clearInterval(self.idleInterval);
972
973        self.idleInterval = null;
974      }
975    },
976
977    // Change to previous gallery item
978    // ===============================
979
980    previous: function(duration) {
981      return this.jumpTo(this.currPos - 1, duration);
982    },
983
984    // Change to next gallery item
985    // ===========================
986
987    next: function(duration) {
988      return this.jumpTo(this.currPos + 1, duration);
989    },
990
991    // Switch to selected gallery item
992    // ===============================
993
994    jumpTo: function(pos, duration) {
995      var self = this,
996        groupLen = self.group.length,
997        firstRun,
998        loop,
999        current,
1000        previous,
1001        canvasWidth,
1002        currentPos,
1003        transitionProps;
1004
1005      if (self.isDragging || self.isClosing || (self.isAnimating && self.firstRun)) {
1006        return;
1007      }
1008
1009      pos = parseInt(pos, 10);
1010
1011      // Should loop?
1012      loop = self.current ? self.current.opts.loop : self.opts.loop;
1013
1014      if (!loop && (pos < 0 || pos >= groupLen)) {
1015        return false;

1182        $slide = $('<div class="fancybox-slide"></div>').appendTo(self.$refs.stage);
1183
1184        self.slides[pos] = $.extend(true, {}, self.group[index], {
1185          pos: pos,
1186          $slide: $slide,
1187          isLoaded: false
1188        });
1189
1190        self.updateSlide(self.slides[pos]);
1191      }
1192
1193      return self.slides[pos];
1194    },
1195
1196    // Scale image to the actual size of the image;
1197    // x and y values should be relative to the slide
1198    // ==============================================
1199
1200    scaleToActual: function(x, y, duration) {
1201      var self = this,
1202        current = self.current,
1203        $content = current.$content,
1204        canvasWidth = $.fancybox.getTranslate(current.$slide).width,
1205        canvasHeight = $.fancybox.getTranslate(current.$slide).height,
1206        newImgWidth = current.width,
1207        newImgHeight = current.height,
1208        imgPos,
1209        posX,
1210        posY,
1211        scaleX,
1212        scaleY;
1213
1214      if (self.isAnimating || !$content || !(current.type == "image" && current.isLoaded && !current.hasError)) {
1215        return;
1216      }
1217
1218      $.fancybox.stop($content);
1219
1220      self.isAnimating = true;
1221
1222      x = x === undefined ? canvasWidth * 0.5 : x;
1223      y = y === undefined ? canvasHeight * 0.5 : y;
1224
1225      imgPos = $.fancybox.getTranslate($content);
1226
1227      imgPos.top -= $.fancybox.getTranslate(current.$slide).top;
1228      imgPos.left -= $.fancybox.getTranslate(current.$slide).left;
1229
1230      scaleX = newImgWidth / imgPos.width;
1231      scaleY = newImgHeight / imgPos.height;
1232
1233      // Get center position for original image
1234      posX = canvasWidth * 0.5 - newImgWidth * 0.5;
1235      posY = canvasHeight * 0.5 - newImgHeight * 0.5;
1236
1237      // Make sure image does not move away from edges
1238      if (newImgWidth > canvasWidth) {
1239        posX = imgPos.left * scaleX - (x * scaleX - x);
1240
1241        if (posX > 0) {
1242          posX = 0;
1243        }
1244
1245        if (posX < canvasWidth - newImgWidth) {
1246          posX = canvasWidth - newImgWidth;
1247        }
1248      }
1249
1250      if (newImgHeight > canvasHeight) {
1251        posY = imgPos.top * scaleY - (y * scaleY - y);
1252
1253        if (posY > 0) {
1254          posY = 0;
1255        }
1256
1257        if (posY < canvasHeight - newImgHeight) {
1258          posY = canvasHeight - newImgHeight;
1259        }
1260      }
1261
1262      self.updateCursor(newImgWidth, newImgHeight);
1263
1264      $.fancybox.animate(
1265        $content,
1266        {
1267          top: posY,
1268          left: posX,
1269          scaleX: scaleX,
1270          scaleY: scaleY
1271        },
1272        duration || 330,
1273        function() {
1274          self.isAnimating = false;
1275        }
1276      );
1277
1278      // Stop slideshow
1279      if (self.SlideShow && self.SlideShow.isActive) {
1280        self.SlideShow.stop();
1281      }
1282    },
1283
1284    // Scale image to fit inside parent element
1285    // ========================================
1286
1287    scaleToFit: function(duration) {
1288      var self = this,
1289        current = self.current,
1290        $content = current.$content,
1291        end;
1292
1293      if (self.isAnimating || !$content || !(current.type == "image" && current.isLoaded && !current.hasError)) {
1294        return;
1295      }
1296
1297      $.fancybox.stop($content);
1298
1299      self.isAnimating = true;
1300
1301      end = self.getFitPos(current);
1302
1303      self.updateCursor(end.width, end.height);
1304
1305      $.fancybox.animate(
1306        $content,
1307        {
1308          top: end.top,
1309          left: end.left,
1310          scaleX: end.width / $content.width(),
1311          scaleY: end.height / $content.height()
1312        },
1313        duration || 330,
1314        function() {
1315          self.isAnimating = false;
1316        }
1317      );
1318    },
1319
1320    // Calculate image size to fit inside viewport
1321    // ===========================================
1322
1323    getFitPos: function(slide) {
1324      var self = this,
1325        $content = slide.$content,
1326        width = slide.width || slide.opts.width,
1327        height = slide.height || slide.opts.height,
1328        maxWidth,
1329        maxHeight,
1330        minRatio,
1331        margin,
1332        aspectRatio,
1333        rez = {};
1334
1335      if (!slide.isLoaded || !$content || !$content.length) {
1336        return false;
1337      }
1338
1339      margin = {
1340        top: parseInt(slide.$slide.css("paddingTop"), 10),
1341        right: parseInt(slide.$slide.css("paddingRight"), 10),
1342        bottom: parseInt(slide.$slide.css("paddingBottom"), 10),
1343        left: parseInt(slide.$slide.css("paddingLeft"), 10)
1344      };
1345
1346      // We can not use $slide width here, because it can have different diemensions while in transiton
1347      maxWidth = parseInt(self.$refs.stage.width(), 10) - (margin.left + margin.right);
1348      maxHeight = parseInt(self.$refs.stage.height(), 10) - (margin.top + margin.bottom);
1349
1350      if (!width || !height) {
1351        width = maxWidth;
1352        height = maxHeight;
1353      }
1354
1355      minRatio = Math.min(1, maxWidth / width, maxHeight / height);
1356
1357      // Use floor rounding to make sure it really fits
1358      width = Math.floor(minRatio * width);
1359      height = Math.floor(minRatio * height);
1360
1361      if (slide.type === "image") {
1362        rez.top = Math.floor((maxHeight - height) * 0.5) + margin.top;
1363        rez.left = Math.floor((maxWidth - width) * 0.5) + margin.left;
1364      } else if (slide.contentType === "video") {
1365        // Force aspect ratio for the video
1366        // "I say the whole world must learn of our peaceful ways… by force!"
1367        aspectRatio = slide.opts.width && slide.opts.height ? width / height : slide.opts.ratio || 16 / 9;
1368
1369        if (height > width / aspectRatio) {
1370          height = width / aspectRatio;
1371        } else if (width > height * aspectRatio) {
1372          width = height * aspectRatio;
1373        }
1374      }
1375
1376      rez.width = width;
1377      rez.height = height;
1378
1379      return rez;
1380    },
1381
1382    // Update content size and position for all slides
1383    // ==============================================
1384
1385    update: function() {
1386      var self = this;
1387
1388      $.each(self.slides, function(key, slide) {
1389        self.updateSlide(slide);
1390      });
1391    },
1392
1393    // Update slide content position and size
1394    // ======================================
1395
1396    updateSlide: function(slide, duration) {
1397      var self = this,
1398        $content = slide && slide.$content,
1399        width = slide.width || slide.opts.width,
1400        height = slide.height || slide.opts.height;
1401
1402      if ($content && (width || height || slide.contentType === "video") && !slide.hasError) {
1403        $.fancybox.stop($content);
1404
1405        $.fancybox.setTranslate($content, self.getFitPos(slide));
1406
1407        if (slide.pos === self.currPos) {
1408          self.isAnimating = false;

1821dth && $img[0].naturalHeight) {
1822        $img.trigger("load");
1823      } else if ($img[0].error) {
1824        $img.trigger("error");
1825      }
1826    },
1827
1828    // Computes the slide size from image size and maxWidth/maxHeight
1829    // ==============================================================
1830
1831    resolveImageSlideSize: function(slide, imgWidth, imgHeight) {
1832      var maxWidth = parseInt(slide.opts.width, 10),
1833        maxHeight = parseInt(slide.opts.height, 10);
1834
1835      // Sets the default values from the image
1836      slide.width = imgWidth;
1837      slide.height = imgHeight;
1838
1839      if (maxWidth > 0) {
1840        slide.width = maxWidth;
1841        slide.height = Math.floor(maxWidth * imgHeight / imgWidth);
1842      }
1843
1844      if (maxHeight > 0) {
1845        slide.width = Math.floor(maxHeight * imgWidth / imgHeight);
1846        slide.height = maxHeight;
1847      }
1848    },
1849
1850    // Create iframe wrapper, iframe and bindings
1851    // ==========================================
1852
1853    setIframe: function(slide) {
1854      var self = this,
1855        opts = slide.opts.iframe,
1856        $slide = slide.$slide,
1857        $iframe;
1858
1859      slide.$content = $('<div class="fancybox-content' + (opts.preload ? " fancybox-is-hidden" : "") + '"></div>')
1860        .css(opts.css)
1861        .appendTo($slide);
1862
1863      $slide.addClass("fancybox-slide--" + slide.contentType);
1864
1865      slide.$iframe = $iframe = $(opts.tpl.replace(/\{rnd\}/g, new Date().getTime()))
1866        .attr(opts.attr)
1867        .appendTo(slide.$content);
1868
1869      if (opts.preload) {
1870        self.showLoading(slide);
1871
1872        // Unfortunately, it is not always possible to determine if iframe is successfully loaded
1873        // (due to browser security policy)
1874
1875        $iframe.on("load.fb error.fb", function(e) {
1876          this.isReady = 1;
1877
1878          slide.$slide.trigger("refresh");
1879
1880          self.afterLoad(slide);
1881        });
1882
1883        // Recalculate iframe content size
1884        // ===============================
1885
1886        $slide.on("refresh.fb", function() {
1887          var $content = slide.$content,
1888            frameWidth = opts.css.width,
1889            frameHeight = opts.css.height,
1890            $contents,
1891            $body;
1892
1893          if ($iframe[0].isReady !== 1) {
1894            return;
1895          }
1896
1897          try {
1898            $contents = $iframe.contents();
1899            $body = $contents.find("body");
1900          } catch (ignore) {}
1901
1902          // Calculate contnet dimensions if it is accessible
1903          if ($body && $body.length && $body.children().length) {
1904            $content.css({
1905              width: "",
1906              height: ""
1907            });
1908
1909            if (frameWidth === undefined) {
1910              frameWidth = Math.ceil(Math.max($body[0].clientWidth, $body.outerWidth(true)));
1911            }
1912
1913            if (frameWidth) {
1914              $content.width(frameWidth);
1915            }
1916
1917            if (frameHeight === undefined) {
1918              frameHeight = Math.ceil(Math.max($body[0].clientHeight, $body.outerHeight(true)));
1919            }
1920
1921            if (frameHeight) {
1922              $content.height(frameHeight);
1923            }
1924          }
1925
1926          $content.removeClass("fancybox-is-hidden");
1927        });
1928      } else {
1929        this.afterLoad(slide);
1930      }
1931
1932      $iframe.attr("src", slide.src);
1933
1934      // Remove iframe if closing or changing gallery item
1935      $slide.one("onReset", function() {
1936        // This helps IE not to throw errors when closing
1937        try {
1938          $(this)
1939            .find("iframe")
1940            .hide()
1941            .unbind()
1942            .attr("src", "//about:blank");
1943        } catch (ignore) {}
1944
1945        $(this)
1946          .off("refresh.fb")
1947          .empty();
1948
1949        slide.isLoaded = false;
1950      });
1951    },
1952
1953    // Wrap and append content to the slide
1954    // ======================================
1955
1956    setContent: function(slide, content) {
1957      var self = this;
1958
1959      if (self.isClosing) {
1960        return;
1961      }
1962
1963      self.hideLoading(slide);
1964
1965      if (slide.$content) {
1966        $.fancybox.stop(slide.$content);
1967      }
1968
1969      slide.$slide.empty();
1970
1971      // If content is a jQuery object, then it will be moved to the slide.
1972      // The placeholder is created so we will know where to put it back.
1973      if (isQuery(content) && content.parent().length) {
1974        // Make sure content is not already moved to fancyBox
1975        content
1976          .parent()
1977          .parent(".fancybox-slide--inline")
1978          .trigger("onReset");
1979
1980        // Create temporary element marking original place of the content
1981        slide.$placeholder = $("<div>")
1982          .hide()
1983          .insertAfter(content);
1984
1985        // Make sure content is visible
1986        content.css("display", "inline-block");
1987      } else if (!slide.hasError) {
1988        // If content is just a plain text, try to convert it to html
1989        if ($.type(content) === "string") {
1990          content = $("<div>")
1991            .append($.trim(content))
1992            .contents();
1993
1994          // If we have text node, then add wrapping element to make vertical alignment work
1995          if (content[0].nodeType === 3) {
1996            content = $("<div>").html(content);
1997          }
1998        }
1999
2000        // If "filter" option is provided, then filter content
2001        if (slide.opts.filter) {
2002          content = $("<div>")
2003            .html(content)
2004            .find(slide.opts.filter);
2005        }
2006      }
2007
2008      slide.$slide.one("onReset", function() {
2009        // Pause all html5 video/audio
2010        $(this)
2011          .find("video,audio")
2012          .trigger("pause");
2013
2014        // Put content back
2015        if (slide.$placeholder) {
2016          slide.$placeholder.after(content.hide()).remove();
2017
2018          slide.$placeholder = null;
2019        }
2020
2021        // Remove custom close button
2022        if (slide.$smallBtn) {
2023          slide.$smallBtn.remove();
2024
2025          slide.$smallBtn = null;
2026        }
2027
2028        // Remove content and mark slide as not loaded
2029        if (!slide.hasError) {
2030          $(this).empty();
2031
2032          slide.isLoaded = false;
2033        }
2034      });
2035
2036      $(content).appendTo(slide.$slide);
2037
2038      if ($(content).is("video,audio")) {
2039        $(content).addClass("fancybox-video");
2040
2041        $(content).wrap("<div></div>");
2042
2043        slide.contentType = "video";
2044
2045        slide.opts.width = slide.opts.width || $(content).attr("width");
2046        slide.opts.height = slide.opts.height || $(content).attr("height");
2047      }
2048
2049      slide.$content = slide.$slide
2050        .children()
2051        .filter("div,form,main,video,audio")
2052        .first()
2053        .addClass("fancybox-content");
2054
2055      slide.$slide.addClass("fancybox-slide--" + slide.contentType);
2056
2057      this.afterLoad(slide);
2058    },
2059
2060    // Display error message
2061    // =====================
2062
2063    setError: function(slide) {
2064      slide.hasError = true;
2065
2066      slide.$slide
2067        .trigger("onReset")
2068        .removeClass("fancybox-slide--" + slide.contentType)
2069        .addClass("fancybox-slide--error");
2070
2071      slide.contentType = "html";
2072
2073      this.setContent(slide, this.translate(slide, slide.opts.errorTpl));
2074
2075      if (slide.pos === this.currPos) {
2076        this.isAnimating = false;
2077      }
2078    },
2079
2080    // Show loading icon inside the slide
2081    // ==================================
2082
2083    showLoading: function(slide) {
2084      var self = this;
2085
2086      slide = slide || self.current;
2087
2088      if (slide && !slide.$spinner) {
2089        slide.$spinner = $(self.translate(self, self.opts.spinnerTpl)).appendTo(slide.$slide);
2090      }
2091    },
2092
2093    // Remove loading icon from the slide
2094    // ==================================
2095
2096    hideLoading: function(slide) {
2097      var self = this;
2098
2099      slide = slide || self.current;
2100
2101      if (slide && slide.$spinner) {
2102        slide.$spinner.remove();
2103
2104        delete slide.$spinner;
2105      }
2106    },
2107
2108    // Adjustments after slide content has been loaded
2109    // ===============================================
2110
2111    afterLoad: function(slide) {
2112      var self = this;
2113
2114      if (self.isClosing) {
2115        return;
2116      }
2117
2118      slide.isLoading = false;
2119      slide.isLoaded = true;
2120
2121      self.trigger("afterLoad", slide);
2122
2123      self.hideLoading(slide);
2124
2125      if (slide.pos === self.currPos) {
2126        self.updateCursor();
2127      }
2128
2129      if (slide.opts.smallBtn && (!slide.$smallBtn || !slide.$smallBtn.length)) {
2130        slide.$smallBtn = $(self.translate(slide, slide.opts.btnTpl.smallBtn)).prependTo(slide.$content);
2131      }
2132
2133      if (slide.opts.protect && slide.$content && !slide.hasError) {
2134        // Disable right click
2135        slide.$content.on("contextmenu.fb", function(e) {
2136          if (e.button == 2) {
2137            e.preventDefault();
2138          }
2139
2140          return true;
2141        });
2142
2143        // Add fake element on top of the image
2144        // This makes a bit harder for user to select image
2145        if (slide.type === "image") {
2146          $('<div class="fancybox-spaceball"></div>').appendTo(slide.$content);
2147        }
2148      }
2149
2150      self.revealContent(slide);
2151    },
2152
2153    // Make content visible
2154    // This method is called right after content has been loaded or
2155    // user navigates gallery and transition should start
2156    // ============================================================
2157
2158    revealContent: function(slide) {
2159      var self = this,
2160        $slide = slide.$slide,
2161        end = false,
2162        start = false,
2163        effect,
2164        effectClassName,
2165        duration,
2166        opacity;
2167
2168      effect = slide.opts[self.firstRun ? "animationEffect" : "transitionEffect"];
2169      duration = slide.opts[self.firstRun ? "animationDuration" : "transitionDuration"];
2170
2171      duration = parseInt(slide.forcedDuration === undefined ? duration : slide.forcedDuration, 10);
2172
2173      // Do not animate if revealing the same slide
2174      if (slide.pos === self.currPos) {
2175        if (slide.isComplete) {
2176          effect = false;
2177        } else {
2178          self.isAnimating = true;
2179        }
2180      }
2181
2182      if (slide.isMoved || slide.pos !== self.currPos || !duration) {
2183        effect = false;

2535      self.updateCursor();
2536
2537      // Check if possible to zoom-out
2538      if (
2539        effect === "zoom" &&
2540        !(e !== true && $content && duration && current.type === "image" && !current.hasError && (end = self.getThumbPos(current)))
2541      ) {
2542        effect = "fade";
2543      }
2544
2545      if (effect === "zoom") {
2546        $.fancybox.stop($content);
2547
2548        domRect = $.fancybox.getTranslate($content);
2549
2550        start = {
2551          top: domRect.top,
2552          left: domRect.left,
2553          scaleX: domRect.width / end.width,
2554          scaleY: domRect.height / end.height,
2555          width: end.width,
2556          height: end.height
2557        };
2558
2559        // Check if we need to animate opacity
2560        opacity = current.opts.zoomOpacity;
2561
2562        if (opacity == "auto") {
2563          opacity = Math.abs(current.width / current.height - end.width / end.height) > 0.1;
2564        }
2565
2566        if (opacity) {
2567          end.opacity = 0;
2568        }
2569
2570        $.fancybox.setTranslate($content, start);
2571
2572        forceRedraw($content);
2573
2574        $.fancybox.animate($content, end, duration, done);
2575
2576        return true;
2577      }
2578
2579      if (effect && duration) {
2580        // If skip animation
2581        if (e === true) {
2582          setTimeout(done, duration);
2583        } else {
2584          $.fancybox.animate(
2585            current.$slide.removeClass("fancybox-slide--current"),
2586            "fancybox-animated fancybox-slide--previous fancybox-fx-" + effect,
2587            duration,
2588            done
2589          );
2590        }
2591      } else {
2592        done();
2593      }
2594
2595      return true;
2596    },
2597
2598    // Final adjustments after removing the instance
2599    // =============================================
2600
2601    cleanUp: function(e) {
2602      var self = this,
2603        $body = $("body"),
2604        instance,
2605        scrollTop;
2606
2607      self.current.$slide.trigger("onReset");
2608
2609      self.$refs.container.empty().remove();
2610
2611      self.trigger("afterClose", e);
2612
2613      // Place back focus
2614      if (self.$lastFocus && !!self.current.opts.backFocus) {
2615        self.$lastFocus.trigger("focus");
2616      }
2617
2618      self.current = null;
2619
2620      // Check if there are other instances
2621      instance = $.fancybox.getInstance();
2622
2623      if (instance) {
2624        instance.activate();
2625      } else {
2626        $body.removeClass("fancybox-active compensate-for-scrollbar");
2627
2628        $("#fancybox-style-noscroll").remove();
2629      }
2630    },
2631
2632    // Call callback and trigger an event
2633    // ==================================
2634
2635    trigger: function(name, slide) {
2636      var args = Array.prototype.slice.call(arguments, 1),
2637        self = this,
2638        obj = slide && slide.opts ? slide : self.current,
2639        rez;
2640
2641      if (obj) {
2642        args.unshift(obj);
2643      } else {
2644        obj = self;
2645      }
2646
2647      args.unshift(self);
2648
2649      if ($.isFunction(obj.opts[name])) {
2650        rez = obj.opts[name].apply(obj, args);
2651      }
2652
2653      if (rez === false) {
2654        return rez;
2655      }
2656
2657      if (name === "afterClose" || !self.$refs) {
2658        $D.trigger(name + ".fb", args);
2659      } else {
2660        self.$refs.container.trigger(name + ".fb", args);
2661      }
2662    },
2663
2664    // Update infobar values, navigation button states and reveal caption
2665    // ==================================================================
2666
2667    updateControls: function(force) {
2668      var self = this,
2669        current = self.current,
2670        index = current.index,
2671        caption = current.opts.caption,
2672        $container = self.$refs.container,
2673        $caption = self.$refs.caption;
2674
2675      // Recalculate content dimensions
2676      current.$slide.trigger("refresh");
2677
2678      self.$caption = caption && caption.length ? $caption.html(caption) : null;
2679
2680      if (!self.isHiddenControls && !self.isIdle) {
2681        self.showControls();
2682      }
2683
2684      // Update info and navigation elements
2685      $container.find("[data-fancybox-count]").html(self.group.length);
2686      $container.find("[data-fancybox-index]").html(index + 1);
2687
2688      $container.find("[data-fancybox-prev]").toggleClass("disabled", !current.opts.loop && index <= 0);
2689      $container.find("[data-fancybox-next]").toggleClass("disabled", !current.opts.loop && index >= self.group.length - 1);
2690
2691      if (current.type === "image") {
2692        // Re-enable buttons; update download button source
2693        $container
2694          .find("[data-fancybox-zoom]")
2695          .show()
2696          .end()
2697          .find("[data-fancybox-download]")
2698          .attr("href", current.opts.image.src || current.src)
2699          .show();
2700      } else if (current.opts.toolbar) {
2701        $container.find("[data-fancybox-download],[data-fancybox-zoom]").hide();
2702      }
2703    },
2704
2705    // Hide toolbar and caption
2706    // ========================
2707
2708    hideControls: function() {
2709      this.isHiddenControls = true;
2710
2711      this.$refs.container.removeClass("fancybox-show-infobar fancybox-show-toolbar fancybox-show-caption fancybox-show-nav");
2712    },
2713
2714    showControls: function() {
2715      var self = this,
2716        opts = self.current ? self.current.opts : self.opts,
2717        $container = self.$refs.container;
2718
2719      self.isHiddenControls = false;
2720      self.idleSecondsCounter = 0;
2721
2722      $container
2723        .toggleClass("fancybox-show-toolbar", !!(opts.toolbar && opts.buttons))
2724        .toggleClass("fancybox-show-infobar", !!(opts.infobar && self.group.length > 1))
2725        .toggleClass("fancybox-show-nav", !!(opts.arrows && self.group.length > 1))
2726        .toggleClass("fancybox-is-modal", !!opts.modal);
2727
2728      if (self.$caption) {
2729        $container.addClass("fancybox-show-caption ");
2730      } else {
2731        $container.removeClass("fancybox-show-caption");
2732      }
2733    },
2734
2735    // Toggle toolbar and caption
2736    // ==========================
2737
2738    toggleControls: function() {
2739      if (this.isHiddenControls) {
2740        this.showControls();
2741      } else {
2742        this.hideControls();
2743      }
2744    }
2745  });
2746
2747  $.fancybox = {
2748    version: "3.3.5",
2749    defaults: defaults,
2750
2751    // Get current instance and execute a command.
2752    //
2753    // Examples of usage:
2754    //
2755    //   $instance = $.fancybox.getInstance();
2756    //   $.fancybox.getInstance().jumpTo( 1 );
2757    //   $.fancybox.getInstance( 'jumpTo', 1 );
2758    //   $.fancybox.getInstance( function() {
2759    //       console.info( this.currIndex );
2760    //   });
2761    // ======================================================
2762
2763    getInstance: function(command) {
2764      var instance = $('.fancybox-container:not(".fancybox-is-closing"):last').data("FancyBox"),
2765        args = Array.prototype.slice.call(arguments, 1);
2766
2767      if (instance instanceof FancyBox) {
2768        if ($.type(command) === "string") {
2769          instance[command].apply(instance, args);
2770        } else if ($.type(command) === "function") {
2771          command.apply(instance, args);
2772        }
2773
2774        return instance;
2775      }
2776
2777      return false;
2778    },
2779
2780    // Create new instance
2781    // ===================
2782
2783    open: function(items, opts, index) {
2784      return new FancyBox(items, opts, index);
2785    },
2786
2787    // Close current or all instances
2788    // ==============================
2789
2790    close: function(all) {
2791      var instance = this.getInstance();
2792
2793      if (instance) {
2794        instance.close();
2795
2796        // Try to find and close next instance
2797
2798        if (all === true) {
2799          this.close();
2800        }
2801      }
2802    },
2803
2804    // Close all instances and unbind all events
2805    // =========================================
2806
2807    destroy: function() {
2808      this.close(true);
2809
2810      $D.add("body").off("click.fb-start", "**");
2811    },
2812
2813    // Try to detect mobile devices
2814    // ============================
2815
2816    isMobile:
2817      document.createTouch !== undefined && /Android|webOS|iPhone|iPad|iPod|BlackBerry|IEMobile|Opera Mini/i.test(navigator.userAgent),
2818
2819    // Detect if 'translate3d' support is available
2820    // ============================================
2821
2822    use3d: (function() {
2823      var div = document.createElement("div");
2824
2825      return (
2826        window.getComputedStyle &&
2827        window.getComputedStyle(div) &&
2828        window.getComputedStyle(div).getPropertyValue("transform") &&
2829        !(document.documentMode && document.documentMode < 11)
2830      );
2831    })(),
2832
2833    // Helper function to get current visual state of an element
2834    // returns array[ top, left, horizontal-scale, vertical-scale, opacity ]
2835    // =====================================================================
2836
2837    getTranslate: function($el) {
2838      var domRect;
2839
2840      if (!$el || !$el.length) {
2841        return false;
2842      }
2843
2844      domRect = $el[0].getBoundingClientRect();
2845
2846      return {
2847        top: domRect.top || 0,
2848        left: domRect.left || 0,
2849        width: domRect.width,
2850        height: domRect.height,
2851        opacity: parseFloat($el.css("opacity"))
2852      };
2853    },
2854
2855    // Shortcut for setting "translate3d" properties for element
2856    // Can set be used to set opacity, too
2857    // ========================================================
2858
2859    setTranslate: function($el, props) {
2860      var str = "",
2861        css = {};
2862
2863      if (!$el || !props) {
2864        return;
2865      }
2866
2867      if (props.left !== undefined || props.top !== undefined) {
2868        str =
2869          (props.left === undefined ? $el.position().left : props.left) +
2870          "px, " +
2871          (props.top === undefined ? $el.position().top : props.top) +
2872          "px";
2873
2874        if (this.use3d) {
2875          str = "translate3d(" + str + ", 0px)";
2876        } else {
2877          str = "translate(" + str + ")";
2878        }
2879      }
2880
2881      if (props.scaleX !== undefined && props.scaleY !== undefined) {
2882        str = (str.length ? str + " " : "") + "scale(" + props.scaleX + ", " + props.scaleY + ")";
2883      }
2884
2885      if (str.length) {
2886        css.transform = str;
2887      }
2888
2889      if (props.opacity !== undefined) {
2890        css.opacity = props.opacity;
2891      }
2892
2893      if (props.width !== undefined) {
2894        css.width = props.width;
2895      }
2896
2897      if (props.height !== undefined) {
2898        css.height = props.height;
2899      }
2900
2901      return $el.css(css);
2902    },
2903
2904    // Simple CSS transition handler
2905    // =============================
2906
2907    animate: function($el, to, duration, callback, leaveAnimationName) {
2908      var final = false;
2909
2910      if ($.isFunction(duration)) {
2911        callback = duration;
2912        duration = null;
2913      }
2914
2915      if (!$.isPlainObject(to)) {
2916        $el.removeAttr("style");
2917      }
2918
2919      $.fancybox.stop($el);
2920
2921      $el.on(transitionEnd, function(e) {
2922        // Skip events from child elements and z-index change
2923        if (e && e.originalEvent && (!$el.is(e.originalEvent.target) || e.originalEvent.propertyName == "z-index")) {
2924          return;
2925        }
2926
2927        $.fancybox.stop($el);
2928
2929        if (final) {
2930          $.fancybox.setTranslate($el, final);
2931        }
2932
2933        if ($.isPlainObject(to)) {
2934          if (leaveAnimationName === false) {
2935            $el.removeAttr("style");
2936          }
2937        } else if (leaveAnimationName !== true) {
2938          $el.removeClass(to);
2939        }
2940
2941        if ($.isFunction(callback)) {
2942          callback(e);
2943        }
2944      });
2945
2946      if ($.isNumeric(duration)) {
2947        $el.css("transition-duration", duration + "ms");
2948      }
2949
2950      // Start animation by changing CSS properties or class name
2951      if ($.isPlainObject(to)) {
2952        if (to.scaleX !== undefined && to.scaleY !== undefined) {
2953          final = $.extend({}, to, {
2954            width: $el.width() * to.scaleX,
2955            height: $el.height() * to.scaleY,
2956            scaleX: 1,
2957            scaleY: 1
2958          });
2959
2960          delete to.width;
2961          delete to.height;
2962
2963          if ($el.parent().hasClass("fancybox-slide--image")) {
2964            $el.parent().addClass("fancybox-is-scaling");
2965          }
2966        }
2967
2968        $.fancybox.setTranslate($el, to);
2969      } else {
2970        $el.addClass(to);
2971      }
2972
2973      // Make sure that `transitionend` callback gets fired
2974      $el.data(
2975        "timer",
2976        setTimeout(function() {
2977          $el.trigger("transitionend");
2978        }, duration + 16)
2979      );
2980    },
2981
2982    stop: function($el) {
2983      if ($el && $el.length) {
2984        clearTimeout($el.data("timer"));
2985
2986        $el.off("transitionend").css("transition-duration", "");
2987
2988        $el.parent().removeClass("fancybox-is-scaling");
2989      }
2990    }
2991  };
2992
2993  // Default click handler for "fancyboxed" links
2994  // ============================================
2995
2996  function _run(e, opts) {
2997    var items = [],
2998      index = 0,
2999      $target,
3000      value;
3001
3002    // Avoid opening multiple times
3003    if (e && e.isDefaultPrevented()) {
3004      return;
3005    }
3006
3007    e.preventDefault();
3008
3009    opts = e && e.data ? e.data.options : opts || {};
3010
3011    $target = opts.$target || $(e.currentTarget);
3012    value = $target.attr("data-fancybox") || "";
3013
3014    // Get all related items and find index for clicked one
3015    if (value) {
3016      items = opts.selector ? $(opts.selector) : e.data ? e.data.items : [];
3017      items = items.length ? items.filter('[data-fancybox="' + value + '"]') : $('[data-fancybox="' + value + '"]');
3018
3019      index = items.index($target);
3020
3021      // Sometimes current item can not be found (for example, if some script clones items)
3022      if (index < 0) {
3023        index = 0;
3024      }
3025    } else {
3026      items = [$target];
3027    }
3028
3029    $.fancybox.open(items, opts, index);
3030  }
3031
3032  // Create a jQuery plugin
3033  // ======================
3034
3035  $.fn.fancybox = function(options) {
3036    var selector;
3037
3038    options = options || {};
3039    selector = options.selector || false;
3040
3041    if (selector) {
3042      // Use body element instead of document so it executes first
3043      $("body")
3044        .off("click.fb-start", selector)
3045        .on("click.fb-start", selector, {options: options}, _run);
3046    } else {
3047      this.off("click.fb-start").on(
3048        "click.fb-start",
3049        {
3050          items: this,
3051          options: options
3052        },
3053        _run
3054      );
3055    }
3056
3057    return this;
3058  };
3059
3060  // Self initializing plugin for all elements having `data-fancybox` attribute
3061  // ==========================================================================
3062
3063  $D.on("click.fb-start", "[data-fancybox]", _run);
3064
3065  // Enable "trigger elements"
3066  // =========================
3067
3068  $D.on("click.fb-start", "[data-trigger]", function(e) {
3069    _run(e, {
3070      $target: $('[data-fancybox="' + $(e.currentTarget).attr("data-trigger") + '"]').eq($(e.currentTarget).attr("data-index") || 0),
3071      $trigger: $(this)
3072    });
3073  });
3074})(window, document, window.jQuery || jQuery);
3075
3076// ==========================================================================
3077//
3078// Media
3079// Adds additional media type support
3080//
3081// ==========================================================================
3082(function($) {
3083  "use strict";
3084
3085  // Formats matching url to final form
3086
3087  var format = function(url, rez, params) {
3088    if (!url) {
3089      return;
3090    }
3091
3092    params = params || "";
3093
3094    if ($.type(params) === "object") {
3095      params = $.param(params, true);
3096    }
3097
3098    $.each(rez, function(key, value) {
3099      url = url.replace("$" + key, value || "");
3100    });
3101
3102    if (params.length) {
3103      url += (url.indexOf("?") > 0 ? "&" : "?") + params;
3104    }
3105
3106    return url;
3107  };
3108
3109  // Object containing properties for each media type
3110
3111  var defaults = {
3112    youtube: {
3113      matcher: /(youtube\.com|youtu\.be|youtube\-nocookie\.com)\/(watch\?(.*&)?v=|v\/|u\/|embed\/?)?(videoseries\?list=(.*)|[\w-]{11}|\?listType=(.*)&list=(.*))(.*)/i,
3114      params: {
3115        autoplay: 1,
3116        autohide: 1,
3117        fs: 1,
3118        rel: 0,
3119        hd: 1,
3120        wmode: "transparent",
3121        enablejsapi: 1,
3122        html5: 1
3123      },
3124      paramPlace: 8,
3125      type: "iframe",
3126      url: "//www.youtube.com/embed/$4",
3127      thumb: "//img.youtube.com/vi/$4/hqdefault.jpg"
3128    },
3129
3130    vimeo: {
3131      matcher: /^.+vimeo.com\/(.*\/)?([\d]+)(.*)?/,
3132      params: {
3133        autoplay: 1,
3134        hd: 1,
3135        show_title: 1,
3136        show_byline: 1,
3137        show_portrait: 0,
3138        fullscreen: 1,
3139        api: 1
3140      },
3141      paramPlace: 3,
3142      type: "iframe",
3143      url: "//player.vimeo.com/video/$2"
3144    },
3145
3146    instagram: {
3147      matcher: /(instagr\.am|instagram\.com)\/p\/([a-zA-Z0-9_\-]+)\/?/i,
3148      type: "image",
3149      url: "//$1/p/$2/media/?size=l"
3150    },
3151
3152    // Examples:
3153    // http://maps.google.com/?ll=48.857995,2.294297&spn=0.007666,0.021136&t=m&z=16
3154    // https://www.google.com/maps/@37.7852006,-122.4146355,14.65z
3155    // https://www.google.com/maps/@52.2111123,2.9237542,6.61z?hl=en
3156    // https://www.google.com/maps/place/Googleplex/@37.4220041,-122.0833494,17z/data=!4m5!3m4!1s0x0:0x6c296c66619367e0!8m2!3d37.4219998!4d-122.0840572
3157    gmap_place: {
3158      matcher: /(maps\.)?google\.([a-z]{2,3}(\.[a-z]{2})?)\/(((maps\/(place\/(.*)\/)?\@(.*),(\d+.?\d+?)z))|(\?ll=))(.*)?/i,
3159      type: "iframe",
3160      url: function(rez) {
3161        return (
3162          "//maps.google." +
3163          rez[2] +
3164          "/?ll=" +
3165          (rez[9] ? rez[9] + "&z=" + Math.floor(rez[10]) + (rez[12] ? rez[12].replace(/^\//, "&") : "") : rez[12] + "").replace(/\?/, "&") +
3166          "&output=" +
3167          (rez[12] && rez[12].indexOf("layer=c") > 0 ? "svembed" : "embed")
3168        );
3169      }
3170    },
3171
3172    // Examples:
3173    // https://www.google.com/maps/search/Empire+State+Building/
3174    // https://www.google.com/maps/search/?api=1&query=centurylink+field
3175    // https://www.google.com/maps/search/?api=1&query=47.5951518,-122.3316393
3176    gmap_search: {
3177      matcher: /(maps\.)?google\.([a-z]{2,3}(\.[a-z]{2})?)\/(maps\/search\/)(.*)/i,
3178      type: "iframe",
3179      url: function(rez) {
3180        return "//maps.google." + rez[2] + "/maps?q=" + rez[5].replace("query=", "q=").replace("api=1", "") + "&output=embed";
3181      }
3182    }
3183  };
3184
3185  $(document).on("objectNeedsType.fb", function(e, instance, item) {
3186    var url = item.src || "",
3187      type = false,
3188      media,
3189      thumb,
3190      rez,
3191      params,
3192      urlParams,
3193      paramObj,
3194      provider;
3195
3196    media = $.extend(true, {}, defaults, item.opts.media);
3197
3198    // Look for any matching media type
3199    $.each(media, function(providerName, providerOpts) {
3200      rez = url.match(providerOpts.matcher);
3201
3202      if (!rez) {
3203        return;
3204      }
3205
3206      type = providerOpts.type;
3207      provider = providerName;
3208      paramObj = {};
3209
3210      if (providerOpts.paramPlace && rez[providerOpts.paramPlace]) {
3211        urlParams = rez[providerOpts.paramPlace];
3212
3213        if (urlParams[0] == "?") {
3214          urlParams = urlParams.substring(1);
3215        }
3216
3217        urlParams = urlParams.split("&");
3218
3219        for (var m = 0; m < urlParams.length; ++m) {
3220          var p = urlParams[m].split("=", 2);
3221
3222          if (p.length == 2) {
3223            paramObj[p[0]] = decodeURIComponent(p[1].replace(/\+/g, " "));
3224          }
3225        }
3226      }
3227
3228      params = $.extend(true, {}, providerOpts.params, item.opts[providerName], paramObj);
3229
3230      url =
3231        $.type(providerOpts.url) === "function" ? providerOpts.url.call(this, rez, params, item) : format(providerOpts.url, rez, params);
3232
3233      thumb =
3234        $.type(providerOpts.thumb) === "function" ? providerOpts.thumb.call(this, rez, params, item) : format(providerOpts.thumb, rez);
3235
3236      if (providerName === "youtube") {
3237        url = url.replace(/&t=((\d+)m)?(\d+)s/, function(match, p1, m, s) {
3238          return "&start=" + ((m ? parseInt(m, 10) * 60 : 0) + parseInt(s, 10));
3239        });
3240      } else if (providerName === "vimeo") {
3241        url = url.replace("&%23", "#");
3242      }
3243
3244      return false;
3245    });
3246
3247    // If it is found, then change content type and update the url
3248
3249    if (type) {
3250      if (!item.opts.thumb && !(item.opts.$thumb && item.opts.$thumb.length)) {
3251        item.opts.thumb = thumb;
3252      }
3253
3254      if (type === "iframe") {
3255        item.opts = $.extend(true, item.opts, {
3256          iframe: {
3257            preload: false,
3258            attr: {
3259              scrolling: "no"
3260            }
3261          }
3262        });
3263      }
3264
3265      $.extend(item, {
3266        type: type,
3267        src: url,
3268        origSrc: item.src,
3269        contentSource: provider,
3270        contentType: type === "image" ? "image" : provider == "gmap_place" || provider == "gmap_search" ? "map" : "video"
3271      });
3272    } else if (url) {
3273      item.type = item.opts.defaultType;
3274    }
3275  });
3276})(window.jQuery || jQuery);
3277
3278// ==========================================================================
3279//
3280// Guestures
3281// Adds touch guestures, handles click and tap events
3282//
3283// ==========================================================================
3284(function(window, document, $) {
3285  "use strict";
3286
3287  var requestAFrame = (function() {
3288    return (
3289      window.requestAnimationFrame ||
3290      window.webkitRequestAnimationFrame ||
3291      window.mozRequestAnimationFrame ||
3292      window.oRequestAnimationFrame ||
3293      // if all else fails, use setTimeout
3294      function(callback) {
3295        return window.setTimeout(callback, 1000 / 60);
3296      }
3297    );
3298  })();
3299
3300  var cancelAFrame = (function() {
3301    return (
3302      window.cancelAnimationFrame ||
3303      window.webkitCancelAnimationFrame ||
3304      window.mozCancelAnimationFrame ||
3305      window.oCancelAnimationFrame ||
3306      function(id) {
3307        window.clearTimeout(id);
3308      }
3309    );
3310  })();
3311
3312  var getPointerXY = function(e) {
3313    var result = [];
3314
3315    e = e.originalEvent || e || window.e;
3316    e = e.touches && e.touches.length ? e.touches : e.changedTouches && e.changedTouches.length ? e.changedTouches : [e];
3317
3318    for (var key in e) {
3319      if (e[key].pageX) {
3320        result.push({
3321          x: e[key].pageX,
3322          y: e[key].pageY
3323        });
3324      } else if (e[key].clientX) {
3325        result.push({
3326          x: e[key].clientX,
3327          y: e[key].clientY
3328        });
3329      }
3330    }
3331
3332    return result;
3333  };
3334
3335  var distance = function(point2, point1, what) {
3336    if (!point1 || !point2) {
3337      return 0;
3338    }
3339
3340    if (what === "x") {
3341      return point2.x - point1.x;
3342    } else if (what === "y") {
3343      return point2.y - point1.y;
3344    }
3345
3346    return Math.sqrt(Math.pow(point2.x - point1.x, 2) + Math.pow(point2.y - point1.y, 2));
3347  };
3348
3349  var isClickable = function($el) {
3350    if (
3351      $el.is('a,area,button,[role="button"],input,label,select,summary,textarea,video,audio') ||
3352      $.isFunction($el.get(0).onclick) ||
3353      $el.data("selectable")
3354    ) {
3355      return true;
3356    }
3357
3358    // Check for attributes like data-fancybox-next or data-fancybox-close
3359    for (var i = 0, atts = $el[0].attributes, n = atts.length; i < n; i++) {
3360      if (atts[i].nodeName.substr(0, 14) === "data-fancybox-") {
3361        return true;
3362      }
3363    }
3364
3365    return false;
3366  };
3367
3368  var hasScrollbars = function(el) {
3369    var overflowY = window.getComputedStyle(el)["overflow-y"],
3370      overflowX = window.getComputedStyle(el)["overflow-x"],
3371      vertical = (overflowY === "scroll" || overflowY === "auto") && el.scrollHeight > el.clientHeight,
3372      horizontal = (overflowX === "scroll" || overflowX === "auto") && el.scrollWidth > el.clientWidth;
3373
3374    return vertical || horizontal;
3375  };
3376
3377  var isScrollable = function($el) {
3378    var rez = false;
3379
3380    while (true) {
3381      rez = hasScrollbars($el.get(0));
3382
3383      if (rez) {
3384        break;
3385      }
3386
3387      $el = $el.parent();
3388
3389      if (!$el.length || $el.hasClass("fancybox-stage") || $el.is("body")) {
3390        break;
3391      }
3392    }
3393
3394    return rez;
3395  };
3396
3397  var Guestures = function(instance) {
3398    var self = this;
3399
3400    self.instance = instance;
3401
3402    self.$bg = instance.$refs.bg;
3403    self.$stage = instance.$refs.stage;
3404    self.$container = instance.$refs.container;
3405
3406    self.destroy();
3407
3408    self.$container.on("touchstart.fb.touch mousedown.fb.touch", $.proxy(self, "ontouchstart"));
3409  };
3410
3411  Guestures.prototype.destroy = function() {
3412    this.$container.off(".fb.touch");
3413  };
3414
3415  Guestures.prototype.ontouchstart = function(e) {
3416    var self = this,
3417      $target = $(e.target),
3418      instance = self.instance,
3419      current = instance.current,
3420      $content = current.$content,
3421      isTouchDevice = e.type == "touchstart";
3422
3423    // Do not respond to both (touch and mouse) events
3424    if (isTouchDevice) {
3425      self.$container.off("mousedown.fb.touch");
3426    }
3427
3428    // Ignore right click
3429    if (e.originalEvent && e.originalEvent.button == 2) {
3430      return;
3431    }
3432
3433    // Ignore taping on links, buttons, input elements
3434    if (!$target.length || isClickable($target) || isClickable($target.parent())) {
3435      return;
3436    }
3437
3438    // Ignore clicks on the scrollbar
3439    if (!$target.is("img") && e.originalEvent.clientX > $target[0].clientWidth + $target.offset().left) {
3440      return;
3441    }
3442
3443    // Ignore clicks while zooming or closing
3444    if (!current || instance.isAnimating || instance.isClosing) {
3445      e.stopPropagation();
3446      e.preventDefault();
3447
3448      return;
3449    }
3450
3451    self.realPoints = self.startPoints = getPointerXY(e);
3452
3453    if (!self.startPoints.length) {
3454      return;
3455    }
3456
3457    e.stopPropagation();
3458
3459    self.startEvent = e;
3460
3461    self.canTap = true;
3462    self.$target = $target;
3463    self.$content = $content;
3464    self.opts = current.opts.touch;
3465
3466    self.isPanning = false;
3467    self.isSwiping = false;
3468    self.isZooming = false;
3469    self.isScrolling = false;
3470
3471    self.startTime = new Date().getTime();
3472    self.distanceX = self.distanceY = self.distance = 0;
3473
3474    self.canvasWidth = Math.round(current.$slide[0].clientWidth);
3475    self.canvasHeight = Math.round(current.$slide[0].clientHeight);
3476
3477    self.contentLastPos = null;
3478    self.contentStartPos = $.fancybox.getTranslate(self.$content) || {top: 0, left: 0};
3479    self.sliderStartPos = self.sliderLastPos || $.fancybox.getTranslate(current.$slide);
3480
3481    // Since position will be absolute, but we need to make it relative to the stage
3482    self.stagePos = $.fancybox.getTranslate(instance.$refs.stage);
3483
3484    self.sliderStartPos.top -= self.stagePos.top;
3485    self.sliderStartPos.left -= self.stagePos.left;
3486
3487    self.contentStartPos.top -= self.stagePos.top;
3488    self.contentStartPos.left -= self.stagePos.left;
3489
3490    $(document)
3491      .off(".fb.touch")
3492      .on(isTouchDevice ? "touchend.fb.touch touchcancel.fb.touch" : "mouseup.fb.touch mouseleave.fb.touch", $.proxy(self, "ontouchend"))
3493      .on(isTouchDevice ? "touchmove.fb.touch" : "mousemove.fb.touch", $.proxy(self, "ontouchmove"));
3494
3495    if ($.fancybox.isMobile) {
3496      document.addEventListener("scroll", self.onscroll, true);
3497    }
3498
3499    if (!(self.opts || instance.canPan()) || !($target.is(self.$stage) || self.$stage.find($target).length)) {
3500      if ($target.is(".fancybox-image")) {
3501        e.preventDefault();
3502      }
3503
3504      return;
3505    }
3506
3507    if (!($.fancybox.isMobile && (isScrollable($target) || isScrollable($target.parent())))) {
3508      e.preventDefault();
3509    }
3510
3511    if (self.startPoints.length === 1 || current.hasError) {
3512      if (self.instance.canPan()) {
3513        $.fancybox.stop(self.$content);
3514
3515        self.$content.css("transition-duration", "");
3516
3517        self.isPanning = true;
3518      } else {
3519        self.isSwiping = true;
3520      }
3521
3522      self.$container.addClass("fancybox-controls--isGrabbing");
3523    }
3524
3525    if (self.startPoints.length === 2 && current.type === "image" && (current.isLoaded || current.$ghost)) {
3526      self.canTap = false;
3527      self.isSwiping = false;
3528      self.isPanning = false;
3529
3530      self.isZooming = true;
3531
3532      $.fancybox.stop(self.$content);
3533
3534      self.$content.css("transition-duration", "");
3535
3536      self.centerPointStartX = (self.startPoints[0].x + self.startPoints[1].x) * 0.5 - $(window).scrollLeft();
3537      self.centerPointStartY = (self.startPoints[0].y + self.startPoints[1].y) * 0.5 - $(window).scrollTop();
3538
3539      self.percentageOfImageAtPinchPointX = (self.centerPointStartX - self.contentStartPos.left) / self.contentStartPos.width;
3540      self.percentageOfImageAtPinchPointY = (self.centerPointStartY - self.contentStartPos.top) / self.contentStartPos.height;
3541
3542      self.startDistanceBetweenFingers = distance(self.startPoints[0], self.startPoints[1]);
3543    }
3544  };
3545
3546  Guestures.prototype.onscroll = function(e) {
3547    var self = this;
3548
3549    self.isScrolling = true;
3550
3551    document.removeEventListener("scroll", self.onscroll, true);
3552  };
3553
3554  Guestures.prototype.ontouchmove = function(e) {
3555    var self = this,
3556      $target = $(e.target);
3557
3558    // Make sure user has not released over iframe or disabled element
3559    if (e.originalEvent.buttons !== undefined && e.originalEvent.buttons === 0) {
3560      self.ontouchend(e);
3561      return;
3562    }
3563
3564    if (self.isScrolling || !($target.is(self.$stage) || self.$stage.find($target).length)) {
3565      self.canTap = false;
3566
3567      return;
3568    }
3569
3570    self.newPoints = getPointerXY(e);
3571
3572    if (!(self.opts || self.instance.canPan()) || !self.newPoints.length || !self.newPoints.length) {
3573      return;
3574    }
3575
3576    if (!(self.isSwiping && self.isSwiping === true)) {
3577      e.preventDefault();
3578    }
3579
3580    self.distanceX = distance(self.newPoints[0], self.startPoints[0], "x");
3581    self.distanceY = distance(self.newPoints[0], self.startPoints[0], "y");
3582
3583    self.distance = distance(self.newPoints[0], self.startPoints[0]);
3584
3585    // Skip false ontouchmove events (Chrome)
3586    if (self.distance > 0) {
3587      if (self.isSwiping) {
3588        self.onSwipe(e);
3589      } else if (self.isPanning) {
3590        self.onPan();
3591      } else if (self.isZooming) {
3592        self.onZoom();
3593      }
3594    }
3595  };
3596
3597  Guestures.prototype.onSwipe = function(e) {
3598    var self = this,
3599      swiping = self.isSwiping,
3600      left = self.sliderStartPos.left || 0,
3601      angle;
3602
3603    // If direction is not yet determined
3604    if (swiping === true) {
3605      // We need at least 10px distance to correctly calculate an angle
3606      if (Math.abs(self.distance) > 10) {
3607        self.canTap = false;
3608
3609        if (self.instance.group.length < 2 && self.opts.vertical) {
3610          self.isSwiping = "y";
3611        } else if (self.instance.isDragging || self.opts.vertical === false || (self.opts.vertical === "auto" && $(window).width() > 800)) {
3612          self.isSwiping = "x";
3613        } else {
3614          angle = Math.abs(Math.atan2(self.distanceY, self.distanceX) * 180 / Math.PI);
3615
3616          self.isSwiping = angle > 45 && angle < 135 ? "y" : "x";
3617        }
3618
3619        self.canTap = false;
3620
3621        if (self.isSwiping === "y" && $.fancybox.isMobile && (isScrollable(self.$target) || isScrollable(self.$target.parent()))) {
3622          self.isScrolling = true;
3623
3624          return;
3625        }
3626
3627        self.instance.isDragging = self.isSwiping;
3628
3629        // Reset points to avoid jumping, because we dropped first swipes to calculate the angle
3630        self.startPoints = self.newPoints;
3631
3632        $.each(self.instance.slides, function(index, slide) {
3633          $.fancybox.stop(slide.$slide);
3634
3635          slide.$slide.css("transition-duration", "");
3636
3637          slide.inTransition = false;
3638
3639          if (slide.pos === self.instance.current.pos) {
3640            self.sliderStartPos.left = $.fancybox.getTranslate(slide.$slide).left - $.fancybox.getTranslate(self.instance.$refs.stage).left;
3641          }
3642        });
3643
3644        // Stop slideshow
3645        if (self.instance.SlideShow && self.instance.SlideShow.isActive) {
3646          self.instance.SlideShow.stop();
3647        }
3648      }
3649
3650      return;
3651    }
3652
3653    // Sticky edges
3654    if (swiping == "x") {
3655      if (
3656        self.distanceX > 0 &&
3657        (self.instance.group.length < 2 || (self.instance.current.index === 0 && !self.instance.current.opts.loop))
3658      ) {
3659        left = left + Math.pow(self.distanceX, 0.8);
3660      } else if (
3661        self.distanceX < 0 &&
3662        (self.instance.group.length < 2 ||
3663          (self.instance.current.index === self.instance.group.length - 1 && !self.instance.current.opts.loop))
3664      ) {
3665        left = left - Math.pow(-self.distanceX, 0.8);
3666      } else {
3667        left = left + self.distanceX;
3668      }
3669    }
3670
3671    self.sliderLastPos = {
3672      top: swiping == "x" ? 0 : self.sliderStartPos.top + self.distanceY,
3673      left: left
3674    };
3675
3676    if (self.requestId) {
3677      cancelAFrame(self.requestId);
3678
3679      self.requestId = null;
3680    }
3681
3682    self.requestId = requestAFrame(function() {
3683      if (self.sliderLastPos) {
3684        $.each(self.instance.slides, function(index, slide) {
3685          var pos = slide.pos - self.instance.currPos;
3686
3687          $.fancybox.setTranslate(slide.$slide, {
3688            top: self.sliderLastPos.top,
3689            left: self.sliderLastPos.left + pos * self.canvasWidth + pos * slide.opts.gutter
3690          });
3691        });
3692
3693        self.$container.addClass("fancybox-is-sliding");
3694      }
3695    });
3696  };
3697
3698  Guestures.prototype.onPan = function() {
3699    var self = this;
3700
3701    // Prevent accidental movement (sometimes, when tapping casually, finger can move a bit)
3702    if (distance(self.newPoints[0], self.realPoints[0]) < ($.fancybox.isMobile ? 10 : 5)) {
3703      self.startPoints = self.newPoints;
3704      return;
3705    }
3706
3707    self.canTap = false;
3708
3709    self.contentLastPos = self.limitMovement();
3710
3711    if (self.requestId) {
3712      cancelAFrame(self.requestId);
3713
3714      self.requestId = null;
3715    }
3716
3717    self.requestId = requestAFrame(function() {
3718      $.fancybox.setTranslate(self.$content, self.contentLastPos);
3719    });
3720  };
3721
3722  // Make panning sticky to the edges
3723  Guestures.prototype.limitMovement = function() {
3724    var self = this;
3725
3726    var canvasWidth = self.canvasWidth;
3727    var canvasHeight = self.canvasHeight;
3728
3729    var distanceX = self.distanceX;
3730    var distanceY = self.distanceY;
3731
3732    var contentStartPos = self.contentStartPos;
3733
3734    var currentOffsetX = contentStartPos.left;
3735    var currentOffsetY = contentStartPos.top;
3736
3737    var currentWidth = contentStartPos.width;
3738    var currentHeight = contentStartPos.height;
3739
3740    var minTranslateX, minTranslateY, maxTranslateX, maxTranslateY, newOffsetX, newOffsetY;
3741
3742    if (currentWidth > canvasWidth) {
3743      newOffsetX = currentOffsetX + distanceX;
3744    } else {
3745      newOffsetX = currentOffsetX;
3746    }
3747
3748    newOffsetY = currentOffsetY + distanceY;
3749
3750    // Slow down proportionally to traveled distance
3751    minTranslateX = Math.max(0, canvasWidth * 0.5 - currentWidth * 0.5);
3752    minTranslateY = Math.max(0, canvasHeight * 0.5 - currentHeight * 0.5);
3753
3754    maxTranslateX = Math.min(canvasWidth - currentWidth, canvasWidth * 0.5 - currentWidth * 0.5);
3755    maxTranslateY = Math.min(canvasHeight - currentHeight, canvasHeight * 0.5 - currentHeight * 0.5);
3756
3757    //   ->
3758    if (distanceX > 0 && newOffsetX > minTranslateX) {
3759      newOffsetX = minTranslateX - 1 + Math.pow(-minTranslateX + currentOffsetX + distanceX, 0.8) || 0;
3760    }
3761
3762    //    <-
3763    if (distanceX < 0 && newOffsetX < maxTranslateX) {
3764      newOffsetX = maxTranslateX + 1 - Math.pow(maxTranslateX - currentOffsetX - distanceX, 0.8) || 0;
3765    }
3766
3767    //   \/
3768    if (distanceY > 0 && newOffsetY > minTranslateY) {
3769      newOffsetY = minTranslateY - 1 + Math.pow(-minTranslateY + currentOffsetY + distanceY, 0.8) || 0;
3770    }
3771
3772    //   /\
3773    if (distanceY < 0 && newOffsetY < maxTranslateY) {
3774      newOffsetY = maxTranslateY + 1 - Math.pow(maxTranslateY - currentOffsetY - distanceY, 0.8) || 0;
3775    }
3776
3777    return {
3778      top: newOffsetY,
3779      left: newOffsetX
3780    };
3781  };
3782
3783  Guestures.prototype.limitPosition = function(newOffsetX, newOffsetY, newWidth, newHeight) {
3784    var self = this;
3785
3786    var canvasWidth = self.canvasWidth;
3787    var canvasHeight = self.canvasHeight;
3788
3789    if (newWidth > canvasWidth) {
3790      newOffsetX = newOffsetX > 0 ? 0 : newOffsetX;
3791      newOffsetX = newOffsetX < canvasWidth - newWidth ? canvasWidth - newWidth : newOffsetX;
3792    } else {
3793      // Center horizontally
3794      newOffsetX = Math.max(0, canvasWidth / 2 - newWidth / 2);
3795    }
3796
3797    if (newHeight > canvasHeight) {
3798      newOffsetY = newOffsetY > 0 ? 0 : newOffsetY;
3799      newOffsetY = newOffsetY < canvasHeight - newHeight ? canvasHeight - newHeight : newOffsetY;
3800    } else {
3801      // Center vertically
3802      newOffsetY = Math.max(0, canvasHeight / 2 - newHeight / 2);
3803    }
3804
3805    return {
3806      top: newOffsetY,
3807      left: newOffsetX
3808    };
3809  };
3810
3811  Guestures.prototype.onZoom = function() {
3812    var self = this;
3813
3814    // Calculate current distance between points to get pinch ratio and new width and height
3815    var contentStartPos = self.contentStartPos;
3816
3817    var currentWidth = contentStartPos.width;
3818    var currentHeight = contentStartPos.height;
3819
3820    var currentOffsetX = contentStartPos.left;
3821    var currentOffsetY = contentStartPos.top;
3822
3823    var endDistanceBetweenFingers = distance(self.newPoints[0], self.newPoints[1]);
3824
3825    var pinchRatio = endDistanceBetweenFingers / self.startDistanceBetweenFingers;
3826
3827    var newWidth = Math.floor(currentWidth * pinchRatio);
3828    var newHeight = Math.floor(currentHeight * pinchRatio);
3829
3830    // This is the translation due to pinch-zooming
3831    var translateFromZoomingX = (currentWidth - newWidth) * self.percentageOfImageAtPinchPointX;
3832    var translateFromZoomingY = (currentHeight - newHeight) * self.percentageOfImageAtPinchPointY;
3833
3834    // Point between the two touches
3835    var centerPointEndX = (self.newPoints[0].x + self.newPoints[1].x) / 2 - $(window).scrollLeft();
3836    var centerPointEndY = (self.newPoints[0].y + self.newPoints[1].y) / 2 - $(window).scrollTop();
3837
3838    // And this is the translation due to translation of the centerpoint
3839    // between the two fingers
3840    var translateFromTranslatingX = centerPointEndX - self.centerPointStartX;
3841    var translateFromTranslatingY = centerPointEndY - self.centerPointStartY;
3842
3843    // The new offset is the old/current one plus the total translation
3844    var newOffsetX = currentOffsetX + (translateFromZoomingX + translateFromTranslatingX);
3845    var newOffsetY = currentOffsetY + (translateFromZoomingY + translateFromTranslatingY);
3846
3847    var newPos = {
3848      top: newOffsetY,
3849      left: newOffsetX,
3850      scaleX: pinchRatio,
3851      scaleY: pinchRatio
3852    };
3853
3854    self.canTap = false;