(function (window, document, $, undefined) {
"use strict";
window.console = window.console || {
info: function (stuff) {}
};
// If there's no jQuery, bbcbox can't work
// =========================================
if (!$) {
return;
}
// Check if bbcbox is already initialized
// ========================================
if ($.fn.bbcbox) {
console.info("bbcbox already initialized");
return;
}
// Private default settings
// ========================
var defaults = {
// Close existing modals
// Set this to false if you do not need to stack multiple instances
closeExisting: false,
// Enable infinite gallery navigation
loop: false,
// Horizontal space between slides
gutter: 50,
// Enable keyboard navigation
keyboard: true,
// Should allow caption to overlap the content
preventCaptionOverlap: true,
// Should display navigation arrows at the screen edges
arrows: true,
// Should display counter at the top left corner
infobar: true,
// Should display close button (using `btnTpl.smallBtn` template) over the content
// Can be true, false, "auto"
// If "auto" - will be automatically enabled for "html", "inline" or "ajax" items
smallBtn: "auto",
// Should display toolbar (buttons at the top)
// Can be true, false, "auto"
// If "auto" - will be automatically hidden if "smallBtn" is enabled
toolbar: "auto",
// What buttons should appear in the top right corner.
// Buttons will be created using templates from `btnTpl` option
// and they will be placed into toolbar (class="bbcbox-toolbar"` element)
buttons: [
"zoom",
//"share",
"slideShow",
//"fullScreen",
//"download",
"thumbs",
"close"
],
// Detect "idle" time in seconds
idleTime: 3,
// Disable right-click and use simple image protection for images
protect: false,
// Shortcut to make content "modal" - disable keyboard navigtion, hide buttons, etc
modal: false,
image: {
// Wait for images to load before displaying
// true - wait for image to load and then display;
// false - display thumbnail and load the full-sized image over top,
// requires predefined image dimensions (`data-width` and `data-height` attributes)
preload: false
},
ajax: {
// Object containing settings for ajax request
settings: {
// This helps to indicate that request comes from the modal
// Feel free to change naming
data: {
bbcbox: true
}
}
},
iframe: {
// Iframe template
tpl: '',
// Preload iframe before displaying it
// This allows to calculate iframe content width and height
// (note: Due to "Same Origin Policy", you can't get cross domain data).
preload: true,
// Custom CSS styling for iframe wrapping element
// You can use this to set custom iframe dimensions
css: {},
// Iframe tag attributes
attr: {
scrolling: "auto"
}
},
// For HTML5 video only
video: {
tpl: '",
format: "", // custom video format
autoStart: true
},
// Default content type if cannot be detected automatically
defaultType: "image",
// Open/close animation type
// Possible values:
// false - disable
// "zoom" - zoom images from/to thumbnail
// "fade"
// "zoom-in-out"
//
animationEffect: "zoom",
// Duration in ms for open/close animation
animationDuration: 366,
// Should image change opacity while zooming
// If opacity is "auto", then opacity will be changed if image and thumbnail have different aspect ratios
zoomOpacity: "auto",
// Transition effect between slides
//
// Possible values:
// false - disable
// "fade'
// "slide'
// "circular'
// "tube'
// "zoom-in-out'
// "rotate'
//
transitionEffect: "fade",
// Duration in ms for transition animation
transitionDuration: 366,
// Custom CSS class for slide element
slideClass: "",
// Custom CSS class for layout
baseClass: "",
// Base template for layout
baseTpl: '
',
btnTpl: {
download: '' +
'' +
"",
zoom: '",
close: '",
// Arrows
arrowLeft: '",
arrowRight: '",
// This small close button will be appended to your html/inline/ajax content by default,
// if "smallBtn" option is not set to false
smallBtn: '"
},
// Container is injected into this element
parentEl: "body",
// Hide browser vertical scrollbars; use at your own risk
hideScrollbar: true,
// Focus handling
// ==============
// Try to focus on the first focusable element after opening
autoFocus: true,
// Put focus back to active element after closing
backFocus: true,
// Do not let user to focus on element outside modal content
trapFocus: true,
// Module specific options
// =======================
fullScreen: {
autoStart: false
},
// Set `touch: false` to disable panning/swiping
touch: {
vertical: true, // Allow to drag content vertically
momentum: true // Continue movement after releasing mouse/touch when panning
},
// Hash value when initializing manually,
// set `false` to disable hash change
hash: null,
// Customize or add new media types
// Example:
/*
media : {
youtube : {
params : {
autoplay : 0
}
}
}
*/
media: {},
slideShow: {
autoStart: false,
speed: 3000
},
thumbs: {
autoStart: false, // Display thumbnails on opening
hideOnClose: true, // Hide thumbnail grid when closing animation starts
parentEl: ".bbcbox-container", // Container is injected into this element
axis: "y" // Vertical (y) or horizontal (x) scrolling
},
// Use mousewheel to navigate gallery
// If 'auto' - enabled for images only
wheel: "auto",
// Callbacks
//==========
// See Documentation/API/Events for more information
// Example:
/*
afterShow: function( instance, current ) {
console.info( 'Clicked element:' );
console.info( current.opts.$orig );
}
*/
onInit: $.noop, // When instance has been initialized
beforeLoad: $.noop, // Before the content of a slide is being loaded
afterLoad: $.noop, // When the content of a slide is done loading
beforeShow: $.noop, // Before open animation starts
afterShow: $.noop, // When content is done loading and animating
beforeClose: $.noop, // Before the instance attempts to close. Return false to cancel the close.
afterClose: $.noop, // After instance has been closed
onActivate: $.noop, // When instance is brought to front
onDeactivate: $.noop, // When other instance has been activated
// Interaction
// ===========
// Use options below to customize taken action when user clicks or double clicks on the bbcbox area,
// each option can be string or method that returns value.
//
// Possible values:
// "close" - close instance
// "next" - move to next gallery item
// "nextOrClose" - move to next gallery item or close if gallery has only one item
// "toggleControls" - show/hide controls
// "zoom" - zoom image (if loaded)
// false - do nothing
// Clicked on the content
clickContent: function (current, event) {
return current.type === "image" ? "zoom" : false;
},
// Clicked on the slide
clickSlide: "close",
// Clicked on the background (backdrop) element;
// if you have not changed the layout, then most likely you need to use `clickSlide` option
clickOutside: "close",
// Same as previous two, but for double click
dblclickContent: false,
dblclickSlide: false,
dblclickOutside: false,
// Custom options when mobile device is detected
// =============================================
mobile: {
preventCaptionOverlap: false,
idleTime: false,
clickContent: function (current, event) {
return current.type === "image" ? "toggleControls" : false;
},
clickSlide: function (current, event) {
return current.type === "image" ? "toggleControls" : "close";
},
dblclickContent: function (current, event) {
return current.type === "image" ? "zoom" : false;
},
dblclickSlide: function (current, event) {
return current.type === "image" ? "zoom" : false;
}
},
// Internationalization
// ====================
lang: "cn",
i18n: {
cn: {
CLOSE: "关闭",
NEXT: "下一页",
PREV: "上一页",
ERROR: "请求内容失败。 请稍后再试。",
PLAY_START: "开启轮播",
PLAY_STOP: "暂停轮播",
FULL_SCREEN: "全屏",
THUMBS: "缩略图",
DOWNLOAD: "下载",
ZOOM: "放大"
}
}
};
// Few useful variables and methods
// ================================
var $W = $(window);
var $D = $(document);
var called = 0;
// Check if an object is a jQuery object and not a native JavaScript object
// ========================================================================
var isQuery = function (obj) {
return obj && obj.hasOwnProperty && obj instanceof $;
};
// Handle multiple browsers for "requestAnimationFrame" and "cancelAnimationFrame"
// ===============================================================================
var requestAFrame = (function () {
return (
window.requestAnimationFrame ||
window.webkitRequestAnimationFrame ||
window.mozRequestAnimationFrame ||
window.oRequestAnimationFrame ||
// if all else fails, use setTimeout
function (callback) {
return window.setTimeout(callback, 1000 / 60);
}
);
})();
var cancelAFrame = (function () {
return (
window.cancelAnimationFrame ||
window.webkitCancelAnimationFrame ||
window.mozCancelAnimationFrame ||
window.oCancelAnimationFrame ||
function (id) {
window.clearTimeout(id);
}
);
})();
// Detect the supported transition-end event property name
// =======================================================
var transitionEnd = (function () {
var el = document.createElement("fakeelement"),
t;
var transitions = {
transition: "transitionend",
OTransition: "oTransitionEnd",
MozTransition: "transitionend",
WebkitTransition: "webkitTransitionEnd"
};
for (t in transitions) {
if (el.style[t] !== undefined) {
return transitions[t];
}
}
return "transitionend";
})();
// Force redraw on an element.
// This helps in cases where the browser doesn't redraw an updated element properly
// ================================================================================
var forceRedraw = function ($el) {
return $el && $el.length && $el[0].offsetHeight;
};
// Exclude array (`buttons`) options from deep merging
// ===================================================
var mergeOpts = function (opts1, opts2) {
var rez = $.extend(true, {}, opts1, opts2);
$.each(opts2, function (key, value) {
if ($.isArray(value)) {
rez[key] = value;
}
});
return rez;
};
// How much of an element is visible in viewport
// =============================================
var inViewport = function (elem) {
var elemCenter, rez;
if (!elem || elem.ownerDocument !== document) {
return false;
}
$(".bbcbox-container").css("pointer-events", "none");
elemCenter = {
x: elem.getBoundingClientRect().left + elem.offsetWidth / 2,
y: elem.getBoundingClientRect().top + elem.offsetHeight / 2
};
rez = document.elementFromPoint(elemCenter.x, elemCenter.y) === elem;
$(".bbcbox-container").css("pointer-events", "");
return rez;
};
// Class definition
// ================
var bbcbox = function (content, opts, index) {
var self = this;
self.opts = mergeOpts({
index: index
}, $.bbcbox.defaults);
if ($.isPlainObject(opts)) {
self.opts = mergeOpts(self.opts, opts);
}
if ($.bbcbox.isMobile) {
self.opts = mergeOpts(self.opts, self.opts.mobile);
}
self.id = self.opts.id || ++called;
self.currIndex = parseInt(self.opts.index, 10) || 0;
self.prevIndex = null;
self.prevPos = null;
self.currPos = 0;
self.firstRun = true;
// All group items
self.group = [];
// Existing slides (for current, next and previous gallery items)
self.slides = {};
// Create group elements
self.addContent(content);
if (!self.group.length) {
return;
}
self.init();
};
$.extend(bbcbox.prototype, {
// Create DOM structure
// ====================
init: function () {
var self = this,
firstItem = self.group[self.currIndex],
firstItemOpts = firstItem.opts,
$container,
buttonStr;
if (firstItemOpts.closeExisting) {
$.bbcbox.close(true);
}
// Hide scrollbars
// ===============
$("body").addClass("bbcbox-active");
if (
!$.bbcbox.getInstance() &&
firstItemOpts.hideScrollbar !== false &&
!$.bbcbox.isMobile &&
document.body.scrollHeight > window.innerHeight
) {
$("head").append(
'"
);
$("body").addClass("compensate-for-scrollbar");
}
// Build html markup and set references
// ====================================
// Build html code for buttons and insert into main template
buttonStr = "";
$.each(firstItemOpts.buttons, function (index, value) {
buttonStr += firstItemOpts.btnTpl[value] || "";
});
// Create markup from base template, it will be initially hidden to
// avoid unnecessary work like painting while initializing is not complete
$container = $(
self.translate(
self,
firstItemOpts.baseTpl
.replace("{{buttons}}", buttonStr)
.replace("{{arrows}}", firstItemOpts.btnTpl.arrowLeft + firstItemOpts.btnTpl.arrowRight)
)
)
.attr("id", "bbcbox-container-" + self.id)
.addClass(firstItemOpts.baseClass)
.data("bbcbox", self)
.appendTo(firstItemOpts.parentEl);
// Create object holding references to jQuery wrapped nodes
self.$refs = {
container: $container
};
["bg", "inner", "infobar", "toolbar", "stage", "caption", "navigation"].forEach(function (item) {
self.$refs[item] = $container.find(".bbcbox-" + item);
});
self.trigger("onInit");
// Enable events, deactive previous instances
self.activate();
// Build slides, load and reveal content
self.jumpTo(self.currIndex);
},
// Simple i18n support - replaces object keys found in template
// with corresponding values
// ============================================================
translate: function (obj, str) {
var arr = obj.opts.i18n[obj.opts.lang] || obj.opts.i18n.en;
return str.replace(/\{\{(\w+)\}\}/g, function (match, n) {
return arr[n] === undefined ? match : arr[n];
});
},
// Populate current group with fresh content
// Check if each object has valid type and content
// ===============================================
addContent: function (content) {
var self = this,
items = $.makeArray(content),
thumbs;
$.each(items, function (i, item) {
var obj = {},
opts = {},
$item,
type,
found,
src,
srcParts;
// Step 1 - Make sure we have an object
// ====================================
if ($.isPlainObject(item)) {
// We probably have manual usage here, something like
// $.bbcbox.open( [ { src : "image.jpg", type : "image" } ] )
obj = item;
opts = item.opts || item;
} else if ($.type(item) === "object" && $(item).length) {
// Here we probably have jQuery collection returned by some selector
$item = $(item);
// Support attributes like `data-options='{"touch" : false}'` and `data-touch='false'`
opts = $item.data() || {};
opts = $.extend(true, {}, opts, opts.options);
// Here we store clicked element
opts.$orig = $item;
obj.src = self.opts.src || opts.src || $item.attr("href");
// Assume that simple syntax is used, for example:
// `$.bbcbox.open( $("#test"), {} );`
if (!obj.type && !obj.src) {
obj.type = "inline";
obj.src = item;
}
} else {
// Assume we have a simple html code, for example:
// $.bbcbox.open( '
Hi!
' );
obj = {
type: "html",
src: item + ""
};
}
// Each gallery object has full collection of options
obj.opts = $.extend(true, {}, self.opts, opts);
// Do not merge buttons array
if ($.isArray(opts.buttons)) {
obj.opts.buttons = opts.buttons;
}
if ($.bbcbox.isMobile && obj.opts.mobile) {
obj.opts = mergeOpts(obj.opts, obj.opts.mobile);
}
// Step 2 - Make sure we have content type, if not - try to guess
// ==============================================================
type = obj.type || obj.opts.type;
src = obj.src || "";
if (!type && src) {
if ((found = src.match(/\.(mp4|mov|ogv|webm)((\?|#).*)?$/i))) {
type = "video";
if (!obj.opts.video.format) {
obj.opts.video.format = "video/" + (found[1] === "ogv" ? "ogg" : found[1]);
}
} else if (src.match(/(^data:image\/[a-z0-9+\/=]*,)|(\.(jp(e|g|eg)|gif|png|bmp|webp|svg|ico)((\?|#).*)?$)/i)) {
type = "image";
} else if (src.match(/\.(pdf)((\?|#).*)?$/i)) {
type = "iframe";
obj = $.extend(true, obj, {
contentType: "pdf",
opts: {
iframe: {
preload: false
}
}
});
} else if (src.charAt(0) === "#") {
type = "inline";
}
}
if (type) {
obj.type = type;
} else {
self.trigger("objectNeedsType", obj);
}
if (!obj.contentType) {
obj.contentType = $.inArray(obj.type, ["html", "inline", "ajax"]) > -1 ? "html" : obj.type;
}
// Step 3 - Some adjustments
// =========================
obj.index = self.group.length;
if (obj.opts.smallBtn == "auto") {
obj.opts.smallBtn = $.inArray(obj.type, ["html", "inline", "ajax"]) > -1;
}
if (obj.opts.toolbar === "auto") {
obj.opts.toolbar = !obj.opts.smallBtn;
}
// Find thumbnail image, check if exists and if is in the viewport
obj.$thumb = obj.opts.$thumb || null;
if (obj.opts.$trigger && obj.index === self.opts.index) {
obj.$thumb = obj.opts.$trigger.find("img:first");
if (obj.$thumb.length) {
obj.opts.$orig = obj.opts.$trigger;
}
}
if (!(obj.$thumb && obj.$thumb.length) && obj.opts.$orig) {
obj.$thumb = obj.opts.$orig.find("img:first");
}
if (obj.$thumb && !obj.$thumb.length) {
obj.$thumb = null;
}
obj.thumb = obj.opts.thumb || (obj.$thumb ? obj.$thumb[0].src : null);
// "caption" is a "special" option, it can be used to customize caption per gallery item
if ($.type(obj.opts.caption) === "function") {
obj.opts.caption = obj.opts.caption.apply(item, [self, obj]);
}
if ($.type(self.opts.caption) === "function") {
obj.opts.caption = self.opts.caption.apply(item, [self, obj]);
}
// Make sure we have caption as a string or jQuery object
if (!(obj.opts.caption instanceof $)) {
obj.opts.caption = obj.opts.caption === undefined ? "" : obj.opts.caption + "";
}
// Check if url contains "filter" used to filter the content
// Example: "ajax.html #something"
if (obj.type === "ajax") {
srcParts = src.split(/\s+/, 2);
if (srcParts.length > 1) {
obj.src = srcParts.shift();
obj.opts.filter = srcParts.shift();
}
}
// Hide all buttons and disable interactivity for modal items
if (obj.opts.modal) {
obj.opts = $.extend(true, obj.opts, {
trapFocus: true,
// Remove buttons
infobar: 0,
toolbar: 0,
smallBtn: 0,
// Disable keyboard navigation
keyboard: 0,
// Disable some modules
slideShow: 0,
fullScreen: 0,
thumbs: 0,
touch: 0,
// Disable click event handlers
clickContent: false,
clickSlide: false,
clickOutside: false,
dblclickContent: false,
dblclickSlide: false,
dblclickOutside: false
});
}
// Step 4 - Add processed object to group
// ======================================
self.group.push(obj);
});
// Update controls if gallery is already opened
if (Object.keys(self.slides).length) {
self.updateControls();
// Update thumbnails, if needed
thumbs = self.Thumbs;
if (thumbs && thumbs.isActive) {
thumbs.create();
thumbs.focus();
}
}
},
// Attach an event handler functions for:
// - navigation buttons
// - browser scrolling, resizing;
// - focusing
// - keyboard
// - detecting inactivity
// ======================================
addEvents: function () {
var self = this;
self.removeEvents();
// Make navigation elements clickable
// ==================================
self.$refs.container
.on("click.bbc-close", "[data-bbcbox-close]", function (e) {
e.stopPropagation();
e.preventDefault();
self.close(e);
})
.on("touchstart.bbc-prev click.bbc-prev", "[data-bbcbox-prev]", function (e) {
e.stopPropagation();
e.preventDefault();
self.previous();
})
.on("touchstart.bbc-next click.bbc-next", "[data-bbcbox-next]", function (e) {
e.stopPropagation();
e.preventDefault();
self.next();
})
.on("click.bbc", "[data-bbcbox-zoom]", function (e) {
// Click handler for zoom button
self[self.isScaledDown() ? "scaleToActual" : "scaleToFit"]();
});
// Handle page scrolling and browser resizing
// ==========================================
$W.on("orientationchange.bbc resize.bbc", function (e) {
if (e && e.originalEvent && e.originalEvent.type === "resize") {
if (self.requestId) {
cancelAFrame(self.requestId);
}
self.requestId = requestAFrame(function () {
self.update(e);
});
} else {
if (self.current && self.current.type === "iframe") {
self.$refs.stage.hide();
}
setTimeout(
function () {
self.$refs.stage.show();
self.update(e);
},
$.bbcbox.isMobile ? 600 : 250
);
}
});
$D.on("keydown.bbc", function (e) {
var instance = $.bbcbox ? $.bbcbox.getInstance() : null,
current = instance.current,
keycode = e.keyCode || e.which;
// Trap keyboard focus inside of the modal
// =======================================
if (keycode == 9) {
if (current.opts.trapFocus) {
self.focus(e);
}
return;
}
// Enable keyboard navigation
// ==========================
if (!current.opts.keyboard || e.ctrlKey || e.altKey || e.shiftKey || $(e.target).is("input,textarea,video,audio,select")) {
return;
}
// Backspace and Esc keys
if (keycode === 8 || keycode === 27) {
e.preventDefault();
self.close(e);
return;
}
// Left arrow and Up arrow
if (keycode === 37 || keycode === 38) {
e.preventDefault();
self.previous();
return;
}
// Righ arrow and Down arrow
if (keycode === 39 || keycode === 40) {
e.preventDefault();
self.next();
return;
}
self.trigger("afterKeydown", e, keycode);
});
// Hide controls after some inactivity period
if (self.group[self.currIndex].opts.idleTime) {
self.idleSecondsCounter = 0;
$D.on(
"mousemove.bbc-idle mouseleave.bbc-idle mousedown.bbc-idle touchstart.bbc-idle touchmove.bbc-idle scroll.bbc-idle keydown.bbc-idle",
function (e) {
self.idleSecondsCounter = 0;
if (self.isIdle) {
self.showControls();
}
self.isIdle = false;
}
);
self.idleInterval = window.setInterval(function () {
self.idleSecondsCounter++;
if (self.idleSecondsCounter >= self.group[self.currIndex].opts.idleTime && !self.isDragging) {
self.isIdle = true;
self.idleSecondsCounter = 0;
self.hideControls();
}
}, 1000);
}
},
// Remove events added by the core
// ===============================
removeEvents: function () {
var self = this;
$W.off("orientationchange.bbc resize.bbc");
$D.off("keydown.bbc .bbc-idle");
this.$refs.container.off(".bbc-close .bbc-prev .bbc-next");
if (self.idleInterval) {
window.clearInterval(self.idleInterval);
self.idleInterval = null;
}
},
// Change to previous gallery item
// ===============================
previous: function (duration) {
return this.jumpTo(this.currPos - 1, duration);
},
// Change to next gallery item
// ===========================
next: function (duration) {
return this.jumpTo(this.currPos + 1, duration);
},
// Switch to selected gallery item
// ===============================
jumpTo: function (pos, duration) {
var self = this,
groupLen = self.group.length,
firstRun,
isMoved,
loop,
current,
previous,
slidePos,
stagePos,
prop,
diff;
if (self.isDragging || self.isClosing || (self.isAnimating && self.firstRun)) {
return;
}
// Should loop?
pos = parseInt(pos, 10);
loop = self.current ? self.current.opts.loop : self.opts.loop;
if (!loop && (pos < 0 || pos >= groupLen)) {
return false;
}
// Check if opening for the first time; this helps to speed things up
firstRun = self.firstRun = !Object.keys(self.slides).length;
// Create slides
previous = self.current;
self.prevIndex = self.currIndex;
self.prevPos = self.currPos;
current = self.createSlide(pos);
if (groupLen > 1) {
if (loop || current.index < groupLen - 1) {
self.createSlide(pos + 1);
}
if (loop || current.index > 0) {
self.createSlide(pos - 1);
}
}
self.current = current;
self.currIndex = current.index;
self.currPos = current.pos;
self.trigger("beforeShow", firstRun);
self.updateControls();
// Validate duration length
current.forcedDuration = undefined;
if ($.isNumeric(duration)) {
current.forcedDuration = duration;
} else {
duration = current.opts[firstRun ? "animationDuration" : "transitionDuration"];
}
duration = parseInt(duration, 10);
// Check if user has swiped the slides or if still animating
isMoved = self.isMoved(current);
// Make sure current slide is visible
current.$slide.addClass("bbcbox-slide--current");
// Fresh start - reveal container, current slide and start loading content
if (firstRun) {
if (current.opts.animationEffect && duration) {
self.$refs.container.css("transition-duration", duration + "ms");
}
self.$refs.container.addClass("bbcbox-is-open").trigger("focus");
// Attempt to load content into slide
// This will later call `afterLoad` -> `revealContent`
self.loadSlide(current);
self.preload("image");
return;
}
// Get actual slide/stage positions (before cleaning up)
slidePos = $.bbcbox.getTranslate(previous.$slide);
stagePos = $.bbcbox.getTranslate(self.$refs.stage);
// Clean up all slides
$.each(self.slides, function (index, slide) {
$.bbcbox.stop(slide.$slide, true);
});
if (previous.pos !== current.pos) {
previous.isComplete = false;
}
previous.$slide.removeClass("bbcbox-slide--complete bbcbox-slide--current");
// If slides are out of place, then animate them to correct position
if (isMoved) {
// Calculate horizontal swipe distance
diff = slidePos.left - (previous.pos * slidePos.width + previous.pos * previous.opts.gutter);
$.each(self.slides, function (index, slide) {
slide.$slide.removeClass("bbcbox-animated").removeClass(function (index, className) {
return (className.match(/(^|\s)bbcbox-fx-\S+/g) || []).join(" ");
});
// Make sure that each slide is in equal distance
// This is mostly needed for freshly added slides, because they are not yet positioned
var leftPos = slide.pos * slidePos.width + slide.pos * slide.opts.gutter;
$.bbcbox.setTranslate(slide.$slide, {
top: 0,
left: leftPos - stagePos.left + diff
});
if (slide.pos !== current.pos) {
slide.$slide.addClass("bbcbox-slide--" + (slide.pos > current.pos ? "next" : "previous"));
}
// Redraw to make sure that transition will start
forceRedraw(slide.$slide);
// Animate the slide
$.bbcbox.animate(
slide.$slide, {
top: 0,
left: (slide.pos - current.pos) * slidePos.width + (slide.pos - current.pos) * slide.opts.gutter
},
duration,
function () {
slide.$slide
.css({
transform: "",
opacity: ""
})
.removeClass("bbcbox-slide--next bbcbox-slide--previous");
if (slide.pos === self.currPos) {
self.complete();
}
}
);
});
} else if (duration && current.opts.transitionEffect) {
// Set transition effect for previously active slide
prop = "bbcbox-animated bbcbox-fx-" + current.opts.transitionEffect;
previous.$slide.addClass("bbcbox-slide--" + (previous.pos > current.pos ? "next" : "previous"));
$.bbcbox.animate(
previous.$slide,
prop,
duration,
function () {
previous.$slide.removeClass(prop).removeClass("bbcbox-slide--next bbcbox-slide--previous");
},
false
);
}
if (current.isLoaded) {
self.revealContent(current);
} else {
self.loadSlide(current);
}
self.preload("image");
},
// Create new "slide" element
// These are gallery items that are actually added to DOM
// =======================================================
createSlide: function (pos) {
var self = this,
$slide,
index;
index = pos % self.group.length;
index = index < 0 ? self.group.length + index : index;
if (!self.slides[pos] && self.group[index]) {
$slide = $('').appendTo(self.$refs.stage);
self.slides[pos] = $.extend(true, {}, self.group[index], {
pos: pos,
$slide: $slide,
isLoaded: false
});
self.updateSlide(self.slides[pos]);
}
return self.slides[pos];
},
// Scale image to the actual size of the image;
// x and y values should be relative to the slide
// ==============================================
scaleToActual: function (x, y, duration) {
var self = this,
current = self.current,
$content = current.$content,
canvasWidth = $.bbcbox.getTranslate(current.$slide).width,
canvasHeight = $.bbcbox.getTranslate(current.$slide).height,
newImgWidth = current.width,
newImgHeight = current.height,
imgPos,
posX,
posY,
scaleX,
scaleY;
if (self.isAnimating || self.isMoved() || !$content || !(current.type == "image" && current.isLoaded && !current.hasError)) {
return;
}
self.isAnimating = true;
$.bbcbox.stop($content);
x = x === undefined ? canvasWidth * 0.5 : x;
y = y === undefined ? canvasHeight * 0.5 : y;
imgPos = $.bbcbox.getTranslate($content);
imgPos.top -= $.bbcbox.getTranslate(current.$slide).top;
imgPos.left -= $.bbcbox.getTranslate(current.$slide).left;
scaleX = newImgWidth / imgPos.width;
scaleY = newImgHeight / imgPos.height;
// Get center position for original image
posX = canvasWidth * 0.5 - newImgWidth * 0.5;
posY = canvasHeight * 0.5 - newImgHeight * 0.5;
// Make sure image does not move away from edges
if (newImgWidth > canvasWidth) {
posX = imgPos.left * scaleX - (x * scaleX - x);
if (posX > 0) {
posX = 0;
}
if (posX < canvasWidth - newImgWidth) {
posX = canvasWidth - newImgWidth;
}
}
if (newImgHeight > canvasHeight) {
posY = imgPos.top * scaleY - (y * scaleY - y);
if (posY > 0) {
posY = 0;
}
if (posY < canvasHeight - newImgHeight) {
posY = canvasHeight - newImgHeight;
}
}
self.updateCursor(newImgWidth, newImgHeight);
$.bbcbox.animate(
$content, {
top: posY,
left: posX,
scaleX: scaleX,
scaleY: scaleY
},
duration || 366,
function () {
self.isAnimating = false;
}
);
// Stop slideshow
if (self.SlideShow && self.SlideShow.isActive) {
self.SlideShow.stop();
}
},
// Scale image to fit inside parent element
// ========================================
scaleToFit: function (duration) {
var self = this,
current = self.current,
$content = current.$content,
end;
if (self.isAnimating || self.isMoved() || !$content || !(current.type == "image" && current.isLoaded && !current.hasError)) {
return;
}
self.isAnimating = true;
$.bbcbox.stop($content);
end = self.getFitPos(current);
self.updateCursor(end.width, end.height);
$.bbcbox.animate(
$content, {
top: end.top,
left: end.left,
scaleX: end.width / $content.width(),
scaleY: end.height / $content.height()
},
duration || 366,
function () {
self.isAnimating = false;
}
);
},
// Calculate image size to fit inside viewport
// ===========================================
getFitPos: function (slide) {
var self = this,
$content = slide.$content,
$slide = slide.$slide,
width = slide.width || slide.opts.width,
height = slide.height || slide.opts.height,
maxWidth,
maxHeight,
minRatio,
aspectRatio,
rez = {};
if (!slide.isLoaded || !$content || !$content.length) {
return false;
}
maxWidth = $.bbcbox.getTranslate(self.$refs.stage).width;
maxHeight = $.bbcbox.getTranslate(self.$refs.stage).height;
maxWidth -=
parseFloat($slide.css("paddingLeft")) +
parseFloat($slide.css("paddingRight")) +
parseFloat($content.css("marginLeft")) +
parseFloat($content.css("marginRight"));
maxHeight -=
parseFloat($slide.css("paddingTop")) +
parseFloat($slide.css("paddingBottom")) +
parseFloat($content.css("marginTop")) +
parseFloat($content.css("marginBottom"));
if (!width || !height) {
width = maxWidth;
height = maxHeight;
}
minRatio = Math.min(1, maxWidth / width, maxHeight / height);
width = minRatio * width;
height = minRatio * height;
// Adjust width/height to precisely fit into container
if (width > maxWidth - 0.5) {
width = maxWidth;
}
if (height > maxHeight - 0.5) {
height = maxHeight;
}
if (slide.type === "image") {
rez.top = Math.floor((maxHeight - height) * 0.5) + parseFloat($slide.css("paddingTop"));
rez.left = Math.floor((maxWidth - width) * 0.5) + parseFloat($slide.css("paddingLeft"));
} else if (slide.contentType === "video") {
// Force aspect ratio for the video
// "I say the whole world must learn of our peaceful ways… by force!"
aspectRatio = slide.opts.width && slide.opts.height ? width / height : slide.opts.ratio || 16 / 9;
if (height > width / aspectRatio) {
height = width / aspectRatio;
} else if (width > height * aspectRatio) {
width = height * aspectRatio;
}
}
rez.width = width;
rez.height = height;
return rez;
},
// Update content size and position for all slides
// ==============================================
update: function (e) {
var self = this;
$.each(self.slides, function (key, slide) {
self.updateSlide(slide, e);
});
},
// Update slide content position and size
// ======================================
updateSlide: function (slide, e) {
var self = this,
$content = slide && slide.$content,
width = slide.width || slide.opts.width,
height = slide.height || slide.opts.height,
$slide = slide.$slide;
// First, prevent caption overlap, if needed
self.adjustCaption(slide);
// Then resize content to fit inside the slide
if ($content && (width || height || slide.contentType === "video") && !slide.hasError) {
$.bbcbox.stop($content);
$.bbcbox.setTranslate($content, self.getFitPos(slide));
if (slide.pos === self.currPos) {
self.isAnimating = false;
self.updateCursor();
}
}
// Then some adjustments
self.adjustLayout(slide);
if ($slide.length) {
$slide.trigger("refresh");
if (slide.pos === self.currPos) {
self.$refs.toolbar
.add(self.$refs.navigation.find(".bbcbox-button--arrow_right"))
.toggleClass("compensate-for-scrollbar", $slide.get(0).scrollHeight > $slide.get(0).clientHeight);
}
}
self.trigger("onUpdate", slide, e);
},
// Horizontally center slide
// =========================
centerSlide: function (duration) {
var self = this,
current = self.current,
$slide = current.$slide;
if (self.isClosing || !current) {
return;
}
$slide.siblings().css({
transform: "",
opacity: ""
});
$slide
.parent()
.children()
.removeClass("bbcbox-slide--previous bbcbox-slide--next");
$.bbcbox.animate(
$slide, {
top: 0,
left: 0,
opacity: 1
},
duration === undefined ? 0 : duration,
function () {
// Clean up
$slide.css({
transform: "",
opacity: ""
});
if (!current.isComplete) {
self.complete();
}
},
false
);
},
// Check if current slide is moved (swiped)
// ========================================
isMoved: function (slide) {
var current = slide || this.current,
slidePos,
stagePos;
if (!current) {
return false;
}
stagePos = $.bbcbox.getTranslate(this.$refs.stage);
slidePos = $.bbcbox.getTranslate(current.$slide);
return (
!current.$slide.hasClass("bbcbox-animated") &&
(Math.abs(slidePos.top - stagePos.top) > 0.5 || Math.abs(slidePos.left - stagePos.left) > 0.5)
);
},
// Update cursor style depending if content can be zoomed
// ======================================================
updateCursor: function (nextWidth, nextHeight) {
var self = this,
current = self.current,
$container = self.$refs.container,
canPan,
isZoomable;
if (!current || self.isClosing || !self.Guestures) {
return;
}
$container.removeClass("bbcbox-is-zoomable bbcbox-can-zoomIn bbcbox-can-zoomOut bbcbox-can-swipe bbcbox-can-pan");
canPan = self.canPan(nextWidth, nextHeight);
isZoomable = canPan ? true : self.isZoomable();
$container.toggleClass("bbcbox-is-zoomable", isZoomable);
$("[data-bbcbox-zoom]").prop("disabled", !isZoomable);
if (canPan) {
$container.addClass("bbcbox-can-pan");
} else if (
isZoomable &&
(current.opts.clickContent === "zoom" || ($.isFunction(current.opts.clickContent) && current.opts.clickContent(current) == "zoom"))
) {
$container.addClass("bbcbox-can-zoomIn");
} else if (current.opts.touch && (current.opts.touch.vertical || self.group.length > 1) && current.contentType !== "video") {
$container.addClass("bbcbox-can-swipe");
}
},
// Check if current slide is zoomable
// ==================================
isZoomable: function () {
var self = this,
current = self.current,
fitPos;
// Assume that slide is zoomable if:
// - image is still loading
// - actual size of the image is smaller than available area
if (current && !self.isClosing && current.type === "image" && !current.hasError) {
if (!current.isLoaded) {
return true;
}
fitPos = self.getFitPos(current);
if (fitPos && (current.width > fitPos.width || current.height > fitPos.height)) {
return true;
}
}
return false;
},
// Check if current image dimensions are smaller than actual
// =========================================================
isScaledDown: function (nextWidth, nextHeight) {
var self = this,
rez = false,
current = self.current,
$content = current.$content;
if (nextWidth !== undefined && nextHeight !== undefined) {
rez = nextWidth < current.width && nextHeight < current.height;
} else if ($content) {
rez = $.bbcbox.getTranslate($content);
rez = rez.width < current.width && rez.height < current.height;
}
return rez;
},
// Check if image dimensions exceed parent element
// ===============================================
canPan: function (nextWidth, nextHeight) {
var self = this,
current = self.current,
pos = null,
rez = false;
if (current.type === "image" && (current.isComplete || (nextWidth && nextHeight)) && !current.hasError) {
rez = self.getFitPos(current);
if (nextWidth !== undefined && nextHeight !== undefined) {
pos = {
width: nextWidth,
height: nextHeight
};
} else if (current.isComplete) {
pos = $.bbcbox.getTranslate(current.$content);
}
if (pos && rez) {
rez = Math.abs(pos.width - rez.width) > 1.5 || Math.abs(pos.height - rez.height) > 1.5;
}
}
return rez;
},
// Load content into the slide
// ===========================
loadSlide: function (slide) {
var self = this,
type,
$slide,
ajaxLoad;
if (slide.isLoading || slide.isLoaded) {
return;
}
slide.isLoading = true;
if (self.trigger("beforeLoad", slide) === false) {
slide.isLoading = false;
return false;
}
type = slide.type;
$slide = slide.$slide;
$slide
.off("refresh")
.trigger("onReset")
.addClass(slide.opts.slideClass);
// Create content depending on the type
switch (type) {
case "image":
self.setImage(slide);
break;
case "iframe":
self.setIframe(slide);
break;
case "html":
self.setContent(slide, slide.src || slide.content);
break;
case "video":
self.setContent(
slide,
slide.opts.video.tpl
.replace(/\{\{src\}\}/gi, slide.src)
.replace("{{format}}", slide.opts.videoFormat || slide.opts.video.format || "")
.replace("{{poster}}", slide.thumb || "")
);
break;
case "inline":
if ($(slide.src).length) {
self.setContent(slide, $(slide.src));
} else {
self.setError(slide);
}
break;
case "ajax":
self.showLoading(slide);
ajaxLoad = $.ajax(
$.extend({}, slide.opts.ajax.settings, {
url: slide.src,
success: function (data, textStatus) {
if (textStatus === "success") {
self.setContent(slide, data);
}
},
error: function (jqXHR, textStatus) {
if (jqXHR && textStatus !== "abort") {
self.setError(slide);
}
}
})
);
$slide.one("onReset", function () {
ajaxLoad.abort();
});
break;
default:
self.setError(slide);
break;
}
return true;
},
// Use thumbnail image, if possible
// ================================
setImage: function (slide) {
var self = this,
ghost;
// Check if need to show loading icon
setTimeout(function () {
var $img = slide.$image;
if (!self.isClosing && slide.isLoading && (!$img || !$img.length || !$img[0].complete) && !slide.hasError) {
self.showLoading(slide);
}
}, 50);
//Check if image has srcset
self.checkSrcset(slide);
// This will be wrapper containing both ghost and actual image
slide.$content = $('')
.addClass("bbcbox-is-hidden")
.appendTo(slide.$slide.addClass("bbcbox-slide--image"));
// If we have a thumbnail, we can display it while actual image is loading
// Users will not stare at black screen and actual image will appear gradually
if (slide.opts.preload !== false && slide.opts.width && slide.opts.height && slide.thumb) {
slide.width = slide.opts.width;
slide.height = slide.opts.height;
ghost = document.createElement("img");
ghost.onerror = function () {
$(this).remove();
slide.$ghost = null;
};
ghost.onload = function () {
self.afterLoad(slide);
};
slide.$ghost = $(ghost)
.addClass("bbcbox-image")
.appendTo(slide.$content)
.attr("src", slide.thumb);
}
// Start loading actual image
self.setBigImage(slide);
},
// Check if image has srcset and get the source
// ============================================
checkSrcset: function (slide) {
var srcset = slide.opts.srcset || slide.opts.image.srcset,
found,
temp,
pxRatio,
windowWidth;
// If we have "srcset", then we need to find first matching "src" value.
// This is necessary, because when you set an src attribute, the browser will preload the image
// before any javascript or even CSS is applied.
if (srcset) {
pxRatio = window.devicePixelRatio || 1;
windowWidth = window.innerWidth * pxRatio;
temp = srcset.split(",").map(function (el) {
var ret = {};
el.trim()
.split(/\s+/)
.forEach(function (el, i) {
var value = parseInt(el.substring(0, el.length - 1), 10);
if (i === 0) {
return (ret.url = el);
}
if (value) {
ret.value = value;
ret.postfix = el[el.length - 1];
}
});
return ret;
});
// Sort by value
temp.sort(function (a, b) {
return a.value - b.value;
});
// Ok, now we have an array of all srcset values
for (var j = 0; j < temp.length; j++) {
var el = temp[j];
if ((el.postfix === "w" && el.value >= windowWidth) || (el.postfix === "x" && el.value >= pxRatio)) {
found = el;
break;
}
}
// If not found, take the last one
if (!found && temp.length) {
found = temp[temp.length - 1];
}
if (found) {
slide.src = found.url;
// If we have default width/height values, we can calculate height for matching source
if (slide.width && slide.height && found.postfix == "w") {
slide.height = (slide.width / slide.height) * found.value;
slide.width = found.value;
}
slide.opts.srcset = srcset;
}
}
},
// Create full-size image
// ======================
setBigImage: function (slide) {
var self = this,
img = document.createElement("img"),
$img = $(img);
slide.$image = $img
.one("error", function () {
self.setError(slide);
})
.one("load", function () {
var sizes;
if (!slide.$ghost) {
self.resolveImageSlideSize(slide, this.naturalWidth, this.naturalHeight);
self.afterLoad(slide);
}
if (self.isClosing) {
return;
}
if (slide.opts.srcset) {
sizes = slide.opts.sizes;
if (!sizes || sizes === "auto") {
sizes =
(slide.width / slide.height > 1 && $W.width() / $W.height() > 1 ? "100" : Math.round((slide.width / slide.height) * 100)) +
"vw";
}
$img.attr("sizes", sizes).attr("srcset", slide.opts.srcset);
}
// Hide temporary image after some delay
if (slide.$ghost) {
setTimeout(function () {
if (slide.$ghost && !self.isClosing) {
slide.$ghost.hide();
}
}, Math.min(300, Math.max(1000, slide.height / 1600)));
}
self.hideLoading(slide);
})
.addClass("bbcbox-image")
.attr("src", slide.src)
.appendTo(slide.$content);
if ((img.complete || img.readyState == "complete") && $img.naturalWidth && $img.naturalHeight) {
$img.trigger("load");
} else if (img.error) {
$img.trigger("error");
}
},
// Computes the slide size from image size and maxWidth/maxHeight
// ==============================================================
resolveImageSlideSize: function (slide, imgWidth, imgHeight) {
var maxWidth = parseInt(slide.opts.width, 10),
maxHeight = parseInt(slide.opts.height, 10);
// Sets the default values from the image
slide.width = imgWidth;
slide.height = imgHeight;
if (maxWidth > 0) {
slide.width = maxWidth;
slide.height = Math.floor((maxWidth * imgHeight) / imgWidth);
}
if (maxHeight > 0) {
slide.width = Math.floor((maxHeight * imgWidth) / imgHeight);
slide.height = maxHeight;
}
},
// Create iframe wrapper, iframe and bindings
// ==========================================
setIframe: function (slide) {
var self = this,
opts = slide.opts.iframe,
$slide = slide.$slide,
$iframe;
slide.$content = $('')
.css(opts.css)
.appendTo($slide);
$slide.addClass("bbcbox-slide--" + slide.contentType);
slide.$iframe = $iframe = $(opts.tpl.replace(/\{rnd\}/g, new Date().getTime()))
.attr(opts.attr)
.appendTo(slide.$content);
if (opts.preload) {
self.showLoading(slide);
// Unfortunately, it is not always possible to determine if iframe is successfully loaded
// (due to browser security policy)
$iframe.on("load.bbc error.bbc", function (e) {
this.isReady = 1;
slide.$slide.trigger("refresh");
self.afterLoad(slide);
});
// Recalculate iframe content size
// ===============================
$slide.on("refresh.bbc", function () {
var $content = slide.$content,
frameWidth = opts.css.width,
frameHeight = opts.css.height,
$contents,
$body;
if ($iframe[0].isReady !== 1) {
return;
}
try {
$contents = $iframe.contents();
$body = $contents.find("body");
} catch (ignore) {}
// Calculate content dimensions, if it is accessible
if ($body && $body.length && $body.children().length) {
// Avoid scrolling to top (if multiple instances)
$slide.css("overflow", "visible");
$content.css({
width: "100%",
"max-width": "100%",
height: "9999px"
});
if (frameWidth === undefined) {
frameWidth = Math.ceil(Math.max($body[0].clientWidth, $body.outerWidth(true)));
}
$content.css("width", frameWidth ? frameWidth : "").css("max-width", "");
if (frameHeight === undefined) {
frameHeight = Math.ceil(Math.max($body[0].clientHeight, $body.outerHeight(true)));
}
$content.css("height", frameHeight ? frameHeight : "");
$slide.css("overflow", "auto");
}
$content.removeClass("bbcbox-is-hidden");
});
} else {
self.afterLoad(slide);
}
$iframe.attr("src", slide.src);
// Remove iframe if closing or changing gallery item
$slide.one("onReset", function () {
// This helps IE not to throw errors when closing
try {
$(this)
.find("iframe")
.hide()
.unbind()
.attr("src", "//about:blank");
} catch (ignore) {}
$(this)
.off("refresh.bbc")
.empty();
slide.isLoaded = false;
slide.isRevealed = false;
});
},
// Wrap and append content to the slide
// ======================================
setContent: function (slide, content) {
var self = this;
if (self.isClosing) {
return;
}
self.hideLoading(slide);
if (slide.$content) {
$.bbcbox.stop(slide.$content);
}
slide.$slide.empty();
// If content is a jQuery object, then it will be moved to the slide.
// The placeholder is created so we will know where to put it back.
if (isQuery(content) && content.parent().length) {
// Make sure content is not already moved to bbcbox
if (content.hasClass("bbcbox-content") || content.parent().hasClass("bbcbox-content")) {
content.parents(".bbcbox-slide").trigger("onReset");
}
// Create temporary element marking original place of the content
slide.$placeholder = $("
")
.hide()
.insertAfter(content);
// Make sure content is visible
content.css("display", "inline-block");
} else if (!slide.hasError) {
// If content is just a plain text, try to convert it to html
if ($.type(content) === "string") {
content = $("
")
.append($.trim(content))
.contents();
}
// If "filter" option is provided, then filter content
if (slide.opts.filter) {
content = $("
")
.html(content)
.find(slide.opts.filter);
}
}
slide.$slide.one("onReset", function () {
// Pause all html5 video/audio
$(this)
.find("video,audio")
.trigger("pause");
// Put content back
if (slide.$placeholder) {
slide.$placeholder.after(content.removeClass("bbcbox-content").hide()).remove();
slide.$placeholder = null;
}
// Remove custom close button
if (slide.$smallBtn) {
slide.$smallBtn.remove();
slide.$smallBtn = null;
}
// Remove content and mark slide as not loaded
if (!slide.hasError) {
$(this).empty();
slide.isLoaded = false;
slide.isRevealed = false;
}
});
$(content).appendTo(slide.$slide);
if ($(content).is("video,audio")) {
$(content).addClass("bbcbox-video");
$(content).wrap("");
slide.contentType = "video";
slide.opts.width = slide.opts.width || $(content).attr("width");
slide.opts.height = slide.opts.height || $(content).attr("height");
}
slide.$content = slide.$slide
.children()
.filter("div,form,main,video,audio,article,.bbcbox-content")
.first();
slide.$content.siblings().hide();
// Re-check if there is a valid content
// (in some cases, ajax response can contain various elements or plain text)
if (!slide.$content.length) {
slide.$content = slide.$slide
.wrapInner("")
.children()
.first();
}
slide.$content.addClass("bbcbox-content");
slide.$slide.addClass("bbcbox-slide--" + slide.contentType);
self.afterLoad(slide);
},
// Display error message
// =====================
setError: function (slide) {
slide.hasError = true;
slide.$slide
.trigger("onReset")
.removeClass("bbcbox-slide--" + slide.contentType)
.addClass("bbcbox-slide--error");
slide.contentType = "html";
this.setContent(slide, this.translate(slide, slide.opts.errorTpl));
if (slide.pos === this.currPos) {
this.isAnimating = false;
}
},
// Show loading icon inside the slide
// ==================================
showLoading: function (slide) {
var self = this;
slide = slide || self.current;
if (slide && !slide.$spinner) {
slide.$spinner = $(self.translate(self, self.opts.spinnerTpl))
.appendTo(slide.$slide)
.hide()
.fadeIn("fast");
}
},
// Remove loading icon from the slide
// ==================================
hideLoading: function (slide) {
var self = this;
slide = slide || self.current;
if (slide && slide.$spinner) {
slide.$spinner.stop().remove();
delete slide.$spinner;
}
},
// Adjustments after slide content has been loaded
// ===============================================
afterLoad: function (slide) {
var self = this;
if (self.isClosing) {
return;
}
slide.isLoading = false;
slide.isLoaded = true;
self.trigger("afterLoad", slide);
self.hideLoading(slide);
// Add small close button
if (slide.opts.smallBtn && (!slide.$smallBtn || !slide.$smallBtn.length)) {
slide.$smallBtn = $(self.translate(slide, slide.opts.btnTpl.smallBtn)).appendTo(slide.$content);
}
// Disable right click
if (slide.opts.protect && slide.$content && !slide.hasError) {
slide.$content.on("contextmenu.bbc", function (e) {
if (e.button == 2) {
e.preventDefault();
}
return true;
});
// Add fake element on top of the image
// This makes a bit harder for user to select image
if (slide.type === "image") {
$('').appendTo(slide.$content);
}
}
self.adjustCaption(slide);
self.adjustLayout(slide);
if (slide.pos === self.currPos) {
self.updateCursor();
}
self.revealContent(slide);
},
// Prevent caption overlap,
// fix css inconsistency across browsers
// =====================================
adjustCaption: function (slide) {
var self = this,
current = slide || self.current,
caption = current.opts.caption,
preventOverlap = current.opts.preventCaptionOverlap,
$caption = self.$refs.caption,
$clone,
captionH = false;
$caption.toggleClass("bbcbox-caption--separate", preventOverlap);
if (preventOverlap && caption && caption.length) {
if (current.pos !== self.currPos) {
$clone = $caption.clone().appendTo($caption.parent());
$clone
.children()
.eq(0)
.empty()
.html(caption);
captionH = $clone.outerHeight(true);
$clone.empty().remove();
} else if (self.$caption) {
captionH = self.$caption.outerHeight(true);
}
current.$slide.css("padding-bottom", captionH || "");
}
},
// Simple hack to fix inconsistency across browsers, described here (affects Edge, too):
// https://bugzilla.mozilla.org/show_bug.cgi?id=748518
// ====================================================================================
adjustLayout: function (slide) {
var self = this,
current = slide || self.current,
scrollHeight,
marginBottom,
inlinePadding,
actualPadding;
if (current.isLoaded && current.opts.disableLayoutFix !== true) {
current.$content.css("margin-bottom", "");
// If we would always set margin-bottom for the content,
// then it would potentially break vertical align
if (current.$content.outerHeight() > current.$slide.height() + 0.5) {
inlinePadding = current.$slide[0].style["padding-bottom"];
actualPadding = current.$slide.css("padding-bottom");
if (parseFloat(actualPadding) > 0) {
scrollHeight = current.$slide[0].scrollHeight;
current.$slide.css("padding-bottom", 0);
if (Math.abs(scrollHeight - current.$slide[0].scrollHeight) < 1) {
marginBottom = actualPadding;
}
current.$slide.css("padding-bottom", inlinePadding);
}
}
current.$content.css("margin-bottom", marginBottom);
}
},
// Make content visible
// This method is called right after content has been loaded or
// user navigates gallery and transition should start
// ============================================================
revealContent: function (slide) {
var self = this,
$slide = slide.$slide,
end = false,
start = false,
isMoved = self.isMoved(slide),
isRevealed = slide.isRevealed,
effect,
effectClassName,
duration,
opacity;
slide.isRevealed = true;
effect = slide.opts[self.firstRun ? "animationEffect" : "transitionEffect"];
duration = slide.opts[self.firstRun ? "animationDuration" : "transitionDuration"];
duration = parseInt(slide.forcedDuration === undefined ? duration : slide.forcedDuration, 10);
if (isMoved || slide.pos !== self.currPos || !duration) {
effect = false;
}
// Check if can zoom
if (effect === "zoom") {
if (slide.pos === self.currPos && duration && slide.type === "image" && !slide.hasError && (start = self.getThumbPos(slide))) {
end = self.getFitPos(slide);
} else {
effect = "fade";
}
}
// Zoom animation
// ==============
if (effect === "zoom") {
self.isAnimating = true;
end.scaleX = end.width / start.width;
end.scaleY = end.height / start.height;
// Check if we need to animate opacity
opacity = slide.opts.zoomOpacity;
if (opacity == "auto") {
opacity = Math.abs(slide.width / slide.height - start.width / start.height) > 0.1;
}
if (opacity) {
start.opacity = 0.1;
end.opacity = 1;
}
// Draw image at start position
$.bbcbox.setTranslate(slide.$content.removeClass("bbcbox-is-hidden"), start);
forceRedraw(slide.$content);
// Start animation
$.bbcbox.animate(slide.$content, end, duration, function () {
self.isAnimating = false;
self.complete();
});
return;
}
self.updateSlide(slide);
// Simply show content if no effect
// ================================
if (!effect) {
slide.$content.removeClass("bbcbox-is-hidden");
if (!isRevealed && isMoved && slide.type === "image" && !slide.hasError) {
slide.$content.hide().fadeIn("fast");
}
if (slide.pos === self.currPos) {
self.complete();
}
return;
}
// Prepare for CSS transiton
// =========================
$.bbcbox.stop($slide);
//effectClassName = "bbcbox-animated bbcbox-slide--" + (slide.pos >= self.prevPos ? "next" : "previous") + " bbcbox-fx-" + effect;
effectClassName = "bbcbox-slide--" + (slide.pos >= self.prevPos ? "next" : "previous") + " bbcbox-animated bbcbox-fx-" + effect;
$slide.addClass(effectClassName).removeClass("bbcbox-slide--current"); //.addClass(effectClassName);
slide.$content.removeClass("bbcbox-is-hidden");
// Force reflow
forceRedraw($slide);
if (slide.type !== "image") {
slide.$content.hide().show(0);
}
$.bbcbox.animate(
$slide,
"bbcbox-slide--current",
duration,
function () {
$slide.removeClass(effectClassName).css({
transform: "",
opacity: ""
});
if (slide.pos === self.currPos) {
self.complete();
}
},
true
);
},
// Check if we can and have to zoom from thumbnail
//================================================
getThumbPos: function (slide) {
var rez = false,
$thumb = slide.$thumb,
thumbPos,
btw,
brw,
bbw,
blw;
if (!$thumb || !inViewport($thumb[0])) {
return false;
}
thumbPos = $.bbcbox.getTranslate($thumb);
btw = parseFloat($thumb.css("border-top-width") || 0);
brw = parseFloat($thumb.css("border-right-width") || 0);
bbw = parseFloat($thumb.css("border-bottom-width") || 0);
blw = parseFloat($thumb.css("border-left-width") || 0);
rez = {
top: thumbPos.top + btw,
left: thumbPos.left + blw,
width: thumbPos.width - brw - blw,
height: thumbPos.height - btw - bbw,
scaleX: 1,
scaleY: 1
};
return thumbPos.width > 0 && thumbPos.height > 0 ? rez : false;
},
// Final adjustments after current gallery item is moved to position
// and it`s content is loaded
// ==================================================================
complete: function () {
var self = this,
current = self.current,
slides = {},
$el;
if (self.isMoved() || !current.isLoaded) {
return;
}
if (!current.isComplete) {
current.isComplete = true;
current.$slide.siblings().trigger("onReset");
self.preload("inline");
// Trigger any CSS transiton inside the slide
forceRedraw(current.$slide);
current.$slide.addClass("bbcbox-slide--complete");
// Remove unnecessary slides
$.each(self.slides, function (key, slide) {
if (slide.pos >= self.currPos - 1 && slide.pos <= self.currPos + 1) {
slides[slide.pos] = slide;
} else if (slide) {
$.bbcbox.stop(slide.$slide);
slide.$slide.off().remove();
}
});
self.slides = slides;
}
self.isAnimating = false;
self.updateCursor();
self.trigger("afterShow");
// Autoplay first html5 video/audio
if (!!current.opts.video.autoStart) {
current.$slide
.find("video,audio")
.filter(":visible:first")
.trigger("play")
.one("ended", function () {
if (Document.exitFullscreen) {
Document.exitFullscreen();
} else if (this.webkitExitFullscreen) {
this.webkitExitFullscreen();
}
self.next();
});
}
// Try to focus on the first focusable element
if (current.opts.autoFocus && current.contentType === "html") {
// Look for the first input with autofocus attribute
$el = current.$content.find("input[autofocus]:enabled:visible:first");
if ($el.length) {
$el.trigger("focus");
} else {
self.focus(null, true);
}
}
// Avoid jumping
current.$slide.scrollTop(0).scrollLeft(0);
},
// Preload next and previous slides
// ================================
preload: function (type) {
var self = this,
prev,
next;
if (self.group.length < 2) {
return;
}
next = self.slides[self.currPos + 1];
prev = self.slides[self.currPos - 1];
if (prev && prev.type === type) {
self.loadSlide(prev);
}
if (next && next.type === type) {
self.loadSlide(next);
}
},
// Try to find and focus on the first focusable element
// ====================================================
focus: function (e, firstRun) {
var self = this,
focusableStr = [
"a[href]",
"area[href]",
'input:not([disabled]):not([type="hidden"]):not([aria-hidden])',
"select:not([disabled]):not([aria-hidden])",
"textarea:not([disabled]):not([aria-hidden])",
"button:not([disabled]):not([aria-hidden])",
"iframe",
"object",
"embed",
"video",
"audio",
"[contenteditable]",
'[tabindex]:not([tabindex^="-"])'
].join(","),
focusableItems,
focusedItemIndex;
if (self.isClosing) {
return;
}
if (e || !self.current || !self.current.isComplete) {
// Focus on any element inside bbcbox
focusableItems = self.$refs.container.find("*:visible");
} else {
// Focus inside current slide
focusableItems = self.current.$slide.find("*:visible" + (firstRun ? ":not(.bbcbox-close-small)" : ""));
}
focusableItems = focusableItems.filter(focusableStr).filter(function () {
return $(this).css("visibility") !== "hidden" && !$(this).hasClass("disabled");
});
if (focusableItems.length) {
focusedItemIndex = focusableItems.index(document.activeElement);
if (e && e.shiftKey) {
// Back tab
if (focusedItemIndex < 0 || focusedItemIndex == 0) {
e.preventDefault();
focusableItems.eq(focusableItems.length - 1).trigger("focus");
}
} else {
// Outside or Forward tab
if (focusedItemIndex < 0 || focusedItemIndex == focusableItems.length - 1) {
if (e) {
e.preventDefault();
}
focusableItems.eq(0).trigger("focus");
}
}
} else {
self.$refs.container.trigger("focus");
}
},
// Activates current instance - brings container to the front and enables keyboard,
// notifies other instances about deactivating
// =================================================================================
activate: function () {
var self = this;
// Deactivate all instances
$(".bbcbox-container").each(function () {
var instance = $(this).data("bbcbox");
// Skip self and closing instances
if (instance && instance.id !== self.id && !instance.isClosing) {
instance.trigger("onDeactivate");
instance.removeEvents();
instance.isVisible = false;
}
});
self.isVisible = true;
if (self.current || self.isIdle) {
self.update();
self.updateControls();
}
self.trigger("onActivate");
self.addEvents();
},
// Start closing procedure
// This will start "zoom-out" animation if needed and clean everything up afterwards
// =================================================================================
close: function (e, d) {
var self = this,
current = self.current,
effect,
duration,
$content,
domRect,
opacity,
start,
end;
var done = function () {
self.cleanUp(e);
};
if (self.isClosing) {
return false;
}
self.isClosing = true;
// If beforeClose callback prevents closing, make sure content is centered
if (self.trigger("beforeClose", e) === false) {
self.isClosing = false;
requestAFrame(function () {
self.update();
});
return false;
}
// Remove all events
// If there are multiple instances, they will be set again by "activate" method
self.removeEvents();
$content = current.$content;
effect = current.opts.animationEffect;
duration = $.isNumeric(d) ? d : effect ? current.opts.animationDuration : 0;
current.$slide.removeClass("bbcbox-slide--complete bbcbox-slide--next bbcbox-slide--previous bbcbox-animated");
if (e !== true) {
$.bbcbox.stop(current.$slide);
} else {
effect = false;
}
// Remove other slides
current.$slide
.siblings()
.trigger("onReset")
.remove();
// Trigger animations
if (duration) {
self.$refs.container
.removeClass("bbcbox-is-open")
.addClass("bbcbox-is-closing")
.css("transition-duration", duration + "ms");
}
// Clean up
self.hideLoading(current);
self.hideControls(true);
self.updateCursor();
// Check if possible to zoom-out
if (
effect === "zoom" &&
!($content && duration && current.type === "image" && !self.isMoved() && !current.hasError && (end = self.getThumbPos(current)))
) {
effect = "fade";
}
if (effect === "zoom") {
$.bbcbox.stop($content);
domRect = $.bbcbox.getTranslate($content);
start = {
top: domRect.top,
left: domRect.left,
scaleX: domRect.width / end.width,
scaleY: domRect.height / end.height,
width: end.width,
height: end.height
};
// Check if we need to animate opacity
opacity = current.opts.zoomOpacity;
if (opacity == "auto") {
opacity = Math.abs(current.width / current.height - end.width / end.height) > 0.1;
}
if (opacity) {
end.opacity = 0;
}
$.bbcbox.setTranslate($content, start);
forceRedraw($content);
$.bbcbox.animate($content, end, duration, done);
return true;
}
if (effect && duration) {
$.bbcbox.animate(
current.$slide.addClass("bbcbox-slide--previous").removeClass("bbcbox-slide--current"),
"bbcbox-animated bbcbox-fx-" + effect,
duration,
done
);
} else {
// If skip animation
if (e === true) {
setTimeout(done, duration);
} else {
done();
}
}
return true;
},
// Final adjustments after removing the instance
// =============================================
cleanUp: function (e) {
var self = this,
instance,
$focus = self.current.opts.$orig,
x,
y;
self.current.$slide.trigger("onReset");
self.$refs.container.empty().remove();
self.trigger("afterClose", e);
// Place back focus
if (!!self.current.opts.backFocus) {
if (!$focus || !$focus.length || !$focus.is(":visible")) {
$focus = self.$trigger;
}
if ($focus && $focus.length) {
x = window.scrollX;
y = window.scrollY;
$focus.trigger("focus");
$("html, body")
.scrollTop(y)
.scrollLeft(x);
}
}
self.current = null;
// Check if there are other instances
instance = $.bbcbox.getInstance();
if (instance) {
instance.activate();
} else {
$("body").removeClass("bbcbox-active compensate-for-scrollbar");
$("#bbcbox-style-noscroll").remove();
}
},
// Call callback and trigger an event
// ==================================
trigger: function (name, slide) {
var args = Array.prototype.slice.call(arguments, 1),
self = this,
obj = slide && slide.opts ? slide : self.current,
rez;
if (obj) {
args.unshift(obj);
} else {
obj = self;
}
args.unshift(self);
if ($.isFunction(obj.opts[name])) {
rez = obj.opts[name].apply(obj, args);
}
if (rez === false) {
return rez;
}
if (name === "afterClose" || !self.$refs) {
$D.trigger(name + ".bbc", args);
} else {
self.$refs.container.trigger(name + ".bbc", args);
}
},
// Update infobar values, navigation button states and reveal caption
// ==================================================================
updateControls: function () {
var self = this,
current = self.current,
index = current.index,
$container = self.$refs.container,
$caption = self.$refs.caption,
caption = current.opts.caption;
// Recalculate content dimensions
current.$slide.trigger("refresh");
// Set caption
if (caption && caption.length) {
self.$caption = $caption;
$caption
.children()
.eq(0)
.html(caption);
} else {
self.$caption = null;
}
if (!self.hasHiddenControls && !self.isIdle) {
self.showControls();
}
// Update info and navigation elements
$container.find("[data-bbcbox-count]").html(self.group.length);
$container.find("[data-bbcbox-index]").html(index + 1);
$container.find("[data-bbcbox-prev]").prop("disabled", !current.opts.loop && index <= 0);
$container.find("[data-bbcbox-next]").prop("disabled", !current.opts.loop && index >= self.group.length - 1);
if (current.type === "image") {
// Re-enable buttons; update download button source
$container
.find("[data-bbcbox-zoom]")
.show()
.end()
.find("[data-bbcbox-download]")
.attr("href", current.opts.image.src || current.src)
.show();
} else if (current.opts.toolbar) {
$container.find("[data-bbcbox-download],[data-bbcbox-zoom]").hide();
}
// Make sure focus is not on disabled button/element
if ($(document.activeElement).is(":hidden,[disabled]")) {
self.$refs.container.trigger("focus");
}
},
// Hide toolbar and caption
// ========================
hideControls: function (andCaption) {
var self = this,
arr = ["infobar", "toolbar", "nav"];
if (andCaption || !self.current.opts.preventCaptionOverlap) {
arr.push("caption");
}
this.$refs.container.removeClass(
arr
.map(function (i) {
return "bbcbox-show-" + i;
})
.join(" ")
);
this.hasHiddenControls = true;
},
showControls: function () {
var self = this,
opts = self.current ? self.current.opts : self.opts,
$container = self.$refs.container;
self.hasHiddenControls = false;
self.idleSecondsCounter = 0;
$container
.toggleClass("bbcbox-show-toolbar", !!(opts.toolbar && opts.buttons))
.toggleClass("bbcbox-show-infobar", !!(opts.infobar && self.group.length > 1))
.toggleClass("bbcbox-show-caption", !!self.$caption)
.toggleClass("bbcbox-show-nav", !!(opts.arrows && self.group.length > 1))
.toggleClass("bbcbox-is-modal", !!opts.modal);
},
// Toggle toolbar and caption
// ==========================
toggleControls: function () {
if (this.hasHiddenControls) {
this.showControls();
} else {
this.hideControls();
}
}
});
$.bbcbox = {
version: "3.5.7",
defaults: defaults,
// Get current instance and execute a command.
//
// Examples of usage:
//
// $instance = $.bbcbox.getInstance();
// $.bbcbox.getInstance().jumpTo( 1 );
// $.bbcbox.getInstance( 'jumpTo', 1 );
// $.bbcbox.getInstance( function() {
// console.info( this.currIndex );
// });
// ======================================================
getInstance: function (command) {
var instance = $('.bbcbox-container:not(".bbcbox-is-closing"):last').data("bbcbox"),
args = Array.prototype.slice.call(arguments, 1);
if (instance instanceof bbcbox) {
if ($.type(command) === "string") {
instance[command].apply(instance, args);
} else if ($.type(command) === "function") {
command.apply(instance, args);
}
return instance;
}
return false;
},
// Create new instance
// ===================
open: function (items, opts, index) {
return new bbcbox(items, opts, index);
},
// Close current or all instances
// ==============================
close: function (all) {
var instance = this.getInstance();
if (instance) {
instance.close();
// Try to find and close next instance
if (all === true) {
this.close(all);
}
}
},
// Close all instances and unbind all events
// =========================================
destroy: function () {
this.close(true);
$D.add("body").off("click.bbc-start", "**");
},
// Try to detect mobile devices
// ============================
isMobile: /Android|webOS|iPhone|iPad|iPod|BlackBerry|IEMobile|Opera Mini/i.test(navigator.userAgent),
// Detect if 'translate3d' support is available
// ============================================
use3d: (function () {
var div = document.createElement("div");
return (
window.getComputedStyle &&
window.getComputedStyle(div) &&
window.getComputedStyle(div).getPropertyValue("transform") &&
!(document.documentMode && document.documentMode < 11)
);
})(),
// Helper function to get current visual state of an element
// returns array[ top, left, horizontal-scale, vertical-scale, opacity ]
// =====================================================================
getTranslate: function ($el) {
var domRect;
if (!$el || !$el.length) {
return false;
}
domRect = $el[0].getBoundingClientRect();
return {
top: domRect.top || 0,
left: domRect.left || 0,
width: domRect.width,
height: domRect.height,
opacity: parseFloat($el.css("opacity"))
};
},
// Shortcut for setting "translate3d" properties for element
// Can set be used to set opacity, too
// ========================================================
setTranslate: function ($el, props) {
var str = "",
css = {};
if (!$el || !props) {
return;
}
if (props.left !== undefined || props.top !== undefined) {
str =
(props.left === undefined ? $el.position().left : props.left) +
"px, " +
(props.top === undefined ? $el.position().top : props.top) +
"px";
if (this.use3d) {
str = "translate3d(" + str + ", 0px)";
} else {
str = "translate(" + str + ")";
}
}
if (props.scaleX !== undefined && props.scaleY !== undefined) {
str += " scale(" + props.scaleX + ", " + props.scaleY + ")";
} else if (props.scaleX !== undefined) {
str += " scaleX(" + props.scaleX + ")";
}
if (str.length) {
css.transform = str;
}
if (props.opacity !== undefined) {
css.opacity = props.opacity;
}
if (props.width !== undefined) {
css.width = props.width;
}
if (props.height !== undefined) {
css.height = props.height;
}
return $el.css(css);
},
// Simple CSS transition handler
// =============================
animate: function ($el, to, duration, callback, leaveAnimationName) {
var self = this,
from;
if ($.isFunction(duration)) {
callback = duration;
duration = null;
}
self.stop($el);
from = self.getTranslate($el);
$el.on(transitionEnd, function (e) {
// Skip events from child elements and z-index change
if (e && e.originalEvent && (!$el.is(e.originalEvent.target) || e.originalEvent.propertyName == "z-index")) {
return;
}
self.stop($el);
if ($.isNumeric(duration)) {
$el.css("transition-duration", "");
}
if ($.isPlainObject(to)) {
if (to.scaleX !== undefined && to.scaleY !== undefined) {
self.setTranslate($el, {
top: to.top,
left: to.left,
width: from.width * to.scaleX,
height: from.height * to.scaleY,
scaleX: 1,
scaleY: 1
});
}
} else if (leaveAnimationName !== true) {
$el.removeClass(to);
}
if ($.isFunction(callback)) {
callback(e);
}
});
if ($.isNumeric(duration)) {
$el.css("transition-duration", duration + "ms");
}
// Start animation by changing CSS properties or class name
if ($.isPlainObject(to)) {
if (to.scaleX !== undefined && to.scaleY !== undefined) {
delete to.width;
delete to.height;
if ($el.parent().hasClass("bbcbox-slide--image")) {
$el.parent().addClass("bbcbox-is-scaling");
}
}
$.bbcbox.setTranslate($el, to);
} else {
$el.addClass(to);
}
// Make sure that `transitionend` callback gets fired
$el.data(
"timer",
setTimeout(function () {
$el.trigger(transitionEnd);
}, duration + 33)
);
},
stop: function ($el, callCallback) {
if ($el && $el.length) {
clearTimeout($el.data("timer"));
if (callCallback) {
$el.trigger(transitionEnd);
}
$el.off(transitionEnd).css("transition-duration", "");
$el.parent().removeClass("bbcbox-is-scaling");
}
}
};
// Default click handler for "bbcboxed" links
// ============================================
function _run(e, opts) {
var items = [],
index = 0,
$target,
value,
instance;
// Avoid opening multiple times
if (e && e.isDefaultPrevented()) {
return;
}
e.preventDefault();
opts = opts || {};
if (e && e.data) {
opts = mergeOpts(e.data.options, opts);
}
$target = opts.$target || $(e.currentTarget).trigger("blur");
instance = $.bbcbox.getInstance();
if (instance && instance.$trigger && instance.$trigger.is($target)) {
return;
}
if (opts.selector) {
items = $(opts.selector);
} else {
// Get all related items and find index for clicked one
value = $target.attr("data-bbcbox") || "";
if (value) {
items = e.data ? e.data.items : [];
items = items.length ? items.filter('[data-bbcbox="' + value + '"]') : $('[data-bbcbox="' + value + '"]');
} else {
items = [$target];
}
}
index = $(items).index($target);
// Sometimes current item can not be found
if (index < 0) {
index = 0;
}
instance = $.bbcbox.open(items, opts, index);
// Save last active element
instance.$trigger = $target;
}
// Create a jQuery plugin
// ======================
$.fn.bbcbox = function (options) {
var selector;
options = options || {};
selector = options.selector || false;
if (selector) {
// Use body element instead of document so it executes first
$("body")
.off("click.bbc-start", selector)
.on("click.bbc-start", selector, {
options: options
}, _run);
} else {
this.off("click.bbc-start").on(
"click.bbc-start", {
items: this,
options: options
},
_run
);
}
return this;
};
// Self initializing plugin for all elements having `data-bbcbox` attribute
// ==========================================================================
$D.on("click.bbc-start", "[data-bbcbox]", _run);
// Enable "trigger elements"
// =========================
$D.on("click.bbc-start", "[data-bbcbox-trigger]", function (e) {
$('[data-bbcbox="' + $(this).attr("data-bbcbox-trigger") + '"]')
.eq($(this).attr("data-bbcbox-index") || 0)
.trigger("click.bbc-start", {
$trigger: $(this)
});
});
// Track focus event for better accessibility styling
// ==================================================
(function () {
var buttonStr = ".bbcbox-button",
focusStr = "bbcbox-focus",
$pressed = null;
$D.on("mousedown mouseup focus blur", buttonStr, function (e) {
switch (e.type) {
case "mousedown":
$pressed = $(this);
break;
case "mouseup":
$pressed = null;
break;
case "focusin":
$(buttonStr).removeClass(focusStr);
if (!$(this).is($pressed) && !$(this).is("[disabled]")) {
$(this).addClass(focusStr);
}
break;
case "focusout":
$(buttonStr).removeClass(focusStr);
break;
}
});
})();
})(window, document, jQuery);
// ==========================================================================
//
// Media
// Adds additional media type support
//
// ==========================================================================
(function ($) {
"use strict";
// Object containing properties for each media type
var defaults = {
youtube: {
matcher: /(youtube\.com|youtu\.be|youtube\-nocookie\.com)\/(watch\?(.*&)?v=|v\/|u\/|embed\/?)?(videoseries\?list=(.*)|[\w-]{11}|\?listType=(.*)&list=(.*))(.*)/i,
params: {
autoplay: 1,
autohide: 1,
fs: 1,
rel: 0,
hd: 1,
wmode: "transparent",
enablejsapi: 1,
html5: 1
},
paramPlace: 8,
type: "iframe",
url: "https://www.youtube-nocookie.com/embed/$4",
thumb: "https://img.youtube.com/vi/$4/hqdefault.jpg"
},
vimeo: {
matcher: /^.+vimeo.com\/(.*\/)?([\d]+)(.*)?/,
params: {
autoplay: 1,
hd: 1,
show_title: 1,
show_byline: 1,
show_portrait: 0,
fullscreen: 1
},
paramPlace: 3,
type: "iframe",
url: "//player.vimeo.com/video/$2"
},
instagram: {
matcher: /(instagr\.am|instagram\.com)\/p\/([a-zA-Z0-9_\-]+)\/?/i,
type: "image",
url: "//$1/p/$2/media/?size=l"
},
// Examples:
// http://maps.google.com/?ll=48.857995,2.294297&spn=0.007666,0.021136&t=m&z=16
// https://www.google.com/maps/@37.7852006,-122.4146355,14.65z
// https://www.google.com/maps/@52.2111123,2.9237542,6.61z?hl=en
// https://www.google.com/maps/place/Googleplex/@37.4220041,-122.0833494,17z/data=!4m5!3m4!1s0x0:0x6c296c66619367e0!8m2!3d37.4219998!4d-122.0840572
gmap_place: {
matcher: /(maps\.)?google\.([a-z]{2,3}(\.[a-z]{2})?)\/(((maps\/(place\/(.*)\/)?\@(.*),(\d+.?\d+?)z))|(\?ll=))(.*)?/i,
type: "iframe",
url: function (rez) {
return (
"//maps.google." +
rez[2] +
"/?ll=" +
(rez[9] ? rez[9] + "&z=" + Math.floor(rez[10]) + (rez[12] ? rez[12].replace(/^\//, "&") : "") : rez[12] + "").replace(/\?/, "&") +
"&output=" +
(rez[12] && rez[12].indexOf("layer=c") > 0 ? "svembed" : "embed")
);
}
},
// Examples:
// https://www.google.com/maps/search/Empire+State+Building/
// https://www.google.com/maps/search/?api=1&query=centurylink+field
// https://www.google.com/maps/search/?api=1&query=47.5951518,-122.3316393
gmap_search: {
matcher: /(maps\.)?google\.([a-z]{2,3}(\.[a-z]{2})?)\/(maps\/search\/)(.*)/i,
type: "iframe",
url: function (rez) {
return "//maps.google." + rez[2] + "/maps?q=" + rez[5].replace("query=", "q=").replace("api=1", "") + "&output=embed";
}
}
};
// Formats matching url to final form
var format = function (url, rez, params) {
if (!url) {
return;
}
params = params || "";
if ($.type(params) === "object") {
params = $.param(params, true);
}
$.each(rez, function (key, value) {
url = url.replace("$" + key, value || "");
});
if (params.length) {
url += (url.indexOf("?") > 0 ? "&" : "?") + params;
}
return url;
};
$(document).on("objectNeedsType.bbc", function (e, instance, item) {
var url = item.src || "",
type = false,
media,
thumb,
rez,
params,
urlParams,
paramObj,
provider;
media = $.extend(true, {}, defaults, item.opts.media);
// Look for any matching media type
$.each(media, function (providerName, providerOpts) {
rez = url.match(providerOpts.matcher);
if (!rez) {
return;
}
type = providerOpts.type;
provider = providerName;
paramObj = {};
if (providerOpts.paramPlace && rez[providerOpts.paramPlace]) {
urlParams = rez[providerOpts.paramPlace];
if (urlParams[0] == "?") {
urlParams = urlParams.substring(1);
}
urlParams = urlParams.split("&");
for (var m = 0; m < urlParams.length; ++m) {
var p = urlParams[m].split("=", 2);
if (p.length == 2) {
paramObj[p[0]] = decodeURIComponent(p[1].replace(/\+/g, " "));
}
}
}
params = $.extend(true, {}, providerOpts.params, item.opts[providerName], paramObj);
url =
$.type(providerOpts.url) === "function" ? providerOpts.url.call(this, rez, params, item) : format(providerOpts.url, rez, params);
thumb =
$.type(providerOpts.thumb) === "function" ? providerOpts.thumb.call(this, rez, params, item) : format(providerOpts.thumb, rez);
if (providerName === "youtube") {
url = url.replace(/&t=((\d+)m)?(\d+)s/, function (match, p1, m, s) {
return "&start=" + ((m ? parseInt(m, 10) * 60 : 0) + parseInt(s, 10));
});
} else if (providerName === "vimeo") {
url = url.replace("&%23", "#");
}
return false;
});
// If it is found, then change content type and update the url
if (type) {
if (!item.opts.thumb && !(item.opts.$thumb && item.opts.$thumb.length)) {
item.opts.thumb = thumb;
}
if (type === "iframe") {
item.opts = $.extend(true, item.opts, {
iframe: {
preload: false,
attr: {
scrolling: "no"
}
}
});
}
$.extend(item, {
type: type,
src: url,
origSrc: item.src,
contentSource: provider,
contentType: type === "image" ? "image" : provider == "gmap_place" || provider == "gmap_search" ? "map" : "video"
});
} else if (url) {
item.type = item.opts.defaultType;
}
});
// Load YouTube/Video API on request to detect when video finished playing
var VideoAPILoader = {
youtube: {
src: "https://www.youtube.com/iframe_api",
class: "YT",
loading: false,
loaded: false
},
vimeo: {
src: "https://player.vimeo.com/api/player.js",
class: "Vimeo",
loading: false,
loaded: false
},
load: function (vendor) {
var _this = this,
script;
if (this[vendor].loaded) {
setTimeout(function () {
_this.done(vendor);
});
return;
}
if (this[vendor].loading) {
return;
}
this[vendor].loading = true;
script = document.createElement("script");
script.type = "text/javascript";
script.src = this[vendor].src;
if (vendor === "youtube") {
window.onYouTubeIframeAPIReady = function () {
_this[vendor].loaded = true;
_this.done(vendor);
};
} else {
script.onload = function () {
_this[vendor].loaded = true;
_this.done(vendor);
};
}
document.body.appendChild(script);
},
done: function (vendor) {
var instance, $el, player;
if (vendor === "youtube") {
delete window.onYouTubeIframeAPIReady;
}
instance = $.bbcbox.getInstance();
if (instance) {
$el = instance.current.$content.find("iframe");
if (vendor === "youtube" && YT !== undefined && YT) {
player = new YT.Player($el.attr("id"), {
events: {
onStateChange: function (e) {
if (e.data == 0) {
instance.next();
}
}
}
});
} else if (vendor === "vimeo" && Vimeo !== undefined && Vimeo) {
player = new Vimeo.Player($el);
player.on("ended", function () {
instance.next();
});
}
}
}
};
$(document).on({
"afterShow.bbc": function (e, instance, current) {
if (instance.group.length > 1 && (current.contentSource === "youtube" || current.contentSource === "vimeo")) {
VideoAPILoader.load(current.contentSource);
}
}
});
})(jQuery);
// ==========================================================================
//
// Guestures
// Adds touch guestures, handles click and tap events
//
// ==========================================================================
(function (window, document, $) {
"use strict";
var requestAFrame = (function () {
return (
window.requestAnimationFrame ||
window.webkitRequestAnimationFrame ||
window.mozRequestAnimationFrame ||
window.oRequestAnimationFrame ||
// if all else fails, use setTimeout
function (callback) {
return window.setTimeout(callback, 1000 / 60);
}
);
})();
var cancelAFrame = (function () {
return (
window.cancelAnimationFrame ||
window.webkitCancelAnimationFrame ||
window.mozCancelAnimationFrame ||
window.oCancelAnimationFrame ||
function (id) {
window.clearTimeout(id);
}
);
})();
var getPointerXY = function (e) {
var result = [];
e = e.originalEvent || e || window.e;
e = e.touches && e.touches.length ? e.touches : e.changedTouches && e.changedTouches.length ? e.changedTouches : [e];
for (var key in e) {
if (e[key].pageX) {
result.push({
x: e[key].pageX,
y: e[key].pageY
});
} else if (e[key].clientX) {
result.push({
x: e[key].clientX,
y: e[key].clientY
});
}
}
return result;
};
var distance = function (point2, point1, what) {
if (!point1 || !point2) {
return 0;
}
if (what === "x") {
return point2.x - point1.x;
} else if (what === "y") {
return point2.y - point1.y;
}
return Math.sqrt(Math.pow(point2.x - point1.x, 2) + Math.pow(point2.y - point1.y, 2));
};
var isClickable = function ($el) {
if (
$el.is('a,area,button,[role="button"],input,label,select,summary,textarea,video,audio,iframe') ||
$.isFunction($el.get(0).onclick) ||
$el.data("selectable")
) {
return true;
}
// Check for attributes like data-bbcbox-next or data-bbcbox-close
for (var i = 0, atts = $el[0].attributes, n = atts.length; i < n; i++) {
if (atts[i].nodeName.substr(0, 14) === "data-bbcbox-") {
return true;
}
}
return false;
};
var hasScrollbars = function (el) {
var overflowY = window.getComputedStyle(el)["overflow-y"],
overflowX = window.getComputedStyle(el)["overflow-x"],
vertical = (overflowY === "scroll" || overflowY === "auto") && el.scrollHeight > el.clientHeight,
horizontal = (overflowX === "scroll" || overflowX === "auto") && el.scrollWidth > el.clientWidth;
return vertical || horizontal;
};
var isScrollable = function ($el) {
var rez = false;
while (true) {
rez = hasScrollbars($el.get(0));
if (rez) {
break;
}
$el = $el.parent();
if (!$el.length || $el.hasClass("bbcbox-stage") || $el.is("body")) {
break;
}
}
return rez;
};
var Guestures = function (instance) {
var self = this;
self.instance = instance;
self.$bg = instance.$refs.bg;
self.$stage = instance.$refs.stage;
self.$container = instance.$refs.container;
self.destroy();
self.$container.on("touchstart.bbc.touch mousedown.bbc.touch", $.proxy(self, "ontouchstart"));
};
Guestures.prototype.destroy = function () {
var self = this;
self.$container.off(".bbc.touch");
$(document).off(".bbc.touch");
if (self.requestId) {
cancelAFrame(self.requestId);
self.requestId = null;
}
if (self.tapped) {
clearTimeout(self.tapped);
self.tapped = null;
}
};
Guestures.prototype.ontouchstart = function (e) {
var self = this,
$target = $(e.target),
instance = self.instance,
current = instance.current,
$slide = current.$slide,
$content = current.$content,
isTouchDevice = e.type == "touchstart";
// Do not respond to both (touch and mouse) events
if (isTouchDevice) {
self.$container.off("mousedown.bbc.touch");
}
// Ignore right click
if (e.originalEvent && e.originalEvent.button == 2) {
return;
}
// Ignore taping on links, buttons, input elements
if (!$slide.length || !$target.length || isClickable($target) || isClickable($target.parent())) {
return;
}
// Ignore clicks on the scrollbar
if (!$target.is("img") && e.originalEvent.clientX > $target[0].clientWidth + $target.offset().left) {
return;
}
// Ignore clicks while zooming or closing
if (!current || instance.isAnimating || current.$slide.hasClass("bbcbox-animated")) {
e.stopPropagation();
e.preventDefault();
return;
}
self.realPoints = self.startPoints = getPointerXY(e);
if (!self.startPoints.length) {
return;
}
// Allow other scripts to catch touch event if "touch" is set to false
if (current.touch) {
e.stopPropagation();
}
self.startEvent = e;
self.canTap = true;
self.$target = $target;
self.$content = $content;
self.opts = current.opts.touch;
self.isPanning = false;
self.isSwiping = false;
self.isZooming = false;
self.isScrolling = false;
self.canPan = instance.canPan();
self.startTime = new Date().getTime();
self.distanceX = self.distanceY = self.distance = 0;
self.canvasWidth = Math.round($slide[0].clientWidth);
self.canvasHeight = Math.round($slide[0].clientHeight);
self.contentLastPos = null;
self.contentStartPos = $.bbcbox.getTranslate(self.$content) || {
top: 0,
left: 0
};
self.sliderStartPos = $.bbcbox.getTranslate($slide);
// Since position will be absolute, but we need to make it relative to the stage
self.stagePos = $.bbcbox.getTranslate(instance.$refs.stage);
self.sliderStartPos.top -= self.stagePos.top;
self.sliderStartPos.left -= self.stagePos.left;
self.contentStartPos.top -= self.stagePos.top;
self.contentStartPos.left -= self.stagePos.left;
$(document)
.off(".bbc.touch")
.on(isTouchDevice ? "touchend.bbc.touch touchcancel.bbc.touch" : "mouseup.bbc.touch mouseleave.bbc.touch", $.proxy(self, "ontouchend"))
.on(isTouchDevice ? "touchmove.bbc.touch" : "mousemove.bbc.touch", $.proxy(self, "ontouchmove"));
if ($.bbcbox.isMobile) {
document.addEventListener("scroll", self.onscroll, true);
}
// Skip if clicked outside the sliding area
if (!(self.opts || self.canPan) || !($target.is(self.$stage) || self.$stage.find($target).length)) {
if ($target.is(".bbcbox-image")) {
e.preventDefault();
}
if (!($.bbcbox.isMobile && $target.parents(".bbcbox-caption").length)) {
return;
}
}
self.isScrollable = isScrollable($target) || isScrollable($target.parent());
// Check if element is scrollable and try to prevent default behavior (scrolling)
if (!($.bbcbox.isMobile && self.isScrollable)) {
e.preventDefault();
}
// One finger or mouse click - swipe or pan an image
if (self.startPoints.length === 1 || current.hasError) {
if (self.canPan) {
$.bbcbox.stop(self.$content);
self.isPanning = true;
} else {
self.isSwiping = true;
}
self.$container.addClass("bbcbox-is-grabbing");
}
// Two fingers - zoom image
if (self.startPoints.length === 2 && current.type === "image" && (current.isLoaded || current.$ghost)) {
self.canTap = false;
self.isSwiping = false;
self.isPanning = false;
self.isZooming = true;
$.bbcbox.stop(self.$content);
self.centerPointStartX = (self.startPoints[0].x + self.startPoints[1].x) * 0.5 - $(window).scrollLeft();
self.centerPointStartY = (self.startPoints[0].y + self.startPoints[1].y) * 0.5 - $(window).scrollTop();
self.percentageOfImageAtPinchPointX = (self.centerPointStartX - self.contentStartPos.left) / self.contentStartPos.width;
self.percentageOfImageAtPinchPointY = (self.centerPointStartY - self.contentStartPos.top) / self.contentStartPos.height;
self.startDistanceBetweenFingers = distance(self.startPoints[0], self.startPoints[1]);
}
};
Guestures.prototype.onscroll = function (e) {
var self = this;
self.isScrolling = true;
document.removeEventListener("scroll", self.onscroll, true);
};
Guestures.prototype.ontouchmove = function (e) {
var self = this;
// Make sure user has not released over iframe or disabled element
if (e.originalEvent.buttons !== undefined && e.originalEvent.buttons === 0) {
self.ontouchend(e);
return;
}
if (self.isScrolling) {
self.canTap = false;
return;
}
self.newPoints = getPointerXY(e);
if (!(self.opts || self.canPan) || !self.newPoints.length || !self.newPoints.length) {
return;
}
if (!(self.isSwiping && self.isSwiping === true)) {
e.preventDefault();
}
self.distanceX = distance(self.newPoints[0], self.startPoints[0], "x");
self.distanceY = distance(self.newPoints[0], self.startPoints[0], "y");
self.distance = distance(self.newPoints[0], self.startPoints[0]);
// Skip false ontouchmove events (Chrome)
if (self.distance > 0) {
if (self.isSwiping) {
self.onSwipe(e);
} else if (self.isPanning) {
self.onPan();
} else if (self.isZooming) {
self.onZoom();
}
}
};
Guestures.prototype.onSwipe = function (e) {
var self = this,
instance = self.instance,
swiping = self.isSwiping,
left = self.sliderStartPos.left || 0,
angle;
// If direction is not yet determined
if (swiping === true) {
// We need at least 10px distance to correctly calculate an angle
if (Math.abs(self.distance) > 10) {
self.canTap = false;
if (instance.group.length < 2 && self.opts.vertical) {
self.isSwiping = "y";
} else if (instance.isDragging || self.opts.vertical === false || (self.opts.vertical === "auto" && $(window).width() > 800)) {
self.isSwiping = "x";
} else {
angle = Math.abs((Math.atan2(self.distanceY, self.distanceX) * 180) / Math.PI);
self.isSwiping = angle > 45 && angle < 135 ? "y" : "x";
}
if (self.isSwiping === "y" && $.bbcbox.isMobile && self.isScrollable) {
self.isScrolling = true;
return;
}
instance.isDragging = self.isSwiping;
// Reset points to avoid jumping, because we dropped first swipes to calculate the angle
self.startPoints = self.newPoints;
$.each(instance.slides, function (index, slide) {
var slidePos, stagePos;
$.bbcbox.stop(slide.$slide);
slidePos = $.bbcbox.getTranslate(slide.$slide);
stagePos = $.bbcbox.getTranslate(instance.$refs.stage);
slide.$slide
.css({
transform: "",
opacity: "",
"transition-duration": ""
})
.removeClass("bbcbox-animated")
.removeClass(function (index, className) {
return (className.match(/(^|\s)bbcbox-fx-\S+/g) || []).join(" ");
});
if (slide.pos === instance.current.pos) {
self.sliderStartPos.top = slidePos.top - stagePos.top;
self.sliderStartPos.left = slidePos.left - stagePos.left;
}
$.bbcbox.setTranslate(slide.$slide, {
top: slidePos.top - stagePos.top,
left: slidePos.left - stagePos.left
});
});
// Stop slideshow
if (instance.SlideShow && instance.SlideShow.isActive) {
instance.SlideShow.stop();
}
}
return;
}
// Sticky edges
if (swiping == "x") {
if (
self.distanceX > 0 &&
(self.instance.group.length < 2 || (self.instance.current.index === 0 && !self.instance.current.opts.loop))
) {
left = left + Math.pow(self.distanceX, 0.8);
} else if (
self.distanceX < 0 &&
(self.instance.group.length < 2 ||
(self.instance.current.index === self.instance.group.length - 1 && !self.instance.current.opts.loop))
) {
left = left - Math.pow(-self.distanceX, 0.8);
} else {
left = left + self.distanceX;
}
}
self.sliderLastPos = {
top: swiping == "x" ? 0 : self.sliderStartPos.top + self.distanceY,
left: left
};
if (self.requestId) {
cancelAFrame(self.requestId);
self.requestId = null;
}
self.requestId = requestAFrame(function () {
if (self.sliderLastPos) {
$.each(self.instance.slides, function (index, slide) {
var pos = slide.pos - self.instance.currPos;
$.bbcbox.setTranslate(slide.$slide, {
top: self.sliderLastPos.top,
left: self.sliderLastPos.left + pos * self.canvasWidth + pos * slide.opts.gutter
});
});
self.$container.addClass("bbcbox-is-sliding");
}
});
};
Guestures.prototype.onPan = function () {
var self = this;
// Prevent accidental movement (sometimes, when tapping casually, finger can move a bit)
if (distance(self.newPoints[0], self.realPoints[0]) < ($.bbcbox.isMobile ? 10 : 5)) {
self.startPoints = self.newPoints;
return;
}
self.canTap = false;
self.contentLastPos = self.limitMovement();
if (self.requestId) {
cancelAFrame(self.requestId);
}
self.requestId = requestAFrame(function () {
$.bbcbox.setTranslate(self.$content, self.contentLastPos);
});
};
// Make panning sticky to the edges
Guestures.prototype.limitMovement = function () {
var self = this;
var canvasWidth = self.canvasWidth;
var canvasHeight = self.canvasHeight;
var distanceX = self.distanceX;
var distanceY = self.distanceY;
var contentStartPos = self.contentStartPos;
var currentOffsetX = contentStartPos.left;
var currentOffsetY = contentStartPos.top;
var currentWidth = contentStartPos.width;
var currentHeight = contentStartPos.height;
var minTranslateX, minTranslateY, maxTranslateX, maxTranslateY, newOffsetX, newOffsetY;
if (currentWidth > canvasWidth) {
newOffsetX = currentOffsetX + distanceX;
} else {
newOffsetX = currentOffsetX;
}
newOffsetY = currentOffsetY + distanceY;
// Slow down proportionally to traveled distance
minTranslateX = Math.max(0, canvasWidth * 0.5 - currentWidth * 0.5);
minTranslateY = Math.max(0, canvasHeight * 0.5 - currentHeight * 0.5);
maxTranslateX = Math.min(canvasWidth - currentWidth, canvasWidth * 0.5 - currentWidth * 0.5);
maxTranslateY = Math.min(canvasHeight - currentHeight, canvasHeight * 0.5 - currentHeight * 0.5);
// ->
if (distanceX > 0 && newOffsetX > minTranslateX) {
newOffsetX = minTranslateX - 1 + Math.pow(-minTranslateX + currentOffsetX + distanceX, 0.8) || 0;
}
// <-
if (distanceX < 0 && newOffsetX < maxTranslateX) {
newOffsetX = maxTranslateX + 1 - Math.pow(maxTranslateX - currentOffsetX - distanceX, 0.8) || 0;
}
// \/
if (distanceY > 0 && newOffsetY > minTranslateY) {
newOffsetY = minTranslateY - 1 + Math.pow(-minTranslateY + currentOffsetY + distanceY, 0.8) || 0;
}
// /\
if (distanceY < 0 && newOffsetY < maxTranslateY) {
newOffsetY = maxTranslateY + 1 - Math.pow(maxTranslateY - currentOffsetY - distanceY, 0.8) || 0;
}
return {
top: newOffsetY,
left: newOffsetX
};
};
Guestures.prototype.limitPosition = function (newOffsetX, newOffsetY, newWidth, newHeight) {
var self = this;
var canvasWidth = self.canvasWidth;
var canvasHeight = self.canvasHeight;
if (newWidth > canvasWidth) {
newOffsetX = newOffsetX > 0 ? 0 : newOffsetX;
newOffsetX = newOffsetX < canvasWidth - newWidth ? canvasWidth - newWidth : newOffsetX;
} else {
// Center horizontally
newOffsetX = Math.max(0, canvasWidth / 2 - newWidth / 2);
}
if (newHeight > canvasHeight) {
newOffsetY = newOffsetY > 0 ? 0 : newOffsetY;
newOffsetY = newOffsetY < canvasHeight - newHeight ? canvasHeight - newHeight : newOffsetY;
} else {
// Center vertically
newOffsetY = Math.max(0, canvasHeight / 2 - newHeight / 2);
}
return {
top: newOffsetY,
left: newOffsetX
};
};
Guestures.prototype.onZoom = function () {
var self = this;
// Calculate current distance between points to get pinch ratio and new width and height
var contentStartPos = self.contentStartPos;
var currentWidth = contentStartPos.width;
var currentHeight = contentStartPos.height;
var currentOffsetX = contentStartPos.left;
var currentOffsetY = contentStartPos.top;
var endDistanceBetweenFingers = distance(self.newPoints[0], self.newPoints[1]);
var pinchRatio = endDistanceBetweenFingers / self.startDistanceBetweenFingers;
var newWidth = Math.floor(currentWidth * pinchRatio);
var newHeight = Math.floor(currentHeight * pinchRatio);
// This is the translation due to pinch-zooming
var translateFromZoomingX = (currentWidth - newWidth) * self.percentageOfImageAtPinchPointX;
var translateFromZoomingY = (currentHeight - newHeight) * self.percentageOfImageAtPinchPointY;
// Point between the two touches
var centerPointEndX = (self.newPoints[0].x + self.newPoints[1].x) / 2 - $(window).scrollLeft();
var centerPointEndY = (self.newPoints[0].y + self.newPoints[1].y) / 2 - $(window).scrollTop();
// And this is the translation due to translation of the centerpoint
// between the two fingers
var translateFromTranslatingX = centerPointEndX - self.centerPointStartX;
var translateFromTranslatingY = centerPointEndY - self.centerPointStartY;
// The new offset is the old/current one plus the total translation
var newOffsetX = currentOffsetX + (translateFromZoomingX + translateFromTranslatingX);
var newOffsetY = currentOffsetY + (translateFromZoomingY + translateFromTranslatingY);
var newPos = {
top: newOffsetY,
left: newOffsetX,
scaleX: pinchRatio,
scaleY: pinchRatio
};
self.canTap = false;
self.newWidth = newWidth;
self.newHeight = newHeight;
self.contentLastPos = newPos;
if (self.requestId) {
cancelAFrame(self.requestId);
}
self.requestId = requestAFrame(function () {
$.bbcbox.setTranslate(self.$content, self.contentLastPos);
});
};
Guestures.prototype.ontouchend = function (e) {
var self = this;
var swiping = self.isSwiping;
var panning = self.isPanning;
var zooming = self.isZooming;
var scrolling = self.isScrolling;
self.endPoints = getPointerXY(e);
self.dMs = Math.max(new Date().getTime() - self.startTime, 1);
self.$container.removeClass("bbcbox-is-grabbing");
$(document).off(".bbc.touch");
document.removeEventListener("scroll", self.onscroll, true);
if (self.requestId) {
cancelAFrame(self.requestId);
self.requestId = null;
}
self.isSwiping = false;
self.isPanning = false;
self.isZooming = false;
self.isScrolling = false;
self.instance.isDragging = false;
if (self.canTap) {
return self.onTap(e);
}
self.speed = 100;
// Speed in px/ms
self.velocityX = (self.distanceX / self.dMs) * 0.5;
self.velocityY = (self.distanceY / self.dMs) * 0.5;
if (panning) {
self.endPanning();
} else if (zooming) {
self.endZooming();
} else {
self.endSwiping(swiping, scrolling);
}
return;
};
Guestures.prototype.endSwiping = function (swiping, scrolling) {
var self = this,
ret = false,
len = self.instance.group.length,
distanceX = Math.abs(self.distanceX),
canAdvance = swiping == "x" && len > 1 && ((self.dMs > 130 && distanceX > 10) || distanceX > 50),
speedX = 300;
self.sliderLastPos = null;
// Close if swiped vertically / navigate if horizontally
if (swiping == "y" && !scrolling && Math.abs(self.distanceY) > 50) {
// Continue vertical movement
$.bbcbox.animate(
self.instance.current.$slide, {
top: self.sliderStartPos.top + self.distanceY + self.velocityY * 150,
opacity: 0
},
200
);
ret = self.instance.close(true, 250);
} else if (canAdvance && self.distanceX > 0) {
ret = self.instance.previous(speedX);
} else if (canAdvance && self.distanceX < 0) {
ret = self.instance.next(speedX);
}
if (ret === false && (swiping == "x" || swiping == "y")) {
self.instance.centerSlide(200);
}
self.$container.removeClass("bbcbox-is-sliding");
};
// Limit panning from edges
// ========================
Guestures.prototype.endPanning = function () {
var self = this,
newOffsetX,
newOffsetY,
newPos;
if (!self.contentLastPos) {
return;
}
if (self.opts.momentum === false || self.dMs > 350) {
newOffsetX = self.contentLastPos.left;
newOffsetY = self.contentLastPos.top;
} else {
// Continue movement
newOffsetX = self.contentLastPos.left + self.velocityX * 500;
newOffsetY = self.contentLastPos.top + self.velocityY * 500;
}
newPos = self.limitPosition(newOffsetX, newOffsetY, self.contentStartPos.width, self.contentStartPos.height);
newPos.width = self.contentStartPos.width;
newPos.height = self.contentStartPos.height;
$.bbcbox.animate(self.$content, newPos, 366);
};
Guestures.prototype.endZooming = function () {
var self = this;
var current = self.instance.current;
var newOffsetX, newOffsetY, newPos, reset;
var newWidth = self.newWidth;
var newHeight = self.newHeight;
if (!self.contentLastPos) {
return;
}
newOffsetX = self.contentLastPos.left;
newOffsetY = self.contentLastPos.top;
reset = {
top: newOffsetY,
left: newOffsetX,
width: newWidth,
height: newHeight,
scaleX: 1,
scaleY: 1
};
// Reset scalex/scaleY values; this helps for perfomance and does not break animation
$.bbcbox.setTranslate(self.$content, reset);
if (newWidth < self.canvasWidth && newHeight < self.canvasHeight) {
self.instance.scaleToFit(150);
} else if (newWidth > current.width || newHeight > current.height) {
self.instance.scaleToActual(self.centerPointStartX, self.centerPointStartY, 150);
} else {
newPos = self.limitPosition(newOffsetX, newOffsetY, newWidth, newHeight);
$.bbcbox.animate(self.$content, newPos, 150);
}
};
Guestures.prototype.onTap = function (e) {
var self = this;
var $target = $(e.target);
var instance = self.instance;
var current = instance.current;
var endPoints = (e && getPointerXY(e)) || self.startPoints;
var tapX = endPoints[0] ? endPoints[0].x - $(window).scrollLeft() - self.stagePos.left : 0;
var tapY = endPoints[0] ? endPoints[0].y - $(window).scrollTop() - self.stagePos.top : 0;
var where;
var process = function (prefix) {
var action = current.opts[prefix];
if ($.isFunction(action)) {
action = action.apply(instance, [current, e]);
}
if (!action) {
return;
}
switch (action) {
case "close":
instance.close(self.startEvent);
break;
case "toggleControls":
instance.toggleControls();
break;
case "next":
instance.next();
break;
case "nextOrClose":
if (instance.group.length > 1) {
instance.next();
} else {
instance.close(self.startEvent);
}
break;
case "zoom":
if (current.type == "image" && (current.isLoaded || current.$ghost)) {
if (instance.canPan()) {
instance.scaleToFit();
} else if (instance.isScaledDown()) {
instance.scaleToActual(tapX, tapY);
} else if (instance.group.length < 2) {
instance.close(self.startEvent);
}
}
break;
}
};
// Ignore right click
if (e.originalEvent && e.originalEvent.button == 2) {
return;
}
// Skip if clicked on the scrollbar
if (!$target.is("img") && tapX > $target[0].clientWidth + $target.offset().left) {
return;
}
// Check where is clicked
if ($target.is(".bbcbox-bg,.bbcbox-inner,.bbcbox-outer,.bbcbox-container")) {
where = "Outside";
} else if ($target.is(".bbcbox-slide")) {
where = "Slide";
} else if (
instance.current.$content &&
instance.current.$content
.find($target)
.addBack()
.filter($target).length
) {
where = "Content";
} else {
return;
}
// Check if this is a double tap
if (self.tapped) {
// Stop previously created single tap
clearTimeout(self.tapped);
self.tapped = null;
// Skip if distance between taps is too big
if (Math.abs(tapX - self.tapX) > 50 || Math.abs(tapY - self.tapY) > 50) {
return this;
}
// OK, now we assume that this is a double-tap
process("dblclick" + where);
} else {
// Single tap will be processed if user has not clicked second time within 300ms
// or there is no need to wait for double-tap
self.tapX = tapX;
self.tapY = tapY;
if (current.opts["dblclick" + where] && current.opts["dblclick" + where] !== current.opts["click" + where]) {
self.tapped = setTimeout(function () {
self.tapped = null;
if (!instance.isAnimating) {
process("click" + where);
}
}, 500);
} else {
process("click" + where);
}
}
return this;
};
$(document)
.on("onActivate.bbc", function (e, instance) {
if (instance && !instance.Guestures) {
instance.Guestures = new Guestures(instance);
}
})
.on("beforeClose.bbc", function (e, instance) {
if (instance && instance.Guestures) {
instance.Guestures.destroy();
}
});
})(window, document, jQuery);
// ==========================================================================
//
// SlideShow
// Enables slideshow functionality
//
// Example of usage:
// $.bbcbox.getInstance().SlideShow.start()
//
// ==========================================================================
(function (document, $) {
"use strict";
$.extend(true, $.bbcbox.defaults, {
btnTpl: {
slideShow: '"
},
slideShow: {
autoStart: false,
speed: 3000,
progress: true
}
});
var SlideShow = function (instance) {
this.instance = instance;
this.init();
};
$.extend(SlideShow.prototype, {
timer: null,
isActive: false,
$button: null,
init: function () {
var self = this,
instance = self.instance,
opts = instance.group[instance.currIndex].opts.slideShow;
self.$button = instance.$refs.toolbar.find("[data-bbcbox-play]").on("click", function () {
self.toggle();
});
if (instance.group.length < 2 || !opts) {
self.$button.hide();
} else if (opts.progress) {
self.$progress = $('').appendTo(instance.$refs.inner);
}
},
set: function (force) {
var self = this,
instance = self.instance,
current = instance.current;
// Check if reached last element
if (current && (force === true || current.opts.loop || instance.currIndex < instance.group.length - 1)) {
if (self.isActive && current.contentType !== "video") {
if (self.$progress) {
$.bbcbox.animate(self.$progress.show(), {
scaleX: 1
}, current.opts.slideShow.speed);
}
self.timer = setTimeout(function () {
if (!instance.current.opts.loop && instance.current.index == instance.group.length - 1) {
instance.jumpTo(0);
} else {
instance.next();
}
}, current.opts.slideShow.speed);
}
} else {
self.stop();
instance.idleSecondsCounter = 0;
instance.showControls();
}
},
clear: function () {
var self = this;
clearTimeout(self.timer);
self.timer = null;
if (self.$progress) {
self.$progress.removeAttr("style").hide();
}
},
start: function () {
var self = this,
current = self.instance.current;
if (current) {
self.$button
.attr("title", (current.opts.i18n[current.opts.lang] || current.opts.i18n.en).PLAY_STOP)
.removeClass("bbcbox-button--play")
.addClass("bbcbox-button--pause");
self.isActive = true;
if (current.isComplete) {
self.set(true);
}
self.instance.trigger("onSlideShowChange", true);
}
},
stop: function () {
var self = this,
current = self.instance.current;
self.clear();
self.$button
.attr("title", (current.opts.i18n[current.opts.lang] || current.opts.i18n.en).PLAY_START)
.removeClass("bbcbox-button--pause")
.addClass("bbcbox-button--play");
self.isActive = false;
self.instance.trigger("onSlideShowChange", false);
if (self.$progress) {
self.$progress.removeAttr("style").hide();
}
},
toggle: function () {
var self = this;
if (self.isActive) {
self.stop();
} else {
self.start();
}
}
});
$(document).on({
"onInit.bbc": function (e, instance) {
if (instance && !instance.SlideShow) {
instance.SlideShow = new SlideShow(instance);
}
},
"beforeShow.bbc": function (e, instance, current, firstRun) {
var SlideShow = instance && instance.SlideShow;
if (firstRun) {
if (SlideShow && current.opts.slideShow.autoStart) {
SlideShow.start();
}
} else if (SlideShow && SlideShow.isActive) {
SlideShow.clear();
}
},
"afterShow.bbc": function (e, instance, current) {
var SlideShow = instance && instance.SlideShow;
if (SlideShow && SlideShow.isActive) {
SlideShow.set();
}
},
"afterKeydown.bbc": function (e, instance, current, keypress, keycode) {
var SlideShow = instance && instance.SlideShow;
// "P" or Spacebar
if (SlideShow && current.opts.slideShow && (keycode === 80 || keycode === 32) && !$(document.activeElement).is("button,a,input")) {
keypress.preventDefault();
SlideShow.toggle();
}
},
"beforeClose.bbc onDeactivate.bbc": function (e, instance) {
var SlideShow = instance && instance.SlideShow;
if (SlideShow) {
SlideShow.stop();
}
}
});
// Page Visibility API to pause slideshow when window is not active
$(document).on("visibilitychange", function () {
var instance = $.bbcbox.getInstance(),
SlideShow = instance && instance.SlideShow;
if (SlideShow && SlideShow.isActive) {
if (document.hidden) {
SlideShow.clear();
} else {
SlideShow.set();
}
}
});
})(document, jQuery);
// ==========================================================================
//
// FullScreen
// Adds fullscreen functionality
//
// ==========================================================================
(function (document, $) {
"use strict";
// Collection of methods supported by user browser
var fn = (function () {
var fnMap = [
["requestFullscreen", "exitFullscreen", "fullscreenElement", "fullscreenEnabled", "fullscreenchange", "fullscreenerror"],
// new WebKit
[
"webkitRequestFullscreen",
"webkitExitFullscreen",
"webkitFullscreenElement",
"webkitFullscreenEnabled",
"webkitfullscreenchange",
"webkitfullscreenerror"
],
// old WebKit (Safari 5.1)
[
"webkitRequestFullScreen",
"webkitCancelFullScreen",
"webkitCurrentFullScreenElement",
"webkitCancelFullScreen",
"webkitfullscreenchange",
"webkitfullscreenerror"
],
[
"mozRequestFullScreen",
"mozCancelFullScreen",
"mozFullScreenElement",
"mozFullScreenEnabled",
"mozfullscreenchange",
"mozfullscreenerror"
],
["msRequestFullscreen", "msExitFullscreen", "msFullscreenElement", "msFullscreenEnabled", "MSFullscreenChange", "MSFullscreenError"]
];
var ret = {};
for (var i = 0; i < fnMap.length; i++) {
var val = fnMap[i];
if (val && val[1] in document) {
for (var j = 0; j < val.length; j++) {
ret[fnMap[0][j]] = val[j];
}
return ret;
}
}
return false;
})();
if (fn) {
var FullScreen = {
request: function (elem) {
elem = elem || document.documentElement;
elem[fn.requestFullscreen](elem.ALLOW_KEYBOARD_INPUT);
},
exit: function () {
document[fn.exitFullscreen]();
},
toggle: function (elem) {
elem = elem || document.documentElement;
if (this.isFullscreen()) {
this.exit();
} else {
this.request(elem);
}
},
isFullscreen: function () {
return Boolean(document[fn.fullscreenElement]);
},
enabled: function () {
return Boolean(document[fn.fullscreenEnabled]);
}
};
$.extend(true, $.bbcbox.defaults, {
btnTpl: {
fullScreen: '"
},
fullScreen: {
autoStart: false
}
});
$(document).on(fn.fullscreenchange, function () {
var isFullscreen = FullScreen.isFullscreen(),
instance = $.bbcbox.getInstance();
if (instance) {
// If image is zooming, then force to stop and reposition properly
if (instance.current && instance.current.type === "image" && instance.isAnimating) {
instance.isAnimating = false;
instance.update(true, true, 0);
if (!instance.isComplete) {
instance.complete();
}
}
instance.trigger("onFullscreenChange", isFullscreen);
instance.$refs.container.toggleClass("bbcbox-is-fullscreen", isFullscreen);
instance.$refs.toolbar
.find("[data-bbcbox-fullscreen]")
.toggleClass("bbcbox-button--fsenter", !isFullscreen)
.toggleClass("bbcbox-button--fsexit", isFullscreen);
}
});
}
$(document).on({
"onInit.bbc": function (e, instance) {
var $container;
if (!fn) {
instance.$refs.toolbar.find("[data-bbcbox-fullscreen]").remove();
return;
}
if (instance && instance.group[instance.currIndex].opts.fullScreen) {
$container = instance.$refs.container;
$container.on("click.bbc-fullscreen", "[data-bbcbox-fullscreen]", function (e) {
e.stopPropagation();
e.preventDefault();
FullScreen.toggle();
});
if (instance.opts.fullScreen && instance.opts.fullScreen.autoStart === true) {
FullScreen.request();
}
// Expose API
instance.FullScreen = FullScreen;
} else if (instance) {
instance.$refs.toolbar.find("[data-bbcbox-fullscreen]").hide();
}
},
"afterKeydown.bbc": function (e, instance, current, keypress, keycode) {
// "F"
if (instance && instance.FullScreen && keycode === 70) {
keypress.preventDefault();
instance.FullScreen.toggle();
}
},
"beforeClose.bbc": function (e, instance) {
if (instance && instance.FullScreen && instance.$refs.container.hasClass("bbcbox-is-fullscreen")) {
FullScreen.exit();
}
}
});
})(document, jQuery);
// ==========================================================================
//
// Thumbs
// Displays thumbnails in a grid
//
// ==========================================================================
(function (document, $) {
"use strict";
var CLASS = "bbcbox-thumbs",
CLASS_ACTIVE = CLASS + "-active";
// Make sure there are default values
$.bbcbox.defaults = $.extend(
true, {
btnTpl: {
thumbs: '"
},
thumbs: {
autoStart: false, // Display thumbnails on opening
hideOnClose: true, // Hide thumbnail grid when closing animation starts
parentEl: ".bbcbox-container", // Container is injected into this element
axis: "y" // Vertical (y) or horizontal (x) scrolling
}
},
$.bbcbox.defaults
);
var BbcThumbs = function (instance) {
this.init(instance);
};
$.extend(BbcThumbs.prototype, {
$button: null,
$grid: null,
$list: null,
isVisible: false,
isActive: false,
init: function (instance) {
var self = this,
group = instance.group,
enabled = 0;
self.instance = instance;
self.opts = group[instance.currIndex].opts.thumbs;
instance.Thumbs = self;
self.$button = instance.$refs.toolbar.find("[data-bbcbox-thumbs]");
// Enable thumbs if at least two group items have thumbnails
for (var i = 0, len = group.length; i < len; i++) {
if (group[i].thumb) {
enabled++;
}
if (enabled > 1) {
break;
}
}
if (enabled > 1 && !!self.opts) {
self.$button.removeAttr("style").on("click", function () {
self.toggle();
});
self.isActive = true;
} else {
self.$button.hide();
}
},
create: function () {
var self = this,
instance = self.instance,
parentEl = self.opts.parentEl,
list = [],
src;
if (!self.$grid) {
// Create main element
self.$grid = $('').appendTo(
instance.$refs.container
.find(parentEl)
.addBack()
.filter(parentEl)
);
// Add "click" event that performs gallery navigation
self.$grid.on("click", "a", function () {
instance.jumpTo($(this).attr("data-index"));
});
}
// Build the list
if (!self.$list) {
self.$list = $('
').appendTo(self.$grid);
}
$.each(instance.group, function (i, item) {
src = item.thumb;
if (!src && item.type === "image") {
src = item.src;
}
list.push(
'"
);
});
self.$list[0].innerHTML = list.join("");
if (self.opts.axis === "x") {
// Set fixed width for list element to enable horizontal scrolling
self.$list.width(
parseInt(self.$grid.css("padding-right"), 10) +
instance.group.length *
self.$list
.children()
.eq(0)
.outerWidth(true)
);
}
},
focus: function (duration) {
var self = this,
$list = self.$list,
$grid = self.$grid,
thumb,
thumbPos;
if (!self.instance.current) {
return;
}
thumb = $list
.children()
.removeClass(CLASS_ACTIVE)
.filter('[data-index="' + self.instance.current.index + '"]')
.addClass(CLASS_ACTIVE);
thumbPos = thumb.position();
// Check if need to scroll to make current thumb visible
if (self.opts.axis === "y" && (thumbPos.top < 0 || thumbPos.top > $list.height() - thumb.outerHeight())) {
$list.stop().animate({
scrollTop: $list.scrollTop() + thumbPos.top
},
duration
);
} else if (
self.opts.axis === "x" &&
(thumbPos.left < $grid.scrollLeft() || thumbPos.left > $grid.scrollLeft() + ($grid.width() - thumb.outerWidth()))
) {
$list
.parent()
.stop()
.animate({
scrollLeft: thumbPos.left
},
duration
);
}
},
update: function () {
var that = this;
that.instance.$refs.container.toggleClass("bbcbox-show-thumbs", this.isVisible);
if (that.isVisible) {
if (!that.$grid) {
that.create();
}
that.instance.trigger("onThumbsShow");
that.focus(0);
} else if (that.$grid) {
that.instance.trigger("onThumbsHide");
}
// Update content position
that.instance.update();
},
hide: function () {
this.isVisible = false;
this.update();
},
show: function () {
this.isVisible = true;
this.update();
},
toggle: function () {
this.isVisible = !this.isVisible;
this.update();
}
});
$(document).on({
"onInit.bbc": function (e, instance) {
var Thumbs;
if (instance && !instance.Thumbs) {
Thumbs = new BbcThumbs(instance);
if (Thumbs.isActive && Thumbs.opts.autoStart === true) {
Thumbs.show();
}
}
},
"beforeShow.bbc": function (e, instance, item, firstRun) {
var Thumbs = instance && instance.Thumbs;
if (Thumbs && Thumbs.isVisible) {
Thumbs.focus(firstRun ? 0 : 250);
}
},
"afterKeydown.bbc": function (e, instance, current, keypress, keycode) {
var Thumbs = instance && instance.Thumbs;
// "G"
if (Thumbs && Thumbs.isActive && keycode === 71) {
keypress.preventDefault();
Thumbs.toggle();
}
},
"beforeClose.bbc": function (e, instance) {
var Thumbs = instance && instance.Thumbs;
if (Thumbs && Thumbs.isVisible && Thumbs.opts.hideOnClose !== false) {
Thumbs.$grid.hide();
}
}
});
})(document, jQuery);
// ==========================================================================
//
// Hash
// Enables linking to each modal
//
// ==========================================================================
(function (window, document, $) {
"use strict";
// Simple $.escapeSelector polyfill (for jQuery prior v3)
if (!$.escapeSelector) {
$.escapeSelector = function (sel) {
var rcssescape = /([\0-\x1f\x7f]|^-?\d)|^-$|[^\x80-\uFFFF\w-]/g;
var fcssescape = function (ch, asCodePoint) {
if (asCodePoint) {
// U+0000 NULL becomes U+FFFD REPLACEMENT CHARACTER
if (ch === "\0") {
return "\uFFFD";
}
// Control characters and (dependent upon position) numbers get escaped as code points
return ch.slice(0, -1) + "\\" + ch.charCodeAt(ch.length - 1).toString(16) + " ";
}
// Other potentially-special ASCII characters get backslash-escaped
return "\\" + ch;
};
return (sel + "").replace(rcssescape, fcssescape);
};
}
// Get info about gallery name and current index from url
function parseUrl() {
var hash = window.location.hash.substr(1),
rez = hash.split("-"),
index = rez.length > 1 && /^\+?\d+$/.test(rez[rez.length - 1]) ? parseInt(rez.pop(-1), 10) || 1 : 1,
gallery = rez.join("-");
return {
hash: hash,
/* Index is starting from 1 */
index: index < 1 ? 1 : index,
gallery: gallery
};
}
// Trigger click evnt on links to open new bbcbox instance
function triggerFromUrl(url) {
if (url.gallery !== "") {
// If we can find element matching 'data-bbcbox' atribute,
// then triggering click event should start bbcbox
$("[data-bbcbox='" + $.escapeSelector(url.gallery) + "']")
.eq(url.index - 1)
.focus()
.trigger("click.bbc-start");
}
}
// Get gallery name from current instance
function getGalleryID(instance) {
var opts, ret;
if (!instance) {
return false;
}
opts = instance.current ? instance.current.opts : instance.opts;
ret = opts.hash || (opts.$orig ? opts.$orig.data("bbcbox") || opts.$orig.data("bbcbox-trigger") : "");
return ret === "" ? false : ret;
}
// Start when DOM becomes ready
$(function () {
// Check if user has disabled this module
if ($.bbcbox.defaults.hash === false) {
return;
}
// Update hash when opening/closing bbcbox
$(document).on({
"onInit.bbc": function (e, instance) {
var url, gallery;
if (instance.group[instance.currIndex].opts.hash === false) {
return;
}
url = parseUrl();
gallery = getGalleryID(instance);
// Make sure gallery start index matches index from hash
if (gallery && url.gallery && gallery == url.gallery) {
instance.currIndex = url.index - 1;
}
},
"beforeShow.bbc": function (e, instance, current, firstRun) {
var gallery;
if (!current || current.opts.hash === false) {
return;
}
// Check if need to update window hash
gallery = getGalleryID(instance);
if (!gallery) {
return;
}
// Variable containing last hash value set by bbcbox
// It will be used to determine if bbcbox needs to close after hash change is detected
instance.currentHash = gallery + (instance.group.length > 1 ? "-" + (current.index + 1) : "");
// If current hash is the same (this instance most likely is opened by hashchange), then do nothing
if (window.location.hash === "#" + instance.currentHash) {
return;
}
if (firstRun && !instance.origHash) {
instance.origHash = window.location.hash;
}
if (instance.hashTimer) {
clearTimeout(instance.hashTimer);
}
// Update hash
instance.hashTimer = setTimeout(function () {
if ("replaceState" in window.history) {
window.history[firstRun ? "pushState" : "replaceState"]({},
document.title,
window.location.pathname + window.location.search + "#" + instance.currentHash
);
if (firstRun) {
instance.hasCreatedHistory = true;
}
} else {
window.location.hash = instance.currentHash;
}
instance.hashTimer = null;
}, 300);
},
"beforeClose.bbc": function (e, instance, current) {
if (!current || current.opts.hash === false) {
return;
}
clearTimeout(instance.hashTimer);
// Goto previous history entry
if (instance.currentHash && instance.hasCreatedHistory) {
window.history.back();
} else if (instance.currentHash) {
if ("replaceState" in window.history) {
window.history.replaceState({}, document.title, window.location.pathname + window.location.search + (instance.origHash || ""));
} else {
window.location.hash = instance.origHash;
}
}
instance.currentHash = null;
}
});
// Check if need to start/close after url has changed
$(window).on("hashchange.bbc", function () {
var url = parseUrl(),
fb = null;
// Find last bbcbox instance that has "hash"
$.each(
$(".bbcbox-container")
.get()
.reverse(),
function (index, value) {
var tmp = $(value).data("bbcbox");
if (tmp && tmp.currentHash) {
fb = tmp;
return false;
}
}
);
if (fb) {
// Now, compare hash values
if (fb.currentHash !== url.gallery + "-" + url.index && !(url.index === 1 && fb.currentHash == url.gallery)) {
fb.currentHash = null;
fb.close();
}
} else if (url.gallery !== "") {
triggerFromUrl(url);
}
});
// Check current hash and trigger click event on matching element to start bbcbox, if needed
setTimeout(function () {
if (!$.bbcbox.getInstance()) {
triggerFromUrl(parseUrl());
}
}, 50);
});
})(window, document, jQuery);
// ==========================================================================
//
// Wheel
// Basic mouse weheel support for gallery navigation
//
// ==========================================================================
(function (document, $) {
"use strict";
var prevTime = new Date().getTime();
$(document).on({
"onInit.bbc": function (e, instance, current) {
instance.$refs.stage.on("mousewheel DOMMouseScroll wheel MozMousePixelScroll", function (e) {
var current = instance.current,
currTime = new Date().getTime();
if (instance.group.length < 2 || current.opts.wheel === false || (current.opts.wheel === "auto" && current.type !== "image")) {
return;
}
e.preventDefault();
e.stopPropagation();
if (current.$slide.hasClass("bbcbox-animated")) {
return;
}
e = e.originalEvent || e;
if (currTime - prevTime < 250) {
return;
}
prevTime = currTime;
instance[(-e.deltaY || -e.deltaX || e.wheelDelta || -e.detail) < 0 ? "next" : "previous"]();
});
}
});
})(document, jQuery);
// Step 1: Create jQuery plugin
// ============================
$.fn.bbcMorph = function( opts ) {
var Morphing = function( $btn, opts ) {
var self = this;
self.opts = $.extend({
animationEffect : false,
infobar : false,
buttons : ['close'],
smallBtn : false,
touch : false,
baseClass : 'bbcbox-morphing',
afterClose : function() {
self.close();
}
}, opts);
self.init( $btn );
};
Morphing.prototype.init = function( $btn ) {
var self = this;
self.$btn = $btn.addClass('morphing-btn');
self.$clone = $('')
.hide()
.insertAfter( $btn );
// Add wrapping element and set initial width used for positioning
$btn.wrap( '' ).on('click', function(e) {
e.preventDefault();
self.start();
});
};
Morphing.prototype.start = function() {
var self = this;
if ( self.$btn.hasClass('morphing-btn_circle') ) {
return;
}
// Set initial width, because it is not possible to start CSS transition from "auto"
// console.log(self, self.$btn)
self.$btn.width( self.$btn.width() ).parent().width( self.$btn.outerWidth() );
self.$btn.off('.fm').on("transitionend.fm webkitTransitionEnd.fm oTransitionEnd.fm MSTransitionEnd.fm", function(e) {
console.log(e)
self.$btn.off('.fm');
self.animateBg();
}).addClass('morphing-btn_circle');
};
Morphing.prototype.animateBg = function() {
var self = this;
self.scaleBg();
self.$clone.show();
// Trigger repaint
self.$clone[0].offsetHeight;
self.$clone.off('.fm').on("transitionend.fm webkitTransitionEnd.fm oTransitionEnd.fm MSTransitionEnd.fm", function(e) {
self.$clone.off('.fm');
self.complete();
}).addClass('morphing-btn-clone_visible');
};
Morphing.prototype.scaleBg = function() {
var self = this;
var $clone = self.$clone;
var scale = self.getScale();
var $btn = self.$btn;
var pos = $btn.offset();
// console.log($btn)
$clone.css({
top : pos.top + $btn.outerHeight() * 0.5 - ( $btn.outerHeight() * scale * 0.5 ) - $(window).scrollTop(),
left : pos.left + $btn.outerWidth() * 0.5 - ( $btn.outerWidth() * scale * 0.5 ) - $(window).scrollLeft(),
width : $btn.outerWidth() * scale,
height : $btn.outerHeight() * scale,
transform : 'scale(' + ( 1 / scale ) + ')'
});
};
Morphing.prototype.getScale = function() {
var $btn = this.$btn,
radius = $btn.outerWidth() * 0.5,
left = $btn.offset().left + radius - $(window).scrollLeft(),
top = $btn.offset().top + radius - $(window).scrollTop(),
windowW = $(window).width(),
windowH = $(window).height();
var maxDistHor = ( left > windowW / 2 ) ? left : ( windowW - left ),
maxDistVert = ( top > windowH / 2 ) ? top : ( windowH - top );
return Math.ceil(Math.sqrt( Math.pow( maxDistHor, 2 ) + Math.pow( maxDistVert, 2 ) ) / radius );
};
Morphing.prototype.complete = function() {
var self = this;
var $btn = self.$btn;
$.bbcbox.open({ src : $btn.data('src') || $btn.attr('href') }, self.opts);
$(window).on('resize.fm', function() {
//self.scaleBg();
});
};
Morphing.prototype.close = function() {
var self = this;
var $clone = self.$clone;
self.scaleBg();
$clone.one('transitionend webkitTransitionEnd oTransitionEnd MSTransitionEnd', function(e) {
$clone.hide();
self.$btn.removeClass('morphing-btn_circle');
});
$clone.removeClass('morphing-btn-clone_visible');
$(window).off('resize.fm');
};
// Init
this.each(function() {
var $this = $(this);
if ( !$this.data("morphing") ) {
$this.data( "morphing", new Morphing( $this, opts ) );
}
});
return this;
};
// Step 2: Start using it!
// =======================
$("[data-morphing]").bbcMorph({
hash : 'morphing'
});
/**
* Swiper 7.3.4
* Most modern mobile touch slider and framework with hardware accelerated transitions
* https://swiperjs.com
*
* Copyright 2014-2021 Vladimir Kharlampidi
*
* Released under the MIT License
*
* Released on: December 22, 2021
*/
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e=!0;h.is(n.focusableElements)&&(e=!1),s.activeElement&&d(s.activeElement).is(n.focusableElements)&&s.activeElement!==h[0]&&s.activeElement.blur();const a=e&&t.allowTouchMove&&l.touchStartPreventDefault;!l.touchStartForcePreventDefault&&!a||h[0].isContentEditable||p.preventDefault()}t.emit("touchStart",p)}function M(e){const t=a(),s=this,i=s.touchEventsData,{params:r,touches:n,rtlTranslate:l,enabled:o}=s;if(!o)return;let c=e;if(c.originalEvent&&(c=c.originalEvent),!i.isTouched)return void(i.startMoving&&i.isScrolling&&s.emit("touchMoveOpposite",c));if(i.isTouchEvent&&"touchmove"!==c.type)return;const p="touchmove"===c.type&&c.targetTouches&&(c.targetTouches[0]||c.changedTouches[0]),h="touchmove"===c.type?p.pageX:c.pageX,m="touchmove"===c.type?p.pageY:c.pageY;if(c.preventedByNestedSwiper)return n.startX=h,void(n.startY=m);if(!s.allowTouchMove)return s.allowClick=!1,void(i.isTouched&&(Object.assign(n,{startX:h,startY:m,currentX:h,currentY:m}),i.touchStartTime=u()));if(i.isTouchEvent&&r.touchReleaseOnEdges&&!r.loop)if(s.isVertical()){if(mn.startY&&s.translate>=s.minTranslate())return i.isTouched=!1,void(i.isMoved=!1)}else if(hn.startX&&s.translate>=s.minTranslate())return;if(i.isTouchEvent&&t.activeElement&&c.target===t.activeElement&&d(c.target).is(i.focusableElements))return i.isMoved=!0,void(s.allowClick=!1);if(i.allowTouchCallbacks&&s.emit("touchMove",c),c.targetTouches&&c.targetTouches.length>1)return;n.currentX=h,n.currentY=m;const f=n.currentX-n.startX,g=n.currentY-n.startY;if(s.params.threshold&&Math.sqrt(f**2+g**2)=25&&(e=180*Math.atan2(Math.abs(g),Math.abs(f))/Math.PI,i.isScrolling=s.isHorizontal()?e>r.touchAngle:90-e>r.touchAngle)}if(i.isScrolling&&s.emit("touchMoveOpposite",c),void 0===i.startMoving&&(n.currentX===n.startX&&n.currentY===n.startY||(i.startMoving=!0)),i.isScrolling)return 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w=!0,b=r.resistanceRatio;if(r.touchReleaseOnEdges&&(b=0),v>0&&i.currentTranslate>s.minTranslate()?(w=!1,r.resistance&&(i.currentTranslate=s.minTranslate()-1+(-s.minTranslate()+i.startTranslate+v)**b)):v<0&&i.currentTranslatei.startTranslate&&(i.currentTranslate=i.startTranslate),s.allowSlidePrev||s.allowSlideNext||(i.currentTranslate=i.startTranslate),r.threshold>0){if(!(Math.abs(v)>r.threshold||i.allowThresholdMove))return void(i.currentTranslate=i.startTranslate);if(!i.allowThresholdMove)return i.allowThresholdMove=!0,n.startX=n.currentX,n.startY=n.currentY,i.currentTranslate=i.startTranslate,void(n.diff=s.isHorizontal()?n.currentX-n.startX:n.currentY-n.startY)}r.followFinger&&!r.cssMode&&((r.freeMode&&r.freeMode.enabled&&s.freeMode||r.watchSlidesProgress)&&(s.updateActiveIndex(),s.updateSlidesClasses()),s.params.freeMode&&r.freeMode.enabled&&s.freeMode&&s.freeMode.onTouchMove(),s.updateProgress(i.currentTranslate),s.setTranslate(i.currentTranslate))}function P(e){const t=this,s=t.touchEventsData,{params:a,touches:i,rtlTranslate:r,slidesGrid:n,enabled:l}=t;if(!l)return;let o=e;if(o.originalEvent&&(o=o.originalEvent),s.allowTouchCallbacks&&t.emit("touchEnd",o),s.allowTouchCallbacks=!1,!s.isTouched)return s.isMoved&&a.grabCursor&&t.setGrabCursor(!1),s.isMoved=!1,void(s.startMoving=!1);a.grabCursor&&s.isMoved&&s.isTouched&&(!0===t.allowSlideNext||!0===t.allowSlidePrev)&&t.setGrabCursor(!1);const d=u(),c=d-s.touchStartTime;if(t.allowClick){const e=o.path||o.composedPath&&o.composedPath();t.updateClickedSlide(e&&e[0]||o.target),t.emit("tap click",o),c<300&&d-s.lastClickTime<300&&t.emit("doubleTap doubleClick",o)}if(s.lastClickTime=u(),p((()=>{t.destroyed||(t.allowClick=!0)})),!s.isTouched||!s.isMoved||!t.swipeDirection||0===i.diff||s.currentTranslate===s.startTranslate)return s.isTouched=!1,s.isMoved=!1,void(s.startMoving=!1);let h;if(s.isTouched=!1,s.isMoved=!1,s.startMoving=!1,h=a.followFinger?r?t.translate:-t.translate:-s.currentTranslate,a.cssMode)return;if(t.params.freeMode&&a.freeMode.enabled)return void t.freeMode.onTouchEnd({currentPos:h});let m=0,f=t.slidesSizesGrid[0];for(let e=0;e=n[e]&&h=n[e]&&(m=e,f=n[n.length-1]-n[n.length-2])}const g=(h-n[m])/f,v=ma.longSwipesMs){if(!a.longSwipes)return void t.slideTo(t.activeIndex);"next"===t.swipeDirection&&(g>=a.longSwipesRatio?t.slideTo(m+v):t.slideTo(m)),"prev"===t.swipeDirection&&(g>1-a.longSwipesRatio?t.slideTo(m+v):t.slideTo(m))}else{if(!a.shortSwipes)return void t.slideTo(t.activeIndex);t.navigation&&(o.target===t.navigation.nextEl||o.target===t.navigation.prevEl)?o.target===t.navigation.nextEl?t.slideTo(m+v):t.slideTo(m):("next"===t.swipeDirection&&t.slideTo(m+v),"prev"===t.swipeDirection&&t.slideTo(m))}}function k(){const e=this,{params:t,el:s}=e;if(s&&0===s.offsetWidth)return;t.breakpoints&&e.setBreakpoint();const{allowSlideNext:a,allowSlidePrev:i,snapGrid:r}=e;e.allowSlideNext=!0,e.allowSlidePrev=!0,e.updateSize(),e.updateSlides(),e.updateSlidesClasses(),("auto"===t.slidesPerView||t.slidesPerView>1)&&e.isEnd&&!e.isBeginning&&!e.params.centeredSlides?e.slideTo(e.slides.length-1,0,!1,!0):e.slideTo(e.activeIndex,0,!1,!0),e.autoplay&&e.autoplay.running&&e.autoplay.paused&&e.autoplay.run(),e.allowSlidePrev=i,e.allowSlideNext=a,e.params.watchOverflow&&r!==e.snapGrid&&e.checkOverflow()}function z(e){const t=this;t.enabled&&(t.allowClick||(t.params.preventClicks&&e.preventDefault(),t.params.preventClicksPropagation&&t.animating&&(e.stopPropagation(),e.stopImmediatePropagation())))}function O(){const e=this,{wrapperEl:t,rtlTranslate:s,enabled:a}=e;if(!a)return;let i;e.previousTranslate=e.translate,e.isHorizontal()?e.translate=-t.scrollLeft:e.translate=-t.scrollTop,-0===e.translate&&(e.translate=0),e.updateActiveIndex(),e.updateSlidesClasses();const r=e.maxTranslate()-e.minTranslate();i=0===r?0:(e.translate-e.minTranslate())/r,i!==e.progress&&e.updateProgress(s?-e.translate:e.translate),e.emit("setTranslate",e.translate,!1)}let I=!1;function L(){}const A=(e,t)=>{const s=a(),{params:i,touchEvents:r,el:n,wrapperEl:l,device:o,support:d}=e,c=!!i.nested,p="on"===t?"addEventListener":"removeEventListener",u=t;if(d.touch){const t=!("touchstart"!==r.start||!d.passiveListener||!i.passiveListeners)&&{passive:!0,capture:!1};n[p](r.start,e.onTouchStart,t),n[p](r.move,e.onTouchMove,d.passiveListener?{passive:!1,capture:c}:c),n[p](r.end,e.onTouchEnd,t),r.cancel&&n[p](r.cancel,e.onTouchEnd,t)}else 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0,breakpointsBase:"window",spaceBetween:0,slidesPerView:1,slidesPerGroup:1,slidesPerGroupSkip:0,slidesPerGroupAuto:!1,centeredSlides:!1,centeredSlidesBounds:!1,slidesOffsetBefore:0,slidesOffsetAfter:0,normalizeSlideIndex:!0,centerInsufficientSlides:!1,watchOverflow:!0,roundLengths:!1,touchRatio:1,touchAngle:45,simulateTouch:!0,shortSwipes:!0,longSwipes:!0,longSwipesRatio:.5,longSwipesMs:300,followFinger:!0,allowTouchMove:!0,threshold:0,touchMoveStopPropagation:!1,touchStartPreventDefault:!0,touchStartForcePreventDefault:!1,touchReleaseOnEdges:!1,uniqueNavElements:!0,resistance:!0,resistanceRatio:.85,watchSlidesProgress:!1,grabCursor:!1,preventClicks:!0,preventClicksPropagation:!0,slideToClickedSlide:!1,preloadImages:!0,updateOnImagesReady:!0,loop:!1,loopAdditionalSlides:0,loopedSlides:null,loopFillGroupWithBlank:!1,loopPreventsSlide:!0,allowSlidePrev:!0,allowSlideNext:!0,swipeHandler:null,noSwiping:!0,noSwipingClass:"swiper-no-swiping",noSwipingSelector:null,passiveListeners:!0,containerModifierClass:"swiper-",slideClass:"swiper-slide",slideBlankClass:"swiper-slide-invisible-blank",slideActiveClass:"swiper-slide-active",slideDuplicateActiveClass:"swiper-slide-duplicate-active",slideVisibleClass:"swiper-slide-visible",slideDuplicateClass:"swiper-slide-duplicate",slideNextClass:"swiper-slide-next",slideDuplicateNextClass:"swiper-slide-duplicate-next",slidePrevClass:"swiper-slide-prev",slideDuplicatePrevClass:"swiper-slide-duplicate-prev",wrapperClass:"swiper-wrapper",runCallbacksOnInit:!0,_emitClasses:!1};function N(e,t){return function(s={}){const a=Object.keys(s)[0],i=s[a];"object"==typeof i&&null!==i?(["navigation","pagination","scrollbar"].indexOf(a)>=0&&!0===e[a]&&(e[a]={auto:!0}),a in e&&"enabled"in i?(!0===e[a]&&(e[a]={enabled:!0}),"object"!=typeof e[a]||"enabled"in e[a]||(e[a].enabled=!0),e[a]||(e[a]={enabled:!1}),f(t,s)):f(t,s)):f(t,s)}}const B={eventsEmitter:C,update:{updateSize:function(){const e=this;let t,s;const a=e.$el;t=void 0!==e.params.width&&null!==e.params.width?e.params.width:a[0].clientWidth,s=void 0!==e.params.height&&null!==e.params.height?e.params.height:a[0].clientHeight,0===t&&e.isHorizontal()||0===s&&e.isVertical()||(t=t-parseInt(a.css("padding-left")||0,10)-parseInt(a.css("padding-right")||0,10),s=s-parseInt(a.css("padding-top")||0,10)-parseInt(a.css("padding-bottom")||0,10),Number.isNaN(t)&&(t=0),Number.isNaN(s)&&(s=0),Object.assign(e,{width:t,height:s,size:e.isHorizontal()?t:s}))},updateSlides:function(){const e=this;function t(t){return e.isHorizontal()?t:{width:"height","margin-top":"margin-left","margin-bottom ":"margin-right","margin-left":"margin-top","margin-right":"margin-bottom","padding-left":"padding-top","padding-right":"padding-bottom",marginRight:"marginBottom"}[t]}function s(e,s){return parseFloat(e.getPropertyValue(t(s))||0)}const a=e.params,{$wrapperEl:i,size:r,rtlTranslate:n,wrongRTL:l}=e,o=e.virtual&&a.virtual.enabled,d=o?e.virtual.slides.length:e.slides.length,c=i.children(`.${e.params.slideClass}`),p=o?e.virtual.slides.length:c.length;let u=[];const h=[],m=[];let f=a.slidesOffsetBefore;"function"==typeof f&&(f=a.slidesOffsetBefore.call(e));let v=a.slidesOffsetAfter;"function"==typeof v&&(v=a.slidesOffsetAfter.call(e));const w=e.snapGrid.length,b=e.slidesGrid.length;let x=a.spaceBetween,y=-f,E=0,T=0;if(void 0===r)return;"string"==typeof x&&x.indexOf("%")>=0&&(x=parseFloat(x.replace("%",""))/100*r),e.virtualSize=-x,n?c.css({marginLeft:"",marginBottom:"",marginTop:""}):c.css({marginRight:"",marginBottom:"",marginTop:""}),a.centeredSlides&&a.cssMode&&(g(e.wrapperEl,"--swiper-centered-offset-before",""),g(e.wrapperEl,"--swiper-centered-offset-after",""));const C=a.grid&&a.grid.rows>1&&e.grid;let $;C&&e.grid.initSlides(p);const S="auto"===a.slidesPerView&&a.breakpoints&&Object.keys(a.breakpoints).filter((e=>void 0!==a.breakpoints[e].slidesPerView)).length>0;for(let i=0;i1&&u.push(e.virtualSize-r)}if(0===u.length&&(u=[0]),0!==a.spaceBetween){const s=e.isHorizontal()&&n?"marginLeft":t("marginRight");c.filter(((e,t)=>!a.cssMode||t!==c.length-1)).css({[s]:`${x}px`})}if(a.centeredSlides&&a.centeredSlidesBounds){let e=0;m.forEach((t=>{e+=t+(a.spaceBetween?a.spaceBetween:0)})),e-=a.spaceBetween;const t=e-r;u=u.map((e=>e<0?-f:e>t?t+v:e))}if(a.centerInsufficientSlides){let e=0;if(m.forEach((t=>{e+=t+(a.spaceBetween?a.spaceBetween:0)})),e-=a.spaceBetween,e{u[s]=e-t})),h.forEach(((e,s)=>{h[s]=e+t}))}}if(Object.assign(e,{slides:c,snapGrid:u,slidesGrid:h,slidesSizesGrid:m}),a.centeredSlides&&a.cssMode&&!a.centeredSlidesBounds){g(e.wrapperEl,"--swiper-centered-offset-before",-u[0]+"px"),g(e.wrapperEl,"--swiper-centered-offset-after",e.size/2-m[m.length-1]/2+"px");const t=-e.snapGrid[0],s=-e.slidesGrid[0];e.snapGrid=e.snapGrid.map((e=>e+t)),e.slidesGrid=e.slidesGrid.map((e=>e+s))}p!==d&&e.emit("slidesLengthChange"),u.length!==w&&(e.params.watchOverflow&&e.checkOverflow(),e.emit("snapGridLengthChange")),h.length!==b&&e.emit("slidesGridLengthChange"),a.watchSlidesProgress&&e.updateSlidesOffset()},updateAutoHeight:function(e){const t=this,s=[],a=t.virtual&&t.params.virtual.enabled;let i,r=0;"number"==typeof e?t.setTransition(e):!0===e&&t.setTransition(t.params.speed);const n=e=>a?t.slides.filter((t=>parseInt(t.getAttribute("data-swiper-slide-index"),10)===e))[0]:t.slides.eq(e)[0];if("auto"!==t.params.slidesPerView&&t.params.slidesPerView>1)if(t.params.centeredSlides)t.visibleSlides.each((e=>{s.push(e)}));else for(i=0;it.slides.length&&!a)break;s.push(n(e))}else s.push(n(t.activeIndex));for(i=0;ir?e:r}r&&t.$wrapperEl.css("height",`${r}px`)},updateSlidesOffset:function(){const e=this,t=e.slides;for(let s=0;s=0&&p1&&u<=t.size||p<=0&&u>=t.size)&&(t.visibleSlides.push(l),t.visibleSlidesIndexes.push(e),a.eq(e).addClass(s.slideVisibleClass)),l.progress=i?-d:d,l.originalProgress=i?-c:c}t.visibleSlides=d(t.visibleSlides)},updateProgress:function(e){const t=this;if(void 0===e){const s=t.rtlTranslate?-1:1;e=t&&t.translate&&t.translate*s||0}const s=t.params,a=t.maxTranslate()-t.minTranslate();let{progress:i,isBeginning:r,isEnd:n}=t;const l=r,o=n;0===a?(i=0,r=!0,n=!0):(i=(e-t.minTranslate())/a,r=i<=0,n=i>=1),Object.assign(t,{progress:i,isBeginning:r,isEnd:n}),(s.watchSlidesProgress||s.centeredSlides&&s.autoHeight)&&t.updateSlidesProgress(e),r&&!l&&t.emit("reachBeginning toEdge"),n&&!o&&t.emit("reachEnd toEdge"),(l&&!r||o&&!n)&&t.emit("fromEdge"),t.emit("progress",i)},updateSlidesClasses:function(){const e=this,{slides:t,params:s,$wrapperEl:a,activeIndex:i,realIndex:r}=e,n=e.virtual&&s.virtual.enabled;let l;t.removeClass(`${s.slideActiveClass} ${s.slideNextClass} ${s.slidePrevClass} ${s.slideDuplicateActiveClass} ${s.slideDuplicateNextClass} ${s.slideDuplicatePrevClass}`),l=n?e.$wrapperEl.find(`.${s.slideClass}[data-swiper-slide-index="${i}"]`):t.eq(i),l.addClass(s.slideActiveClass),s.loop&&(l.hasClass(s.slideDuplicateClass)?a.children(`.${s.slideClass}:not(.${s.slideDuplicateClass})[data-swiper-slide-index="${r}"]`).addClass(s.slideDuplicateActiveClass):a.children(`.${s.slideClass}.${s.slideDuplicateClass}[data-swiper-slide-index="${r}"]`).addClass(s.slideDuplicateActiveClass));let o=l.nextAll(`.${s.slideClass}`).eq(0).addClass(s.slideNextClass);s.loop&&0===o.length&&(o=t.eq(0),o.addClass(s.slideNextClass));let 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