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DESCRIPTORS = require('../internals/descriptors');\nvar objectKeys = require('../internals/object-keys');\nvar toIndexedObject = require('../internals/to-indexed-object');\nvar propertyIsEnumerable = require('../internals/object-property-is-enumerable').f;\n\n// `Object.{ entries, values }` methods implementation\nvar createMethod = function (TO_ENTRIES) {\n  return function (it) {\n    var O = toIndexedObject(it);\n    var keys = objectKeys(O);\n    var length = keys.length;\n    var i = 0;\n    var result = [];\n    var key;\n    while (length > i) {\n      key = keys[i++];\n      if (!DESCRIPTORS || propertyIsEnumerable.call(O, key)) {\n        result.push(TO_ENTRIES ? [key, O[key]] : O[key]);\n      }\n    }\n    return result;\n  };\n};\n\nmodule.exports = {\n  // `Object.entries` method\n  // https://tc39.github.io/ecma262/#sec-object.entries\n  entries: createMethod(true),\n  // `Object.values` method\n  // https://tc39.github.io/ecma262/#sec-object.values\n  values: createMethod(false)\n};\n","var $ = require('../internals/export');\nvar $values = require('../internals/object-to-array').values;\n\n// `Object.values` method\n// https://tc39.github.io/ecma262/#sec-object.values\n$({ target: 'Object', stat: true }, {\n  values: function values(O) {\n    return $values(O);\n  }\n});\n","function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError(\"Cannot call a class as a function\"); } }\n\nfunction _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if (\"value\" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }\n\nfunction _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }\n\nimport throwIfMissing from \"./util/throwIfMissing\";\nimport { addClasses, removeClasses } from \"./util/dom\";\n\nvar BoundingBox = /*#__PURE__*/function () {\n  function BoundingBox(options) {\n    _classCallCheck(this, BoundingBox);\n\n    this.isShowing = false;\n    var _options$namespace = options.namespace,\n        namespace = _options$namespace === void 0 ? null : _options$namespace,\n        _options$zoomFactor = options.zoomFactor,\n        zoomFactor = _options$zoomFactor === void 0 ? throwIfMissing() : _options$zoomFactor,\n        _options$containerEl = options.containerEl,\n        containerEl = _options$containerEl === void 0 ? throwIfMissing() : _options$containerEl;\n    this.settings = {\n      namespace: namespace,\n      zoomFactor: zoomFactor,\n      containerEl: containerEl\n    };\n    this.openClasses = this._buildClasses(\"open\");\n\n    this._buildElement();\n  }\n\n  _createClass(BoundingBox, [{\n    key: \"_buildClasses\",\n    value: function _buildClasses(suffix) {\n      var classes = [\"drift-\".concat(suffix)];\n      var ns = this.settings.namespace;\n\n      if (ns) {\n        classes.push(\"\".concat(ns, \"-\").concat(suffix));\n      }\n\n      return classes;\n    }\n  }, {\n    key: \"_buildElement\",\n    value: function _buildElement() {\n      this.el = document.createElement(\"div\");\n      addClasses(this.el, this._buildClasses(\"bounding-box\"));\n    }\n  }, {\n    key: \"show\",\n    value: function show(zoomPaneWidth, zoomPaneHeight) {\n      this.isShowing = true;\n      this.settings.containerEl.appendChild(this.el);\n      var style = this.el.style;\n      style.width = \"\".concat(Math.round(zoomPaneWidth / this.settings.zoomFactor), \"px\");\n      style.height = \"\".concat(Math.round(zoomPaneHeight / this.settings.zoomFactor), \"px\");\n      addClasses(this.el, this.openClasses);\n    }\n  }, {\n    key: \"hide\",\n    value: function hide() {\n      if (this.isShowing) {\n        this.settings.containerEl.removeChild(this.el);\n      }\n\n      this.isShowing = false;\n      removeClasses(this.el, this.openClasses);\n    }\n  }, {\n    key: \"setPosition\",\n    value: function setPosition(percentageOffsetX, percentageOffsetY, triggerRect) {\n      var pageXOffset = window.pageXOffset;\n      var pageYOffset = window.pageYOffset;\n      var inlineLeft = triggerRect.left + percentageOffsetX * triggerRect.width - this.el.clientWidth / 2 + pageXOffset;\n      var inlineTop = triggerRect.top + percentageOffsetY * triggerRect.height - this.el.clientHeight / 2 + pageYOffset;\n\n      if (inlineLeft < triggerRect.left + pageXOffset) {\n        inlineLeft = triggerRect.left + pageXOffset;\n      } else if (inlineLeft + this.el.clientWidth > triggerRect.left + triggerRect.width + pageXOffset) {\n        inlineLeft = triggerRect.left + triggerRect.width - this.el.clientWidth + pageXOffset;\n      }\n\n      if (inlineTop < triggerRect.top + pageYOffset) {\n        inlineTop = triggerRect.top + pageYOffset;\n      } else if (inlineTop + this.el.clientHeight > triggerRect.top + triggerRect.height + pageYOffset) {\n        inlineTop = triggerRect.top + triggerRect.height - this.el.clientHeight + pageYOffset;\n      }\n\n      this.el.style.left = \"\".concat(inlineLeft, \"px\");\n      this.el.style.top = \"\".concat(inlineTop, \"px\");\n    }\n  }]);\n\n  return BoundingBox;\n}();\n\nexport { BoundingBox as default };\n//# sourceMappingURL=BoundingBox.js.map","function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError(\"Cannot call a class as a function\"); } }\n\nfunction _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if (\"value\" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }\n\nfunction _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }\n\nimport { isDOMElement } from \"./util/dom\";\nimport injectBaseStylesheet from \"./injectBaseStylesheet\";\nimport Trigger from \"./Trigger\";\nimport ZoomPane from \"./ZoomPane\";\n\nvar Drift = /*#__PURE__*/function () {\n  function Drift(triggerEl) {\n    var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};\n\n    _classCallCheck(this, Drift);\n\n    this.VERSION = \"1.4.4\";\n    this.triggerEl = triggerEl;\n    this.destroy = this.destroy.bind(this);\n\n    if (!isDOMElement(this.triggerEl)) {\n      throw new TypeError(\"`new Drift` requires a DOM element as its first argument.\");\n    } // Prefix for generated element class names (e.g. `my-ns` will\n    // result in classes such as `my-ns-pane`. Default `drift-`\n    // prefixed classes will always be added as well.\n\n\n    var namespace = options[\"namespace\"] || null; // Whether the ZoomPane should show whitespace when near the edges.\n\n    var showWhitespaceAtEdges = options[\"showWhitespaceAtEdges\"] || false; // Whether the inline ZoomPane should stay inside\n    // the bounds of its image.\n\n    var containInline = options[\"containInline\"] || false; // How much to offset the ZoomPane from the\n    // interaction point when inline.\n\n    var inlineOffsetX = options[\"inlineOffsetX\"] || 0;\n    var inlineOffsetY = options[\"inlineOffsetY\"] || 0; // A DOM element to append the inline ZoomPane to\n\n    var inlineContainer = options[\"inlineContainer\"] || document.body; // Which trigger attribute to pull the ZoomPane image source from.\n\n    var sourceAttribute = options[\"sourceAttribute\"] || \"data-zoom\"; // How much to magnify the trigger by in the ZoomPane.\n    // (e.g., `zoomFactor: 3` will result in a 900 px wide ZoomPane imag\n    // if the trigger is displayed at 300 px wide)\n\n    var zoomFactor = options[\"zoomFactor\"] || 3; // A DOM element to append the non-inline ZoomPane to.\n    // Required if `inlinePane !== true`.\n\n    var paneContainer = options[\"paneContainer\"] === undefined ? document.body : options[\"paneContainer\"]; // When to switch to an inline ZoomPane. This can be a boolean or\n    // an integer. If `true`, the ZoomPane will always be inline,\n    // if `false`, it will switch to inline when `windowWidth <= inlinePane`\n\n    var inlinePane = options[\"inlinePane\"] || 375; // If `true`, touch events will trigger the zoom, like mouse events.\n\n    var handleTouch = \"handleTouch\" in options ? !!options[\"handleTouch\"] : true; // If present (and a function), this will be called\n    // whenever the ZoomPane is shown.\n\n    var onShow = options[\"onShow\"] || null; // If present (and a function), this will be called\n    // whenever the ZoomPane is hidden.\n\n    var onHide = options[\"onHide\"] || null; // Add base styles to the page. See the \"Theming\"\n    // section of README.md for more information.\n\n    var injectBaseStyles = \"injectBaseStyles\" in options ? !!options[\"injectBaseStyles\"] : true; // An optional number that determines how long to wait before\n    // showing the ZoomPane because of a `mouseenter` event.\n\n    var hoverDelay = options[\"hoverDelay\"] || 0; // An optional number that determines how long to wait before\n    // showing the ZoomPane because of a `touchstart` event.\n    // It's unlikely that you would want to use this option, since\n    // \"tap and hold\" is much more intentional than a hover event.\n\n    var touchDelay = options[\"touchDelay\"] || 0; // If true, a bounding box will show the area currently being previewed\n    // during mouse hover\n\n    var hoverBoundingBox = options[\"hoverBoundingBox\"] || false; // If true, a bounding box will show the area currently being previewed\n    // during touch events\n\n    var touchBoundingBox = options[\"touchBoundingBox\"] || false; // A DOM element to append the bounding box to.\n\n    var boundingBoxContainer = options[\"boundingBoxContainer\"] || document.body;\n\n    if (inlinePane !== true && !isDOMElement(paneContainer)) {\n      throw new TypeError(\"`paneContainer` must be a DOM element when `inlinePane !== true`\");\n    }\n\n    if (!isDOMElement(inlineContainer)) {\n      throw new TypeError(\"`inlineContainer` must be a DOM element\");\n    }\n\n    this.settings = {\n      namespace: namespace,\n      showWhitespaceAtEdges: showWhitespaceAtEdges,\n      containInline: containInline,\n      inlineOffsetX: inlineOffsetX,\n      inlineOffsetY: inlineOffsetY,\n      inlineContainer: inlineContainer,\n      sourceAttribute: sourceAttribute,\n      zoomFactor: zoomFactor,\n      paneContainer: paneContainer,\n      inlinePane: inlinePane,\n      handleTouch: handleTouch,\n      onShow: onShow,\n      onHide: onHide,\n      injectBaseStyles: injectBaseStyles,\n      hoverDelay: hoverDelay,\n      touchDelay: touchDelay,\n      hoverBoundingBox: hoverBoundingBox,\n      touchBoundingBox: touchBoundingBox,\n      boundingBoxContainer: boundingBoxContainer\n    };\n\n    if (this.settings.injectBaseStyles) {\n      injectBaseStylesheet();\n    }\n\n    this._buildZoomPane();\n\n    this._buildTrigger();\n  }\n\n  _createClass(Drift, [{\n    key: \"_buildZoomPane\",\n    value: function _buildZoomPane() {\n      this.zoomPane = new ZoomPane({\n        container: this.settings.paneContainer,\n        zoomFactor: this.settings.zoomFactor,\n        showWhitespaceAtEdges: this.settings.showWhitespaceAtEdges,\n        containInline: this.settings.containInline,\n        inline: this.settings.inlinePane,\n        namespace: this.settings.namespace,\n        inlineOffsetX: this.settings.inlineOffsetX,\n        inlineOffsetY: this.settings.inlineOffsetY,\n        inlineContainer: this.settings.inlineContainer\n      });\n    }\n  }, {\n    key: \"_buildTrigger\",\n    value: function _buildTrigger() {\n      this.trigger = new Trigger({\n        el: this.triggerEl,\n        zoomPane: this.zoomPane,\n        handleTouch: this.settings.handleTouch,\n        onShow: this.settings.onShow,\n        onHide: this.settings.onHide,\n        sourceAttribute: this.settings.sourceAttribute,\n        hoverDelay: this.settings.hoverDelay,\n        touchDelay: this.settings.touchDelay,\n        hoverBoundingBox: this.settings.hoverBoundingBox,\n        touchBoundingBox: this.settings.touchBoundingBox,\n        namespace: this.settings.namespace,\n        zoomFactor: this.settings.zoomFactor,\n        boundingBoxContainer: this.settings.boundingBoxContainer\n      });\n    }\n  }, {\n    key: \"setZoomImageURL\",\n    value: function setZoomImageURL(imageURL) {\n      this.zoomPane._setImageURL(imageURL);\n    }\n  }, {\n    key: \"disable\",\n    value: function disable() {\n      this.trigger.enabled = false;\n    }\n  }, {\n    key: \"enable\",\n    value: function enable() {\n      this.trigger.enabled = true;\n    }\n  }, {\n    key: \"destroy\",\n    value: function destroy() {\n      this.trigger._hide();\n\n      this.trigger._unbindEvents();\n    }\n  }, {\n    key: \"isShowing\",\n    get: function get() {\n      return this.zoomPane.isShowing;\n    }\n  }, {\n    key: \"zoomFactor\",\n    get: function get() {\n      return this.settings.zoomFactor;\n    },\n    set: function set(zf) {\n      this.settings.zoomFactor = zf;\n      this.zoomPane.settings.zoomFactor = zf;\n      this.trigger.settings.zoomFactor = zf;\n      this.boundingBox.settings.zoomFactor = zf;\n    }\n  }]);\n\n  return Drift;\n}(); // Public API\n\n/* eslint-disable no-self-assign */\n\n\nexport { Drift as default };\nObject.defineProperty(Drift.prototype, \"isShowing\", {\n  get: function get() {\n    return this.isShowing;\n  }\n});\nObject.defineProperty(Drift.prototype, \"zoomFactor\", {\n  get: function get() {\n    return this.zoomFactor;\n  },\n  set: function set(value) {\n    this.zoomFactor = value;\n  }\n});\nDrift.prototype[\"setZoomImageURL\"] = Drift.prototype.setZoomImageURL;\nDrift.prototype[\"disable\"] = Drift.prototype.disable;\nDrift.prototype[\"enable\"] = Drift.prototype.enable;\nDrift.prototype[\"destroy\"] = Drift.prototype.destroy;\n/* eslint-enable no-self-assign */\n//# sourceMappingURL=Drift.js.map","function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError(\"Cannot call a class as a function\"); } }\n\nfunction _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if (\"value\" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }\n\nfunction _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }\n\nimport throwIfMissing from \"./util/throwIfMissing\";\nimport BoundingBox from \"./BoundingBox\";\n\nvar Trigger = /*#__PURE__*/function () {\n  function Trigger() {\n    var options = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};\n\n    _classCallCheck(this, Trigger);\n\n    this._show = this._show.bind(this);\n    this._hide = this._hide.bind(this);\n    this._handleEntry = this._handleEntry.bind(this);\n    this._handleMovement = this._handleMovement.bind(this);\n    var _options$el = options.el,\n        el = _options$el === void 0 ? throwIfMissing() : _options$el,\n        _options$zoomPane = options.zoomPane,\n        zoomPane = _options$zoomPane === void 0 ? throwIfMissing() : _options$zoomPane,\n        _options$sourceAttrib = options.sourceAttribute,\n        sourceAttribute = _options$sourceAttrib === void 0 ? throwIfMissing() : _options$sourceAttrib,\n        _options$handleTouch = options.handleTouch,\n        handleTouch = _options$handleTouch === void 0 ? throwIfMissing() : _options$handleTouch,\n        _options$onShow = options.onShow,\n        onShow = _options$onShow === void 0 ? null : _options$onShow,\n        _options$onHide = options.onHide,\n        onHide = _options$onHide === void 0 ? null : _options$onHide,\n        _options$hoverDelay = options.hoverDelay,\n        hoverDelay = _options$hoverDelay === void 0 ? 0 : _options$hoverDelay,\n        _options$touchDelay = options.touchDelay,\n        touchDelay = _options$touchDelay === void 0 ? 0 : _options$touchDelay,\n        _options$hoverBoundin = options.hoverBoundingBox,\n        hoverBoundingBox = _options$hoverBoundin === void 0 ? throwIfMissing() : _options$hoverBoundin,\n        _options$touchBoundin = options.touchBoundingBox,\n        touchBoundingBox = _options$touchBoundin === void 0 ? throwIfMissing() : _options$touchBoundin,\n        _options$namespace = options.namespace,\n        namespace = _options$namespace === void 0 ? null : _options$namespace,\n        _options$zoomFactor = options.zoomFactor,\n        zoomFactor = _options$zoomFactor === void 0 ? throwIfMissing() : _options$zoomFactor,\n        _options$boundingBoxC = options.boundingBoxContainer,\n        boundingBoxContainer = _options$boundingBoxC === void 0 ? throwIfMissing() : _options$boundingBoxC;\n    this.settings = {\n      el: el,\n      zoomPane: zoomPane,\n      sourceAttribute: sourceAttribute,\n      handleTouch: handleTouch,\n      onShow: onShow,\n      onHide: onHide,\n      hoverDelay: hoverDelay,\n      touchDelay: touchDelay,\n      hoverBoundingBox: hoverBoundingBox,\n      touchBoundingBox: touchBoundingBox,\n      namespace: namespace,\n      zoomFactor: zoomFactor,\n      boundingBoxContainer: boundingBoxContainer\n    };\n\n    if (this.settings.hoverBoundingBox || this.settings.touchBoundingBox) {\n      this.boundingBox = new BoundingBox({\n        namespace: this.settings.namespace,\n        zoomFactor: this.settings.zoomFactor,\n        containerEl: this.settings.boundingBoxContainer\n      });\n    }\n\n    this.enabled = true;\n\n    this._bindEvents();\n  }\n\n  _createClass(Trigger, [{\n    key: \"_preventDefault\",\n    value: function _preventDefault(event) {\n      event.preventDefault();\n    }\n  }, {\n    key: \"_preventDefaultAllowTouchScroll\",\n    value: function _preventDefaultAllowTouchScroll(event) {\n      if (!this.settings.touchDelay || !this._isTouchEvent(event) || this.isShowing) {\n        event.preventDefault();\n      }\n    }\n  }, {\n    key: \"_isTouchEvent\",\n    value: function _isTouchEvent(event) {\n      return !!event.touches;\n    }\n  }, {\n    key: \"_bindEvents\",\n    value: function _bindEvents() {\n      this.settings.el.addEventListener(\"mouseenter\", this._handleEntry, false);\n      this.settings.el.addEventListener(\"mouseleave\", this._hide, false);\n      this.settings.el.addEventListener(\"mousemove\", this._handleMovement, false);\n\n      if (this.settings.handleTouch) {\n        this.settings.el.addEventListener(\"touchstart\", this._handleEntry, false);\n        this.settings.el.addEventListener(\"touchend\", this._hide, false);\n        this.settings.el.addEventListener(\"touchmove\", this._handleMovement, false);\n      } else {\n        this.settings.el.addEventListener(\"touchstart\", this._preventDefault, false);\n        this.settings.el.addEventListener(\"touchend\", this._preventDefault, false);\n        this.settings.el.addEventListener(\"touchmove\", this._preventDefault, false);\n      }\n    }\n  }, {\n    key: \"_unbindEvents\",\n    value: function _unbindEvents() {\n      this.settings.el.removeEventListener(\"mouseenter\", this._handleEntry, false);\n      this.settings.el.removeEventListener(\"mouseleave\", this._hide, false);\n      this.settings.el.removeEventListener(\"mousemove\", this._handleMovement, false);\n\n      if (this.settings.handleTouch) {\n        this.settings.el.removeEventListener(\"touchstart\", this._handleEntry, false);\n        this.settings.el.removeEventListener(\"touchend\", this._hide, false);\n        this.settings.el.removeEventListener(\"touchmove\", this._handleMovement, false);\n      } else {\n        this.settings.el.removeEventListener(\"touchstart\", this._preventDefault, false);\n        this.settings.el.removeEventListener(\"touchend\", this._preventDefault, false);\n        this.settings.el.removeEventListener(\"touchmove\", this._preventDefault, false);\n      }\n    }\n  }, {\n    key: \"_handleEntry\",\n    value: function _handleEntry(e) {\n      this._preventDefaultAllowTouchScroll(e);\n\n      this._lastMovement = e;\n\n      if (e.type == \"mouseenter\" && this.settings.hoverDelay) {\n        this.entryTimeout = setTimeout(this._show, this.settings.hoverDelay);\n      } else if (this.settings.touchDelay) {\n        this.entryTimeout = setTimeout(this._show, this.settings.touchDelay);\n      } else {\n        this._show();\n      }\n    }\n  }, {\n    key: \"_show\",\n    value: function _show() {\n      if (!this.enabled) {\n        return;\n      }\n\n      var onShow = this.settings.onShow;\n\n      if (onShow && typeof onShow === \"function\") {\n        onShow();\n      }\n\n      this.settings.zoomPane.show(this.settings.el.getAttribute(this.settings.sourceAttribute), this.settings.el.clientWidth, this.settings.el.clientHeight);\n\n      if (this._lastMovement) {\n        var touchActivated = this._lastMovement.touches;\n\n        if (touchActivated && this.settings.touchBoundingBox || !touchActivated && this.settings.hoverBoundingBox) {\n          this.boundingBox.show(this.settings.zoomPane.el.clientWidth, this.settings.zoomPane.el.clientHeight);\n        }\n      }\n\n      this._handleMovement();\n    }\n  }, {\n    key: \"_hide\",\n    value: function _hide(e) {\n      if (e) {\n        this._preventDefaultAllowTouchScroll(e);\n      }\n\n      this._lastMovement = null;\n\n      if (this.entryTimeout) {\n        clearTimeout(this.entryTimeout);\n      }\n\n      if (this.boundingBox) {\n        this.boundingBox.hide();\n      }\n\n      var onHide = this.settings.onHide;\n\n      if (onHide && typeof onHide === \"function\") {\n        onHide();\n      }\n\n      this.settings.zoomPane.hide();\n    }\n  }, {\n    key: \"_handleMovement\",\n    value: function _handleMovement(e) {\n      if (e) {\n        this._preventDefaultAllowTouchScroll(e);\n\n        this._lastMovement = e;\n      } else if (this._lastMovement) {\n        e = this._lastMovement;\n      } else {\n        return;\n      }\n\n      var movementX;\n      var movementY;\n\n      if (e.touches) {\n        var firstTouch = e.touches[0];\n        movementX = firstTouch.clientX;\n        movementY = firstTouch.clientY;\n      } else {\n        movementX = e.clientX;\n        movementY = e.clientY;\n      }\n\n      var el = this.settings.el;\n      var rect = el.getBoundingClientRect();\n      var offsetX = movementX - rect.left;\n      var offsetY = movementY - rect.top;\n      var percentageOffsetX = offsetX / this.settings.el.clientWidth;\n      var percentageOffsetY = offsetY / this.settings.el.clientHeight;\n\n      if (this.boundingBox) {\n        this.boundingBox.setPosition(percentageOffsetX, percentageOffsetY, rect);\n      }\n\n      this.settings.zoomPane.setPosition(percentageOffsetX, percentageOffsetY, rect);\n    }\n  }, {\n    key: \"isShowing\",\n    get: function get() {\n      return this.settings.zoomPane.isShowing;\n    }\n  }]);\n\n  return Trigger;\n}();\n\nexport { Trigger as default };\n//# sourceMappingURL=Trigger.js.map","function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError(\"Cannot call a class as a function\"); } }\n\nfunction _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if (\"value\" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }\n\nfunction _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }\n\nimport throwIfMissing from \"./util/throwIfMissing\";\nimport { addClasses, removeClasses } from \"./util/dom\";\n\nvar ZoomPane = /*#__PURE__*/function () {\n  function ZoomPane() {\n    var options = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};\n\n    _classCallCheck(this, ZoomPane);\n\n    // All officially-supported browsers have this, but it's easy to\n    // account for, just in case.\n    this.HAS_ANIMATION = false;\n\n    if (typeof document !== \"undefined\") {\n      var divStyle = document.createElement(\"div\").style;\n      this.HAS_ANIMATION = \"animation\" in divStyle || \"webkitAnimation\" in divStyle;\n    }\n\n    this._completeShow = this._completeShow.bind(this);\n    this._completeHide = this._completeHide.bind(this);\n    this._handleLoad = this._handleLoad.bind(this);\n    this.isShowing = false;\n    var _options$container = options.container,\n        container = _options$container === void 0 ? null : _options$container,\n        _options$zoomFactor = options.zoomFactor,\n        zoomFactor = _options$zoomFactor === void 0 ? throwIfMissing() : _options$zoomFactor,\n        _options$inline = options.inline,\n        inline = _options$inline === void 0 ? throwIfMissing() : _options$inline,\n        _options$namespace = options.namespace,\n        namespace = _options$namespace === void 0 ? null : _options$namespace,\n        _options$showWhitespa = options.showWhitespaceAtEdges,\n        showWhitespaceAtEdges = _options$showWhitespa === void 0 ? throwIfMissing() : _options$showWhitespa,\n        _options$containInlin = options.containInline,\n        containInline = _options$containInlin === void 0 ? throwIfMissing() : _options$containInlin,\n        _options$inlineOffset = options.inlineOffsetX,\n        inlineOffsetX = _options$inlineOffset === void 0 ? 0 : _options$inlineOffset,\n        _options$inlineOffset2 = options.inlineOffsetY,\n        inlineOffsetY = _options$inlineOffset2 === void 0 ? 0 : _options$inlineOffset2,\n        _options$inlineContai = options.inlineContainer,\n        inlineContainer = _options$inlineContai === void 0 ? document.body : _options$inlineContai;\n    this.settings = {\n      container: container,\n      zoomFactor: zoomFactor,\n      inline: inline,\n      namespace: namespace,\n      showWhitespaceAtEdges: showWhitespaceAtEdges,\n      containInline: containInline,\n      inlineOffsetX: inlineOffsetX,\n      inlineOffsetY: inlineOffsetY,\n      inlineContainer: inlineContainer\n    };\n    this.openClasses = this._buildClasses(\"open\");\n    this.openingClasses = this._buildClasses(\"opening\");\n    this.closingClasses = this._buildClasses(\"closing\");\n    this.inlineClasses = this._buildClasses(\"inline\");\n    this.loadingClasses = this._buildClasses(\"loading\");\n\n    this._buildElement();\n  }\n\n  _createClass(ZoomPane, [{\n    key: \"_buildClasses\",\n    value: function _buildClasses(suffix) {\n      var classes = [\"drift-\".concat(suffix)];\n      var ns = this.settings.namespace;\n\n      if (ns) {\n        classes.push(\"\".concat(ns, \"-\").concat(suffix));\n      }\n\n      return classes;\n    }\n  }, {\n    key: \"_buildElement\",\n    value: function _buildElement() {\n      this.el = document.createElement(\"div\");\n      addClasses(this.el, this._buildClasses(\"zoom-pane\"));\n      var loaderEl = document.createElement(\"div\");\n      addClasses(loaderEl, this._buildClasses(\"zoom-pane-loader\"));\n      this.el.appendChild(loaderEl);\n      this.imgEl = document.createElement(\"img\");\n      this.el.appendChild(this.imgEl);\n    }\n  }, {\n    key: \"_setImageURL\",\n    value: function _setImageURL(imageURL) {\n      this.imgEl.setAttribute(\"src\", imageURL);\n    }\n  }, {\n    key: \"_setImageSize\",\n    value: function _setImageSize(triggerWidth, triggerHeight) {\n      this.imgEl.style.width = \"\".concat(triggerWidth * this.settings.zoomFactor, \"px\");\n      this.imgEl.style.height = \"\".concat(triggerHeight * this.settings.zoomFactor, \"px\");\n    } // `percentageOffsetX` and `percentageOffsetY` must be percentages\n    // expressed as floats between `0' and `1`.\n\n  }, {\n    key: \"setPosition\",\n    value: function setPosition(percentageOffsetX, percentageOffsetY, triggerRect) {\n      var imgElWidth = this.imgEl.offsetWidth;\n      var imgElHeight = this.imgEl.offsetHeight;\n      var elWidth = this.el.offsetWidth;\n      var elHeight = this.el.offsetHeight;\n      var centreOfContainerX = elWidth / 2;\n      var centreOfContainerY = elHeight / 2;\n      var targetImgXToBeCentre = imgElWidth * percentageOffsetX;\n      var targetImgYToBeCentre = imgElHeight * percentageOffsetY;\n      var left = centreOfContainerX - targetImgXToBeCentre;\n      var top = centreOfContainerY - targetImgYToBeCentre;\n      var differenceBetweenContainerWidthAndImgWidth = elWidth - imgElWidth;\n      var differenceBetweenContainerHeightAndImgHeight = elHeight - imgElHeight;\n      var isContainerLargerThanImgX = differenceBetweenContainerWidthAndImgWidth > 0;\n      var isContainerLargerThanImgY = differenceBetweenContainerHeightAndImgHeight > 0;\n      var minLeft = isContainerLargerThanImgX ? differenceBetweenContainerWidthAndImgWidth / 2 : 0;\n      var minTop = isContainerLargerThanImgY ? differenceBetweenContainerHeightAndImgHeight / 2 : 0;\n      var maxLeft = isContainerLargerThanImgX ? differenceBetweenContainerWidthAndImgWidth / 2 : differenceBetweenContainerWidthAndImgWidth;\n      var maxTop = isContainerLargerThanImgY ? differenceBetweenContainerHeightAndImgHeight / 2 : differenceBetweenContainerHeightAndImgHeight;\n\n      if (this.el.parentElement === this.settings.inlineContainer) {\n        // This may be needed in the future to deal with browser event\n        // inconsistencies, but it's difficult to tell for sure.\n        // let scrollX = isTouch ? 0 : window.scrollX;\n        // let scrollY = isTouch ? 0 : window.scrollY;\n        var scrollX = window.pageXOffset;\n        var scrollY = window.pageYOffset;\n        var inlineLeft = triggerRect.left + percentageOffsetX * triggerRect.width - elWidth / 2 + this.settings.inlineOffsetX + scrollX;\n        var inlineTop = triggerRect.top + percentageOffsetY * triggerRect.height - elHeight / 2 + this.settings.inlineOffsetY + scrollY;\n\n        if (this.settings.containInline) {\n          if (inlineLeft < triggerRect.left + scrollX) {\n            inlineLeft = triggerRect.left + scrollX;\n          } else if (inlineLeft + elWidth > triggerRect.left + triggerRect.width + scrollX) {\n            inlineLeft = triggerRect.left + triggerRect.width - elWidth + scrollX;\n          }\n\n          if (inlineTop < triggerRect.top + scrollY) {\n            inlineTop = triggerRect.top + scrollY;\n          } else if (inlineTop + elHeight > triggerRect.top + triggerRect.height + scrollY) {\n            inlineTop = triggerRect.top + triggerRect.height - elHeight + scrollY;\n          }\n        }\n\n        this.el.style.left = \"\".concat(inlineLeft, \"px\");\n        this.el.style.top = \"\".concat(inlineTop, \"px\");\n      }\n\n      if (!this.settings.showWhitespaceAtEdges) {\n        if (left > minLeft) {\n          left = minLeft;\n        } else if (left < maxLeft) {\n          left = maxLeft;\n        }\n\n        if (top > minTop) {\n          top = minTop;\n        } else if (top < maxTop) {\n          top = maxTop;\n        }\n      }\n\n      this.imgEl.style.transform = \"translate(\".concat(left, \"px, \").concat(top, \"px)\");\n      this.imgEl.style.webkitTransform = \"translate(\".concat(left, \"px, \").concat(top, \"px)\");\n    }\n  }, {\n    key: \"_removeListenersAndResetClasses\",\n    value: function _removeListenersAndResetClasses() {\n      this.el.removeEventListener(\"animationend\", this._completeShow, false);\n      this.el.removeEventListener(\"animationend\", this._completeHide, false);\n      this.el.removeEventListener(\"webkitAnimationEnd\", this._completeShow, false);\n      this.el.removeEventListener(\"webkitAnimationEnd\", this._completeHide, false);\n      removeClasses(this.el, this.openClasses);\n      removeClasses(this.el, this.closingClasses);\n    }\n  }, {\n    key: \"show\",\n    value: function show(imageURL, triggerWidth, triggerHeight) {\n      this._removeListenersAndResetClasses();\n\n      this.isShowing = true;\n      addClasses(this.el, this.openClasses);\n\n      if (this.imgEl.getAttribute(\"src\") != imageURL) {\n        addClasses(this.el, this.loadingClasses);\n        this.imgEl.addEventListener(\"load\", this._handleLoad, false);\n\n        this._setImageURL(imageURL);\n      }\n\n      this._setImageSize(triggerWidth, triggerHeight);\n\n      if (this._isInline) {\n        this._showInline();\n      } else {\n        this._showInContainer();\n      }\n\n      if (this.HAS_ANIMATION) {\n        this.el.addEventListener(\"animationend\", this._completeShow, false);\n        this.el.addEventListener(\"webkitAnimationEnd\", this._completeShow, false);\n        addClasses(this.el, this.openingClasses);\n      }\n    }\n  }, {\n    key: \"_showInline\",\n    value: function _showInline() {\n      this.settings.inlineContainer.appendChild(this.el);\n      addClasses(this.el, this.inlineClasses);\n    }\n  }, {\n    key: \"_showInContainer\",\n    value: function _showInContainer() {\n      this.settings.container.appendChild(this.el);\n    }\n  }, {\n    key: \"hide\",\n    value: function hide() {\n      this._removeListenersAndResetClasses();\n\n      this.isShowing = false;\n\n      if (this.HAS_ANIMATION) {\n        this.el.addEventListener(\"animationend\", this._completeHide, false);\n        this.el.addEventListener(\"webkitAnimationEnd\", this._completeHide, false);\n        addClasses(this.el, this.closingClasses);\n      } else {\n        removeClasses(this.el, this.openClasses);\n        removeClasses(this.el, this.inlineClasses);\n      }\n    }\n  }, {\n    key: \"_completeShow\",\n    value: function _completeShow() {\n      this.el.removeEventListener(\"animationend\", this._completeShow, false);\n      this.el.removeEventListener(\"webkitAnimationEnd\", this._completeShow, false);\n      removeClasses(this.el, this.openingClasses);\n    }\n  }, {\n    key: \"_completeHide\",\n    value: function _completeHide() {\n      this.el.removeEventListener(\"animationend\", this._completeHide, false);\n      this.el.removeEventListener(\"webkitAnimationEnd\", this._completeHide, false);\n      removeClasses(this.el, this.openClasses);\n      removeClasses(this.el, this.closingClasses);\n      removeClasses(this.el, this.inlineClasses);\n      this.el.style.left = \"\";\n      this.el.style.top = \"\"; // The window could have been resized above or below `inline`\n      // limits since the ZoomPane was shown. Because of this, we\n      // can't rely on `this._isInline` here.\n\n      if (this.el.parentElement === this.settings.container) {\n        this.settings.container.removeChild(this.el);\n      } else if (this.el.parentElement === this.settings.inlineContainer) {\n        this.settings.inlineContainer.removeChild(this.el);\n      }\n    }\n  }, {\n    key: \"_handleLoad\",\n    value: function _handleLoad() {\n      this.imgEl.removeEventListener(\"load\", this._handleLoad, false);\n      removeClasses(this.el, this.loadingClasses);\n    }\n  }, {\n    key: \"_isInline\",\n    get: function get() {\n      var inline = this.settings.inline;\n      return inline === true || typeof inline === \"number\" && window.innerWidth <= inline;\n    }\n  }]);\n\n  return ZoomPane;\n}();\n\nexport { ZoomPane as default };\n//# sourceMappingURL=ZoomPane.js.map","/* UNMINIFIED RULES\n\nconst RULES = `\n@keyframes noop {\n  0% { zoom: 1; }\n}\n\n@-webkit-keyframes noop {\n  0% { zoom: 1; }\n}\n\n.drift-zoom-pane.drift-open {\n  display: block;\n}\n\n.drift-zoom-pane.drift-opening, .drift-zoom-pane.drift-closing {\n  animation: noop 1ms;\n  -webkit-animation: noop 1ms;\n}\n\n.drift-zoom-pane {\n  position: absolute;\n  overflow: hidden;\n  width: 100%;\n  height: 100%;\n  top: 0;\n  left: 0;\n  pointer-events: none;\n}\n\n.drift-zoom-pane-loader {\n  display: none;\n}\n\n.drift-zoom-pane img {\n  position: absolute;\n  display: block;\n  max-width: none;\n  max-height: none;\n}\n\n.drift-bounding-box {\n  position: absolute;\n  pointer-events: none;\n}\n`;\n\n*/\nvar RULES = \".drift-bounding-box,.drift-zoom-pane{position:absolute;pointer-events:none}@keyframes noop{0%{zoom:1}}@-webkit-keyframes noop{0%{zoom:1}}.drift-zoom-pane.drift-open{display:block}.drift-zoom-pane.drift-closing,.drift-zoom-pane.drift-opening{animation:noop 1ms;-webkit-animation:noop 1ms}.drift-zoom-pane{overflow:hidden;width:100%;height:100%;top:0;left:0}.drift-zoom-pane-loader{display:none}.drift-zoom-pane img{position:absolute;display:block;max-width:none;max-height:none}\";\nexport default function injectBaseStylesheet() {\n  if (document.querySelector(\".drift-base-styles\")) {\n    return;\n  }\n\n  var styleEl = document.createElement(\"style\");\n  styleEl.type = \"text/css\";\n  styleEl.classList.add(\"drift-base-styles\");\n  styleEl.appendChild(document.createTextNode(RULES));\n  var head = document.head;\n  head.insertBefore(styleEl, head.firstChild);\n}\n//# sourceMappingURL=injectBaseStylesheet.js.map","function _typeof(obj) { \"@babel/helpers - typeof\"; if (typeof Symbol === \"function\" && typeof Symbol.iterator === \"symbol\") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === \"function\" && obj.constructor === Symbol && obj !== Symbol.prototype ? \"symbol\" : typeof obj; }; } return _typeof(obj); }\n\n// This is not really a perfect check, but works fine.\n// From http://stackoverflow.com/questions/384286\nvar HAS_DOM_2 = (typeof HTMLElement === \"undefined\" ? \"undefined\" : _typeof(HTMLElement)) === \"object\";\nexport function isDOMElement(obj) {\n  return HAS_DOM_2 ? obj instanceof HTMLElement : obj && _typeof(obj) === \"object\" && obj !== null && obj.nodeType === 1 && typeof obj.nodeName === \"string\";\n}\nexport function addClasses(el, classNames) {\n  classNames.forEach(function (className) {\n    el.classList.add(className);\n  });\n}\nexport function removeClasses(el, classNames) {\n  classNames.forEach(function (className) {\n    el.classList.remove(className);\n  });\n}\n//# sourceMappingURL=dom.js.map","export default function throwIfMissing() {\n  throw new Error(\"Missing parameter\");\n}\n//# sourceMappingURL=throwIfMissing.js.map","/*! PhotoSwipe Default UI - 4.1.3 - 2019-01-08\n* http://photoswipe.com\n* Copyright (c) 2019 Dmitry Semenov; */\n/**\n*\n* UI on top of main sliding area (caption, arrows, close button, etc.).\n* Built just using public methods/properties of PhotoSwipe.\n* \n*/\n(function (root, factory) { \n\tif (typeof define === 'function' && define.amd) {\n\t\tdefine(factory);\n\t} else if (typeof exports === 'object') {\n\t\tmodule.exports = factory();\n\t} else {\n\t\troot.PhotoSwipeUI_Default = factory();\n\t}\n})(this, function () {\n\n\t'use strict';\n\n\n\nvar PhotoSwipeUI_Default =\n function(pswp, framework) {\n\n\tvar ui = this;\n\tvar _overlayUIUpdated = false,\n\t\t_controlsVisible = true,\n\t\t_fullscrenAPI,\n\t\t_controls,\n\t\t_captionContainer,\n\t\t_fakeCaptionContainer,\n\t\t_indexIndicator,\n\t\t_shareButton,\n\t\t_shareModal,\n\t\t_shareModalHidden = true,\n\t\t_initalCloseOnScrollValue,\n\t\t_isIdle,\n\t\t_listen,\n\n\t\t_loadingIndicator,\n\t\t_loadingIndicatorHidden,\n\t\t_loadingIndicatorTimeout,\n\n\t\t_galleryHasOneSlide,\n\n\t\t_options,\n\t\t_defaultUIOptions = {\n\t\t\tbarsSize: {top:44, bottom:'auto'},\n\t\t\tcloseElClasses: ['item', 'caption', 'zoom-wrap', 'ui', 'top-bar'], \n\t\t\ttimeToIdle: 4000, \n\t\t\ttimeToIdleOutside: 1000,\n\t\t\tloadingIndicatorDelay: 1000, // 2s\n\t\t\t\n\t\t\taddCaptionHTMLFn: function(item, captionEl /*, isFake */) {\n\t\t\t\tif(!item.title) {\n\t\t\t\t\tcaptionEl.children[0].innerHTML = '';\n\t\t\t\t\treturn false;\n\t\t\t\t}\n\t\t\t\tcaptionEl.children[0].innerHTML = item.title;\n\t\t\t\treturn true;\n\t\t\t},\n\n\t\t\tcloseEl:true,\n\t\t\tcaptionEl: true,\n\t\t\tfullscreenEl: true,\n\t\t\tzoomEl: true,\n\t\t\tshareEl: true,\n\t\t\tcounterEl: true,\n\t\t\tarrowEl: true,\n\t\t\tpreloaderEl: true,\n\n\t\t\ttapToClose: false,\n\t\t\ttapToToggleControls: true,\n\n\t\t\tclickToCloseNonZoomable: true,\n\n\t\t\tshareButtons: [\n\t\t\t\t{id:'facebook', label:'Share on Facebook', url:'https://www.facebook.com/sharer/sharer.php?u={{url}}'},\n\t\t\t\t{id:'twitter', label:'Tweet', url:'https://twitter.com/intent/tweet?text={{text}}&url={{url}}'},\n\t\t\t\t{id:'pinterest', label:'Pin it', url:'http://www.pinterest.com/pin/create/button/'+\n\t\t\t\t\t\t\t\t\t\t\t\t\t'?url={{url}}&media={{image_url}}&description={{text}}'},\n\t\t\t\t{id:'download', label:'Download image', url:'{{raw_image_url}}', download:true}\n\t\t\t],\n\t\t\tgetImageURLForShare: function( /* shareButtonData */ ) {\n\t\t\t\treturn pswp.currItem.src || '';\n\t\t\t},\n\t\t\tgetPageURLForShare: function( /* shareButtonData */ ) {\n\t\t\t\treturn window.location.href;\n\t\t\t},\n\t\t\tgetTextForShare: function( /* shareButtonData */ ) {\n\t\t\t\treturn pswp.currItem.title || '';\n\t\t\t},\n\t\t\t\t\n\t\t\tindexIndicatorSep: ' / ',\n\t\t\tfitControlsWidth: 1200\n\n\t\t},\n\t\t_blockControlsTap,\n\t\t_blockControlsTapTimeout;\n\n\n\n\tvar _onControlsTap = function(e) {\n\t\t\tif(_blockControlsTap) {\n\t\t\t\treturn true;\n\t\t\t}\n\n\n\t\t\te = e || window.event;\n\n\t\t\tif(_options.timeToIdle && _options.mouseUsed && !_isIdle) {\n\t\t\t\t// reset idle timer\n\t\t\t\t_onIdleMouseMove();\n\t\t\t}\n\n\n\t\t\tvar target = e.target || e.srcElement,\n\t\t\t\tuiElement,\n\t\t\t\tclickedClass = target.getAttribute('class') || '',\n\t\t\t\tfound;\n\n\t\t\tfor(var i = 0; i < _uiElements.length; i++) {\n\t\t\t\tuiElement = _uiElements[i];\n\t\t\t\tif(uiElement.onTap && clickedClass.indexOf('pswp__' + uiElement.name ) > -1 ) {\n\t\t\t\t\tuiElement.onTap();\n\t\t\t\t\tfound = true;\n\n\t\t\t\t}\n\t\t\t}\n\n\t\t\tif(found) {\n\t\t\t\tif(e.stopPropagation) {\n\t\t\t\t\te.stopPropagation();\n\t\t\t\t}\n\t\t\t\t_blockControlsTap = true;\n\n\t\t\t\t// Some versions of Android don't prevent ghost click event \n\t\t\t\t// when preventDefault() was called on touchstart and/or touchend.\n\t\t\t\t// \n\t\t\t\t// This happens on v4.3, 4.2, 4.1, \n\t\t\t\t// older versions strangely work correctly, \n\t\t\t\t// but just in case we add delay on all of them)\t\n\t\t\t\tvar tapDelay = framework.features.isOldAndroid ? 600 : 30;\n\t\t\t\t_blockControlsTapTimeout = setTimeout(function() {\n\t\t\t\t\t_blockControlsTap = false;\n\t\t\t\t}, tapDelay);\n\t\t\t}\n\n\t\t},\n\t\t_fitControlsInViewport = function() {\n\t\t\treturn !pswp.likelyTouchDevice || _options.mouseUsed || screen.width > _options.fitControlsWidth;\n\t\t},\n\t\t_togglePswpClass = function(el, cName, add) {\n\t\t\tframework[ (add ? 'add' : 'remove') + 'Class' ](el, 'pswp__' + cName);\n\t\t},\n\n\t\t// add class when there is just one item in the gallery\n\t\t// (by default it hides left/right arrows and 1ofX counter)\n\t\t_countNumItems = function() {\n\t\t\tvar hasOneSlide = (_options.getNumItemsFn() === 1);\n\n\t\t\tif(hasOneSlide !== _galleryHasOneSlide) {\n\t\t\t\t_togglePswpClass(_controls, 'ui--one-slide', hasOneSlide);\n\t\t\t\t_galleryHasOneSlide = hasOneSlide;\n\t\t\t}\n\t\t},\n\t\t_toggleShareModalClass = function() {\n\t\t\t_togglePswpClass(_shareModal, 'share-modal--hidden', _shareModalHidden);\n\t\t},\n\t\t_toggleShareModal = function() {\n\n\t\t\t_shareModalHidden = !_shareModalHidden;\n\t\t\t\n\t\t\t\n\t\t\tif(!_shareModalHidden) {\n\t\t\t\t_toggleShareModalClass();\n\t\t\t\tsetTimeout(function() {\n\t\t\t\t\tif(!_shareModalHidden) {\n\t\t\t\t\t\tframework.addClass(_shareModal, 'pswp__share-modal--fade-in');\n\t\t\t\t\t}\n\t\t\t\t}, 30);\n\t\t\t} else {\n\t\t\t\tframework.removeClass(_shareModal, 'pswp__share-modal--fade-in');\n\t\t\t\tsetTimeout(function() {\n\t\t\t\t\tif(_shareModalHidden) {\n\t\t\t\t\t\t_toggleShareModalClass();\n\t\t\t\t\t}\n\t\t\t\t}, 300);\n\t\t\t}\n\t\t\t\n\t\t\tif(!_shareModalHidden) {\n\t\t\t\t_updateShareURLs();\n\t\t\t}\n\t\t\treturn false;\n\t\t},\n\n\t\t_openWindowPopup = function(e) {\n\t\t\te = e || window.event;\n\t\t\tvar target = e.target || e.srcElement;\n\n\t\t\tpswp.shout('shareLinkClick', e, target);\n\n\t\t\tif(!target.href) {\n\t\t\t\treturn false;\n\t\t\t}\n\n\t\t\tif( target.hasAttribute('download') ) {\n\t\t\t\treturn true;\n\t\t\t}\n\n\t\t\twindow.open(target.href, 'pswp_share', 'scrollbars=yes,resizable=yes,toolbar=no,'+\n\t\t\t\t\t\t\t\t\t\t'location=yes,width=550,height=420,top=100,left=' + \n\t\t\t\t\t\t\t\t\t\t(window.screen ? Math.round(screen.width / 2 - 275) : 100)  );\n\n\t\t\tif(!_shareModalHidden) {\n\t\t\t\t_toggleShareModal();\n\t\t\t}\n\t\t\t\n\t\t\treturn false;\n\t\t},\n\t\t_updateShareURLs = function() {\n\t\t\tvar shareButtonOut = '',\n\t\t\t\tshareButtonData,\n\t\t\t\tshareURL,\n\t\t\t\timage_url,\n\t\t\t\tpage_url,\n\t\t\t\tshare_text;\n\n\t\t\tfor(var i = 0; i < _options.shareButtons.length; i++) {\n\t\t\t\tshareButtonData = _options.shareButtons[i];\n\n\t\t\t\timage_url = _options.getImageURLForShare(shareButtonData);\n\t\t\t\tpage_url = _options.getPageURLForShare(shareButtonData);\n\t\t\t\tshare_text = _options.getTextForShare(shareButtonData);\n\n\t\t\t\tshareURL = shareButtonData.url.replace('{{url}}', encodeURIComponent(page_url) )\n\t\t\t\t\t\t\t\t\t.replace('{{image_url}}', encodeURIComponent(image_url) )\n\t\t\t\t\t\t\t\t\t.replace('{{raw_image_url}}', image_url )\n\t\t\t\t\t\t\t\t\t.replace('{{text}}', encodeURIComponent(share_text) );\n\n\t\t\t\tshareButtonOut += '<a href=\"' + shareURL + '\" target=\"_blank\" '+\n\t\t\t\t\t\t\t\t\t'class=\"pswp__share--' + shareButtonData.id + '\"' +\n\t\t\t\t\t\t\t\t\t(shareButtonData.download ? 'download' : '') + '>' + \n\t\t\t\t\t\t\t\t\tshareButtonData.label + '</a>';\n\n\t\t\t\tif(_options.parseShareButtonOut) {\n\t\t\t\t\tshareButtonOut = _options.parseShareButtonOut(shareButtonData, shareButtonOut);\n\t\t\t\t}\n\t\t\t}\n\t\t\t_shareModal.children[0].innerHTML = shareButtonOut;\n\t\t\t_shareModal.children[0].onclick = _openWindowPopup;\n\n\t\t},\n\t\t_hasCloseClass = function(target) {\n\t\t\tfor(var  i = 0; i < _options.closeElClasses.length; i++) {\n\t\t\t\tif( framework.hasClass(target, 'pswp__' + _options.closeElClasses[i]) ) {\n\t\t\t\t\treturn true;\n\t\t\t\t}\n\t\t\t}\n\t\t},\n\t\t_idleInterval,\n\t\t_idleTimer,\n\t\t_idleIncrement = 0,\n\t\t_onIdleMouseMove = function() {\n\t\t\tclearTimeout(_idleTimer);\n\t\t\t_idleIncrement = 0;\n\t\t\tif(_isIdle) {\n\t\t\t\tui.setIdle(false);\n\t\t\t}\n\t\t},\n\t\t_onMouseLeaveWindow = function(e) {\n\t\t\te = e ? e : window.event;\n\t\t\tvar from = e.relatedTarget || e.toElement;\n\t\t\tif (!from || from.nodeName === 'HTML') {\n\t\t\t\tclearTimeout(_idleTimer);\n\t\t\t\t_idleTimer = setTimeout(function() {\n\t\t\t\t\tui.setIdle(true);\n\t\t\t\t}, _options.timeToIdleOutside);\n\t\t\t}\n\t\t},\n\t\t_setupFullscreenAPI = function() {\n\t\t\tif(_options.fullscreenEl && !framework.features.isOldAndroid) {\n\t\t\t\tif(!_fullscrenAPI) {\n\t\t\t\t\t_fullscrenAPI = ui.getFullscreenAPI();\n\t\t\t\t}\n\t\t\t\tif(_fullscrenAPI) {\n\t\t\t\t\tframework.bind(document, _fullscrenAPI.eventK, ui.updateFullscreen);\n\t\t\t\t\tui.updateFullscreen();\n\t\t\t\t\tframework.addClass(pswp.template, 'pswp--supports-fs');\n\t\t\t\t} else {\n\t\t\t\t\tframework.removeClass(pswp.template, 'pswp--supports-fs');\n\t\t\t\t}\n\t\t\t}\n\t\t},\n\t\t_setupLoadingIndicator = function() {\n\t\t\t// Setup loading indicator\n\t\t\tif(_options.preloaderEl) {\n\t\t\t\n\t\t\t\t_toggleLoadingIndicator(true);\n\n\t\t\t\t_listen('beforeChange', function() {\n\n\t\t\t\t\tclearTimeout(_loadingIndicatorTimeout);\n\n\t\t\t\t\t// display loading indicator with delay\n\t\t\t\t\t_loadingIndicatorTimeout = setTimeout(function() {\n\n\t\t\t\t\t\tif(pswp.currItem && pswp.currItem.loading) {\n\n\t\t\t\t\t\t\tif( !pswp.allowProgressiveImg() || (pswp.currItem.img && !pswp.currItem.img.naturalWidth)  ) {\n\t\t\t\t\t\t\t\t// show preloader if progressive loading is not enabled, \n\t\t\t\t\t\t\t\t// or image width is not defined yet (because of slow connection)\n\t\t\t\t\t\t\t\t_toggleLoadingIndicator(false); \n\t\t\t\t\t\t\t\t// items-controller.js function allowProgressiveImg\n\t\t\t\t\t\t\t}\n\t\t\t\t\t\t\t\n\t\t\t\t\t\t} else {\n\t\t\t\t\t\t\t_toggleLoadingIndicator(true); // hide preloader\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}, _options.loadingIndicatorDelay);\n\t\t\t\t\t\n\t\t\t\t});\n\t\t\t\t_listen('imageLoadComplete', function(index, item) {\n\t\t\t\t\tif(pswp.currItem === item) {\n\t\t\t\t\t\t_toggleLoadingIndicator(true);\n\t\t\t\t\t}\n\t\t\t\t});\n\n\t\t\t}\n\t\t},\n\t\t_toggleLoadingIndicator = function(hide) {\n\t\t\tif( _loadingIndicatorHidden !== hide ) {\n\t\t\t\t_togglePswpClass(_loadingIndicator, 'preloader--active', !hide);\n\t\t\t\t_loadingIndicatorHidden = hide;\n\t\t\t}\n\t\t},\n\t\t_applyNavBarGaps = function(item) {\n\t\t\tvar gap = item.vGap;\n\n\t\t\tif( _fitControlsInViewport() ) {\n\t\t\t\t\n\t\t\t\tvar bars = _options.barsSize; \n\t\t\t\tif(_options.captionEl && bars.bottom === 'auto') {\n\t\t\t\t\tif(!_fakeCaptionContainer) {\n\t\t\t\t\t\t_fakeCaptionContainer = framework.createEl('pswp__caption pswp__caption--fake');\n\t\t\t\t\t\t_fakeCaptionContainer.appendChild( framework.createEl('pswp__caption__center') );\n\t\t\t\t\t\t_controls.insertBefore(_fakeCaptionContainer, _captionContainer);\n\t\t\t\t\t\tframework.addClass(_controls, 'pswp__ui--fit');\n\t\t\t\t\t}\n\t\t\t\t\tif( _options.addCaptionHTMLFn(item, _fakeCaptionContainer, true) ) {\n\n\t\t\t\t\t\tvar captionSize = _fakeCaptionContainer.clientHeight;\n\t\t\t\t\t\tgap.bottom = parseInt(captionSize,10) || 44;\n\t\t\t\t\t} else {\n\t\t\t\t\t\tgap.bottom = bars.top; // if no caption, set size of bottom gap to size of top\n\t\t\t\t\t}\n\t\t\t\t} else {\n\t\t\t\t\tgap.bottom = bars.bottom === 'auto' ? 0 : bars.bottom;\n\t\t\t\t}\n\t\t\t\t\n\t\t\t\t// height of top bar is static, no need to calculate it\n\t\t\t\tgap.top = bars.top;\n\t\t\t} else {\n\t\t\t\tgap.top = gap.bottom = 0;\n\t\t\t}\n\t\t},\n\t\t_setupIdle = function() {\n\t\t\t// Hide controls when mouse is used\n\t\t\tif(_options.timeToIdle) {\n\t\t\t\t_listen('mouseUsed', function() {\n\t\t\t\t\t\n\t\t\t\t\tframework.bind(document, 'mousemove', _onIdleMouseMove);\n\t\t\t\t\tframework.bind(document, 'mouseout', _onMouseLeaveWindow);\n\n\t\t\t\t\t_idleInterval = setInterval(function() {\n\t\t\t\t\t\t_idleIncrement++;\n\t\t\t\t\t\tif(_idleIncrement === 2) {\n\t\t\t\t\t\t\tui.setIdle(true);\n\t\t\t\t\t\t}\n\t\t\t\t\t}, _options.timeToIdle / 2);\n\t\t\t\t});\n\t\t\t}\n\t\t},\n\t\t_setupHidingControlsDuringGestures = function() {\n\n\t\t\t// Hide controls on vertical drag\n\t\t\t_listen('onVerticalDrag', function(now) {\n\t\t\t\tif(_controlsVisible && now < 0.95) {\n\t\t\t\t\tui.hideControls();\n\t\t\t\t} else if(!_controlsVisible && now >= 0.95) {\n\t\t\t\t\tui.showControls();\n\t\t\t\t}\n\t\t\t});\n\n\t\t\t// Hide controls when pinching to close\n\t\t\tvar pinchControlsHidden;\n\t\t\t_listen('onPinchClose' , function(now) {\n\t\t\t\tif(_controlsVisible && now < 0.9) {\n\t\t\t\t\tui.hideControls();\n\t\t\t\t\tpinchControlsHidden = true;\n\t\t\t\t} else if(pinchControlsHidden && !_controlsVisible && now > 0.9) {\n\t\t\t\t\tui.showControls();\n\t\t\t\t}\n\t\t\t});\n\n\t\t\t_listen('zoomGestureEnded', function() {\n\t\t\t\tpinchControlsHidden = false;\n\t\t\t\tif(pinchControlsHidden && !_controlsVisible) {\n\t\t\t\t\tui.showControls();\n\t\t\t\t}\n\t\t\t});\n\n\t\t};\n\n\n\n\tvar _uiElements = [\n\t\t{ \n\t\t\tname: 'caption', \n\t\t\toption: 'captionEl',\n\t\t\tonInit: function(el) {  \n\t\t\t\t_captionContainer = el; \n\t\t\t} \n\t\t},\n\t\t{ \n\t\t\tname: 'share-modal', \n\t\t\toption: 'shareEl',\n\t\t\tonInit: function(el) {  \n\t\t\t\t_shareModal = el;\n\t\t\t},\n\t\t\tonTap: function() {\n\t\t\t\t_toggleShareModal();\n\t\t\t} \n\t\t},\n\t\t{ \n\t\t\tname: 'button--share', \n\t\t\toption: 'shareEl',\n\t\t\tonInit: function(el) { \n\t\t\t\t_shareButton = el;\n\t\t\t},\n\t\t\tonTap: function() {\n\t\t\t\t_toggleShareModal();\n\t\t\t} \n\t\t},\n\t\t{ \n\t\t\tname: 'button--zoom', \n\t\t\toption: 'zoomEl',\n\t\t\tonTap: pswp.toggleDesktopZoom\n\t\t},\n\t\t{ \n\t\t\tname: 'counter', \n\t\t\toption: 'counterEl',\n\t\t\tonInit: function(el) {  \n\t\t\t\t_indexIndicator = el;\n\t\t\t} \n\t\t},\n\t\t{ \n\t\t\tname: 'button--close', \n\t\t\toption: 'closeEl',\n\t\t\tonTap: pswp.close\n\t\t},\n\t\t{ \n\t\t\tname: 'button--arrow--left', \n\t\t\toption: 'arrowEl',\n\t\t\tonTap: pswp.prev\n\t\t},\n\t\t{ \n\t\t\tname: 'button--arrow--right', \n\t\t\toption: 'arrowEl',\n\t\t\tonTap: pswp.next\n\t\t},\n\t\t{ \n\t\t\tname: 'button--fs', \n\t\t\toption: 'fullscreenEl',\n\t\t\tonTap: function() {  \n\t\t\t\tif(_fullscrenAPI.isFullscreen()) {\n\t\t\t\t\t_fullscrenAPI.exit();\n\t\t\t\t} else {\n\t\t\t\t\t_fullscrenAPI.enter();\n\t\t\t\t}\n\t\t\t} \n\t\t},\n\t\t{ \n\t\t\tname: 'preloader', \n\t\t\toption: 'preloaderEl',\n\t\t\tonInit: function(el) {  \n\t\t\t\t_loadingIndicator = el;\n\t\t\t} \n\t\t}\n\n\t];\n\n\tvar _setupUIElements = function() {\n\t\tvar item,\n\t\t\tclassAttr,\n\t\t\tuiElement;\n\n\t\tvar loopThroughChildElements = function(sChildren) {\n\t\t\tif(!sChildren) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\tvar l = sChildren.length;\n\t\t\tfor(var i = 0; i < l; i++) {\n\t\t\t\titem = sChildren[i];\n\t\t\t\tclassAttr = item.className;\n\n\t\t\t\tfor(var a = 0; a < _uiElements.length; a++) {\n\t\t\t\t\tuiElement = _uiElements[a];\n\n\t\t\t\t\tif(classAttr.indexOf('pswp__' + uiElement.name) > -1  ) {\n\n\t\t\t\t\t\tif( _options[uiElement.option] ) { // if element is not disabled from options\n\t\t\t\t\t\t\t\n\t\t\t\t\t\t\tframework.removeClass(item, 'pswp__element--disabled');\n\t\t\t\t\t\t\tif(uiElement.onInit) {\n\t\t\t\t\t\t\t\tuiElement.onInit(item);\n\t\t\t\t\t\t\t}\n\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t//item.style.display = 'block';\n\t\t\t\t\t\t} else {\n\t\t\t\t\t\t\tframework.addClass(item, 'pswp__element--disabled');\n\t\t\t\t\t\t\t//item.style.display = 'none';\n\t\t\t\t\t\t}\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t}\n\t\t};\n\t\tloopThroughChildElements(_controls.children);\n\n\t\tvar topBar =  framework.getChildByClass(_controls, 'pswp__top-bar');\n\t\tif(topBar) {\n\t\t\tloopThroughChildElements( topBar.children );\n\t\t}\n\t};\n\n\n\t\n\n\tui.init = function() {\n\n\t\t// extend options\n\t\tframework.extend(pswp.options, _defaultUIOptions, true);\n\n\t\t// create local link for fast access\n\t\t_options = pswp.options;\n\n\t\t// find pswp__ui element\n\t\t_controls = framework.getChildByClass(pswp.scrollWrap, 'pswp__ui');\n\n\t\t// create local link\n\t\t_listen = pswp.listen;\n\n\n\t\t_setupHidingControlsDuringGestures();\n\n\t\t// update controls when slides change\n\t\t_listen('beforeChange', ui.update);\n\n\t\t// toggle zoom on double-tap\n\t\t_listen('doubleTap', function(point) {\n\t\t\tvar initialZoomLevel = pswp.currItem.initialZoomLevel;\n\t\t\tif(pswp.getZoomLevel() !== initialZoomLevel) {\n\t\t\t\tpswp.zoomTo(initialZoomLevel, point, 333);\n\t\t\t} else {\n\t\t\t\tpswp.zoomTo(_options.getDoubleTapZoom(false, pswp.currItem), point, 333);\n\t\t\t}\n\t\t});\n\n\t\t// Allow text selection in caption\n\t\t_listen('preventDragEvent', function(e, isDown, preventObj) {\n\t\t\tvar t = e.target || e.srcElement;\n\t\t\tif(\n\t\t\t\tt && \n\t\t\t\tt.getAttribute('class') && e.type.indexOf('mouse') > -1 && \n\t\t\t\t( t.getAttribute('class').indexOf('__caption') > 0 || (/(SMALL|STRONG|EM)/i).test(t.tagName) ) \n\t\t\t) {\n\t\t\t\tpreventObj.prevent = false;\n\t\t\t}\n\t\t});\n\n\t\t// bind events for UI\n\t\t_listen('bindEvents', function() {\n\t\t\tframework.bind(_controls, 'pswpTap click', _onControlsTap);\n\t\t\tframework.bind(pswp.scrollWrap, 'pswpTap', ui.onGlobalTap);\n\n\t\t\tif(!pswp.likelyTouchDevice) {\n\t\t\t\tframework.bind(pswp.scrollWrap, 'mouseover', ui.onMouseOver);\n\t\t\t}\n\t\t});\n\n\t\t// unbind events for UI\n\t\t_listen('unbindEvents', function() {\n\t\t\tif(!_shareModalHidden) {\n\t\t\t\t_toggleShareModal();\n\t\t\t}\n\n\t\t\tif(_idleInterval) {\n\t\t\t\tclearInterval(_idleInterval);\n\t\t\t}\n\t\t\tframework.unbind(document, 'mouseout', _onMouseLeaveWindow);\n\t\t\tframework.unbind(document, 'mousemove', _onIdleMouseMove);\n\t\t\tframework.unbind(_controls, 'pswpTap click', _onControlsTap);\n\t\t\tframework.unbind(pswp.scrollWrap, 'pswpTap', ui.onGlobalTap);\n\t\t\tframework.unbind(pswp.scrollWrap, 'mouseover', ui.onMouseOver);\n\n\t\t\tif(_fullscrenAPI) {\n\t\t\t\tframework.unbind(document, _fullscrenAPI.eventK, ui.updateFullscreen);\n\t\t\t\tif(_fullscrenAPI.isFullscreen()) {\n\t\t\t\t\t_options.hideAnimationDuration = 0;\n\t\t\t\t\t_fullscrenAPI.exit();\n\t\t\t\t}\n\t\t\t\t_fullscrenAPI = null;\n\t\t\t}\n\t\t});\n\n\n\t\t// clean up things when gallery is destroyed\n\t\t_listen('destroy', function() {\n\t\t\tif(_options.captionEl) {\n\t\t\t\tif(_fakeCaptionContainer) {\n\t\t\t\t\t_controls.removeChild(_fakeCaptionContainer);\n\t\t\t\t}\n\t\t\t\tframework.removeClass(_captionContainer, 'pswp__caption--empty');\n\t\t\t}\n\n\t\t\tif(_shareModal) {\n\t\t\t\t_shareModal.children[0].onclick = null;\n\t\t\t}\n\t\t\tframework.removeClass(_controls, 'pswp__ui--over-close');\n\t\t\tframework.addClass( _controls, 'pswp__ui--hidden');\n\t\t\tui.setIdle(false);\n\t\t});\n\t\t\n\n\t\tif(!_options.showAnimationDuration) {\n\t\t\tframework.removeClass( _controls, 'pswp__ui--hidden');\n\t\t}\n\t\t_listen('initialZoomIn', function() {\n\t\t\tif(_options.showAnimationDuration) {\n\t\t\t\tframework.removeClass( _controls, 'pswp__ui--hidden');\n\t\t\t}\n\t\t});\n\t\t_listen('initialZoomOut', function() {\n\t\t\tframework.addClass( _controls, 'pswp__ui--hidden');\n\t\t});\n\n\t\t_listen('parseVerticalMargin', _applyNavBarGaps);\n\t\t\n\t\t_setupUIElements();\n\n\t\tif(_options.shareEl && _shareButton && _shareModal) {\n\t\t\t_shareModalHidden = true;\n\t\t}\n\n\t\t_countNumItems();\n\n\t\t_setupIdle();\n\n\t\t_setupFullscreenAPI();\n\n\t\t_setupLoadingIndicator();\n\t};\n\n\tui.setIdle = function(isIdle) {\n\t\t_isIdle = isIdle;\n\t\t_togglePswpClass(_controls, 'ui--idle', isIdle);\n\t};\n\n\tui.update = function() {\n\t\t// Don't update UI if it's hidden\n\t\tif(_controlsVisible && pswp.currItem) {\n\t\t\t\n\t\t\tui.updateIndexIndicator();\n\n\t\t\tif(_options.captionEl) {\n\t\t\t\t_options.addCaptionHTMLFn(pswp.currItem, _captionContainer);\n\n\t\t\t\t_togglePswpClass(_captionContainer, 'caption--empty', !pswp.currItem.title);\n\t\t\t}\n\n\t\t\t_overlayUIUpdated = true;\n\n\t\t} else {\n\t\t\t_overlayUIUpdated = false;\n\t\t}\n\n\t\tif(!_shareModalHidden) {\n\t\t\t_toggleShareModal();\n\t\t}\n\n\t\t_countNumItems();\n\t};\n\n\tui.updateFullscreen = function(e) {\n\n\t\tif(e) {\n\t\t\t// some browsers change window scroll position during the fullscreen\n\t\t\t// so PhotoSwipe updates it just in case\n\t\t\tsetTimeout(function() {\n\t\t\t\tpswp.setScrollOffset( 0, framework.getScrollY() );\n\t\t\t}, 50);\n\t\t}\n\t\t\n\t\t// toogle pswp--fs class on root element\n\t\tframework[ (_fullscrenAPI.isFullscreen() ? 'add' : 'remove') + 'Class' ](pswp.template, 'pswp--fs');\n\t};\n\n\tui.updateIndexIndicator = function() {\n\t\tif(_options.counterEl) {\n\t\t\t_indexIndicator.innerHTML = (pswp.getCurrentIndex()+1) + \n\t\t\t\t\t\t\t\t\t\t_options.indexIndicatorSep + \n\t\t\t\t\t\t\t\t\t\t_options.getNumItemsFn();\n\t\t}\n\t};\n\t\n\tui.onGlobalTap = function(e) {\n\t\te = e || window.event;\n\t\tvar target = e.target || e.srcElement;\n\n\t\tif(_blockControlsTap) {\n\t\t\treturn;\n\t\t}\n\n\t\tif(e.detail && e.detail.pointerType === 'mouse') {\n\n\t\t\t// close gallery if clicked outside of the image\n\t\t\tif(_hasCloseClass(target)) {\n\t\t\t\tpswp.close();\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\tif(framework.hasClass(target, 'pswp__img')) {\n\t\t\t\tif(pswp.getZoomLevel() === 1 && pswp.getZoomLevel() <= pswp.currItem.fitRatio) {\n\t\t\t\t\tif(_options.clickToCloseNonZoomable) {\n\t\t\t\t\t\tpswp.close();\n\t\t\t\t\t}\n\t\t\t\t} else {\n\t\t\t\t\tpswp.toggleDesktopZoom(e.detail.releasePoint);\n\t\t\t\t}\n\t\t\t}\n\t\t\t\n\t\t} else {\n\n\t\t\t// tap anywhere (except buttons) to toggle visibility of controls\n\t\t\tif(_options.tapToToggleControls) {\n\t\t\t\tif(_controlsVisible) {\n\t\t\t\t\tui.hideControls();\n\t\t\t\t} else {\n\t\t\t\t\tui.showControls();\n\t\t\t\t}\n\t\t\t}\n\n\t\t\t// tap to close gallery\n\t\t\tif(_options.tapToClose && (framework.hasClass(target, 'pswp__img') || _hasCloseClass(target)) ) {\n\t\t\t\tpswp.close();\n\t\t\t\treturn;\n\t\t\t}\n\t\t\t\n\t\t}\n\t};\n\tui.onMouseOver = function(e) {\n\t\te = e || window.event;\n\t\tvar target = e.target || e.srcElement;\n\n\t\t// add class when mouse is over an element that should close the gallery\n\t\t_togglePswpClass(_controls, 'ui--over-close', _hasCloseClass(target));\n\t};\n\n\tui.hideControls = function() {\n\t\tframework.addClass(_controls,'pswp__ui--hidden');\n\t\t_controlsVisible = false;\n\t};\n\n\tui.showControls = function() {\n\t\t_controlsVisible = true;\n\t\tif(!_overlayUIUpdated) {\n\t\t\tui.update();\n\t\t}\n\t\tframework.removeClass(_controls,'pswp__ui--hidden');\n\t};\n\n\tui.supportsFullscreen = function() {\n\t\tvar d = document;\n\t\treturn !!(d.exitFullscreen || d.mozCancelFullScreen || d.webkitExitFullscreen || d.msExitFullscreen);\n\t};\n\n\tui.getFullscreenAPI = function() {\n\t\tvar dE = document.documentElement,\n\t\t\tapi,\n\t\t\ttF = 'fullscreenchange';\n\n\t\tif (dE.requestFullscreen) {\n\t\t\tapi = {\n\t\t\t\tenterK: 'requestFullscreen',\n\t\t\t\texitK: 'exitFullscreen',\n\t\t\t\telementK: 'fullscreenElement',\n\t\t\t\teventK: tF\n\t\t\t};\n\n\t\t} else if(dE.mozRequestFullScreen ) {\n\t\t\tapi = {\n\t\t\t\tenterK: 'mozRequestFullScreen',\n\t\t\t\texitK: 'mozCancelFullScreen',\n\t\t\t\telementK: 'mozFullScreenElement',\n\t\t\t\teventK: 'moz' + tF\n\t\t\t};\n\n\t\t\t\n\n\t\t} else if(dE.webkitRequestFullscreen) {\n\t\t\tapi = {\n\t\t\t\tenterK: 'webkitRequestFullscreen',\n\t\t\t\texitK: 'webkitExitFullscreen',\n\t\t\t\telementK: 'webkitFullscreenElement',\n\t\t\t\teventK: 'webkit' + tF\n\t\t\t};\n\n\t\t} else if(dE.msRequestFullscreen) {\n\t\t\tapi = {\n\t\t\t\tenterK: 'msRequestFullscreen',\n\t\t\t\texitK: 'msExitFullscreen',\n\t\t\t\telementK: 'msFullscreenElement',\n\t\t\t\teventK: 'MSFullscreenChange'\n\t\t\t};\n\t\t}\n\n\t\tif(api) {\n\t\t\tapi.enter = function() { \n\t\t\t\t// disable close-on-scroll in fullscreen\n\t\t\t\t_initalCloseOnScrollValue = _options.closeOnScroll; \n\t\t\t\t_options.closeOnScroll = false; \n\n\t\t\t\tif(this.enterK === 'webkitRequestFullscreen') {\n\t\t\t\t\tpswp.template[this.enterK]( Element.ALLOW_KEYBOARD_INPUT );\n\t\t\t\t} else {\n\t\t\t\t\treturn pswp.template[this.enterK](); \n\t\t\t\t}\n\t\t\t};\n\t\t\tapi.exit = function() { \n\t\t\t\t_options.closeOnScroll = _initalCloseOnScrollValue;\n\n\t\t\t\treturn document[this.exitK](); \n\n\t\t\t};\n\t\t\tapi.isFullscreen = function() { return document[this.elementK]; };\n\t\t}\n\n\t\treturn api;\n\t};\n\n\n\n};\nreturn PhotoSwipeUI_Default;\n\n\n});\n","/*! PhotoSwipe - v4.1.3 - 2019-01-08\n* http://photoswipe.com\n* Copyright (c) 2019 Dmitry Semenov; */\n(function (root, factory) { \n\tif (typeof define === 'function' && define.amd) {\n\t\tdefine(factory);\n\t} else if (typeof exports === 'object') {\n\t\tmodule.exports = factory();\n\t} else {\n\t\troot.PhotoSwipe = factory();\n\t}\n})(this, function () {\n\n\t'use strict';\n\tvar PhotoSwipe = function(template, UiClass, items, options){\n\n/*>>framework-bridge*/\n/**\n *\n * Set of generic functions used by gallery.\n * \n * You're free to modify anything here as long as functionality is kept.\n * \n */\nvar framework = {\n\tfeatures: null,\n\tbind: function(target, type, listener, unbind) {\n\t\tvar methodName = (unbind ? 'remove' : 'add') + 'EventListener';\n\t\ttype = type.split(' ');\n\t\tfor(var i = 0; i < type.length; i++) {\n\t\t\tif(type[i]) {\n\t\t\t\ttarget[methodName]( type[i], listener, false);\n\t\t\t}\n\t\t}\n\t},\n\tisArray: function(obj) {\n\t\treturn (obj instanceof Array);\n\t},\n\tcreateEl: function(classes, tag) {\n\t\tvar el = document.createElement(tag || 'div');\n\t\tif(classes) {\n\t\t\tel.className = classes;\n\t\t}\n\t\treturn el;\n\t},\n\tgetScrollY: function() {\n\t\tvar yOffset = window.pageYOffset;\n\t\treturn yOffset !== undefined ? yOffset : document.documentElement.scrollTop;\n\t},\n\tunbind: function(target, type, listener) {\n\t\tframework.bind(target,type,listener,true);\n\t},\n\tremoveClass: function(el, className) {\n\t\tvar reg = new RegExp('(\\\\s|^)' + className + '(\\\\s|$)');\n\t\tel.className = el.className.replace(reg, ' ').replace(/^\\s\\s*/, '').replace(/\\s\\s*$/, ''); \n\t},\n\taddClass: function(el, className) {\n\t\tif( !framework.hasClass(el,className) ) {\n\t\t\tel.className += (el.className ? ' ' : '') + className;\n\t\t}\n\t},\n\thasClass: function(el, className) {\n\t\treturn el.className && new RegExp('(^|\\\\s)' + className + '(\\\\s|$)').test(el.className);\n\t},\n\tgetChildByClass: function(parentEl, childClassName) {\n\t\tvar node = parentEl.firstChild;\n\t\twhile(node) {\n\t\t\tif( framework.hasClass(node, childClassName) ) {\n\t\t\t\treturn node;\n\t\t\t}\n\t\t\tnode = node.nextSibling;\n\t\t}\n\t},\n\tarraySearch: function(array, value, key) {\n\t\tvar i = array.length;\n\t\twhile(i--) {\n\t\t\tif(array[i][key] === value) {\n\t\t\t\treturn i;\n\t\t\t} \n\t\t}\n\t\treturn -1;\n\t},\n\textend: function(o1, o2, preventOverwrite) {\n\t\tfor (var prop in o2) {\n\t\t\tif (o2.hasOwnProperty(prop)) {\n\t\t\t\tif(preventOverwrite && o1.hasOwnProperty(prop)) {\n\t\t\t\t\tcontinue;\n\t\t\t\t}\n\t\t\t\to1[prop] = o2[prop];\n\t\t\t}\n\t\t}\n\t},\n\teasing: {\n\t\tsine: {\n\t\t\tout: function(k) {\n\t\t\t\treturn Math.sin(k * (Math.PI / 2));\n\t\t\t},\n\t\t\tinOut: function(k) {\n\t\t\t\treturn - (Math.cos(Math.PI * k) - 1) / 2;\n\t\t\t}\n\t\t},\n\t\tcubic: {\n\t\t\tout: function(k) {\n\t\t\t\treturn --k * k * k + 1;\n\t\t\t}\n\t\t}\n\t\t/*\n\t\t\telastic: {\n\t\t\t\tout: function ( k ) {\n\n\t\t\t\t\tvar s, a = 0.1, p = 0.4;\n\t\t\t\t\tif ( k === 0 ) return 0;\n\t\t\t\t\tif ( k === 1 ) return 1;\n\t\t\t\t\tif ( !a || a < 1 ) { a = 1; s = p / 4; }\n\t\t\t\t\telse s = p * Math.asin( 1 / a ) / ( 2 * Math.PI );\n\t\t\t\t\treturn ( a * Math.pow( 2, - 10 * k) * Math.sin( ( k - s ) * ( 2 * Math.PI ) / p ) + 1 );\n\n\t\t\t\t},\n\t\t\t},\n\t\t\tback: {\n\t\t\t\tout: function ( k ) {\n\t\t\t\t\tvar s = 1.70158;\n\t\t\t\t\treturn --k * k * ( ( s + 1 ) * k + s ) + 1;\n\t\t\t\t}\n\t\t\t}\n\t\t*/\n\t},\n\n\t/**\n\t * \n\t * @return {object}\n\t * \n\t * {\n\t *  raf : request animation frame function\n\t *  caf : cancel animation frame function\n\t *  transfrom : transform property key (with vendor), or null if not supported\n\t *  oldIE : IE8 or below\n\t * }\n\t * \n\t */\n\tdetectFeatures: function() {\n\t\tif(framework.features) {\n\t\t\treturn framework.features;\n\t\t}\n\t\tvar helperEl = framework.createEl(),\n\t\t\thelperStyle = helperEl.style,\n\t\t\tvendor = '',\n\t\t\tfeatures = {};\n\n\t\t// IE8 and below\n\t\tfeatures.oldIE = document.all && !document.addEventListener;\n\n\t\tfeatures.touch = 'ontouchstart' in window;\n\n\t\tif(window.requestAnimationFrame) {\n\t\t\tfeatures.raf = window.requestAnimationFrame;\n\t\t\tfeatures.caf = window.cancelAnimationFrame;\n\t\t}\n\n\t\tfeatures.pointerEvent = !!(window.PointerEvent) || navigator.msPointerEnabled;\n\n\t\t// fix false-positive detection of old Android in new IE\n\t\t// (IE11 ua string contains \"Android 4.0\")\n\t\t\n\t\tif(!features.pointerEvent) { \n\n\t\t\tvar ua = navigator.userAgent;\n\n\t\t\t// Detect if device is iPhone or iPod and if it's older than iOS 8\n\t\t\t// http://stackoverflow.com/a/14223920\n\t\t\t// \n\t\t\t// This detection is made because of buggy top/bottom toolbars\n\t\t\t// that don't trigger window.resize event.\n\t\t\t// For more info refer to _isFixedPosition variable in core.js\n\n\t\t\tif (/iP(hone|od)/.test(navigator.platform)) {\n\t\t\t\tvar v = (navigator.appVersion).match(/OS (\\d+)_(\\d+)_?(\\d+)?/);\n\t\t\t\tif(v && v.length > 0) {\n\t\t\t\t\tv = parseInt(v[1], 10);\n\t\t\t\t\tif(v >= 1 && v < 8 ) {\n\t\t\t\t\t\tfeatures.isOldIOSPhone = true;\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t}\n\n\t\t\t// Detect old Android (before KitKat)\n\t\t\t// due to bugs related to position:fixed\n\t\t\t// http://stackoverflow.com/questions/7184573/pick-up-the-android-version-in-the-browser-by-javascript\n\t\t\t\n\t\t\tvar match = ua.match(/Android\\s([0-9\\.]*)/);\n\t\t\tvar androidversion =  match ? match[1] : 0;\n\t\t\tandroidversion = parseFloat(androidversion);\n\t\t\tif(androidversion >= 1 ) {\n\t\t\t\tif(androidversion < 4.4) {\n\t\t\t\t\tfeatures.isOldAndroid = true; // for fixed position bug & performance\n\t\t\t\t}\n\t\t\t\tfeatures.androidVersion = androidversion; // for touchend bug\n\t\t\t}\t\n\t\t\tfeatures.isMobileOpera = /opera mini|opera mobi/i.test(ua);\n\n\t\t\t// p.s. yes, yes, UA sniffing is bad, propose your solution for above bugs.\n\t\t}\n\t\t\n\t\tvar styleChecks = ['transform', 'perspective', 'animationName'],\n\t\t\tvendors = ['', 'webkit','Moz','ms','O'],\n\t\t\tstyleCheckItem,\n\t\t\tstyleName;\n\n\t\tfor(var i = 0; i < 4; i++) {\n\t\t\tvendor = vendors[i];\n\n\t\t\tfor(var a = 0; a < 3; a++) {\n\t\t\t\tstyleCheckItem = styleChecks[a];\n\n\t\t\t\t// uppercase first letter of property name, if vendor is present\n\t\t\t\tstyleName = vendor + (vendor ? \n\t\t\t\t\t\t\t\t\t\tstyleCheckItem.charAt(0).toUpperCase() + styleCheckItem.slice(1) : \n\t\t\t\t\t\t\t\t\t\tstyleCheckItem);\n\t\t\t\n\t\t\t\tif(!features[styleCheckItem] && styleName in helperStyle ) {\n\t\t\t\t\tfeatures[styleCheckItem] = styleName;\n\t\t\t\t}\n\t\t\t}\n\n\t\t\tif(vendor && !features.raf) {\n\t\t\t\tvendor = vendor.toLowerCase();\n\t\t\t\tfeatures.raf = window[vendor+'RequestAnimationFrame'];\n\t\t\t\tif(features.raf) {\n\t\t\t\t\tfeatures.caf = window[vendor+'CancelAnimationFrame'] || \n\t\t\t\t\t\t\t\t\twindow[vendor+'CancelRequestAnimationFrame'];\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t\t\t\n\t\tif(!features.raf) {\n\t\t\tvar lastTime = 0;\n\t\t\tfeatures.raf = function(fn) {\n\t\t\t\tvar currTime = new Date().getTime();\n\t\t\t\tvar timeToCall = Math.max(0, 16 - (currTime - lastTime));\n\t\t\t\tvar id = window.setTimeout(function() { fn(currTime + timeToCall); }, timeToCall);\n\t\t\t\tlastTime = currTime + timeToCall;\n\t\t\t\treturn id;\n\t\t\t};\n\t\t\tfeatures.caf = function(id) { clearTimeout(id); };\n\t\t}\n\n\t\t// Detect SVG support\n\t\tfeatures.svg = !!document.createElementNS && \n\t\t\t\t\t\t!!document.createElementNS('http://www.w3.org/2000/svg', 'svg').createSVGRect;\n\n\t\tframework.features = features;\n\n\t\treturn features;\n\t}\n};\n\nframework.detectFeatures();\n\n// Override addEventListener for old versions of IE\nif(framework.features.oldIE) {\n\n\tframework.bind = function(target, type, listener, unbind) {\n\t\t\n\t\ttype = type.split(' ');\n\n\t\tvar methodName = (unbind ? 'detach' : 'attach') + 'Event',\n\t\t\tevName,\n\t\t\t_handleEv = function() {\n\t\t\t\tlistener.handleEvent.call(listener);\n\t\t\t};\n\n\t\tfor(var i = 0; i < type.length; i++) {\n\t\t\tevName = type[i];\n\t\t\tif(evName) {\n\n\t\t\t\tif(typeof listener === 'object' && listener.handleEvent) {\n\t\t\t\t\tif(!unbind) {\n\t\t\t\t\t\tlistener['oldIE' + evName] = _handleEv;\n\t\t\t\t\t} else {\n\t\t\t\t\t\tif(!listener['oldIE' + evName]) {\n\t\t\t\t\t\t\treturn false;\n\t\t\t\t\t\t}\n\t\t\t\t\t}\n\n\t\t\t\t\ttarget[methodName]( 'on' + evName, listener['oldIE' + evName]);\n\t\t\t\t} else {\n\t\t\t\t\ttarget[methodName]( 'on' + evName, listener);\n\t\t\t\t}\n\n\t\t\t}\n\t\t}\n\t};\n\t\n}\n\n/*>>framework-bridge*/\n\n/*>>core*/\n//function(template, UiClass, items, options)\n\nvar self = this;\n\n/**\n * Static vars, don't change unless you know what you're doing.\n */\nvar DOUBLE_TAP_RADIUS = 25, \n\tNUM_HOLDERS = 3;\n\n/**\n * Options\n */\nvar _options = {\n\tallowPanToNext:true,\n\tspacing: 0.12,\n\tbgOpacity: 1,\n\tmouseUsed: false,\n\tloop: true,\n\tpinchToClose: true,\n\tcloseOnScroll: true,\n\tcloseOnVerticalDrag: true,\n\tverticalDragRange: 0.75,\n\thideAnimationDuration: 333,\n\tshowAnimationDuration: 333,\n\tshowHideOpacity: false,\n\tfocus: true,\n\tescKey: true,\n\tarrowKeys: true,\n\tmainScrollEndFriction: 0.35,\n\tpanEndFriction: 0.35,\n\tisClickableElement: function(el) {\n        return el.tagName === 'A';\n    },\n    getDoubleTapZoom: function(isMouseClick, item) {\n    \tif(isMouseClick) {\n    \t\treturn 1;\n    \t} else {\n    \t\treturn item.initialZoomLevel < 0.7 ? 1 : 1.33;\n    \t}\n    },\n    maxSpreadZoom: 1.33,\n\tmodal: true,\n\n\t// not fully implemented yet\n\tscaleMode: 'fit' // TODO\n};\nframework.extend(_options, options);\n\n\n/**\n * Private helper variables & functions\n */\n\nvar _getEmptyPoint = function() { \n\t\treturn {x:0,y:0}; \n\t};\n\nvar _isOpen,\n\t_isDestroying,\n\t_closedByScroll,\n\t_currentItemIndex,\n\t_containerStyle,\n\t_containerShiftIndex,\n\t_currPanDist = _getEmptyPoint(),\n\t_startPanOffset = _getEmptyPoint(),\n\t_panOffset = _getEmptyPoint(),\n\t_upMoveEvents, // drag move, drag end & drag cancel events array\n\t_downEvents, // drag start events array\n\t_globalEventHandlers,\n\t_viewportSize = {},\n\t_currZoomLevel,\n\t_startZoomLevel,\n\t_translatePrefix,\n\t_translateSufix,\n\t_updateSizeInterval,\n\t_itemsNeedUpdate,\n\t_currPositionIndex = 0,\n\t_offset = {},\n\t_slideSize = _getEmptyPoint(), // size of slide area, including spacing\n\t_itemHolders,\n\t_prevItemIndex,\n\t_indexDiff = 0, // difference of indexes since last content update\n\t_dragStartEvent,\n\t_dragMoveEvent,\n\t_dragEndEvent,\n\t_dragCancelEvent,\n\t_transformKey,\n\t_pointerEventEnabled,\n\t_isFixedPosition = true,\n\t_likelyTouchDevice,\n\t_modules = [],\n\t_requestAF,\n\t_cancelAF,\n\t_initalClassName,\n\t_initalWindowScrollY,\n\t_oldIE,\n\t_currentWindowScrollY,\n\t_features,\n\t_windowVisibleSize = {},\n\t_renderMaxResolution = false,\n\t_orientationChangeTimeout,\n\n\n\t// Registers PhotoSWipe module (History, Controller ...)\n\t_registerModule = function(name, module) {\n\t\tframework.extend(self, module.publicMethods);\n\t\t_modules.push(name);\n\t},\n\n\t_getLoopedId = function(index) {\n\t\tvar numSlides = _getNumItems();\n\t\tif(index > numSlides - 1) {\n\t\t\treturn index - numSlides;\n\t\t} else  if(index < 0) {\n\t\t\treturn numSlides + index;\n\t\t}\n\t\treturn index;\n\t},\n\t\n\t// Micro bind/trigger\n\t_listeners = {},\n\t_listen = function(name, fn) {\n\t\tif(!_listeners[name]) {\n\t\t\t_listeners[name] = [];\n\t\t}\n\t\treturn _listeners[name].push(fn);\n\t},\n\t_shout = function(name) {\n\t\tvar listeners = _listeners[name];\n\n\t\tif(listeners) {\n\t\t\tvar args = Array.prototype.slice.call(arguments);\n\t\t\targs.shift();\n\n\t\t\tfor(var i = 0; i < listeners.length; i++) {\n\t\t\t\tlisteners[i].apply(self, args);\n\t\t\t}\n\t\t}\n\t},\n\n\t_getCurrentTime = function() {\n\t\treturn new Date().getTime();\n\t},\n\t_applyBgOpacity = function(opacity) {\n\t\t_bgOpacity = opacity;\n\t\tself.bg.style.opacity = opacity * _options.bgOpacity;\n\t},\n\n\t_applyZoomTransform = function(styleObj,x,y,zoom,item) {\n\t\tif(!_renderMaxResolution || (item && item !== self.currItem) ) {\n\t\t\tzoom = zoom / (item ? item.fitRatio : self.currItem.fitRatio);\t\n\t\t}\n\t\t\t\n\t\tstyleObj[_transformKey] = _translatePrefix + x + 'px, ' + y + 'px' + _translateSufix + ' scale(' + zoom + ')';\n\t},\n\t_applyCurrentZoomPan = function( allowRenderResolution ) {\n\t\tif(_currZoomElementStyle) {\n\n\t\t\tif(allowRenderResolution) {\n\t\t\t\tif(_currZoomLevel > self.currItem.fitRatio) {\n\t\t\t\t\tif(!_renderMaxResolution) {\n\t\t\t\t\t\t_setImageSize(self.currItem, false, true);\n\t\t\t\t\t\t_renderMaxResolution = true;\n\t\t\t\t\t}\n\t\t\t\t} else {\n\t\t\t\t\tif(_renderMaxResolution) {\n\t\t\t\t\t\t_setImageSize(self.currItem);\n\t\t\t\t\t\t_renderMaxResolution = false;\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t}\n\t\t\t\n\n\t\t\t_applyZoomTransform(_currZoomElementStyle, _panOffset.x, _panOffset.y, _currZoomLevel);\n\t\t}\n\t},\n\t_applyZoomPanToItem = function(item) {\n\t\tif(item.container) {\n\n\t\t\t_applyZoomTransform(item.container.style, \n\t\t\t\t\t\t\t\titem.initialPosition.x, \n\t\t\t\t\t\t\t\titem.initialPosition.y, \n\t\t\t\t\t\t\t\titem.initialZoomLevel,\n\t\t\t\t\t\t\t\titem);\n\t\t}\n\t},\n\t_setTranslateX = function(x, elStyle) {\n\t\telStyle[_transformKey] = _translatePrefix + x + 'px, 0px' + _translateSufix;\n\t},\n\t_moveMainScroll = function(x, dragging) {\n\n\t\tif(!_options.loop && dragging) {\n\t\t\tvar newSlideIndexOffset = _currentItemIndex + (_slideSize.x * _currPositionIndex - x) / _slideSize.x,\n\t\t\t\tdelta = Math.round(x - _mainScrollPos.x);\n\n\t\t\tif( (newSlideIndexOffset < 0 && delta > 0) || \n\t\t\t\t(newSlideIndexOffset >= _getNumItems() - 1 && delta < 0) ) {\n\t\t\t\tx = _mainScrollPos.x + delta * _options.mainScrollEndFriction;\n\t\t\t} \n\t\t}\n\t\t\n\t\t_mainScrollPos.x = x;\n\t\t_setTranslateX(x, _containerStyle);\n\t},\n\t_calculatePanOffset = function(axis, zoomLevel) {\n\t\tvar m = _midZoomPoint[axis] - _offset[axis];\n\t\treturn _startPanOffset[axis] + _currPanDist[axis] + m - m * ( zoomLevel / _startZoomLevel );\n\t},\n\t\n\t_equalizePoints = function(p1, p2) {\n\t\tp1.x = p2.x;\n\t\tp1.y = p2.y;\n\t\tif(p2.id) {\n\t\t\tp1.id = p2.id;\n\t\t}\n\t},\n\t_roundPoint = function(p) {\n\t\tp.x = Math.round(p.x);\n\t\tp.y = Math.round(p.y);\n\t},\n\n\t_mouseMoveTimeout = null,\n\t_onFirstMouseMove = function() {\n\t\t// Wait until mouse move event is fired at least twice during 100ms\n\t\t// We do this, because some mobile browsers trigger it on touchstart\n\t\tif(_mouseMoveTimeout ) { \n\t\t\tframework.unbind(document, 'mousemove', _onFirstMouseMove);\n\t\t\tframework.addClass(template, 'pswp--has_mouse');\n\t\t\t_options.mouseUsed = true;\n\t\t\t_shout('mouseUsed');\n\t\t}\n\t\t_mouseMoveTimeout = setTimeout(function() {\n\t\t\t_mouseMoveTimeout = null;\n\t\t}, 100);\n\t},\n\n\t_bindEvents = function() {\n\t\tframework.bind(document, 'keydown', self);\n\n\t\tif(_features.transform) {\n\t\t\t// don't bind click event in browsers that don't support transform (mostly IE8)\n\t\t\tframework.bind(self.scrollWrap, 'click', self);\n\t\t}\n\t\t\n\n\t\tif(!_options.mouseUsed) {\n\t\t\tframework.bind(document, 'mousemove', _onFirstMouseMove);\n\t\t}\n\n\t\tframework.bind(window, 'resize scroll orientationchange', self);\n\n\t\t_shout('bindEvents');\n\t},\n\n\t_unbindEvents = function() {\n\t\tframework.unbind(window, 'resize scroll orientationchange', self);\n\t\tframework.unbind(window, 'scroll', _globalEventHandlers.scroll);\n\t\tframework.unbind(document, 'keydown', self);\n\t\tframework.unbind(document, 'mousemove', _onFirstMouseMove);\n\n\t\tif(_features.transform) {\n\t\t\tframework.unbind(self.scrollWrap, 'click', self);\n\t\t}\n\n\t\tif(_isDragging) {\n\t\t\tframework.unbind(window, _upMoveEvents, self);\n\t\t}\n\n\t\tclearTimeout(_orientationChangeTimeout);\n\n\t\t_shout('unbindEvents');\n\t},\n\t\n\t_calculatePanBounds = function(zoomLevel, update) {\n\t\tvar bounds = _calculateItemSize( self.currItem, _viewportSize, zoomLevel );\n\t\tif(update) {\n\t\t\t_currPanBounds = bounds;\n\t\t}\n\t\treturn bounds;\n\t},\n\t\n\t_getMinZoomLevel = function(item) {\n\t\tif(!item) {\n\t\t\titem = self.currItem;\n\t\t}\n\t\treturn item.initialZoomLevel;\n\t},\n\t_getMaxZoomLevel = function(item) {\n\t\tif(!item) {\n\t\t\titem = self.currItem;\n\t\t}\n\t\treturn item.w > 0 ? _options.maxSpreadZoom : 1;\n\t},\n\n\t// Return true if offset is out of the bounds\n\t_modifyDestPanOffset = function(axis, destPanBounds, destPanOffset, destZoomLevel) {\n\t\tif(destZoomLevel === self.currItem.initialZoomLevel) {\n\t\t\tdestPanOffset[axis] = self.currItem.initialPosition[axis];\n\t\t\treturn true;\n\t\t} else {\n\t\t\tdestPanOffset[axis] = _calculatePanOffset(axis, destZoomLevel); \n\n\t\t\tif(destPanOffset[axis] > destPanBounds.min[axis]) {\n\t\t\t\tdestPanOffset[axis] = destPanBounds.min[axis];\n\t\t\t\treturn true;\n\t\t\t} else if(destPanOffset[axis] < destPanBounds.max[axis] ) {\n\t\t\t\tdestPanOffset[axis] = destPanBounds.max[axis];\n\t\t\t\treturn true;\n\t\t\t}\n\t\t}\n\t\treturn false;\n\t},\n\n\t_setupTransforms = function() {\n\n\t\tif(_transformKey) {\n\t\t\t// setup 3d transforms\n\t\t\tvar allow3dTransform = _features.perspective && !_likelyTouchDevice;\n\t\t\t_translatePrefix = 'translate' + (allow3dTransform ? '3d(' : '(');\n\t\t\t_translateSufix = _features.perspective ? ', 0px)' : ')';\t\n\t\t\treturn;\n\t\t}\n\n\t\t// Override zoom/pan/move functions in case old browser is used (most likely IE)\n\t\t// (so they use left/top/width/height, instead of CSS transform)\n\t\n\t\t_transformKey = 'left';\n\t\tframework.addClass(template, 'pswp--ie');\n\n\t\t_setTranslateX = function(x, elStyle) {\n\t\t\telStyle.left = x + 'px';\n\t\t};\n\t\t_applyZoomPanToItem = function(item) {\n\n\t\t\tvar zoomRatio = item.fitRatio > 1 ? 1 : item.fitRatio,\n\t\t\t\ts = item.container.style,\n\t\t\t\tw = zoomRatio * item.w,\n\t\t\t\th = zoomRatio * item.h;\n\n\t\t\ts.width = w + 'px';\n\t\t\ts.height = h + 'px';\n\t\t\ts.left = item.initialPosition.x + 'px';\n\t\t\ts.top = item.initialPosition.y + 'px';\n\n\t\t};\n\t\t_applyCurrentZoomPan = function() {\n\t\t\tif(_currZoomElementStyle) {\n\n\t\t\t\tvar s = _currZoomElementStyle,\n\t\t\t\t\titem = self.currItem,\n\t\t\t\t\tzoomRatio = item.fitRatio > 1 ? 1 : item.fitRatio,\n\t\t\t\t\tw = zoomRatio * item.w,\n\t\t\t\t\th = zoomRatio * item.h;\n\n\t\t\t\ts.width = w + 'px';\n\t\t\t\ts.height = h + 'px';\n\n\n\t\t\t\ts.left = _panOffset.x + 'px';\n\t\t\t\ts.top = _panOffset.y + 'px';\n\t\t\t}\n\t\t\t\n\t\t};\n\t},\n\n\t_onKeyDown = function(e) {\n\t\tvar keydownAction = '';\n\t\tif(_options.escKey && e.keyCode === 27) { \n\t\t\tkeydownAction = 'close';\n\t\t} else if(_options.arrowKeys) {\n\t\t\tif(e.keyCode === 37) {\n\t\t\t\tkeydownAction = 'prev';\n\t\t\t} else if(e.keyCode === 39) { \n\t\t\t\tkeydownAction = 'next';\n\t\t\t}\n\t\t}\n\n\t\tif(keydownAction) {\n\t\t\t// don't do anything if special key pressed to prevent from overriding default browser actions\n\t\t\t// e.g. in Chrome on Mac cmd+arrow-left returns to previous page\n\t\t\tif( !e.ctrlKey && !e.altKey && !e.shiftKey && !e.metaKey ) {\n\t\t\t\tif(e.preventDefault) {\n\t\t\t\t\te.preventDefault();\n\t\t\t\t} else {\n\t\t\t\t\te.returnValue = false;\n\t\t\t\t} \n\t\t\t\tself[keydownAction]();\n\t\t\t}\n\t\t}\n\t},\n\n\t_onGlobalClick = function(e) {\n\t\tif(!e) {\n\t\t\treturn;\n\t\t}\n\n\t\t// don't allow click event to pass through when triggering after drag or some other gesture\n\t\tif(_moved || _zoomStarted || _mainScrollAnimating || _verticalDragInitiated) {\n\t\t\te.preventDefault();\n\t\t\te.stopPropagation();\n\t\t}\n\t},\n\n\t_updatePageScrollOffset = function() {\n\t\tself.setScrollOffset(0, framework.getScrollY());\t\t\n\t};\n\t\n\n\n\t\n\n\n\n// Micro animation engine\nvar _animations = {},\n\t_numAnimations = 0,\n\t_stopAnimation = function(name) {\n\t\tif(_animations[name]) {\n\t\t\tif(_animations[name].raf) {\n\t\t\t\t_cancelAF( _animations[name].raf );\n\t\t\t}\n\t\t\t_numAnimations--;\n\t\t\tdelete _animations[name];\n\t\t}\n\t},\n\t_registerStartAnimation = function(name) {\n\t\tif(_animations[name]) {\n\t\t\t_stopAnimation(name);\n\t\t}\n\t\tif(!_animations[name]) {\n\t\t\t_numAnimations++;\n\t\t\t_animations[name] = {};\n\t\t}\n\t},\n\t_stopAllAnimations = function() {\n\t\tfor (var prop in _animations) {\n\n\t\t\tif( _animations.hasOwnProperty( prop ) ) {\n\t\t\t\t_stopAnimation(prop);\n\t\t\t} \n\t\t\t\n\t\t}\n\t},\n\t_animateProp = function(name, b, endProp, d, easingFn, onUpdate, onComplete) {\n\t\tvar startAnimTime = _getCurrentTime(), t;\n\t\t_registerStartAnimation(name);\n\n\t\tvar animloop = function(){\n\t\t\tif ( _animations[name] ) {\n\t\t\t\t\n\t\t\t\tt = _getCurrentTime() - startAnimTime; // time diff\n\t\t\t\t//b - beginning (start prop)\n\t\t\t\t//d - anim duration\n\n\t\t\t\tif ( t >= d ) {\n\t\t\t\t\t_stopAnimation(name);\n\t\t\t\t\tonUpdate(endProp);\n\t\t\t\t\tif(onComplete) {\n\t\t\t\t\t\tonComplete();\n\t\t\t\t\t}\n\t\t\t\t\treturn;\n\t\t\t\t}\n\t\t\t\tonUpdate( (endProp - b) * easingFn(t/d) + b );\n\n\t\t\t\t_animations[name].raf = _requestAF(animloop);\n\t\t\t}\n\t\t};\n\t\tanimloop();\n\t};\n\t\n\n\nvar publicMethods = {\n\n\t// make a few local variables and functions public\n\tshout: _shout,\n\tlisten: _listen,\n\tviewportSize: _viewportSize,\n\toptions: _options,\n\n\tisMainScrollAnimating: function() {\n\t\treturn _mainScrollAnimating;\n\t},\n\tgetZoomLevel: function() {\n\t\treturn _currZoomLevel;\n\t},\n\tgetCurrentIndex: function() {\n\t\treturn _currentItemIndex;\n\t},\n\tisDragging: function() {\n\t\treturn _isDragging;\n\t},\t\n\tisZooming: function() {\n\t\treturn _isZooming;\n\t},\n\tsetScrollOffset: function(x,y) {\n\t\t_offset.x = x;\n\t\t_currentWindowScrollY = _offset.y = y;\n\t\t_shout('updateScrollOffset', _offset);\n\t},\n\tapplyZoomPan: function(zoomLevel,panX,panY,allowRenderResolution) {\n\t\t_panOffset.x = panX;\n\t\t_panOffset.y = panY;\n\t\t_currZoomLevel = zoomLevel;\n\t\t_applyCurrentZoomPan( allowRenderResolution );\n\t},\n\n\tinit: function() {\n\n\t\tif(_isOpen || _isDestroying) {\n\t\t\treturn;\n\t\t}\n\n\t\tvar i;\n\n\t\tself.framework = framework; // basic functionality\n\t\tself.template = template; // root DOM element of PhotoSwipe\n\t\tself.bg = framework.getChildByClass(template, 'pswp__bg');\n\n\t\t_initalClassName = template.className;\n\t\t_isOpen = true;\n\t\t\t\t\n\t\t_features = framework.detectFeatures();\n\t\t_requestAF = _features.raf;\n\t\t_cancelAF = _features.caf;\n\t\t_transformKey = _features.transform;\n\t\t_oldIE = _features.oldIE;\n\t\t\n\t\tself.scrollWrap = framework.getChildByClass(template, 'pswp__scroll-wrap');\n\t\tself.container = framework.getChildByClass(self.scrollWrap, 'pswp__container');\n\n\t\t_containerStyle = self.container.style; // for fast access\n\n\t\t// Objects that hold slides (there are only 3 in DOM)\n\t\tself.itemHolders = _itemHolders = [\n\t\t\t{el:self.container.children[0] , wrap:0, index: -1},\n\t\t\t{el:self.container.children[1] , wrap:0, index: -1},\n\t\t\t{el:self.container.children[2] , wrap:0, index: -1}\n\t\t];\n\n\t\t// hide nearby item holders until initial zoom animation finishes (to avoid extra Paints)\n\t\t_itemHolders[0].el.style.display = _itemHolders[2].el.style.display = 'none';\n\n\t\t_setupTransforms();\n\n\t\t// Setup global events\n\t\t_globalEventHandlers = {\n\t\t\tresize: self.updateSize,\n\n\t\t\t// Fixes: iOS 10.3 resize event\n\t\t\t// does not update scrollWrap.clientWidth instantly after resize\n\t\t\t// https://github.com/dimsemenov/PhotoSwipe/issues/1315\n\t\t\torientationchange: function() {\n\t\t\t\tclearTimeout(_orientationChangeTimeout);\n\t\t\t\t_orientationChangeTimeout = setTimeout(function() {\n\t\t\t\t\tif(_viewportSize.x !== self.scrollWrap.clientWidth) {\n\t\t\t\t\t\tself.updateSize();\n\t\t\t\t\t}\n\t\t\t\t}, 500);\n\t\t\t},\n\t\t\tscroll: _updatePageScrollOffset,\n\t\t\tkeydown: _onKeyDown,\n\t\t\tclick: _onGlobalClick\n\t\t};\n\n\t\t// disable show/hide effects on old browsers that don't support CSS animations or transforms, \n\t\t// old IOS, Android and Opera mobile. Blackberry seems to work fine, even older models.\n\t\tvar oldPhone = _features.isOldIOSPhone || _features.isOldAndroid || _features.isMobileOpera;\n\t\tif(!_features.animationName || !_features.transform || oldPhone) {\n\t\t\t_options.showAnimationDuration = _options.hideAnimationDuration = 0;\n\t\t}\n\n\t\t// init modules\n\t\tfor(i = 0; i < _modules.length; i++) {\n\t\t\tself['init' + _modules[i]]();\n\t\t}\n\t\t\n\t\t// init\n\t\tif(UiClass) {\n\t\t\tvar ui = self.ui = new UiClass(self, framework);\n\t\t\tui.init();\n\t\t}\n\n\t\t_shout('firstUpdate');\n\t\t_currentItemIndex = _currentItemIndex || _options.index || 0;\n\t\t// validate index\n\t\tif( isNaN(_currentItemIndex) || _currentItemIndex < 0 || _currentItemIndex >= _getNumItems() ) {\n\t\t\t_currentItemIndex = 0;\n\t\t}\n\t\tself.currItem = _getItemAt( _currentItemIndex );\n\n\t\t\n\t\tif(_features.isOldIOSPhone || _features.isOldAndroid) {\n\t\t\t_isFixedPosition = false;\n\t\t}\n\t\t\n\t\ttemplate.setAttribute('aria-hidden', 'false');\n\t\tif(_options.modal) {\n\t\t\tif(!_isFixedPosition) {\n\t\t\t\ttemplate.style.position = 'absolute';\n\t\t\t\ttemplate.style.top = framework.getScrollY() + 'px';\n\t\t\t} else {\n\t\t\t\ttemplate.style.position = 'fixed';\n\t\t\t}\n\t\t}\n\n\t\tif(_currentWindowScrollY === undefined) {\n\t\t\t_shout('initialLayout');\n\t\t\t_currentWindowScrollY = _initalWindowScrollY = framework.getScrollY();\n\t\t}\n\t\t\n\t\t// add classes to root element of PhotoSwipe\n\t\tvar rootClasses = 'pswp--open ';\n\t\tif(_options.mainClass) {\n\t\t\trootClasses += _options.mainClass + ' ';\n\t\t}\n\t\tif(_options.showHideOpacity) {\n\t\t\trootClasses += 'pswp--animate_opacity ';\n\t\t}\n\t\trootClasses += _likelyTouchDevice ? 'pswp--touch' : 'pswp--notouch';\n\t\trootClasses += _features.animationName ? ' pswp--css_animation' : '';\n\t\trootClasses += _features.svg ? ' pswp--svg' : '';\n\t\tframework.addClass(template, rootClasses);\n\n\t\tself.updateSize();\n\n\t\t// initial update\n\t\t_containerShiftIndex = -1;\n\t\t_indexDiff = null;\n\t\tfor(i = 0; i < NUM_HOLDERS; i++) {\n\t\t\t_setTranslateX( (i+_containerShiftIndex) * _slideSize.x, _itemHolders[i].el.style);\n\t\t}\n\n\t\tif(!_oldIE) {\n\t\t\tframework.bind(self.scrollWrap, _downEvents, self); // no dragging for old IE\n\t\t}\t\n\n\t\t_listen('initialZoomInEnd', function() {\n\t\t\tself.setContent(_itemHolders[0], _currentItemIndex-1);\n\t\t\tself.setContent(_itemHolders[2], _currentItemIndex+1);\n\n\t\t\t_itemHolders[0].el.style.display = _itemHolders[2].el.style.display = 'block';\n\n\t\t\tif(_options.focus) {\n\t\t\t\t// focus causes layout, \n\t\t\t\t// which causes lag during the animation, \n\t\t\t\t// that's why we delay it untill the initial zoom transition ends\n\t\t\t\ttemplate.focus();\n\t\t\t}\n\t\t\t \n\n\t\t\t_bindEvents();\n\t\t});\n\n\t\t// set content for center slide (first time)\n\t\tself.setContent(_itemHolders[1], _currentItemIndex);\n\t\t\n\t\tself.updateCurrItem();\n\n\t\t_shout('afterInit');\n\n\t\tif(!_isFixedPosition) {\n\n\t\t\t// On all versions of iOS lower than 8.0, we check size of viewport every second.\n\t\t\t// \n\t\t\t// This is done to detect when Safari top & bottom bars appear, \n\t\t\t// as this action doesn't trigger any events (like resize). \n\t\t\t// \n\t\t\t// On iOS8 they fixed this.\n\t\t\t// \n\t\t\t// 10 Nov 2014: iOS 7 usage ~40%. iOS 8 usage 56%.\n\t\t\t\n\t\t\t_updateSizeInterval = setInterval(function() {\n\t\t\t\tif(!_numAnimations && !_isDragging && !_isZooming && (_currZoomLevel === self.currItem.initialZoomLevel)  ) {\n\t\t\t\t\tself.updateSize();\n\t\t\t\t}\n\t\t\t}, 1000);\n\t\t}\n\n\t\tframework.addClass(template, 'pswp--visible');\n\t},\n\n\t// Close the gallery, then destroy it\n\tclose: function() {\n\t\tif(!_isOpen) {\n\t\t\treturn;\n\t\t}\n\n\t\t_isOpen = false;\n\t\t_isDestroying = true;\n\t\t_shout('close');\n\t\t_unbindEvents();\n\n\t\t_showOrHide(self.currItem, null, true, self.destroy);\n\t},\n\n\t// destroys the gallery (unbinds events, cleans up intervals and timeouts to avoid memory leaks)\n\tdestroy: function() {\n\t\t_shout('destroy');\n\n\t\tif(_showOrHideTimeout) {\n\t\t\tclearTimeout(_showOrHideTimeout);\n\t\t}\n\t\t\n\t\ttemplate.setAttribute('aria-hidden', 'true');\n\t\ttemplate.className = _initalClassName;\n\n\t\tif(_updateSizeInterval) {\n\t\t\tclearInterval(_updateSizeInterval);\n\t\t}\n\n\t\tframework.unbind(self.scrollWrap, _downEvents, self);\n\n\t\t// we unbind scroll event at the end, as closing animation may depend on it\n\t\tframework.unbind(window, 'scroll', self);\n\n\t\t_stopDragUpdateLoop();\n\n\t\t_stopAllAnimations();\n\n\t\t_listeners = null;\n\t},\n\n\t/**\n\t * Pan image to position\n\t * @param {Number} x     \n\t * @param {Number} y     \n\t * @param {Boolean} force Will ignore bounds if set to true.\n\t */\n\tpanTo: function(x,y,force) {\n\t\tif(!force) {\n\t\t\tif(x > _currPanBounds.min.x) {\n\t\t\t\tx = _currPanBounds.min.x;\n\t\t\t} else if(x < _currPanBounds.max.x) {\n\t\t\t\tx = _currPanBounds.max.x;\n\t\t\t}\n\n\t\t\tif(y > _currPanBounds.min.y) {\n\t\t\t\ty = _currPanBounds.min.y;\n\t\t\t} else if(y < _currPanBounds.max.y) {\n\t\t\t\ty = _currPanBounds.max.y;\n\t\t\t}\n\t\t}\n\t\t\n\t\t_panOffset.x = x;\n\t\t_panOffset.y = y;\n\t\t_applyCurrentZoomPan();\n\t},\n\t\n\thandleEvent: function (e) {\n\t\te = e || window.event;\n\t\tif(_globalEventHandlers[e.type]) {\n\t\t\t_globalEventHandlers[e.type](e);\n\t\t}\n\t},\n\n\n\tgoTo: function(index) {\n\n\t\tindex = _getLoopedId(index);\n\n\t\tvar diff = index - _currentItemIndex;\n\t\t_indexDiff = diff;\n\n\t\t_currentItemIndex = index;\n\t\tself.currItem = _getItemAt( _currentItemIndex );\n\t\t_currPositionIndex -= diff;\n\t\t\n\t\t_moveMainScroll(_slideSize.x * _currPositionIndex);\n\t\t\n\n\t\t_stopAllAnimations();\n\t\t_mainScrollAnimating = false;\n\n\t\tself.updateCurrItem();\n\t},\n\tnext: function() {\n\t\tself.goTo( _currentItemIndex + 1);\n\t},\n\tprev: function() {\n\t\tself.goTo( _currentItemIndex - 1);\n\t},\n\n\t// update current zoom/pan objects\n\tupdateCurrZoomItem: function(emulateSetContent) {\n\t\tif(emulateSetContent) {\n\t\t\t_shout('beforeChange', 0);\n\t\t}\n\n\t\t// itemHolder[1] is middle (current) item\n\t\tif(_itemHolders[1].el.children.length) {\n\t\t\tvar zoomElement = _itemHolders[1].el.children[0];\n\t\t\tif( framework.hasClass(zoomElement, 'pswp__zoom-wrap') ) {\n\t\t\t\t_currZoomElementStyle = zoomElement.style;\n\t\t\t} else {\n\t\t\t\t_currZoomElementStyle = null;\n\t\t\t}\n\t\t} else {\n\t\t\t_currZoomElementStyle = null;\n\t\t}\n\t\t\n\t\t_currPanBounds = self.currItem.bounds;\t\n\t\t_startZoomLevel = _currZoomLevel = self.currItem.initialZoomLevel;\n\n\t\t_panOffset.x = _currPanBounds.center.x;\n\t\t_panOffset.y = _currPanBounds.center.y;\n\n\t\tif(emulateSetContent) {\n\t\t\t_shout('afterChange');\n\t\t}\n\t},\n\n\n\tinvalidateCurrItems: function() {\n\t\t_itemsNeedUpdate = true;\n\t\tfor(var i = 0; i < NUM_HOLDERS; i++) {\n\t\t\tif( _itemHolders[i].item ) {\n\t\t\t\t_itemHolders[i].item.needsUpdate = true;\n\t\t\t}\n\t\t}\n\t},\n\n\tupdateCurrItem: function(beforeAnimation) {\n\n\t\tif(_indexDiff === 0) {\n\t\t\treturn;\n\t\t}\n\n\t\tvar diffAbs = Math.abs(_indexDiff),\n\t\t\ttempHolder;\n\n\t\tif(beforeAnimation && diffAbs < 2) {\n\t\t\treturn;\n\t\t}\n\n\n\t\tself.currItem = _getItemAt( _currentItemIndex );\n\t\t_renderMaxResolution = false;\n\t\t\n\t\t_shout('beforeChange', _indexDiff);\n\n\t\tif(diffAbs >= NUM_HOLDERS) {\n\t\t\t_containerShiftIndex += _indexDiff + (_indexDiff > 0 ? -NUM_HOLDERS : NUM_HOLDERS);\n\t\t\tdiffAbs = NUM_HOLDERS;\n\t\t}\n\t\tfor(var i = 0; i < diffAbs; i++) {\n\t\t\tif(_indexDiff > 0) {\n\t\t\t\ttempHolder = _itemHolders.shift();\n\t\t\t\t_itemHolders[NUM_HOLDERS-1] = tempHolder; // move first to last\n\n\t\t\t\t_containerShiftIndex++;\n\t\t\t\t_setTranslateX( (_containerShiftIndex+2) * _slideSize.x, tempHolder.el.style);\n\t\t\t\tself.setContent(tempHolder, _currentItemIndex - diffAbs + i + 1 + 1);\n\t\t\t} else {\n\t\t\t\ttempHolder = _itemHolders.pop();\n\t\t\t\t_itemHolders.unshift( tempHolder ); // move last to first\n\n\t\t\t\t_containerShiftIndex--;\n\t\t\t\t_setTranslateX( _containerShiftIndex * _slideSize.x, tempHolder.el.style);\n\t\t\t\tself.setContent(tempHolder, _currentItemIndex + diffAbs - i - 1 - 1);\n\t\t\t}\n\t\t\t\n\t\t}\n\n\t\t// reset zoom/pan on previous item\n\t\tif(_currZoomElementStyle && Math.abs(_indexDiff) === 1) {\n\n\t\t\tvar prevItem = _getItemAt(_prevItemIndex);\n\t\t\tif(prevItem.initialZoomLevel !== _currZoomLevel) {\n\t\t\t\t_calculateItemSize(prevItem , _viewportSize );\n\t\t\t\t_setImageSize(prevItem);\n\t\t\t\t_applyZoomPanToItem( prevItem ); \t\t\t\t\n\t\t\t}\n\n\t\t}\n\n\t\t// reset diff after update\n\t\t_indexDiff = 0;\n\n\t\tself.updateCurrZoomItem();\n\n\t\t_prevItemIndex = _currentItemIndex;\n\n\t\t_shout('afterChange');\n\t\t\n\t},\n\n\n\n\tupdateSize: function(force) {\n\t\t\n\t\tif(!_isFixedPosition && _options.modal) {\n\t\t\tvar windowScrollY = framework.getScrollY();\n\t\t\tif(_currentWindowScrollY !== windowScrollY) {\n\t\t\t\ttemplate.style.top = windowScrollY + 'px';\n\t\t\t\t_currentWindowScrollY = windowScrollY;\n\t\t\t}\n\t\t\tif(!force && _windowVisibleSize.x === window.innerWidth && _windowVisibleSize.y === window.innerHeight) {\n\t\t\t\treturn;\n\t\t\t}\n\t\t\t_windowVisibleSize.x = window.innerWidth;\n\t\t\t_windowVisibleSize.y = window.innerHeight;\n\n\t\t\t//template.style.width = _windowVisibleSize.x + 'px';\n\t\t\ttemplate.style.height = _windowVisibleSize.y + 'px';\n\t\t}\n\n\n\n\t\t_viewportSize.x = self.scrollWrap.clientWidth;\n\t\t_viewportSize.y = self.scrollWrap.clientHeight;\n\n\t\t_updatePageScrollOffset();\n\n\t\t_slideSize.x = _viewportSize.x + Math.round(_viewportSize.x * _options.spacing);\n\t\t_slideSize.y = _viewportSize.y;\n\n\t\t_moveMainScroll(_slideSize.x * _currPositionIndex);\n\n\t\t_shout('beforeResize'); // even may be used for example to switch image sources\n\n\n\t\t// don't re-calculate size on inital size update\n\t\tif(_containerShiftIndex !== undefined) {\n\n\t\t\tvar holder,\n\t\t\t\titem,\n\t\t\t\thIndex;\n\n\t\t\tfor(var i = 0; i < NUM_HOLDERS; i++) {\n\t\t\t\tholder = _itemHolders[i];\n\t\t\t\t_setTranslateX( (i+_containerShiftIndex) * _slideSize.x, holder.el.style);\n\n\t\t\t\thIndex = _currentItemIndex+i-1;\n\n\t\t\t\tif(_options.loop && _getNumItems() > 2) {\n\t\t\t\t\thIndex = _getLoopedId(hIndex);\n\t\t\t\t}\n\n\t\t\t\t// update zoom level on items and refresh source (if needsUpdate)\n\t\t\t\titem = _getItemAt( hIndex );\n\n\t\t\t\t// re-render gallery item if `needsUpdate`,\n\t\t\t\t// or doesn't have `bounds` (entirely new slide object)\n\t\t\t\tif( item && (_itemsNeedUpdate || item.needsUpdate || !item.bounds) ) {\n\n\t\t\t\t\tself.cleanSlide( item );\n\t\t\t\t\t\n\t\t\t\t\tself.setContent( holder, hIndex );\n\n\t\t\t\t\t// if \"center\" slide\n\t\t\t\t\tif(i === 1) {\n\t\t\t\t\t\tself.currItem = item;\n\t\t\t\t\t\tself.updateCurrZoomItem(true);\n\t\t\t\t\t}\n\n\t\t\t\t\titem.needsUpdate = false;\n\n\t\t\t\t} else if(holder.index === -1 && hIndex >= 0) {\n\t\t\t\t\t// add content first time\n\t\t\t\t\tself.setContent( holder, hIndex );\n\t\t\t\t}\n\t\t\t\tif(item && item.container) {\n\t\t\t\t\t_calculateItemSize(item, _viewportSize);\n\t\t\t\t\t_setImageSize(item);\n\t\t\t\t\t_applyZoomPanToItem( item );\n\t\t\t\t}\n\t\t\t\t\n\t\t\t}\n\t\t\t_itemsNeedUpdate = false;\n\t\t}\t\n\n\t\t_startZoomLevel = _currZoomLevel = self.currItem.initialZoomLevel;\n\t\t_currPanBounds = self.currItem.bounds;\n\n\t\tif(_currPanBounds) {\n\t\t\t_panOffset.x = _currPanBounds.center.x;\n\t\t\t_panOffset.y = _currPanBounds.center.y;\n\t\t\t_applyCurrentZoomPan( true );\n\t\t}\n\t\t\n\t\t_shout('resize');\n\t},\n\t\n\t// Zoom current item to\n\tzoomTo: function(destZoomLevel, centerPoint, speed, easingFn, updateFn) {\n\t\t/*\n\t\t\tif(destZoomLevel === 'fit') {\n\t\t\t\tdestZoomLevel = self.currItem.fitRatio;\n\t\t\t} else if(destZoomLevel === 'fill') {\n\t\t\t\tdestZoomLevel = self.currItem.fillRatio;\n\t\t\t}\n\t\t*/\n\n\t\tif(centerPoint) {\n\t\t\t_startZoomLevel = _currZoomLevel;\n\t\t\t_midZoomPoint.x = Math.abs(centerPoint.x) - _panOffset.x ;\n\t\t\t_midZoomPoint.y = Math.abs(centerPoint.y) - _panOffset.y ;\n\t\t\t_equalizePoints(_startPanOffset, _panOffset);\n\t\t}\n\n\t\tvar destPanBounds = _calculatePanBounds(destZoomLevel, false),\n\t\t\tdestPanOffset = {};\n\n\t\t_modifyDestPanOffset('x', destPanBounds, destPanOffset, destZoomLevel);\n\t\t_modifyDestPanOffset('y', destPanBounds, destPanOffset, destZoomLevel);\n\n\t\tvar initialZoomLevel = _currZoomLevel;\n\t\tvar initialPanOffset = {\n\t\t\tx: _panOffset.x,\n\t\t\ty: _panOffset.y\n\t\t};\n\n\t\t_roundPoint(destPanOffset);\n\n\t\tvar onUpdate = function(now) {\n\t\t\tif(now === 1) {\n\t\t\t\t_currZoomLevel = destZoomLevel;\n\t\t\t\t_panOffset.x = destPanOffset.x;\n\t\t\t\t_panOffset.y = destPanOffset.y;\n\t\t\t} else {\n\t\t\t\t_currZoomLevel = (destZoomLevel - initialZoomLevel) * now + initialZoomLevel;\n\t\t\t\t_panOffset.x = (destPanOffset.x - initialPanOffset.x) * now + initialPanOffset.x;\n\t\t\t\t_panOffset.y = (destPanOffset.y - initialPanOffset.y) * now + initialPanOffset.y;\n\t\t\t}\n\n\t\t\tif(updateFn) {\n\t\t\t\tupdateFn(now);\n\t\t\t}\n\n\t\t\t_applyCurrentZoomPan( now === 1 );\n\t\t};\n\n\t\tif(speed) {\n\t\t\t_animateProp('customZoomTo', 0, 1, speed, easingFn || framework.easing.sine.inOut, onUpdate);\n\t\t} else {\n\t\t\tonUpdate(1);\n\t\t}\n\t}\n\n\n};\n\n\n/*>>core*/\n\n/*>>gestures*/\n/**\n * Mouse/touch/pointer event handlers.\n * \n * separated from @core.js for readability\n */\n\nvar MIN_SWIPE_DISTANCE = 30,\n\tDIRECTION_CHECK_OFFSET = 10; // amount of pixels to drag to determine direction of swipe\n\nvar _gestureStartTime,\n\t_gestureCheckSpeedTime,\n\n\t// pool of objects that are used during dragging of zooming\n\tp = {}, // first point\n\tp2 = {}, // second point (for zoom gesture)\n\tdelta = {},\n\t_currPoint = {},\n\t_startPoint = {},\n\t_currPointers = [],\n\t_startMainScrollPos = {},\n\t_releaseAnimData,\n\t_posPoints = [], // array of points during dragging, used to determine type of gesture\n\t_tempPoint = {},\n\n\t_isZoomingIn,\n\t_verticalDragInitiated,\n\t_oldAndroidTouchEndTimeout,\n\t_currZoomedItemIndex = 0,\n\t_centerPoint = _getEmptyPoint(),\n\t_lastReleaseTime = 0,\n\t_isDragging, // at least one pointer is down\n\t_isMultitouch, // at least two _pointers are down\n\t_zoomStarted, // zoom level changed during zoom gesture\n\t_moved,\n\t_dragAnimFrame,\n\t_mainScrollShifted,\n\t_currentPoints, // array of current touch points\n\t_isZooming,\n\t_currPointsDistance,\n\t_startPointsDistance,\n\t_currPanBounds,\n\t_mainScrollPos = _getEmptyPoint(),\n\t_currZoomElementStyle,\n\t_mainScrollAnimating, // true, if animation after swipe gesture is running\n\t_midZoomPoint = _getEmptyPoint(),\n\t_currCenterPoint = _getEmptyPoint(),\n\t_direction,\n\t_isFirstMove,\n\t_opacityChanged,\n\t_bgOpacity,\n\t_wasOverInitialZoom,\n\n\t_isEqualPoints = function(p1, p2) {\n\t\treturn p1.x === p2.x && p1.y === p2.y;\n\t},\n\t_isNearbyPoints = function(touch0, touch1) {\n\t\treturn Math.abs(touch0.x - touch1.x) < DOUBLE_TAP_RADIUS && Math.abs(touch0.y - touch1.y) < DOUBLE_TAP_RADIUS;\n\t},\n\t_calculatePointsDistance = function(p1, p2) {\n\t\t_tempPoint.x = Math.abs( p1.x - p2.x );\n\t\t_tempPoint.y = Math.abs( p1.y - p2.y );\n\t\treturn Math.sqrt(_tempPoint.x * _tempPoint.x + _tempPoint.y * _tempPoint.y);\n\t},\n\t_stopDragUpdateLoop = function() {\n\t\tif(_dragAnimFrame) {\n\t\t\t_cancelAF(_dragAnimFrame);\n\t\t\t_dragAnimFrame = null;\n\t\t}\n\t},\n\t_dragUpdateLoop = function() {\n\t\tif(_isDragging) {\n\t\t\t_dragAnimFrame = _requestAF(_dragUpdateLoop);\n\t\t\t_renderMovement();\n\t\t}\n\t},\n\t_canPan = function() {\n\t\treturn !(_options.scaleMode === 'fit' && _currZoomLevel ===  self.currItem.initialZoomLevel);\n\t},\n\t\n\t// find the closest parent DOM element\n\t_closestElement = function(el, fn) {\n\t  \tif(!el || el === document) {\n\t  \t\treturn false;\n\t  \t}\n\n\t  \t// don't search elements above pswp__scroll-wrap\n\t  \tif(el.getAttribute('class') && el.getAttribute('class').indexOf('pswp__scroll-wrap') > -1 ) {\n\t  \t\treturn false;\n\t  \t}\n\n\t  \tif( fn(el) ) {\n\t  \t\treturn el;\n\t  \t}\n\n\t  \treturn _closestElement(el.parentNode, fn);\n\t},\n\n\t_preventObj = {},\n\t_preventDefaultEventBehaviour = function(e, isDown) {\n\t    _preventObj.prevent = !_closestElement(e.target, _options.isClickableElement);\n\n\t\t_shout('preventDragEvent', e, isDown, _preventObj);\n\t\treturn _preventObj.prevent;\n\n\t},\n\t_convertTouchToPoint = function(touch, p) {\n\t\tp.x = touch.pageX;\n\t\tp.y = touch.pageY;\n\t\tp.id = touch.identifier;\n\t\treturn p;\n\t},\n\t_findCenterOfPoints = function(p1, p2, pCenter) {\n\t\tpCenter.x = (p1.x + p2.x) * 0.5;\n\t\tpCenter.y = (p1.y + p2.y) * 0.5;\n\t},\n\t_pushPosPoint = function(time, x, y) {\n\t\tif(time - _gestureCheckSpeedTime > 50) {\n\t\t\tvar o = _posPoints.length > 2 ? _posPoints.shift() : {};\n\t\t\to.x = x;\n\t\t\to.y = y; \n\t\t\t_posPoints.push(o);\n\t\t\t_gestureCheckSpeedTime = time;\n\t\t}\n\t},\n\n\t_calculateVerticalDragOpacityRatio = function() {\n\t\tvar yOffset = _panOffset.y - self.currItem.initialPosition.y; // difference between initial and current position\n\t\treturn 1 -  Math.abs( yOffset / (_viewportSize.y / 2)  );\n\t},\n\n\t\n\t// points pool, reused during touch events\n\t_ePoint1 = {},\n\t_ePoint2 = {},\n\t_tempPointsArr = [],\n\t_tempCounter,\n\t_getTouchPoints = function(e) {\n\t\t// clean up previous points, without recreating array\n\t\twhile(_tempPointsArr.length > 0) {\n\t\t\t_tempPointsArr.pop();\n\t\t}\n\n\t\tif(!_pointerEventEnabled) {\n\t\t\tif(e.type.indexOf('touch') > -1) {\n\n\t\t\t\tif(e.touches && e.touches.length > 0) {\n\t\t\t\t\t_tempPointsArr[0] = _convertTouchToPoint(e.touches[0], _ePoint1);\n\t\t\t\t\tif(e.touches.length > 1) {\n\t\t\t\t\t\t_tempPointsArr[1] = _convertTouchToPoint(e.touches[1], _ePoint2);\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t\t\n\t\t\t} else {\n\t\t\t\t_ePoint1.x = e.pageX;\n\t\t\t\t_ePoint1.y = e.pageY;\n\t\t\t\t_ePoint1.id = '';\n\t\t\t\t_tempPointsArr[0] = _ePoint1;//_ePoint1;\n\t\t\t}\n\t\t} else {\n\t\t\t_tempCounter = 0;\n\t\t\t// we can use forEach, as pointer events are supported only in modern browsers\n\t\t\t_currPointers.forEach(function(p) {\n\t\t\t\tif(_tempCounter === 0) {\n\t\t\t\t\t_tempPointsArr[0] = p;\n\t\t\t\t} else if(_tempCounter === 1) {\n\t\t\t\t\t_tempPointsArr[1] = p;\n\t\t\t\t}\n\t\t\t\t_tempCounter++;\n\n\t\t\t});\n\t\t}\n\t\treturn _tempPointsArr;\n\t},\n\n\t_panOrMoveMainScroll = function(axis, delta) {\n\n\t\tvar panFriction,\n\t\t\toverDiff = 0,\n\t\t\tnewOffset = _panOffset[axis] + delta[axis],\n\t\t\tstartOverDiff,\n\t\t\tdir = delta[axis] > 0,\n\t\t\tnewMainScrollPosition = _mainScrollPos.x + delta.x,\n\t\t\tmainScrollDiff = _mainScrollPos.x - _startMainScrollPos.x,\n\t\t\tnewPanPos,\n\t\t\tnewMainScrollPos;\n\n\t\t// calculate fdistance over the bounds and friction\n\t\tif(newOffset > _currPanBounds.min[axis] || newOffset < _currPanBounds.max[axis]) {\n\t\t\tpanFriction = _options.panEndFriction;\n\t\t\t// Linear increasing of friction, so at 1/4 of viewport it's at max value. \n\t\t\t// Looks not as nice as was expected. Left for history.\n\t\t\t// panFriction = (1 - (_panOffset[axis] + delta[axis] + panBounds.min[axis]) / (_viewportSize[axis] / 4) );\n\t\t} else {\n\t\t\tpanFriction = 1;\n\t\t}\n\t\t\n\t\tnewOffset = _panOffset[axis] + delta[axis] * panFriction;\n\n\t\t// move main scroll or start panning\n\t\tif(_options.allowPanToNext || _currZoomLevel === self.currItem.initialZoomLevel) {\n\n\n\t\t\tif(!_currZoomElementStyle) {\n\t\t\t\t\n\t\t\t\tnewMainScrollPos = newMainScrollPosition;\n\n\t\t\t} else if(_direction === 'h' && axis === 'x' && !_zoomStarted ) {\n\t\t\t\t\n\t\t\t\tif(dir) {\n\t\t\t\t\tif(newOffset > _currPanBounds.min[axis]) {\n\t\t\t\t\t\tpanFriction = _options.panEndFriction;\n\t\t\t\t\t\toverDiff = _currPanBounds.min[axis] - newOffset;\n\t\t\t\t\t\tstartOverDiff = _currPanBounds.min[axis] - _startPanOffset[axis];\n\t\t\t\t\t}\n\t\t\t\t\t\n\t\t\t\t\t// drag right\n\t\t\t\t\tif( (startOverDiff <= 0 || mainScrollDiff < 0) && _getNumItems() > 1 ) {\n\t\t\t\t\t\tnewMainScrollPos = newMainScrollPosition;\n\t\t\t\t\t\tif(mainScrollDiff < 0 && newMainScrollPosition > _startMainScrollPos.x) {\n\t\t\t\t\t\t\tnewMainScrollPos = _startMainScrollPos.x;\n\t\t\t\t\t\t}\n\t\t\t\t\t} else {\n\t\t\t\t\t\tif(_currPanBounds.min.x !== _currPanBounds.max.x) {\n\t\t\t\t\t\t\tnewPanPos = newOffset;\n\t\t\t\t\t\t}\n\t\t\t\t\t\t\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\tif(newOffset < _currPanBounds.max[axis] ) {\n\t\t\t\t\t\tpanFriction =_options.panEndFriction;\n\t\t\t\t\t\toverDiff = newOffset - _currPanBounds.max[axis];\n\t\t\t\t\t\tstartOverDiff = _startPanOffset[axis] - _currPanBounds.max[axis];\n\t\t\t\t\t}\n\n\t\t\t\t\tif( (startOverDiff <= 0 || mainScrollDiff > 0) && _getNumItems() > 1 ) {\n\t\t\t\t\t\tnewMainScrollPos = newMainScrollPosition;\n\n\t\t\t\t\t\tif(mainScrollDiff > 0 && newMainScrollPosition < _startMainScrollPos.x) {\n\t\t\t\t\t\t\tnewMainScrollPos = _startMainScrollPos.x;\n\t\t\t\t\t\t}\n\n\t\t\t\t\t} else {\n\t\t\t\t\t\tif(_currPanBounds.min.x !== _currPanBounds.max.x) {\n\t\t\t\t\t\t\tnewPanPos = newOffset;\n\t\t\t\t\t\t}\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\n\t\t\t\t//\n\t\t\t}\n\n\t\t\tif(axis === 'x') {\n\n\t\t\t\tif(newMainScrollPos !== undefined) {\n\t\t\t\t\t_moveMainScroll(newMainScrollPos, true);\n\t\t\t\t\tif(newMainScrollPos === _startMainScrollPos.x) {\n\t\t\t\t\t\t_mainScrollShifted = false;\n\t\t\t\t\t} else {\n\t\t\t\t\t\t_mainScrollShifted = true;\n\t\t\t\t\t}\n\t\t\t\t}\n\n\t\t\t\tif(_currPanBounds.min.x !== _currPanBounds.max.x) {\n\t\t\t\t\tif(newPanPos !== undefined) {\n\t\t\t\t\t\t_panOffset.x = newPanPos;\n\t\t\t\t\t} else if(!_mainScrollShifted) {\n\t\t\t\t\t\t_panOffset.x += delta.x * panFriction;\n\t\t\t\t\t}\n\t\t\t\t}\n\n\t\t\t\treturn newMainScrollPos !== undefined;\n\t\t\t}\n\n\t\t}\n\n\t\tif(!_mainScrollAnimating) {\n\t\t\t\n\t\t\tif(!_mainScrollShifted) {\n\t\t\t\tif(_currZoomLevel > self.currItem.fitRatio) {\n\t\t\t\t\t_panOffset[axis] += delta[axis] * panFriction;\n\t\t\t\t\n\t\t\t\t}\n\t\t\t}\n\n\t\t\t\n\t\t}\n\t\t\n\t},\n\n\t// Pointerdown/touchstart/mousedown handler\n\t_onDragStart = function(e) {\n\n\t\t// Allow dragging only via left mouse button.\n\t\t// As this handler is not added in IE8 - we ignore e.which\n\t\t// \n\t\t// http://www.quirksmode.org/js/events_properties.html\n\t\t// https://developer.mozilla.org/en-US/docs/Web/API/event.button\n\t\tif(e.type === 'mousedown' && e.button > 0  ) {\n\t\t\treturn;\n\t\t}\n\n\t\tif(_initialZoomRunning) {\n\t\t\te.preventDefault();\n\t\t\treturn;\n\t\t}\n\n\t\tif(_oldAndroidTouchEndTimeout && e.type === 'mousedown') {\n\t\t\treturn;\n\t\t}\n\n\t\tif(_preventDefaultEventBehaviour(e, true)) {\n\t\t\te.preventDefault();\n\t\t}\n\n\n\n\t\t_shout('pointerDown');\n\n\t\tif(_pointerEventEnabled) {\n\t\t\tvar pointerIndex = framework.arraySearch(_currPointers, e.pointerId, 'id');\n\t\t\tif(pointerIndex < 0) {\n\t\t\t\tpointerIndex = _currPointers.length;\n\t\t\t}\n\t\t\t_currPointers[pointerIndex] = {x:e.pageX, y:e.pageY, id: e.pointerId};\n\t\t}\n\t\t\n\n\n\t\tvar startPointsList = _getTouchPoints(e),\n\t\t\tnumPoints = startPointsList.length;\n\n\t\t_currentPoints = null;\n\n\t\t_stopAllAnimations();\n\n\t\t// init drag\n\t\tif(!_isDragging || numPoints === 1) {\n\n\t\t\t\n\n\t\t\t_isDragging = _isFirstMove = true;\n\t\t\tframework.bind(window, _upMoveEvents, self);\n\n\t\t\t_isZoomingIn = \n\t\t\t\t_wasOverInitialZoom = \n\t\t\t\t_opacityChanged = \n\t\t\t\t_verticalDragInitiated = \n\t\t\t\t_mainScrollShifted = \n\t\t\t\t_moved = \n\t\t\t\t_isMultitouch = \n\t\t\t\t_zoomStarted = false;\n\n\t\t\t_direction = null;\n\n\t\t\t_shout('firstTouchStart', startPointsList);\n\n\t\t\t_equalizePoints(_startPanOffset, _panOffset);\n\n\t\t\t_currPanDist.x = _currPanDist.y = 0;\n\t\t\t_equalizePoints(_currPoint, startPointsList[0]);\n\t\t\t_equalizePoints(_startPoint, _currPoint);\n\n\t\t\t//_equalizePoints(_startMainScrollPos, _mainScrollPos);\n\t\t\t_startMainScrollPos.x = _slideSize.x * _currPositionIndex;\n\n\t\t\t_posPoints = [{\n\t\t\t\tx: _currPoint.x,\n\t\t\t\ty: _currPoint.y\n\t\t\t}];\n\n\t\t\t_gestureCheckSpeedTime = _gestureStartTime = _getCurrentTime();\n\n\t\t\t//_mainScrollAnimationEnd(true);\n\t\t\t_calculatePanBounds( _currZoomLevel, true );\n\t\t\t\n\t\t\t// Start rendering\n\t\t\t_stopDragUpdateLoop();\n\t\t\t_dragUpdateLoop();\n\t\t\t\n\t\t}\n\n\t\t// init zoom\n\t\tif(!_isZooming && numPoints > 1 && !_mainScrollAnimating && !_mainScrollShifted) {\n\t\t\t_startZoomLevel = _currZoomLevel;\n\t\t\t_zoomStarted = false; // true if zoom changed at least once\n\n\t\t\t_isZooming = _isMultitouch = true;\n\t\t\t_currPanDist.y = _currPanDist.x = 0;\n\n\t\t\t_equalizePoints(_startPanOffset, _panOffset);\n\n\t\t\t_equalizePoints(p, startPointsList[0]);\n\t\t\t_equalizePoints(p2, startPointsList[1]);\n\n\t\t\t_findCenterOfPoints(p, p2, _currCenterPoint);\n\n\t\t\t_midZoomPoint.x = Math.abs(_currCenterPoint.x) - _panOffset.x;\n\t\t\t_midZoomPoint.y = Math.abs(_currCenterPoint.y) - _panOffset.y;\n\t\t\t_currPointsDistance = _startPointsDistance = _calculatePointsDistance(p, p2);\n\t\t}\n\n\n\t},\n\n\t// Pointermove/touchmove/mousemove handler\n\t_onDragMove = function(e) {\n\n\t\te.preventDefault();\n\n\t\tif(_pointerEventEnabled) {\n\t\t\tvar pointerIndex = framework.arraySearch(_currPointers, e.pointerId, 'id');\n\t\t\tif(pointerIndex > -1) {\n\t\t\t\tvar p = _currPointers[pointerIndex];\n\t\t\t\tp.x = e.pageX;\n\t\t\t\tp.y = e.pageY; \n\t\t\t}\n\t\t}\n\n\t\tif(_isDragging) {\n\t\t\tvar touchesList = _getTouchPoints(e);\n\t\t\tif(!_direction && !_moved && !_isZooming) {\n\n\t\t\t\tif(_mainScrollPos.x !== _slideSize.x * _currPositionIndex) {\n\t\t\t\t\t// if main scroll position is shifted – direction is always horizontal\n\t\t\t\t\t_direction = 'h';\n\t\t\t\t} else {\n\t\t\t\t\tvar diff = Math.abs(touchesList[0].x - _currPoint.x) - Math.abs(touchesList[0].y - _currPoint.y);\n\t\t\t\t\t// check the direction of movement\n\t\t\t\t\tif(Math.abs(diff) >= DIRECTION_CHECK_OFFSET) {\n\t\t\t\t\t\t_direction = diff > 0 ? 'h' : 'v';\n\t\t\t\t\t\t_currentPoints = touchesList;\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t\t\n\t\t\t} else {\n\t\t\t\t_currentPoints = touchesList;\n\t\t\t}\n\t\t}\t\n\t},\n\t// \n\t_renderMovement =  function() {\n\n\t\tif(!_currentPoints) {\n\t\t\treturn;\n\t\t}\n\n\t\tvar numPoints = _currentPoints.length;\n\n\t\tif(numPoints === 0) {\n\t\t\treturn;\n\t\t}\n\n\t\t_equalizePoints(p, _currentPoints[0]);\n\n\t\tdelta.x = p.x - _currPoint.x;\n\t\tdelta.y = p.y - _currPoint.y;\n\n\t\tif(_isZooming && numPoints > 1) {\n\t\t\t// Handle behaviour for more than 1 point\n\n\t\t\t_currPoint.x = p.x;\n\t\t\t_currPoint.y = p.y;\n\t\t\n\t\t\t// check if one of two points changed\n\t\t\tif( !delta.x && !delta.y && _isEqualPoints(_currentPoints[1], p2) ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\t_equalizePoints(p2, _currentPoints[1]);\n\n\n\t\t\tif(!_zoomStarted) {\n\t\t\t\t_zoomStarted = true;\n\t\t\t\t_shout('zoomGestureStarted');\n\t\t\t}\n\t\t\t\n\t\t\t// Distance between two points\n\t\t\tvar pointsDistance = _calculatePointsDistance(p,p2);\n\n\t\t\tvar zoomLevel = _calculateZoomLevel(pointsDistance);\n\n\t\t\t// slightly over the of initial zoom level\n\t\t\tif(zoomLevel > self.currItem.initialZoomLevel + self.currItem.initialZoomLevel / 15) {\n\t\t\t\t_wasOverInitialZoom = true;\n\t\t\t}\n\n\t\t\t// Apply the friction if zoom level is out of the bounds\n\t\t\tvar zoomFriction = 1,\n\t\t\t\tminZoomLevel = _getMinZoomLevel(),\n\t\t\t\tmaxZoomLevel = _getMaxZoomLevel();\n\n\t\t\tif ( zoomLevel < minZoomLevel ) {\n\t\t\t\t\n\t\t\t\tif(_options.pinchToClose && !_wasOverInitialZoom && _startZoomLevel <= self.currItem.initialZoomLevel) {\n\t\t\t\t\t// fade out background if zooming out\n\t\t\t\t\tvar minusDiff = minZoomLevel - zoomLevel;\n\t\t\t\t\tvar percent = 1 - minusDiff / (minZoomLevel / 1.2);\n\n\t\t\t\t\t_applyBgOpacity(percent);\n\t\t\t\t\t_shout('onPinchClose', percent);\n\t\t\t\t\t_opacityChanged = true;\n\t\t\t\t} else {\n\t\t\t\t\tzoomFriction = (minZoomLevel - zoomLevel) / minZoomLevel;\n\t\t\t\t\tif(zoomFriction > 1) {\n\t\t\t\t\t\tzoomFriction = 1;\n\t\t\t\t\t}\n\t\t\t\t\tzoomLevel = minZoomLevel - zoomFriction * (minZoomLevel / 3);\n\t\t\t\t}\n\t\t\t\t\n\t\t\t} else if ( zoomLevel > maxZoomLevel ) {\n\t\t\t\t// 1.5 - extra zoom level above the max. E.g. if max is x6, real max 6 + 1.5 = 7.5\n\t\t\t\tzoomFriction = (zoomLevel - maxZoomLevel) / ( minZoomLevel * 6 );\n\t\t\t\tif(zoomFriction > 1) {\n\t\t\t\t\tzoomFriction = 1;\n\t\t\t\t}\n\t\t\t\tzoomLevel = maxZoomLevel + zoomFriction * minZoomLevel;\n\t\t\t}\n\n\t\t\tif(zoomFriction < 0) {\n\t\t\t\tzoomFriction = 0;\n\t\t\t}\n\n\t\t\t// distance between touch points after friction is applied\n\t\t\t_currPointsDistance = pointsDistance;\n\n\t\t\t// _centerPoint - The point in the middle of two pointers\n\t\t\t_findCenterOfPoints(p, p2, _centerPoint);\n\t\t\n\t\t\t// paning with two pointers pressed\n\t\t\t_currPanDist.x += _centerPoint.x - _currCenterPoint.x;\n\t\t\t_currPanDist.y += _centerPoint.y - _currCenterPoint.y;\n\t\t\t_equalizePoints(_currCenterPoint, _centerPoint);\n\n\t\t\t_panOffset.x = _calculatePanOffset('x', zoomLevel);\n\t\t\t_panOffset.y = _calculatePanOffset('y', zoomLevel);\n\n\t\t\t_isZoomingIn = zoomLevel > _currZoomLevel;\n\t\t\t_currZoomLevel = zoomLevel;\n\t\t\t_applyCurrentZoomPan();\n\n\t\t} else {\n\n\t\t\t// handle behaviour for one point (dragging or panning)\n\n\t\t\tif(!_direction) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\tif(_isFirstMove) {\n\t\t\t\t_isFirstMove = false;\n\n\t\t\t\t// subtract drag distance that was used during the detection direction  \n\n\t\t\t\tif( Math.abs(delta.x) >= DIRECTION_CHECK_OFFSET) {\n\t\t\t\t\tdelta.x -= _currentPoints[0].x - _startPoint.x;\n\t\t\t\t}\n\t\t\t\t\n\t\t\t\tif( Math.abs(delta.y) >= DIRECTION_CHECK_OFFSET) {\n\t\t\t\t\tdelta.y -= _currentPoints[0].y - _startPoint.y;\n\t\t\t\t}\n\t\t\t}\n\n\t\t\t_currPoint.x = p.x;\n\t\t\t_currPoint.y = p.y;\n\n\t\t\t// do nothing if pointers position hasn't changed\n\t\t\tif(delta.x === 0 && delta.y === 0) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\tif(_direction === 'v' && _options.closeOnVerticalDrag) {\n\t\t\t\tif(!_canPan()) {\n\t\t\t\t\t_currPanDist.y += delta.y;\n\t\t\t\t\t_panOffset.y += delta.y;\n\n\t\t\t\t\tvar opacityRatio = _calculateVerticalDragOpacityRatio();\n\n\t\t\t\t\t_verticalDragInitiated = true;\n\t\t\t\t\t_shout('onVerticalDrag', opacityRatio);\n\n\t\t\t\t\t_applyBgOpacity(opacityRatio);\n\t\t\t\t\t_applyCurrentZoomPan();\n\t\t\t\t\treturn ;\n\t\t\t\t}\n\t\t\t}\n\n\t\t\t_pushPosPoint(_getCurrentTime(), p.x, p.y);\n\n\t\t\t_moved = true;\n\t\t\t_currPanBounds = self.currItem.bounds;\n\t\t\t\n\t\t\tvar mainScrollChanged = _panOrMoveMainScroll('x', delta);\n\t\t\tif(!mainScrollChanged) {\n\t\t\t\t_panOrMoveMainScroll('y', delta);\n\n\t\t\t\t_roundPoint(_panOffset);\n\t\t\t\t_applyCurrentZoomPan();\n\t\t\t}\n\n\t\t}\n\n\t},\n\t\n\t// Pointerup/pointercancel/touchend/touchcancel/mouseup event handler\n\t_onDragRelease = function(e) {\n\n\t\tif(_features.isOldAndroid ) {\n\n\t\t\tif(_oldAndroidTouchEndTimeout && e.type === 'mouseup') {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\t// on Android (v4.1, 4.2, 4.3 & possibly older) \n\t\t\t// ghost mousedown/up event isn't preventable via e.preventDefault,\n\t\t\t// which causes fake mousedown event\n\t\t\t// so we block mousedown/up for 600ms\n\t\t\tif( e.type.indexOf('touch') > -1 ) {\n\t\t\t\tclearTimeout(_oldAndroidTouchEndTimeout);\n\t\t\t\t_oldAndroidTouchEndTimeout = setTimeout(function() {\n\t\t\t\t\t_oldAndroidTouchEndTimeout = 0;\n\t\t\t\t}, 600);\n\t\t\t}\n\t\t\t\n\t\t}\n\n\t\t_shout('pointerUp');\n\n\t\tif(_preventDefaultEventBehaviour(e, false)) {\n\t\t\te.preventDefault();\n\t\t}\n\n\t\tvar releasePoint;\n\n\t\tif(_pointerEventEnabled) {\n\t\t\tvar pointerIndex = framework.arraySearch(_currPointers, e.pointerId, 'id');\n\t\t\t\n\t\t\tif(pointerIndex > -1) {\n\t\t\t\treleasePoint = _currPointers.splice(pointerIndex, 1)[0];\n\n\t\t\t\tif(navigator.msPointerEnabled) {\n\t\t\t\t\tvar MSPOINTER_TYPES = {\n\t\t\t\t\t\t4: 'mouse', // event.MSPOINTER_TYPE_MOUSE\n\t\t\t\t\t\t2: 'touch', // event.MSPOINTER_TYPE_TOUCH \n\t\t\t\t\t\t3: 'pen' // event.MSPOINTER_TYPE_PEN\n\t\t\t\t\t};\n\t\t\t\t\treleasePoint.type = MSPOINTER_TYPES[e.pointerType];\n\n\t\t\t\t\tif(!releasePoint.type) {\n\t\t\t\t\t\treleasePoint.type = e.pointerType || 'mouse';\n\t\t\t\t\t}\n\t\t\t\t} else {\n\t\t\t\t\treleasePoint.type = e.pointerType || 'mouse';\n\t\t\t\t}\n\n\t\t\t}\n\t\t}\n\n\t\tvar touchList = _getTouchPoints(e),\n\t\t\tgestureType,\n\t\t\tnumPoints = touchList.length;\n\n\t\tif(e.type === 'mouseup') {\n\t\t\tnumPoints = 0;\n\t\t}\n\n\t\t// Do nothing if there were 3 touch points or more\n\t\tif(numPoints === 2) {\n\t\t\t_currentPoints = null;\n\t\t\treturn true;\n\t\t}\n\n\t\t// if second pointer released\n\t\tif(numPoints === 1) {\n\t\t\t_equalizePoints(_startPoint, touchList[0]);\n\t\t}\t\t\t\t\n\n\n\t\t// pointer hasn't moved, send \"tap release\" point\n\t\tif(numPoints === 0 && !_direction && !_mainScrollAnimating) {\n\t\t\tif(!releasePoint) {\n\t\t\t\tif(e.type === 'mouseup') {\n\t\t\t\t\treleasePoint = {x: e.pageX, y: e.pageY, type:'mouse'};\n\t\t\t\t} else if(e.changedTouches && e.changedTouches[0]) {\n\t\t\t\t\treleasePoint = {x: e.changedTouches[0].pageX, y: e.changedTouches[0].pageY, type:'touch'};\n\t\t\t\t}\t\t\n\t\t\t}\n\n\t\t\t_shout('touchRelease', e, releasePoint);\n\t\t}\n\n\t\t// Difference in time between releasing of two last touch points (zoom gesture)\n\t\tvar releaseTimeDiff = -1;\n\n\t\t// Gesture completed, no pointers left\n\t\tif(numPoints === 0) {\n\t\t\t_isDragging = false;\n\t\t\tframework.unbind(window, _upMoveEvents, self);\n\n\t\t\t_stopDragUpdateLoop();\n\n\t\t\tif(_isZooming) {\n\t\t\t\t// Two points released at the same time\n\t\t\t\treleaseTimeDiff = 0;\n\t\t\t} else if(_lastReleaseTime !== -1) {\n\t\t\t\treleaseTimeDiff = _getCurrentTime() - _lastReleaseTime;\n\t\t\t}\n\t\t}\n\t\t_lastReleaseTime = numPoints === 1 ? _getCurrentTime() : -1;\n\t\t\n\t\tif(releaseTimeDiff !== -1 && releaseTimeDiff < 150) {\n\t\t\tgestureType = 'zoom';\n\t\t} else {\n\t\t\tgestureType = 'swipe';\n\t\t}\n\n\t\tif(_isZooming && numPoints < 2) {\n\t\t\t_isZooming = false;\n\n\t\t\t// Only second point released\n\t\t\tif(numPoints === 1) {\n\t\t\t\tgestureType = 'zoomPointerUp';\n\t\t\t}\n\t\t\t_shout('zoomGestureEnded');\n\t\t}\n\n\t\t_currentPoints = null;\n\t\tif(!_moved && !_zoomStarted && !_mainScrollAnimating && !_verticalDragInitiated) {\n\t\t\t// nothing to animate\n\t\t\treturn;\n\t\t}\n\t\n\t\t_stopAllAnimations();\n\n\t\t\n\t\tif(!_releaseAnimData) {\n\t\t\t_releaseAnimData = _initDragReleaseAnimationData();\n\t\t}\n\t\t\n\t\t_releaseAnimData.calculateSwipeSpeed('x');\n\n\n\t\tif(_verticalDragInitiated) {\n\n\t\t\tvar opacityRatio = _calculateVerticalDragOpacityRatio();\n\n\t\t\tif(opacityRatio < _options.verticalDragRange) {\n\t\t\t\tself.close();\n\t\t\t} else {\n\t\t\t\tvar initalPanY = _panOffset.y,\n\t\t\t\t\tinitialBgOpacity = _bgOpacity;\n\n\t\t\t\t_animateProp('verticalDrag', 0, 1, 300, framework.easing.cubic.out, function(now) {\n\t\t\t\t\t\n\t\t\t\t\t_panOffset.y = (self.currItem.initialPosition.y - initalPanY) * now + initalPanY;\n\n\t\t\t\t\t_applyBgOpacity(  (1 - initialBgOpacity) * now + initialBgOpacity );\n\t\t\t\t\t_applyCurrentZoomPan();\n\t\t\t\t});\n\n\t\t\t\t_shout('onVerticalDrag', 1);\n\t\t\t}\n\n\t\t\treturn;\n\t\t}\n\n\n\t\t// main scroll \n\t\tif(  (_mainScrollShifted || _mainScrollAnimating) && numPoints === 0) {\n\t\t\tvar itemChanged = _finishSwipeMainScrollGesture(gestureType, _releaseAnimData);\n\t\t\tif(itemChanged) {\n\t\t\t\treturn;\n\t\t\t}\n\t\t\tgestureType = 'zoomPointerUp';\n\t\t}\n\n\t\t// prevent zoom/pan animation when main scroll animation runs\n\t\tif(_mainScrollAnimating) {\n\t\t\treturn;\n\t\t}\n\t\t\n\t\t// Complete simple zoom gesture (reset zoom level if it's out of the bounds)  \n\t\tif(gestureType !== 'swipe') {\n\t\t\t_completeZoomGesture();\n\t\t\treturn;\n\t\t}\n\t\n\t\t// Complete pan gesture if main scroll is not shifted, and it's possible to pan current image\n\t\tif(!_mainScrollShifted && _currZoomLevel > self.currItem.fitRatio) {\n\t\t\t_completePanGesture(_releaseAnimData);\n\t\t}\n\t},\n\n\n\t// Returns object with data about gesture\n\t// It's created only once and then reused\n\t_initDragReleaseAnimationData  = function() {\n\t\t// temp local vars\n\t\tvar lastFlickDuration,\n\t\t\ttempReleasePos;\n\n\t\t// s = this\n\t\tvar s = {\n\t\t\tlastFlickOffset: {},\n\t\t\tlastFlickDist: {},\n\t\t\tlastFlickSpeed: {},\n\t\t\tslowDownRatio:  {},\n\t\t\tslowDownRatioReverse:  {},\n\t\t\tspeedDecelerationRatio:  {},\n\t\t\tspeedDecelerationRatioAbs:  {},\n\t\t\tdistanceOffset:  {},\n\t\t\tbackAnimDestination: {},\n\t\t\tbackAnimStarted: {},\n\t\t\tcalculateSwipeSpeed: function(axis) {\n\t\t\t\t\n\n\t\t\t\tif( _posPoints.length > 1) {\n\t\t\t\t\tlastFlickDuration = _getCurrentTime() - _gestureCheckSpeedTime + 50;\n\t\t\t\t\ttempReleasePos = _posPoints[_posPoints.length-2][axis];\n\t\t\t\t} else {\n\t\t\t\t\tlastFlickDuration = _getCurrentTime() - _gestureStartTime; // total gesture duration\n\t\t\t\t\ttempReleasePos = _startPoint[axis];\n\t\t\t\t}\n\t\t\t\ts.lastFlickOffset[axis] = _currPoint[axis] - tempReleasePos;\n\t\t\t\ts.lastFlickDist[axis] = Math.abs(s.lastFlickOffset[axis]);\n\t\t\t\tif(s.lastFlickDist[axis] > 20) {\n\t\t\t\t\ts.lastFlickSpeed[axis] = s.lastFlickOffset[axis] / lastFlickDuration;\n\t\t\t\t} else {\n\t\t\t\t\ts.lastFlickSpeed[axis] = 0;\n\t\t\t\t}\n\t\t\t\tif( Math.abs(s.lastFlickSpeed[axis]) < 0.1 ) {\n\t\t\t\t\ts.lastFlickSpeed[axis] = 0;\n\t\t\t\t}\n\t\t\t\t\n\t\t\t\ts.slowDownRatio[axis] = 0.95;\n\t\t\t\ts.slowDownRatioReverse[axis] = 1 - s.slowDownRatio[axis];\n\t\t\t\ts.speedDecelerationRatio[axis] = 1;\n\t\t\t},\n\n\t\t\tcalculateOverBoundsAnimOffset: function(axis, speed) {\n\t\t\t\tif(!s.backAnimStarted[axis]) {\n\n\t\t\t\t\tif(_panOffset[axis] > _currPanBounds.min[axis]) {\n\t\t\t\t\t\ts.backAnimDestination[axis] = _currPanBounds.min[axis];\n\t\t\t\t\t\t\n\t\t\t\t\t} else if(_panOffset[axis] < _currPanBounds.max[axis]) {\n\t\t\t\t\t\ts.backAnimDestination[axis] = _currPanBounds.max[axis];\n\t\t\t\t\t}\n\n\t\t\t\t\tif(s.backAnimDestination[axis] !== undefined) {\n\t\t\t\t\t\ts.slowDownRatio[axis] = 0.7;\n\t\t\t\t\t\ts.slowDownRatioReverse[axis] = 1 - s.slowDownRatio[axis];\n\t\t\t\t\t\tif(s.speedDecelerationRatioAbs[axis] < 0.05) {\n\n\t\t\t\t\t\t\ts.lastFlickSpeed[axis] = 0;\n\t\t\t\t\t\t\ts.backAnimStarted[axis] = true;\n\n\t\t\t\t\t\t\t_animateProp('bounceZoomPan'+axis,_panOffset[axis], \n\t\t\t\t\t\t\t\ts.backAnimDestination[axis], \n\t\t\t\t\t\t\t\tspeed || 300, \n\t\t\t\t\t\t\t\tframework.easing.sine.out, \n\t\t\t\t\t\t\t\tfunction(pos) {\n\t\t\t\t\t\t\t\t\t_panOffset[axis] = pos;\n\t\t\t\t\t\t\t\t\t_applyCurrentZoomPan();\n\t\t\t\t\t\t\t\t}\n\t\t\t\t\t\t\t);\n\n\t\t\t\t\t\t}\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t},\n\n\t\t\t// Reduces the speed by slowDownRatio (per 10ms)\n\t\t\tcalculateAnimOffset: function(axis) {\n\t\t\t\tif(!s.backAnimStarted[axis]) {\n\t\t\t\t\ts.speedDecelerationRatio[axis] = s.speedDecelerationRatio[axis] * (s.slowDownRatio[axis] + \n\t\t\t\t\t\t\t\t\t\t\t\ts.slowDownRatioReverse[axis] - \n\t\t\t\t\t\t\t\t\t\t\t\ts.slowDownRatioReverse[axis] * s.timeDiff / 10);\n\n\t\t\t\t\ts.speedDecelerationRatioAbs[axis] = Math.abs(s.lastFlickSpeed[axis] * s.speedDecelerationRatio[axis]);\n\t\t\t\t\ts.distanceOffset[axis] = s.lastFlickSpeed[axis] * s.speedDecelerationRatio[axis] * s.timeDiff;\n\t\t\t\t\t_panOffset[axis] += s.distanceOffset[axis];\n\n\t\t\t\t}\n\t\t\t},\n\n\t\t\tpanAnimLoop: function() {\n\t\t\t\tif ( _animations.zoomPan ) {\n\t\t\t\t\t_animations.zoomPan.raf = _requestAF(s.panAnimLoop);\n\n\t\t\t\t\ts.now = _getCurrentTime();\n\t\t\t\t\ts.timeDiff = s.now - s.lastNow;\n\t\t\t\t\ts.lastNow = s.now;\n\t\t\t\t\t\n\t\t\t\t\ts.calculateAnimOffset('x');\n\t\t\t\t\ts.calculateAnimOffset('y');\n\n\t\t\t\t\t_applyCurrentZoomPan();\n\t\t\t\t\t\n\t\t\t\t\ts.calculateOverBoundsAnimOffset('x');\n\t\t\t\t\ts.calculateOverBoundsAnimOffset('y');\n\n\n\t\t\t\t\tif (s.speedDecelerationRatioAbs.x < 0.05 && s.speedDecelerationRatioAbs.y < 0.05) {\n\n\t\t\t\t\t\t// round pan position\n\t\t\t\t\t\t_panOffset.x = Math.round(_panOffset.x);\n\t\t\t\t\t\t_panOffset.y = Math.round(_panOffset.y);\n\t\t\t\t\t\t_applyCurrentZoomPan();\n\t\t\t\t\t\t\n\t\t\t\t\t\t_stopAnimation('zoomPan');\n\t\t\t\t\t\treturn;\n\t\t\t\t\t}\n\t\t\t\t}\n\n\t\t\t}\n\t\t};\n\t\treturn s;\n\t},\n\n\t_completePanGesture = function(animData) {\n\t\t// calculate swipe speed for Y axis (paanning)\n\t\tanimData.calculateSwipeSpeed('y');\n\n\t\t_currPanBounds = self.currItem.bounds;\n\t\t\n\t\tanimData.backAnimDestination = {};\n\t\tanimData.backAnimStarted = {};\n\n\t\t// Avoid acceleration animation if speed is too low\n\t\tif(Math.abs(animData.lastFlickSpeed.x) <= 0.05 && Math.abs(animData.lastFlickSpeed.y) <= 0.05 ) {\n\t\t\tanimData.speedDecelerationRatioAbs.x = animData.speedDecelerationRatioAbs.y = 0;\n\n\t\t\t// Run pan drag release animation. E.g. if you drag image and release finger without momentum.\n\t\t\tanimData.calculateOverBoundsAnimOffset('x');\n\t\t\tanimData.calculateOverBoundsAnimOffset('y');\n\t\t\treturn true;\n\t\t}\n\n\t\t// Animation loop that controls the acceleration after pan gesture ends\n\t\t_registerStartAnimation('zoomPan');\n\t\tanimData.lastNow = _getCurrentTime();\n\t\tanimData.panAnimLoop();\n\t},\n\n\n\t_finishSwipeMainScrollGesture = function(gestureType, _releaseAnimData) {\n\t\tvar itemChanged;\n\t\tif(!_mainScrollAnimating) {\n\t\t\t_currZoomedItemIndex = _currentItemIndex;\n\t\t}\n\n\n\t\t\n\t\tvar itemsDiff;\n\n\t\tif(gestureType === 'swipe') {\n\t\t\tvar totalShiftDist = _currPoint.x - _startPoint.x,\n\t\t\t\tisFastLastFlick = _releaseAnimData.lastFlickDist.x < 10;\n\n\t\t\t// if container is shifted for more than MIN_SWIPE_DISTANCE, \n\t\t\t// and last flick gesture was in right direction\n\t\t\tif(totalShiftDist > MIN_SWIPE_DISTANCE && \n\t\t\t\t(isFastLastFlick || _releaseAnimData.lastFlickOffset.x > 20) ) {\n\t\t\t\t// go to prev item\n\t\t\t\titemsDiff = -1;\n\t\t\t} else if(totalShiftDist < -MIN_SWIPE_DISTANCE && \n\t\t\t\t(isFastLastFlick || _releaseAnimData.lastFlickOffset.x < -20) ) {\n\t\t\t\t// go to next item\n\t\t\t\titemsDiff = 1;\n\t\t\t}\n\t\t}\n\n\t\tvar nextCircle;\n\n\t\tif(itemsDiff) {\n\t\t\t\n\t\t\t_currentItemIndex += itemsDiff;\n\n\t\t\tif(_currentItemIndex < 0) {\n\t\t\t\t_currentItemIndex = _options.loop ? _getNumItems()-1 : 0;\n\t\t\t\tnextCircle = true;\n\t\t\t} else if(_currentItemIndex >= _getNumItems()) {\n\t\t\t\t_currentItemIndex = _options.loop ? 0 : _getNumItems()-1;\n\t\t\t\tnextCircle = true;\n\t\t\t}\n\n\t\t\tif(!nextCircle || _options.loop) {\n\t\t\t\t_indexDiff += itemsDiff;\n\t\t\t\t_currPositionIndex -= itemsDiff;\n\t\t\t\titemChanged = true;\n\t\t\t}\n\t\t\t\n\n\t\t\t\n\t\t}\n\n\t\tvar animateToX = _slideSize.x * _currPositionIndex;\n\t\tvar animateToDist = Math.abs( animateToX - _mainScrollPos.x );\n\t\tvar finishAnimDuration;\n\n\n\t\tif(!itemChanged && animateToX > _mainScrollPos.x !== _releaseAnimData.lastFlickSpeed.x > 0) {\n\t\t\t// \"return to current\" duration, e.g. when dragging from slide 0 to -1\n\t\t\tfinishAnimDuration = 333; \n\t\t} else {\n\t\t\tfinishAnimDuration = Math.abs(_releaseAnimData.lastFlickSpeed.x) > 0 ? \n\t\t\t\t\t\t\t\t\tanimateToDist / Math.abs(_releaseAnimData.lastFlickSpeed.x) : \n\t\t\t\t\t\t\t\t\t333;\n\n\t\t\tfinishAnimDuration = Math.min(finishAnimDuration, 400);\n\t\t\tfinishAnimDuration = Math.max(finishAnimDuration, 250);\n\t\t}\n\n\t\tif(_currZoomedItemIndex === _currentItemIndex) {\n\t\t\titemChanged = false;\n\t\t}\n\t\t\n\t\t_mainScrollAnimating = true;\n\t\t\n\t\t_shout('mainScrollAnimStart');\n\n\t\t_animateProp('mainScroll', _mainScrollPos.x, animateToX, finishAnimDuration, framework.easing.cubic.out, \n\t\t\t_moveMainScroll,\n\t\t\tfunction() {\n\t\t\t\t_stopAllAnimations();\n\t\t\t\t_mainScrollAnimating = false;\n\t\t\t\t_currZoomedItemIndex = -1;\n\t\t\t\t\n\t\t\t\tif(itemChanged || _currZoomedItemIndex !== _currentItemIndex) {\n\t\t\t\t\tself.updateCurrItem();\n\t\t\t\t}\n\t\t\t\t\n\t\t\t\t_shout('mainScrollAnimComplete');\n\t\t\t}\n\t\t);\n\n\t\tif(itemChanged) {\n\t\t\tself.updateCurrItem(true);\n\t\t}\n\n\t\treturn itemChanged;\n\t},\n\n\t_calculateZoomLevel = function(touchesDistance) {\n\t\treturn  1 / _startPointsDistance * touchesDistance * _startZoomLevel;\n\t},\n\n\t// Resets zoom if it's out of bounds\n\t_completeZoomGesture = function() {\n\t\tvar destZoomLevel = _currZoomLevel,\n\t\t\tminZoomLevel = _getMinZoomLevel(),\n\t\t\tmaxZoomLevel = _getMaxZoomLevel();\n\n\t\tif ( _currZoomLevel < minZoomLevel ) {\n\t\t\tdestZoomLevel = minZoomLevel;\n\t\t} else if ( _currZoomLevel > maxZoomLevel ) {\n\t\t\tdestZoomLevel = maxZoomLevel;\n\t\t}\n\n\t\tvar destOpacity = 1,\n\t\t\tonUpdate,\n\t\t\tinitialOpacity = _bgOpacity;\n\n\t\tif(_opacityChanged && !_isZoomingIn && !_wasOverInitialZoom && _currZoomLevel < minZoomLevel) {\n\t\t\t//_closedByScroll = true;\n\t\t\tself.close();\n\t\t\treturn true;\n\t\t}\n\n\t\tif(_opacityChanged) {\n\t\t\tonUpdate = function(now) {\n\t\t\t\t_applyBgOpacity(  (destOpacity - initialOpacity) * now + initialOpacity );\n\t\t\t};\n\t\t}\n\n\t\tself.zoomTo(destZoomLevel, 0, 200,  framework.easing.cubic.out, onUpdate);\n\t\treturn true;\n\t};\n\n\n_registerModule('Gestures', {\n\tpublicMethods: {\n\n\t\tinitGestures: function() {\n\n\t\t\t// helper function that builds touch/pointer/mouse events\n\t\t\tvar addEventNames = function(pref, down, move, up, cancel) {\n\t\t\t\t_dragStartEvent = pref + down;\n\t\t\t\t_dragMoveEvent = pref + move;\n\t\t\t\t_dragEndEvent = pref + up;\n\t\t\t\tif(cancel) {\n\t\t\t\t\t_dragCancelEvent = pref + cancel;\n\t\t\t\t} else {\n\t\t\t\t\t_dragCancelEvent = '';\n\t\t\t\t}\n\t\t\t};\n\n\t\t\t_pointerEventEnabled = _features.pointerEvent;\n\t\t\tif(_pointerEventEnabled && _features.touch) {\n\t\t\t\t// we don't need touch events, if browser supports pointer events\n\t\t\t\t_features.touch = false;\n\t\t\t}\n\n\t\t\tif(_pointerEventEnabled) {\n\t\t\t\tif(navigator.msPointerEnabled) {\n\t\t\t\t\t// IE10 pointer events are case-sensitive\n\t\t\t\t\taddEventNames('MSPointer', 'Down', 'Move', 'Up', 'Cancel');\n\t\t\t\t} else {\n\t\t\t\t\taddEventNames('pointer', 'down', 'move', 'up', 'cancel');\n\t\t\t\t}\n\t\t\t} else if(_features.touch) {\n\t\t\t\taddEventNames('touch', 'start', 'move', 'end', 'cancel');\n\t\t\t\t_likelyTouchDevice = true;\n\t\t\t} else {\n\t\t\t\taddEventNames('mouse', 'down', 'move', 'up');\t\n\t\t\t}\n\n\t\t\t_upMoveEvents = _dragMoveEvent + ' ' + _dragEndEvent  + ' ' +  _dragCancelEvent;\n\t\t\t_downEvents = _dragStartEvent;\n\n\t\t\tif(_pointerEventEnabled && !_likelyTouchDevice) {\n\t\t\t\t_likelyTouchDevice = (navigator.maxTouchPoints > 1) || (navigator.msMaxTouchPoints > 1);\n\t\t\t}\n\t\t\t// make variable public\n\t\t\tself.likelyTouchDevice = _likelyTouchDevice; \n\t\t\t\n\t\t\t_globalEventHandlers[_dragStartEvent] = _onDragStart;\n\t\t\t_globalEventHandlers[_dragMoveEvent] = _onDragMove;\n\t\t\t_globalEventHandlers[_dragEndEvent] = _onDragRelease; // the Kraken\n\n\t\t\tif(_dragCancelEvent) {\n\t\t\t\t_globalEventHandlers[_dragCancelEvent] = _globalEventHandlers[_dragEndEvent];\n\t\t\t}\n\n\t\t\t// Bind mouse events on device with detected hardware touch support, in case it supports multiple types of input.\n\t\t\tif(_features.touch) {\n\t\t\t\t_downEvents += ' mousedown';\n\t\t\t\t_upMoveEvents += ' mousemove mouseup';\n\t\t\t\t_globalEventHandlers.mousedown = _globalEventHandlers[_dragStartEvent];\n\t\t\t\t_globalEventHandlers.mousemove = _globalEventHandlers[_dragMoveEvent];\n\t\t\t\t_globalEventHandlers.mouseup = _globalEventHandlers[_dragEndEvent];\n\t\t\t}\n\n\t\t\tif(!_likelyTouchDevice) {\n\t\t\t\t// don't allow pan to next slide from zoomed state on Desktop\n\t\t\t\t_options.allowPanToNext = false;\n\t\t\t}\n\t\t}\n\n\t}\n});\n\n\n/*>>gestures*/\n\n/*>>show-hide-transition*/\n/**\n * show-hide-transition.js:\n *\n * Manages initial opening or closing transition.\n *\n * If you're not planning to use transition for gallery at all,\n * you may set options hideAnimationDuration and showAnimationDuration to 0,\n * and just delete startAnimation function.\n * \n */\n\n\nvar _showOrHideTimeout,\n\t_showOrHide = function(item, img, out, completeFn) {\n\n\t\tif(_showOrHideTimeout) {\n\t\t\tclearTimeout(_showOrHideTimeout);\n\t\t}\n\n\t\t_initialZoomRunning = true;\n\t\t_initialContentSet = true;\n\t\t\n\t\t// dimensions of small thumbnail {x:,y:,w:}.\n\t\t// Height is optional, as calculated based on large image.\n\t\tvar thumbBounds; \n\t\tif(item.initialLayout) {\n\t\t\tthumbBounds = item.initialLayout;\n\t\t\titem.initialLayout = null;\n\t\t} else {\n\t\t\tthumbBounds = _options.getThumbBoundsFn && _options.getThumbBoundsFn(_currentItemIndex);\n\t\t}\n\n\t\tvar duration = out ? _options.hideAnimationDuration : _options.showAnimationDuration;\n\n\t\tvar onComplete = function() {\n\t\t\t_stopAnimation('initialZoom');\n\t\t\tif(!out) {\n\t\t\t\t_applyBgOpacity(1);\n\t\t\t\tif(img) {\n\t\t\t\t\timg.style.display = 'block';\n\t\t\t\t}\n\t\t\t\tframework.addClass(template, 'pswp--animated-in');\n\t\t\t\t_shout('initialZoom' + (out ? 'OutEnd' : 'InEnd'));\n\t\t\t} else {\n\t\t\t\tself.template.removeAttribute('style');\n\t\t\t\tself.bg.removeAttribute('style');\n\t\t\t}\n\n\t\t\tif(completeFn) {\n\t\t\t\tcompleteFn();\n\t\t\t}\n\t\t\t_initialZoomRunning = false;\n\t\t};\n\n\t\t// if bounds aren't provided, just open gallery without animation\n\t\tif(!duration || !thumbBounds || thumbBounds.x === undefined) {\n\n\t\t\t_shout('initialZoom' + (out ? 'Out' : 'In') );\n\n\t\t\t_currZoomLevel = item.initialZoomLevel;\n\t\t\t_equalizePoints(_panOffset,  item.initialPosition );\n\t\t\t_applyCurrentZoomPan();\n\n\t\t\ttemplate.style.opacity = out ? 0 : 1;\n\t\t\t_applyBgOpacity(1);\n\n\t\t\tif(duration) {\n\t\t\t\tsetTimeout(function() {\n\t\t\t\t\tonComplete();\n\t\t\t\t}, duration);\n\t\t\t} else {\n\t\t\t\tonComplete();\n\t\t\t}\n\n\t\t\treturn;\n\t\t}\n\n\t\tvar startAnimation = function() {\n\t\t\tvar closeWithRaf = _closedByScroll,\n\t\t\t\tfadeEverything = !self.currItem.src || self.currItem.loadError || _options.showHideOpacity;\n\t\t\t\n\t\t\t// apply hw-acceleration to image\n\t\t\tif(item.miniImg) {\n\t\t\t\titem.miniImg.style.webkitBackfaceVisibility = 'hidden';\n\t\t\t}\n\n\t\t\tif(!out) {\n\t\t\t\t_currZoomLevel = thumbBounds.w / item.w;\n\t\t\t\t_panOffset.x = thumbBounds.x;\n\t\t\t\t_panOffset.y = thumbBounds.y - _initalWindowScrollY;\n\n\t\t\t\tself[fadeEverything ? 'template' : 'bg'].style.opacity = 0.001;\n\t\t\t\t_applyCurrentZoomPan();\n\t\t\t}\n\n\t\t\t_registerStartAnimation('initialZoom');\n\t\t\t\n\t\t\tif(out && !closeWithRaf) {\n\t\t\t\tframework.removeClass(template, 'pswp--animated-in');\n\t\t\t}\n\n\t\t\tif(fadeEverything) {\n\t\t\t\tif(out) {\n\t\t\t\t\tframework[ (closeWithRaf ? 'remove' : 'add') + 'Class' ](template, 'pswp--animate_opacity');\n\t\t\t\t} else {\n\t\t\t\t\tsetTimeout(function() {\n\t\t\t\t\t\tframework.addClass(template, 'pswp--animate_opacity');\n\t\t\t\t\t}, 30);\n\t\t\t\t}\n\t\t\t}\n\n\t\t\t_showOrHideTimeout = setTimeout(function() {\n\n\t\t\t\t_shout('initialZoom' + (out ? 'Out' : 'In') );\n\t\t\t\t\n\n\t\t\t\tif(!out) {\n\n\t\t\t\t\t// \"in\" animation always uses CSS transitions (instead of rAF).\n\t\t\t\t\t// CSS transition work faster here, \n\t\t\t\t\t// as developer may also want to animate other things, \n\t\t\t\t\t// like ui on top of sliding area, which can be animated just via CSS\n\t\t\t\t\t\n\t\t\t\t\t_currZoomLevel = item.initialZoomLevel;\n\t\t\t\t\t_equalizePoints(_panOffset,  item.initialPosition );\n\t\t\t\t\t_applyCurrentZoomPan();\n\t\t\t\t\t_applyBgOpacity(1);\n\n\t\t\t\t\tif(fadeEverything) {\n\t\t\t\t\t\ttemplate.style.opacity = 1;\n\t\t\t\t\t} else {\n\t\t\t\t\t\t_applyBgOpacity(1);\n\t\t\t\t\t}\n\n\t\t\t\t\t_showOrHideTimeout = setTimeout(onComplete, duration + 20);\n\t\t\t\t} else {\n\n\t\t\t\t\t// \"out\" animation uses rAF only when PhotoSwipe is closed by browser scroll, to recalculate position\n\t\t\t\t\tvar destZoomLevel = thumbBounds.w / item.w,\n\t\t\t\t\t\tinitialPanOffset = {\n\t\t\t\t\t\t\tx: _panOffset.x,\n\t\t\t\t\t\t\ty: _panOffset.y\n\t\t\t\t\t\t},\n\t\t\t\t\t\tinitialZoomLevel = _currZoomLevel,\n\t\t\t\t\t\tinitalBgOpacity = _bgOpacity,\n\t\t\t\t\t\tonUpdate = function(now) {\n\t\t\t\t\t\t\t\n\t\t\t\t\t\t\tif(now === 1) {\n\t\t\t\t\t\t\t\t_currZoomLevel = destZoomLevel;\n\t\t\t\t\t\t\t\t_panOffset.x = thumbBounds.x;\n\t\t\t\t\t\t\t\t_panOffset.y = thumbBounds.y  - _currentWindowScrollY;\n\t\t\t\t\t\t\t} else {\n\t\t\t\t\t\t\t\t_currZoomLevel = (destZoomLevel - initialZoomLevel) * now + initialZoomLevel;\n\t\t\t\t\t\t\t\t_panOffset.x = (thumbBounds.x - initialPanOffset.x) * now + initialPanOffset.x;\n\t\t\t\t\t\t\t\t_panOffset.y = (thumbBounds.y - _currentWindowScrollY - initialPanOffset.y) * now + initialPanOffset.y;\n\t\t\t\t\t\t\t}\n\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t_applyCurrentZoomPan();\n\t\t\t\t\t\t\tif(fadeEverything) {\n\t\t\t\t\t\t\t\ttemplate.style.opacity = 1 - now;\n\t\t\t\t\t\t\t} else {\n\t\t\t\t\t\t\t\t_applyBgOpacity( initalBgOpacity - now * initalBgOpacity );\n\t\t\t\t\t\t\t}\n\t\t\t\t\t\t};\n\n\t\t\t\t\tif(closeWithRaf) {\n\t\t\t\t\t\t_animateProp('initialZoom', 0, 1, duration, framework.easing.cubic.out, onUpdate, onComplete);\n\t\t\t\t\t} else {\n\t\t\t\t\t\tonUpdate(1);\n\t\t\t\t\t\t_showOrHideTimeout = setTimeout(onComplete, duration + 20);\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t\n\t\t\t}, out ? 25 : 90); // Main purpose of this delay is to give browser time to paint and\n\t\t\t\t\t// create composite layers of PhotoSwipe UI parts (background, controls, caption, arrows).\n\t\t\t\t\t// Which avoids lag at the beginning of scale transition.\n\t\t};\n\t\tstartAnimation();\n\n\t\t\n\t};\n\n/*>>show-hide-transition*/\n\n/*>>items-controller*/\n/**\n*\n* Controller manages gallery items, their dimensions, and their content.\n* \n*/\n\nvar _items,\n\t_tempPanAreaSize = {},\n\t_imagesToAppendPool = [],\n\t_initialContentSet,\n\t_initialZoomRunning,\n\t_controllerDefaultOptions = {\n\t\tindex: 0,\n\t\terrorMsg: '<div class=\"pswp__error-msg\"><a href=\"%url%\" target=\"_blank\">The image</a> could not be loaded.</div>',\n\t\tforceProgressiveLoading: false, // TODO\n\t\tpreload: [1,1],\n\t\tgetNumItemsFn: function() {\n\t\t\treturn _items.length;\n\t\t}\n\t};\n\n\nvar _getItemAt,\n\t_getNumItems,\n\t_initialIsLoop,\n\t_getZeroBounds = function() {\n\t\treturn {\n\t\t\tcenter:{x:0,y:0}, \n\t\t\tmax:{x:0,y:0}, \n\t\t\tmin:{x:0,y:0}\n\t\t};\n\t},\n\t_calculateSingleItemPanBounds = function(item, realPanElementW, realPanElementH ) {\n\t\tvar bounds = item.bounds;\n\n\t\t// position of element when it's centered\n\t\tbounds.center.x = Math.round((_tempPanAreaSize.x - realPanElementW) / 2);\n\t\tbounds.center.y = Math.round((_tempPanAreaSize.y - realPanElementH) / 2) + item.vGap.top;\n\n\t\t// maximum pan position\n\t\tbounds.max.x = (realPanElementW > _tempPanAreaSize.x) ? \n\t\t\t\t\t\t\tMath.round(_tempPanAreaSize.x - realPanElementW) : \n\t\t\t\t\t\t\tbounds.center.x;\n\t\t\n\t\tbounds.max.y = (realPanElementH > _tempPanAreaSize.y) ? \n\t\t\t\t\t\t\tMath.round(_tempPanAreaSize.y - realPanElementH) + item.vGap.top : \n\t\t\t\t\t\t\tbounds.center.y;\n\t\t\n\t\t// minimum pan position\n\t\tbounds.min.x = (realPanElementW > _tempPanAreaSize.x) ? 0 : bounds.center.x;\n\t\tbounds.min.y = (realPanElementH > _tempPanAreaSize.y) ? item.vGap.top : bounds.center.y;\n\t},\n\t_calculateItemSize = function(item, viewportSize, zoomLevel) {\n\n\t\tif (item.src && !item.loadError) {\n\t\t\tvar isInitial = !zoomLevel;\n\t\t\t\n\t\t\tif(isInitial) {\n\t\t\t\tif(!item.vGap) {\n\t\t\t\t\titem.vGap = {top:0,bottom:0};\n\t\t\t\t}\n\t\t\t\t// allows overriding vertical margin for individual items\n\t\t\t\t_shout('parseVerticalMargin', item);\n\t\t\t}\n\n\n\t\t\t_tempPanAreaSize.x = viewportSize.x;\n\t\t\t_tempPanAreaSize.y = viewportSize.y - item.vGap.top - item.vGap.bottom;\n\n\t\t\tif (isInitial) {\n\t\t\t\tvar hRatio = _tempPanAreaSize.x / item.w;\n\t\t\t\tvar vRatio = _tempPanAreaSize.y / item.h;\n\n\t\t\t\titem.fitRatio = hRatio < vRatio ? hRatio : vRatio;\n\t\t\t\t//item.fillRatio = hRatio > vRatio ? hRatio : vRatio;\n\n\t\t\t\tvar scaleMode = _options.scaleMode;\n\n\t\t\t\tif (scaleMode === 'orig') {\n\t\t\t\t\tzoomLevel = 1;\n\t\t\t\t} else if (scaleMode === 'fit') {\n\t\t\t\t\tzoomLevel = item.fitRatio;\n\t\t\t\t}\n\n\t\t\t\tif (zoomLevel > 1) {\n\t\t\t\t\tzoomLevel = 1;\n\t\t\t\t}\n\n\t\t\t\titem.initialZoomLevel = zoomLevel;\n\t\t\t\t\n\t\t\t\tif(!item.bounds) {\n\t\t\t\t\t// reuse bounds object\n\t\t\t\t\titem.bounds = _getZeroBounds(); \n\t\t\t\t}\n\t\t\t}\n\n\t\t\tif(!zoomLevel) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\t_calculateSingleItemPanBounds(item, item.w * zoomLevel, item.h * zoomLevel);\n\n\t\t\tif (isInitial && zoomLevel === item.initialZoomLevel) {\n\t\t\t\titem.initialPosition = item.bounds.center;\n\t\t\t}\n\n\t\t\treturn item.bounds;\n\t\t} else {\n\t\t\titem.w = item.h = 0;\n\t\t\titem.initialZoomLevel = item.fitRatio = 1;\n\t\t\titem.bounds = _getZeroBounds();\n\t\t\titem.initialPosition = item.bounds.center;\n\n\t\t\t// if it's not image, we return zero bounds (content is not zoomable)\n\t\t\treturn item.bounds;\n\t\t}\n\t\t\n\t},\n\n\t\n\n\n\t_appendImage = function(index, item, baseDiv, img, preventAnimation, keepPlaceholder) {\n\t\t\n\n\t\tif(item.loadError) {\n\t\t\treturn;\n\t\t}\n\n\t\tif(img) {\n\n\t\t\titem.imageAppended = true;\n\t\t\t_setImageSize(item, img, (item === self.currItem && _renderMaxResolution) );\n\t\t\t\n\t\t\tbaseDiv.appendChild(img);\n\n\t\t\tif(keepPlaceholder) {\n\t\t\t\tsetTimeout(function() {\n\t\t\t\t\tif(item && item.loaded && item.placeholder) {\n\t\t\t\t\t\titem.placeholder.style.display = 'none';\n\t\t\t\t\t\titem.placeholder = null;\n\t\t\t\t\t}\n\t\t\t\t}, 500);\n\t\t\t}\n\t\t}\n\t},\n\t\n\n\n\t_preloadImage = function(item) {\n\t\titem.loading = true;\n\t\titem.loaded = false;\n\t\tvar img = item.img = framework.createEl('pswp__img', 'img');\n\t\tvar onComplete = function() {\n\t\t\titem.loading = false;\n\t\t\titem.loaded = true;\n\n\t\t\tif(item.loadComplete) {\n\t\t\t\titem.loadComplete(item);\n\t\t\t} else {\n\t\t\t\titem.img = null; // no need to store image object\n\t\t\t}\n\t\t\timg.onload = img.onerror = null;\n\t\t\timg = null;\n\t\t};\n\t\timg.onload = onComplete;\n\t\timg.onerror = function() {\n\t\t\titem.loadError = true;\n\t\t\tonComplete();\n\t\t};\t\t\n\n\t\timg.src = item.src;// + '?a=' + Math.random();\n\n\t\treturn img;\n\t},\n\t_checkForError = function(item, cleanUp) {\n\t\tif(item.src && item.loadError && item.container) {\n\n\t\t\tif(cleanUp) {\n\t\t\t\titem.container.innerHTML = '';\n\t\t\t}\n\n\t\t\titem.container.innerHTML = _options.errorMsg.replace('%url%',  item.src );\n\t\t\treturn true;\n\t\t\t\n\t\t}\n\t},\n\t_setImageSize = function(item, img, maxRes) {\n\t\tif(!item.src) {\n\t\t\treturn;\n\t\t}\n\n\t\tif(!img) {\n\t\t\timg = item.container.lastChild;\n\t\t}\n\n\t\tvar w = maxRes ? item.w : Math.round(item.w * item.fitRatio),\n\t\t\th = maxRes ? item.h : Math.round(item.h * item.fitRatio);\n\t\t\n\t\tif(item.placeholder && !item.loaded) {\n\t\t\titem.placeholder.style.width = w + 'px';\n\t\t\titem.placeholder.style.height = h + 'px';\n\t\t}\n\n\t\timg.style.width = w + 'px';\n\t\timg.style.height = h + 'px';\n\t},\n\t_appendImagesPool = function() {\n\n\t\tif(_imagesToAppendPool.length) {\n\t\t\tvar poolItem;\n\n\t\t\tfor(var i = 0; i < _imagesToAppendPool.length; i++) {\n\t\t\t\tpoolItem = _imagesToAppendPool[i];\n\t\t\t\tif( poolItem.holder.index === poolItem.index ) {\n\t\t\t\t\t_appendImage(poolItem.index, poolItem.item, poolItem.baseDiv, poolItem.img, false, poolItem.clearPlaceholder);\n\t\t\t\t}\n\t\t\t}\n\t\t\t_imagesToAppendPool = [];\n\t\t}\n\t};\n\t\n\n\n_registerModule('Controller', {\n\n\tpublicMethods: {\n\n\t\tlazyLoadItem: function(index) {\n\t\t\tindex = _getLoopedId(index);\n\t\t\tvar item = _getItemAt(index);\n\n\t\t\tif(!item || ((item.loaded || item.loading) && !_itemsNeedUpdate)) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\t_shout('gettingData', index, item);\n\n\t\t\tif (!item.src) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\t_preloadImage(item);\n\t\t},\n\t\tinitController: function() {\n\t\t\tframework.extend(_options, _controllerDefaultOptions, true);\n\t\t\tself.items = _items = items;\n\t\t\t_getItemAt = self.getItemAt;\n\t\t\t_getNumItems = _options.getNumItemsFn; //self.getNumItems;\n\n\n\n\t\t\t_initialIsLoop = _options.loop;\n\t\t\tif(_getNumItems() < 3) {\n\t\t\t\t_options.loop = false; // disable loop if less then 3 items\n\t\t\t}\n\n\t\t\t_listen('beforeChange', function(diff) {\n\n\t\t\t\tvar p = _options.preload,\n\t\t\t\t\tisNext = diff === null ? true : (diff >= 0),\n\t\t\t\t\tpreloadBefore = Math.min(p[0], _getNumItems() ),\n\t\t\t\t\tpreloadAfter = Math.min(p[1], _getNumItems() ),\n\t\t\t\t\ti;\n\n\n\t\t\t\tfor(i = 1; i <= (isNext ? preloadAfter : preloadBefore); i++) {\n\t\t\t\t\tself.lazyLoadItem(_currentItemIndex+i);\n\t\t\t\t}\n\t\t\t\tfor(i = 1; i <= (isNext ? preloadBefore : preloadAfter); i++) {\n\t\t\t\t\tself.lazyLoadItem(_currentItemIndex-i);\n\t\t\t\t}\n\t\t\t});\n\n\t\t\t_listen('initialLayout', function() {\n\t\t\t\tself.currItem.initialLayout = _options.getThumbBoundsFn && _options.getThumbBoundsFn(_currentItemIndex);\n\t\t\t});\n\n\t\t\t_listen('mainScrollAnimComplete', _appendImagesPool);\n\t\t\t_listen('initialZoomInEnd', _appendImagesPool);\n\n\n\n\t\t\t_listen('destroy', function() {\n\t\t\t\tvar item;\n\t\t\t\tfor(var i = 0; i < _items.length; i++) {\n\t\t\t\t\titem = _items[i];\n\t\t\t\t\t// remove reference to DOM elements, for GC\n\t\t\t\t\tif(item.container) {\n\t\t\t\t\t\titem.container = null; \n\t\t\t\t\t}\n\t\t\t\t\tif(item.placeholder) {\n\t\t\t\t\t\titem.placeholder = null;\n\t\t\t\t\t}\n\t\t\t\t\tif(item.img) {\n\t\t\t\t\t\titem.img = null;\n\t\t\t\t\t}\n\t\t\t\t\tif(item.preloader) {\n\t\t\t\t\t\titem.preloader = null;\n\t\t\t\t\t}\n\t\t\t\t\tif(item.loadError) {\n\t\t\t\t\t\titem.loaded = item.loadError = false;\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t\t_imagesToAppendPool = null;\n\t\t\t});\n\t\t},\n\n\n\t\tgetItemAt: function(index) {\n\t\t\tif (index >= 0) {\n\t\t\t\treturn _items[index] !== undefined ? _items[index] : false;\n\t\t\t}\n\t\t\treturn false;\n\t\t},\n\n\t\tallowProgressiveImg: function() {\n\t\t\t// 1. Progressive image loading isn't working on webkit/blink \n\t\t\t//    when hw-acceleration (e.g. translateZ) is applied to IMG element.\n\t\t\t//    That's why in PhotoSwipe parent element gets zoom transform, not image itself.\n\t\t\t//    \n\t\t\t// 2. Progressive image loading sometimes blinks in webkit/blink when applying animation to parent element.\n\t\t\t//    That's why it's disabled on touch devices (mainly because of swipe transition)\n\t\t\t//    \n\t\t\t// 3. Progressive image loading sometimes doesn't work in IE (up to 11).\n\n\t\t\t// Don't allow progressive loading on non-large touch devices\n\t\t\treturn _options.forceProgressiveLoading || !_likelyTouchDevice || _options.mouseUsed || screen.width > 1200; \n\t\t\t// 1200 - to eliminate touch devices with large screen (like Chromebook Pixel)\n\t\t},\n\n\t\tsetContent: function(holder, index) {\n\n\t\t\tif(_options.loop) {\n\t\t\t\tindex = _getLoopedId(index);\n\t\t\t}\n\n\t\t\tvar prevItem = self.getItemAt(holder.index);\n\t\t\tif(prevItem) {\n\t\t\t\tprevItem.container = null;\n\t\t\t}\n\t\n\t\t\tvar item = self.getItemAt(index),\n\t\t\t\timg;\n\t\t\t\n\t\t\tif(!item) {\n\t\t\t\tholder.el.innerHTML = '';\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\t// allow to override data\n\t\t\t_shout('gettingData', index, item);\n\n\t\t\tholder.index = index;\n\t\t\tholder.item = item;\n\n\t\t\t// base container DIV is created only once for each of 3 holders\n\t\t\tvar baseDiv = item.container = framework.createEl('pswp__zoom-wrap'); \n\n\t\t\t\n\n\t\t\tif(!item.src && item.html) {\n\t\t\t\tif(item.html.tagName) {\n\t\t\t\t\tbaseDiv.appendChild(item.html);\n\t\t\t\t} else {\n\t\t\t\t\tbaseDiv.innerHTML = item.html;\n\t\t\t\t}\n\t\t\t}\n\n\t\t\t_checkForError(item);\n\n\t\t\t_calculateItemSize(item, _viewportSize);\n\t\t\t\n\t\t\tif(item.src && !item.loadError && !item.loaded) {\n\n\t\t\t\titem.loadComplete = function(item) {\n\n\t\t\t\t\t// gallery closed before image finished loading\n\t\t\t\t\tif(!_isOpen) {\n\t\t\t\t\t\treturn;\n\t\t\t\t\t}\n\n\t\t\t\t\t// check if holder hasn't changed while image was loading\n\t\t\t\t\tif(holder && holder.index === index ) {\n\t\t\t\t\t\tif( _checkForError(item, true) ) {\n\t\t\t\t\t\t\titem.loadComplete = item.img = null;\n\t\t\t\t\t\t\t_calculateItemSize(item, _viewportSize);\n\t\t\t\t\t\t\t_applyZoomPanToItem(item);\n\n\t\t\t\t\t\t\tif(holder.index === _currentItemIndex) {\n\t\t\t\t\t\t\t\t// recalculate dimensions\n\t\t\t\t\t\t\t\tself.updateCurrZoomItem();\n\t\t\t\t\t\t\t}\n\t\t\t\t\t\t\treturn;\n\t\t\t\t\t\t}\n\t\t\t\t\t\tif( !item.imageAppended ) {\n\t\t\t\t\t\t\tif(_features.transform && (_mainScrollAnimating || _initialZoomRunning) ) {\n\t\t\t\t\t\t\t\t_imagesToAppendPool.push({\n\t\t\t\t\t\t\t\t\titem:item,\n\t\t\t\t\t\t\t\t\tbaseDiv:baseDiv,\n\t\t\t\t\t\t\t\t\timg:item.img,\n\t\t\t\t\t\t\t\t\tindex:index,\n\t\t\t\t\t\t\t\t\tholder:holder,\n\t\t\t\t\t\t\t\t\tclearPlaceholder:true\n\t\t\t\t\t\t\t\t});\n\t\t\t\t\t\t\t} else {\n\t\t\t\t\t\t\t\t_appendImage(index, item, baseDiv, item.img, _mainScrollAnimating || _initialZoomRunning, true);\n\t\t\t\t\t\t\t}\n\t\t\t\t\t\t} else {\n\t\t\t\t\t\t\t// remove preloader & mini-img\n\t\t\t\t\t\t\tif(!_initialZoomRunning && item.placeholder) {\n\t\t\t\t\t\t\t\titem.placeholder.style.display = 'none';\n\t\t\t\t\t\t\t\titem.placeholder = null;\n\t\t\t\t\t\t\t}\n\t\t\t\t\t\t}\n\t\t\t\t\t}\n\n\t\t\t\t\titem.loadComplete = null;\n\t\t\t\t\titem.img = null; // no need to store image element after it's added\n\n\t\t\t\t\t_shout('imageLoadComplete', index, item);\n\t\t\t\t};\n\n\t\t\t\tif(framework.features.transform) {\n\t\t\t\t\t\n\t\t\t\t\tvar placeholderClassName = 'pswp__img pswp__img--placeholder'; \n\t\t\t\t\tplaceholderClassName += (item.msrc ? '' : ' pswp__img--placeholder--blank');\n\n\t\t\t\t\tvar placeholder = framework.createEl(placeholderClassName, item.msrc ? 'img' : '');\n\t\t\t\t\tif(item.msrc) {\n\t\t\t\t\t\tplaceholder.src = item.msrc;\n\t\t\t\t\t}\n\t\t\t\t\t\n\t\t\t\t\t_setImageSize(item, placeholder);\n\n\t\t\t\t\tbaseDiv.appendChild(placeholder);\n\t\t\t\t\titem.placeholder = placeholder;\n\n\t\t\t\t}\n\t\t\t\t\n\n\t\t\t\t\n\n\t\t\t\tif(!item.loading) {\n\t\t\t\t\t_preloadImage(item);\n\t\t\t\t}\n\n\n\t\t\t\tif( self.allowProgressiveImg() ) {\n\t\t\t\t\t// just append image\n\t\t\t\t\tif(!_initialContentSet && _features.transform) {\n\t\t\t\t\t\t_imagesToAppendPool.push({\n\t\t\t\t\t\t\titem:item, \n\t\t\t\t\t\t\tbaseDiv:baseDiv, \n\t\t\t\t\t\t\timg:item.img, \n\t\t\t\t\t\t\tindex:index, \n\t\t\t\t\t\t\tholder:holder\n\t\t\t\t\t\t});\n\t\t\t\t\t} else {\n\t\t\t\t\t\t_appendImage(index, item, baseDiv, item.img, true, true);\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t\t\n\t\t\t} else if(item.src && !item.loadError) {\n\t\t\t\t// image object is created every time, due to bugs of image loading & delay when switching images\n\t\t\t\timg = framework.createEl('pswp__img', 'img');\n\t\t\t\timg.style.opacity = 1;\n\t\t\t\timg.src = item.src;\n\t\t\t\t_setImageSize(item, img);\n\t\t\t\t_appendImage(index, item, baseDiv, img, true);\n\t\t\t}\n\t\t\t\n\n\t\t\tif(!_initialContentSet && index === _currentItemIndex) {\n\t\t\t\t_currZoomElementStyle = baseDiv.style;\n\t\t\t\t_showOrHide(item, (img ||item.img) );\n\t\t\t} else {\n\t\t\t\t_applyZoomPanToItem(item);\n\t\t\t}\n\n\t\t\tholder.el.innerHTML = '';\n\t\t\tholder.el.appendChild(baseDiv);\n\t\t},\n\n\t\tcleanSlide: function( item ) {\n\t\t\tif(item.img ) {\n\t\t\t\titem.img.onload = item.img.onerror = null;\n\t\t\t}\n\t\t\titem.loaded = item.loading = item.img = item.imageAppended = false;\n\t\t}\n\n\t}\n});\n\n/*>>items-controller*/\n\n/*>>tap*/\n/**\n * tap.js:\n *\n * Displatches tap and double-tap events.\n * \n */\n\nvar tapTimer,\n\ttapReleasePoint = {},\n\t_dispatchTapEvent = function(origEvent, releasePoint, pointerType) {\t\t\n\t\tvar e = document.createEvent( 'CustomEvent' ),\n\t\t\teDetail = {\n\t\t\t\torigEvent:origEvent, \n\t\t\t\ttarget:origEvent.target, \n\t\t\t\treleasePoint: releasePoint, \n\t\t\t\tpointerType:pointerType || 'touch'\n\t\t\t};\n\n\t\te.initCustomEvent( 'pswpTap', true, true, eDetail );\n\t\torigEvent.target.dispatchEvent(e);\n\t};\n\n_registerModule('Tap', {\n\tpublicMethods: {\n\t\tinitTap: function() {\n\t\t\t_listen('firstTouchStart', self.onTapStart);\n\t\t\t_listen('touchRelease', self.onTapRelease);\n\t\t\t_listen('destroy', function() {\n\t\t\t\ttapReleasePoint = {};\n\t\t\t\ttapTimer = null;\n\t\t\t});\n\t\t},\n\t\tonTapStart: function(touchList) {\n\t\t\tif(touchList.length > 1) {\n\t\t\t\tclearTimeout(tapTimer);\n\t\t\t\ttapTimer = null;\n\t\t\t}\n\t\t},\n\t\tonTapRelease: function(e, releasePoint) {\n\t\t\tif(!releasePoint) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\tif(!_moved && !_isMultitouch && !_numAnimations) {\n\t\t\t\tvar p0 = releasePoint;\n\t\t\t\tif(tapTimer) {\n\t\t\t\t\tclearTimeout(tapTimer);\n\t\t\t\t\ttapTimer = null;\n\n\t\t\t\t\t// Check if taped on the same place\n\t\t\t\t\tif ( _isNearbyPoints(p0, tapReleasePoint) ) {\n\t\t\t\t\t\t_shout('doubleTap', p0);\n\t\t\t\t\t\treturn;\n\t\t\t\t\t}\n\t\t\t\t}\n\n\t\t\t\tif(releasePoint.type === 'mouse') {\n\t\t\t\t\t_dispatchTapEvent(e, releasePoint, 'mouse');\n\t\t\t\t\treturn;\n\t\t\t\t}\n\n\t\t\t\tvar clickedTagName = e.target.tagName.toUpperCase();\n\t\t\t\t// avoid double tap delay on buttons and elements that have class pswp__single-tap\n\t\t\t\tif(clickedTagName === 'BUTTON' || framework.hasClass(e.target, 'pswp__single-tap') ) {\n\t\t\t\t\t_dispatchTapEvent(e, releasePoint);\n\t\t\t\t\treturn;\n\t\t\t\t}\n\n\t\t\t\t_equalizePoints(tapReleasePoint, p0);\n\n\t\t\t\ttapTimer = setTimeout(function() {\n\t\t\t\t\t_dispatchTapEvent(e, releasePoint);\n\t\t\t\t\ttapTimer = null;\n\t\t\t\t}, 300);\n\t\t\t}\n\t\t}\n\t}\n});\n\n/*>>tap*/\n\n/*>>desktop-zoom*/\n/**\n *\n * desktop-zoom.js:\n *\n * - Binds mousewheel event for paning zoomed image.\n * - Manages \"dragging\", \"zoomed-in\", \"zoom-out\" classes.\n *   (which are used for cursors and zoom icon)\n * - Adds toggleDesktopZoom function.\n * \n */\n\nvar _wheelDelta;\n\t\n_registerModule('DesktopZoom', {\n\n\tpublicMethods: {\n\n\t\tinitDesktopZoom: function() {\n\n\t\t\tif(_oldIE) {\n\t\t\t\t// no zoom for old IE (<=8)\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\tif(_likelyTouchDevice) {\n\t\t\t\t// if detected hardware touch support, we wait until mouse is used,\n\t\t\t\t// and only then apply desktop-zoom features\n\t\t\t\t_listen('mouseUsed', function() {\n\t\t\t\t\tself.setupDesktopZoom();\n\t\t\t\t});\n\t\t\t} else {\n\t\t\t\tself.setupDesktopZoom(true);\n\t\t\t}\n\n\t\t},\n\n\t\tsetupDesktopZoom: function(onInit) {\n\n\t\t\t_wheelDelta = {};\n\n\t\t\tvar events = 'wheel mousewheel DOMMouseScroll';\n\t\t\t\n\t\t\t_listen('bindEvents', function() {\n\t\t\t\tframework.bind(template, events,  self.handleMouseWheel);\n\t\t\t});\n\n\t\t\t_listen('unbindEvents', function() {\n\t\t\t\tif(_wheelDelta) {\n\t\t\t\t\tframework.unbind(template, events, self.handleMouseWheel);\n\t\t\t\t}\n\t\t\t});\n\n\t\t\tself.mouseZoomedIn = false;\n\n\t\t\tvar hasDraggingClass,\n\t\t\t\tupdateZoomable = function() {\n\t\t\t\t\tif(self.mouseZoomedIn) {\n\t\t\t\t\t\tframework.removeClass(template, 'pswp--zoomed-in');\n\t\t\t\t\t\tself.mouseZoomedIn = false;\n\t\t\t\t\t}\n\t\t\t\t\tif(_currZoomLevel < 1) {\n\t\t\t\t\t\tframework.addClass(template, 'pswp--zoom-allowed');\n\t\t\t\t\t} else {\n\t\t\t\t\t\tframework.removeClass(template, 'pswp--zoom-allowed');\n\t\t\t\t\t}\n\t\t\t\t\tremoveDraggingClass();\n\t\t\t\t},\n\t\t\t\tremoveDraggingClass = function() {\n\t\t\t\t\tif(hasDraggingClass) {\n\t\t\t\t\t\tframework.removeClass(template, 'pswp--dragging');\n\t\t\t\t\t\thasDraggingClass = false;\n\t\t\t\t\t}\n\t\t\t\t};\n\n\t\t\t_listen('resize' , updateZoomable);\n\t\t\t_listen('afterChange' , updateZoomable);\n\t\t\t_listen('pointerDown', function() {\n\t\t\t\tif(self.mouseZoomedIn) {\n\t\t\t\t\thasDraggingClass = true;\n\t\t\t\t\tframework.addClass(template, 'pswp--dragging');\n\t\t\t\t}\n\t\t\t});\n\t\t\t_listen('pointerUp', removeDraggingClass);\n\n\t\t\tif(!onInit) {\n\t\t\t\tupdateZoomable();\n\t\t\t}\n\t\t\t\n\t\t},\n\n\t\thandleMouseWheel: function(e) {\n\n\t\t\tif(_currZoomLevel <= self.currItem.fitRatio) {\n\t\t\t\tif( _options.modal ) {\n\n\t\t\t\t\tif (!_options.closeOnScroll || _numAnimations || _isDragging) {\n\t\t\t\t\t\te.preventDefault();\n\t\t\t\t\t} else if(_transformKey && Math.abs(e.deltaY) > 2) {\n\t\t\t\t\t\t// close PhotoSwipe\n\t\t\t\t\t\t// if browser supports transforms & scroll changed enough\n\t\t\t\t\t\t_closedByScroll = true;\n\t\t\t\t\t\tself.close();\n\t\t\t\t\t}\n\n\t\t\t\t}\n\t\t\t\treturn true;\n\t\t\t}\n\n\t\t\t// allow just one event to fire\n\t\t\te.stopPropagation();\n\n\t\t\t// https://developer.mozilla.org/en-US/docs/Web/Events/wheel\n\t\t\t_wheelDelta.x = 0;\n\n\t\t\tif('deltaX' in e) {\n\t\t\t\tif(e.deltaMode === 1 /* DOM_DELTA_LINE */) {\n\t\t\t\t\t// 18 - average line height\n\t\t\t\t\t_wheelDelta.x = e.deltaX * 18;\n\t\t\t\t\t_wheelDelta.y = e.deltaY * 18;\n\t\t\t\t} else {\n\t\t\t\t\t_wheelDelta.x = e.deltaX;\n\t\t\t\t\t_wheelDelta.y = e.deltaY;\n\t\t\t\t}\n\t\t\t} else if('wheelDelta' in e) {\n\t\t\t\tif(e.wheelDeltaX) {\n\t\t\t\t\t_wheelDelta.x = -0.16 * e.wheelDeltaX;\n\t\t\t\t}\n\t\t\t\tif(e.wheelDeltaY) {\n\t\t\t\t\t_wheelDelta.y = -0.16 * e.wheelDeltaY;\n\t\t\t\t} else {\n\t\t\t\t\t_wheelDelta.y = -0.16 * e.wheelDelta;\n\t\t\t\t}\n\t\t\t} else if('detail' in e) {\n\t\t\t\t_wheelDelta.y = e.detail;\n\t\t\t} else {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\t_calculatePanBounds(_currZoomLevel, true);\n\n\t\t\tvar newPanX = _panOffset.x - _wheelDelta.x,\n\t\t\t\tnewPanY = _panOffset.y - _wheelDelta.y;\n\n\t\t\t// only prevent scrolling in nonmodal mode when not at edges\n\t\t\tif (_options.modal ||\n\t\t\t\t(\n\t\t\t\tnewPanX <= _currPanBounds.min.x && newPanX >= _currPanBounds.max.x &&\n\t\t\t\tnewPanY <= _currPanBounds.min.y && newPanY >= _currPanBounds.max.y\n\t\t\t\t) ) {\n\t\t\t\te.preventDefault();\n\t\t\t}\n\n\t\t\t// TODO: use rAF instead of mousewheel?\n\t\t\tself.panTo(newPanX, newPanY);\n\t\t},\n\n\t\ttoggleDesktopZoom: function(centerPoint) {\n\t\t\tcenterPoint = centerPoint || {x:_viewportSize.x/2 + _offset.x, y:_viewportSize.y/2 + _offset.y };\n\n\t\t\tvar doubleTapZoomLevel = _options.getDoubleTapZoom(true, self.currItem);\n\t\t\tvar zoomOut = _currZoomLevel === doubleTapZoomLevel;\n\t\t\t\n\t\t\tself.mouseZoomedIn = !zoomOut;\n\n\t\t\tself.zoomTo(zoomOut ? self.currItem.initialZoomLevel : doubleTapZoomLevel, centerPoint, 333);\n\t\t\tframework[ (!zoomOut ? 'add' : 'remove') + 'Class'](template, 'pswp--zoomed-in');\n\t\t}\n\n\t}\n});\n\n\n/*>>desktop-zoom*/\n\n/*>>history*/\n/**\n *\n * history.js:\n *\n * - Back button to close gallery.\n * \n * - Unique URL for each slide: example.com/&pid=1&gid=3\n *   (where PID is picture index, and GID and gallery index)\n *   \n * - Switch URL when slides change.\n * \n */\n\n\nvar _historyDefaultOptions = {\n\thistory: true,\n\tgalleryUID: 1\n};\n\nvar _historyUpdateTimeout,\n\t_hashChangeTimeout,\n\t_hashAnimCheckTimeout,\n\t_hashChangedByScript,\n\t_hashChangedByHistory,\n\t_hashReseted,\n\t_initialHash,\n\t_historyChanged,\n\t_closedFromURL,\n\t_urlChangedOnce,\n\t_windowLoc,\n\n\t_supportsPushState,\n\n\t_getHash = function() {\n\t\treturn _windowLoc.hash.substring(1);\n\t},\n\t_cleanHistoryTimeouts = function() {\n\n\t\tif(_historyUpdateTimeout) {\n\t\t\tclearTimeout(_historyUpdateTimeout);\n\t\t}\n\n\t\tif(_hashAnimCheckTimeout) {\n\t\t\tclearTimeout(_hashAnimCheckTimeout);\n\t\t}\n\t},\n\n\t// pid - Picture index\n\t// gid - Gallery index\n\t_parseItemIndexFromURL = function() {\n\t\tvar hash = _getHash(),\n\t\t\tparams = {};\n\n\t\tif(hash.length < 5) { // pid=1\n\t\t\treturn params;\n\t\t}\n\n\t\tvar i, vars = hash.split('&');\n\t\tfor (i = 0; i < vars.length; i++) {\n\t\t\tif(!vars[i]) {\n\t\t\t\tcontinue;\n\t\t\t}\n\t\t\tvar pair = vars[i].split('=');\t\n\t\t\tif(pair.length < 2) {\n\t\t\t\tcontinue;\n\t\t\t}\n\t\t\tparams[pair[0]] = pair[1];\n\t\t}\n\t\tif(_options.galleryPIDs) {\n\t\t\t// detect custom pid in hash and search for it among the items collection\n\t\t\tvar searchfor = params.pid;\n\t\t\tparams.pid = 0; // if custom pid cannot be found, fallback to the first item\n\t\t\tfor(i = 0; i < _items.length; i++) {\n\t\t\t\tif(_items[i].pid === searchfor) {\n\t\t\t\t\tparams.pid = i;\n\t\t\t\t\tbreak;\n\t\t\t\t}\n\t\t\t}\n\t\t} else {\n\t\t\tparams.pid = parseInt(params.pid,10)-1;\n\t\t}\n\t\tif( params.pid < 0 ) {\n\t\t\tparams.pid = 0;\n\t\t}\n\t\treturn params;\n\t},\n\t_updateHash = function() {\n\n\t\tif(_hashAnimCheckTimeout) {\n\t\t\tclearTimeout(_hashAnimCheckTimeout);\n\t\t}\n\n\n\t\tif(_numAnimations || _isDragging) {\n\t\t\t// changing browser URL forces layout/paint in some browsers, which causes noticable lag during animation\n\t\t\t// that's why we update hash only when no animations running\n\t\t\t_hashAnimCheckTimeout = setTimeout(_updateHash, 500);\n\t\t\treturn;\n\t\t}\n\t\t\n\t\tif(_hashChangedByScript) {\n\t\t\tclearTimeout(_hashChangeTimeout);\n\t\t} else {\n\t\t\t_hashChangedByScript = true;\n\t\t}\n\n\n\t\tvar pid = (_currentItemIndex + 1);\n\t\tvar item = _getItemAt( _currentItemIndex );\n\t\tif(item.hasOwnProperty('pid')) {\n\t\t\t// carry forward any custom pid assigned to the item\n\t\t\tpid = item.pid;\n\t\t}\n\t\tvar newHash = _initialHash + '&'  +  'gid=' + _options.galleryUID + '&' + 'pid=' + pid;\n\n\t\tif(!_historyChanged) {\n\t\t\tif(_windowLoc.hash.indexOf(newHash) === -1) {\n\t\t\t\t_urlChangedOnce = true;\n\t\t\t}\n\t\t\t// first time - add new hisory record, then just replace\n\t\t}\n\n\t\tvar newURL = _windowLoc.href.split('#')[0] + '#' +  newHash;\n\n\t\tif( _supportsPushState ) {\n\n\t\t\tif('#' + newHash !== window.location.hash) {\n\t\t\t\thistory[_historyChanged ? 'replaceState' : 'pushState']('', document.title, newURL);\n\t\t\t}\n\n\t\t} else {\n\t\t\tif(_historyChanged) {\n\t\t\t\t_windowLoc.replace( newURL );\n\t\t\t} else {\n\t\t\t\t_windowLoc.hash = newHash;\n\t\t\t}\n\t\t}\n\t\t\n\t\t\n\n\t\t_historyChanged = true;\n\t\t_hashChangeTimeout = setTimeout(function() {\n\t\t\t_hashChangedByScript = false;\n\t\t}, 60);\n\t};\n\n\n\n\t\n\n_registerModule('History', {\n\n\t\n\n\tpublicMethods: {\n\t\tinitHistory: function() {\n\n\t\t\tframework.extend(_options, _historyDefaultOptions, true);\n\n\t\t\tif( !_options.history ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\n\t\t\t_windowLoc = window.location;\n\t\t\t_urlChangedOnce = false;\n\t\t\t_closedFromURL = false;\n\t\t\t_historyChanged = false;\n\t\t\t_initialHash = _getHash();\n\t\t\t_supportsPushState = ('pushState' in history);\n\n\n\t\t\tif(_initialHash.indexOf('gid=') > -1) {\n\t\t\t\t_initialHash = _initialHash.split('&gid=')[0];\n\t\t\t\t_initialHash = _initialHash.split('?gid=')[0];\n\t\t\t}\n\t\t\t\n\n\t\t\t_listen('afterChange', self.updateURL);\n\t\t\t_listen('unbindEvents', function() {\n\t\t\t\tframework.unbind(window, 'hashchange', self.onHashChange);\n\t\t\t});\n\n\n\t\t\tvar returnToOriginal = function() {\n\t\t\t\t_hashReseted = true;\n\t\t\t\tif(!_closedFromURL) {\n\n\t\t\t\t\tif(_urlChangedOnce) {\n\t\t\t\t\t\thistory.back();\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tif(_initialHash) {\n\t\t\t\t\t\t\t_windowLoc.hash = _initialHash;\n\t\t\t\t\t\t} else {\n\t\t\t\t\t\t\tif (_supportsPushState) {\n\n\t\t\t\t\t\t\t\t// remove hash from url without refreshing it or scrolling to top\n\t\t\t\t\t\t\t\thistory.pushState('', document.title,  _windowLoc.pathname + _windowLoc.search );\n\t\t\t\t\t\t\t} else {\n\t\t\t\t\t\t\t\t_windowLoc.hash = '';\n\t\t\t\t\t\t\t}\n\t\t\t\t\t\t}\n\t\t\t\t\t}\n\t\t\t\t\t\n\t\t\t\t}\n\n\t\t\t\t_cleanHistoryTimeouts();\n\t\t\t};\n\n\n\t\t\t_listen('unbindEvents', function() {\n\t\t\t\tif(_closedByScroll) {\n\t\t\t\t\t// if PhotoSwipe is closed by scroll, we go \"back\" before the closing animation starts\n\t\t\t\t\t// this is done to keep the scroll position\n\t\t\t\t\treturnToOriginal();\n\t\t\t\t}\n\t\t\t});\n\t\t\t_listen('destroy', function() {\n\t\t\t\tif(!_hashReseted) {\n\t\t\t\t\treturnToOriginal();\n\t\t\t\t}\n\t\t\t});\n\t\t\t_listen('firstUpdate', function() {\n\t\t\t\t_currentItemIndex = _parseItemIndexFromURL().pid;\n\t\t\t});\n\n\t\t\t\n\n\t\t\t\n\t\t\tvar index = _initialHash.indexOf('pid=');\n\t\t\tif(index > -1) {\n\t\t\t\t_initialHash = _initialHash.substring(0, index);\n\t\t\t\tif(_initialHash.slice(-1) === '&') {\n\t\t\t\t\t_initialHash = _initialHash.slice(0, -1);\n\t\t\t\t}\n\t\t\t}\n\t\t\t\n\n\t\t\tsetTimeout(function() {\n\t\t\t\tif(_isOpen) { // hasn't destroyed yet\n\t\t\t\t\tframework.bind(window, 'hashchange', self.onHashChange);\n\t\t\t\t}\n\t\t\t}, 40);\n\t\t\t\n\t\t},\n\t\tonHashChange: function() {\n\n\t\t\tif(_getHash() === _initialHash) {\n\n\t\t\t\t_closedFromURL = true;\n\t\t\t\tself.close();\n\t\t\t\treturn;\n\t\t\t}\n\t\t\tif(!_hashChangedByScript) {\n\n\t\t\t\t_hashChangedByHistory = true;\n\t\t\t\tself.goTo( _parseItemIndexFromURL().pid );\n\t\t\t\t_hashChangedByHistory = false;\n\t\t\t}\n\t\t\t\n\t\t},\n\t\tupdateURL: function() {\n\n\t\t\t// Delay the update of URL, to avoid lag during transition, \n\t\t\t// and to not to trigger actions like \"refresh page sound\" or \"blinking favicon\" to often\n\t\t\t\n\t\t\t_cleanHistoryTimeouts();\n\t\t\t\n\n\t\t\tif(_hashChangedByHistory) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\tif(!_historyChanged) {\n\t\t\t\t_updateHash(); // first time\n\t\t\t} else {\n\t\t\t\t_historyUpdateTimeout = setTimeout(_updateHash, 800);\n\t\t\t}\n\t\t}\n\t\n\t}\n});\n\n\n/*>>history*/\n\tframework.extend(self, publicMethods); };\n\treturn PhotoSwipe;\n});"],"sourceRoot":""}