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global BookReader */\n\n/**\n * Toggles browser's native fullscreen mode if available device is not mobile\n */\nif (!isMobile()) {\n  const EVENT_NAMESPACE = '.bookreader_vendor-fullscreen';\n\n  jQuery.extend(BookReader.defaultOptions, {\n    /** @type {boolean} */\n    enableVendorFullscreenPlugin: true\n  });\n\n  /** @override */\n  BookReader.prototype.setup = (function(super_) {\n    return function(options) {\n      super_.call(this, options);\n\n      this.isVendorFullscreenActive = false;\n    };\n  })(BookReader.prototype.setup);\n\n  /** @override */\n  BookReader.prototype.getInitialMode = (function(super_) {\n    return function(params) {\n      let nextMode = super_.call(this, params);\n      if (this.isVendorFullscreenActive) {\n        nextMode = this.constMode1up;\n      }\n      return nextMode;\n    };\n  })(BookReader.prototype.getInitialMode);\n\n  /** @override */\n  BookReader.prototype.init = (function(super_) {\n    return function() {\n      super_.call(this);\n\n      if (!fullscreenAllowed()) {\n        return;\n      }\n      // In fullscreen mode the colorbox and overlay need to be inside the fullscreen element to display properly.\n      bindFullscreenChangeListener(this, (e) => {\n        e.data.resize();\n        e.data.updateBrClasses();\n        const cboxOverlay = $('#cboxOverlay');\n        const cbox = $('#colorbox');\n        if (isFullscreenActive()) {\n          // In full screen mode, the colorbox and overlay need\n          // to be children of the fullscreen element to display properly.\n          const $fullscreen = $(getFullscreenElement());\n          $fullscreen.append(cboxOverlay).append(cbox);\n        } else {\n          // In non-fullscreen mode, the colorbox and overlay need\n          // to be children of the main document body.\n          $(document.body).append(cboxOverlay).append(cbox);\n        }\n      });\n    }\n  })(BookReader.prototype.init);\n\n  /**\n   * Start fullscreen mode\n   */\n  BookReader.prototype.enterFullWindow = function() {\n    this.refs.$brContainer.css('opacity', 0);\n\n    const windowWidth = $(window).width();\n    if (windowWidth <= this.onePageMinBreakpoint) {\n      this.switchMode(this.constMode1up);\n    }\n\n    this.isVendorFullscreenActive = true;\n    this.updateBrClasses();\n\n    this.resize();\n    this.jumpToIndex(this.currentIndex());\n\n    this.refs.$brContainer.animate({ opacity: 1 }, 400, 'linear');\n\n    $(document).on(`keyup.${EVENT_NAMESPACE}`, e => {\n      if (e.keyCode === 27) this.exitFullScreen();\n    });\n  };\n\n  /**\n   * Exit from fullscreen mode\n   */\n  BookReader.prototype.exitFullWindow = function() {\n    this.refs.$brContainer.css('opacity', 0);\n\n    $(document).off('keyup' + EVENT_NAMESPACE);\n\n    this.isFullscreenActive = false;\n    this.updateBrClasses()\n\n    this.resize();\n    this.refs.$brContainer.animate({ opacity: 1 }, 400, 'linear');\n  };\n\n  /**\n   * Returns true if fullscreen mode is enabled\n   *\n   * @returns {boolean}\n   */\n  BookReader.prototype.isFullscreen = function() {\n    return isFullscreenActive() || this.isVendorFullscreenActive;\n  };\n\n  /**\n   * Toggle screen\n   */\n  BookReader.prototype.toggleFullscreen = function() {\n    if (this.isFullscreen()) {\n      if (fullscreenAllowed()) {\n        exitFullscreen();\n      } else {\n        this.exitFullWindow();\n      }\n    } else {\n      if (fullscreenAllowed()) {\n        requestFullscreen(this.refs.$br[0]);\n      } else {\n        this.enterFullWindow();\n      }\n    }\n  };\n\n  /** @deprecated */\n  BookReader.util.isMobile = isMobile;\n\n  /** @deprecated */\n  BookReader.util.getFullscreenElement = getFullscreenElement;\n\n  /** @deprecated */\n  BookReader.util.bindFullscreenChangeListener = bindFullscreenChangeListener;\n\n  /** @deprecated */\n  BookReader.util.fullscreenAllowed = fullscreenAllowed;\n\n  /** @deprecated */\n  BookReader.util.requestFullscreen = requestFullscreen;\n\n  /** @deprecated */\n  BookReader.util.exitFullscreen = exitFullscreen;\n\n  /** @deprecated */\n  BookReader.util.isFullscreenActive = isFullscreenActive;\n}\n\n\n/**\n * Returns the DOM element being used for fullscreen.\n *\n * @returns {HTMLElement}\n * @see https://developer.mozilla.org/en-US/docs/Web/API/DocumentOrShadowRoot/fullscreenElement\n */\nexport function getFullscreenElement() {\n  return document.fullscreenElement ||\n    document.webkitFullscreenElement ||\n    document.mozFullScreenElement ||\n    document.msFullscreenElement;\n}\n\n/**\n * Returns true if the document is in fullscreen mode.\n *\n * @returns {boolean}\n */\nexport function isFullscreenActive() {\n  const fullscreenElement = getFullscreenElement();\n  return fullscreenElement !== null && fullscreenElement !== undefined;\n}\n\n/**\n * Exits fullscreen mode.\n *\n * @see https://developer.mozilla.org/en-US/docs/Web/API/Document/exitFullscreen\n */\nexport function exitFullscreen() {\n  if (document.exitFullscreen) {\n    document.exitFullscreen();\n  } else if (document.webkitExitFullscreen) {\n    document.webkitExitFullscreen();\n  } else if (document.mozCancelFullScreen) {\n    document.mozCancelFullScreen();\n  } else if (document.msExitFullscreen) {\n    document.msExitFullscreen();\n  }\n}\n\n/**\n * Requests fullscreen mode for the given element\n *\n * @see https://developer.mozilla.org/en-US/docs/Web/API/Element/requestFullscreen\n */\nexport function requestFullscreen(element) {\n  if (element.requestFullscreen) {\n    element.requestFullscreen();\n  } else if (element.webkitRequestFullscreen) {\n    element.webkitRequestFullscreen();\n  } else if (element.mozRequestFullScreen) {\n    element.mozRequestFullScreen();\n  } else if (element.msRequestFullscreen) {\n    element.msRequestFullscreen();\n  }\n}\n\n/**\n * Returns true if fullscreen mode is allowed on this device and document.\n *\n * @returns {boolean}\n * @see https://developer.mozilla.org/en-US/docs/Web/API/Document/fullscreenEnabled\n */\nexport function fullscreenAllowed() {\n  return (document.fullscreenEnabled ||\n    document.webkitFullscreenEnabled ||\n    document.mozFullScreenEnabled ||\n    document.msFullScreenEnabled);\n}\n\n/**\n * jQuery-style binding to a fullscreenchange event.\n *\n * @see https://developer.mozilla.org/en-US/docs/Web/API/Document/fullscreenchange_event\n */\nexport function bindFullscreenChangeListener(\n  data, fullscreenchangeListener\n) {\n  const event = 'fullscreenchange ';\n  const vendor_prefixes = [\n    'webkit',\n    'moz',\n    'ms'\n  ];\n  const all_events = $.trim(event + vendor_prefixes.join(event) + event);\n  $(document).bind(all_events, data, fullscreenchangeListener);\n}\n\n/**\n * Returns true if current device is mobile\n *\n * @returns {boolean}\n */\nexport function isMobile() {\n  return (typeof window.orientation !== 'undefined') || (navigator.userAgent.indexOf('IEMobile') !== -1);\n}\n","var fails = require('../internals/fails');\nvar whitespaces = require('../internals/whitespaces');\n\nvar non = '\\u200B\\u0085\\u180E';\n\n// check that a method works with the correct list\n// of whitespaces and has a correct name\nmodule.exports = function (METHOD_NAME) {\n  return fails(function () {\n    return !!whitespaces[METHOD_NAME]() || non[METHOD_NAME]() != non || whitespaces[METHOD_NAME].name !== METHOD_NAME;\n  });\n};\n","var requireObjectCoercible = require('../internals/require-object-coercible');\nvar whitespaces = require('../internals/whitespaces');\n\nvar whitespace = '[' + whitespaces + ']';\nvar ltrim = RegExp('^' + whitespace + whitespace + '*');\nvar rtrim = RegExp(whitespace + whitespace + '*$');\n\n// `String.prototype.{ trim, trimStart, trimEnd, trimLeft, trimRight }` methods implementation\nvar createMethod = function (TYPE) {\n  return function ($this) {\n    var string = String(requireObjectCoercible($this));\n    if (TYPE & 1) string = string.replace(ltrim, '');\n    if (TYPE & 2) string = string.replace(rtrim, '');\n    return string;\n  };\n};\n\nmodule.exports = {\n  // `String.prototype.{ trimLeft, trimStart }` methods\n  // https://tc39.github.io/ecma262/#sec-string.prototype.trimstart\n  start: createMethod(1),\n  // `String.prototype.{ trimRight, trimEnd }` methods\n  // https://tc39.github.io/ecma262/#sec-string.prototype.trimend\n  end: createMethod(2),\n  // `String.prototype.trim` method\n  // https://tc39.github.io/ecma262/#sec-string.prototype.trim\n  trim: createMethod(3)\n};\n","// a string of all valid unicode whitespaces\n// eslint-disable-next-line max-len\nmodule.exports = '\\u0009\\u000A\\u000B\\u000C\\u000D\\u0020\\u00A0\\u1680\\u2000\\u2001\\u2002\\u2003\\u2004\\u2005\\u2006\\u2007\\u2008\\u2009\\u200A\\u202F\\u205F\\u3000\\u2028\\u2029\\uFEFF';\n","'use strict';\nvar $ = require('../internals/export');\nvar $trim = require('../internals/string-trim').trim;\nvar forcedStringTrimMethod = require('../internals/string-trim-forced');\n\n// `String.prototype.trim` method\n// https://tc39.github.io/ecma262/#sec-string.prototype.trim\n$({ target: 'String', proto: true, forced: forcedStringTrimMethod('trim') }, {\n  trim: function trim() {\n    return $trim(this);\n  }\n});\n"],"sourceRoot":""}