text: /**
   * Copyright (c) Tiny Technologies, Inc. All rights reserved.
   * Licensed under the LGPL or a commercial license.
   * For LGPL see License.txt in the project root for license information.
   * For commercial licenses see https://www.tiny.cloud/
   *
   * Version: 5.7.1 (2021-03-17)
   */
  (function () {
      'use strict';
  
      var Cell = function (initial) {
        var value = initial;
        var get = function () {
          return value;
        };
        var set = function (v) {
          value = v;
        };
        return {
          get: get,
          set: set
        };
      };
  
      var global = tinymce.util.Tools.resolve('tinymce.PluginManager');
  
      var get = function (fullscreenState) {
        return {
          isFullscreen: function () {
            return fullscreenState.get() !== null;
          }
        };
      };
  
      var noop = function () {
      };
      var compose = function (fa, fb) {
        return function () {
          var args = [];
          for (var _i = 0; _i < arguments.length; _i++) {
            args[_i] = arguments[_i];
          }
          return fa(fb.apply(null, args));
        };
      };
      var compose1 = function (fbc, fab) {
        return function (a) {
          return fbc(fab(a));
        };
      };
      var constant = function (value) {
        return function () {
          return value;
        };
      };
      function curry(fn) {
        var initialArgs = [];
        for (var _i = 1; _i < arguments.length; _i++) {
          initialArgs[_i - 1] = arguments[_i];
        }
        return function () {
          var restArgs = [];
          for (var _i = 0; _i < arguments.length; _i++) {
            restArgs[_i] = arguments[_i];
          }
          var all = initialArgs.concat(restArgs);
          return fn.apply(null, all);
        };
      }
      var never = constant(false);
      var always = constant(true);
  
      var none = function () {
        return NONE;
      };
      var NONE = function () {
        var eq = function (o) {
          return o.isNone();
        };
        var call = function (thunk) {
          return thunk();
        };
        var id = function (n) {
          return n;
        };
        var me = {
          fold: function (n, _s) {
            return n();
          },
          is: never,
          isSome: never,
          isNone: always,
          getOr: id,
          getOrThunk: call,
          getOrDie: function (msg) {
            throw new Error(msg || 'error: getOrDie called on none.');
          },
          getOrNull: constant(null),
          getOrUndefined: constant(undefined),
          or: id,
          orThunk: call,
          map: none,
          each: noop,
          bind: none,
          exists: never,
          forall: always,
          filter: none,
          equals: eq,
          equals_: eq,
          toArray: function () {
            return [];
          },
          toString: constant('none()')
        };
        return me;
      }();
      var some = function (a) {
        var constant_a = constant(a);
        var self = function () {
          return me;
        };
        var bind = function (f) {
          return f(a);
        };
        var me = {
          fold: function (n, s) {
            return s(a);
          },
          is: function (v) {
            return a === v;
          },
          isSome: always,
          isNone: never,
          getOr: constant_a,
          getOrThunk: constant_a,
          getOrDie: constant_a,
          getOrNull: constant_a,
          getOrUndefined: constant_a,
          or: self,
          orThunk: self,
          map: function (f) {
            return some(f(a));
          },
          each: function (f) {
            f(a);
          },
          bind: bind,
          exists: bind,
          forall: bind,
          filter: function (f) {
            return f(a) ? me : NONE;
          },
          toArray: function () {
            return [a];
          },
          toString: function () {
            return 'some(' + a + ')';
          },
          equals: function (o) {
            return o.is(a);
          },
          equals_: function (o, elementEq) {
            return o.fold(never, function (b) {
              return elementEq(a, b);
            });
          }
        };
        return me;
      };
      var from = function (value) {
        return value === null || value === undefined ? NONE : some(value);
      };
      var Optional = {
        some: some,
        none: none,
        from: from
      };
  
      var revocable = function (doRevoke) {
        var subject = Cell(Optional.none());
        var revoke = function () {
          return subject.get().each(doRevoke);
        };
        var clear = function () {
          revoke();
          subject.set(Optional.none());
        };
        var isSet = function () {
          return subject.get().isSome();
        };
        var set = function (s) {
          revoke();
          subject.set(Optional.some(s));
        };
        return {
          clear: clear,
          isSet: isSet,
          set: set
        };
      };
      var unbindable = function () {
        return revocable(function (s) {
          return s.unbind();
        });
      };
      var value = function () {
        var subject = Cell(Optional.none());
        var clear = function () {
          return subject.set(Optional.none());
        };
        var set = function (s) {
          return subject.set(Optional.some(s));
        };
        var isSet = function () {
          return subject.get().isSome();
        };
        var on = function (f) {
          return subject.get().each(f);
        };
        return {
          clear: clear,
          set: set,
          isSet: isSet,
          on: on
        };
      };
  
      var typeOf = function (x) {
        var t = typeof x;
        if (x === null) {
          return 'null';
        } else if (t === 'object' && (Array.prototype.isPrototypeOf(x) || x.constructor && x.constructor.name === 'Array')) {
          return 'array';
        } else if (t === 'object' && (String.prototype.isPrototypeOf(x) || x.constructor && x.constructor.name === 'String')) {
          return 'string';
        } else {
          return t;
        }
      };
      var isType = function (type) {
        return function (value) {
          return typeOf(value) === type;
        };
      };
      var isSimpleType = function (type) {
        return function (value) {
          return typeof value === type;
        };
      };
      var isString = isType('string');
      var isArray = isType('array');
      var isBoolean = isSimpleType('boolean');
      var isNullable = function (a) {
        return a === null || a === undefined;
      };
      var isNonNullable = function (a) {
        return !isNullable(a);
      };
      var isFunction = isSimpleType('function');
      var isNumber = isSimpleType('number');
  
      var nativePush = Array.prototype.push;
      var map = function (xs, f) {
        var len = xs.length;
        var r = new Array(len);
        for (var i = 0; i < len; i++) {
          var x = xs[i];
          r[i] = f(x, i);
        }
        return r;
      };
      var each = function (xs, f) {
        for (var i = 0, len = xs.length; i < len; i++) {
          var x = xs[i];
          f(x, i);
        }
      };
      var filter = function (xs, pred) {
        var r = [];
        for (var i = 0, len = xs.length; i < len; i++) {
          var x = xs[i];
          if (pred(x, i)) {
            r.push(x);
          }
        }
        return r;
      };
      var flatten = function (xs) {
        var r = [];
        for (var i = 0, len = xs.length; i < len; ++i) {
          if (!isArray(xs[i])) {
            throw new Error('Arr.flatten item ' + i + ' was not an array, input: ' + xs);
          }
          nativePush.apply(r, xs[i]);
        }
        return r;
      };
      var bind = function (xs, f) {
        return flatten(map(xs, f));
      };
      var get$1 = function (xs, i) {
        return i >= 0 && i < xs.length ? Optional.some(xs[i]) : Optional.none();
      };
      var head = function (xs) {
        return get$1(xs, 0);
      };
  
      var keys = Object.keys;
      var each$1 = function (obj, f) {
        var props = keys(obj);
        for (var k = 0, len = props.length; k < len; k++) {
          var i = props[k];
          var x = obj[i];
          f(x, i);
        }
      };
  
      var isSupported = function (dom) {
        return dom.style !== undefined && isFunction(dom.style.getPropertyValue);
      };
  
      var fromHtml = function (html, scope) {
        var doc = scope || document;
        var div = doc.createElement('div');
        div.innerHTML = html;
        if (!div.hasChildNodes() || div.childNodes.length > 1) {
          console.error('HTML does not have a single root node', html);
          throw new Error('HTML must have a single root node');
        }
        return fromDom(div.childNodes[0]);
      };
      var fromTag = function (tag, scope) {
        var doc = scope || document;
        var node = doc.createElement(tag);
        return fromDom(node);
      };
      var fromText = function (text, scope) {
        var doc = scope || document;
        var node = doc.createTextNode(text);
        return fromDom(node);
      };
      var fromDom = function (node) {
        if (node === null || node === undefined) {
          throw new Error('Node cannot be null or undefined');
        }
        return { dom: node };
      };
      var fromPoint = function (docElm, x, y) {
        return Optional.from(docElm.dom.elementFromPoint(x, y)).map(fromDom);
      };
      var SugarElement = {
        fromHtml: fromHtml,
        fromTag: fromTag,
        fromText: fromText,
        fromDom: fromDom,
        fromPoint: fromPoint
      };
  
      var Global = typeof window !== 'undefined' ? window : Function('return this;')();
  
      var DOCUMENT = 9;
      var DOCUMENT_FRAGMENT = 11;
      var ELEMENT = 1;
      var TEXT = 3;
  
      var type = function (element) {
        return element.dom.nodeType;
      };
      var isType$1 = function (t) {
        return function (element) {
          return type(element) === t;
        };
      };
      var isElement = isType$1(ELEMENT);
      var isText = isType$1(TEXT);
      var isDocument = isType$1(DOCUMENT);
      var isDocumentFragment = isType$1(DOCUMENT_FRAGMENT);
  
      var is = function (element, selector) {
        var dom = element.dom;
        if (dom.nodeType !== ELEMENT) {
          return false;
        } else {
          var elem = dom;
          if (elem.matches !== undefined) {
            return elem.matches(selector);
          } else if (elem.msMatchesSelector !== undefined) {
            return elem.msMatchesSelector(selector);
          } else if (elem.webkitMatchesSelector !== undefined) {
            return elem.webkitMatchesSelector(selector);
          } else if (elem.mozMatchesSelector !== undefined) {
            return elem.mozMatchesSelector(selector);
          } else {
            throw new Error('Browser lacks native selectors');
          }
        }
      };
      var bypassSelector = function (dom) {
        return dom.nodeType !== ELEMENT && dom.nodeType !== DOCUMENT && dom.nodeType !== DOCUMENT_FRAGMENT || dom.childElementCount === 0;
      };
      var all = function (selector, scope) {
        var base = scope === undefined ? document : scope.dom;
        return bypassSelector(base) ? [] : map(base.querySelectorAll(selector), SugarElement.fromDom);
      };
  
      var eq = function (e1, e2) {
        return e1.dom === e2.dom;
      };
  
      var owner = function (element) {
        return SugarElement.fromDom(element.dom.ownerDocument);
      };
      var documentOrOwner = function (dos) {
        return isDocument(dos) ? dos : owner(dos);
      };
      var parent = function (element) {
        return Optional.from(element.dom.parentNode).map(SugarElement.fromDom);
      };
      var parents = function (element, isRoot) {
        var stop = isFunction(isRoot) ? isRoot : never;
        var dom = element.dom;
        var ret = [];
        while (dom.parentNode !== null && dom.parentNode !== undefined) {
          var rawParent = dom.parentNode;
          var p = SugarElement.fromDom(rawParent);
          ret.push(p);
          if (stop(p) === true) {
            break;
          } else {
            dom = rawParent;
          }
        }
        return ret;
      };
      var siblings = function (element) {
        var filterSelf = function (elements) {
          return filter(elements, function (x) {
            return !eq(element, x);
          });
        };
        return parent(element).map(children).map(filterSelf).getOr([]);
      };
      var children = function (element) {
        return map(element.dom.childNodes, SugarElement.fromDom);
      };
  
      var isShadowRoot = function (dos) {
        return isDocumentFragment(dos) && isNonNullable(dos.dom.host);
      };
      var supported = isFunction(Element.prototype.attachShadow) && isFunction(Node.prototype.getRootNode);
      var isSupported$1 = constant(supported);
      var getRootNode = supported ? function (e) {
        return SugarElement.fromDom(e.dom.getRootNode());
      } : documentOrOwner;
      var getShadowRoot = function (e) {
        var r = getRootNode(e);
        return isShadowRoot(r) ? Optional.some(r) : Optional.none();
      };
      var getShadowHost = function (e) {
        return SugarElement.fromDom(e.dom.host);
      };
      var getOriginalEventTarget = function (event) {
        if (isSupported$1() && isNonNullable(event.target)) {
          var el = SugarElement.fromDom(event.target);
          if (isElement(el) && isOpenShadowHost(el)) {
            if (event.composed && event.composedPath) {
              var composedPath = event.composedPath();
              if (composedPath) {
                return head(composedPath);
              }
            }
          }
        }
        return Optional.from(event.target);
      };
      var isOpenShadowHost = function (element) {
        return isNonNullable(element.dom.shadowRoot);
      };
  
      var inBody = function (element) {
        var dom = isText(element) ? element.dom.parentNode : element.dom;
        if (dom === undefined || dom === null || dom.ownerDocument === null) {
          return false;
        }
        var doc = dom.ownerDocument;
        return getShadowRoot(SugarElement.fromDom(dom)).fold(function () {
          return doc.body.contains(dom);
        }, compose1(inBody, getShadowHost));
      };
      var getBody = function (doc) {
        var b = doc.dom.body;
        if (b === null || b === undefined) {
          throw new Error('Body is not available yet');
        }
        return SugarElement.fromDom(b);
      };
  
      var rawSet = function (dom, key, value) {
        if (isString(value) || isBoolean(value) || isNumber(value)) {
          dom.setAttribute(key, value + '');
        } else {
          console.error('Invalid call to Attribute.set. Key ', key, ':: Value ', value, ':: Element ', dom);
          throw new Error('Attribute value was not simple');
        }
      };
      var set = function (element, key, value) {
        rawSet(element.dom, key, value);
      };
      var get$2 = function (element, key) {
        var v = element.dom.getAttribute(key);
        return v === null ? undefined : v;
      };
      var remove = function (element, key) {
        element.dom.removeAttribute(key);
      };
  
      var internalSet = function (dom, property, value) {
        if (!isString(value)) {
          console.error('Invalid call to CSS.set. Property ', property, ':: Value ', value, ':: Element ', dom);
          throw new Error('CSS value must be a string: ' + value);
        }
        if (isSupported(dom)) {
          dom.style.setProperty(property, value);
        }
      };
      var setAll = function (element, css) {
        var dom = element.dom;
        each$1(css, function (v, k) {
          internalSet(dom, k, v);
        });
      };
      var get$3 = function (element, property) {
        var dom = element.dom;
        var styles = window.getComputedStyle(dom);
        var r = styles.getPropertyValue(property);
        return r === '' && !inBody(element) ? getUnsafeProperty(dom, property) : r;
      };
      var getUnsafeProperty = function (dom, property) {
        return isSupported(dom) ? dom.style.getPropertyValue(property) : '';
      };
  
      var mkEvent = function (target, x, y, stop, prevent, kill, raw) {
        return {
          target: target,
          x: x,
          y: y,
          stop: stop,
          prevent: prevent,
          kill: kill,
          raw: raw
        };
      };
      var fromRawEvent = function (rawEvent) {
        var target = SugarElement.fromDom(getOriginalEventTarget(rawEvent).getOr(rawEvent.target));
        var stop = function () {
          return rawEvent.stopPropagation();
        };
        var prevent = function () {
          return rawEvent.preventDefault();
        };
        var kill = compose(prevent, stop);
        return mkEvent(target, rawEvent.clientX, rawEvent.clientY, stop, prevent, kill, rawEvent);
      };
      var handle = function (filter, handler) {
        return function (rawEvent) {
          if (filter(rawEvent)) {
            handler(fromRawEvent(rawEvent));
          }
        };
      };
      var binder = function (element, event, filter, handler, useCapture) {
        var wrapped = handle(filter, handler);
        element.dom.addEventListener(event, wrapped, useCapture);
        return { unbind: curry(unbind, element, event, wrapped, useCapture) };
      };
      var bind$1 = function (element, event, filter, handler) {
        return binder(element, event, filter, handler, false);
      };
      var unbind = function (element, event, handler, useCapture) {
        element.dom.removeEventListener(event, handler, useCapture);
      };
  
      var filter$1 = always;
      var bind$2 = function (element, event, handler) {
        return bind$1(element, event, filter$1, handler);
      };
  
      var r = function (left, top) {
        var translate = function (x, y) {
          return r(left + x, top + y);
        };
        return {
          left: left,
          top: top,
          translate: translate
        };
      };
      var SugarPosition = r;
  
      var get$4 = function (_DOC) {
        var doc = _DOC !== undefined ? _DOC.dom : document;
        var x = doc.body.scrollLeft || doc.documentElement.scrollLeft;
        var y = doc.body.scrollTop || doc.documentElement.scrollTop;
        return SugarPosition(x, y);
      };
  
      var get$5 = function (_win) {
        var win = _win === undefined ? window : _win;
        return Optional.from(win['visualViewport']);
      };
      var bounds = function (x, y, width, height) {
        return {
          x: x,
          y: y,
          width: width,
          height: height,
          right: x + width,
          bottom: y + height
        };
      };
      var getBounds = function (_win) {
        var win = _win === undefined ? window : _win;
        var doc = win.document;
        var scroll = get$4(SugarElement.fromDom(doc));
        return get$5(win).fold(function () {
          var html = win.document.documentElement;
          var width = html.clientWidth;
          var height = html.clientHeight;
          return bounds(scroll.left, scroll.top, width, height);
        }, function (visualViewport) {
          return bounds(Math.max(visualViewport.pageLeft, scroll.left), Math.max(visualViewport.pageTop, scroll.top), visualViewport.width, visualViewport.height);
        });
      };
      var bind$3 = function (name, callback, _win) {
        return get$5(_win).map(function (visualViewport) {
          var handler = function (e) {
            return callback(fromRawEvent(e));
          };
          visualViewport.addEventListener(name, handler);
          return {
            unbind: function () {
              return visualViewport.removeEventListener(name, handler);
            }
          };
        }).getOrThunk(function () {
          return { unbind: noop };
        });
      };
  
      var global$1 = tinymce.util.Tools.resolve('tinymce.dom.DOMUtils');
  
      var global$2 = tinymce.util.Tools.resolve('tinymce.Env');
  
      var global$3 = tinymce.util.Tools.resolve('tinymce.util.Delay');
  
      var fireFullscreenStateChanged = function (editor, state) {
        editor.fire('FullscreenStateChanged', { state: state });
      };
  
      var getFullscreenNative = function (editor) {
        return editor.getParam('fullscreen_native', false, 'boolean');
      };
  
      var getFullscreenRoot = function (editor) {
        var elem = SugarElement.fromDom(editor.getElement());
        return getShadowRoot(elem).map(getShadowHost).getOrThunk(function () {
          return getBody(owner(elem));
        });
      };
      var getFullscreenElement = function (root) {
        if (root.fullscreenElement !== undefined) {
          return root.fullscreenElement;
        } else if (root.msFullscreenElement !== undefined) {
          return root.msFullscreenElement;
        } else if (root.webkitFullscreenElement !== undefined) {
          return root.webkitFullscreenElement;
        } else {
          return null;
        }
      };
      var getFullscreenchangeEventName = function () {
        if (document.fullscreenElement !== undefined) {
          return 'fullscreenchange';
        } else if (document.msFullscreenElement !== undefined) {
          return 'MSFullscreenChange';
        } else if (document.webkitFullscreenElement !== undefined) {
          return 'webkitfullscreenchange';
        } else {
          return 'fullscreenchange';
        }
      };
      var requestFullscreen = function (sugarElem) {
        var elem = sugarElem.dom;
        if (elem.requestFullscreen) {
          elem.requestFullscreen();
        } else if (elem.msRequestFullscreen) {
          elem.msRequestFullscreen();
        } else if (elem.webkitRequestFullScreen) {
          elem.webkitRequestFullScreen();
        }
      };
      var exitFullscreen = function (sugarDoc) {
        var doc = sugarDoc.dom;
        if (doc.exitFullscreen) {
          doc.exitFullscreen();
        } else if (doc.msExitFullscreen) {
          doc.msExitFullscreen();
        } else if (doc.webkitCancelFullScreen) {
          doc.webkitCancelFullScreen();
        }
      };
      var isFullscreenElement = function (elem) {
        return elem.dom === getFullscreenElement(owner(elem).dom);
      };
  
      var ancestors = function (scope, predicate, isRoot) {
        return filter(parents(scope, isRoot), predicate);
      };
      var siblings$1 = function (scope, predicate) {
        return filter(siblings(scope), predicate);
      };
  
      var all$1 = function (selector) {
        return all(selector);
      };
      var ancestors$1 = function (scope, selector, isRoot) {
        return ancestors(scope, function (e) {
          return is(e, selector);
        }, isRoot);
      };
      var siblings$2 = function (scope, selector) {
        return siblings$1(scope, function (e) {
          return is(e, selector);
        });
      };
  
      var attr = 'data-ephox-mobile-fullscreen-style';
      var siblingStyles = 'display:none!important;';
      var ancestorPosition = 'position:absolute!important;';
      var ancestorStyles = 'top:0!important;left:0!important;margin:0!important;padding:0!important;width:100%!important;height:100%!important;overflow:visible!important;';
      var bgFallback = 'background-color:rgb(255,255,255)!important;';
      var isAndroid = global$2.os.isAndroid();
      var matchColor = function (editorBody) {
        var color = get$3(editorBody, 'background-color');
        return color !== undefined && color !== '' ? 'background-color:' + color + '!important' : bgFallback;
      };
      var clobberStyles = function (dom, container, editorBody) {
        var gatherSiblings = function (element) {
          return siblings$2(element, '*:not(.tox-silver-sink)');
        };
        var clobber = function (clobberStyle) {
          return function (element) {
            var styles = get$2(element, 'style');
            var backup = styles === undefined ? 'no-styles' : styles.trim();
            if (backup === clobberStyle) {
              return;
            } else {
              set(element, attr, backup);
              setAll(element, dom.parseStyle(clobberStyle));
            }
          };
        };
        var ancestors = ancestors$1(container, '*');
        var siblings = bind(ancestors, gatherSiblings);
        var bgColor = matchColor(editorBody);
        each(siblings, clobber(siblingStyles));
        each(ancestors, clobber(ancestorPosition + ancestorStyles + bgColor));
        var containerStyles = isAndroid === true ? '' : ancestorPosition;
        clobber(containerStyles + ancestorStyles + bgColor)(container);
      };
      var restoreStyles = function (dom) {
        var clobberedEls = all$1('[' + attr + ']');
        each(clobberedEls, function (element) {
          var restore = get$2(element, attr);
          if (restore !== 'no-styles') {
            setAll(element, dom.parseStyle(restore));
          } else {
            remove(element, 'style');
          }
          remove(element, attr);
        });
      };
  
      var DOM = global$1.DOM;
      var getScrollPos = function () {
        var vp = getBounds(window);
        return {
          x: vp.x,
          y: vp.y
        };
      };
      var setScrollPos = function (pos) {
        window.scrollTo(pos.x, pos.y);
      };
      var viewportUpdate = get$5().fold(function () {
        return {
          bind: noop,
          unbind: noop
        };
      }, function (visualViewport) {
        var editorContainer = value();
        var resizeBinder = unbindable();
        var scrollBinder = unbindable();
        var refreshScroll = function () {
          document.body.scrollTop = 0;
          document.documentElement.scrollTop = 0;
        };
        var refreshVisualViewport = function () {
          window.requestAnimationFrame(function () {
            editorContainer.on(function (container) {
              return setAll(container, {
                top: visualViewport.offsetTop + 'px',
                left: visualViewport.offsetLeft + 'px',
                height: visualViewport.height + 'px',
                width: visualViewport.width + 'px'
              });
            });
          });
        };
        var update = global$3.throttle(function () {
          refreshScroll();
          refreshVisualViewport();
        }, 50);
        var bind = function (element) {
          editorContainer.set(element);
          update();
          resizeBinder.set(bind$3('resize', update));
          scrollBinder.set(bind$3('scroll', update));
        };
        var unbind = function () {
          editorContainer.on(function () {
            resizeBinder.clear();
            scrollBinder.clear();
          });
          editorContainer.clear();
        };
        return {
          bind: bind,
          unbind: unbind
        };
      });
      var toggleFullscreen = function (editor, fullscreenState) {
        var body = document.body;
        var documentElement = document.documentElement;
        var editorContainer = editor.getContainer();
        var editorContainerS = SugarElement.fromDom(editorContainer);
        var fullscreenRoot = getFullscreenRoot(editor);
        var fullscreenInfo = fullscreenState.get();
        var editorBody = SugarElement.fromDom(editor.getBody());
        var isTouch = global$2.deviceType.isTouch();
        var editorContainerStyle = editorContainer.style;
        var iframe = editor.iframeElement;
        var iframeStyle = iframe.style;
        var handleClasses = function (handler) {
          handler(body, 'tox-fullscreen');
          handler(documentElement, 'tox-fullscreen');
          handler(editorContainer, 'tox-fullscreen');
          getShadowRoot(editorContainerS).map(function (root) {
            return getShadowHost(root).dom;
          }).each(function (host) {
            handler(host, 'tox-fullscreen');
            handler(host, 'tox-shadowhost');
          });
        };
        var cleanup = function () {
          if (isTouch) {
            restoreStyles(editor.dom);
          }
          handleClasses(DOM.removeClass);
          viewportUpdate.unbind();
          Optional.from(fullscreenState.get()).each(function (info) {
            return info.fullscreenChangeHandler.unbind();
          });
        };
        if (!fullscreenInfo) {
          var fullscreenChangeHandler = bind$2(owner(fullscreenRoot), getFullscreenchangeEventName(), function (_evt) {
            if (getFullscreenNative(editor)) {
              if (!isFullscreenElement(fullscreenRoot) && fullscreenState.get() !== null) {
                toggleFullscreen(editor, fullscreenState);
              }
            }
          });
          var newFullScreenInfo = {
            scrollPos: getScrollPos(),
            containerWidth: editorContainerStyle.width,
            containerHeight: editorContainerStyle.height,
            containerTop: editorContainerStyle.top,
            containerLeft: editorContainerStyle.left,
            iframeWidth: iframeStyle.width,
            iframeHeight: iframeStyle.height,
            fullscreenChangeHandler: fullscreenChangeHandler
          };
          if (isTouch) {
            clobberStyles(editor.dom, editorContainerS, editorBody);
          }
          iframeStyle.width = iframeStyle.height = '100%';
          editorContainerStyle.width = editorContainerStyle.height = '';
          handleClasses(DOM.addClass);
          viewportUpdate.bind(editorContainerS);
          editor.on('remove', cleanup);
          fullscreenState.set(newFullScreenInfo);
          if (getFullscreenNative(editor)) {
            requestFullscreen(fullscreenRoot);
          }
          fireFullscreenStateChanged(editor, true);
        } else {
          fullscreenInfo.fullscreenChangeHandler.unbind();
          if (getFullscreenNative(editor) && isFullscreenElement(fullscreenRoot)) {
            exitFullscreen(owner(fullscreenRoot));
          }
          iframeStyle.width = fullscreenInfo.iframeWidth;
          iframeStyle.height = fullscreenInfo.iframeHeight;
          editorContainerStyle.width = fullscreenInfo.containerWidth;
          editorContainerStyle.height = fullscreenInfo.containerHeight;
          editorContainerStyle.top = fullscreenInfo.containerTop;
          editorContainerStyle.left = fullscreenInfo.containerLeft;
          setScrollPos(fullscreenInfo.scrollPos);
          fullscreenState.set(null);
          fireFullscreenStateChanged(editor, false);
          cleanup();
          editor.off('remove', cleanup);
        }
      };
  
      var register = function (editor, fullscreenState) {
        editor.addCommand('mceFullScreen', function () {
          toggleFullscreen(editor, fullscreenState);
        });
      };
  
      var makeSetupHandler = function (editor, fullscreenState) {
        return function (api) {
          api.setActive(fullscreenState.get() !== null);
          var editorEventCallback = function (e) {
            return api.setActive(e.state);
          };
          editor.on('FullscreenStateChanged', editorEventCallback);
          return function () {
            return editor.off('FullscreenStateChanged', editorEventCallback);
          };
        };
      };
      var register$1 = function (editor, fullscreenState) {
        editor.ui.registry.addToggleMenuItem('fullscreen', {
          text: 'Fullscreen',
          icon: 'fullscreen',
          shortcut: 'Meta+Shift+F',
          onAction: function () {
            return editor.execCommand('mceFullScreen');
          },
          onSetup: makeSetupHandler(editor, fullscreenState)
        });
        editor.ui.registry.addToggleButton('fullscreen', {
          tooltip: 'Fullscreen',
          icon: 'fullscreen',
          onAction: function () {
            return editor.execCommand('mceFullScreen');
          },
          onSetup: makeSetupHandler(editor, fullscreenState)
        });
      };
  
      function Plugin () {
        global.add('fullscreen', function (editor) {
          var fullscreenState = Cell(null);
          if (editor.inline) {
            return get(fullscreenState);
          }
          register(editor, fullscreenState);
          register$1(editor, fullscreenState);
          editor.addShortcut('Meta+Shift+F', '', 'mceFullScreen');
          return get(fullscreenState);
        });
      }
  
      Plugin();
  
  }());
  