text: import { __assign, __extends, __rest, __spreadArrays } from "tslib";
  import * as React from 'react';
  import { ContextualMenuItemType, } from './ContextualMenu.types';
  import { DirectionalHint } from '../../common/DirectionalHint';
  import { FocusZone, FocusZoneDirection, FocusZoneTabbableElements } from '../../FocusZone';
  import { divProperties, getNativeProps, shallowCompare, warnDeprecations, Async, EventGroup, assign, classNamesFunction, css, getFirstFocusable, getId, getLastFocusable, getRTL, KeyCodes, shouldWrapFocus, isIOS, isMac, initializeComponentRef, memoizeFunction, getPropsWithDefaults, getDocument, } from '../../Utilities';
  import { hasSubmenu, getIsChecked, isItemDisabled } from '../../utilities/contextualMenu/index';
  import { Callout } from '../../Callout';
  import { ContextualMenuItem } from './ContextualMenuItem';
  import { ContextualMenuSplitButton, ContextualMenuButton, ContextualMenuAnchor, } from './ContextualMenuItemWrapper/index';
  import { concatStyleSetsWithProps } from '../../Styling';
  import { getItemStyles } from './ContextualMenu.classNames';
  import { useTarget, usePrevious, useMergedRefs } from '@fluentui/react-hooks';
  import { useResponsiveMode, ResponsiveMode } from '../../ResponsiveMode';
  import { MenuContext } from '../../utilities/MenuContext/index';
  var getClassNames = classNamesFunction();
  var getContextualMenuItemClassNames = classNamesFunction();
  // The default ContextualMenu properties have no items and beak, the default submenu direction is right and top.
  var DEFAULT_PROPS = {
      items: [],
      shouldFocusOnMount: true,
      gapSpace: 0,
      directionalHint: DirectionalHint.bottomAutoEdge,
      beakWidth: 16,
  };
  export function getSubmenuItems(item) {
      return item.subMenuProps ? item.subMenuProps.items : item.items;
  }
  /**
   * Returns true if a list of menu items can contain a checkbox
   */
  export function canAnyMenuItemsCheck(items) {
      return items.some(function (item) {
          if (item.canCheck) {
              return true;
          }
          // If the item is a section, check if any of the items in the section can check.
          if (item.sectionProps && item.sectionProps.items.some(function (submenuItem) { return submenuItem.canCheck === true; })) {
              return true;
          }
          return false;
      });
  }
  var NavigationIdleDelay = 250; /* ms */
  var COMPONENT_NAME = 'ContextualMenu';
  var _getMenuItemStylesFunction = memoizeFunction(function () {
      var styles = [];
      for (var _i = 0; _i < arguments.length; _i++) {
          styles[_i] = arguments[_i];
      }
      return function (styleProps) {
          return concatStyleSetsWithProps.apply(void 0, __spreadArrays([styleProps, getItemStyles], styles));
      };
  });
  function useVisibility(props, targetWindow) {
      var _a = props.hidden, hidden = _a === void 0 ? false : _a, onMenuDismissed = props.onMenuDismissed, onMenuOpened = props.onMenuOpened;
      var previousHidden = usePrevious(hidden);
      var onMenuOpenedRef = React.useRef(onMenuOpened);
      var onMenuClosedRef = React.useRef(onMenuDismissed);
      var propsRef = React.useRef(props);
      onMenuOpenedRef.current = onMenuOpened;
      onMenuClosedRef.current = onMenuDismissed;
      propsRef.current = props;
      React.useEffect(function () {
          var _a, _b;
          // Don't issue dismissed callbacks on initial mount
          if (hidden && previousHidden === false) {
              (_a = onMenuClosedRef.current) === null || _a === void 0 ? void 0 : _a.call(onMenuClosedRef, propsRef.current);
          }
          else if (!hidden && previousHidden !== false) {
              (_b = onMenuOpenedRef.current) === null || _b === void 0 ? void 0 : _b.call(onMenuOpenedRef, propsRef.current);
          }
      }, [hidden, previousHidden]);
      // Issue onDismissedCallback on unmount
      React.useEffect(function () { return function () { var _a; return (_a = onMenuClosedRef.current) === null || _a === void 0 ? void 0 : _a.call(onMenuClosedRef, propsRef.current); }; }, []);
  }
  function useSubMenuState(_a) {
      var hidden = _a.hidden;
      var _b = React.useState(), expandedMenuItemKey = _b[0], setExpandedMenuItemKey = _b[1];
      var _c = React.useState(), submenuTarget = _c[0], setSubmenuTarget = _c[1];
      /** True if the menu was expanded by mouse click OR hover (as opposed to by keyboard) */
      var _d = React.useState(), expandedByMouseClick = _d[0], setExpandedByMouseClick = _d[1];
      var closeSubMenu = React.useCallback(function () {
          setExpandedByMouseClick(undefined);
          setExpandedMenuItemKey(undefined);
          setSubmenuTarget(undefined);
      }, []);
      var openSubMenu = React.useCallback(function (_a, target, openedByMouseClick) {
          var submenuItemKey = _a.key;
          if (expandedMenuItemKey === submenuItemKey) {
              return;
          }
          target.focus();
          setExpandedByMouseClick(openedByMouseClick);
          setExpandedMenuItemKey(submenuItemKey);
          setSubmenuTarget(target);
      }, [expandedMenuItemKey]);
      React.useEffect(function () {
          if (hidden) {
              closeSubMenu();
          }
      }, [hidden, closeSubMenu]);
      return [expandedMenuItemKey, submenuTarget, expandedByMouseClick, openSubMenu, closeSubMenu];
  }
  function useShouldUpdateFocusOnMouseMove(_a) {
      var delayUpdateFocusOnHover = _a.delayUpdateFocusOnHover, hidden = _a.hidden;
      var shouldUpdateFocusOnMouseEvent = React.useRef(!delayUpdateFocusOnHover);
      var gotMouseMove = React.useRef(false);
      React.useEffect(function () {
          shouldUpdateFocusOnMouseEvent.current = !delayUpdateFocusOnHover;
          gotMouseMove.current = hidden ? false : !delayUpdateFocusOnHover && gotMouseMove.current;
      }, [delayUpdateFocusOnHover, hidden]);
      var onMenuFocusCapture = React.useCallback(function () {
          if (delayUpdateFocusOnHover) {
              shouldUpdateFocusOnMouseEvent.current = true;
          }
      }, [delayUpdateFocusOnHover]);
      return [shouldUpdateFocusOnMouseEvent, gotMouseMove, onMenuFocusCapture];
  }
  export var ContextualMenuBase = React.forwardRef(function (propsWithoutDefaults, forwardedRef) {
      var _a = getPropsWithDefaults(DEFAULT_PROPS, propsWithoutDefaults), ref = _a.ref, props = __rest(_a, ["ref"]);
      var rootRef = React.useRef(null);
      var hostElement = useMergedRefs(rootRef, forwardedRef);
      var _b = useTarget(props.target, hostElement), targetRef = _b[0], targetWindow = _b[1];
      var _c = useSubMenuState(props), expandedMenuItemKey = _c[0], submenuTarget = _c[1], expandedByMouseClick = _c[2], openSubMenu = _c[3], closeSubMenu = _c[4];
      var _d = useShouldUpdateFocusOnMouseMove(props), shouldUpdateFocusOnMouseEvent = _d[0], gotMouseMove = _d[1], onMenuFocusCapture = _d[2];
      var responsiveMode = useResponsiveMode(hostElement);
      useVisibility(props, targetWindow);
      return (React.createElement(ContextualMenuInternal, __assign({}, props, { hoisted: {
              hostElement: hostElement,
              targetRef: targetRef,
              targetWindow: targetWindow,
              expandedMenuItemKey: expandedMenuItemKey,
              submenuTarget: submenuTarget,
              expandedByMouseClick: expandedByMouseClick,
              openSubMenu: openSubMenu,
              closeSubMenu: closeSubMenu,
              shouldUpdateFocusOnMouseEvent: shouldUpdateFocusOnMouseEvent,
              gotMouseMove: gotMouseMove,
              onMenuFocusCapture: onMenuFocusCapture,
          }, responsiveMode: responsiveMode })));
  });
  ContextualMenuBase.displayName = 'ContextualMenuBase';
  var ContextualMenuInternal = /** @class */ (function (_super) {
      __extends(ContextualMenuInternal, _super);
      function ContextualMenuInternal(props) {
          var _this = _super.call(this, props) || this;
          _this._mounted = false;
          _this.dismiss = function (ev, dismissAll) {
              var onDismiss = _this.props.onDismiss;
              if (onDismiss) {
                  onDismiss(ev, dismissAll);
              }
          };
          _this._tryFocusPreviousActiveElement = function (options) {
              var _a, _b;
              if (options && options.documentContainsFocus && _this._previousActiveElement) {
                  // Make sure that the focus method actually exists
                  // In some cases the object might exist but not be a real element.
                  // This is primarily for IE 11 and should be removed once IE 11 is no longer in use.
                  (_b = (_a = _this._previousActiveElement).focus) === null || _b === void 0 ? void 0 : _b.call(_a);
              }
          };
          _this._onRenderMenuList = function (menuListProps, defaultRender) {
              var indexCorrection = 0;
              var items = menuListProps.items, totalItemCount = menuListProps.totalItemCount, hasCheckmarks = menuListProps.hasCheckmarks, hasIcons = menuListProps.hasIcons;
              return (React.createElement("ul", { className: _this._classNames.list, onKeyDown: _this._onKeyDown, onKeyUp: _this._onKeyUp, role: 'presentation' }, items.map(function (item, index) {
                  var menuItem = _this._renderMenuItem(item, index, indexCorrection, totalItemCount, hasCheckmarks, hasIcons);
                  if (item.itemType !== ContextualMenuItemType.Divider && item.itemType !== ContextualMenuItemType.Header) {
                      var indexIncrease = item.customOnRenderListLength ? item.customOnRenderListLength : 1;
                      indexCorrection += indexIncrease;
                  }
                  return menuItem;
              })));
          };
          /**
           * !!!IMPORTANT!!! Avoid mutating `item: IContextualMenuItem` argument. It will
           * cause the menu items to always re-render because the component update is based on shallow comparison.
           */
          _this._renderMenuItem = function (item, index, focusableElementIndex, totalItemCount, hasCheckmarks, hasIcons) {
              var _a;
              var renderedItems = [];
              var iconProps = item.iconProps || { iconName: 'None' };
              var getItemClassNames = item.getItemClassNames, // eslint-disable-line deprecation/deprecation
              itemProps = item.itemProps;
              var styles = itemProps ? itemProps.styles : undefined;
              var expandedMenuItemKey = _this.props.hoisted.expandedMenuItemKey;
              // We only send a dividerClassName when the item to be rendered is a divider.
              // For all other cases, the default divider style is used.
              var dividerClassName = item.itemType === ContextualMenuItemType.Divider ? item.className : undefined;
              var subMenuIconClassName = item.submenuIconProps ? item.submenuIconProps.className : '';
              // eslint-disable-next-line deprecation/deprecation
              var itemClassNames;
              // IContextualMenuItem#getItemClassNames for backwards compatibility
              // otherwise uses mergeStyles for class names.
              if (getItemClassNames) {
                  itemClassNames = getItemClassNames(_this.props.theme, isItemDisabled(item), expandedMenuItemKey === item.key, !!getIsChecked(item), !!item.href, iconProps.iconName !== 'None', item.className, dividerClassName, iconProps.className, subMenuIconClassName, item.primaryDisabled);
              }
              else {
                  var itemStyleProps = {
                      theme: _this.props.theme,
                      disabled: isItemDisabled(item),
                      expanded: expandedMenuItemKey === item.key,
                      checked: !!getIsChecked(item),
                      isAnchorLink: !!item.href,
                      knownIcon: iconProps.iconName !== 'None',
                      itemClassName: item.className,
                      dividerClassName: dividerClassName,
                      iconClassName: iconProps.className,
                      subMenuClassName: subMenuIconClassName,
                      primaryDisabled: item.primaryDisabled,
                  };
                  // We need to generate default styles then override if styles are provided
                  // since the ContextualMenu currently handles item classNames.
                  itemClassNames = getContextualMenuItemClassNames(_getMenuItemStylesFunction((_a = _this._classNames.subComponentStyles) === null || _a === void 0 ? void 0 : _a.menuItem, styles), itemStyleProps);
              }
              // eslint-disable-next-line deprecation/deprecation
              if (item.text === '-' || item.name === '-') {
                  item.itemType = ContextualMenuItemType.Divider;
              }
              switch (item.itemType) {
                  case ContextualMenuItemType.Divider:
                      renderedItems.push(_this._renderSeparator(index, itemClassNames));
                      break;
                  case ContextualMenuItemType.Header:
                      renderedItems.push(_this._renderSeparator(index, itemClassNames));
                      var headerItem = _this._renderHeaderMenuItem(item, itemClassNames, index, hasCheckmarks, hasIcons);
                      renderedItems.push(_this._renderListItem(headerItem, item.key || index, itemClassNames, item.title));
                      break;
                  case ContextualMenuItemType.Section:
                      renderedItems.push(_this._renderSectionItem(item, itemClassNames, index, hasCheckmarks, hasIcons));
                      break;
                  default:
                      var menuItem = _this._renderNormalItem(item, itemClassNames, index, focusableElementIndex, totalItemCount, hasCheckmarks, hasIcons);
                      renderedItems.push(_this._renderListItem(menuItem, item.key || index, itemClassNames, item.title));
                      break;
              }
              // Since multiple nodes *could* be rendered, wrap them all in a fragment with this item's key.
              // This ensures the reconciler handles multi-item output per-node correctly and does not re-mount content.
              return React.createElement(React.Fragment, { key: item.key }, renderedItems);
          };
          _this._defaultMenuItemRenderer = function (item) {
              var index = item.index, focusableElementIndex = item.focusableElementIndex, totalItemCount = item.totalItemCount, hasCheckmarks = item.hasCheckmarks, hasIcons = item.hasIcons;
              return _this._renderMenuItem(item, index, focusableElementIndex, totalItemCount, hasCheckmarks, hasIcons);
          };
          _this._onKeyDown = function (ev) {
              // Take note if we are processing an alt (option) or meta (command) keydown.
              // See comment in _shouldHandleKeyUp for reasoning.
              _this._lastKeyDownWasAltOrMeta = _this._isAltOrMeta(ev);
              // On Mac, pressing escape dismisses all levels of native context menus
              // eslint-disable-next-line deprecation/deprecation
              var dismissAllMenus = ev.which === KeyCodes.escape && (isMac() || isIOS());
              return _this._keyHandler(ev, _this._shouldHandleKeyDown, dismissAllMenus);
          };
          _this._shouldHandleKeyDown = function (ev) {
              return (
              // eslint-disable-next-line deprecation/deprecation
              ev.which === KeyCodes.escape ||
                  _this._shouldCloseSubMenu(ev) ||
                  // eslint-disable-next-line deprecation/deprecation
                  (ev.which === KeyCodes.up && (ev.altKey || ev.metaKey)));
          };
          _this._onKeyUp = function (ev) {
              return _this._keyHandler(ev, _this._shouldHandleKeyUp, true /* dismissAllMenus */);
          };
          /**
           * We close the menu on key up only if ALL of the following are true:
           * - Most recent key down was alt or meta (command)
           * - The alt/meta key down was NOT followed by some other key (such as down/up arrow to
           *   expand/collapse the menu)
           * - We're not on a Mac (or iOS)
           *
           * This is because on Windows, pressing alt moves focus to the application menu bar or similar,
           * closing any open context menus. There is not a similar behavior on Macs.
           */
          _this._shouldHandleKeyUp = function (ev) {
              var keyPressIsAltOrMetaAlone = _this._lastKeyDownWasAltOrMeta && _this._isAltOrMeta(ev);
              _this._lastKeyDownWasAltOrMeta = false;
              return !!keyPressIsAltOrMetaAlone && !(isIOS() || isMac());
          };
          /**
           * Calls `shouldHandleKey` to determine whether the keyboard event should be handled;
           * if so, stops event propagation and dismisses menu(s).
           * @param ev - The keyboard event.
           * @param shouldHandleKey - Returns whether we should handle this keyboard event.
           * @param dismissAllMenus - If true, dismiss all menus. Otherwise, dismiss only the current menu.
           * Only does anything if `shouldHandleKey` returns true.
           * @returns Whether the event was handled.
           */
          _this._keyHandler = function (ev, shouldHandleKey, dismissAllMenus) {
              var handled = false;
              if (shouldHandleKey(ev)) {
                  _this.dismiss(ev, dismissAllMenus);
                  ev.preventDefault();
                  ev.stopPropagation();
                  handled = true;
              }
              return handled;
          };
          /**
           * Checks if the submenu should be closed
           */
          _this._shouldCloseSubMenu = function (ev) {
              var submenuCloseKey = getRTL(_this.props.theme) ? KeyCodes.right : KeyCodes.left;
              // eslint-disable-next-line deprecation/deprecation
              if (ev.which !== submenuCloseKey || !_this.props.isSubMenu) {
                  return false;
              }
              return (_this._adjustedFocusZoneProps.direction === FocusZoneDirection.vertical ||
                  (!!_this._adjustedFocusZoneProps.checkForNoWrap &&
                      !shouldWrapFocus(ev.target, 'data-no-horizontal-wrap')));
          };
          _this._onMenuKeyDown = function (ev) {
              // Mark as handled if onKeyDown returns true (for handling collapse cases)
              // or if we are attempting to expand a submenu
              var handled = _this._onKeyDown(ev);
              var hostElement = _this.props.hoisted.hostElement;
              if (handled || !hostElement.current) {
                  return;
              }
              // If we have a modifier key being pressed, we do not want to move focus.
              // Otherwise, handle up and down keys.
              var hasModifier = !!(ev.altKey || ev.metaKey);
              // eslint-disable-next-line deprecation/deprecation
              var isUp = ev.which === KeyCodes.up;
              // eslint-disable-next-line deprecation/deprecation
              var isDown = ev.which === KeyCodes.down;
              if (!hasModifier && (isUp || isDown)) {
                  var elementToFocus = isUp
                      ? getLastFocusable(hostElement.current, hostElement.current.lastChild, true)
                      : getFirstFocusable(hostElement.current, hostElement.current.firstChild, true);
                  if (elementToFocus) {
                      elementToFocus.focus();
                      ev.preventDefault();
                      ev.stopPropagation();
                  }
              }
          };
          /**
           * Scroll handler for the callout to make sure the mouse events
           * for updating focus are not interacting during scroll
           */
          _this._onScroll = function () {
              if (!_this._isScrollIdle && _this._scrollIdleTimeoutId !== undefined) {
                  _this._async.clearTimeout(_this._scrollIdleTimeoutId);
                  _this._scrollIdleTimeoutId = undefined;
              }
              else {
                  _this._isScrollIdle = false;
              }
              _this._scrollIdleTimeoutId = _this._async.setTimeout(function () {
                  _this._isScrollIdle = true;
              }, NavigationIdleDelay);
          };
          _this._onItemMouseEnterBase = function (item, ev, target) {
              if (_this._shouldIgnoreMouseEvent()) {
                  return;
              }
              _this._updateFocusOnMouseEvent(item, ev, target);
          };
          _this._onItemMouseMoveBase = function (item, ev, target) {
              var targetElement = ev.currentTarget;
              var _a = _this.props.hoisted, shouldUpdateFocusOnMouseEvent = _a.shouldUpdateFocusOnMouseEvent, gotMouseMove = _a.gotMouseMove, targetWindow = _a.targetWindow;
              // Always do this check to make sure we record a mouseMove if needed (even if we are timed out)
              if (shouldUpdateFocusOnMouseEvent.current) {
                  gotMouseMove.current = true;
              }
              else {
                  return;
              }
              if (!_this._isScrollIdle ||
                  _this._enterTimerId !== undefined ||
                  targetElement === (targetWindow === null || targetWindow === void 0 ? void 0 : targetWindow.document.activeElement)) {
                  return;
              }
              _this._updateFocusOnMouseEvent(item, ev, target);
          };
          _this._onMouseItemLeave = function (item, ev) {
              var _a;
              var _b = _this.props.hoisted, expandedMenuItemKey = _b.expandedMenuItemKey, hostElement = _b.hostElement;
              if (_this._shouldIgnoreMouseEvent()) {
                  return;
              }
              if (_this._enterTimerId !== undefined) {
                  _this._async.clearTimeout(_this._enterTimerId);
                  _this._enterTimerId = undefined;
              }
              if (expandedMenuItemKey !== undefined) {
                  return;
              }
              /**
               * IE11 focus() method forces parents to scroll to top of element.
               * Edge and IE expose a setActive() function for focusable divs that
               * sets the page focus but does not scroll the parent element.
               */
              if (hostElement.current.setActive) {
                  try {
                      hostElement.current.setActive();
                  }
                  catch (e) {
                      /* no-op */
                  }
              }
              else {
                  (_a = hostElement.current) === null || _a === void 0 ? void 0 : _a.focus();
              }
          };
          _this._onItemMouseDown = function (item, ev) {
              if (item.onMouseDown) {
                  item.onMouseDown(item, ev);
              }
          };
          _this._onItemClick = function (item, ev) {
              _this._onItemClickBase(item, ev, ev.currentTarget);
          };
          _this._onItemClickBase = function (item, ev, target) {
              var items = getSubmenuItems(item);
              var _a = _this.props.hoisted, expandedMenuItemKey = _a.expandedMenuItemKey, openSubMenu = _a.openSubMenu;
              // Cancel a async menu item hover timeout action from being taken and instead
              // just trigger the click event instead.
              _this._cancelSubMenuTimer();
              if (!hasSubmenu(item) && (!items || !items.length)) {
                  // This is an item without a menu. Click it.
                  _this._executeItemClick(item, ev);
              }
              else {
                  if (item.key !== expandedMenuItemKey) {
                      // This has a collapsed sub menu. Expand it.
                      openSubMenu(item, target, 
                      // When Edge + Narrator are used together (regardless of if the button is in a form or not), pressing
                      // "Enter" fires this method and not _onMenuKeyDown. Checking ev.nativeEvent.detail differentiates
                      // between a real click event and a keypress event (detail should be the number of mouse clicks).
                      // ...Plot twist! For a real click event in IE 11, detail is always 0 (Edge sets it properly to 1).
                      // So we also check the pointerType property, which both Edge and IE set to "mouse" for real clicks
                      // and "" for pressing "Enter" with Narrator on.
                      ev.nativeEvent.detail !== 0 || ev.nativeEvent.pointerType === 'mouse');
                  }
              }
              ev.stopPropagation();
              ev.preventDefault();
          };
          _this._onAnchorClick = function (item, ev) {
              _this._executeItemClick(item, ev);
              ev.stopPropagation();
          };
          _this._executeItemClick = function (item, ev) {
              if (item.disabled || item.isDisabled) {
                  return;
              }
              var dismiss = false;
              if (item.onClick) {
                  dismiss = !!item.onClick(ev, item);
              }
              else if (_this.props.onItemClick) {
                  dismiss = !!_this.props.onItemClick(ev, item);
              }
              if (dismiss || !ev.defaultPrevented) {
                  _this.dismiss(ev, true);
              }
          };
          _this._onItemKeyDown = function (item, ev) {
              var openKey = getRTL(_this.props.theme) ? KeyCodes.left : KeyCodes.right;
              if (!item.disabled &&
                  // eslint-disable-next-line deprecation/deprecation
                  (ev.which === openKey || ev.which === KeyCodes.enter || (ev.which === KeyCodes.down && (ev.altKey || ev.metaKey)))) {
                  _this.props.hoisted.openSubMenu(item, ev.currentTarget, false);
                  ev.preventDefault();
              }
          };
          // Cancel a async menu item hover timeout action from being taken and instead
          // do new upcoming behavior
          _this._cancelSubMenuTimer = function () {
              if (_this._enterTimerId !== undefined) {
                  _this._async.clearTimeout(_this._enterTimerId);
                  _this._enterTimerId = undefined;
              }
          };
          /**
           * This function is called ASYNCHRONOUSLY, and so there is a chance it is called
           * after the component is unmounted. The _mounted property is added to prevent
           * from calling setState() after unmount. Do NOT copy this pattern in synchronous
           * code.
           */
          _this._onSubMenuDismiss = function (ev, dismissAll) {
              if (dismissAll) {
                  _this.dismiss(ev, dismissAll);
              }
              else if (_this._mounted) {
                  _this.props.hoisted.closeSubMenu();
              }
          };
          _this._onPointerAndTouchEvent = function (ev) {
              _this._cancelSubMenuTimer();
          };
          _this._async = new Async(_this);
          _this._events = new EventGroup(_this);
          initializeComponentRef(_this);
          warnDeprecations(COMPONENT_NAME, props, {
              getMenuClassNames: 'styles',
          });
          _this.state = {
              contextualMenuItems: undefined,
              subMenuId: getId('ContextualMenu'),
          };
          _this._id = props.id || getId('ContextualMenu');
          _this._isScrollIdle = true;
          return _this;
      }
      ContextualMenuInternal.prototype.shouldComponentUpdate = function (newProps, newState) {
          if (!newProps.shouldUpdateWhenHidden && this.props.hidden && newProps.hidden) {
              // Do not update when hidden.
              return false;
          }
          return !shallowCompare(this.props, newProps) || !shallowCompare(this.state, newState);
      };
      ContextualMenuInternal.prototype.getSnapshotBeforeUpdate = function (prevProps) {
          var hoisted = this.props.hoisted;
          if (this._isHidden(prevProps) !== this._isHidden(this.props)) {
              if (this._isHidden(this.props)) {
                  this._onMenuClosed();
              }
              else {
                  this._previousActiveElement = hoisted.targetWindow
                      ? hoisted.targetWindow.document.activeElement
                      : undefined;
              }
          }
          return null;
      };
      // Invoked once, only on the client (not on the server), immediately after the initial rendering occurs.
      ContextualMenuInternal.prototype.componentDidMount = function () {
          var _a = this.props, hidden = _a.hidden, hoisted = _a.hoisted;
          if (!hidden) {
              this._previousActiveElement = hoisted.targetWindow
                  ? hoisted.targetWindow.document.activeElement
                  : undefined;
          }
          this._mounted = true;
      };
      // Invoked immediately before a component is unmounted from the DOM.
      ContextualMenuInternal.prototype.componentWillUnmount = function () {
          if (this.props.onMenuDismissed) {
              this.props.onMenuDismissed(this.props);
          }
          this._events.dispose();
          this._async.dispose();
          this._mounted = false;
      };
      ContextualMenuInternal.prototype.render = function () {
          var _this = this;
          var isBeakVisible = this.props.isBeakVisible;
          var _a = this.props, items = _a.items, labelElementId = _a.labelElementId, id = _a.id, className = _a.className, beakWidth = _a.beakWidth, directionalHint = _a.directionalHint, directionalHintForRTL = _a.directionalHintForRTL, alignTargetEdge = _a.alignTargetEdge, gapSpace = _a.gapSpace, coverTarget = _a.coverTarget, ariaLabel = _a.ariaLabel, doNotLayer = _a.doNotLayer, target = _a.target, bounds = _a.bounds, useTargetWidth = _a.useTargetWidth, useTargetAsMinWidth = _a.useTargetAsMinWidth, directionalHintFixed = _a.directionalHintFixed, shouldFocusOnMount = _a.shouldFocusOnMount, shouldFocusOnContainer = _a.shouldFocusOnContainer, title = _a.title, styles = _a.styles, theme = _a.theme, calloutProps = _a.calloutProps, _b = _a.onRenderSubMenu, onRenderSubMenu = _b === void 0 ? this._onRenderSubMenu : _b, _c = _a.onRenderMenuList, onRenderMenuList = _c === void 0 ? this._onRenderMenuList : _c, focusZoneProps = _a.focusZoneProps, 
          // eslint-disable-next-line deprecation/deprecation
          getMenuClassNames = _a.getMenuClassNames, _d = _a.hoisted, expandedMenuItemKey = _d.expandedMenuItemKey, targetRef = _d.targetRef, onMenuFocusCapture = _d.onMenuFocusCapture, hostElement = _d.hostElement;
          this._classNames = getMenuClassNames
              ? getMenuClassNames(theme, className)
              : getClassNames(styles, {
                  theme: theme,
                  className: className,
              });
          var hasIcons = itemsHaveIcons(items);
          function itemsHaveIcons(contextualMenuItems) {
              for (var _i = 0, contextualMenuItems_1 = contextualMenuItems; _i < contextualMenuItems_1.length; _i++) {
                  var item = contextualMenuItems_1[_i];
                  if (item.iconProps) {
                      return true;
                  }
                  if (item.itemType === ContextualMenuItemType.Section &&
                      item.sectionProps &&
                      itemsHaveIcons(item.sectionProps.items)) {
                      return true;
                  }
              }
              return false;
          }
          this._adjustedFocusZoneProps = __assign(__assign({}, focusZoneProps), { className: this._classNames.root, isCircularNavigation: true, handleTabKey: FocusZoneTabbableElements.all, direction: this._getFocusZoneDirection() });
          var hasCheckmarks = canAnyMenuItemsCheck(items);
          var submenuProps = expandedMenuItemKey && this.props.hidden !== true ? this._getSubmenuProps() : null;
          isBeakVisible = isBeakVisible === undefined ? this.props.responsiveMode <= ResponsiveMode.medium : isBeakVisible;
          /**
           * When useTargetWidth is true, get the width of the target element and apply it for the context menu container
           */
          var contextMenuStyle;
          var targetAsHtmlElement = targetRef.current;
          if ((useTargetWidth || useTargetAsMinWidth) && targetAsHtmlElement && targetAsHtmlElement.offsetWidth) {
              var targetBoundingRect = targetAsHtmlElement.getBoundingClientRect();
              var targetWidth = targetBoundingRect.width - 2; /* Accounts for 1px border */
              if (useTargetWidth) {
                  contextMenuStyle = {
                      width: targetWidth,
                  };
              }
              else if (useTargetAsMinWidth) {
                  contextMenuStyle = {
                      minWidth: targetWidth,
                  };
              }
          }
          // The menu should only return if items were provided, if no items were provided then it should not appear.
          if (items && items.length > 0) {
              var totalItemCount_1 = 0;
              for (var _i = 0, items_1 = items; _i < items_1.length; _i++) {
                  var item = items_1[_i];
                  if (item.itemType !== ContextualMenuItemType.Divider && item.itemType !== ContextualMenuItemType.Header) {
                      var itemCount = item.customOnRenderListLength ? item.customOnRenderListLength : 1;
                      totalItemCount_1 += itemCount;
                  }
              }
              var calloutStyles_1 = this._classNames.subComponentStyles
                  ? this._classNames.subComponentStyles.callout
                  : undefined;
              return (React.createElement(MenuContext.Consumer, null, function (menuContext) { return (React.createElement(Callout, __assign({ styles: calloutStyles_1, onRestoreFocus: _this._tryFocusPreviousActiveElement }, calloutProps, { target: target || menuContext.target, isBeakVisible: isBeakVisible, beakWidth: beakWidth, directionalHint: directionalHint, directionalHintForRTL: directionalHintForRTL, gapSpace: gapSpace, coverTarget: coverTarget, doNotLayer: doNotLayer, className: css('ms-ContextualMenu-Callout', calloutProps && calloutProps.className), setInitialFocus: shouldFocusOnMount, onDismiss: _this.props.onDismiss || menuContext.onDismiss, onScroll: _this._onScroll, bounds: bounds, directionalHintFixed: directionalHintFixed, alignTargetEdge: alignTargetEdge, hidden: _this.props.hidden || menuContext.hidden, ref: hostElement }),
                  React.createElement("div", { style: contextMenuStyle, id: id, className: _this._classNames.container, tabIndex: shouldFocusOnContainer ? 0 : -1, onKeyDown: _this._onMenuKeyDown, onKeyUp: _this._onKeyUp, onFocusCapture: onMenuFocusCapture, "aria-label": ariaLabel, "aria-labelledby": labelElementId, role: 'menu' },
                      title && React.createElement("div", { className: _this._classNames.title },
                          " ",
                          title,
                          " "),
                      items && items.length
                          ? _this._renderFocusZone(onRenderMenuList({
                              ariaLabel: ariaLabel,
                              items: items,
                              totalItemCount: totalItemCount_1,
                              hasCheckmarks: hasCheckmarks,
                              hasIcons: hasIcons,
                              defaultMenuItemRenderer: _this._defaultMenuItemRenderer,
                              labelElementId: labelElementId,
                          }, _this._onRenderMenuList))
                          : null,
                      submenuProps && onRenderSubMenu(submenuProps, _this._onRenderSubMenu)))); }));
          }
          else {
              return null;
          }
      };
      ContextualMenuInternal.prototype._onMenuClosed = function () {
          var _a, _b;
          (_a = this._tryFocusPreviousActiveElement) === null || _a === void 0 ? void 0 : _a.call(this, {
              originalElement: this._previousActiveElement,
              containsFocus: true,
              documentContainsFocus: ((_b = getDocument()) === null || _b === void 0 ? void 0 : _b.hasFocus()) || false,
          });
      };
      /**
       * Return whether the contextual menu is hidden.
       * Undefined value for hidden is equivalent to hidden being false.
       * @param props - Props for the component
       */
      ContextualMenuInternal.prototype._isHidden = function (props) {
          return !!props.hidden;
      };
      /**
       * Gets the focusZoneDirection by using the arrowDirection if specified,
       * the direction specified in the focusZoneProps, or defaults to FocusZoneDirection.vertical
       */
      ContextualMenuInternal.prototype._getFocusZoneDirection = function () {
          var focusZoneProps = this.props.focusZoneProps;
          return focusZoneProps && focusZoneProps.direction !== undefined
              ? focusZoneProps.direction
              : FocusZoneDirection.vertical;
      };
      ContextualMenuInternal.prototype._onRenderSubMenu = function (subMenuProps, defaultRender) {
          throw Error('ContextualMenuBase: onRenderSubMenu callback is null or undefined. ' +
              'Please ensure to set `onRenderSubMenu` property either manually or with `styled` helper.');
      };
      ContextualMenuInternal.prototype._renderFocusZone = function (children) {
          var _a = this.props.focusZoneAs, ChildrenRenderer = _a === void 0 ? FocusZone : _a;
          return React.createElement(ChildrenRenderer, __assign({}, this._adjustedFocusZoneProps), children);
      };
      ContextualMenuInternal.prototype._renderSectionItem = function (sectionItem, 
      // eslint-disable-next-line deprecation/deprecation
      menuClassNames, index, hasCheckmarks, hasIcons) {
          var _this = this;
          var sectionProps = sectionItem.sectionProps;
          if (!sectionProps) {
              return;
          }
          var headerItem;
          var groupProps;
          if (sectionProps.title) {
              // Since title is a user-facing string, it needs to be stripped of whitespace in order to build a valid element ID
              var id = this._id + sectionProps.title.replace(/\s/g, '');
              var headerContextualMenuItem = {
                  key: "section-" + sectionProps.title + "-title",
                  itemType: ContextualMenuItemType.Header,
                  text: sectionProps.title,
                  id: id,
              };
              groupProps = {
                  role: 'group',
                  'aria-labelledby': id,
              };
              headerItem = this._renderHeaderMenuItem(headerContextualMenuItem, menuClassNames, index, hasCheckmarks, hasIcons);
          }
          if (sectionProps.items && sectionProps.items.length > 0) {
              return (React.createElement("li", { role: "presentation", key: sectionProps.key || sectionItem.key || "section-" + index },
                  React.createElement("div", __assign({}, groupProps),
                      React.createElement("ul", { className: this._classNames.list, role: "presentation" },
                          sectionProps.topDivider && this._renderSeparator(index, menuClassNames, true, true),
                          headerItem &&
                              this._renderListItem(headerItem, sectionItem.key || index, menuClassNames, sectionItem.title),
                          sectionProps.items.map(function (contextualMenuItem, itemsIndex) {
                              return _this._renderMenuItem(contextualMenuItem, itemsIndex, itemsIndex, sectionProps.items.length, hasCheckmarks, hasIcons);
                          }),
                          sectionProps.bottomDivider && this._renderSeparator(index, menuClassNames, false, true)))));
          }
      };
      ContextualMenuInternal.prototype._renderListItem = function (content, key, classNames, // eslint-disable-line deprecation/deprecation
      title) {
          return (React.createElement("li", { role: "presentation", title: title, key: key, className: classNames.item }, content));
      };
      ContextualMenuInternal.prototype._renderSeparator = function (index, classNames, // eslint-disable-line deprecation/deprecation
      top, fromSection) {
          if (fromSection || index > 0) {
              return (React.createElement("li", { role: "separator", key: 'separator-' + index + (top === undefined ? '' : top ? '-top' : '-bottom'), className: classNames.divider, "aria-hidden": "true" }));
          }
          return null;
      };
      ContextualMenuInternal.prototype._renderNormalItem = function (item, classNames, // eslint-disable-line deprecation/deprecation
      index, focusableElementIndex, totalItemCount, hasCheckmarks, hasIcons) {
          if (item.onRender) {
              return item.onRender(__assign({ 'aria-posinset': focusableElementIndex + 1, 'aria-setsize': totalItemCount }, item), this.dismiss);
          }
          if (item.href) {
              return this._renderAnchorMenuItem(item, classNames, index, focusableElementIndex, totalItemCount, hasCheckmarks, hasIcons);
          }
          if (item.split && hasSubmenu(item)) {
              return this._renderSplitButton(item, classNames, index, focusableElementIndex, totalItemCount, hasCheckmarks, hasIcons);
          }
          return this._renderButtonItem(item, classNames, index, focusableElementIndex, totalItemCount, hasCheckmarks, hasIcons);
      };
      ContextualMenuInternal.prototype._renderHeaderMenuItem = function (item, 
      // eslint-disable-next-line deprecation/deprecation
      classNames, index, hasCheckmarks, hasIcons) {
          var _a = this.props.contextualMenuItemAs, ChildrenRenderer = _a === void 0 ? ContextualMenuItem : _a;
          var itemProps = item.itemProps, id = item.id;
          var divHtmlProperties = itemProps && getNativeProps(itemProps, divProperties);
          return (
          // eslint-disable-next-line deprecation/deprecation
          React.createElement("div", __assign({ id: id, className: this._classNames.header }, divHtmlProperties, { style: item.style }),
              React.createElement(ChildrenRenderer, __assign({ item: item, classNames: classNames, index: index, onCheckmarkClick: hasCheckmarks ? this._onItemClick : undefined, hasIcons: hasIcons }, itemProps))));
      };
      ContextualMenuInternal.prototype._renderAnchorMenuItem = function (item, 
      // eslint-disable-next-line deprecation/deprecation
      classNames, index, focusableElementIndex, totalItemCount, hasCheckmarks, hasIcons) {
          var _a = this.props, contextualMenuItemAs = _a.contextualMenuItemAs, _b = _a.hoisted, expandedMenuItemKey = _b.expandedMenuItemKey, openSubMenu = _b.openSubMenu;
          return (React.createElement(ContextualMenuAnchor, { item: item, classNames: classNames, index: index, focusableElementIndex: focusableElementIndex, totalItemCount: totalItemCount, hasCheckmarks: hasCheckmarks, hasIcons: hasIcons, contextualMenuItemAs: contextualMenuItemAs, onItemMouseEnter: this._onItemMouseEnterBase, onItemMouseLeave: this._onMouseItemLeave, onItemMouseMove: this._onItemMouseMoveBase, onItemMouseDown: this._onItemMouseDown, executeItemClick: this._executeItemClick, onItemClick: this._onAnchorClick, onItemKeyDown: this._onItemKeyDown, expandedMenuItemKey: expandedMenuItemKey, openSubMenu: openSubMenu, dismissSubMenu: this._onSubMenuDismiss, dismissMenu: this.dismiss }));
      };
      ContextualMenuInternal.prototype._renderButtonItem = function (item, 
      // eslint-disable-next-line deprecation/deprecation
      classNames, index, focusableElementIndex, totalItemCount, hasCheckmarks, hasIcons) {
          var _a = this.props, contextualMenuItemAs = _a.contextualMenuItemAs, _b = _a.hoisted, expandedMenuItemKey = _b.expandedMenuItemKey, openSubMenu = _b.openSubMenu;
          return (React.createElement(ContextualMenuButton, { item: item, classNames: classNames, index: index, focusableElementIndex: focusableElementIndex, totalItemCount: totalItemCount, hasCheckmarks: hasCheckmarks, hasIcons: hasIcons, contextualMenuItemAs: contextualMenuItemAs, onItemMouseEnter: this._onItemMouseEnterBase, onItemMouseLeave: this._onMouseItemLeave, onItemMouseMove: this._onItemMouseMoveBase, onItemMouseDown: this._onItemMouseDown, executeItemClick: this._executeItemClick, onItemClick: this._onItemClick, onItemClickBase: this._onItemClickBase, onItemKeyDown: this._onItemKeyDown, expandedMenuItemKey: expandedMenuItemKey, openSubMenu: openSubMenu, dismissSubMenu: this._onSubMenuDismiss, dismissMenu: this.dismiss }));
      };
      ContextualMenuInternal.prototype._renderSplitButton = function (item, 
      // eslint-disable-next-line deprecation/deprecation
      classNames, index, focusableElementIndex, totalItemCount, hasCheckmarks, hasIcons) {
          var _a = this.props, contextualMenuItemAs = _a.contextualMenuItemAs, _b = _a.hoisted, expandedMenuItemKey = _b.expandedMenuItemKey, openSubMenu = _b.openSubMenu;
          return (React.createElement(ContextualMenuSplitButton, { item: item, classNames: classNames, index: index, focusableElementIndex: focusableElementIndex, totalItemCount: totalItemCount, hasCheckmarks: hasCheckmarks, hasIcons: hasIcons, contextualMenuItemAs: contextualMenuItemAs, onItemMouseEnter: this._onItemMouseEnterBase, onItemMouseLeave: this._onMouseItemLeave, onItemMouseMove: this._onItemMouseMoveBase, onItemMouseDown: this._onItemMouseDown, executeItemClick: this._executeItemClick, onItemClick: this._onItemClick, onItemClickBase: this._onItemClickBase, onItemKeyDown: this._onItemKeyDown, openSubMenu: openSubMenu, dismissSubMenu: this._onSubMenuDismiss, dismissMenu: this.dismiss, expandedMenuItemKey: expandedMenuItemKey, onTap: this._onPointerAndTouchEvent }));
      };
      /**
       * Returns true if the key for the event is alt (Mac option) or meta (Mac command).
       */
      ContextualMenuInternal.prototype._isAltOrMeta = function (ev) {
          // eslint-disable-next-line deprecation/deprecation
          return ev.which === KeyCodes.alt || ev.key === 'Meta';
      };
      ContextualMenuInternal.prototype._shouldIgnoreMouseEvent = function () {
          return !this._isScrollIdle || !this.props.hoisted.gotMouseMove.current;
      };
      /**
       * Handles updating focus when mouseEnter or mouseMove fire.
       * As part of updating focus, This function will also update
       * the expand/collapse state accordingly.
       */
      ContextualMenuInternal.prototype._updateFocusOnMouseEvent = function (item, ev, target) {
          var _this = this;
          var targetElement = target ? target : ev.currentTarget;
          var _a = this.props, _b = _a.subMenuHoverDelay, timeoutDuration = _b === void 0 ? NavigationIdleDelay : _b, _c = _a.hoisted, expandedMenuItemKey = _c.expandedMenuItemKey, openSubMenu = _c.openSubMenu;
          if (item.key === expandedMenuItemKey) {
              return;
          }
          if (this._enterTimerId !== undefined) {
              this._async.clearTimeout(this._enterTimerId);
              this._enterTimerId = undefined;
          }
          // If the menu is not expanded we can update focus without any delay
          if (expandedMenuItemKey === undefined) {
              targetElement.focus();
          }
          // Delay updating expanding/dismissing the submenu
          // and only set focus if we have not already done so
          if (hasSubmenu(item)) {
              ev.stopPropagation();
              this._enterTimerId = this._async.setTimeout(function () {
                  targetElement.focus();
                  openSubMenu(item, targetElement, true);
                  _this._enterTimerId = undefined;
              }, timeoutDuration);
          }
          else {
              this._enterTimerId = this._async.setTimeout(function () {
                  _this._onSubMenuDismiss(ev);
                  targetElement.focus();
                  _this._enterTimerId = undefined;
              }, timeoutDuration);
          }
      };
      ContextualMenuInternal.prototype._getSubmenuProps = function () {
          var _a = this.props.hoisted, submenuTarget = _a.submenuTarget, expandedMenuItemKey = _a.expandedMenuItemKey, expandedByMouseClick = _a.expandedByMouseClick;
          var item = this._findItemByKey(expandedMenuItemKey);
          var submenuProps = null;
          if (item) {
              submenuProps = {
                  items: getSubmenuItems(item),
                  target: submenuTarget,
                  onDismiss: this._onSubMenuDismiss,
                  isSubMenu: true,
                  id: this.state.subMenuId,
                  shouldFocusOnMount: true,
                  shouldFocusOnContainer: expandedByMouseClick,
                  directionalHint: getRTL(this.props.theme) ? DirectionalHint.leftTopEdge : DirectionalHint.rightTopEdge,
                  className: this.props.className,
                  gapSpace: 0,
                  isBeakVisible: false,
              };
              if (item.subMenuProps) {
                  assign(submenuProps, item.subMenuProps);
              }
          }
          return submenuProps;
      };
      ContextualMenuInternal.prototype._findItemByKey = function (key) {
          var items = this.props.items;
          return this._findItemByKeyFromItems(key, items);
      };
      /**
       * Returns the item that matches a given key if any.
       * @param key - The key of the item to match
       * @param items - The items to look for the key
       */
      ContextualMenuInternal.prototype._findItemByKeyFromItems = function (key, items) {
          for (var _i = 0, items_2 = items; _i < items_2.length; _i++) {
              var item = items_2[_i];
              if (item.itemType === ContextualMenuItemType.Section && item.sectionProps) {
                  var match = this._findItemByKeyFromItems(key, item.sectionProps.items);
                  if (match) {
                      return match;
                  }
              }
              else if (item.key && item.key === key) {
                  return item;
              }
          }
      };
      return ContextualMenuInternal;
  }(React.Component));
  //# sourceMappingURL=ContextualMenu.base.js.map