"use strict";

var _interopRequireWildcard = require("@babel/runtime/helpers/interopRequireWildcard");

var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = exports.styles = void 0;

var _extends2 = _interopRequireDefault(require("@babel/runtime/helpers/extends"));

var _objectWithoutProperties2 = _interopRequireDefault(require("@babel/runtime/helpers/objectWithoutProperties"));

var React = _interopRequireWildcard(require("react"));

var _reactIs = require("react-is");

var _propTypes = _interopRequireDefault(require("prop-types"));

var _clsx = _interopRequireDefault(require("clsx"));

var _utils = require("@material-ui/utils");

var _withStyles = _interopRequireDefault(require("../styles/withStyles"));

var _Popover = _interopRequireDefault(require("../Popover"));

var _MenuList = _interopRequireDefault(require("../MenuList"));

var _setRef = _interopRequireDefault(require("../utils/setRef"));

var _useTheme = _interopRequireDefault(require("../styles/useTheme"));

var RTL_ORIGIN = {
  vertical: 'top',
  horizontal: 'right'
};
var LTR_ORIGIN = {
  vertical: 'top',
  horizontal: 'left'
};
var styles = {
  /* Styles applied to the `Paper` component. */
  paper: {
    // specZ: The maximum height of a simple menu should be one or more rows less than the view
    // height. This ensures a tapable area outside of the simple menu with which to dismiss
    // the menu.
    maxHeight: 'calc(100% - 96px)',
    // Add iOS momentum scrolling.
    WebkitOverflowScrolling: 'touch'
  },

  /* Styles applied to the `List` component via `MenuList`. */
  list: {
    // We disable the focus ring for mouse, touch and keyboard users.
    outline: 0
  }
};
exports.styles = styles;
var Menu = /*#__PURE__*/React.forwardRef(function Menu(props, ref) {
  var _props$autoFocus = props.autoFocus,
      autoFocus = _props$autoFocus === void 0 ? true : _props$autoFocus,
      children = props.children,
      classes = props.classes,
      _props$disableAutoFoc = props.disableAutoFocusItem,
      disableAutoFocusItem = _props$disableAutoFoc === void 0 ? false : _props$disableAutoFoc,
      _props$MenuListProps = props.MenuListProps,
      MenuListProps = _props$MenuListProps === void 0 ? {} : _props$MenuListProps,
      onClose = props.onClose,
      onEntering = props.onEntering,
      open = props.open,
      _props$PaperProps = props.PaperProps,
      PaperProps = _props$PaperProps === void 0 ? {} : _props$PaperProps,
      PopoverClasses = props.PopoverClasses,
      _props$transitionDura = props.transitionDuration,
      transitionDuration = _props$transitionDura === void 0 ? 'auto' : _props$transitionDura,
      _props$variant = props.variant,
      variant = _props$variant === void 0 ? 'selectedMenu' : _props$variant,
      other = (0, _objectWithoutProperties2.default)(props, ["autoFocus", "children", "classes", "disableAutoFocusItem", "MenuListProps", "onClose", "onEntering", "open", "PaperProps", "PopoverClasses", "transitionDuration", "variant"]);
  var theme = (0, _useTheme.default)();
  var autoFocusItem = autoFocus && !disableAutoFocusItem && open;
  var menuListActionsRef = React.useRef(null);
  var contentAnchorRef = React.useRef(null);

  var getContentAnchorEl = function getContentAnchorEl() {
    return contentAnchorRef.current;
  };

  var handleEntering = function handleEntering(element, isAppearing) {
    if (menuListActionsRef.current) {
      menuListActionsRef.current.adjustStyleForScrollbar(element, theme);
    }

    if (onEntering) {
      onEntering(element, isAppearing);
    }
  };

  var handleListKeyDown = function handleListKeyDown(event) {
    if (event.key === 'Tab') {
      event.preventDefault();

      if (onClose) {
        onClose(event, 'tabKeyDown');
      }
    }
  };
  /**
   * the index of the item should receive focus
   * in a `variant="selectedMenu"` it's the first `selected` item
   * otherwise it's the very first item.
   */


  var activeItemIndex = -1; // since we inject focus related props into children we have to do a lookahead
  // to check if there is a `selected` item. We're looking for the last `selected`
  // item and use the first valid item as a fallback

  React.Children.map(children, function (child, index) {
    if (! /*#__PURE__*/React.isValidElement(child)) {
      return;
    }

    if (process.env.NODE_ENV !== 'production') {
      if ((0, _reactIs.isFragment)(child)) {
        console.error(["Material-UI: The Menu component doesn't accept a Fragment as a child.", 'Consider providing an array instead.'].join('\n'));
      }
    }

    if (!child.props.disabled) {
      if (variant !== "menu" && child.props.selected) {
        activeItemIndex = index;
      } else if (activeItemIndex === -1) {
        activeItemIndex = index;
      }
    }
  });
  var items = React.Children.map(children, function (child, index) {
    if (index === activeItemIndex) {
      return /*#__PURE__*/React.cloneElement(child, {
        ref: function ref(instance) {
          contentAnchorRef.current = instance;
          (0, _setRef.default)(child.ref, instance);
        }
      });
    }

    return child;
  });
  return /*#__PURE__*/React.createElement(_Popover.default, (0, _extends2.default)({
    getContentAnchorEl: getContentAnchorEl,
    classes: PopoverClasses,
    onClose: onClose,
    onEntering: handleEntering,
    anchorOrigin: theme.direction === 'rtl' ? RTL_ORIGIN : LTR_ORIGIN,
    transformOrigin: theme.direction === 'rtl' ? RTL_ORIGIN : LTR_ORIGIN,
    PaperProps: (0, _extends2.default)({}, PaperProps, {
      classes: (0, _extends2.default)({}, PaperProps.classes, {
        root: classes.paper
      })
    }),
    open: open,
    ref: ref,
    transitionDuration: transitionDuration
  }, other), /*#__PURE__*/React.createElement(_MenuList.default, (0, _extends2.default)({
    onKeyDown: handleListKeyDown,
    actions: menuListActionsRef,
    autoFocus: autoFocus && (activeItemIndex === -1 || disableAutoFocusItem),
    autoFocusItem: autoFocusItem,
    variant: variant
  }, MenuListProps, {
    className: (0, _clsx.default)(classes.list, MenuListProps.className)
  }), items));
});
process.env.NODE_ENV !== "production" ? Menu.propTypes = {
  // ----------------------------- Warning --------------------------------
  // | These PropTypes are generated from the TypeScript type definitions |
  // |     To update them edit the d.ts file and run "yarn proptypes"     |
  // ----------------------------------------------------------------------

  /**
   * A HTML element, or a function that returns it.
   * It's used to set the position of the menu.
   */
  anchorEl: _propTypes.default
  /* @typescript-to-proptypes-ignore */
  .oneOfType([_utils.HTMLElementType, _propTypes.default.func]),

  /**
   * If `true` (Default) will focus the `[role="menu"]` if no focusable child is found. Disabled
   * children are not focusable. If you set this prop to `false` focus will be placed
   * on the parent modal container. This has severe accessibility implications
   * and should only be considered if you manage focus otherwise.
   */
  autoFocus: _propTypes.default.bool,

  /**
   * Menu contents, normally `MenuItem`s.
   */
  children: _propTypes.default.node,

  /**
   * Override or extend the styles applied to the component.
   * See [CSS API](#css) below for more details.
   */
  classes: _propTypes.default.object,

  /**
   * When opening the menu will not focus the active item but the `[role="menu"]`
   * unless `autoFocus` is also set to `false`. Not using the default means not
   * following WAI-ARIA authoring practices. Please be considerate about possible
   * accessibility implications.
   */
  disableAutoFocusItem: _propTypes.default.bool,

  /**
   * Props applied to the [`MenuList`](/api/menu-list/) element.
   */
  MenuListProps: _propTypes.default.object,

  /**
   * Callback fired when the component requests to be closed.
   *
   * @param {object} event The event source of the callback.
   * @param {string} reason Can be: `"escapeKeyDown"`, `"backdropClick"`, `"tabKeyDown"`.
   */
  onClose: _propTypes.default.func,

  /**
   * Callback fired before the Menu enters.
   */
  onEnter: _propTypes.default.func,

  /**
   * Callback fired when the Menu has entered.
   */
  onEntered: _propTypes.default.func,

  /**
   * Callback fired when the Menu is entering.
   */
  onEntering: _propTypes.default.func,

  /**
   * Callback fired before the Menu exits.
   */
  onExit: _propTypes.default.func,

  /**
   * Callback fired when the Menu has exited.
   */
  onExited: _propTypes.default.func,

  /**
   * Callback fired when the Menu is exiting.
   */
  onExiting: _propTypes.default.func,

  /**
   * If `true`, the menu is visible.
   */
  open: _propTypes.default.bool.isRequired,

  /**
   * @ignore
   */
  PaperProps: _propTypes.default.object,

  /**
   * `classes` prop applied to the [`Popover`](/api/popover/) element.
   */
  PopoverClasses: _propTypes.default.object,

  /**
   * The length of the transition in `ms`, or 'auto'
   */
  transitionDuration: _propTypes.default.oneOfType([_propTypes.default.oneOf(['auto']), _propTypes.default.number, _propTypes.default.shape({
    appear: _propTypes.default.number,
    enter: _propTypes.default.number,
    exit: _propTypes.default.number
  })]),

  /**
   * The variant to use. Use `menu` to prevent selected items from impacting the initial focus
   * and the vertical alignment relative to the anchor element.
   */
  variant: _propTypes.default.oneOf(['menu', 'selectedMenu'])
} : void 0;

var _default = (0, _withStyles.default)(styles, {
  name: 'MuiMenu'
})(Menu);

exports.default = _default;