'use strict';

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

var _extends2 = require('babel-runtime/helpers/extends');

var _extends3 = _interopRequireDefault(_extends2);

var _objectWithoutProperties2 = require('babel-runtime/helpers/objectWithoutProperties');

var _objectWithoutProperties3 = _interopRequireDefault(_objectWithoutProperties2);

var _getPrototypeOf = require('babel-runtime/core-js/object/get-prototype-of');

var _getPrototypeOf2 = _interopRequireDefault(_getPrototypeOf);

var _classCallCheck2 = require('babel-runtime/helpers/classCallCheck');

var _classCallCheck3 = _interopRequireDefault(_classCallCheck2);

var _createClass2 = require('babel-runtime/helpers/createClass');

var _createClass3 = _interopRequireDefault(_createClass2);

var _possibleConstructorReturn2 = require('babel-runtime/helpers/possibleConstructorReturn');

var _possibleConstructorReturn3 = _interopRequireDefault(_possibleConstructorReturn2);

var _inherits2 = require('babel-runtime/helpers/inherits');

var _inherits3 = _interopRequireDefault(_inherits2);

var _react = require('react');

var _react2 = _interopRequireDefault(_react);

var _propTypes = require('prop-types');

var _propTypes2 = _interopRequireDefault(_propTypes);

var _reactDom = require('react-dom');

var _reactDom2 = _interopRequireDefault(_reactDom);

var _warning = require('warning');

var _warning2 = _interopRequireDefault(_warning);

var _contains = require('dom-helpers/query/contains');

var _contains2 = _interopRequireDefault(_contains);

var _ownerDocument = require('dom-helpers/ownerDocument');

var _ownerDocument2 = _interopRequireDefault(_ownerDocument);

var _ownerWindow = require('dom-helpers/ownerWindow');

var _ownerWindow2 = _interopRequireDefault(_ownerWindow);

var _debounce = require('lodash/debounce');

var _debounce2 = _interopRequireDefault(_debounce);

var _reactEventListener = require('react-event-listener');

var _reactEventListener2 = _interopRequireDefault(_reactEventListener);

var _withStyles = require('../styles/withStyles');

var _withStyles2 = _interopRequireDefault(_withStyles);

var _Modal = require('../Modal');

var _Modal2 = _interopRequireDefault(_Modal);

var _Grow = require('../transitions/Grow');

var _Grow2 = _interopRequireDefault(_Grow);

var _Paper = require('../Paper');

var _Paper2 = _interopRequireDefault(_Paper);

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

function getOffsetTop(rect, vertical) {
  var offset = 0;

  if (typeof vertical === 'number') {
    offset = vertical;
  } else if (vertical === 'center') {
    offset = rect.height / 2;
  } else if (vertical === 'bottom') {
    offset = rect.height;
  }

  return offset;
} // @inheritedComponent Modal

function getOffsetLeft(rect, horizontal) {
  var offset = 0;

  if (typeof horizontal === 'number') {
    offset = horizontal;
  } else if (horizontal === 'center') {
    offset = rect.width / 2;
  } else if (horizontal === 'right') {
    offset = rect.width;
  }

  return offset;
}

function getTransformOriginValue(transformOrigin) {
  return [transformOrigin.horizontal, transformOrigin.vertical].map(function (n) {
    return typeof n === 'number' ? n + 'px' : n;
  }).join(' ');
}

// Sum the scrollTop between two elements.
function getScrollParent(parent, child) {
  var element = child;
  var scrollTop = 0;

  while (element && element !== parent) {
    element = element.parentNode;
    scrollTop += element.scrollTop;
  }
  return scrollTop;
}

function getAnchorEl(anchorEl) {
  return typeof anchorEl === 'function' ? anchorEl() : anchorEl;
}

var styles = exports.styles = {
  paper: {
    position: 'absolute',
    overflowY: 'auto',
    overflowX: 'hidden',
    // So we see the popover when it's empty.
    // It's most likely on issue on userland.
    minWidth: 16,
    minHeight: 16,
    maxWidth: 'calc(100vw - 32px)',
    maxHeight: 'calc(100vh - 32px)',
    '&:focus': {
      outline: 'none'
    }
  }
};

var Popover = function (_React$Component) {
  (0, _inherits3.default)(Popover, _React$Component);

  function Popover() {
    var _ref;

    var _temp, _this, _ret;

    (0, _classCallCheck3.default)(this, Popover);

    for (var _len = arguments.length, args = Array(_len), _key = 0; _key < _len; _key++) {
      args[_key] = arguments[_key];
    }

    return _ret = (_temp = (_this = (0, _possibleConstructorReturn3.default)(this, (_ref = Popover.__proto__ || (0, _getPrototypeOf2.default)(Popover)).call.apply(_ref, [this].concat(args))), _this), _this.componentWillUnmount = function () {
      _this.handleResize.cancel();
    }, _this.setPositioningStyles = function (element) {
      if (element && element.style) {
        var positioning = _this.getPositioningStyle(element);
        element.style.top = positioning.top;
        element.style.left = positioning.left;
        element.style.transformOrigin = positioning.transformOrigin;
      }
    }, _this.getPositioningStyle = function (element) {
      var _this$props = _this.props,
          anchorEl = _this$props.anchorEl,
          marginThreshold = _this$props.marginThreshold;

      // Check if the parent has requested anchoring on an inner content node

      var contentAnchorOffset = _this.getContentAnchorOffset(element);
      // Get the offset of of the anchoring element
      var anchorOffset = _this.getAnchorOffset(contentAnchorOffset);

      var elemRect = {
        width: element.clientWidth,
        height: element.clientHeight
      };
      // Get the transform origin point on the element itself
      var transformOrigin = _this.getTransformOrigin(elemRect, contentAnchorOffset);

      // Calculate element positioning
      var top = anchorOffset.top - transformOrigin.vertical;
      var left = anchorOffset.left - transformOrigin.horizontal;
      var bottom = top + elemRect.height;
      var right = left + elemRect.width;

      // Use the parent window of the anchorEl if provided
      var containerWindow = (0, _ownerWindow2.default)(getAnchorEl(anchorEl));

      // Window thresholds taking required margin into account
      var heightThreshold = containerWindow.innerHeight - marginThreshold;
      var widthThreshold = containerWindow.innerWidth - marginThreshold;

      // Check if the vertical axis needs shifting
      if (top < marginThreshold) {
        var diff = top - marginThreshold;
        top -= diff;
        transformOrigin.vertical += diff;
      } else if (bottom > heightThreshold) {
        var _diff = bottom - heightThreshold;
        top -= _diff;
        transformOrigin.vertical += _diff;
      }

      process.env.NODE_ENV !== "production" ? (0, _warning2.default)(elemRect.height < heightThreshold || !elemRect.height || !heightThreshold, ['Material-UI: the popover component is too tall.', 'Some part of it can not be seen on the screen (' + (elemRect.height - heightThreshold) + 'px).', 'Please consider adding a `max-height` to improve the user-experience.'].join('\n')) : void 0;

      // Check if the horizontal axis needs shifting
      if (left < marginThreshold) {
        var _diff2 = left - marginThreshold;
        left -= _diff2;
        transformOrigin.horizontal += _diff2;
      } else if (right > widthThreshold) {
        var _diff3 = right - widthThreshold;
        left -= _diff3;
        transformOrigin.horizontal += _diff3;
      }

      return {
        top: top + 'px',
        left: left + 'px',
        transformOrigin: getTransformOriginValue(transformOrigin)
      };
    }, _this.transitionEl = undefined, _this.handleGetOffsetTop = getOffsetTop, _this.handleGetOffsetLeft = getOffsetLeft, _this.handleEnter = function (element) {
      if (_this.props.onEnter) {
        _this.props.onEnter(element);
      }

      _this.setPositioningStyles(element);
    }, _this.handleResize = (0, _debounce2.default)(function () {
      var element = _reactDom2.default.findDOMNode(_this.transitionEl);
      _this.setPositioningStyles(element);
    }, 166), _temp), (0, _possibleConstructorReturn3.default)(_this, _ret);
  }

  (0, _createClass3.default)(Popover, [{
    key: 'componentDidMount',
    value: function componentDidMount() {
      if (this.props.action) {
        this.props.action({
          updatePosition: this.handleResize
        });
      }
    }
  }, {
    key: 'getAnchorOffset',


    // Returns the top/left offset of the position
    // to attach to on the anchor element (or body if none is provided)
    value: function getAnchorOffset(contentAnchorOffset) {
      var _props = this.props,
          anchorEl = _props.anchorEl,
          anchorOrigin = _props.anchorOrigin,
          anchorReference = _props.anchorReference,
          anchorPosition = _props.anchorPosition;


      if (anchorReference === 'anchorPosition') {
        return anchorPosition;
      }

      // If an anchor element wasn't provided, just use the parent body element of this Popover
      var anchorElement = getAnchorEl(anchorEl) || (0, _ownerDocument2.default)(_reactDom2.default.findDOMNode(this.transitionEl)).body;
      var anchorRect = anchorElement.getBoundingClientRect();
      var anchorVertical = contentAnchorOffset === 0 ? anchorOrigin.vertical : 'center';

      return {
        top: anchorRect.top + this.handleGetOffsetTop(anchorRect, anchorVertical),
        left: anchorRect.left + this.handleGetOffsetLeft(anchorRect, anchorOrigin.horizontal)
      };
    }

    // Returns the vertical offset of inner content to anchor the transform on if provided

  }, {
    key: 'getContentAnchorOffset',
    value: function getContentAnchorOffset(element) {
      var _props2 = this.props,
          getContentAnchorEl = _props2.getContentAnchorEl,
          anchorReference = _props2.anchorReference;

      var contentAnchorOffset = 0;

      if (getContentAnchorEl && anchorReference === 'anchorEl') {
        var contentAnchorEl = getContentAnchorEl(element);

        if (contentAnchorEl && (0, _contains2.default)(element, contentAnchorEl)) {
          var scrollTop = getScrollParent(element, contentAnchorEl);
          contentAnchorOffset = contentAnchorEl.offsetTop + contentAnchorEl.clientHeight / 2 - scrollTop || 0;
        }

        // != the default value
        process.env.NODE_ENV !== "production" ? (0, _warning2.default)(this.props.anchorOrigin.vertical === 'top', ['Material-UI: you can not change the default `anchorOrigin.vertical` value ', 'when also providing the `getContentAnchorEl` property to the popover component.', 'Only use one of the two properties.', 'Set `getContentAnchorEl` to null or left `anchorOrigin.vertical` unchanged.'].join('\n')) : void 0;
      }

      return contentAnchorOffset;
    }

    // Return the base transform origin using the element
    // and taking the content anchor offset into account if in use

  }, {
    key: 'getTransformOrigin',
    value: function getTransformOrigin(elemRect) {
      var contentAnchorOffset = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 0;
      var transformOrigin = this.props.transformOrigin;

      return {
        vertical: this.handleGetOffsetTop(elemRect, transformOrigin.vertical) + contentAnchorOffset,
        horizontal: this.handleGetOffsetLeft(elemRect, transformOrigin.horizontal)
      };
    }
  }, {
    key: 'render',
    value: function render() {
      var _this2 = this;

      var _props3 = this.props,
          action = _props3.action,
          anchorEl = _props3.anchorEl,
          anchorOrigin = _props3.anchorOrigin,
          anchorPosition = _props3.anchorPosition,
          anchorReference = _props3.anchorReference,
          children = _props3.children,
          classes = _props3.classes,
          containerProp = _props3.container,
          elevation = _props3.elevation,
          getContentAnchorEl = _props3.getContentAnchorEl,
          marginThreshold = _props3.marginThreshold,
          onEnter = _props3.onEnter,
          onEntered = _props3.onEntered,
          onEntering = _props3.onEntering,
          onExit = _props3.onExit,
          onExited = _props3.onExited,
          onExiting = _props3.onExiting,
          open = _props3.open,
          PaperProps = _props3.PaperProps,
          role = _props3.role,
          transformOrigin = _props3.transformOrigin,
          TransitionProp = _props3.transition,
          transitionDuration = _props3.transitionDuration,
          other = (0, _objectWithoutProperties3.default)(_props3, ['action', 'anchorEl', 'anchorOrigin', 'anchorPosition', 'anchorReference', 'children', 'classes', 'container', 'elevation', 'getContentAnchorEl', 'marginThreshold', 'onEnter', 'onEntered', 'onEntering', 'onExit', 'onExited', 'onExiting', 'open', 'PaperProps', 'role', 'transformOrigin', 'transition', 'transitionDuration']);

      // If the container prop is provided, use that
      // If the anchorEl prop is provided, use its parent body element as the container
      // If neither are provided let the Modal take care of choosing the container

      var container = containerProp || (anchorEl ? (0, _ownerDocument2.default)(getAnchorEl(anchorEl)).body : undefined);

      var transitionProps = {};
      // The provided transition might not support the auto timeout value.
      if (TransitionProp === _Grow2.default) {
        transitionProps.timeout = transitionDuration;
      }

      return _react2.default.createElement(
        _Modal2.default,
        (0, _extends3.default)({ container: container, open: open, BackdropProps: { invisible: true } }, other),
        _react2.default.createElement(
          TransitionProp,
          (0, _extends3.default)({
            appear: true,
            'in': open,
            onEnter: this.handleEnter,
            onEntered: onEntered,
            onEntering: onEntering,
            onExit: onExit,
            onExited: onExited,
            onExiting: onExiting,
            role: role,
            ref: function ref(node) {
              _this2.transitionEl = node;
            }
          }, transitionProps),
          _react2.default.createElement(
            _Paper2.default,
            (0, _extends3.default)({
              className: classes.paper,

              elevation: elevation
            }, PaperProps),
            _react2.default.createElement(_reactEventListener2.default, { target: 'window', onResize: this.handleResize }),
            children
          )
        )
      );
    }
  }]);
  return Popover;
}(_react2.default.Component);

Popover.propTypes = process.env.NODE_ENV !== "production" ? {
  /**
   * This is callback property. It's called by the component on mount.
   * This is useful when you want to trigger an action programmatically.
   * It currently only supports updatePosition() action.
   *
   * @param {object} actions This object contains all posible actions
   * that can be triggered programmatically.
   */
  action: _propTypes2.default.func,
  /**
   * This is the DOM element, or a function that returns the DOM element,
   * that may be used to set the position of the popover.
   */
  anchorEl: _propTypes2.default.oneOfType([_propTypes2.default.object, _propTypes2.default.func]),
  /**
   * This is the point on the anchor where the popover's
   * `anchorEl` will attach to. This is not used when the
   * anchorReference is 'anchorPosition'.
   *
   * Options:
   * vertical: [top, center, bottom];
   * horizontal: [left, center, right].
   */
  anchorOrigin: _propTypes2.default.shape({
    horizontal: _propTypes2.default.oneOfType([_propTypes2.default.number, _propTypes2.default.oneOf(['left', 'center', 'right'])]),
    vertical: _propTypes2.default.oneOfType([_propTypes2.default.number, _propTypes2.default.oneOf(['top', 'center', 'bottom'])])
  }),
  /**
   * This is the position that may be used
   * to set the position of the popover.
   * The coordinates are relative to
   * the application's client area.
   */
  anchorPosition: _propTypes2.default.shape({
    top: _propTypes2.default.number,
    left: _propTypes2.default.number
  }),
  /*
   * This determines which anchor prop to refer to to set
   * the position of the popover.
   */
  anchorReference: _propTypes2.default.oneOf(['anchorEl', 'anchorPosition']),
  /**
   * The content of the component.
   */
  children: _propTypes2.default.node,
  /**
   * Useful to extend the style applied to components.
   */
  classes: _propTypes2.default.object.isRequired,
  /**
   * A node, component instance, or function that returns either.
   * The `container` will passed to the Modal component.
   * By default, it's using the body of the anchorEl's top-level document object,
   * so it's simply `document.body` most of the time.
   */
  container: _propTypes2.default.oneOfType([_propTypes2.default.object, _propTypes2.default.func]),
  /**
   * The elevation of the popover.
   */
  elevation: _propTypes2.default.number,
  /**
   * This function is called in order to retrieve the content anchor element.
   * It's the opposite of the `anchorEl` property.
   * The content anchor element should be an element inside the popover.
   * It's used to correctly scroll and set the position of the popover.
   * The positioning strategy tries to make the content anchor element just above the
   * anchor element.
   */
  getContentAnchorEl: _propTypes2.default.func,
  /**
   * Specifies how close to the edge of the window the popover can appear.
   */
  marginThreshold: _propTypes2.default.number,
  /**
   * Callback fired when the component requests to be closed.
   *
   * @param {object} event The event source of the callback.
   */
  onClose: _propTypes2.default.func,
  /**
   * Callback fired before the component is entering.
   */
  onEnter: _propTypes2.default.func,
  /**
   * Callback fired when the component has entered.
   */
  onEntered: _propTypes2.default.func,
  /**
   * Callback fired when the component is entering.
   */
  onEntering: _propTypes2.default.func,
  /**
   * Callback fired before the component is exiting.
   */
  onExit: _propTypes2.default.func,
  /**
   * Callback fired when the component has exited.
   */
  onExited: _propTypes2.default.func,
  /**
   * Callback fired when the component is exiting.
   */
  onExiting: _propTypes2.default.func,
  /**
   * If `true`, the popover is visible.
   */
  open: _propTypes2.default.bool.isRequired,
  /**
   * Properties applied to the `Paper` element.
   */
  PaperProps: _propTypes2.default.object,
  /**
   * @ignore
   */
  role: _propTypes2.default.string,
  /**
   * This is the point on the popover which
   * will attach to the anchor's origin.
   *
   * Options:
   * vertical: [top, center, bottom, x(px)];
   * horizontal: [left, center, right, x(px)].
   */
  transformOrigin: _propTypes2.default.shape({
    horizontal: _propTypes2.default.oneOfType([_propTypes2.default.number, _propTypes2.default.oneOf(['left', 'center', 'right'])]),
    vertical: _propTypes2.default.oneOfType([_propTypes2.default.number, _propTypes2.default.oneOf(['top', 'center', 'bottom'])])
  }),
  /**
   * Transition component.
   */
  transition: _propTypes2.default.oneOfType([_propTypes2.default.string, _propTypes2.default.func]),
  /**
   * Set to 'auto' to automatically calculate transition time based on height.
   */
  transitionDuration: _propTypes2.default.oneOfType([_propTypes2.default.number, _propTypes2.default.shape({ enter: _propTypes2.default.number, exit: _propTypes2.default.number }), _propTypes2.default.oneOf(['auto'])])
} : {};

Popover.defaultProps = {
  anchorReference: 'anchorEl',
  anchorOrigin: {
    vertical: 'top',
    horizontal: 'left'
  },
  elevation: 8,
  marginThreshold: 16,
  transformOrigin: {
    vertical: 'top',
    horizontal: 'left'
  },
  transition: _Grow2.default,
  transitionDuration: 'auto'
};

exports.default = (0, _withStyles2.default)(styles, { name: 'MuiPopover' })(Popover);