build/cjs/utils/domFns.js

"use strict";

function _typeof(obj) { "@babel/helpers - typeof"; return _typeof = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ? function (obj) { return typeof obj; } : function (obj) { return obj && "function" == typeof Symbol && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }, _typeof(obj); }

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.addClassName = addClassName;
exports.addEvent = addEvent;
exports.addUserSelectStyles = addUserSelectStyles;
exports.createCSSTransform = createCSSTransform;
exports.createSVGTransform = createSVGTransform;
exports.getTouch = getTouch;
exports.getTouchIdentifier = getTouchIdentifier;
exports.getTranslation = getTranslation;
exports.innerHeight = innerHeight;
exports.innerWidth = innerWidth;
exports.matchesSelector = matchesSelector;
exports.matchesSelectorAndParentsTo = matchesSelectorAndParentsTo;
exports.offsetXYFromParent = offsetXYFromParent;
exports.outerHeight = outerHeight;
exports.outerWidth = outerWidth;
exports.removeClassName = removeClassName;
exports.removeEvent = removeEvent;
exports.removeUserSelectStyles = removeUserSelectStyles;

var _shims = require("./shims");

var _getPrefix = _interopRequireWildcard(require("./getPrefix"));

function _getRequireWildcardCache(nodeInterop) { if (typeof WeakMap !== "function") return null; var cacheBabelInterop = new WeakMap(); var cacheNodeInterop = new WeakMap(); return (_getRequireWildcardCache = function _getRequireWildcardCache(nodeInterop) { return nodeInterop ? cacheNodeInterop : cacheBabelInterop; })(nodeInterop); }

function _interopRequireWildcard(obj, nodeInterop) { if (!nodeInterop && obj && obj.__esModule) { return obj; } if (obj === null || _typeof(obj) !== "object" && typeof obj !== "function") { return { default: obj }; } var cache = _getRequireWildcardCache(nodeInterop); if (cache && cache.has(obj)) { return cache.get(obj); } var newObj = {}; var hasPropertyDescriptor = Object.defineProperty && Object.getOwnPropertyDescriptor; for (var key in obj) { if (key !== "default" && Object.prototype.hasOwnProperty.call(obj, key)) { var desc = hasPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : null; if (desc && (desc.get || desc.set)) { Object.defineProperty(newObj, key, desc); } else { newObj[key] = obj[key]; } } } newObj.default = obj; if (cache) { cache.set(obj, newObj); } return newObj; }

function ownKeys(object, enumerableOnly) { var keys = Object.keys(object); if (Object.getOwnPropertySymbols) { var symbols = Object.getOwnPropertySymbols(object); enumerableOnly && (symbols = symbols.filter(function (sym) { return Object.getOwnPropertyDescriptor(object, sym).enumerable; })), keys.push.apply(keys, symbols); } return keys; }

function _objectSpread(target) { for (var i = 1; i < arguments.length; i++) { var source = null != arguments[i] ? arguments[i] : {}; i % 2 ? ownKeys(Object(source), !0).forEach(function (key) { _defineProperty(target, key, source[key]); }) : Object.getOwnPropertyDescriptors ? Object.defineProperties(target, Object.getOwnPropertyDescriptors(source)) : ownKeys(Object(source)).forEach(function (key) { Object.defineProperty(target, key, Object.getOwnPropertyDescriptor(source, key)); }); } return target; }

function _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }

var matchesSelectorFunc = '';

function matchesSelector(el
/*: Node*/
, selector
/*: string*/
)
/*: boolean*/
{
  if (!matchesSelectorFunc) {
    matchesSelectorFunc = (0, _shims.findInArray)(['matches', 'webkitMatchesSelector', 'mozMatchesSelector', 'msMatchesSelector', 'oMatchesSelector'], function (method) {
      // $FlowIgnore: Doesn't think elements are indexable
      return (0, _shims.isFunction)(el[method]);
    });
  } // Might not be found entirely (not an Element?) - in that case, bail
  // $FlowIgnore: Doesn't think elements are indexable


  if (!(0, _shims.isFunction)(el[matchesSelectorFunc])) return false; // $FlowIgnore: Doesn't think elements are indexable

  return el[matchesSelectorFunc](selector);
} // Works up the tree to the draggable itself attempting to match selector.


function matchesSelectorAndParentsTo(el
/*: Node*/
, selector
/*: string*/
, baseNode
/*: Node*/
)
/*: boolean*/
{
  var node = el;

  do {
    if (matchesSelector(node, selector)) return true;
    if (node === baseNode) return false;
    node = node.parentNode;
  } while (node);

  return false;
}

function addEvent(el
/*: ?Node*/
, event
/*: string*/
, handler
/*: Function*/
, inputOptions
/*: Object*/
)
/*: void*/
{
  if (!el) return;

  var options = _objectSpread({
    capture: true
  }, inputOptions); // $FlowIgnore[method-unbinding]


  if (el.addEventListener) {
    el.addEventListener(event, handler, options);
  } else if (el.attachEvent) {
    el.attachEvent('on' + event, handler);
  } else {
    // $FlowIgnore: Doesn't think elements are indexable
    el['on' + event] = handler;
  }
}

function removeEvent(el
/*: ?Node*/
, event
/*: string*/
, handler
/*: Function*/
, inputOptions
/*: Object*/
)
/*: void*/
{
  if (!el) return;

  var options = _objectSpread({
    capture: true
  }, inputOptions); // $FlowIgnore[method-unbinding]


  if (el.removeEventListener) {
    el.removeEventListener(event, handler, options);
  } else if (el.detachEvent) {
    el.detachEvent('on' + event, handler);
  } else {
    // $FlowIgnore: Doesn't think elements are indexable
    el['on' + event] = null;
  }
}

function outerHeight(node
/*: HTMLElement*/
)
/*: number*/
{
  // This is deliberately excluding margin for our calculations, since we are using
  // offsetTop which is including margin. See getBoundPosition
  var height = node.clientHeight;
  var computedStyle = node.ownerDocument.defaultView.getComputedStyle(node);
  height += (0, _shims.int)(computedStyle.borderTopWidth);
  height += (0, _shims.int)(computedStyle.borderBottomWidth);
  return height;
}

function outerWidth(node
/*: HTMLElement*/
)
/*: number*/
{
  // This is deliberately excluding margin for our calculations, since we are using
  // offsetLeft which is including margin. See getBoundPosition
  var width = node.clientWidth;
  var computedStyle = node.ownerDocument.defaultView.getComputedStyle(node);
  width += (0, _shims.int)(computedStyle.borderLeftWidth);
  width += (0, _shims.int)(computedStyle.borderRightWidth);
  return width;
}

function innerHeight(node
/*: HTMLElement*/
)
/*: number*/
{
  var height = node.clientHeight;
  var computedStyle = node.ownerDocument.defaultView.getComputedStyle(node);
  height -= (0, _shims.int)(computedStyle.paddingTop);
  height -= (0, _shims.int)(computedStyle.paddingBottom);
  return height;
}

function innerWidth(node
/*: HTMLElement*/
)
/*: number*/
{
  var width = node.clientWidth;
  var computedStyle = node.ownerDocument.defaultView.getComputedStyle(node);
  width -= (0, _shims.int)(computedStyle.paddingLeft);
  width -= (0, _shims.int)(computedStyle.paddingRight);
  return width;
}
/*:: interface EventWithOffset {
  clientX: number, clientY: number
}*/


// Get from offsetParent
function offsetXYFromParent(evt
/*: EventWithOffset*/
, offsetParent
/*: HTMLElement*/
, scale
/*: number*/
)
/*: ControlPosition*/
{
  var isBody = offsetParent === offsetParent.ownerDocument.body;
  var offsetParentRect = isBody ? {
    left: 0,
    top: 0
  } : offsetParent.getBoundingClientRect();
  var x = (evt.clientX + offsetParent.scrollLeft - offsetParentRect.left) / scale;
  var y = (evt.clientY + offsetParent.scrollTop - offsetParentRect.top) / scale;
  return {
    x: x,
    y: y
  };
}

function createCSSTransform(controlPos
/*: ControlPosition*/
, positionOffset
/*: PositionOffsetControlPosition*/
)
/*: Object*/
{
  var translation = getTranslation(controlPos, positionOffset, 'px');
  return _defineProperty({}, (0, _getPrefix.browserPrefixToKey)('transform', _getPrefix.default), translation);
}

function createSVGTransform(controlPos
/*: ControlPosition*/
, positionOffset
/*: PositionOffsetControlPosition*/
)
/*: string*/
{
  var translation = getTranslation(controlPos, positionOffset, '');
  return translation;
}

function getTranslation(_ref2, positionOffset
/*: PositionOffsetControlPosition*/
, unitSuffix
/*: string*/
)
/*: string*/
{
  var x = _ref2.x,
      y = _ref2.y;
  var translation = "translate(".concat(x).concat(unitSuffix, ",").concat(y).concat(unitSuffix, ")");

  if (positionOffset) {
    var defaultX = "".concat(typeof positionOffset.x === 'string' ? positionOffset.x : positionOffset.x + unitSuffix);
    var defaultY = "".concat(typeof positionOffset.y === 'string' ? positionOffset.y : positionOffset.y + unitSuffix);
    translation = "translate(".concat(defaultX, ", ").concat(defaultY, ")") + translation;
  }

  return translation;
}

function getTouch(e
/*: MouseTouchEvent*/
, identifier
/*: number*/
)
/*: ?{clientX: number, clientY: number}*/
{
  return e.targetTouches && (0, _shims.findInArray)(e.targetTouches, function (t) {
    return identifier === t.identifier;
  }) || e.changedTouches && (0, _shims.findInArray)(e.changedTouches, function (t) {
    return identifier === t.identifier;
  });
}

function getTouchIdentifier(e
/*: MouseTouchEvent*/
)
/*: ?number*/
{
  if (e.targetTouches && e.targetTouches[0]) return e.targetTouches[0].identifier;
  if (e.changedTouches && e.changedTouches[0]) return e.changedTouches[0].identifier;
} // User-select Hacks:
//
// Useful for preventing blue highlights all over everything when dragging.
// Note we're passing `document` b/c we could be iframed


function addUserSelectStyles(doc
/*: ?Document*/
) {
  if (!doc) return;
  var styleEl = doc.getElementById('react-draggable-style-el');

  if (!styleEl) {
    styleEl = doc.createElement('style');
    styleEl.type = 'text/css';
    styleEl.id = 'react-draggable-style-el';
    styleEl.textContent = '.react-draggable-transparent-selection *::-moz-selection {all: inherit;}\n';
    styleEl.textContent += '.react-draggable-transparent-selection *::selection {all: inherit;}\n';
    doc.getElementsByTagName('head')[0].appendChild(styleEl);
  }

  if (doc.body) addClassName(doc.body, 'react-draggable-transparent-selection');
}

function removeUserSelectStyles(doc
/*: ?Document*/
) {
  if (!doc) return;

  try {
    if (doc.body) removeClassName(doc.body, 'react-draggable-transparent-selection'); // $FlowIgnore: IE

    if (doc.selection) {
      // $FlowIgnore: IE
      doc.selection.empty();
    } else {
      // Remove selection caused by scroll, unless it's a focused input
      // (we use doc.defaultView in case we're in an iframe)
      var selection = (doc.defaultView || window).getSelection();

      if (selection && selection.type !== 'Caret') {
        selection.removeAllRanges();
      }
    }
  } catch (e) {// probably IE
  }
}

function addClassName(el
/*: HTMLElement*/
, className
/*: string*/
) {
  if (el.classList) {
    el.classList.add(className);
  } else {
    if (!el.className.match(new RegExp("(?:^|\\s)".concat(className, "(?!\\S)")))) {
      el.className += " ".concat(className);
    }
  }
}

function removeClassName(el
/*: HTMLElement*/
, className
/*: string*/
) {
  if (el.classList) {
    el.classList.remove(className);
  } else {
    el.className = el.className.replace(new RegExp("(?:^|\\s)".concat(className, "(?!\\S)"), 'g'), '');
  }
}