File: public/js/tinymce/src/plugins/contextmenu/src/main/js/core/Coords.js

/**
 * Coords.js
 *
 * Released under LGPL License.
 * Copyright (c) 1999-2017 Ephox Corp. All rights reserved
 *
 * License: http://www.tinymce.com/license
 * Contributing: http://www.tinymce.com/contributing
 */

define(
  'tinymce.plugins.contextmenu.core.Coords',
  [
    'tinymce.core.Env',
    'tinymce.core.dom.DOMUtils'
  ],
  function (Env, DOMUtils) {
    var nu = function (x, y) {
      return { x: x, y: y };
    };

    var transpose = function (pos, dx, dy) {
      return nu(pos.x + dx, pos.y + dy);
    };

    var fromPageXY = function (e) {
      return nu(e.pageX, e.pageY);
    };

    var fromClientXY = function (e) {
      return nu(e.clientX, e.clientY);
    };

    var transposeUiContainer = function (element, pos) {
      if (element && DOMUtils.DOM.getStyle(element, 'position', true) !== 'static') {
        var containerPos = DOMUtils.DOM.getPos(element);
        var dx = containerPos.x - element.scrollLeft;
        var dy = containerPos.y - element.scrollTop;
        return transpose(pos, -dx, -dy);
      } else {
        return transpose(pos, 0, 0);
      }
    };

    var transposeContentAreaContainer = function (element, pos) {
      var containerPos = DOMUtils.DOM.getPos(element);
      return transpose(pos, containerPos.x, containerPos.y);
    };

    var getUiContainer = function (editor) {
      return Env.container;
    };

    var getPos = function (editor, e) {
      if (editor.inline) {
        return transposeUiContainer(getUiContainer(editor), fromPageXY(e));
      } else {
        var iframePos = transposeContentAreaContainer(editor.getContentAreaContainer(), fromClientXY(e));
        return transposeUiContainer(getUiContainer(editor), iframePos);
      }
    };

    return {
      getPos: getPos
    };
  }
);