devextreme/cjs/ui/overlay/utils.js

HTML5 JavaScript Component Suite for Responsive Web Development

/**
 * DevExtreme (cjs/ui/overlay/utils.js)
 * Version: 21.1.4
 * Build date: Mon Jun 21 2021
 *
 * Copyright (c) 2012 - 2021 Developer Express Inc. ALL RIGHTS RESERVED
 * Read about DevExtreme licensing here: https://js.devexpress.com/Licensing/
 */
"use strict";
exports.getElementMaxHeightByWindow = void 0;
var _renderer = _interopRequireDefault(require("../../core/renderer"));
var _window = require("../../core/utils/window");
var _type = require("../../core/utils/type");

function _interopRequireDefault(obj) {
    return obj && obj.__esModule ? obj : {
        default: obj
    }
}
var WINDOW_HEIGHT_PERCENT = .9;
var getElementMaxHeightByWindow = function($element, startLocation) {
    var $window = (0, _renderer.default)((0, _window.getWindow)());
    var _$element$offset = $element.offset(),
        elementOffset = _$element$offset.top;
    var actualOffset;
    if ((0, _type.isNumeric)(startLocation)) {
        if (startLocation < elementOffset) {
            return elementOffset - startLocation
        } else {
            actualOffset = $window.innerHeight() - startLocation + $window.scrollTop()
        }
    } else {
        var offsetTop = elementOffset - $window.scrollTop();
        var offsetBottom = $window.innerHeight() - offsetTop - $element.outerHeight();
        actualOffset = Math.max(offsetTop, offsetBottom)
    }
    return actualOffset * WINDOW_HEIGHT_PERCENT
};
exports.getElementMaxHeightByWindow = getElementMaxHeightByWindow;