devextreme/cjs/__internal/ui/overlay/utils.js

HTML5 JavaScript Component Suite for Responsive Web Development

/**
 * DevExtreme (cjs/__internal/ui/overlay/utils.js)
 * Version: 25.2.3
 * Build date: Fri Dec 12 2025
 *
 * Copyright (c) 2012 - 2025 Developer Express Inc. ALL RIGHTS RESERVED
 * Read about DevExtreme licensing here: https://js.devexpress.com/Licensing/
 */

"use strict";
Object.defineProperty(exports, "__esModule", {
    value: true
});
exports.getElementMaxHeightByWindow = void 0;
var _renderer = _interopRequireDefault(require("../../../core/renderer"));
var _size = require("../../../core/utils/size");
var _type = require("../../../core/utils/type");
var _m_window = require("../../core/utils/m_window");

function _interopRequireDefault(e) {
    return e && e.__esModule ? e : {
        default: e
    }
}
const WINDOW_HEIGHT_PERCENT = .9;
const getElementMaxHeightByWindow = ($element, startLocation) => {
    const offset = $element.offset();
    if (void 0 === offset) {
        return
    }
    const $window = (0, _renderer.default)((0, _m_window.getWindow)());
    const {
        top: elementOffset
    } = offset;
    let actualOffset = 0;
    const windowScrollTop = $window.scrollTop();
    const windowHeight = (0, _size.getInnerHeight)($window);
    if ((0, _type.isNumeric)(startLocation)) {
        if (startLocation < elementOffset) {
            return elementOffset - startLocation
        }
        actualOffset = windowHeight - startLocation + windowScrollTop
    } else {
        const offsetTop = elementOffset - windowScrollTop;
        const offsetBottom = windowHeight - offsetTop - (0, _size.getOuterHeight)($element);
        actualOffset = Math.max(offsetTop, offsetBottom)
    }
    return .9 * actualOffset
};
exports.getElementMaxHeightByWindow = getElementMaxHeightByWindow;