cordova-android/cordova-js-src/plugin/android/statusbar.js

/*
    Licensed to the Apache Software Foundation (ASF) under one
    or more contributor license agreements.  See the NOTICE file
    distributed with this work for additional information
    regarding copyright ownership.  The ASF licenses this file
    to you under the Apache License, Version 2.0 (the
    "License"); you may not use this file except in compliance
    with the License.  You may obtain a copy of the License at

        http://www.apache.org/licenses/LICENSE-2.0

    Unless required by applicable law or agreed to in writing,
    software distributed under the License is distributed on an
    "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
    KIND, either express or implied.  See the License for the
    specific language governing permissions and limitations
    under the License.
*/

var exec = require('cordova/exec');

var statusBarVisible = true;
var statusBar = {};

// This <script> element is explicitly used by Cordova's statusbar for computing color. (Do not use this element)
const statusBarScript = document.createElement('script');
document.head.appendChild(statusBarScript);

Object.defineProperty(statusBar, 'visible', {
    configurable: false,
    enumerable: true,
    get: function () {
        if (window.StatusBar) {
            // try to let the StatusBar plugin handle it
            return window.StatusBar.isVisible;
        }

        return statusBarVisible;
    },
    set: function (value) {
        if (window.StatusBar) {
            // try to let the StatusBar plugin handle it
            if (value) {
                window.StatusBar.show();
            } else {
                window.StatusBar.hide();
            }
        } else {
            statusBarVisible = value;
            exec(null, null, 'SystemBarPlugin', 'setStatusBarVisible', [!!value]);
        }
    }
});

Object.defineProperty(statusBar, 'setBackgroundColor', {
    configurable: false,
    enumerable: false,
    writable: false,
    value: function (value) {
        statusBarScript.style.color = value;
        var rgbStr = window.getComputedStyle(statusBarScript).getPropertyValue('color');

        if (!rgbStr.match(/^rgb/)) { return; }

        var rgbVals = rgbStr.match(/\d+/g).map(function (v) { return parseInt(v, 10); });

        if (rgbVals.length < 3) {
            return;
        } else if (rgbVals.length === 3) {
            rgbVals = [255].concat(rgbVals);
        }

        // TODO: Use `padStart(2, '0')` once SDK 24 is dropped.
        const padRgb = (val) => {
            const hex = val.toString(16);
            return hex.length === 1 ? '0' + hex : hex;
        };
        const a = padRgb(rgbVals[0]);
        const r = padRgb(rgbVals[1]);
        const g = padRgb(rgbVals[2]);
        const b = padRgb(rgbVals[3]);
        const hexStr = '#' + a + r + g + b;

        if (window.StatusBar) {
            window.StatusBar.backgroundColorByHexString(hexStr);
        } else {
            exec(null, null, 'SystemBarPlugin', 'setStatusBarBackgroundColor', rgbVals);
        }
    }
});

module.exports = statusBar;