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BangleApps/apps/rndmclk/widget.js

33 lines
1.1 KiB
JavaScript

(() => {
let currentClock = "";
/**
* Random value between zero (inclusive) and max (exclusive)
* @param {int} max
*/
function getRandomInt(max) {
return Math.floor(Math.random() * Math.floor(max));
}
function loadRandomClock() {
// Find available clock apps (same way as in the bootloader)
var clockApps = require("Storage").list(/\.info$/).map(app => require("Storage").readJSON(app, 1) || {}).filter(app => app.type == "clock").sort((a, b) => a.sortorder - b.sortorder);
if (clockApps && clockApps.length > 0) {
var clockIndex = getRandomInt(clockApps.length);
// Only update the file if the clock really changed to be nice to the FLASH mem
if (clockApps[clockIndex].src != currentClock) {
currentClock = clockApps[clockIndex].src;
settings = require("Storage").readJSON('setting.json', 1);
settings.clock = clockApps[clockIndex].src;
require("Storage").write('setting.json', settings);
console.log("RandomClockWidget set the clock to '" + clockApps[clockIndex].name + "'");
}
}
}
loadRandomClock();
})();