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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
/**
* QRCodeWorker - Worker-based QR code generation
*
* This module provides a worker-based implementation for QR code generation
* to avoid blocking the main thread during QR code processing.
*/
import { BasePromiseWorker } from "resource://gre/modules/PromiseWorker.sys.mjs";
const lazy = {};
ChromeUtils.defineLazyGetter(lazy, "logConsole", function () {
return console.createInstance({
prefix: "QRCodeWorker",
maxLogLevel: Services.prefs.getBoolPref("browser.qrcode.log", false)
? "Debug"
: "Warn",
});
});
/**
* Worker wrapper for QR code generation
*/
export class QRCodeWorker extends BasePromiseWorker {
constructor() {
super("moz-src:///browser/components/qrcode/QRCodeWorker.worker.mjs", {
type: "module",
});
// Set up logging
this.log = (...args) => lazy.logConsole.debug(...args);
}
/**
* Simple ping test for worker communication
*
* @returns {Promise<string>} Returns "pong"
*/
async ping() {
return this.post("ping", []);
}
/**
* Check if the QRCode library is available in the worker
*
* @returns {Promise<boolean>} True if library is available
*/
async hasQRCodeLibrary() {
return this.post("hasQRCodeLibrary", []);
}
/**
* Generate a QR code for the given URL
*
* @param {string} url - The URL to encode in the QR code
* @param {string} errorCorrectionLevel - Error correction level (L, M, Q, H)
* @returns {Promise<object>} Object with width, height, and src data URI
*/
async generateQRCode(url, errorCorrectionLevel = "H") {
return this.post("generateQRCode", [url, errorCorrectionLevel]);
}
/**
* Terminate the worker and clean up resources
*/
async terminate() {
super.terminate();
}
}