Rosiminc Nonogram Cafe Timer

Add a timer to RosimInc's Nonogram Café

You will need to install an extension such as Tampermonkey, Greasemonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey to install this script.

You will need to install an extension such as Tampermonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Userscripts to install this script.

You will need to install an extension such as Tampermonkey to install this script.

You will need to install a user script manager extension to install this script.

(I already have a user script manager, let me install it!)

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(I already have a user style manager, let me install it!)

// ==UserScript==
// @name         Rosiminc Nonogram Cafe Timer
// @namespace    https://github.com/palharesf/
// @version      1.0
// @description  Add a timer to RosimInc's Nonogram Café
// @author       palharesf
// @license      MIT
// @match        https://rosiminc.github.io/sg-nonograms/*
// @grant        none
//
// Changelog:
// v1.0 - Initial release
// ==/UserScript==

(function() {
    'use strict';

    let timerInterval = null;
    let startTime = null;
    let elapsedTime = 0;
    let timerStarted = false;

    // Create timer element
    const timerDiv = document.createElement('div');
    timerDiv.id = 'nonogram-timer';
    // Get the page background color
    const bgColor = window.getComputedStyle(document.body).backgroundColor;
    
    // Wait for buttons to load and copy their styles
    function applyButtonStyles() {
        const undoButton = document.querySelector('button');
        if (undoButton) {
            const buttonStyles = window.getComputedStyle(undoButton);
            timerDiv.style.cssText = `
                position: fixed;
                top: 10px;
                right: 10px;
                background: ${bgColor};
                color: white;
                padding: 10px 20px;
                border-radius: 5px;
                font-family: ${buttonStyles.fontFamily};
                font-size: 24px;
                font-weight: ${buttonStyles.fontWeight};
                z-index: 10000;
                user-select: none;
            `;
        }
    }
    
    // Apply styles immediately and also after a short delay
    applyButtonStyles();
    setTimeout(applyButtonStyles, 500);
    timerDiv.textContent = '00:00';
    document.body.appendChild(timerDiv);

    // Time formatting function
    function formatTime(ms) {
        const totalSeconds = Math.floor(ms / 1000);
        const minutes = Math.floor(totalSeconds / 60);
        const seconds = totalSeconds % 60;
        return `${String(minutes).padStart(2, '0')}:${String(seconds).padStart(2, '0')}`;
    }

    // Timer update function
    function updateTimer() {
        elapsedTime = Date.now() - startTime;
        timerDiv.textContent = formatTime(elapsedTime);
    }

    // Timer start/stop functions
    function startTimer() {
        if (!timerStarted) {
            timerStarted = true;
            startTime = Date.now();
            timerInterval = setInterval(updateTimer, 100);
        }
    }

    function stopTimer() {
        if (timerInterval) {
            clearInterval(timerInterval);
            timerInterval = null;
        }
    }

    // Listen for clicks on the canvas (game board)
    document.addEventListener('click', function(e) {
        // Check if click is on canvas element (the game board)
        if (e.target.tagName === 'CANVAS' && !timerStarted) {
            startTimer();
        }
    }, true);

    // Monitor for completion (msgDiv visibility)
    const observer = new MutationObserver(function(mutations) {
        mutations.forEach(function(mutation) {
            mutation.addedNodes.forEach(function(node) {
                if (node.id === 'msgDiv' || (node.nodeType === 1 && node.querySelector && node.querySelector('#msgDiv'))) {
                    const msgDiv = node.id === 'msgDiv' ? node : node.querySelector('#msgDiv');
                    if (msgDiv && msgDiv.style.display !== 'none') {
                        stopTimer();
                    }
                }
            });
            
            if (mutation.type === 'attributes' && mutation.target.id === 'msgDiv') {
                const msgDiv = mutation.target;
                if (msgDiv.style.display !== 'none' && window.getComputedStyle(msgDiv).display !== 'none') {
                    stopTimer();
                }
            }
        });
    });

    // Start observing the document
    observer.observe(document.body, {
        childList: true,
        subtree: true,
        attributes: true,
        attributeFilter: ['style', 'class']
    });

    // Check if msgDiv already exists on page load
    setTimeout(() => {
        const msgDiv = document.getElementById('msgDiv');
        if (msgDiv && window.getComputedStyle(msgDiv).display !== 'none') {
            stopTimer();
        }
    }, 500);
})();