Trade Chat Timer on Button

Show a timer that shows the time left to post next message, synchronized across tabs.

θα χρειαστεί να εγκαταστήσετε μια επέκταση όπως το Tampermonkey, το Greasemonkey ή το Violentmonkey για να εγκαταστήσετε αυτόν τον κώδικα.

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

θα χρειαστεί να εγκαταστήσετε μια επέκταση όπως το Tampermonkey ή το Violentmonkey για να εγκαταστήσετε αυτόν τον κώδικα.

θα χρειαστεί να εγκαταστήσετε μια επέκταση όπως το Tampermonkey ή το Userscripts για να εγκαταστήσετε αυτόν τον κώδικα.

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

Θα χρειαστεί να εγκαταστήσετε μια επέκταση διαχείρισης κώδικα χρήστη για να εγκαταστήσετε αυτόν τον κώδικα.

(Έχω ήδη έναν διαχειριστή κώδικα χρήστη, επιτρέψτε μου να τον εγκαταστήσω!)

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.

(Έχω ήδη έναν διαχειριστή στυλ χρήστη, επιτρέψτε μου να τον εγκαταστήσω!)

// ==UserScript==
// @name         Trade Chat Timer on Button
// @namespace    http://tampermonkey.net/
// @version      2.3
// @description  Show a timer that shows the time left to post next message, synchronized across tabs.
// @match        https://www.torn.com/*
// ==/UserScript==

const STORAGE_KEY = "localStorage__Trade_Chat_Timer__Do_Not_Edit";
const timerChannel = new BroadcastChannel('tradeChatTimer');

function waitFor(selector, parent = document) {
    return new Promise(resolve => {
        const observer = new MutationObserver(mutations => {
            mutations.forEach(() => {
                const el = parent.querySelector(selector);
                if (el) {
                    observer.disconnect();
                    resolve(el);
                }
            });
        });
        observer.observe(parent, { childList: true, subtree: true });
    });
}

(async () => {
    const addStyle = () => {
        if (!document.head.querySelector("#trade-chat-timer-style")) {
            const style = document.createElement('style');
            style.id = "trade-chat-timer-style";
            style.textContent = `
                #chatRoot [class*="minimized-menu-item__"][title="Trade"] {
                    position: relative;
                }
                #chatRoot [class*="minimized-menu-item__"][title="Trade"] .timer-svg {
                    position: absolute;
                    top: 0;
                    left: 0;
                    width: 100%;
                    height: 100%;
                    pointer-events: none;
                }
            `;
            document.head.appendChild(style);
        }
    };

    addStyle();

    const tradeChatButton = await waitFor("#chatRoot [class*='minimized-menu-item__'][title='Trade']");
    let tradeChat = tradeChatButton?.className.includes("minimized-menu-item--open__") ? await getTradeChat() : null;

    let timerSvg = tradeChatButton?.querySelector('.timer-svg');
    if (tradeChatButton && !timerSvg) {
        timerSvg = document.createElementNS("http://www.w3.org/2000/svg", "svg");
        timerSvg.setAttribute("viewBox", "0 0 100 100");
        timerSvg.classList.add("timer-svg");
        timerSvg.innerHTML = '<rect x="5" y="5" width="90" height="90" stroke-width="10" fill="none" />';
        tradeChatButton.appendChild(timerSvg);
    }

    const timerRect = timerSvg?.querySelector('rect');

    let nextAllowedTime = new Date(localStorage.getItem(STORAGE_KEY) || Date.now());

    const updateTimerVisual = (timeLeft) => {
        const roundedTimeLeft = Math.round(timeLeft / 1000) * 1000; // Round to nearest second
        if (timerRect) {
            if (roundedTimeLeft > 0) {
                timerRect.setAttribute('stroke', 'red');
                timerRect.setAttribute('stroke-dasharray', '360');
                timerRect.setAttribute('stroke-dashoffset', 360 * (1 - roundedTimeLeft / 60000));
            } else {
                timerRect.setAttribute('stroke', 'green');
                timerRect.setAttribute('stroke-dasharray', 'none');
                timerRect.setAttribute('stroke-dashoffset', '0');
            }
        }
    };

    let timerInterval;
    const setTimer = () => {
        const now = new Date();
        const timeUntil = Math.max(nextAllowedTime - now, 0);
        updateTimerVisual(timeUntil);

        timerChannel.postMessage({ timeUntil });

        if (timeUntil === 0) {
            clearInterval(timerInterval);
        } else {
            requestAnimationFrame(setTimer);
        }
    };

    const resetTimer = () => {
        nextAllowedTime = new Date(Date.now() + 60000);
        localStorage.setItem(STORAGE_KEY, nextAllowedTime.toISOString());
        clearInterval(timerInterval);
        timerInterval = requestAnimationFrame(setTimer);

        timerChannel.postMessage({ reset: true, nextAllowedTime: nextAllowedTime.toISOString() });
    };

    timerChannel.onmessage = (event) => {
        if (event.data.timeUntil !== undefined) {
            updateTimerVisual(event.data.timeUntil);
        } else if (event.data.reset) {
            nextAllowedTime = new Date(event.data.nextAllowedTime);
            clearInterval(timerInterval);
            timerInterval = requestAnimationFrame(setTimer);
        }
    };

    async function checkForBlockMessage(chatBody) {
        const lastMessage = chatBody?.lastElementChild;
        return lastMessage && lastMessage.classList.contains("chat-box-body__block-message-wrapper___JjbKr") && lastMessage.textContent.includes("Trade chat allows one message per 60 seconds");
    }

    async function handleNewMessage(chat) {
        const chatBody = chat.querySelector("[class*='chat-box-body___']");
        return new Promise(resolve => {
            const observer = new MutationObserver(async (mutations) => {
                const mutation = mutations.find(mutation => mutation.addedNodes.length);
                if (!mutation) return;

                observer.disconnect();

                if (await checkForBlockMessage(chatBody)) {
                    resolve(false);
                } else {
                    resetTimer();
                    resolve(true);
                }
            });

            observer.observe(chatBody, { childList: true });
        });
    }

    function attachChatListeners(chat) {
        const textarea = chat.querySelector("textarea");
        if (textarea) {
            textarea.addEventListener("keyup", async e => {
                if (e.key === "Enter") {
                    await handleNewMessage(chat);
                }
            });
        }

        const sendButton = chat.querySelector("button.chat-box-footer__send-icon-wrapper___fGx9E");
        if (sendButton) {
            sendButton.addEventListener("click", async () => {
                await handleNewMessage(chat);
            });
        }
    }

    if (tradeChat) {
        attachChatListeners(tradeChat);
    }

    tradeChatButton?.addEventListener("click", async () => {
        if (!tradeChatButton.className.includes("minimized-menu-item--open__")) {
            tradeChat = await getTradeChat();
        }
        if (tradeChat) {
            attachChatListeners(tradeChat);
        }
    });

    setTimer(); // Initial timer setup
    timerInterval = requestAnimationFrame(setTimer);

    async function getTradeChat() {
        await waitFor("#chatRoot [class*='chat-box-header__']");
        return [...document.querySelectorAll("#chatRoot [class*='chat-box-header__']")].find(x => x.textContent === "Trade")?.closest("[class*='chat-box__']");
    }
})();