Trade Chat Timer on Button

Show a timer that shows the time left to post next message.

当前为 2024-06-01 提交的版本,查看 最新版本

您需要先安装一个扩展,例如 篡改猴Greasemonkey暴力猴,之后才能安装此脚本。

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

您需要先安装一个扩展,例如 篡改猴暴力猴,之后才能安装此脚本。

您需要先安装一个扩展,例如 篡改猴Userscripts ,之后才能安装此脚本。

您需要先安装一款用户脚本管理器扩展,例如 Tampermonkey,才能安装此脚本。

您需要先安装用户脚本管理器扩展后才能安装此脚本。

(我已经安装了用户脚本管理器,让我安装!)

您需要先安装一款用户样式管理器扩展,比如 Stylus,才能安装此样式。

您需要先安装一款用户样式管理器扩展,比如 Stylus,才能安装此样式。

您需要先安装一款用户样式管理器扩展,比如 Stylus,才能安装此样式。

您需要先安装一款用户样式管理器扩展后才能安装此样式。

您需要先安装一款用户样式管理器扩展后才能安装此样式。

您需要先安装一款用户样式管理器扩展后才能安装此样式。

(我已经安装了用户样式管理器,让我安装!)

// ==UserScript==
// @name         Trade Chat Timer on Button
// @namespace    http://tampermonkey.net/
// @version      1.5
// @description  Show a timer that shows the time left to post next message.
// @match        https://www.torn.com/*
// ==/UserScript==

const STORAGE_KEY = "localStorage__Trade_Chat_Timer__Do_Not_Edit";

async function waitFor(selector, parent = document) {
    return new Promise(resolve => {
        const checkExist = () => {
            const el = parent.querySelector(selector);
            if (el) {
                resolve(el);
            } else {
                requestAnimationFrame(checkExist);
            }
        };
        checkExist();
    });
}

(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"].time-left {
                    position: relative;
                    background-size: cover;
                    background-position: center;
                }
                #chatRoot [class*="minimized-menu-item__"][title="Trade"].time-complete {
                    position: relative;
                    background-size: cover;
                    background-position: center;
                    background-image: url('data:image/svg+xml;charset=UTF-8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><rect x="5" y="5" width="90" height="90" stroke="green" stroke-width="10" fill="none"/></svg>');
                }
            `;
            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;

    const updateTimerVisual = (timeLeft) => {
        if (timeLeft > 0) {
            tradeChatButton.classList.add("time-left");
            tradeChatButton.classList.remove("time-complete");
            tradeChatButton.style.backgroundImage = `url('data:image/svg+xml;charset=UTF-8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><rect x="5" y="5" width="90" height="90" stroke="red" stroke-width="10" fill="none" stroke-dasharray="360" stroke-dashoffset="${360 * (1 - timeLeft / 60000)}"/></svg>')`;
        } else {
            tradeChatButton.classList.remove("time-left");
            tradeChatButton.classList.add("time-complete");
            tradeChatButton.style.backgroundImage = `url('data:image/svg+xml;charset=UTF-8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><rect x="5" y="5" width="90" height="90" stroke="green" stroke-width="10" fill="none"/></svg>')`;
        }
    };

    const setTimer = () => {
        const timestamp = parseInt(localStorage.getItem(STORAGE_KEY) || Date.now());
        const timeUntil = Math.max(60000 - (Date.now() - timestamp), 0);
        updateTimerVisual(timeUntil);
        if (!localStorage.getItem(STORAGE_KEY)) localStorage.setItem(STORAGE_KEY, Date.now());
    };

    const resetTimer = () => {
        const timestamp = Date.now();
        localStorage.setItem(STORAGE_KEY, timestamp);
        updateTimerVisual(60000);
    };

    const throttle = (func, limit) => {
        let lastFunc;
        let lastRan;
        return function(...args) {
            if (!lastRan) {
                func(...args);
                lastRan = Date.now();
            } else {
                clearTimeout(lastFunc);
                lastFunc = setTimeout(function() {
                    if ((Date.now() - lastRan) >= limit) {
                        func(...args);
                        lastRan = Date.now();
                    }
                }, limit - (Date.now() - lastRan));
            }
        };
    };

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

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

                const node = mutation.addedNodes[0];
                observer.disconnect();
                resolve(node);
            }).observe(chatBody, { childList: true });
        });

        if (await checkForBlockMessage(chatBody)) {
            return;
        }
        resetTimer();
    }

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

    const attachMutationObserver = (chat) => {
        const chatBody = chat.querySelector("[class*='chat-box-body___']");
        new MutationObserver(throttle(async (mutations) => {
            if (await checkForBlockMessage(chatBody)) {
                return;
            }
        }, 500)).observe(chatBody, { childList: true, subtree: true });
    };

    if (tradeChat) {
        attachKeyUpListener(tradeChat);
        attachMutationObserver(tradeChat);
    }

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

    document.addEventListener("click", async e => {
        const specificButton = document.querySelector("button.chat-box-footer__send-icon-wrapper___fGx9E");
        if (specificButton && specificButton.contains(e.target)) {
            await handleNewMessage(tradeChat);
        }
    });

    setTimer();
    setInterval(setTimer, 100);

    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__']");
    }
})();