Trade Chat Timer on Button for Chat 3.0

Show a timer that shows the time left to post next message in trade chat with a sound notification

您需要先安裝使用者腳本管理器擴展,如 TampermonkeyGreasemonkeyViolentmonkey 之後才能安裝該腳本。

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

您需要先安裝使用者腳本管理器擴充功能,如 TampermonkeyViolentmonkey 後才能安裝該腳本。

您需要先安裝使用者腳本管理器擴充功能,如 TampermonkeyUserscripts 後才能安裝該腳本。

你需要先安裝一款使用者腳本管理器擴展,比如 Tampermonkey,才能安裝此腳本

您需要先安裝使用者腳本管理器擴充功能後才能安裝該腳本。

(我已經安裝了使用者腳本管理器,讓我安裝!)

你需要先安裝一款使用者樣式管理器擴展,比如 Stylus,才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展,比如 Stylus,才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展,比如 Stylus,才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展後才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展後才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展後才能安裝此樣式

(我已經安裝了使用者樣式管理器,讓我安裝!)

// ==UserScript==
// @name         Trade Chat Timer on Button for Chat 3.0
// @namespace    http://tampermonkey.net/
// @version      3.2
// @description  Show a timer that shows the time left to post next message in trade chat with a sound notification
// @match        https://www.torn.com/*
// ==/UserScript==

(() => {
    const STORAGE_KEY = 'tornTradeTimerEnd';
    const TIMER_DURATION = 62000;
    let svgEl = null, rectEl = null, pathLength = 0;
    let observer = null;
    let animFrameId = null;
  
    const createSVGElement = (type, attributes = {}) => {
      const el = document.createElementNS('http://www.w3.org/2000/svg', type);
      Object.entries(attributes).forEach(([key, value]) => el.setAttribute(key, value));
      return el;
    };
  
    const setupOverlay = (btn) => {
      const { width, height } = btn.getBoundingClientRect();
  
      if (!svgEl) {
        svgEl = createSVGElement('svg', {
          id: 'trade-timer-overlay',
          style: 'position:absolute;top:0;left:0;z-index:1000;pointer-events:none'
        });
  
        rectEl = createSVGElement('rect', {
          x: '1.5',
          y: '1.5',
          fill: 'none',
          'stroke-width': '3'
        });
  
        svgEl.appendChild(rectEl);
        btn.appendChild(svgEl);
      }
  
      Object.entries({ width, height }).forEach(([key, value]) => svgEl.setAttribute(key, value));
      Object.entries({ width: width - 3, height: height - 3 }).forEach(([key, value]) => rectEl.setAttribute(key, value));
  
      pathLength = 2 * (width + height - 6);
      rectEl.setAttribute('stroke-dasharray', pathLength);
    };
  
    const updateTimerVisual = (remainingMs) => {
      if (!rectEl) return;
  
      const isComplete = remainingMs <= 0;
      rectEl.setAttribute('stroke', isComplete ? 'green' : 'red');
      rectEl.setAttribute('stroke-dasharray', isComplete ? 'none' : pathLength);
  
      if (!isComplete) {
        const offset = pathLength * (1 - remainingMs / TIMER_DURATION);
        rectEl.setAttribute('stroke-dashoffset', offset);
      }
    };

    const playNotificationSound = () => {
      try {
        const audioContext = new (window.AudioContext || window.webkitAudioContext)();
        const oscillator = audioContext.createOscillator();
        const gainNode = audioContext.createGain();
        
        oscillator.connect(gainNode);
        gainNode.connect(audioContext.destination);
        
        oscillator.frequency.setValueAtTime(800, audioContext.currentTime);
        oscillator.frequency.setValueAtTime(600, audioContext.currentTime + 0.1);
        
        gainNode.gain.setValueAtTime(0.1, audioContext.currentTime);
        gainNode.gain.exponentialRampToValueAtTime(0.01, audioContext.currentTime + 0.3);
        
        oscillator.start(audioContext.currentTime);
        oscillator.stop(audioContext.currentTime + 0.3);
      } catch (error) {
        console.log('Audio notification not supported:', error);
      }
    };

    const cleanupTimer = (btn) => {
      if (animFrameId) {
        cancelAnimationFrame(animFrameId);
        animFrameId = null;
      }
      if (svgEl) {
        svgEl.remove();
        svgEl = null;
        rectEl = null;
      }
      if (btn) btn.style.border = '3px solid green';
      
      playNotificationSound();
      localStorage.removeItem(STORAGE_KEY);
    };

    const runTimer = async (btn) => {
      if (!btn) return;
  
      if (animFrameId) cancelAnimationFrame(animFrameId);
      
      btn.style.border = 'none';
      let timerCompleted = false;
  
      if (svgEl) {
        svgEl.remove();
        svgEl = null;
        rectEl = null;
      }
      setupOverlay(btn);
  
      const animate = () => {
        const endTime = parseInt(localStorage.getItem(STORAGE_KEY));
        const remaining = endTime - Date.now();
  
        if (remaining <= 0 && !timerCompleted) {
          timerCompleted = true;
          cleanupTimer(btn);
        } else if (remaining > 0) {
          updateTimerVisual(remaining);
          animFrameId = requestAnimationFrame(animate);
        }
      };

      const endTime = parseInt(localStorage.getItem(STORAGE_KEY));
      updateTimerVisual(endTime - Date.now());
      animFrameId = requestAnimationFrame(animate);
    };
  
    const startTimer = (btn) => {
      if (!btn) return;
      localStorage.setItem(STORAGE_KEY, Date.now() + TIMER_DURATION);
      runTimer(btn);
    };

    const waitForMessageSend = (textarea) => {
      return new Promise((resolve) => {
        const originalValue = textarea.value.trim();
        if (!originalValue) {
          resolve(false);
          return;
        }

        const checkCleared = () => {
          if (!textarea.value.trim()) {
            resolve(true);
          }
        };

        setTimeout(checkCleared, 100);
        
        const inputHandler = () => {
          if (!textarea.value.trim()) {
            textarea.removeEventListener('input', inputHandler);
            resolve(true);
          }
        };
        textarea.addEventListener('input', inputHandler);
        
        setTimeout(() => {
          textarea.removeEventListener('input', inputHandler);
          resolve(false);
        }, 1000);
      });
    };

    const getTradeChat = () => {
      const chatContainers = document.querySelectorAll('[id*="public_trade"], [class*="root___"]:has([class*="title___"])');
      
      for (const container of chatContainers) {
        const titleElement = container.querySelector('[class*="title___"]');
        if (titleElement && titleElement.textContent.trim() === 'Trade') {
          return container;
        }
      }
      
      return document.getElementById('public_trade') || document.querySelector('[id*="public_trade"]');
    };

    const isTradeChat = (element) => {
      const tradeChat = getTradeChat();
      if (!tradeChat) return false;
      return tradeChat.contains(element);
    };
  
    const initializeTradeButton = (tradeBtn) => {
      if (!tradeBtn || tradeBtn._timerInitialized) return;
  
      if (getComputedStyle(tradeBtn).position === 'static') {
        tradeBtn.style.position = 'relative';
      }
  
      const stored = parseInt(localStorage.getItem(STORAGE_KEY));
      stored && stored > Date.now() ? runTimer(tradeBtn) : (tradeBtn.style.border = '3px solid green');
      
      tradeBtn._timerInitialized = true;
    };

    const setupChatHandlers = (ta, send, tradeBtn) => {
      if (ta._timerSetup) return;

      const handleSendAttempt = async () => {
        if (isTradeChat(ta) && ta.value.trim()) {
          const messageSent = await waitForMessageSend(ta);
          if (messageSent) {
            startTimer(tradeBtn);
          }
        }
      };

      ta.addEventListener('keydown', (e) => {
        if (e.key === 'Enter') {
          handleSendAttempt();
        }
      });

      if (send) {
        send.addEventListener('click', handleSendAttempt);
      }

      ta._timerSetup = true;
    };

    const checkAndSetupElements = () => {
      const tradeBtn = document.getElementById('channel_panel_button:public_trade');
      const tradeChat = getTradeChat();
      
      if (tradeBtn) {
        initializeTradeButton(tradeBtn);
      }

      if (tradeChat && tradeBtn) {
        const ta = tradeChat.querySelector('textarea[class*="textarea___"]');
        const send = tradeChat.querySelector('button[class*="iconWrapper___"]');

        if (ta) {
          setupChatHandlers(ta, send, tradeBtn);
        }
      }
    };
  
    const setupChatObserver = () => {
      if (observer) observer.disconnect();
  
      const chatRoot = document.getElementById('chatRoot');
      if (!chatRoot) {
        const docObserver = new MutationObserver(() => {
          if (document.getElementById('chatRoot')) {
            docObserver.disconnect();
            setupChatObserver();
          }
        });
        docObserver.observe(document.body, { childList: true, subtree: true });
        return;
      }

      let lastCheck = 0;
      observer = new MutationObserver(() => {
        const now = Date.now();
        if (now - lastCheck > 100) {
          lastCheck = now;
          checkAndSetupElements();
        }
      });
  
      checkAndSetupElements();
      observer.observe(chatRoot, { childList: true, subtree: true });
    };
  
    document.addEventListener('visibilitychange', () => {
      if (document.visibilityState === 'visible') {
        const tradeBtn = document.getElementById('channel_panel_button:public_trade');
        if (tradeBtn) {
          const stored = parseInt(localStorage.getItem(STORAGE_KEY));
          if (stored) {
            if (stored > Date.now()) {
              runTimer(tradeBtn);
            } else {
              cleanupTimer(tradeBtn);
              initializeTradeButton(tradeBtn);
            }
          } else {
            initializeTradeButton(tradeBtn);
          }
        }
        checkAndSetupElements();
      }
    });
  
    window.addEventListener('storage', (e) => {
      if (e.key === STORAGE_KEY) {
        const tradeBtn = document.getElementById('channel_panel_button:public_trade');
        if (!tradeBtn) return;
  
        const val = parseInt(e.newValue);
        val && val > Date.now() ? runTimer(tradeBtn) : cleanupTimer(tradeBtn);
      }
    });
  
    document.readyState === 'loading'
      ? document.addEventListener('DOMContentLoaded', setupChatObserver)
      : setupChatObserver();
  })();