ChatGPT Done Notification

Play a sound when ChatGPT finishes generating a response
Stel een vraag, plaats een beoordeling of rapporteer dit script.
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// ==UserScript==
// @name         ChatGPT Done Notification
// @namespace    https://github.com/yourname/chatgpt-done-notification
// @version      1.0.0
// @description  Play a sound when ChatGPT finishes generating a response
// @match        https://chatgpt.com/*
// @grant        none
// ==/UserScript==


(function () {
  'use strict';

  const POLL_MS = 200;

  function getBtn() {
    return document.querySelector('#composer-submit-button');
  }

  function isStop(btn) {
    if (!btn) return false;
    const aria = (btn.getAttribute('aria-label') || '').toLowerCase();
    const testid = (btn.getAttribute('data-testid') || '').toLowerCase();
    return testid === 'stop-button' || aria.includes('stop');
  }

  let lastIsStop = null;
  let hadStopPhase = false;

  // 🔊 本地生成提示音（不依赖任何资源）
  function playDoneSound() {
    try {
      const ctx = new (window.AudioContext || window.webkitAudioContext)();
      const now = ctx.currentTime;

      function beep(freq, start, duration) {
        const osc = ctx.createOscillator();
        const gain = ctx.createGain();

        osc.type = 'sine';
        osc.frequency.value = freq;

        gain.gain.setValueAtTime(0.0001, start);
        gain.gain.exponentialRampToValueAtTime(0.15, start + 0.01);
        gain.gain.exponentialRampToValueAtTime(0.0001, start + duration);

        osc.connect(gain);
        gain.connect(ctx.destination);

        osc.start(start);
        osc.stop(start + duration);
      }

      // 高 → 低，完成感
      beep(880, now + 0.00, 0.18);
      beep(660, now + 0.22, 0.22);
    } catch (_) {
      // 静默失败，不打扰用户
    }
  }

  function check() {
    const btn = getBtn();

    // button 被销毁（生成结束常见路径）
    if (!btn) {
      if (hadStopPhase && lastIsStop === true) {
        playDoneSound();
        hadStopPhase = false;
        lastIsStop = null;
      }
      return;
    }

    const nowIsStop = isStop(btn);

    if (lastIsStop === null) {
      lastIsStop = nowIsStop;
      return;
    }

    if (nowIsStop) {
      hadStopPhase = true;
    }

    // stop → send
    if (hadStopPhase && lastIsStop && !nowIsStop) {
      playDoneSound();
      hadStopPhase = false;
    }

    lastIsStop = nowIsStop;
  }

  // 监听 DOM 变化（应对按钮重建）
  const domObserver = new MutationObserver(check);
  domObserver.observe(document.body, {
    childList: true,
    subtree: true
  });

  // 轮询兜底
  setInterval(check, POLL_MS);

})();