HTMLtoApp/examples/AudioPlayer.html at main · JulyIghor/HTMLtoApp · GitHub

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<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <meta name="htmltoapp:open-with" content="role=viewer; files=mp3,m4a,aac,wav,aif,aiff; folders=true; camera=false; microphone=false; location=false">
  <title>AudioPlayer</title>
  <style>
    :root {
      --bg: #161018;
      --panel: rgba(31, 21, 35, 0.86);
      --line: rgba(255,255,255,0.08);
      --text: #f6f0f9;
      --muted: #baaec1;
      --accent: #f4a75f;
      --accent-2: #93e2d9;
    }
    * { box-sizing: border-box; }
    html, body { height: 100%; margin: 0; font-family: "Avenir Next", "Segoe UI", sans-serif; color: var(--text); background: var(--bg); }
    body {
      background:
        radial-gradient(circle at top left, rgba(244,167,95,0.13), transparent 28%),
        radial-gradient(circle at bottom right, rgba(147,226,217,0.14), transparent 30%),
        linear-gradient(180deg, #241728, #140f17 65%);
    }
    .app {
      height: 100%;
      display: grid;
      grid-template-columns: 1.1fr 0.9fr;
    }
    .hero, .queue {
      background: var(--panel);
      backdrop-filter: blur(18px);
    }
    .hero {
      border-right: 1px solid var(--line);
      display: grid;
      place-items: center;
      padding: 28px;
    }
    .player-card {
      width: min(640px, 100%);
      border-radius: 34px;
      border: 1px solid var(--line);
      background:
        linear-gradient(180deg, rgba(255,255,255,0.07), rgba(255,255,255,0.03)),
        radial-gradient(circle at top right, rgba(244,167,95,0.16), transparent 24%);
      box-shadow: 0 32px 120px rgba(0,0,0,0.3);
      padding: 28px;
      display: grid;
      gap: 18px;
    }
    .eyebrow {
      font-size: 11px;
      letter-spacing: 0.18em;
      text-transform: uppercase;
      color: var(--accent-2);
      font-weight: 800;
    }
    h1 {
      margin: 8px 0 0;
      font-size: 38px;
      letter-spacing: -0.05em;
    }
    .subtitle, .path, .queue-head p {
      margin: 0;
      color: var(--muted);
      line-height: 1.5;
    }
    .visualizer {
      height: 180px;
      border-radius: 26px;
      border: 1px solid var(--line);
      background: linear-gradient(180deg, rgba(255,255,255,0.04), rgba(255,255,255,0.01));
      display: flex;
      align-items: end;
      justify-content: center;
      gap: 8px;
      padding: 24px;
      overflow: hidden;
    }
    .bar {
      width: 12px;
      min-height: 18px;
      border-radius: 999px;
      background: linear-gradient(180deg, var(--accent-2), var(--accent));
      transform-origin: bottom center;
      animation: pulse 1.1s ease-in-out infinite;
      opacity: 0.88;
    }
    @keyframes pulse {
      0%, 100% { transform: scaleY(0.32); }
      50% { transform: scaleY(1); }
    }
    .progress-wrap { display: grid; gap: 8px; }
    input[type="range"] { width: 100%; accent-color: var(--accent); }
    .progress-meta, .controls {
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 12px;
    }
    .controls { flex-wrap: wrap; }
    button {
      border: 1px solid var(--line);
      background: rgba(255,255,255,0.06);
      color: var(--text);
      border-radius: 999px;
      padding: 9px 14px;
      cursor: pointer;
      font: inherit;
    }
    button.primary {
      background: linear-gradient(135deg, var(--accent), #f07b56);
      color: #1f1208;
      border-color: transparent;
      font-weight: 800;
    }
    .queue {
      display: grid;
      grid-template-rows: auto 1fr;
      min-height: 0;
    }
    .queue-head {
      padding: 24px;
      border-bottom: 1px solid var(--line);
    }
    .list {
      overflow: auto;
      padding: 14px;
      display: grid;
      gap: 10px;
      align-content: start;
    }
    .track {
      width: 100%;
      text-align: left;
      border-radius: 20px;
      padding: 12px;
    }
    .track.active {
      background: rgba(147,226,217,0.12);
      border-color: rgba(147,226,217,0.35);
    }
    .name { font-weight: 700; font-size: 14px; }
    .meta { font-size: 12px; color: var(--muted); margin-top: 5px; word-break: break-word; }
    a.brand-link { color: var(--accent-2); text-decoration: none; font-weight: 700; }
    .drop-overlay {
      position: fixed;
      inset: 18px;
      border-radius: 30px;
      border: 2px dashed rgba(147,226,217,0.55);
      background: rgba(23, 15, 26, 0.78);
      backdrop-filter: blur(12px);
      display: grid;
      place-items: center;
      text-align: center;
      padding: 28px;
      z-index: 100;
      pointer-events: none;
    }
    .drop-overlay strong {
      display: block;
      font-size: 28px;
      letter-spacing: -0.04em;
      margin-bottom: 8px;
    }
    .drop-overlay span {
      color: var(--muted);
      max-width: 32rem;
      line-height: 1.5;
    }
    .drop-overlay[hidden] { display: none !important; }
    @media (max-width: 960px) {
      .app { grid-template-columns: 1fr; grid-template-rows: 1fr 320px; }
      .hero { border-right: 0; border-bottom: 1px solid var(--line); }
    }
  </style>
</head>
<body>
  <div class="app">
    <section class="hero">
      <div class="player-card">
        <div class="eyebrow">HTML to App Demo</div>
        <h1 id="title">AudioPlayer</h1>
        <p class="subtitle" id="subtitle">Open local tracks or folders through Finder, or drag them into the window to build a queue.</p>
        <p class="subtitle" style="margin-top:8px;">Made for <a class="brand-link" href="https://htmltoapp.app">HTML to App</a>.</p>
        <div class="visualizer" id="visualizer"></div>
        <div class="path" id="path">Suggested extensions: mp3, wav, aac, m4a, aif, aiff</div>
        <div class="progress-wrap">
          <input id="scrubber" type="range" min="0" max="1" step="0.001" value="0">
          <div class="progress-meta">
            <span id="timeNow">0:00</span>
            <span id="timeTotal">0:00</span>
          </div>
        </div>
        <div class="controls">
          <div style="display:flex; gap:8px; flex-wrap:wrap;">
            <button id="prev">Previous</button>
            <button id="play" class="primary">Play</button>
            <button id="next">Next</button>
          </div>
          <div style="display:flex; align-items:center; gap:10px;">
            <span>Volume</span>
            <input id="volume" type="range" min="0" max="1" step="0.01" value="1">
          </div>
        </div>
      </div>
    </section>
    <aside class="queue">
      <div class="queue-head">
        <div class="eyebrow">Queue</div>
        <h2 style="margin:8px 0 6px; font-size:28px; letter-spacing:-0.04em;">Local tracks</h2>
        <p id="count">0 items loaded</p>
      </div>
      <div class="list" id="list"></div>
    </aside>
  </div>
  <div class="drop-overlay" id="dropOverlay" hidden>
    <div>
      <strong>Drop tracks or folders</strong>
      <span>AudioPlayer will queue supported audio files from the dropped selection.</span>
    </div>
  </div>

  <audio id="audio"></audio>

  <script>
    const AUDIO_EXTENSIONS = new Set(["mp3", "wav", "aac", "m4a", "aif", "aiff"]);
    const state = { tracks: [], index: 0 };

    const audio = document.getElementById("audio");
    const list = document.getElementById("list");
    const count = document.getElementById("count");
    const title = document.getElementById("title");
    const subtitle = document.getElementById("subtitle");
    const pathLabel = document.getElementById("path");
    const scrubber = document.getElementById("scrubber");
    const timeNow = document.getElementById("timeNow");
    const timeTotal = document.getElementById("timeTotal");
    const playButton = document.getElementById("play");
    const visualizer = document.getElementById("visualizer");
    const dropOverlay = document.getElementById("dropOverlay");
    let dropDepth = 0;

    for (let i = 0; i < 28; i += 1) {
      const bar = document.createElement("div");
      bar.className = "bar";
      bar.style.animationDelay = `${i * 0.05}s`;
      bar.style.height = `${26 + (i % 7) * 12}px`;
      visualizer.appendChild(bar);
    }

    function extensionOf(name) {
      const dot = name.lastIndexOf(".");
      return dot === -1 ? "" : name.slice(dot + 1).toLowerCase();
    }

    function isAudio(item) {
      return !item.isDirectory && AUDIO_EXTENSIONS.has(extensionOf(item.name || item.path || ""));
    }

    async function listDirectory(item) {
      const response = await fetch(item.listingURL || item.baseURL);
      const payload = await response.json();
      return Array.isArray(payload.entries) ? payload.entries : [];
    }

    function makeDroppedItem(file, explicitPath = "") {
      const rawPath = explicitPath || file.webkitRelativePath || file.name;
      return {
        name: file.name,
        path: rawPath.replace(/^\/+/, "") || file.name,
        url: URL.createObjectURL(file),
        isDirectory: false
      };
    }

    function readFileEntry(entry) {
      return new Promise((resolve, reject) => entry.file(resolve, reject));
    }

    function readDirectoryBatch(reader) {
      return new Promise((resolve, reject) => reader.readEntries(resolve, reject));
    }

    async function collectDroppedFilesFromEntry(entry) {
      if (!entry) return [];
      if (entry.isFile) {
        const file = await readFileEntry(entry);
        return [makeDroppedItem(file, entry.fullPath || file.webkitRelativePath || file.name)];
      }
      if (!entry.isDirectory) return [];

      const files = [];
      const reader = entry.createReader();
      while (true) {
        const batch = await readDirectoryBatch(reader);
        if (!batch.length) break;
        for (const child of batch) {
          const childFiles = await collectDroppedFilesFromEntry(child);
          files.push(...childFiles);
        }
      }
      return files;
    }

    async function collectDroppedFiles(dataTransfer) {
      const files = [];
      const items = Array.from(dataTransfer.items || []);
      if (items.length) {
        for (const item of items) {
          if (item.kind !== "file") continue;
          const entry = typeof item.webkitGetAsEntry === "function" ? item.webkitGetAsEntry() : null;
          if (entry) {
            try {
              const entryFiles = await collectDroppedFilesFromEntry(entry);
              files.push(...entryFiles);
            } catch (error) {
              console.error("Failed to read dropped entry", error);
            }
            continue;
          }
          const file = item.getAsFile ? item.getAsFile() : null;
          if (file) files.push(makeDroppedItem(file));
        }
      } else {
        for (const file of Array.from(dataTransfer.files || []))
          files.push(makeDroppedItem(file));
      }
      return files;
    }

    function dragHasFiles(event) {
      return !!(event.dataTransfer && Array.from(event.dataTransfer.types || []).includes("Files"));
    }

    function showDropOverlay() {
      dropOverlay.hidden = false;
    }

    function hideDropOverlay() {
      dropDepth = 0;
      dropOverlay.hidden = true;
    }

    async function gatherTracks(items) {
      const tracks = [];
      for (const item of items) {
        if (!item) continue;
        if (isAudio(item)) {
          tracks.push({ name: item.name, path: item.path, url: item.url });
          continue;
        }
        if (item.isDirectory && (item.listingURL || item.baseURL)) {
          try {
            const entries = await listDirectory(item);
            for (const entry of entries) if (isAudio(entry)) tracks.push({ name: entry.name, path: entry.path, url: entry.url });
          } catch (error) {
            console.error(error);
          }
        }
      }
      return tracks;
    }

    function mergeTracks(tracks, replaceExisting) {
      const next = replaceExisting ? [] : state.tracks.slice();
      const seen = new Set(next.map((track) => track.path));
      for (const track of tracks) {
        if (!track.path || seen.has(track.path)) continue;
        next.push(track);
        seen.add(track.path);
      }
      state.tracks = next;
      if (state.index >= state.tracks.length) state.index = 0;
    }

    function formatTime(value) {
      if (!Number.isFinite(value)) return "0:00";
      const minutes = Math.floor(value / 60);
      const seconds = Math.floor(value % 60);
      return `${minutes}:${String(seconds).padStart(2, "0")}`;
    }

    function renderQueue() {
      list.innerHTML = "";
      count.textContent = `${state.tracks.length} item${state.tracks.length === 1 ? "" : "s"} loaded`;
      state.tracks.forEach((track, index) => {
        const button = document.createElement("button");
        button.className = "track" + (index === state.index ? " active" : "");
        button.innerHTML = `<div class="name">${track.name}</div><div class="meta">${track.path}</div>`;
        button.addEventListener("click", () => {
          state.index = index;
          renderQueue();
          loadCurrent(true);
        });
        list.appendChild(button);
      });
    }

    function loadCurrent(autoplay = false) {
      const track = state.tracks[state.index];
      if (!track) {
        title.textContent = "AudioPlayer";
        subtitle.textContent = "Open local tracks or folders through Finder to build a queue.";
        pathLabel.textContent = "Suggested extensions: mp3, wav, aac, m4a, aif, aiff";
        audio.removeAttribute("src");
        return;
      }
      title.textContent = track.name;
      subtitle.textContent = "Queue-driven local playback with Finder-opened files.";
      pathLabel.textContent = track.path;
      audio.src = track.url;
      if (autoplay) audio.play().catch(() => {});
    }

    async function handleLaunchItems(items, replaceExisting = false) {
      const tracks = await gatherTracks(items);
      mergeTracks(tracks, replaceExisting);
      renderQueue();
      loadCurrent(replaceExisting || tracks.length > 0);
    }

    document.getElementById("play").addEventListener("click", () => {
      if (!audio.src) return;
      if (audio.paused) audio.play().catch(() => {});
      else audio.pause();
    });
    document.getElementById("prev").addEventListener("click", () => {
      if (!state.tracks.length) return;
      state.index = (state.index - 1 + state.tracks.length) % state.tracks.length;
      renderQueue();
      loadCurrent(true);
    });
    document.getElementById("next").addEventListener("click", () => {
      if (!state.tracks.length) return;
      state.index = (state.index + 1) % state.tracks.length;
      renderQueue();
      loadCurrent(true);
    });
    document.getElementById("volume").addEventListener("input", (event) => {
      audio.volume = Number(event.target.value);
    });
    scrubber.addEventListener("input", () => {
      if (!Number.isFinite(audio.duration) || audio.duration <= 0) return;
      audio.currentTime = Number(scrubber.value) * audio.duration;
    });

    audio.addEventListener("timeupdate", () => {
      if (Number.isFinite(audio.duration) && audio.duration > 0) {
        scrubber.value = String(audio.currentTime / audio.duration);
        timeTotal.textContent = formatTime(audio.duration);
      }
      timeNow.textContent = formatTime(audio.currentTime);
    });
    audio.addEventListener("play", () => { playButton.textContent = "Pause"; visualizer.style.opacity = "1"; });
    audio.addEventListener("pause", () => { playButton.textContent = "Play"; visualizer.style.opacity = "0.72"; });
    audio.addEventListener("ended", () => {
      if (!state.tracks.length) return;
      state.index = (state.index + 1) % state.tracks.length;
      renderQueue();
      loadCurrent(true);
    });

    window.addEventListener("keydown", (event) => {
      if (event.target && /input|textarea|select/i.test(event.target.tagName)) return;
      if (event.key === " ") {
        event.preventDefault();
        playButton.click();
      }
    });

    window.addEventListener("htmltoapp-open", (event) => {
      const detail = event.detail || {};
      handleLaunchItems(detail.items || [], !!detail.replaceExisting);
    });

    window.addEventListener("dragenter", (event) => {
      if (!dragHasFiles(event)) return;
      event.preventDefault();
      dropDepth += 1;
      showDropOverlay();
    });

    window.addEventListener("dragover", (event) => {
      if (!dragHasFiles(event)) return;
      event.preventDefault();
      event.dataTransfer.dropEffect = "copy";
      showDropOverlay();
    });

    window.addEventListener("dragleave", (event) => {
      if (!dragHasFiles(event)) return;
      dropDepth = Math.max(0, dropDepth - 1);
      if (dropDepth === 0) hideDropOverlay();
    });

    window.addEventListener("drop", async (event) => {
      if (!dragHasFiles(event)) return;
      event.preventDefault();
      hideDropOverlay();
      const files = await collectDroppedFiles(event.dataTransfer);
      if (files.length) handleLaunchItems(files, true);
    });

    handleLaunchItems((window.HTMLtoApp && window.HTMLtoApp.launchItems) || [], true);
  </script>
  <script>
    (function () {
      function showHTMLtoAppBrowserNotice() {
        if (window.HTMLtoApp || document.getElementById("htmltoapp-browser-notice")) return;
        const notice = document.createElement("aside");
        notice.id = "htmltoapp-browser-notice";
        notice.setAttribute("role", "note");
        notice.style.cssText = "position:fixed;left:16px;right:16px;bottom:16px;z-index:2147483647;padding:14px 16px;border-radius:10px;background:#111827;color:#fff;box-shadow:0 12px 32px rgba(0,0,0,.28);font:14px/1.45 -apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif";
        notice.innerHTML = '<strong style="display:block;margin-bottom:2px;">HTML to App example</strong><span>These examples are made to work in HTML to App only. Visit <a href="https://htmltoapp.app" style="color:#93c5fd;font-weight:700;">https://htmltoapp.app</a> for more information.</span>';
        document.body.appendChild(notice);
      }
      if (document.readyState === "loading") document.addEventListener("DOMContentLoaded", showHTMLtoAppBrowserNotice);
      else showHTMLtoAppBrowserNotice();
    }());
  </script>
</body>
</html>