138 lines
4.8 KiB
JavaScript
138 lines
4.8 KiB
JavaScript
// read the CSS variable from :root (or any selector)
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const cssVar = getComputedStyle(document.documentElement).getPropertyValue('--dark-background').trim();
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const playerButton = document.querySelector('.player-button'),
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audio = document.querySelector('audio'),
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timeline = document.querySelector('.timeline'),
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timeInfo = document.getElementById('timeInfo'),
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playIcon = `
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<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 20 20" fill="${cssVar}">
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<path fill-rule="evenodd" d="M10 18a8 8 0 100-16 8 8 0 000 16zM9.555 7.168A1 1 0 008 8v4a1 1 0 001.555.832l3-2a1 1 0 000-1.664l-3-2z" clip-rule="evenodd" />
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</svg>
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`,
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pauseIcon = `
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<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 20 20" fill="${cssVar}">
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<path fill-rule="evenodd" d="M18 10a8 8 0 11-16 0 8 8 0 0116 0zM7 8a1 1 0 012 0v4a1 1 0 11-2 0V8zm5-1a1 1 0 00-1 1v4a1 1 0 102 0V8a1 1 0 00-1-1z" clip-rule="evenodd" />
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</svg>
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`,
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soundIcon = `
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<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 20 20" fill="${cssVar}">
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<path fill-rule="evenodd" d="M9.383 3.076A1 1 0 0110 4v12a1 1 0 01-1.707.707L4.586 13H2a1 1 0 01-1-1V8a1 1 0 011-1h2.586l3.707-3.707a1 1 0 011.09-.217zM14.657 2.929a1 1 0 011.414 0A9.972 9.972 0 0119 10a9.972 9.972 0 01-2.929 7.071 1 1 0 01-1.414-1.414A7.971 7.971 0 0017 10c0-2.21-.894-4.208-2.343-5.657a1 1 0 010-1.414zm-2.829 2.828a1 1 0 011.415 0A5.983 5.983 0 0115 10a5.984 5.984 0 01-1.757 4.243 1 1 0 01-1.415-1.415A3.984 3.984 0 0013 10a3.983 3.983 0 00-1.172-2.828 1 1 0 010-1.415z" clip-rule="evenodd" />
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</svg>
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`
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function toggleAudio () {
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if (audio.paused) {
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audio.play();
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playerButton.innerHTML = pauseIcon;
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} else {
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audio.pause();
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playerButton.innerHTML = playIcon;
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}
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}
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playerButton.addEventListener('click', toggleAudio);
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let isSeeking = false;
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// --- Slider (Timeline) events ---
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// Mouse events
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timeline.addEventListener('mousedown', () => { isSeeking = true; });
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timeline.addEventListener('mouseup', () => { isSeeking = false;
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changeSeek(); // Update the audio currentTime based on the slider position
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});
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// Touch events
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timeline.addEventListener('touchstart', () => { isSeeking = true; });
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timeline.addEventListener('touchend', () => { isSeeking = false;
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changeSeek();
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});
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timeline.addEventListener('touchcancel', () => { isSeeking = false; });
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// --- When metadata is loaded, set slider range in seconds ---
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audio.addEventListener('loadedmetadata', () => {
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timeline.min = 0;
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timeline.max = audio.duration;
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});
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// --- Seek function: directly set audio.currentTime using slider's value (in seconds) ---
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function changeSeek() {
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audio.currentTime = timeline.value;
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}
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// --- Utility: Format seconds as mm:ss ---
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function formatTime(seconds) {
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const minutes = Math.floor(seconds / 60);
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const secs = Math.floor(seconds % 60);
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return `${minutes < 10 ? '0' : ''}${minutes}:${secs < 10 ? '0' : ''}${secs}`;
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}
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// --- Update timeline, time info, and media session on each time update ---
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audio.ontimeupdate = function() {
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// --- Update the slider thumb position (in seconds) while playing ---
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if (!isSeeking) {
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timeline.value = audio.currentTime;
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const percentagePosition = (audio.currentTime / audio.duration) * 100;
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timeline.style.backgroundSize = `${percentagePosition}% 100%`;
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}
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// --- Update the time display ---
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const currentTimeFormatted = formatTime(audio.currentTime);
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const durationFormatted = isNaN(audio.duration) ? "00:00" : formatTime(audio.duration);
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timeInfo.innerHTML = `${currentTimeFormatted} / ${durationFormatted}`;
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if ('mediaSession' in navigator &&
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'setPositionState' in navigator.mediaSession &&
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!isNaN(audio.duration)) {
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navigator.mediaSession.setPositionState({
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duration: audio.duration,
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playbackRate: audio.playbackRate,
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position: audio.currentTime
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});
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}
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};
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// --- When audio ends ---
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audio.onended = function() {
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playerButton.innerHTML = playIcon;
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};
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async function downloadAudio() {
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const src = audio.currentSrc || audio.src;
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if (!src) return;
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// Build a fresh URL every time
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const requestUrl = new URL(src, window.location.href);
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requestUrl.searchParams.set('_', Date.now());
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// Force network fetch and include same‑origin credentials
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const response = await fetch(requestUrl.toString(), {
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credentials: 'same-origin',
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cache: 'no-store'
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});
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if (!response.ok) {
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throw new Error(`Download failed: ${response.status}`);
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}
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// Turn the response into a blob, then download it
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const blob = await response.blob();
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const blobUrl = URL.createObjectURL(blob);
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const a = document.createElement('a');
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a.href = blobUrl;
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// Retain original filename if possible
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a.download = decodeURIComponent(src.split('/').pop() || 'audio');
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document.body.appendChild(a);
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a.click();
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document.body.removeChild(a);
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// Cleanup
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URL.revokeObjectURL(blobUrl);
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}
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