ranger
2bd501d610
Quietly log every track that scrolls past the player to a per-user
history (capped 500). A star button promotes the good ones to a
separate Favourites tab that doesn't age out. Each row has four
search-provider deep links so you can find the track on whichever
service you use.
Storage
Two new user_meta keys (separate from radio_state so frequent
inserts don't churn the player-state blob):
- radio_history — capped FIFO of last 500 played tracks
- radio_favourites — uncapped user-starred list
New page: Radio → History
- History tab: capped FIFO list, newest first.
- Favourites tab: starred tracks (uncapped).
- Each row: when (relative + full timestamp on hover) / station /
artist — title / four search links / favourite-star toggle.
- Filter by artist/title (live, client-side) + by station (dropdown).
- Clear history button (favourites preserved).
- Search providers: Spotify, YouTube, Apple Music, Bandcamp.
Deep-link URLs only — no API keys, no third-party JS.
Auto-logging during playback
fetchTrack (existing 30s SomaFM poll loop) now hands new tracks to
logTrackIfNew → POST to wp_ajax_radio_log_track. Dedup client-side
(lastLoggedSig) AND server-side (against last entry in user_meta).
Junk filtered server-side: (unknown) artist, missing artist/title.
New AJAX endpoints
- radio_log_track (nonce radio_save_state — player pages)
- radio_toggle_favourite (nonce radio_history — history page only)
- radio_clear_history (nonce radio_history — history page only)
Files
- radio.php (version, require new include, submenu page, asset
enqueue hook adds radio_page_radio-history, three AJAX endpoints,
three new localized strings)
- inc/history.php (NEW — storage helpers + admin page renderer)
- assets/css/radio.css (history table, toolbar, search-link pills,
favourite star, dark-theme overrides)
- assets/js/radio.js (logTrackIfNew wired into fetchTrack;
bindHistoryPage handles filter/favourite/clear)
- inc/about.php (history entry)
- CHANGELOG.md (full entry)
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
544 lines
24 KiB
JavaScript
544 lines
24 KiB
JavaScript
/**
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* Radio — vanilla JS audio controller.
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*
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* Binds to every `.radio-player` element on the page (dashboard widget
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* + main page can co-exist; both share one logical audio session per
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* surface). Persists station + volume changes via AJAX so they survive
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* page reloads.
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*
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* v0.3.0 additions:
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* - Mute toggle on the speaker icon (preserves prior volume).
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* - MediaSession API integration — OS media keys (F8 on Mac, headphone
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* buttons, lock-screen widget) control the player.
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* - SomaFM current-track polling (every 30s while playing). Best-effort:
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* silently hidden if the API is unavailable / CORS-blocked.
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* - Save errors surface to the user as a transient notice rather than
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* being swallowed silently.
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* - Settings-page volume slider live-label is wired here (no inline
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* `oninput` in settings.php).
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*
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* No build step. No dependencies.
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*/
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(function () {
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'use strict';
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if (typeof window.RadioPlugin === 'undefined') { return; }
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var cfg = window.RadioPlugin;
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var stations = Array.isArray(cfg.stations) ? cfg.stations : [];
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/** Look up a station by id. */
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function findStation(stationId) {
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for (var i = 0; i < stations.length; i++) {
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if (stations[i].id === stationId) { return stations[i]; }
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}
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return null;
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}
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/** Extract the SomaFM short-code from a stream URL.
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* e.g. https://ice1.somafm.com/groovesalad-128-mp3 → "groovesalad".
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* Used for the current-track JSON endpoint. */
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function getSomaCode(station) {
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if (!station || !station.url) { return null; }
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var m = station.url.match(/somafm\.com\/([^/]+?)-\d+-mp3/);
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return m ? m[1] : null;
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}
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/** Persist a state patch back to the server. On failure, surface a
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* transient notice on the originating player surface (if given) so
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* the user knows their preference didn't save. */
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function saveState(patch, surface) {
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if (!cfg.ajaxUrl || !cfg.nonce) { return; }
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var fd = new FormData();
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fd.append('action', 'radio_save_state');
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fd.append('nonce', cfg.nonce);
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Object.keys(patch).forEach(function (k) { fd.append(k, patch[k]); });
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fetch(cfg.ajaxUrl, {
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method: 'POST',
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credentials: 'same-origin',
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body: fd
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}).then(function (r) {
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if (!r.ok) { throw new Error('save failed: HTTP ' + r.status); }
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}).catch(function (err) {
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if (window.console && console.warn) { console.warn('Radio:', err); }
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if (surface) {
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showError(surface, cfg.strings.saveError || 'Preferences not saved.');
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setTimeout(function () { showError(surface, null); }, 3500);
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}
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});
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}
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/** Update play/pause button glyph + label to reflect current audio state.
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* v0.3.2: switched from .dashicons to a Unicode glyph so the symbol sits
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* on the text baseline instead of below it. */
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function setPlayIcon(btn, playing) {
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var glyph = btn.querySelector('[data-radio-play-glyph]');
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var label = btn.querySelector('[data-radio-play-label]');
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if (glyph) { glyph.textContent = playing ? '‖' : '▶'; } // ‖ or ▶
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if (label) { label.textContent = playing ? (cfg.strings.pause || 'Pause') : (cfg.strings.play || 'Play'); }
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btn.setAttribute('title', playing ? (cfg.strings.pause || 'Pause') : (cfg.strings.play || 'Play'));
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}
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/** Show an error message inside a given .radio-player surface. */
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function showError(player, msg) {
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var err = player.querySelector('[data-radio-error]');
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if (!err) { return; }
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if (msg) {
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err.textContent = msg;
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err.hidden = false;
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} else {
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err.textContent = '';
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err.hidden = true;
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}
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}
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/** Update the MediaSession metadata + handlers so OS media keys work. */
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function updateMediaSession(audio, station) {
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if (!('mediaSession' in navigator) || !station) { return; }
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try {
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if (typeof window.MediaMetadata === 'function') {
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navigator.mediaSession.metadata = new window.MediaMetadata({
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title: station.name,
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artist: 'SomaFM',
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album: station.genre || ''
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});
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}
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navigator.mediaSession.setActionHandler('play', function () { audio.play(); });
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navigator.mediaSession.setActionHandler('pause', function () { audio.pause(); });
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} catch (e) { /* ignore — older browsers / locked-down contexts */ }
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}
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/** SomaFM current-track polling. Best-effort: stays hidden if the API
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* is unreachable / CORS-blocked (the plugin keeps working regardless).
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* v0.5.0: hands new tracks to logTrackIfNew so they land in user history. */
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function startTrackPolling(player, station) {
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stopTrackPolling(player);
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var trackEl = player.querySelector('[data-radio-track]');
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if (!trackEl) { return; }
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var code = getSomaCode(station);
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if (!code) { trackEl.hidden = true; return; }
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var url = 'https://somafm.com/songs/' + code + '.json';
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function fetchTrack() {
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fetch(url, { credentials: 'omit', cache: 'no-store' })
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.then(function (r) { return r.ok ? r.json() : null; })
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.then(function (data) {
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if (!data || !data.songs || !data.songs.length) { trackEl.hidden = true; return; }
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var s = data.songs[0];
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var title = (s.title || '').trim();
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var artist = (s.artist || '').trim();
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if (!title && !artist) { trackEl.hidden = true; return; }
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trackEl.textContent = artist ? (title + ' — ' + artist) : title;
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trackEl.hidden = false;
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logTrackIfNew(artist, title, station);
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})
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.catch(function () { trackEl.hidden = true; });
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}
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fetchTrack();
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player._trackTimer = setInterval(fetchTrack, 30000);
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}
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/** v0.5.0: POST a newly-played track to the server history.
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* Deduped client-side via lastLoggedSig so consecutive polls of the
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* same song don't spam the endpoint (server dedups too as belt+braces). */
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var lastLoggedSig = '';
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function logTrackIfNew(artist, title, station) {
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if (!cfg.ajaxUrl || !cfg.nonce) { return; }
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if (!artist || !title) { return; }
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if (artist.toLowerCase() === '(unknown)') { return; }
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var sig = (artist + '|' + title + '|' + ((station && station.id) || '')).toLowerCase();
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if (sig === lastLoggedSig) { return; }
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lastLoggedSig = sig;
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var fd = new FormData();
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fd.append('action', 'radio_log_track');
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fd.append('nonce', cfg.nonce);
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fd.append('artist', artist);
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fd.append('title', title);
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fd.append('station', (station && station.name) || '');
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fd.append('station_id', (station && station.id) || '');
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fetch(cfg.ajaxUrl, { method: 'POST', credentials: 'same-origin', body: fd })
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.catch(function () { /* track log is best-effort */ });
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}
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function stopTrackPolling(player) {
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if (player._trackTimer) {
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clearInterval(player._trackTimer);
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player._trackTimer = null;
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}
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var trackEl = player.querySelector('[data-radio-track]');
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if (trackEl) { trackEl.hidden = true; trackEl.textContent = ''; }
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}
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/** Web Audio frequency visualizer — progressive upgrade over the CSS
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* dancing bars. Tries once per player surface; if CORS or browser
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* support blocks it, silently leaves the CSS bars in place.
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*
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* State machine on player._vizState:
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* undefined → not yet tried
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* 'no-webaudio' → browser lacks AudioContext
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* 'init-failed' → createMediaElementSource threw (e.g. already wired)
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* 'cors-blocked' → analyser returned all-zeros for >2s → CORS silently failed
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* 'ok' → live frequency data flowing → canvas visible, bars hidden
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*/
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function tryVisualizer(player, audio) {
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if (player._vizState) { return; }
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var AudioCtx = window.AudioContext || window.webkitAudioContext;
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if (!AudioCtx) { player._vizState = 'no-webaudio'; return; }
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var canvas = player.querySelector('[data-radio-viz]');
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if (!canvas) { player._vizState = 'no-canvas'; return; }
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var ctx, srcNode, analyser;
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try {
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ctx = new AudioCtx();
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srcNode = ctx.createMediaElementSource(audio);
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analyser = ctx.createAnalyser();
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analyser.fftSize = 64; // → 32 frequency bins, plenty for a 60px-wide canvas
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srcNode.connect(analyser);
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analyser.connect(ctx.destination); // KEEP audio audible
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} catch (e) {
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if (window.console && console.warn) { console.warn('Radio viz: init failed —', e.message || e); }
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player._vizState = 'init-failed';
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return;
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}
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if (ctx.state === 'suspended') { ctx.resume(); }
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// Match the canvas backing-store to its CSS size × DPR for crispness.
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var dpr = window.devicePixelRatio || 1;
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canvas.width = Math.max(1, canvas.offsetWidth * dpr);
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canvas.height = Math.max(1, canvas.offsetHeight * dpr);
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var c2d = canvas.getContext('2d');
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var data = new Uint8Array(analyser.frequencyBinCount);
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var bars = player.querySelector('.radio-player__bars');
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// Stash on the player so play/pause/error handlers can drive it.
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player._viz = {
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ctx: ctx,
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analyser: analyser,
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canvas: canvas,
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c2d: c2d,
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data: data,
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bars: bars,
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hasData: false,
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firstAt: 0,
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raf: null
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};
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player._vizState = 'ok'; // optimistic; flipped to 'cors-blocked' if data stays zero
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}
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function startVizLoop(player, audio) {
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if (player._vizState !== 'ok' || !player._viz) { return; }
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var v = player._viz;
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if (v.raf) { return; } // already running
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if (v.ctx.state === 'suspended') { v.ctx.resume(); }
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v.firstAt = Date.now();
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var color = (getComputedStyle(player).getPropertyValue('--wp-admin-theme-color') || '#2271b1').trim() || '#2271b1';
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function draw() {
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if (audio.paused) { v.raf = null; return; }
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v.analyser.getByteFrequencyData(v.data);
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// Detect whether we're getting real audio (non-zero data). Without
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// proper CORS the analyser returns all-zeros silently.
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if (!v.hasData) {
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for (var j = 0; j < v.data.length; j++) {
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if (v.data[j] > 0) { v.hasData = true; break; }
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}
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if (!v.hasData && Date.now() - v.firstAt > 2000) {
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// Two seconds of silence from the analyser = CORS blocked.
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// Fall back to the CSS bars and stop trying.
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player._vizState = 'cors-blocked';
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v.canvas.hidden = true;
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if (v.bars) { v.bars.hidden = false; }
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v.raf = null;
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return;
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}
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}
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if (v.hasData) {
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// First frame with data → swap from CSS bars to canvas.
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if (v.bars && !v.bars.hidden) {
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v.bars.hidden = true;
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v.canvas.hidden = false;
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}
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v.c2d.clearRect(0, 0, v.canvas.width, v.canvas.height);
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v.c2d.fillStyle = color;
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var bw = v.canvas.width / v.data.length;
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for (var i = 0; i < v.data.length; i++) {
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var h = (v.data[i] / 255) * v.canvas.height;
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v.c2d.fillRect(i * bw, v.canvas.height - h, Math.max(1, bw - 1), h);
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}
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}
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v.raf = requestAnimationFrame(draw);
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}
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v.raf = requestAnimationFrame(draw);
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}
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function stopVizLoop(player) {
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if (player._viz && player._viz.raf) {
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cancelAnimationFrame(player._viz.raf);
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player._viz.raf = null;
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}
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}
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/** Mute toggle. Remembers the volume at mute-time so unmute restores it. */
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function bindMute(player, audio, volumeIn, volPctEl) {
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var muteBtn = player.querySelector('[data-radio-mute]');
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if (!muteBtn) { return; }
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muteBtn.addEventListener('click', function () {
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var icon = muteBtn.querySelector('.dashicons');
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if (audio.muted || audio.volume === 0) {
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// Unmute → restore stored prior volume (default 0.6 if we never had one)
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var prev = parseFloat(muteBtn.dataset.prevVolume || '0.6');
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audio.muted = false;
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audio.volume = prev;
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if (volumeIn) { volumeIn.value = Math.round(prev * 100); }
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if (volPctEl) { volPctEl.textContent = Math.round(prev * 100) + '%'; }
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muteBtn.classList.remove('radio-player__mute--muted');
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muteBtn.setAttribute('aria-label', cfg.strings.mute || 'Mute');
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if (icon) { icon.className = 'dashicons dashicons-controls-volumeon'; }
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} else {
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// Mute → store current volume, drop to 0
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muteBtn.dataset.prevVolume = String(audio.volume);
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audio.muted = true;
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muteBtn.classList.add('radio-player__mute--muted');
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muteBtn.setAttribute('aria-label', cfg.strings.unmute || 'Unmute');
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if (icon) { icon.className = 'dashicons dashicons-controls-volumeoff'; }
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}
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});
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}
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/** Wire up one .radio-player surface (widget or main). */
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function bindPlayer(player) {
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var audio = player.querySelector('[data-radio-audio]');
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var playBtn = player.querySelector('[data-radio-play]');
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var stationSel = player.querySelector('[data-radio-station]');
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var volumeIn = player.querySelector('[data-radio-volume]');
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var nameEl = player.querySelector('[data-radio-name]');
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var descEl = player.querySelector('[data-radio-desc]');
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var volPctEl = player.querySelector('[data-radio-volume-pct]');
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if (!audio || !playBtn || !stationSel) { return; }
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var currentId = stationSel.value;
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var station = findStation(currentId);
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if (station) {
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audio.src = station.url;
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audio.volume = parseFloat(cfg.state && cfg.state.volume != null ? cfg.state.volume : 0.6);
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updateMediaSession(audio, station);
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}
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if (volumeIn) { volumeIn.value = Math.round(audio.volume * 100); }
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playBtn.addEventListener('click', function () {
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showError(player, null);
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if (audio.paused) {
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var p = audio.play();
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if (p && p.catch) {
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p.catch(function (err) {
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if (err && err.name === 'NotAllowedError') {
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showError(player, cfg.strings.error || 'Click play again to start.');
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} else {
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showError(player, cfg.strings.error || 'Stream error.');
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}
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});
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}
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} else {
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audio.pause();
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}
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});
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audio.addEventListener('play', function () {
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setPlayIcon(playBtn, true);
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player.classList.add('is-playing'); // CSS dancing-bars animation
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tryVisualizer(player, audio); // idempotent — only initialises once
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startVizLoop(player, audio); // no-op unless viz state is 'ok'
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startTrackPolling(player, findStation(stationSel.value));
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});
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audio.addEventListener('pause', function () {
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setPlayIcon(playBtn, false);
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player.classList.remove('is-playing');
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stopVizLoop(player);
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stopTrackPolling(player);
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});
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audio.addEventListener('error', function () {
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showError(player, cfg.strings.error || 'Stream error.');
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setPlayIcon(playBtn, false);
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player.classList.remove('is-playing');
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stopVizLoop(player);
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stopTrackPolling(player);
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});
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audio.addEventListener('canplay', function () { showError(player, null); });
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stationSel.addEventListener('change', function () {
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var newId = stationSel.value;
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var s = findStation(newId);
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if (!s) { return; }
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var wasPlaying = !audio.paused;
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audio.pause();
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audio.src = s.url;
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audio.load();
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if (nameEl) { nameEl.textContent = s.name; }
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if (descEl) { descEl.textContent = s.description || ''; }
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var genreEl = player.querySelector('[data-radio-genre]');
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if (genreEl) { genreEl.textContent = s.genre || ''; }
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stopTrackPolling(player); // clear last station's track
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updateMediaSession(audio, s);
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mirrorSelection(player, newId);
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saveState({ station_id: newId }, player);
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if (wasPlaying) {
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audio.play().catch(function () { showError(player, cfg.strings.error || 'Stream error.'); });
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}
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});
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if (volumeIn) {
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volumeIn.addEventListener('input', function () {
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var pct = parseInt(volumeIn.value, 10) || 0;
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var vol = Math.max(0, Math.min(100, pct)) / 100;
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audio.muted = false;
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audio.volume = vol;
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if (volPctEl) { volPctEl.textContent = pct + '%'; }
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// Manual volume change exits mute state visibly.
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var muteBtn = player.querySelector('[data-radio-mute]');
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if (muteBtn) {
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muteBtn.classList.remove('radio-player__mute--muted');
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var icon = muteBtn.querySelector('.dashicons');
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if (icon) { icon.className = 'dashicons dashicons-controls-volumeon'; }
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}
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||
mirrorVolume(player, pct);
|
||
clearTimeout(volumeIn._saveTimer);
|
||
volumeIn._saveTimer = setTimeout(function () {
|
||
saveState({ volume: vol }, player);
|
||
}, 400);
|
||
});
|
||
}
|
||
|
||
bindMute(player, audio, volumeIn, volPctEl);
|
||
}
|
||
|
||
/** Keep all .radio-player surfaces on the same station. */
|
||
function mirrorSelection(originPlayer, stationId) {
|
||
document.querySelectorAll('.radio-player').forEach(function (other) {
|
||
if (other === originPlayer) { return; }
|
||
var sel = other.querySelector('[data-radio-station]');
|
||
if (sel && sel.value !== stationId) {
|
||
sel.value = stationId;
|
||
var s = findStation(stationId);
|
||
if (s) {
|
||
var nm = other.querySelector('[data-radio-name]');
|
||
var dc = other.querySelector('[data-radio-desc]');
|
||
var gn = other.querySelector('[data-radio-genre]');
|
||
if (nm) { nm.textContent = s.name; }
|
||
if (dc) { dc.textContent = s.description || ''; }
|
||
if (gn) { gn.textContent = s.genre || ''; }
|
||
}
|
||
}
|
||
});
|
||
}
|
||
|
||
/** Keep volume sliders in sync across surfaces. */
|
||
function mirrorVolume(originPlayer, pct) {
|
||
document.querySelectorAll('.radio-player').forEach(function (other) {
|
||
if (other === originPlayer) { return; }
|
||
var vol = other.querySelector('[data-radio-volume]');
|
||
if (vol && parseInt(vol.value, 10) !== pct) {
|
||
vol.value = pct;
|
||
var label = other.querySelector('[data-radio-volume-pct]');
|
||
if (label) { label.textContent = pct + '%'; }
|
||
var au = other.querySelector('[data-radio-audio]');
|
||
if (au) { au.volume = pct / 100; au.muted = false; }
|
||
}
|
||
});
|
||
}
|
||
|
||
/** Wire the Settings page volume slider's live percentage label.
|
||
* Replaces the inline `oninput` attribute removed in v0.3.0. */
|
||
function bindSettingsSlider() {
|
||
var slider = document.getElementById('default_volume');
|
||
var label = document.getElementById('default_volume_label');
|
||
if (!slider || !label) { return; }
|
||
slider.addEventListener('input', function () {
|
||
label.textContent = slider.value + '%';
|
||
});
|
||
}
|
||
|
||
/** v0.5.0: wire the History admin page — filter, favourite-toggle,
|
||
* clear-history. No-op on pages without these elements. */
|
||
function bindHistoryPage() {
|
||
var searchIn = document.getElementById('radio-history-search');
|
||
var stationSel = document.getElementById('radio-history-station');
|
||
var rows = document.querySelectorAll('.radio-history-row');
|
||
var clearBtn = document.getElementById('radio-history-clear');
|
||
|
||
function applyFilter() {
|
||
if (!rows.length) { return; }
|
||
var q = (searchIn ? searchIn.value : '').toLowerCase().trim();
|
||
var s = stationSel ? stationSel.value : '';
|
||
rows.forEach(function (row) {
|
||
var matchQ = !q || (row.dataset.search || '').indexOf(q) !== -1;
|
||
var matchS = !s || row.dataset.stationId === s;
|
||
row.classList.toggle('is-filtered', !(matchQ && matchS));
|
||
});
|
||
}
|
||
if (searchIn) { searchIn.addEventListener('input', applyFilter); }
|
||
if (stationSel) { stationSel.addEventListener('change', applyFilter); }
|
||
|
||
// Favourite-toggle buttons (per row)
|
||
document.querySelectorAll('.radio-fav-btn').forEach(function (btn) {
|
||
btn.addEventListener('click', function () {
|
||
var fd = new FormData();
|
||
fd.append('action', 'radio_toggle_favourite');
|
||
fd.append('nonce', btn.dataset.nonce || '');
|
||
fd.append('artist', btn.dataset.artist || '');
|
||
fd.append('title', btn.dataset.title || '');
|
||
fd.append('station', btn.dataset.station || '');
|
||
fd.append('station_id', btn.dataset.stationId || '');
|
||
btn.disabled = true;
|
||
fetch(cfg.ajaxUrl, { method: 'POST', credentials: 'same-origin', body: fd })
|
||
.then(function (r) { return r.json(); })
|
||
.then(function (res) {
|
||
btn.disabled = false;
|
||
if (!res || !res.success) { return; }
|
||
var isFav = !!(res.data && res.data.favourite);
|
||
btn.classList.toggle('is-fav', isFav);
|
||
btn.textContent = isFav ? '★' : '☆';
|
||
btn.setAttribute('aria-label', isFav
|
||
? (cfg.strings.removeFav || 'Remove from favourites')
|
||
: (cfg.strings.addFav || 'Add to favourites'));
|
||
})
|
||
.catch(function () { btn.disabled = false; });
|
||
});
|
||
});
|
||
|
||
// Clear-history button (history tab only)
|
||
if (clearBtn) {
|
||
clearBtn.addEventListener('click', function () {
|
||
var msg = cfg.strings.clearConfirm || 'Clear all track history? (Favourites are kept.)';
|
||
if (!window.confirm(msg)) { return; }
|
||
var fd = new FormData();
|
||
fd.append('action', 'radio_clear_history');
|
||
fd.append('nonce', clearBtn.dataset.nonce || '');
|
||
clearBtn.disabled = true;
|
||
fetch(cfg.ajaxUrl, { method: 'POST', credentials: 'same-origin', body: fd })
|
||
.then(function (r) { return r.json(); })
|
||
.then(function (res) {
|
||
if (res && res.success) { window.location.reload(); }
|
||
else { clearBtn.disabled = false; }
|
||
})
|
||
.catch(function () { clearBtn.disabled = false; });
|
||
});
|
||
}
|
||
}
|
||
|
||
function init() {
|
||
var players = document.querySelectorAll('.radio-player');
|
||
for (var i = 0; i < players.length; i++) { bindPlayer(players[i]); }
|
||
bindSettingsSlider();
|
||
bindHistoryPage();
|
||
}
|
||
|
||
if (document.readyState === 'loading') {
|
||
document.addEventListener('DOMContentLoaded', init);
|
||
} else {
|
||
init();
|
||
}
|
||
})();
|