Save worktree changes

2026-07-25 02:29:19 +01:00
parent 8d3b7d557b
commit db9d718cd8
170 changed files with 11719 additions and 3414 deletions
@@ -0,0 +1,190 @@
+// Render the slide at the requested index within the active set.
+function renderSlideAtIndex(sourceSlides, targetIndex) {
+  const availableSlides = Array.isArray(sourceSlides) ? sourceSlides : [];
+  if (!availableSlides.length) {
+    renderEmpty(slides.length ? 'No slides are scheduled for this time.' : 'No slides assigned to this screen yet.');
+    lastRenderedViewKey = getCurrentRenderKey(availableSlides);
+    return false;
+  }
+
+  let normalizedIndex = Number(targetIndex || 0);
+  if (!Number.isFinite(normalizedIndex) || normalizedIndex < 0 || normalizedIndex >= availableSlides.length) {
+  }
+
+  const slide = availableSlides[normalizedIndex];
+  if (!slide) {
+    renderEmpty(slides.length ? 'No slides are scheduled for this time.' : 'No slides assigned to this screen yet.');
+    return false;
+  }
+
+  index = normalizedIndex;
+  var markup = buildSlideMarkup(slide);
+  renderSlideMarkup(markup, currentPlaylistFadeBetweenSlides);
+  sendCommandState(slide);
+  if (!isPaused) {
+    scheduleSlideAdvance(Math.max(1, Number(slide.duration_seconds || 10)) * 1000);
+  }
+  lastRenderedViewKey = getCurrentRenderKey(availableSlides);
+  return true;
+}
+
+// Promote a deferred playlist update at the next safe point.
+function applyPendingPlaylistUpdate() {
+  if (!pendingPlaylistUpdate) {
+    return false;
+  }
+  slides = pendingPlaylistUpdate.slides;
+  currentPlaylistSignature = pendingPlaylistUpdate.signature;
+  currentPlaylistFadeBetweenSlides = pendingPlaylistUpdate.fadeBetweenSlides;
+  pendingPlaylistUpdate = null;
+  clearActiveSlidesCache();
+  slideMarkupCache = Object.create(null);
+  templateLayoutCache = Object.create(null);
+  templateRenderPlanCache = Object.create(null);
+  renderCacheViewportKey = window.innerWidth + 'x' + window.innerHeight;
+  index = 0;
+  logDebug('Applied updated playlist on slide transition.');
+  return true;
+}
+
+// Render the current active slide or the empty state.
+function showCurrent() {
+  clearSlideTimer();
+  applyPendingPlaylistUpdate();
+  const activeSlides = getCurrentActiveSlides();
+  syncWebpagePreloads(activeSlides, index);
+  if (typeof syncRtmpPreloads === 'function') {
+    syncRtmpPreloads(activeSlides, index);
+  }
+  if (!activeSlides.length) {
+    renderEmpty(slides.length ? 'No slides are scheduled for this time.' : 'No slides assigned to this screen yet.');
+    lastRenderedViewKey = getCurrentRenderKey(activeSlides);
+    return;
+  }
+  renderSlideAtIndex(activeSlides, index);
+  lastRenderedViewKey = getCurrentRenderKey(activeSlides);
+}
+
+// Fetch the latest playlist and queue any updates.
+function refresh() {
+  var request = new XMLHttpRequest();
+  var url = window.location.origin + '/api/screens/' + encodeURIComponent(slug) + '/playlist?ts=' + Date.now();
+  request.open('GET', url, true);
+  request.timeout = 2500;
+  if (window.__pulsePageAuthToken) {
+    request.setRequestHeader('x-pulse-page-auth', window.__pulsePageAuthToken);
+  }
+  if (currentPlaylistEtag) {
+    request.setRequestHeader('If-None-Match', currentPlaylistEtag);
+  }
+  request.onreadystatechange = function () {
+    if (request.readyState !== 4) {
+      return;
+    }
+    if (request.status === 304) {
+      markRefreshHealthy();
+      setOfflineBannerVisible(false);
+      if (lastRenderedSlide && getCurrentActiveSlides().length < 2) {
+        scheduleSlideAdvance(Math.max(1, Number(lastRenderedSlide.duration_seconds || 10)) * 1000);
+      }
+      return;
+    }
+    if (request.status < 200 || request.status >= 300) {
+      setOfflineBannerVisible(true);
+      scheduleRefreshRetry();
+      logDebug(
+        'Screen not found or playlist unavailable.',
+        ['URL: ' + url, 'Status: ' + request.status + ' ' + request.statusText, 'Response: ' + String(request.responseText || '').slice(0, 1000)].join(' | '),
+        'error'
+      );
+      return;
+    }
+    try {
+      const responseEtag = String(request.getResponseHeader('ETag') || '').trim();
+      const data = JSON.parse(request.responseText || '{}');
+      const nextSignature = getPlaylistRevision(data);
+      const nextSlides = Array.isArray(data.slides) ? data.slides.map(normalizeSlide) : [];
+      const nextFadeBetweenSlides = Boolean(data && data.playlist && data.playlist.fade_between_slides);
+      savePlaylistSnapshot({
+        slides: nextSlides,
+        signature: nextSignature,
+        fadeBetweenSlides: nextFadeBetweenSlides,
+        etag: responseEtag
+      });
+      markRefreshHealthy();
+      setOfflineBannerVisible(false);
+      const currentActiveSlides = getCurrentActiveSlides();
+      if (responseEtag) {
+        currentPlaylistEtag = responseEtag;
+      }
+      if (!currentPlaylistSignature) {
+        slides = nextSlides;
+        currentPlaylistSignature = nextSignature;
+        currentPlaylistFadeBetweenSlides = nextFadeBetweenSlides;
+        index = 0;
+        showCurrent();
+        sendCommandState(lastRenderedSlide);
+        return;
+      }
+      if (nextSignature === currentPlaylistSignature || (pendingPlaylistUpdate && nextSignature === pendingPlaylistUpdate.signature)) {
+        if (currentActiveSlides.length < 2 && lastRenderedSlide) {
+          scheduleSlideAdvance(Math.max(1, Number(lastRenderedSlide.duration_seconds || 10)) * 1000);
+        }
+        return;
+      }
+      syncWebpagePreloads(getActiveSlidesFrom(nextSlides), index);
+      if (typeof syncRtmpPreloads === 'function') {
+        syncRtmpPreloads(getActiveSlidesFrom(nextSlides), index);
+      }
+      if (currentActiveSlides.length < 2) {
+        slides = nextSlides;
+        currentPlaylistSignature = nextSignature;
+        currentPlaylistFadeBetweenSlides = nextFadeBetweenSlides;
+        pendingPlaylistUpdate = null;
+        index = 0;
+        showCurrent();
+        sendCommandState(lastRenderedSlide);
+        return;
+      }
+      pendingPlaylistUpdate = {
+        slides: nextSlides,
+        signature: nextSignature,
+        fadeBetweenSlides: nextFadeBetweenSlides
+      };
+      logDebug('Playlist update detected; applying on next slide transition.');
+    } catch (_error) {
+      logDebug(
+        'Unable to load screen playlist.',
+        ['URL: ' + url, 'Response: ' + String(request.responseText || '').slice(0, 1000)].join(' | '),
+        'error'
+      );
+      setOfflineBannerVisible(true);
+      scheduleRefreshRetry();
+    }
+  };
+  request.onerror = function () {
+    logDebug(
+      'Unable to load screen playlist.',
+      ['URL: ' + url, 'Network error during request.'].join(' | '),
+      'error'
+    );
+      setOfflineBannerVisible(true);
+      scheduleRefreshRetry();
+    if (lastRenderedSlide && getCurrentActiveSlides().length < 2) {
+      scheduleSlideAdvance(Math.max(1, Number(lastRenderedSlide.duration_seconds || 10)) * 1000);
+    }
+  };
+  request.ontimeout = function () {
+    logDebug(
+      'Playlist refresh timed out.',
+      ['URL: ' + url, 'Timeout after ' + request.timeout + 'ms'].join(' | '),
+      'error'
+    );
+    setOfflineBannerVisible(true);
+    scheduleRefreshRetry();
+    if (lastRenderedSlide && getCurrentActiveSlides().length < 2) {
+      scheduleSlideAdvance(Math.max(1, Number(lastRenderedSlide.duration_seconds || 10)) * 1000);
+    }
+  };
+  request.send();
+}