Fix issues navigating scene queue (#4325)

* Fix issues navigating between queue scenes
* Fix queue next/previous button display
* Autplay when clicking scene in queue
* Sticky queue controls

ui/v2.5/src/components/Scenes/SceneDetails/QueueViewer.tsx

@@ -32,7 +32,7 @@ export interface IPlaylistViewer {
 export const QueueViewer: React.FC<IPlaylistViewer> = ({
   scenes,
   currentID,
-  start,
+  start = 0,
   continue: continuePlaylist = false,
   hasMoreScenes,
   setContinue,
@@ -47,7 +47,7 @@ export const QueueViewer: React.FC<IPlaylistViewer> = ({
   const [lessLoading, setLessLoading] = useState(false);
   const [moreLoading, setMoreLoading] = useState(false);
 
-  const currentIndex = scenes?.findIndex((s) => s.id === currentID);
+  const currentIndex = scenes?.findIndex((s) => s.id === currentID) ?? 0;
 
   useEffect(() => {
     setLessLoading(false);
@@ -119,7 +119,7 @@ export const QueueViewer: React.FC<IPlaylistViewer> = ({
           />
         </div>
         <div>
-          {(currentIndex ?? 0) > 0 ? (
+          {currentIndex > 0 || start > 1 ? (
             <Button
               className="minimal"
               variant="secondary"
@@ -130,7 +130,7 @@ export const QueueViewer: React.FC<IPlaylistViewer> = ({
           ) : (
             ""
           )}
-          {(currentIndex ?? 0) < (scenes ?? []).length - 1 ? (
+          {currentIndex < (scenes ?? []).length - 1 || hasMoreScenes ? (
             <Button
               className="minimal"
               variant="secondary"
@@ -151,7 +151,7 @@ export const QueueViewer: React.FC<IPlaylistViewer> = ({
         </div>
       </div>
       <div id="queue-content">
-        {(start ?? 0) > 1 ? (
+        {start > 1 ? (
           <div className="d-flex justify-content-center">
             <Button onClick={() => lessClicked()} disabled={lessLoading}>
               {!lessLoading ? (

ui/v2.5/src/components/Scenes/SceneDetails/Scene.tsx

@@ -84,7 +84,7 @@ interface IProps {
   onDelete: () => void;
   continuePlaylist: boolean;
   loadScene: (sceneID: string) => void;
-  queueHasMoreScenes: () => boolean;
+  queueHasMoreScenes: boolean;
   onQueueMoreScenes: () => void;
   onQueueLessScenes: () => void;
   queueStart: number;
@@ -450,7 +450,7 @@ const ScenePage: React.FC<IProps> = ({
             onPrevious={onQueuePrevious}
             onRandom={onQueueRandom}
             start={queueStart}
-            hasMoreScenes={queueHasMoreScenes()}
+            hasMoreScenes={queueHasMoreScenes}
             onLessScenes={onQueueLessScenes}
             onMoreScenes={onQueueMoreScenes}
           />
@@ -594,9 +594,10 @@ const SceneLoader: React.FC<RouteComponentProps<ISceneParams>> = ({
   const [queueStart, setQueueStart] = useState(1);
 
   const autoplay = queryParams.get("autoplay") === "true";
-  const currentQueueIndex = queueScenes
-    ? queueScenes.findIndex((s) => s.id === id)
-    : -1;
+  const currentQueueIndex = useMemo(
+    () => (queueScenes ? queueScenes.findIndex((s) => s.id === id) : -1),
+    [queueScenes, id]
+  );
 
   function getSetTimestamp(fn: (value: number) => void) {
     _setTimestamp.current = fn;
@@ -656,14 +657,16 @@ const SceneLoader: React.FC<RouteComponentProps<ISceneParams>> = ({
     const newScenes = (scenes as QueuedScene[]).concat(queueScenes);
     setQueueScenes(newScenes);
     setQueueStart(newStart);
+
+    return scenes;
   }
 
-  function queueHasMoreScenes() {
+  const queueHasMoreScenes = useMemo(() => {
     return queueStart + queueScenes.length - 1 < queueTotal;
-  }
+  }, [queueStart, queueScenes, queueTotal]);
 
   async function onQueueMoreScenes() {
-    if (!sceneQueue.query || !queueHasMoreScenes()) {
+    if (!sceneQueue.query || !queueHasMoreScenes) {
       return;
     }
 
@@ -677,6 +680,7 @@ const SceneLoader: React.FC<RouteComponentProps<ISceneParams>> = ({
     const newScenes = queueScenes.concat(scenes as QueuedScene[]);
     setQueueScenes(newScenes);
     // don't change queue start
+    return scenes;
   }
 
   function loadScene(sceneID: string, autoPlay?: boolean, newPage?: number) {
@@ -701,19 +705,42 @@ const SceneLoader: React.FC<RouteComponentProps<ISceneParams>> = ({
     }
   }
 
-  function onQueueNext() {
+  async function onQueueNext() {
     if (!queueScenes) return;
 
     if (currentQueueIndex >= 0 && currentQueueIndex < queueScenes.length - 1) {
-      loadScene(queueScenes[currentQueueIndex + 1].id);
+      loadScene(queueScenes[currentQueueIndex + 1].id, true);
+    } else {
+      // if we're at the end of the queue, load more scenes
+      if (
+        currentQueueIndex >= 0 &&
+        currentQueueIndex === queueScenes.length - 1 &&
+        queueHasMoreScenes
+      ) {
+        const loadedScenes = await onQueueMoreScenes();
+        if (loadedScenes && loadedScenes.length > 0) {
+          // set the page to the next page
+          const newPage = (sceneQueue.query?.currentPage ?? 0) + 1;
+          loadScene(loadedScenes[0].id, true, newPage);
+        }
+      }
     }
   }
 
-  function onQueuePrevious() {
+  async function onQueuePrevious() {
     if (!queueScenes) return;
 
     if (currentQueueIndex > 0) {
-      loadScene(queueScenes[currentQueueIndex - 1].id);
+      loadScene(queueScenes[currentQueueIndex - 1].id, true);
+    } else {
+      // if we're at the beginning of the queue, load the previous page
+      if (currentQueueIndex === 0 && queueStart > 1) {
+        const loadedScenes = await onQueueLessScenes();
+        if (loadedScenes && loadedScenes.length > 0) {
+          const newPage = (sceneQueue.query?.currentPage ?? 0) - 1;
+          loadScene(loadedScenes[loadedScenes.length - 1].id, true, newPage);
+        }
+      }
     }
   }
 
@@ -746,29 +773,24 @@ const SceneLoader: React.FC<RouteComponentProps<ISceneParams>> = ({
 
     // load the next scene if we're continuing
     if (continuePlaylist) {
-      if (
-        currentQueueIndex >= 0 &&
-        currentQueueIndex < queueScenes.length - 1
-      ) {
-        loadScene(queueScenes[currentQueueIndex + 1].id, true);
-      }
+      onQueueNext();
     }
   }
 
-  function onNext() {
-    if (!queueScenes) return;
+  function getScenePage(sceneID: string) {
+    if (!sceneQueue.query) return;
 
-    if (currentQueueIndex >= 0 && currentQueueIndex < queueScenes.length - 1) {
-      loadScene(queueScenes[currentQueueIndex + 1].id, true);
-    }
+    // find the page that the scene is on
+    const index = queueScenes.findIndex((s) => s.id === sceneID);
+
+    if (index === -1) return;
+
+    const perPage = sceneQueue.query.itemsPerPage;
+    return Math.floor((index + queueStart - 1) / perPage) + 1;
   }
 
-  function onPrevious() {
-    if (!queueScenes) return;
-
-    if (currentQueueIndex > 0) {
-      loadScene(queueScenes[currentQueueIndex - 1].id, true);
-    }
+  function onSceneClicked(sceneID: string) {
+    loadScene(sceneID, true, getScenePage(sceneID));
   }
 
   if (!scene) {
@@ -789,7 +811,7 @@ const SceneLoader: React.FC<RouteComponentProps<ISceneParams>> = ({
         onQueuePrevious={onQueuePrevious}
         onQueueRandom={onQueueRandom}
         continuePlaylist={continuePlaylist}
-        loadScene={loadScene}
+        loadScene={onSceneClicked}
         queueHasMoreScenes={queueHasMoreScenes}
         onQueueLessScenes={onQueueLessScenes}
         onQueueMoreScenes={onQueueMoreScenes}
@@ -807,8 +829,8 @@ const SceneLoader: React.FC<RouteComponentProps<ISceneParams>> = ({
           initialTimestamp={initialTimestamp}
           sendSetTimestamp={getSetTimestamp}
           onComplete={onComplete}
-          onNext={onNext}
-          onPrevious={onPrevious}
+          onNext={onQueueNext}
+          onPrevious={onQueuePrevious}
         />
       </div>
     </div>

ui/v2.5/src/components/Scenes/styles.scss

@@ -543,9 +543,13 @@ input[type="range"].blue-slider {
 #queue-viewer {
   .queue-controls {
     align-items: center;
+    background-color: $body-bg;
     display: flex;
     flex: 0 1 auto;
+    height: 30px;
     justify-content: space-between;
+    position: sticky;
+    top: 0;
   }
 
   .thumbnail-container {