Fix safari preview speed and other cleanup (#9976)

* Cleanups and fix safari preview speed on iOS

* Clarifying comment

* Update paging when loading page with no items

* Use chip for detections and show all the time

* make time ago dense

* Be smarter about paging empty

* Fix elevation

web/src/components/Statusbar.tsx

@@ -65,7 +65,7 @@ export default function Statusbar({}) {
         const gpu = parseInt(stats.gpu);
 
         return (
-          <div className="flex items-center text-sm">
+          <div key={gpuTitle} className="flex items-center text-sm">
             <MdCircle
               className={`w-2 h-2 mr-2 ${
                 gpu < 50

web/src/components/player/PreviewThumbnailPlayer.tsx

@@ -16,6 +16,7 @@ import TimeAgo from "../dynamic/TimeAgo";
 import useSWR from "swr";
 import { FrigateConfig } from "@/types/frigateConfig";
 import { isMobile, isSafari } from "react-device-detect";
+import Chip from "../Chip";
 
 type PreviewPlayerProps = {
   review: ReviewSegment;
@@ -121,26 +122,26 @@ export default function PreviewThumbnailPlayer({
       ) : (
         <img
           className="h-full w-full"
+          loading="lazy"
           src={`${apiHost}${review.thumb_path.replace("/media/frigate/", "")}`}
         />
       )}
-      {!playingBack &&
-        (review.severity == "alert" || review.severity == "detection") && (
-          <div className="absolute top-1 left-[6px] flex gap-1">
-            {review.data.objects.map((object) => {
-              return getIconForLabel(object, "w-3 h-3 text-white");
-            })}
-            {review.data.audio.map((audio) => {
-              return getIconForLabel(audio, "w-3 h-3 text-white");
-            })}
-            {review.data.sub_labels?.map((sub) => {
-              return getIconForSubLabel(sub, "w-3 h-3 text-white");
-            })}
-          </div>
-        )}
+      {(review.severity == "alert" || review.severity == "detection") && (
+        <Chip className="absolute top-2 left-2 flex gap-1 bg-gradient-to-br from-gray-400 to-gray-500 bg-gray-500 z-0">
+          {review.data.objects.map((object) => {
+            return getIconForLabel(object, "w-3 h-3 text-white");
+          })}
+          {review.data.audio.map((audio) => {
+            return getIconForLabel(audio, "w-3 h-3 text-white");
+          })}
+          {review.data.sub_labels?.map((sub) => {
+            return getIconForSubLabel(sub, "w-3 h-3 text-white");
+          })}
+        </Chip>
+      )}
       {!playingBack && (
         <div className="absolute left-[6px] right-[6px] bottom-1 flex justify-between text-white">
-          <TimeAgo time={review.start_time * 1000} />
+          <TimeAgo time={review.start_time * 1000} dense />
           {config &&
             formatUnixTimestampToDateTime(review.start_time, {
               strftime_fmt:
@@ -184,6 +185,26 @@ function PreviewContent({
   setProgress,
   setReviewed,
 }: PreviewContentProps) {
+  // manual playback
+  // safari is incapable of playing at a speed > 2x
+  // so manual seeking is required on iOS
+
+  const [manualPlayback, setManualPlayback] = useState(false);
+  useEffect(() => {
+    if (!manualPlayback || !playerRef.current) {
+      return;
+    }
+
+    const intervalId: NodeJS.Timeout = setInterval(() => {
+      if (playerRef.current) {
+        playerRef.current.currentTime(playerRef.current.currentTime()!! + 1);
+      }
+    }, 125);
+    return () => clearInterval(intervalId);
+  }, [manualPlayback, playerRef]);
+
+  // preview
+
   if (relevantPreview && playback) {
     return (
       <VideoPlayer
@@ -218,10 +239,16 @@ function PreviewContent({
             review.start_time - relevantPreview.start - 8
           );
 
-          player.playbackRate(isSafari ? 2 : 8);
+          if (isSafari) {
+            player.pause();
+            setManualPlayback(true);
+          } else {
+            player.playbackRate(8);
+          }
+
           player.currentTime(playerStartTime);
           player.on("timeupdate", () => {
-            if (!setProgress || playerRef.current?.paused()) {
+            if (!setProgress) {
               return;
             }
 
@@ -242,6 +269,7 @@ function PreviewContent({
 
             if (playerPercent > 100) {
               playerRef.current?.pause();
+              setManualPlayback(false);
               setProgress(100.0);
             } else {
               setProgress(playerPercent);

web/src/views/events/DesktopEventView.tsx

@@ -116,6 +116,16 @@ export default function DesktopEventView() {
     [reviewPages]
   );
 
+  const currentItems = useMemo(() => {
+    const current = reviewItems[severity];
+
+    if (!current || current.length == 0) {
+      return null;
+    }
+
+    return current;
+  }, [reviewItems, severity]);
+
   // review interaction
 
   const pagingObserver = useRef<IntersectionObserver | null>();
@@ -244,8 +254,6 @@ export default function DesktopEventView() {
     return <ActivityIndicator />;
   }
 
-  console.log("end of the timeline is " + after + " vs " + (Math.floor(Date.now() / 1000) + 2 * 60 * 60))
-
   return (
     <div className="relative w-full h-full">
       <div className="absolute flex justify-between left-0 top-0 right-0">
@@ -303,68 +311,57 @@ export default function DesktopEventView() {
         ref={contentRef}
         className="absolute left-0 top-12 bottom-0 right-28 flex flex-wrap content-start gap-2 overflow-y-auto no-scrollbar"
       >
-        {reviewItems[severity]?.map((value, segIdx) => {
-          const lastRow = segIdx == reviewItems[severity].length - 1;
-          const relevantPreview = Object.values(allPreviews || []).find(
-            (preview) =>
-              preview.camera == value.camera &&
-              preview.start < value.start_time &&
-              preview.end > value.end_time
-          );
+        {currentItems ? (
+          currentItems.map((value, segIdx) => {
+            const lastRow = segIdx == reviewItems[severity].length - 1;
+            const relevantPreview = Object.values(allPreviews || []).find(
+              (preview) =>
+                preview.camera == value.camera &&
+                preview.start < value.start_time &&
+                preview.end > value.end_time
+            );
 
-          return (
-            <div
-              key={value.id}
-              ref={lastRow ? lastReviewRef : minimapRef}
-              data-start={value.start_time}
-            >
-              <div className="h-[234px] aspect-video rounded-lg overflow-hidden">
-                <PreviewThumbnailPlayer
-                  review={value}
-                  relevantPreview={relevantPreview}
-                  setReviewed={() => setReviewed(value.id)}
-                />
+            return (
+              <div
+                key={value.id}
+                ref={lastRow ? lastReviewRef : minimapRef}
+                data-start={value.start_time}
+              >
+                <div className="h-[234px] aspect-video rounded-lg overflow-hidden">
+                  <PreviewThumbnailPlayer
+                    review={value}
+                    relevantPreview={relevantPreview}
+                    setReviewed={() => setReviewed(value.id)}
+                  />
+                </div>
+                {lastRow && !isDone && <ActivityIndicator />}
               </div>
-              {lastRow && !isDone && <ActivityIndicator />}
-            </div>
-          );
-        })}
+            );
+          })
+        ) : (
+          <div ref={lastReviewRef} />
+        )}
       </div>
       <div className="absolute top-12 right-0 bottom-0">
-        {after != 0 && (<EventReviewTimeline
-          segmentDuration={60}
-          timestampSpread={15}
-          timelineStart={Math.floor(Date.now() / 1000)} // start of the timeline - all times are numeric, not Date objects
-          timelineEnd={after} // end of timeline - timestamp
-          showMinimap
-          minimapStartTime={minimapBounds.start}
-          minimapEndTime={minimapBounds.end}
-          events={reviewItems.all}
-          severityType={severity}
-          contentRef={contentRef}
-        />)}
+        {after != 0 && (
+          <EventReviewTimeline
+            segmentDuration={60}
+            timestampSpread={15}
+            timelineStart={Math.floor(Date.now() / 1000)}
+            timelineEnd={after}
+            showMinimap
+            minimapStartTime={minimapBounds.start}
+            minimapEndTime={minimapBounds.end}
+            events={reviewItems.all}
+            severityType={severity}
+            contentRef={contentRef}
+          />
+        )}
       </div>
     </div>
   );
 }
 
-/**
- *          <EventReviewTimeline
-            segmentDuration={60} // seconds per segment
-            timestampSpread={15} // minutes between each major timestamp
-            timelineStart={Math.floor(Date.now() / 1000)} // start of the timeline - all times are numeric, not Date objects
-            timelineEnd={Math.floor(Date.now() / 1000) + 2 * 60 * 60} // end of timeline - timestamp
-            showHandlebar // show / hide the handlebar
-            handlebarTime={Math.floor(Date.now() / 1000) - 27 * 60} // set the time of the handlebar
-            showMinimap // show / hide the minimap
-            minimapStartTime={Math.floor(Date.now() / 1000) - 35 * 60} // start time of the minimap - the earlier time (eg 1:00pm)
-            minimapEndTime={Math.floor(Date.now() / 1000) - 21 * 60} // end of the minimap - the later time (eg 3:00pm)
-            events={mockEvents} // events, including new has_been_reviewed and severity properties
-            severityType={"alert"} // choose the severity type for the middle line - all other severity types are to the right
-            contentRef={contentRef} // optional content ref where previews are, can be used for observing/scrolling later
-          />
- */
-
 function ReviewCalendarButton() {
   const disabledDates = useMemo(() => {
     const tomorrow = new Date();

web/src/views/events/MobileEventView.tsx

@@ -106,6 +106,16 @@ export default function MobileEventView() {
     [reviewPages]
   );
 
+  const currentItems = useMemo(() => {
+    const current = reviewItems[severity];
+
+    if (!current || current.length == 0) {
+      return null;
+    }
+
+    return current;
+  }, [reviewItems, severity]);
+
   // review interaction
 
   const pagingObserver = useRef<IntersectionObserver | null>();
@@ -278,33 +288,37 @@ export default function MobileEventView() {
         ref={contentRef}
         className="w-full h-full grid grid-cols-1 sm:grid-cols-2 mt-2 gap-2 overflow-y-auto"
       >
-        {reviewItems[severity]?.map((value, segIdx) => {
-          const lastRow = segIdx == reviewItems[severity].length - 1;
-          const relevantPreview = Object.values(allPreviews || []).find(
-            (preview) =>
-              preview.camera == value.camera &&
-              preview.start < value.start_time &&
-              preview.end > value.end_time
-          );
+        {currentItems ? (
+          currentItems.map((value, segIdx) => {
+            const lastRow = segIdx == reviewItems[severity].length - 1;
+            const relevantPreview = Object.values(allPreviews || []).find(
+              (preview) =>
+                preview.camera == value.camera &&
+                preview.start < value.start_time &&
+                preview.end > value.end_time
+            );
 
-          return (
-            <div
-              key={value.id}
-              ref={lastRow ? lastReviewRef : minimapRef}
-              data-start={value.start_time}
-            >
-              <div className="w-full aspect-video rounded-lg overflow-hidden">
-                <PreviewThumbnailPlayer
-                  review={value}
-                  relevantPreview={relevantPreview}
-                  autoPlayback={minimapBounds.end == value.start_time}
-                  setReviewed={() => setReviewed(value.id)}
-                />
+            return (
+              <div
+                key={value.id}
+                ref={lastRow ? lastReviewRef : minimapRef}
+                data-start={value.start_time}
+              >
+                <div className="w-full aspect-video rounded-lg overflow-hidden">
+                  <PreviewThumbnailPlayer
+                    review={value}
+                    relevantPreview={relevantPreview}
+                    autoPlayback={minimapBounds.end == value.start_time}
+                    setReviewed={() => setReviewed(value.id)}
+                  />
+                </div>
+                {lastRow && !isDone && <ActivityIndicator />}
               </div>
-              {lastRow && !isDone && <ActivityIndicator />}
-            </div>
-          );
-        })}
+            );
+          })
+        ) : (
+          <div ref={lastReviewRef} />
+        )}
       </div>
     </>
   );