Reduce rerenders on some components (#10068)

* Remove direct callback

* don't rerender for callback

* Move websocket to top level events

* Be smarter about updating timeago

* Cleanup

web/src/components/dynamic/TimeAgo.tsx

@@ -8,7 +8,7 @@ interface IProp {
   /** OPTIONAL: boolean that determines whether to show the time-ago text in dense format */
   dense?: boolean;
   /** OPTIONAL: set custom refresh interval in milliseconds, default 1000 (1 sec) */
-  refreshInterval?: number;
+  manualRefreshInterval?: number;
 }
 
 type TimeUnit = {
@@ -17,24 +17,28 @@ type TimeUnit = {
   value: number;
 };
 
-const timeAgo = ({ time, currentTime = new Date(), dense = false }: IProp): string => {
+const timeAgo = ({
-  if (typeof time !== 'number' || time < 0) return 'Invalid Time Provided';
+  time,
+  currentTime = new Date(),
+  dense = false,
+}: IProp): string => {
+  if (typeof time !== "number" || time < 0) return "Invalid Time Provided";
 
   const pastTime: Date = new Date(time);
   const elapsedTime: number = currentTime.getTime() - pastTime.getTime();
 
   const timeUnits: TimeUnit[] = [
-    { unit: 'yr', full: 'year', value: 31536000 },
+    { unit: "yr", full: "year", value: 31536000 },
-    { unit: 'mo', full: 'month', value: 0 },
+    { unit: "mo", full: "month", value: 0 },
-    { unit: 'd', full: 'day', value: 86400 },
+    { unit: "d", full: "day", value: 86400 },
-    { unit: 'h', full: 'hour', value: 3600 },
+    { unit: "h", full: "hour", value: 3600 },
-    { unit: 'm', full: 'minute', value: 60 },
+    { unit: "m", full: "minute", value: 60 },
-    { unit: 's', full: 'second', value: 1 },
+    { unit: "s", full: "second", value: 1 },
   ];
 
   const elapsed: number = elapsedTime / 1000;
   if (elapsed < 10) {
-    return 'just now';
+    return "just now";
   }
 
   for (let i = 0; i < timeUnits.length; i++) {
@@ -48,7 +52,8 @@ const timeAgo = ({ time, currentTime = new Date(), dense = false }: IProp): stri
       const currentMonth = currentTime.getUTCMonth();
       const currentYear = currentTime.getUTCFullYear();
 
-      let monthDiff = (currentYear - pastYear) * 12 + (currentMonth - pastMonth);
+      let monthDiff =
+        (currentYear - pastYear) * 12 + (currentMonth - pastMonth);
 
       // check if the time provided is the previous month but not exceeded 1 month ago.
       if (currentTime.getUTCDate() < pastTime.getUTCDate()) {
@@ -57,18 +62,37 @@ const timeAgo = ({ time, currentTime = new Date(), dense = false }: IProp): stri
 
       if (monthDiff > 0) {
         const unitAmount = monthDiff;
-        return `${unitAmount}${dense ? timeUnits[i].unit : ` ${timeUnits[i].full}`}${dense ? '' : 's'} ago`;
+        return `${unitAmount}${dense ? timeUnits[i].unit : ` ${timeUnits[i].full}`}${dense ? "" : "s"} ago`;
       }
     } else if (elapsed >= timeUnits[i].value) {
       const unitAmount: number = Math.floor(elapsed / timeUnits[i].value);
-      return `${unitAmount}${dense ? timeUnits[i].unit : ` ${timeUnits[i].full}`}${dense ? '' : 's'} ago`;
+      return `${unitAmount}${dense ? timeUnits[i].unit : ` ${timeUnits[i].full}`}${dense ? "" : "s"} ago`;
     }
   }
-  return 'Invalid Time';
+  return "Invalid Time";
 };
 
-const TimeAgo: FunctionComponent<IProp> = ({ refreshInterval = 1000, ...rest }): JSX.Element => {
+const TimeAgo: FunctionComponent<IProp> = ({
+  time,
+  manualRefreshInterval,
+  ...rest
+}): JSX.Element => {
   const [currentTime, setCurrentTime] = useState<Date>(new Date());
+  const refreshInterval = useMemo(() => {
+    if (manualRefreshInterval) {
+      return manualRefreshInterval;
+    }
+
+    const currentTs = currentTime.getTime() / 1000;
+    if (currentTs - time < 60) {
+      return 1000; // refresh every second
+    } else if (currentTs - time < 3600) {
+      return 60000; // refresh every minute
+    } else {
+      return 3600000; // refresh every hour
+    }
+  }, [currentTime, manualRefreshInterval]);
+
   useEffect(() => {
     const intervalId: NodeJS.Timeout = setInterval(() => {
       setCurrentTime(new Date());
@@ -76,7 +100,10 @@ const TimeAgo: FunctionComponent<IProp> = ({ refreshInterval = 1000, ...rest }):
     return () => clearInterval(intervalId);
   }, [refreshInterval]);
 
-  const timeAgoValue = useMemo(() => timeAgo({ currentTime, ...rest }), [currentTime, rest]);
+  const timeAgoValue = useMemo(
+    () => timeAgo({ time, currentTime, ...rest }),
+    [currentTime, rest]
+  );
 
   return <span>{timeAgoValue}</span>;
 };

web/src/components/player/PreviewThumbnailPlayer.tsx

@@ -26,8 +26,8 @@ type PreviewPlayerProps = {
   review: ReviewSegment;
   relevantPreview?: Preview;
   autoPlayback?: boolean;
-  setReviewed?: () => void;
+  setReviewed?: (reviewId: string) => void;
-  onClick?: () => void;
+  onClick?: (reviewId: string) => void;
 };
 
 type Preview = {
@@ -53,6 +53,22 @@ export default function PreviewThumbnailPlayer({
   const [progress, setProgress] = useState(0);
   const [imgRef, imgLoaded, onImgLoad] = useImageLoaded();
 
+  // interaction
+
+  const handleOnClick = useCallback(() => {
+    if (onClick) {
+      onClick(review.id);
+    }
+  }, [review, onClick]);
+
+  const handleSetReviewed = useCallback(() => {
+    if (setReviewed) {
+      setReviewed(review.id);
+    }
+  }, [review, setReviewed]);
+
+  // playback
+
   const playingBack = useMemo(() => playback, [playback, autoPlayback]);
 
   useEffect(() => {
@@ -110,7 +126,7 @@ export default function PreviewThumbnailPlayer({
           className="relative w-full h-full cursor-pointer"
           onMouseEnter={isMobile ? undefined : () => onPlayback(true)}
           onMouseLeave={isMobile ? undefined : () => onPlayback(false)}
-          onClick={onClick}
+          onClick={handleOnClick}
         >
           {playingBack && (
             <div className="absolute left-0 top-0 right-0 bottom-0 animate-in fade-in">
@@ -118,7 +134,7 @@ export default function PreviewThumbnailPlayer({
                 review={review}
                 relevantPreview={relevantPreview}
                 setProgress={setProgress}
-                setReviewed={setReviewed}
+                setReviewed={handleSetReviewed}
               />
             </div>
           )}
@@ -184,7 +200,7 @@ export default function PreviewThumbnailPlayer({
           )}
         </div>
       </ContextMenuTrigger>
-      <PreviewContextItems review={review} setReviewed={setReviewed} />
+      <PreviewContextItems review={review} setReviewed={handleSetReviewed} />
     </ContextMenu>
   );
 }
@@ -321,7 +337,7 @@ const MIN_LOAD_TIMEOUT_MS = 200;
 type InProgressPreviewProps = {
   review: ReviewSegment;
   setProgress?: (progress: number) => void;
-  setReviewed?: () => void;
+  setReviewed?: (reviewId: string) => void;
 };
 function InProgressPreview({
   review,
@@ -355,7 +371,7 @@ function InProgressPreview({
       }
 
       if (setReviewed && key == Math.floor(previewFrames.length / 2)) {
-        setReviewed();
+        setReviewed(review.id);
       }
 
       setKey(key + 1);

web/src/pages/Events.tsx

@@ -1,3 +1,4 @@
+import { useFrigateEvents } from "@/api/ws";
 import useApiFilter from "@/hooks/use-api-filter";
 import useOverlayState from "@/hooks/use-overlay-state";
 import { ReviewFilter, ReviewSegment } from "@/types/review";
@@ -5,7 +6,7 @@ import DesktopEventView from "@/views/events/DesktopEventView";
 import DesktopRecordingView from "@/views/events/DesktopRecordingView";
 import MobileEventView from "@/views/events/MobileEventView";
 import axios from "axios";
-import { useCallback, useMemo } from "react";
+import { useCallback, useEffect, useMemo, useState } from "react";
 import { isMobile } from "react-device-detect";
 import useSWR from "swr";
 import useSWRInfinite from "swr/infinite";
@@ -92,6 +93,10 @@ export default function Events() {
     [reviewPages]
   );
 
+  const onLoadNextPage = useCallback(() => {
+    setSize(size + 1);
+  }, [size]);
+
   // preview videos
 
   const previewTimes = useMemo(() => {
@@ -189,6 +194,25 @@ export default function Events() {
     };
   }, [selectedReviewId, reviewPages]);
 
+  // review updates
+
+  const { payload: eventUpdate } = useFrigateEvents();
+  const [hasUpdate, setHasUpdate] = useState(false);
+  useEffect(() => {
+    if (!eventUpdate) {
+      return;
+    }
+
+    // if event is ended and was saved, update events list
+    if (
+      eventUpdate.type == "end" &&
+      (eventUpdate.after.has_clip || eventUpdate.after.has_snapshot)
+    ) {
+      setHasUpdate(true);
+      return;
+    }
+  }, [eventUpdate]);
+
   if (selectedData) {
     return (
       <DesktopRecordingView
@@ -205,8 +229,11 @@ export default function Events() {
           relevantPreviews={allPreviews}
           reachedEnd={isDone}
           isValidating={isValidating}
-          loadNextPage={() => setSize(size + 1)}
+          hasUpdate={hasUpdate}
+          setHasUpdate={setHasUpdate}
+          loadNextPage={onLoadNextPage}
           markItemAsReviewed={markItemAsReviewed}
+          pullLatestData={updateSegments}
         />
       );
     }
@@ -219,7 +246,9 @@ export default function Events() {
         reachedEnd={isDone}
         isValidating={isValidating}
         filter={reviewFilter}
-        loadNextPage={() => setSize(size + 1)}
+        hasUpdate={hasUpdate}
+        setHasUpdate={setHasUpdate}
+        loadNextPage={onLoadNextPage}
         markItemAsReviewed={markItemAsReviewed}
         onSelectReview={setSelectedReviewId}
         pullLatestData={updateSegments}

web/src/views/events/DesktopEventView.tsx

@@ -1,4 +1,3 @@
-import { useFrigateEvents } from "@/api/ws";
 import ReviewFilterGroup from "@/components/filter/ReviewFilterGroup";
 import PreviewThumbnailPlayer from "@/components/player/PreviewThumbnailPlayer";
 import EventReviewTimeline from "@/components/timeline/EventReviewTimeline";
@@ -19,6 +18,8 @@ type DesktopEventViewProps = {
   reachedEnd: boolean;
   isValidating: boolean;
   filter?: ReviewFilter;
+  hasUpdate: boolean;
+  setHasUpdate: (hasUpdated: boolean) => void;
   loadNextPage: () => void;
   markItemAsReviewed: (reviewId: string) => void;
   onSelectReview: (reviewId: string) => void;
@@ -32,6 +33,8 @@ export default function DesktopEventView({
   reachedEnd,
   isValidating,
   filter,
+  hasUpdate,
+  setHasUpdate,
   loadNextPage,
   markItemAsReviewed,
   onSelectReview,
@@ -177,25 +180,6 @@ export default function DesktopEventView({
     return data;
   }, [minimap]);
 
-  // new data alert
-
-  const { payload: eventUpdate } = useFrigateEvents();
-  const [hasUpdate, setHasUpdate] = useState(false);
-  useEffect(() => {
-    if (!eventUpdate) {
-      return;
-    }
-
-    // if event is ended and was saved, update events list
-    if (
-      eventUpdate.type == "end" &&
-      (eventUpdate.after.has_clip || eventUpdate.after.has_snapshot)
-    ) {
-      setHasUpdate(true);
-      return;
-    }
-  }, [eventUpdate]);
-
   if (!config) {
     return <ActivityIndicator />;
   }
@@ -306,8 +290,8 @@ export default function DesktopEventView({
                       <PreviewThumbnailPlayer
                         review={value}
                         relevantPreview={relevantPreview}
-                        setReviewed={() => markItemAsReviewed(value.id)}
+                        setReviewed={markItemAsReviewed}
-                        onClick={() => onSelectReview(value.id)}
+                        onClick={onSelectReview}
                       />
                     </div>
                     {lastRow && !reachedEnd && <ActivityIndicator />}

web/src/views/events/MobileEventView.tsx

@@ -1,9 +1,11 @@
 import PreviewThumbnailPlayer from "@/components/player/PreviewThumbnailPlayer";
 import ActivityIndicator from "@/components/ui/activity-indicator";
+import { Button } from "@/components/ui/button";
 import { ToggleGroup, ToggleGroupItem } from "@/components/ui/toggle-group";
 import { FrigateConfig } from "@/types/frigateConfig";
 import { ReviewSegment, ReviewSeverity } from "@/types/review";
 import { useCallback, useEffect, useMemo, useRef, useState } from "react";
+import { LuRefreshCcw } from "react-icons/lu";
 import { MdCircle } from "react-icons/md";
 import useSWR from "swr";
 
@@ -12,16 +14,22 @@ type MobileEventViewProps = {
   relevantPreviews?: Preview[];
   reachedEnd: boolean;
   isValidating: boolean;
+  hasUpdate: boolean;
+  setHasUpdate: (hasUpdated: boolean) => void;
   loadNextPage: () => void;
   markItemAsReviewed: (reviewId: string) => void;
+  pullLatestData: () => void;
 };
 export default function MobileEventView({
   reviewPages,
   relevantPreviews,
   reachedEnd,
   isValidating,
+  hasUpdate,
+  setHasUpdate,
   loadNextPage,
   markItemAsReviewed,
+  pullLatestData,
 }: MobileEventViewProps) {
   const { data: config } = useSWR<FrigateConfig>("config");
   const [severity, setSeverity] = useState<ReviewSeverity>("alert");
@@ -198,6 +206,34 @@ export default function MobileEventView({
         </ToggleGroupItem>
       </ToggleGroup>
 
+      {hasUpdate && (
+        <div className="absolute w-full z-30">
+          <div className="flex justify-center items-center">
+            <Button
+              className={`${
+                hasUpdate
+                  ? "animate-in slide-in-from-top duration-500"
+                  : "invisible"
+              }  text-center mt-5 mx-auto bg-gray-400 text-white`}
+              variant="secondary"
+              onClick={() => {
+                setHasUpdate(false);
+                pullLatestData();
+                if (contentRef.current) {
+                  contentRef.current.scrollTo({
+                    top: 0,
+                    behavior: "smooth",
+                  });
+                }
+              }}
+            >
+              <LuRefreshCcw className="w-4 h-4 mr-2" />
+              New Items To Review
+            </Button>
+          </div>
+        </div>
+      )}
+
       <div
         ref={contentRef}
         className="w-full h-full grid grid-cols-1 sm:grid-cols-2 mt-2 gap-2 overflow-y-auto"
@@ -223,7 +259,7 @@ export default function MobileEventView({
                     review={value}
                     relevantPreview={relevantPreview}
                     autoPlayback={minimapBounds.end == value.start_time}
-                    setReviewed={() => markItemAsReviewed(value.id)}
+                    setReviewed={markItemAsReviewed}
                   />
                 </div>
                 {lastRow && !reachedEnd && <ActivityIndicator />}