chore: moved timeline viewer to new component

web/src/components/HistoryViewer.jsx

@@ -0,0 +1,117 @@
+import { Fragment, h } from 'preact';
+import { useEffect, useRef, useState } from 'preact/hooks';
+import { useApiHost, useEvents } from '../api';
+import { useSearchString } from '../hooks/useSearchString';
+import { Next } from '../icons/Next';
+import { Play } from '../icons/Play';
+import { Previous } from '../icons/Previous';
+import { HistoryHeader } from '../routes/HistoryHeader';
+import { longToDate } from '../utils/dateUtil';
+import Timeline from './Timeline';
+
+export default function HistoryViewer({ camera }) {
+  const apiHost = useApiHost();
+  const videoRef = useRef();
+
+  const beginningOfDay = new Date().setHours(0, 0, 0) / 1000;
+  const { searchString } = useSearchString(200, `camera=${camera}&after=${beginningOfDay}`);
+  const { data: events } = useEvents(searchString);
+  const [timelineEvents, setTimelineEvents] = useState();
+
+  const [currentEvent, setCurrentEvent] = useState();
+  const [currentEventIndex, setCurrentEventIndex] = useState();
+  const [timelineOffset, setTimelineOffset] = useState(0);
+
+  useEffect(() => {
+    if (events) {
+      setTimelineEvents([...events].reverse().filter((e) => e.end_time !== undefined));
+    }
+  }, [events]);
+
+  const handleTimeUpdate = () => {
+    const timestamp = Math.round(videoRef.current.currentTime);
+    const offset = Math.round(timestamp);
+    const triggerStateChange = offset !== timelineOffset;
+    if (triggerStateChange) {
+      setTimelineOffset(offset);
+    }
+  };
+
+  const handleTimelineChange = (event) => {
+    console.log({ event });
+    if (event !== undefined) {
+      setCurrentEvent(event);
+      setCurrentEventIndex(event.index);
+    }
+  };
+
+  const handleVideoTouch = () => {
+    setHideBanner(true);
+  };
+
+  const handlePlay = function () {
+    videoRef.current.play();
+  };
+
+  const handlePaused = () => {
+    setTimelineOffset(undefined);
+  };
+
+  const handlePrevious = function () {
+    setCurrentEventIndex((index) => index - 1);
+  };
+
+  const handleNext = function () {
+    setCurrentEventIndex((index) => index + 1);
+  };
+
+  return (
+    <Fragment>
+      {currentEvent && (
+        <Fragment>
+          <div className='relative flex flex-col'>
+            <HistoryHeader
+              camera={camera}
+              date={longToDate(currentEvent.start_time)}
+              objectLabel={currentEvent.label}
+              className='mb-2'
+            />
+            <video
+              ref={videoRef}
+              onTimeUpdate={handleTimeUpdate}
+              onPause={handlePaused}
+              onClick={handleVideoTouch}
+              poster={`${apiHost}/api/events/${currentEvent.id}/snapshot.jpg`}
+              preload='none'
+              playsInline
+              controls
+            >
+              <source
+                src={`${apiHost}/api/${camera}/start/${currentEvent.start_time}/end/${currentEvent.end_time}/clip.mp4`}
+              />
+            </video>
+          </div>
+        </Fragment>
+      )}
+
+      <Timeline
+        events={timelineEvents}
+        offset={timelineOffset}
+        currentIndex={currentEventIndex}
+        onChange={handleTimelineChange}
+      />
+
+      <div className='flex self-center'>
+        <button onClick={handlePrevious}>
+          <Previous />
+        </button>
+        <button onClick={handlePlay}>
+          <Play />
+        </button>
+        <button onClick={handleNext}>
+          <Next />
+        </button>
+      </div>
+    </Fragment>
+  );
+}

web/src/components/Timeline.jsx

@@ -20,7 +20,7 @@ export default function Timeline({ events, offset, currentIndex, onChange }) {
       }
 
       const firstEventTime = longToDate(firstEvent.start_time);
-      const eventsMap = events.map((e, i) => {
+      const timelineEvents = events.map((e, i) => {
         const startTime = longToDate(e.start_time);
         const endTime = e.end_time ? longToDate(e.end_time) : new Date();
         const seconds = Math.round(Math.abs(endTime - startTime) / 1000);
@@ -35,16 +35,15 @@ export default function Timeline({ events, offset, currentIndex, onChange }) {
         };
       });
 
-      const recentEvent = eventsMap[eventsMap.length - 1];
+      const firstTimelineEvent = timelineEvents[0];
-      const event = {
+      setCurrentEvent({
-        ...recentEvent,
+        ...firstTimelineEvent,
-        id: recentEvent.id,
+        id: firstTimelineEvent.id,
-        index: eventsMap.length - 1,
+        index: 0,
-        startTime: recentEvent.start_time,
+        startTime: firstTimelineEvent.start_time,
-        endTime: recentEvent.end_time,
+        endTime: firstTimelineEvent.end_time,
-      };
+      });
-      setCurrentEvent(event);
+      setTimeline(timelineEvents);
-      setTimeline(eventsMap);
     }
   }, [events, timelineOffset]);
 
@@ -70,7 +69,7 @@ export default function Timeline({ events, offset, currentIndex, onChange }) {
         startTime: event.start_time,
         endTime: event.end_time,
       });
-      timelineContainerRef.current.scroll({left: event.positionX - timelineOffset, behavior: "smooth"})
+      timelineContainerRef.current.scroll({ left: event.positionX - timelineOffset, behavior: 'smooth' });
     }
   }, [currentIndex]);
 
@@ -128,7 +127,7 @@ export default function Timeline({ events, offset, currentIndex, onChange }) {
       const timelineLength = timelineOffset + lastEvent.positionX + lastEvent.width;
       return (
         <div
-          className="relative flex items-center h-20"
+          className='relative flex items-center h-20'
           style={{
             width: `${timelineLength}px`,
             background: "url('/marker.png')",
@@ -141,7 +140,7 @@ export default function Timeline({ events, offset, currentIndex, onChange }) {
             return (
               <div
                 key={e.id}
-                className="absolute z-10 rounded-full bg-blue-300 h-2"
+                className='absolute z-10 rounded-full bg-blue-300 h-2'
                 style={{
                   left: `${e.positionX}px`,
                   width: `${e.seconds}px`,
@@ -155,12 +154,12 @@ export default function Timeline({ events, offset, currentIndex, onChange }) {
   }, [timeline]);
 
   return (
-    <div className="relative flex-grow-1">
+    <div className='relative flex-grow-1'>
-      <div className="absolute left-0 top-0 h-full w-full" style={{ textAlign: 'center' }}>
+      <div className='absolute left-0 top-0 h-full w-full' style={{ textAlign: 'center' }}>
-        <div className="h-full" style={{ margin: '0 auto', textAlign: 'center' }}>
+        <div className='h-full' style={{ margin: '0 auto', textAlign: 'center' }}>
-          <span className="z-20 text-white">{markerTime && <span>{markerTime.toLocaleTimeString()}</span>}</span>
+          <span className='z-20 text-white'>{markerTime && <span>{markerTime.toLocaleTimeString()}</span>}</span>
           <div
-            className="z-20 h-full absolute"
+            className='z-20 h-full absolute'
             style={{
               left: 'calc(100% / 2)',
               height: 'calc(100% - 24px)',
@@ -169,7 +168,7 @@ export default function Timeline({ events, offset, currentIndex, onChange }) {
           ></div>
         </div>
       </div>
-      <div ref={timelineContainerRef} className="overflow-x-auto hide-scroll" onScroll={handleScroll}>
+      <div ref={timelineContainerRef} className='overflow-x-auto hide-scroll' onScroll={handleScroll}>
         <RenderTimeline />
       </div>
     </div>

web/src/routes/Camera_V2.jsx

@@ -16,37 +16,19 @@ import { useSearchString } from '../hooks/useSearchString';
 import { Previous } from '../icons/Previous';
 import { Play } from '../icons/Play';
 import { Next } from '../icons/Next';
+import HistoryViewer from '../components/HistoryViewer';
 
 const emptyObject = Object.freeze({});
 
 export default function Camera({ camera }) {
-  const apiHost = useApiHost();
-  const videoRef = useRef();
-
   const { data: config } = useConfig();
 
-  const beginningOfDay = new Date().setHours(0, 0, 0) / 1000;
-  const { searchString } = useSearchString(200, `camera=${camera}&after=${beginningOfDay}`);
-  const { data: events } = useEvents(searchString);
-  const [timelineEvents, setTimelineEvents] = useState();
-
-  const [hideBanner, setHideBanner] = useState(false);
   const [playerType, setPlayerType] = useState('live');
 
   const cameraConfig = config?.cameras[camera];
   const liveWidth = Math.round(cameraConfig.live.height * (cameraConfig.detect.width / cameraConfig.detect.height));
   const [options, setOptions] = usePersistence(`${camera}-feed`, emptyObject);
 
-  const [currentEvent, setCurrentEvent] = useState();
-  const [currentEventIndex, setCurrentEventIndex] = useState();
-  const [timelineOffset, setTimelineOffset] = useState(0);
-
-  useEffect(() => {
-    if (events) {
-      setTimelineEvents([...events].reverse().filter((e) => e.end_time !== undefined));
-    }
-  }, [events]);
-
   const handleSetOption = useCallback(
     (id, value) => {
       const newOptions = { ...options, [id]: value };
@@ -115,31 +97,12 @@ export default function Camera({ camera }) {
       );
       break;
     case 'history':
-      if (currentEvent) {
+      renderPlayer = <HistoryViewer camera={camera} />;
-        renderPlayer = (
-          <video
-            ref={videoRef}
-            onTimeUpdate={handleTimeUpdate}
-            onPause={handlePaused}
-            onClick={handleVideoTouch}
-            poster={`${apiHost}/api/events/${currentEvent.id}/snapshot.jpg`}
-            preload='none'
-            playsInline
-            controls
-          >
-            <source
-              src={`${apiHost}/api/${camera}/start/${currentEvent.startTime}/end/${currentEvent.endTime}/clip.mp4`}
-            />
-          </video>
-        );
-      }
       break;
     case 'debug':
       renderPlayer = (
         <Fragment>
-          <div>
           <AutoUpdatingCameraImage camera={camera} searchParams={searchParams} />
-          </div>
           {optionContent}
         </Fragment>
       );
@@ -148,19 +111,6 @@ export default function Camera({ camera }) {
       break;
   }
 
-  const handleTimeUpdate = () => {
-    const timestamp = Math.round(videoRef.current.currentTime);
-    const offset = Math.round(timestamp);
-    const triggerStateChange = offset !== timelineOffset;
-    if (triggerStateChange) {
-      setTimelineOffset(offset);
-    }
-  };
-
-  const handleVideoTouch = () => {
-    setHideBanner(true);
-  };
-
   const handleTabChange = (index) => {
     if (index === 0) {
       setPlayerType('history');
@@ -171,29 +121,6 @@ export default function Camera({ camera }) {
     }
   };
 
-  const handleTimelineChange = (event) => {
-    if (event !== undefined) {
-      setCurrentEvent(event);
-      setCurrentEventIndex(event.index);
-    }
-  };
-
-  const handlePlay = function () {
-    videoRef.current.play();
-  };
-
-  const handlePaused = () => {
-    setTimelineOffset(undefined);
-  };
-
-  const handlePrevious = function () {
-    setCurrentEventIndex((index) => index - 1);
-  };
-
-  const handleNext = function () {
-    setCurrentEventIndex((index) => index + 1);
-  };
-
   return (
     <div className='flex bg-gray-900 w-full h-full justify-center'>
       <div className='relative max-w-screen-md flex-grow w-full'>
@@ -210,42 +137,7 @@ export default function Camera({ camera }) {
           </div>
         </div>
 
-        <div className='flex flex-col justify-center h-full'>
+        <div className='flex flex-col justify-center h-full'>{renderPlayer}</div>
-          <div className='relative'>
-            {currentEvent && (
-              <HistoryHeader
-                camera={camera}
-                date={longToDate(currentEvent.start_time)}
-                objectLabel={currentEvent.label}
-                className='mb-2'
-              />
-            )}
-            {renderPlayer}
-          </div>
-
-          {playerType === 'history' && (
-            <Fragment>
-              <Timeline
-                events={timelineEvents}
-                offset={timelineOffset}
-                currentIndex={currentEventIndex}
-                onChange={handleTimelineChange}
-              />
-
-              <div className='flex self-center'>
-                <button onClick={handlePrevious}>
-                  <Previous />
-                </button>
-                <button onClick={handlePlay}>
-                  <Play />
-                </button>
-                <button onClick={handleNext}>
-                  <Next />
-                </button>
-              </div>
-            </Fragment>
-          )}
-        </div>
 
         <div className='absolute flex justify-center bottom-8 w-full'>
           <Tabs selectedIndex={1} onChange={handleTabChange} className='justify'>