IO-1165 Add video playback support.

components/media-cache-overlay/media-cache-overlay.component.jsx

@@ -1,7 +1,14 @@
 import { Ionicons } from "@expo/vector-icons";
-import React from "react";
-import { Modal, SafeAreaView, TouchableOpacity, View } from "react-native";
+import { Video } from "expo-av";
+import React, { useState } from "react";
+import {
+  Dimensions,
+  Modal,
+  SafeAreaView,
+  TouchableOpacity,
+} from "react-native";
 import Gallery from "react-native-image-gallery";
+
 export default function MediaCacheOverlay({
   photos,
   previewVisible,
@@ -9,6 +16,11 @@ export default function MediaCacheOverlay({
   imgIndex,
   setImgIndex,
 }) {
+  const [currentIndex, setcurrentIndex] = useState(0);
+  const [dragging, setDragging] = useState(false);
+
+  const videoRef = React.useRef(null);
+
   return (
     <Modal
       onDismiss={() => setPreviewVisible(false)}
@@ -17,7 +29,14 @@ export default function MediaCacheOverlay({
       transparent={false}
     >
       <SafeAreaView style={{ flex: 1, backgroundColor: "black" }}>
-        <Gallery initialPage={imgIndex} images={photos} />
+        <Gallery
+          initialPage={imgIndex}
+          images={photos}
+          onPageScroll={({ position }) => setcurrentIndex(position)}
+          onPageScrollStateChanged={(state) =>
+            state === "idle" ? setDragging(false) : setDragging(true)
+          }
+        />
         <TouchableOpacity
           style={{ position: "absolute" }}
           onPress={() => setPreviewVisible(false)}
@@ -29,7 +48,29 @@ export default function MediaCacheOverlay({
             style={{ margin: 20 }}
           />
         </TouchableOpacity>
+        {!dragging && photos[currentIndex] && photos[currentIndex].videoUrl && (
+          <TouchableOpacity
+            style={{
+              position: "absolute",
+              left: Dimensions.get("window").width / 2 - 32,
+              top: Dimensions.get("window").height / 2 - 32,
+              justifyContent: "center",
+              alignItems: "center",
+            }}
+            onPress={async () => {
+              await videoRef.current.loadAsync(
+                { uri: photos[currentIndex].videoUrl },
+                {},
+                false
+              );
+              videoRef.current.presentFullscreenPlayer();
+            }}
+          >
+            <Ionicons name="play" size={64} color="white" />
+          </TouchableOpacity>
+        )}
       </SafeAreaView>
+      <Video ref={videoRef} useNativeControls />
     </Modal>
   );
 }