From 38d7628c685e2a377e56ee16e417b97f816f649c Mon Sep 17 00:00:00 2001
From: Nicolas Mowen <nickmowen213@gmail.com>
Date: Sat, 2 Mar 2024 09:27:05 -0700
Subject: [PATCH] Add support for full screen mode

---
 web/src/views/live/LiveCameraView.tsx | 91 ++++++++++++++++++++++-----
 1 file changed, 76 insertions(+), 15 deletions(-)

diff --git a/web/src/views/live/LiveCameraView.tsx b/web/src/views/live/LiveCameraView.tsx
index dff75fc78..b59fd0f4e 100644
--- a/web/src/views/live/LiveCameraView.tsx
+++ b/web/src/views/live/LiveCameraView.tsx
@@ -18,7 +18,13 @@ import { TooltipProvider } from "@/components/ui/tooltip";
 import useKeyboardListener from "@/hooks/use-keyboard-listener";
 import { CameraConfig } from "@/types/frigateConfig";
 import { CameraPtzInfo } from "@/types/ptz";
-import React, { useCallback, useMemo, useState } from "react";
+import React, {
+  useCallback,
+  useEffect,
+  useMemo,
+  useRef,
+  useState,
+} from "react";
 import {
   isDesktop,
   isMobile,
@@ -31,6 +37,7 @@ import {
   FaAngleLeft,
   FaAngleRight,
   FaAngleUp,
+  FaExpand,
 } from "react-icons/fa";
 import { GiSpeaker, GiSpeakerOff } from "react-icons/gi";
 import { IoMdArrowBack } from "react-icons/io";
@@ -52,6 +59,7 @@ type LiveCameraViewProps = {
 export default function LiveCameraView({ camera }: LiveCameraViewProps) {
   const navigate = useNavigate();
   const { isPortrait } = useMobileOrientation();
+  const mainRef = useRef<HTMLDivElement | null>(null);
 
   // camera features
 
@@ -66,43 +74,97 @@ export default function LiveCameraView({ camera }: LiveCameraViewProps) {
   );
   const { payload: audioState, send: sendAudio } = useAudioState(camera.name);
 
+  // fullscreen state
+
+  useEffect(() => {
+    if (mainRef.current == null) {
+      return;
+    }
+
+    const listener = () => {
+      setFullscreen(document.fullscreenElement != null);
+    };
+    document.addEventListener("fullscreenchange", listener);
+
+    return () => {
+      document.removeEventListener("fullscreenchange", listener);
+    };
+  }, [mainRef]);
+
   // playback state
 
   const [audio, setAudio] = useState(false);
+  const [fullscreen, setFullscreen] = useState(false);
 
   const growClassName = useMemo(() => {
+    const aspect = camera.detect.width / camera.detect.height;
+
+    if (fullscreen) {
+      if (aspect > 16 / 9) {
+        return "absolute inset-x-0 top-[50%] -translate-y-[50%]";
+      } else {
+        return "absolute inset-y-0 left-[50%] -translate-x-[50%]";
+      }
+    }
+
     if (isMobile) {
       if (isPortrait) {
         return "absolute left-2 right-2 top-[50%] -translate-y-[50%]";
       } else {
         return "absolute top-2 bottom-2 left-[50%] -translate-x-[50%]";
       }
-    } else if (camera.detect.width / camera.detect.height > 2) {
+    } else if (aspect > 2) {
       return "absolute left-2 right-2 top-[50%] -translate-y-[50%]";
     } else {
       return "absolute top-2 bottom-2 left-[50%] -translate-x-[50%]";
     }
-  }, [camera, isPortrait]);
+  }, [camera, fullscreen, isPortrait]);
 
   return (
     <div
-      className={`size-full flex flex-col ${isMobile ? "landscape:flex-row" : ""}`}
+      ref={mainRef}
+      className={
+        fullscreen
+          ? `fixed inset-0 bg-black z-30`
+          : `size-full flex flex-col ${isMobile ? "landscape:flex-row" : ""}`
+      }
     >
       <div
-        className={`w-full h-12 flex flex-row items-center justify-between ${isMobile ? "landscape:w-min landscape:h-full landscape:flex-col" : ""}`}
+        className={
+          fullscreen
+            ? `absolute right-24 top-1 z-40`
+            : `w-full h-12 flex flex-row items-center justify-between ${isMobile ? "landscape:w-min landscape:h-full landscape:flex-col" : ""}`
+        }
       >
-        <Button
-          className={`rounded-lg ${isMobile ? "ml-2" : "ml-0"}`}
-          size={isMobile ? "icon" : "default"}
-          onClick={() => navigate(-1)}
-        >
-          <IoMdArrowBack className="size-5 lg:mr-[10px]" />
-          {isDesktop && "Back"}
-        </Button>
+        {!fullscreen ? (
+          <Button
+            className={`rounded-lg ${isMobile ? "ml-2" : "ml-0"}`}
+            size={isMobile ? "icon" : "default"}
+            onClick={() => navigate(-1)}
+          >
+            <IoMdArrowBack className="size-5 lg:mr-[10px]" />
+            {isDesktop && "Back"}
+          </Button>
+        ) : (
+          <div />
+        )}
         <TooltipProvider>
           <div
             className={`flex flex-row items-center gap-2 mr-1 *:rounded-lg ${isMobile ? "landscape:flex-col" : ""}`}
           >
+            <CameraFeatureToggle
+              className="p-2 md:p-0"
+              Icon={fullscreen ? FaExpand : FaExpand}
+              isActive={fullscreen}
+              title={fullscreen ? "Fullscreen" : "Close"}
+              onClick={() => {
+                if (fullscreen) {
+                  document.exitFullscreen();
+                } else {
+                  mainRef.current?.requestFullscreen();
+                }
+              }}
+            />
             <CameraFeatureToggle
               className="p-2 md:p-0"
               Icon={audio ? GiSpeaker : GiSpeakerOff}
@@ -143,7 +205,6 @@ export default function LiveCameraView({ camera }: LiveCameraViewProps) {
           </div>
         </TooltipProvider>
       </div>
-
       <div className="relative size-full">
         <div
           className={growClassName}
@@ -151,7 +212,7 @@ export default function LiveCameraView({ camera }: LiveCameraViewProps) {
         >
           <LivePlayer
             key={camera.name}
-            className="size-full"
+            className={`size-full ${fullscreen ? "*:rounded-none" : ""}`}
             windowVisible
             showStillWithoutActivity={false}
             cameraConfig={camera}