From 098f6af0ae526f15b77950c59d4ce380419c697c Mon Sep 17 00:00:00 2001
From: Jelle van Snik <jellevs@gmail.com>
Date: Sun, 8 Jan 2023 22:29:38 +0100
Subject: [PATCH] Backdrop + improved seeking

---
 src/components/video/DecoratedVideoPlayer.tsx | 24 +++++++++
 src/components/video/VideoPlayer.tsx          |  2 +-
 .../video/controls/BackdropControl.tsx        | 53 +++++++++++++++++++
 .../video/controls/ProgressControl.tsx        | 45 ++++++++++++----
 src/setup/index.css                           |  4 ++
 src/views/TestView.tsx                        | 24 +++------
 6 files changed, 124 insertions(+), 28 deletions(-)
 create mode 100644 src/components/video/DecoratedVideoPlayer.tsx
 create mode 100644 src/components/video/controls/BackdropControl.tsx

diff --git a/src/components/video/DecoratedVideoPlayer.tsx b/src/components/video/DecoratedVideoPlayer.tsx
new file mode 100644
index 00000000..8c1af036
--- /dev/null
+++ b/src/components/video/DecoratedVideoPlayer.tsx
@@ -0,0 +1,24 @@
+import { BackdropControl } from "./controls/BackdropControl";
+import { FullscreenControl } from "./controls/FullscreenControl";
+import { LoadingControl } from "./controls/LoadingControl";
+import { PauseControl } from "./controls/PauseControl";
+import { ProgressControl } from "./controls/ProgressControl";
+import { TimeControl } from "./controls/TimeControl";
+import { VolumeControl } from "./controls/VolumeControl";
+import { VideoPlayer, VideoPlayerProps } from "./VideoPlayer";
+
+export function DecoratedVideoPlayer(props: VideoPlayerProps) {
+  return (
+    <VideoPlayer autoPlay={props.autoPlay}>
+      <BackdropControl>
+        <PauseControl />
+        <FullscreenControl />
+        <ProgressControl />
+        <VolumeControl />
+        <LoadingControl />
+        <TimeControl />
+      </BackdropControl>
+      {props.children}
+    </VideoPlayer>
+  );
+}
diff --git a/src/components/video/VideoPlayer.tsx b/src/components/video/VideoPlayer.tsx
index 8857d9fa..4222365d 100644
--- a/src/components/video/VideoPlayer.tsx
+++ b/src/components/video/VideoPlayer.tsx
@@ -1,7 +1,7 @@
 import { forwardRef, useContext, useRef } from "react";
 import { VideoPlayerContext, VideoPlayerContextProvider } from "./VideoContext";
 
-interface VideoPlayerProps {
+export interface VideoPlayerProps {
   autoPlay?: boolean;
   children?: React.ReactNode;
 }
diff --git a/src/components/video/controls/BackdropControl.tsx b/src/components/video/controls/BackdropControl.tsx
new file mode 100644
index 00000000..3629c86e
--- /dev/null
+++ b/src/components/video/controls/BackdropControl.tsx
@@ -0,0 +1,53 @@
+import { useCallback, useRef, useState } from "react";
+import { useVideoPlayerState } from "../VideoContext";
+
+interface BackdropControlProps {
+  children?: React.ReactNode;
+}
+
+export function BackdropControl(props: BackdropControlProps) {
+  const { videoState } = useVideoPlayerState();
+  const [moved, setMoved] = useState(false);
+  const timeout = useRef<ReturnType<typeof setTimeout> | null>(null);
+
+  const handleMouseMove = useCallback(() => {
+    setMoved(true);
+    if (timeout.current) clearTimeout(timeout.current);
+    timeout.current = setTimeout(() => {
+      setMoved(false);
+      timeout.current = null;
+    }, 3000);
+  }, [timeout, setMoved]);
+
+  const handleClick = useCallback(() => {
+    if (videoState.isPlaying) videoState.pause();
+    else videoState.play();
+  }, [videoState]);
+
+  const showUI = moved || videoState.isPaused;
+
+  return (
+    <div
+      className={`absolute inset-0 ${!showUI ? "cursor-none" : ""}`}
+      onMouseMove={handleMouseMove}
+      onClick={handleClick}
+    >
+      <div
+        className={`absolute inset-0 bg-black bg-opacity-20 transition-opacity duration-200 ${
+          !showUI ? "!opacity-0" : ""
+        }`}
+      />
+      <div
+        className={`absolute inset-x-0 bottom-0 h-[30%] bg-gradient-to-t from-black to-transparent opacity-75 transition-opacity duration-200 ${
+          !showUI ? "!opacity-0" : ""
+        }`}
+      />
+      <div
+        className={`absolute inset-x-0 top-0 h-[30%] bg-gradient-to-b from-black to-transparent opacity-75 transition-opacity duration-200 ${
+          !showUI ? "!opacity-0" : ""
+        }`}
+      />
+      <div className="absolute inset-0">{showUI ? props.children : null}</div>
+    </div>
+  );
+}
diff --git a/src/components/video/controls/ProgressControl.tsx b/src/components/video/controls/ProgressControl.tsx
index 98c0ee16..4d423845 100644
--- a/src/components/video/controls/ProgressControl.tsx
+++ b/src/components/video/controls/ProgressControl.tsx
@@ -1,34 +1,61 @@
-import { useCallback, useRef } from "react";
+import { useCallback, useEffect, useRef, useState } from "react";
 import { useVideoPlayerState } from "../VideoContext";
 
 export function ProgressControl() {
   const { videoState } = useVideoPlayerState();
   const ref = useRef<HTMLDivElement>(null);
+  const [mouseDown, setMouseDown] = useState<boolean>(false);
+  const [progress, setProgress] = useState<number>(0);
 
-  const watchProgress = `${(
+  let watchProgress = `${(
     (videoState.time / videoState.duration) *
     100
   ).toFixed(2)}%`;
+  if (mouseDown) watchProgress = `${progress}%`;
+
   const bufferProgress = `${(
     (videoState.buffered / videoState.duration) *
     100
   ).toFixed(2)}%`;
 
-  const handleClick = useCallback(
-    (e: React.MouseEvent<HTMLElement>) => {
+  useEffect(() => {
+    function mouseMove(ev: MouseEvent) {
+      if (!mouseDown || !ref.current) return;
+      const rect = ref.current.getBoundingClientRect();
+      const pos = ((ev.pageX - rect.left) / ref.current.offsetWidth) * 100;
+      setProgress(pos);
+    }
+
+    function mouseUp(ev: MouseEvent) {
+      if (!mouseDown) return;
+      setMouseDown(false);
+      document.body.removeAttribute("data-no-select");
+
       if (!ref.current) return;
       const rect = ref.current.getBoundingClientRect();
-      const pos = (e.pageX - rect.left) / ref.current.offsetWidth;
+      const pos = (ev.pageX - rect.left) / ref.current.offsetWidth;
       videoState.setTime(pos * videoState.duration);
-    },
-    [videoState, ref]
-  );
+    }
+
+    document.addEventListener("mousemove", mouseMove);
+    document.addEventListener("mouseup", mouseUp);
+
+    return () => {
+      document.removeEventListener("mousemove", mouseMove);
+      document.removeEventListener("mouseup", mouseUp);
+    };
+  }, [mouseDown, videoState]);
+
+  const handleMouseDown = useCallback(() => {
+    setMouseDown(true);
+    document.body.setAttribute("data-no-select", "true");
+  }, []);
 
   return (
     <div
       ref={ref}
       className="relative m-1 my-4 h-4 w-48 overflow-hidden rounded-full border border-white bg-denim-100"
-      onClick={handleClick}
+      onMouseDown={handleMouseDown}
     >
       <div
         className="absolute inset-y-0 left-0 bg-denim-700 opacity-50"
diff --git a/src/setup/index.css b/src/setup/index.css
index efc192db..b8e12018 100644
--- a/src/setup/index.css
+++ b/src/setup/index.css
@@ -12,3 +12,7 @@ body {
   min-height: 100vh;
   width: 100%;
 }
+
+body[data-no-select] {
+  user-select: none;
+}
diff --git a/src/views/TestView.tsx b/src/views/TestView.tsx
index bc0292a5..8c43c08b 100644
--- a/src/views/TestView.tsx
+++ b/src/views/TestView.tsx
@@ -1,28 +1,22 @@
-import { FullscreenControl } from "@/components/video/controls/FullscreenControl";
-import { LoadingControl } from "@/components/video/controls/LoadingControl";
-import { PauseControl } from "@/components/video/controls/PauseControl";
-import { ProgressControl } from "@/components/video/controls/ProgressControl";
 import { SourceControl } from "@/components/video/controls/SourceControl";
-import { TimeControl } from "@/components/video/controls/TimeControl";
-import { VolumeControl } from "@/components/video/controls/VolumeControl";
-import { VideoPlayer } from "@/components/video/VideoPlayer";
+import { DecoratedVideoPlayer } from "@/components/video/DecoratedVideoPlayer";
 import { useCallback, useState } from "react";
 
 // test videos: https://gist.github.com/jsturgis/3b19447b304616f18657
 
 // TODO video todos:
 //  - make pretty
-//  - better seeking
 //  - improve seekables
 //  - error handling
-//  - middle pause button + click to pause
+//  - middle pause button
 //  - improve pausing while seeking/buffering
 //  - captions
+//  - backdrop better click handling
 //  - IOS support: (no volume, fullscreen video element instead of wrapper)
 //  - IpadOS support: (fullscreen video wrapper should work, see (lookmovie.io) )
 //  - HLS support: feature detection otherwise use HLS.js
 export function TestView() {
-  const [show, setShow] = useState(false);
+  const [show, setShow] = useState(true);
   const handleClick = useCallback(() => {
     setShow((v) => !v);
   }, [setShow]);
@@ -33,15 +27,9 @@ export function TestView() {
 
   return (
     <div className="w-[40rem] max-w-full">
-      <VideoPlayer autoPlay>
-        <PauseControl />
-        <FullscreenControl />
-        <ProgressControl />
-        <VolumeControl />
-        <LoadingControl />
-        <TimeControl />
+      <DecoratedVideoPlayer>
         <SourceControl source="http://commondatastorage.googleapis.com/gtv-videos-bucket/sample/Sintel.mp4" />
-      </VideoPlayer>
+      </DecoratedVideoPlayer>
     </div>
   );
 }