From 04597908a5216aae59dd5c95a00b55728663509c Mon Sep 17 00:00:00 2001
From: Gabe Kangas <gabek@real-ity.com>
Date: Thu, 2 Jun 2022 13:50:16 -0700
Subject: [PATCH] Add keyboard shortcuts for player controls. For #1892

---
 web/components/video/OwncastPlayer.tsx | 47 ++++++++++++++++++++++++++
 web/package-lock.json                  | 31 +++++++++++++++++
 web/package.json                       |  1 +
 3 files changed, 79 insertions(+)

diff --git a/web/components/video/OwncastPlayer.tsx b/web/components/video/OwncastPlayer.tsx
index d0aebbc62..3a8d26263 100644
--- a/web/components/video/OwncastPlayer.tsx
+++ b/web/components/video/OwncastPlayer.tsx
@@ -1,5 +1,6 @@
 import React from 'react';
 import { useRecoilState } from 'recoil';
+import { useHotkeys } from 'react-hotkeys-hook';
 import VideoJS from './player';
 import ViewerPing from './viewer-ping';
 import VideoPoster from './VideoPoster';
@@ -32,6 +33,52 @@ export default function OwncastPlayer(props: Props) {
     setLocalStorage(PLAYER_VOLUME, playerRef.current.muted() ? 0 : playerRef.current.volume());
   };
 
+  const togglePlayback = () => {
+    if (playerRef.current.paused()) {
+      playerRef.current.play();
+    } else {
+      playerRef.current.pause();
+    }
+  };
+
+  const toggleMute = () => {
+    if (playerRef.current.muted() || playerRef.current.volume() === 0) {
+      playerRef.current.volume(0.7);
+    } else {
+      playerRef.current.volume(0);
+    }
+  };
+
+  const toggleFullScreen = () => {
+    if (playerRef.current.isFullscreen()) {
+      playerRef.current.exitFullscreen();
+    } else {
+      playerRef.current.requestFullscreen();
+    }
+  };
+
+  // Register keyboard shortcut for the space bar to toggle playback
+  useHotkeys('space', togglePlayback, {
+    enableOnContentEditable: false,
+  });
+
+  // Register keyboard shortcut for f to toggle full screen
+  useHotkeys('f', toggleFullScreen, {
+    enableOnContentEditable: false,
+  });
+
+  // Register keyboard shortcut for the "m" key to toggle mute
+  useHotkeys('m', toggleMute, {
+    enableOnContentEditable: false,
+  });
+
+  useHotkeys('0', () => playerRef.current.volume(playerRef.current.volume() + 0.1), {
+    enableOnContentEditable: false,
+  });
+  useHotkeys('9', () => playerRef.current.volume(playerRef.current.volume() - 0.1), {
+    enableOnContentEditable: false,
+  });
+
   const videoJsOptions = {
     autoplay: false,
     controls: true,
diff --git a/web/package-lock.json b/web/package-lock.json
index 4ee1f32a0..12f0ff0ef 100644
--- a/web/package-lock.json
+++ b/web/package-lock.json
@@ -32,6 +32,7 @@
         "react-contenteditable": "^3.3.6",
         "react-crossfade-img": "^1.0.0",
         "react-dom": "17.0.2",
+        "react-hotkeys-hook": "^3.4.6",
         "react-linkify": "1.0.0-alpha",
         "react-markdown": "8.0.0",
         "react-markdown-editor-lite": "1.3.2",
@@ -19401,6 +19402,11 @@
       "resolved": "https://registry.npmjs.org/hosted-git-info/-/hosted-git-info-2.8.9.tgz",
       "integrity": "sha512-mxIDAb9Lsm6DoOJ7xH+5+X4y1LU/4Hi50L9C5sIswK3JzULS4bwk1FvjdBgvYR4bzT4tuUQiC15FE2f5HbLvYw=="
     },
+    "node_modules/hotkeys-js": {
+      "version": "3.9.3",
+      "resolved": "https://registry.npmjs.org/hotkeys-js/-/hotkeys-js-3.9.3.tgz",
+      "integrity": "sha512-s+f0xyvDmf6+DyrFQ2SY+eA7lbvMbjqkqi0I0SpMgnN5tZx7DeH8nsWhkJR4KEq3pxDPHJppDUhdt1rZFW5LeQ=="
+    },
     "node_modules/html-encoding-sniffer": {
       "version": "2.0.1",
       "resolved": "https://registry.npmjs.org/html-encoding-sniffer/-/html-encoding-sniffer-2.0.1.tgz",
@@ -27282,6 +27288,18 @@
         "react-dom": "^16.6.0 || ^17.0.0 || ^18.0.0"
       }
     },
+    "node_modules/react-hotkeys-hook": {
+      "version": "3.4.6",
+      "resolved": "https://registry.npmjs.org/react-hotkeys-hook/-/react-hotkeys-hook-3.4.6.tgz",
+      "integrity": "sha512-SiGKHnauaAQglRA7qeiW5LTa0KoT2ssv8YGYKZQoM3P9v5JFEHJdXOSFml1N6K86oKQ8dLCLlxqBqGlSJWGmxQ==",
+      "dependencies": {
+        "hotkeys-js": "3.9.3"
+      },
+      "peerDependencies": {
+        "react": ">=16.8.1",
+        "react-dom": ">=16.8.1"
+      }
+    },
     "node_modules/react-inspector": {
       "version": "5.1.1",
       "resolved": "https://registry.npmjs.org/react-inspector/-/react-inspector-5.1.1.tgz",
@@ -47389,6 +47407,11 @@
       "resolved": "https://registry.npmjs.org/hosted-git-info/-/hosted-git-info-2.8.9.tgz",
       "integrity": "sha512-mxIDAb9Lsm6DoOJ7xH+5+X4y1LU/4Hi50L9C5sIswK3JzULS4bwk1FvjdBgvYR4bzT4tuUQiC15FE2f5HbLvYw=="
     },
+    "hotkeys-js": {
+      "version": "3.9.3",
+      "resolved": "https://registry.npmjs.org/hotkeys-js/-/hotkeys-js-3.9.3.tgz",
+      "integrity": "sha512-s+f0xyvDmf6+DyrFQ2SY+eA7lbvMbjqkqi0I0SpMgnN5tZx7DeH8nsWhkJR4KEq3pxDPHJppDUhdt1rZFW5LeQ=="
+    },
     "html-encoding-sniffer": {
       "version": "2.0.1",
       "resolved": "https://registry.npmjs.org/html-encoding-sniffer/-/html-encoding-sniffer-2.0.1.tgz",
@@ -53365,6 +53388,14 @@
         "shallowequal": "^1.1.0"
       }
     },
+    "react-hotkeys-hook": {
+      "version": "3.4.6",
+      "resolved": "https://registry.npmjs.org/react-hotkeys-hook/-/react-hotkeys-hook-3.4.6.tgz",
+      "integrity": "sha512-SiGKHnauaAQglRA7qeiW5LTa0KoT2ssv8YGYKZQoM3P9v5JFEHJdXOSFml1N6K86oKQ8dLCLlxqBqGlSJWGmxQ==",
+      "requires": {
+        "hotkeys-js": "3.9.3"
+      }
+    },
     "react-inspector": {
       "version": "5.1.1",
       "resolved": "https://registry.npmjs.org/react-inspector/-/react-inspector-5.1.1.tgz",
diff --git a/web/package.json b/web/package.json
index fe48813f4..746486bbe 100644
--- a/web/package.json
+++ b/web/package.json
@@ -36,6 +36,7 @@
     "react-contenteditable": "^3.3.6",
     "react-crossfade-img": "^1.0.0",
     "react-dom": "17.0.2",
+    "react-hotkeys-hook": "^3.4.6",
     "react-linkify": "1.0.0-alpha",
     "react-markdown": "8.0.0",
     "react-markdown-editor-lite": "1.3.2",