From 0eb393dc4bebc18ad9ae72c43a8eb5aa7e58231f Mon Sep 17 00:00:00 2001
From: Dmitry Lyzo <ashephard0@gmail.com>
Date: Sun, 22 Jan 2023 14:08:05 -0500
Subject: [PATCH] Backport pull request #4274 from jellyfin/release-10.8.z

Fix back action on Hisense TV

Original-merge: 0ff86d9ea026ece61ab07846e99ff4d23b235405

Merged-by: Joshua M. Boniface <joshua@boniface.me>

Backported-by: Joshua M. Boniface <joshua@boniface.me>
---
 src/scripts/browser.js            |  2 ++
 src/scripts/keyboardNavigation.js | 10 ++++++++++
 2 files changed, 12 insertions(+)

diff --git a/src/scripts/browser.js b/src/scripts/browser.js
index fe0601fc97..2a28130150 100644
--- a/src/scripts/browser.js
+++ b/src/scripts/browser.js
@@ -282,7 +282,9 @@ if (userAgent.toLowerCase().indexOf('xbox') !== -1) {
     browser.tv = true;
 }
 browser.animate = typeof document !== 'undefined' && document.documentElement.animate != null;
+browser.hisense = userAgent.toLowerCase().includes('hisense');
 browser.tizen = userAgent.toLowerCase().indexOf('tizen') !== -1 || window.tizen != null;
+browser.vidaa = userAgent.toLowerCase().includes('vidaa');
 browser.web0s = isWeb0s();
 browser.edgeUwp = browser.edge && (userAgent.toLowerCase().indexOf('msapphost') !== -1 || userAgent.toLowerCase().indexOf('webview') !== -1);
 
diff --git a/src/scripts/keyboardNavigation.js b/src/scripts/keyboardNavigation.js
index 3ec0299cc9..feef180630 100644
--- a/src/scripts/keyboardNavigation.js
+++ b/src/scripts/keyboardNavigation.js
@@ -3,6 +3,7 @@
  * @module components/input/keyboardnavigation
  */
 
+import browser from './browser';
 import inputManager from './inputManager';
 import layoutManager from '../components/layoutManager';
 import appSettings from './settings/appSettings';
@@ -120,6 +121,15 @@ export function enable() {
                 inputManager.handleCommand('back');
                 break;
 
+            // HACK: Hisense TV (VIDAA OS) uses Backspace for Back action
+            case 'Backspace':
+                if (browser.tv && browser.hisense && browser.vidaa) {
+                    inputManager.handleCommand('back');
+                } else {
+                    capture = false;
+                }
+                break;
+
             case 'Escape':
                 if (layoutManager.tv) {
                     inputManager.handleCommand('back');