From 8383bfa313bfa830297af95fb95e241172c2c8a4 Mon Sep 17 00:00:00 2001
From: Lawrence Hook <lawrencehook@gmail.com>
Date: Sun, 6 Nov 2022 17:56:29 -0500
Subject: [PATCH] Add an option to disable autoplay for playlists

---
 src/js/background/main.js |  6 ++++++
 src/js/content-script.js  | 38 +++++++++++++++++++++++++++++++-------
 src/manifest.json         |  2 +-
 3 files changed, 38 insertions(+), 8 deletions(-)

diff --git a/src/js/background/main.js b/src/js/background/main.js
index ba731b3..2b030b3 100644
--- a/src/js/background/main.js
+++ b/src/js/background/main.js
@@ -134,6 +134,11 @@ const SECTIONS = [
         id: "disable_autoplay",
         defaultValue: true
       },
+      {
+        name: "Disable autoplay for playlists",
+        id: "disable_playlist_autoplay",
+        defaultValue: true
+      },
       {
         name: "Redirect shorts to the default viewer",
         tags: "Redirects, Basic",
@@ -381,6 +386,7 @@ browser.runtime.onMessage.addListener((data, sender) => {
       const { frameId, tab } = sender;
       browser.storage.local.get(localSettings => {
         const settings = { ...DEFAULT_SETTINGS, ...localSettings };
+
         browser.tabs.sendMessage(tab.id, { settings }, {});
 
         // Gray out browserAction
diff --git a/src/js/content-script.js b/src/js/content-script.js
index 66aa474..1a5f7d1 100644
--- a/src/js/content-script.js
+++ b/src/js/content-script.js
@@ -56,11 +56,9 @@ document.addEventListener("DOMContentLoaded", event => {
   counter = 0;
   theaterClicked = false;
   hyper = false;
-  originalPlayback = undefined;
-  originalMuted = undefined;
   onResultsPage = resultsPageRegex.test(location.href);
 
-  requestRunDynamicSettings()
+  handleNewPage();
 });
 
 // let lastRun = Date.now();
@@ -83,10 +81,8 @@ function runDynamicSettings() {
     url = location.href;
     theaterClicked = false;
     hyper = false;
-    originalPlayback = undefined;
-    originalMuted = undefined;
     onResultsPage = resultsPageRegex.test(location.href);
-    handleUrlChange();
+    handleNewPage();
   }
 
   // Mark the left nav bar sections
@@ -246,7 +242,34 @@ function runDynamicSettings() {
 }
 
 
-function handleUrlChange() {
+function injectScripts() {
+
+  // Disable playlist autoplay
+  if (cache['disable_playlist_autoplay']) {
+    const existingScript = document.querySelector('script[id="disable_playlist_autoplay"]')
+    if (existingScript) return;
+
+    const script = document.createElement("script");
+    script.id = 'disable_playlist_autoplay';
+    script.type = "text/javascript";
+    script.innerText = `
+(function() {
+let pm;
+function f() {
+  if (!pm) pm = document.querySelector('yt-playlist-manager');
+  if (pm) pm.canAutoAdvance_ = false;
+}
+f();
+setInterval(f, 100);
+})()
+`;
+    document.body?.appendChild(script);
+  }
+
+}
+
+
+function handleNewPage() {
   if (cache['global_enable'] !== true) return;
 
   dynamicIters = 0;
@@ -275,6 +298,7 @@ function handleUrlChange() {
     location.replace(newUrl);
   }
 
+  injectScripts();
   requestRunDynamicSettings();
 }
 
diff --git a/src/manifest.json b/src/manifest.json
index 9ec6716..081d422 100644
--- a/src/manifest.json
+++ b/src/manifest.json
@@ -3,7 +3,7 @@
   "description": "Spend less time on YouTube. Customize YouTube's user interface to be less engaging.",
   "homepage_url": "https://github.com/lawrencehook/remove-youtube-suggestions",
   "manifest_version": 2,
-  "version": "4.3.14",
+  "version": "4.3.15",
 
   "icons": {
     "16": "images/16.png",