From 63fe18a7613d561088287ae61c1b00ca83d885ca Mon Sep 17 00:00:00 2001
From: Raymond Hill <rhill@raymondhill.net>
Date: Thu, 11 Jan 2024 13:25:19 -0500
Subject: [PATCH] Do not exceed rate-limited calls to handlerBehaviorChanged()

Related issue:
https://github.com/uBlockOrigin/uBlock-issues/issues/3063

To prevent spurious performance warnings by chromium-based browsers.
---
 src/js/broadcast.js | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/src/js/broadcast.js b/src/js/broadcast.js
index 0bef46c0e..d4293ceb3 100644
--- a/src/js/broadcast.js
+++ b/src/js/broadcast.js
@@ -69,7 +69,19 @@ export function filteringBehaviorChanged(details = {}) {
 }
 
 filteringBehaviorChanged.throttle = vAPI.defer.create(( ) => {
+    const { history, max } = filteringBehaviorChanged;
+    const now = (Date.now() / 1000) | 0;
+    if ( history.length >= max ) {
+        if ( (now - history[0]) <= (10 * 60) ) { return; }
+        history.shift();
+    }
+    history.push(now);
     vAPI.net.handlerBehaviorChanged();
 });
+filteringBehaviorChanged.history = [];
+filteringBehaviorChanged.max = Math.min(
+    browser.webRequest.MAX_HANDLER_BEHAVIOR_CHANGED_CALLS_PER_10_MINUTES - 1,
+    19
+);
 
 /******************************************************************************/