From 3d603b84d48b17a07ec2e86c7c518127eff91b9f Mon Sep 17 00:00:00 2001
From: kkapsner <github@mail.kkapsner.de>
Date: Sun, 30 Jan 2022 17:50:59 +0100
Subject: [PATCH] Added notice when dom.webAudio.enabled is set to false

Fixes #592
---
 _locales/en/messages.json |  4 +++
 options/options.css       |  2 +-
 options/options.js        | 54 +++++++++++++++++++++++----------------
 releaseNotes.txt          |  1 +
 4 files changed, 38 insertions(+), 23 deletions(-)

diff --git a/_locales/en/messages.json b/_locales/en/messages.json
index 0ceb0b7..6044a19 100644
--- a/_locales/en/messages.json
+++ b/_locales/en/messages.json
@@ -100,6 +100,10 @@
 		"message": "You have privacy.resistFingerprinting enabled. This slightly changes the behaviour of CanvasBlocker. See further information {link:here:https://github.com/kkapsner/CanvasBlocker/issues/158} and {link:here:https://github.com/ghacksuserjs/ghacks-user.js/issues/767}.",
 		"description": ""
 	},
+	"settingsNotice.dom.webAudio.enabled": {
+		"message": "You have dom.webAudio.enabled disabled. This makes you more trackable as very few people do this.",
+		"description": ""
+	},
 	"openInTab": {
 		"message": "Open in separate tab",
 		"description": ""
diff --git a/options/options.css b/options/options.css
index 780aba3..8250bdf 100644
--- a/options/options.css
+++ b/options/options.css
@@ -37,7 +37,7 @@ header .bookmarkNotice .dontShowOptionsOnUpdate input {
 	vertical-align: sub;
 }
 
-.resistFingerprintingNotice {
+.resistFingerprintingNotice, .settingsNotice {
 	margin: 0.5em 0;
 	padding: 0.5em;
 	border: 1px solid var(--input-error-background-color);
diff --git a/options/options.js b/options/options.js
index e0507a9..d3888c3 100644
--- a/options/options.js
+++ b/options/options.js
@@ -234,28 +234,38 @@
 	groupTabs.classList = "groupTabs";
 	document.body.appendChild(groupTabs);
 	
-	if (
-		browser.privacy &&
-		browser.privacy.websites &&
-		browser.privacy.websites.resistFingerprinting &&
-		browser.privacy.websites.resistFingerprinting.get
-	){
-		browser.privacy.websites.resistFingerprinting.get({}).then(function({value}){
-			if (value){
-				const rfpNotice = document.createElement("div");
-				rfpNotice.className = "resistFingerprintingNotice";
-				rfpNotice.appendChild(
-					extension.parseTranslation(
-						extension.getTranslation("resistFingerprintingNotice")
-					)
-				);
-				document.body.insertBefore(rfpNotice, groupTabs);
-			}
-			return undefined;
-		}).catch(function(error){
-			logging.warning("Unable to read resistFingerprinting:", error);
-		});
-	}
+	[
+		{
+			check: async function(){
+				if (
+					browser.privacy &&
+					browser.privacy.websites &&
+					browser.privacy.websites.resistFingerprinting &&
+					browser.privacy.websites.resistFingerprinting.get
+				){
+					return (await browser.privacy.websites.resistFingerprinting.get({})).value;
+				}
+				return false;
+			},
+			className: "resistFingerprintingNotice",
+			text: "resistFingerprintingNotice"
+		},
+		{
+			check: () => !window.AudioContext,
+			text: "settingsNotice.dom.webAudio.enabled"
+		},
+	].forEach(async function(settingsCheck){
+		if (await settingsCheck.check()){
+			const settingsNotice = document.createElement("div");
+			settingsNotice.className = settingsCheck.className || "settingsNotice";
+			settingsNotice.appendChild(
+				extension.parseTranslation(
+					extension.getTranslation(settingsCheck.text)
+				)
+			);
+			document.body.insertBefore(settingsNotice, groupTabs);
+		}
+	});
 	
 	const groups = document.createElement("ul");
 	groups.className = "groups";
diff --git a/releaseNotes.txt b/releaseNotes.txt
index e585ad7..97bb9e7 100644
--- a/releaseNotes.txt
+++ b/releaseNotes.txt
@@ -4,6 +4,7 @@ Version 1.8:
 	
 	new features:
 		- added SVG protection
+		- added notice when dom.webAudio.enabled is set to false
 	
 	fixes:
 		- errors in URL regular expressions broke CB