From bde157b0850d0b8723a917f5b2c1142f2d86e901 Mon Sep 17 00:00:00 2001
From: Abe Jellinek <jellinek@berkeley.edu>
Date: Tue, 11 Oct 2022 11:59:33 -0400
Subject: [PATCH] fx-compat: Automatically register plugin l10n sources (#2863)

Fixes #2837
---
 chrome/content/zotero/xpcom/intl.js | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)

diff --git a/chrome/content/zotero/xpcom/intl.js b/chrome/content/zotero/xpcom/intl.js
index a09560ae19..31f73a47c3 100644
--- a/chrome/content/zotero/xpcom/intl.js
+++ b/chrome/content/zotero/xpcom/intl.js
@@ -85,6 +85,30 @@ Zotero.Intl = new function () {
 				this.strings[regexpResult[1]] = regexpResult[2];
 			}
 		}
+		
+		// Automatically register l10n sources for enabled plugins.
+		
+		// A Fluent file located at
+		//   [plugin root]/locale/en-US/make-it-red.ftl
+		// could be included in an XHTML file as
+		//   <link rel="localization" href="make-it-red.ftl"/>
+		
+		// If a plugin doesn't have a subdirectory for the active locale, en-US strings
+		// will be used as a fallback.
+		Zotero.Plugins.addObserver({
+			startup({ id: pluginID, rootURI }) {
+				let source = new L10nFileSource(
+					pluginID, 'app',
+					Services.locale.availableLocales,
+					rootURI + 'locale/{locale}/',
+				);
+				L10nRegistry.getInstance().registerSources([source]);
+			},
+			
+			shutdown({ id: pluginID }) {
+				L10nRegistry.getInstance().removeSources([pluginID]);
+			}
+		});
 	};