Improve support for frames in Firefox (#285)

package.json

@@ -39,6 +39,7 @@
 		"@parcel/config-webextension": "^2.8.3",
 		"dot-json": "^1.2.2",
 		"parcel": "^2.8.3",
+		"webext-domain-permission-toggle": "^4.0.1",
 		"xo": "^0.53.1"
 	},
 	"engines": {

source/background.js

@@ -1,7 +1,20 @@
+import addDomainPermissionToggle from 'webext-domain-permission-toggle';
 import browser from 'webextension-polyfill';
 import oneEvent from 'one-event';
 import optionsStorage from './options-storage.js';
 
+// Firefox hates iframes on activeTab
+// https://bugzilla.mozilla.org/show_bug.cgi?id=1653408
+// https://github.com/fregante/GhostText/pull/285
+if (navigator.userAgent.includes('Firefox/')) {
+	// eslint-disable-next-line unicorn/prefer-top-level-await -- I specifically want to not stop the extension in case of errors
+	(async () => {
+		addDomainPermissionToggle({
+			title: 'Grant access to iframes',
+		});
+	})();
+}
+
 function stopGT(tab) {
 	chrome.tabs.executeScript(tab.id, {
 		code: 'stopGT()',

source/manifest.json

@@ -19,6 +19,9 @@
 		"http://localhost/",
 		"storage"
 	],
+	"optional_permissions": [
+		"*://*/*"
+	],
 	"applications": {
 		"gecko": {
 			"id": "[email protected]",