From c5081a0747f33de947c2a27bb9a196177f1d294f Mon Sep 17 00:00:00 2001
From: Jeremy Schomery <jeremy.schomery@yahoo.com>
Date: Mon, 15 May 2017 17:16:09 +0430
Subject: [PATCH] Fixes communication issue with US.o on Vivaldi browser

---
 install.js | 14 ++++++++++++--
 1 file changed, 12 insertions(+), 2 deletions(-)

diff --git a/install.js b/install.js
index bdccb6cd..76626cba 100644
--- a/install.js
+++ b/install.js
@@ -1,9 +1,16 @@
 'use strict';
 
 const FIREFOX = /Firefox/.test(navigator.userAgent);
+const VIVALDI = /Vivaldi/.test(navigator.userAgent);
+const OPERA = /OPR/.test(navigator.userAgent);
 
-document.addEventListener("stylishUpdate" + (FIREFOX ? "" : "Chrome"), onUpdateClicked);
-document.addEventListener("stylishInstall" + (FIREFOX ? "" : "Chrome"), onInstallClicked);
+document.addEventListener("stylishUpdate", onUpdateClicked);
+document.addEventListener("stylishUpdateChrome", onUpdateClicked);
+document.addEventListener("stylishUpdateOpera", onUpdateClicked);
+
+document.addEventListener("stylishInstall", onInstallClicked);
+document.addEventListener("stylishInstallChrome", onInstallClicked);
+document.addEventListener("stylishInstallOpera", onInstallClicked);
 
 chrome.runtime.onMessage.addListener((msg, sender, sendResponse) => {
   // orphaned content script check
@@ -57,6 +64,9 @@ function sendEvent(type, detail = null) {
   if (FIREFOX) {
     type = type.replace('Chrome', '');
   }
+  else if (OPERA || VIVALDI) {
+    type = type.replace('Chrome', 'Opera');
+  }
   detail = {detail};
   if (typeof cloneInto != 'undefined') {
     // Firefox requires explicit cloning, however USO can't process our messages anyway