Add files via upload

Author: NyeUsr

background.js

@@ -0,0 +1,18 @@
+chrome.runtime.onMessage.addListener((message, sender, sendResponse) => {
+  const tabId = sender.tab.id;
+  let title = message;
+  let icon;
+
+  if (message === "h2") {
+    title = "HTTP/2";
+    icon = "h2";
+  } else if (message.startsWith("h3")) {
+    title = "HTTP/3"
+    icon = "h3";
+  } else {
+    icon = "h1";
+  }
+
+  browser.pageAction.setIcon({ path: "icons/" + icon + ".png", tabId });
+  browser.pageAction.setTitle({ tabId, title });
+});

content-script.js

@@ -0,0 +1,3 @@
+chrome.runtime.sendMessage(
+  performance.getEntriesByType("navigation")[0].nextHopProtocol
+);

icons/default.png

@@ -0,0 +1,27 @@
+{
+  "manifest_version": 2,
+  "name": "HTTP Version Indicator",
+  "version": "1.0.1",
+  "description": "Indicate the HTTP version for the current page.",
+  "icons": {
+    "128": "icons/default.png"
+  },
+  "background": {
+    "persistent": false,
+    "scripts": ["background.js"]
+  },
+  "content_scripts": [
+    {
+      "matches": ["<all_urls>"],
+      "js": ["content-script.js"],
+      "run_at": "document_end"
+    }
+  ],
+"page_action": {
+	"browser_style": true,
+	"default_icon": "icons/default.png",
+	"default_title": "HTTP Version Unknown",
+	"show_matches": ["http://*/*", "https://*/*"],
+	"hide_matches": ["https://addons.mozilla.org/*", "https://accounts.firefox.com/*"]
+ }
+}