Stop music playback on popup close, if possible

js/background.js

@@ -57,6 +57,16 @@ chrome.tabs.onActivated.addListener(function (activeInfo) {
     })
 })
 
+// Listen for pause/play commands from popup
+chrome.runtime.onMessage.addListener(function (request) {
+    if (request === 'pause') {
+        themeAudio.src = ''
+    } else if (request === 'play') {
+        themeAudio.src = currentMusic
+        themeAudio.play()
+    }
+})
+
 // Show notification on extension install
 chrome.runtime.onInstalled.addListener(function () {
     // Set most options

js/popup.js

@@ -13,6 +13,12 @@ chrome.storage.local.get(function (data) {
 // Button link functionality
 document.querySelectorAll('button[data-link]').forEach(function (el) {
     el.addEventListener('click', function () {
-      chrome.tabs.create({ url: el.getAttribute('data-link') })
+        chrome.tabs.create({ url: el.getAttribute('data-link') })
     })
-  })
+})
+
+// Pause music when page closes
+// This only works on the popup opened from the notification, not the browserAction button
+window.addEventListener("beforeunload", function (e) {
+    chrome.runtime.sendMessage('pause')
+}, false)