Add tray icon for linux (Ubuntu ambiance style for now).

src/browser/index.jsx

@@ -486,6 +486,21 @@ var showUnreadBadgeOSX = function(unreadCount, mentionCount) {
   });
 }
 
+var showUnreadBadgeLinux = function(unreadCount, mentionCount) {
+  /*if (mentionCount > 0) {
+    remote.app.dock.setBadge(mentionCount.toString());
+  } else if (unreadCount > 0) {
+    remote.app.dock.setBadge('•');
+  } else {
+    remote.app.dock.setBadge('');
+  }*/
+
+  electron.ipcRenderer.send('update-unread', {
+    unreadCount: unreadCount,
+    mentionCount: mentionCount
+  });
+}
+
 var showUnreadBadge = function(unreadCount, mentionCount) {
   switch (process.platform) {
     case 'win32':
@@ -494,6 +509,10 @@ var showUnreadBadge = function(unreadCount, mentionCount) {
     case 'darwin':
       showUnreadBadgeOSX(unreadCount, mentionCount);
       break;
+    case 'linux':
+      console.log(unreadCount);
+      showUnreadBadgeLinux(unreadCount, mentionCount);
+      break;
     default:
   }
 }

src/main.js

@@ -63,6 +63,12 @@ const trayImages = function() {
         unread: nativeImage.createFromPath(path.resolve(__dirname, 'resources/osx/MenuIconUnreadTemplate.png')),
         mention: nativeImage.createFromPath(path.resolve(__dirname, 'resources/osx/MenuIconMentionTemplate.png'))
       };
+    case 'linux':
+    return {
+      normal: nativeImage.createFromPath(path.resolve(__dirname, 'resources/linux/light/MenuIconTemplate.png')),
+      unread: nativeImage.createFromPath(path.resolve(__dirname, 'resources/linux/light/MenuIconUnreadTemplate.png')),
+      mention: nativeImage.createFromPath(path.resolve(__dirname, 'resources/linux/light/MenuIconMentionTemplate.png'))
+    };
     default:
       return {};
   }
@@ -73,7 +79,7 @@ function shouldShowTrayIcon() {
   if (process.platform === 'win32') {
     return true;
   }
-  if (process.platform === 'darwin' && config.showTrayIcon === true) {
+  if (['darwin', 'linux'].includes(process.platform) && config.showTrayIcon === true) {
     return true;
   }
   return false;