From 891e17c44c9a8ff8b2c794f534018f727dd25d5d Mon Sep 17 00:00:00 2001
From: kumavis <aaron@kumavis.me>
Date: Fri, 2 Sep 2016 13:29:47 -0700
Subject: notif - use standard err-first callback style

---
 app/scripts/lib/notifications.js | 42 +++++++++++++++++++++++-----------------
 1 file changed, 24 insertions(+), 18 deletions(-)

(limited to 'app/scripts/lib')

diff --git a/app/scripts/lib/notifications.js b/app/scripts/lib/notifications.js
index df4fe73dd..4e3f7558c 100644
--- a/app/scripts/lib/notifications.js
+++ b/app/scripts/lib/notifications.js
@@ -9,20 +9,26 @@ module.exports = notifications
 window.METAMASK_NOTIFIER = notifications
 
 function show () {
-  getWindows((windows) => {
+  getPopup((err, popup) => {
+    if (err) throw err
 
-    if (windows.length > 0) {
-      const win = windows[0]
-      return extension.windows.update(win.id, { focused: true })
-    }
+    if (popup) {
+
+      // bring focus to existing popup
+      extension.windows.update(popup.id, { focused: true })
+
+    } else {
 
-    extension.windows.create({
-      url: 'notification.html',
-      type: 'popup',
-      focused: true,
-      width: 360,
-      height: 500,
-    })
+      // create new popup
+      extension.windows.create({
+        url: 'notification.html',
+        type: 'popup',
+        focused: true,
+        width: 360,
+        height: 500,
+      })
+
+    }
   })
 }
 
@@ -38,19 +44,19 @@ function getWindows(cb) {
 }
 
 function getPopup(cb) {
-  getWindows((windows) => {
-    cb(getPopupIn(windows))
+  getWindows((err, windows) => {
+    if (err) throw err
+    cb(null, getPopupIn(windows))
   })
 }
 
 function getPopupIn(windows) {
-  return windows ? windows.find((win) => {
-    return win.type === 'popup'
-  }) : null
+  return windows ? windows.find((win) => win.type === 'popup') : null
 }
 
 function closePopup() {
-  getPopup((popup) => {
+  getPopup((err, popup) => {
+    if (err) throw err
     if (!popup) return
     extension.windows.remove(popup.id, console.error)
   })
-- 
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