Merge pull request #3656 from MetaMask/trigun0x2-master2

Prevent batch request from opening multiple windows (3)

app/scripts/background.js

@@ -42,6 +42,7 @@ const isIE = !!document.documentMode
 const isEdge = !isIE && !!window.StyleMedia
 
 let popupIsOpen = false
+let notificationIsOpen = false
 let openMetamaskTabsIDs = {}
 
 // state persistence
@@ -165,6 +166,11 @@ function setupController (initState) {
           }
         })
       }
+      if (remotePort.name === 'notification') {
+        endOfStream(portStream, () => {
+          notificationIsOpen = false
+        })
+      }
     } else {
       // communication with page
       const originDomain = urlUtil.parse(remotePort.sender.url).hostname
@@ -207,7 +213,8 @@ function setupController (initState) {
 function triggerUi () {
   extension.tabs.query({ active: true }, (tabs) => {
     const currentlyActiveMetamaskTab = tabs.find(tab => openMetamaskTabsIDs[tab.id])
-    if (!popupIsOpen && !currentlyActiveMetamaskTab) notificationManager.showPopup()
+    if (!popupIsOpen && !currentlyActiveMetamaskTab && !notificationIsOpen) notificationManager.showPopup()
+    notificationIsOpen = true
   })
 }
 

app/scripts/lib/notification-manager.js

@@ -13,11 +13,12 @@ class NotificationManager {
     this._getPopup((err, popup) => {
       if (err) throw err
 
+      // Bring focus to chrome popup
       if (popup) {
-        // bring focus to existing popup
+        // bring focus to existing chrome popup
         extension.windows.update(popup.id, { focused: true })
       } else {
-        // create new popup
+        // create new notification popup
         extension.windows.create({
           url: 'notification.html',
           type: 'popup',
@@ -29,6 +30,7 @@ class NotificationManager {
   }
 
   closePopup () {
+    // closes notification popup
     this._getPopup((err, popup) => {
       if (err) throw err
       if (!popup) return
@@ -60,9 +62,8 @@ class NotificationManager {
 
   _getPopupIn (windows) {
     return windows ? windows.find((win) => {
-      return (win && win.type === 'popup' &&
-        win.height === height &&
-        win.width === width)
+      // Returns notification popup
+      return (win && win.type === 'popup')
     }) : null
   }
 

app/scripts/popup.js

@@ -65,6 +65,7 @@ startPopup({ container, connectionStream }, (err, store) => {
 
 function closePopupIfOpen (windowType) {
   if (windowType !== 'notification') {
+    // should close only chrome popup
     notificationManager.closePopup()
   }
 }