Show unread count in window title.

Evergreen/MainWindow/MainWindowController.swift

@@ -17,6 +17,13 @@ class MainWindowController : NSWindowController, NSUserInterfaceValidations {
     // MARK: NSWindowController
 
 	private let windowAutosaveName = NSWindow.FrameAutosaveName(rawValue: kWindowFrameKey)
+	private var unreadCount: Int = 0 {
+		didSet {
+			if unreadCount != oldValue {
+				updateWindowTitle()
+			}
+		}
+	}
 
     override func windowDidLoad() {
         
@@ -33,7 +40,13 @@ class MainWindowController : NSWindowController, NSUserInterfaceValidations {
 		NotificationCenter.default.addObserver(self, selector: #selector(refreshProgressDidChange(_:)), name: .AccountRefreshDidBegin, object: nil)
 		NotificationCenter.default.addObserver(self, selector: #selector(refreshProgressDidChange(_:)), name: .AccountRefreshDidFinish, object: nil)
 		NotificationCenter.default.addObserver(self, selector: #selector(refreshProgressDidChange(_:)), name: .AccountRefreshProgressDidChange, object: nil)
+
+		NotificationCenter.default.addObserver(self, selector: #selector(unreadCountDidChange(_:)), name: .UnreadCountDidChange, object: nil)
+
+		DispatchQueue.main.async {
+			self.updateWindowTitle()
 		}
+	}
 	
     // MARK: Notifications
     
@@ -58,7 +71,14 @@ class MainWindowController : NSWindowController, NSUserInterfaceValidations {
 		
 		rs_performSelectorCoalesced(#selector(MainWindowController.makeToolbarValidate(_:)), with: nil, afterDelay: 0.1)
 	}
-	
+
+	@objc func unreadCountDidChange(_ note: Notification) {
+
+		if note.object is AccountManager {
+			unreadCount = AccountManager.shared.unreadCount
+		}
+	}
+
 	// MARK: Toolbar
 	
 	@objc func makeToolbarValidate(_ sender: Any) {
@@ -101,6 +121,7 @@ class MainWindowController : NSWindowController, NSUserInterfaceValidations {
 		}
 		
 		func makeTimelineViewFirstResponder() {
+
 			window!.makeFirstResponderUnlessDescendantIsFirstResponder(timelineViewController.tableView)
 		}
 		
@@ -196,5 +217,15 @@ private extension MainWindowController {
 		
 		return timelineViewController?.canMarkAllAsRead() ?? false
 	}
+
+	func updateWindowTitle() {
+
+		if unreadCount < 1 {
+			window?.title = appName
+		}
+		else if unreadCount > 0 {
+			window?.title = "\(appName) (\(unreadCount))"
+		}
+	}
 }
 

Evergreen/MainWindow/Sidebar/SidebarViewController.swift

@@ -175,12 +175,28 @@ private extension SidebarViewController {
 		let appInfo = AppInfo()
 		if let selectedObjects = selectedObjects {
 			appInfo.objects = selectedObjects
+			updateUnreadCounts(for: selectedObjects)
 		}
 		appInfo.view = outlineView
 		
 		NotificationCenter.default.post(name: .SidebarSelectionDidChange, object: self, userInfo: appInfo.userInfo)
 	}
 
+	func updateUnreadCounts(for objects: [AnyObject]) {
+
+		// On selection, update unread counts for folders and feeds.
+		// For feeds, actually fetch from database.
+
+		for object in objects {
+			if let feed = object as? Feed, let account = feed.account {
+				account.updateUnreadCounts(for: Set([feed]))
+			}
+			else if let folder = object as? Folder {
+				folder.account.updateUnreadCounts(for: folder.flattenedFeeds())
+			}
+		}
+	}
+
 	func nodeForItem(_ item: AnyObject?) -> Node {
 
 		if item == nil {

Frameworks/Account/Account.swift

@@ -265,6 +265,10 @@ public final class Account: DisplayNameProvider, UnreadCountProvider, Container,
 
 	public func updateUnreadCounts(for feeds: Set<Feed>) {
 
+		if feeds.isEmpty {
+			return
+		}
+		
 		database.fetchUnreadCounts(for: feeds) { (unreadCountDictionary) in
 
 			for feed in feeds {

ToDo.opml

@@ -6,27 +6,28 @@
     </editor> -->
     <title>ToDo</title>
     <dateCreated>Tue, 12 Sep 2017 20:15:17 GMT</dateCreated>
-    <expansionState>0,22,23,26,30,36,44,45,47,62,67</expansionState>
+    <expansionState>0,12,20,23,24,27,31,37,45,46,48,63,68</expansionState>
     <vertScrollState>0</vertScrollState>
-    <windowTop>3254</windowTop>
-    <windowLeft>551</windowLeft>
-    <windowRight>1283</windowRight>
-    <windowBottom>4013</windowBottom>
+    <windowTop>581</windowTop>
+    <windowLeft>54</windowLeft>
+    <windowRight>786</windowRight>
+    <windowBottom>1340</windowBottom>
   </head>
   <body>
     <outline text="App">
-      <outline text="Make adding a Folder work — accounts don’t show up in Accounts popup"/>
+      <outline text="Make adding a Folder work — the sidebar should update"/>
       <outline text="Update Sparkle"/>
       <outline text="Use new app icon"/>
       <outline text="Set -NSApplicationCrashOnExceptions YES"/>
       <outline text="Store colors in accent catalog"/>
       <outline text="Use NSBox for container"/>
       <outline text="Restorable state"/>
-      <outline text="Use new build system"/>
       <outline text="NSError.setUserInfoValueProvider"/>
       <outline text="NSDictionary.sharedKeySet"/>
+      <outline text="Update unread count on selecting feed, in case it’s out of sync"/>
       <outline text="Periodic refresh"/>
       <outline text="OPML Import">
+        <outline text="Finish implementation in Account"/>
         <outline text="Accessory view in choose-file sheet for choosing account"/>
         <outline text="Import from URL">
           <outline text="Sheet with URL text field and account popup"/>