First Time Use Alert

Kiwix/LibraryLocalTBVC.swift

@@ -110,10 +110,8 @@ class LibraryLocalTBVC: UITableViewController, NSFetchedResultsControllerDelegat
     }
     
     func emptyDataSetDidTapButton(scrollView: UIScrollView!) {
-        guard let navController = UIStoryboard.setting.instantiateViewControllerWithIdentifier("WebViewNav") as? UINavigationController,
+        let operation = ShowHelpPageOperation(type: .ImportBookLearnMore, presentationContext: self)
-            let controller = navController.topViewController as? WebViewVC else {return}
+        UIApplication.appDelegate.globalOperationQueue.addOperation(operation)
-        controller.page = .ImportBookLearnMore
-        presentViewController(navController, animated: true, completion: nil)
     }
     
     // MARK: - TableView Data Source

Kiwix/MainVC.swift

@@ -7,6 +7,7 @@
 //
 
 import UIKit
+import SCLAlertView
 
 class MainVC: UIViewController {
 
@@ -38,6 +39,7 @@ class MainVC: UIViewController {
         NSUserDefaults.standardUserDefaults().addObserver(self, forKeyPath: "webViewNotInjectJavascriptToAdjustPageLayout", options: .New, context: context)
         NSUserDefaults.standardUserDefaults().addObserver(self, forKeyPath: "webViewZoomScale", options: .New, context: context)
         configureButtonColor()
+        showGetStartedAlert()
     }
     
     deinit {
@@ -63,6 +65,15 @@ class MainVC: UIViewController {
         configureUIElements(self.traitCollection)
     }
     
+    // MARK: - First Time Launch Alert
+    
+    func showGetStartedAlert() {
+        guard !Preference.hasShowGetStartedAlert else {return}
+        let operation = GetStartedAlert(mainController: self)
+        UIApplication.appDelegate.globalOperationQueue.addOperation(operation)
+        Preference.hasShowGetStartedAlert = true
+    }
+    
     // MARK: - Configure
     
     func configureUIElements(traitCollection: UITraitCollection) {
@@ -85,7 +96,6 @@ class MainVC: UIViewController {
             break
         }
         configureWebViewInsets()
-        
     }
     
     func configureButtonColor() {
@@ -126,10 +136,6 @@ class MainVC: UIViewController {
         }
     }
     
-    func configureSearchBarCancelButton() {
-        
-    }
-    
     // MARK: - UIViewAnimations
     
     func animateInSearchResultController() {

Kiwix/UIOperations.swift

@@ -1,5 +1,5 @@
 //
-//  AlertOperations.swift
+//  UIOperations.swift
 //  Kiwix
 //
 //  Created by Chris Li on 3/22/16.
@@ -8,6 +8,8 @@
 
 import UIKit
 
+// MARK: - Alerts
+
 class SpaceCautionAlert: AlertOperation {
     init(book: Book, presentationContext: UIViewController?) {
         super.init(presentationContext: presentationContext)
@@ -103,3 +105,43 @@ class RefreshLibraryInternetRequiredAlert: AlertOperation {
         addAction(LocalizedStrings.ok)
     }
 }
+
+class GetStartedAlert: AlertOperation {
+    init(mainController: MainVC?) {
+        super.init(presentationContext: mainController)
+        
+        let comment = "First Time Launch Message"
+        
+        title = NSLocalizedString("Welcome to Kiwix", comment: comment)
+        message = NSLocalizedString("Add a Book to Get Started", comment: comment)
+        addAction(NSLocalizedString("Download", comment: comment), style: .Default) { (alert) in
+            mainController?.showLibraryButtonTapped()
+        }
+        addAction(NSLocalizedString("Import", comment: comment), style: .Default) { (alert) in
+            let operation = ShowHelpPageOperation(type: .ImportBookLearnMore, presentationContext: mainController)
+            UIApplication.appDelegate.globalOperationQueue.addOperation(operation)
+        }
+        addAction(NSLocalizedString("Dismiss", comment: comment))
+    }
+}
+
+// MARK: - Help Pages
+
+class ShowHelpPageOperation: Operation {
+    private let type: WebViewVCContentType
+    private weak var presentationContext: UIViewController?
+    
+    init(type: WebViewVCContentType, presentationContext: UIViewController?) {
+        self.type = type
+        self.presentationContext = presentationContext
+    }
+    
+    override func execute() {
+        NSOperationQueue.mainQueue().addOperationWithBlock { 
+            guard let navController = UIStoryboard.setting.instantiateViewControllerWithIdentifier("WebViewNav") as? UINavigationController,
+                let controller = navController.topViewController as? WebViewVC else {return}
+            controller.page = self.type
+            self.presentationContext?.presentViewController(navController, animated: true, completion: nil)
+        }
+    }
+}

Kiwix/WebViewVC.swift

@@ -12,7 +12,7 @@ class WebViewVC: UIViewController, UIWebViewDelegate {
 
     @IBOutlet weak var webView: UIWebView!
     
-    var page: WebViewVCHTML?
+    var page: WebViewVCContentType?
     
     override func viewDidLoad() {
         super.viewDidLoad()
@@ -46,6 +46,6 @@ class WebViewVC: UIViewController, UIWebViewDelegate {
     }
 }
 
-enum WebViewVCHTML: String {
+enum WebViewVCContentType: String {
     case DownloaderLearnMore, ImportBookLearnMore
 }