Adds back support for presenting CheatsViewController from Pause Menu

Common/Database/Model/Model.xcdatamodeld/Model.xcdatamodel/contents

@@ -7,7 +7,7 @@
         <attribute name="identifier" attributeType="String" syncable="YES"/>
         <attribute name="modifiedDate" attributeType="Date" usesScalarValueType="NO" syncable="YES"/>
         <attribute name="name" attributeType="String" syncable="YES"/>
-        <attribute name="type" attributeType="Integer 16" defaultValueString="0" usesScalarValueType="NO" syncable="YES"/>
+        <attribute name="type" attributeType="String" syncable="YES"/>
         <relationship name="game" optional="YES" maxCount="1" deletionRule="Nullify" destinationEntity="Game" inverseName="cheats" inverseEntity="Game" syncable="YES"/>
         <uniquenessConstraints>
             <uniquenessConstraint>

Cores/DeltaCore

@@ -1 +1 @@
-Subproject commit d819614e5fe422aa4975f70e3d4f1d2dc97b9c24
+Subproject commit 7149d73128c0f5c95b3e58990f9d185cf33277df

Delta.xcodeproj/project.pbxproj

@@ -19,6 +19,7 @@
 		BF27CC8E1BC9FEA200A20D89 /* Assets.xcassets in Resources */ = {isa = PBXBuildFile; fileRef = BF6BB2451BB73FE800CCF94A /* Assets.xcassets */; };
 		BF27CC971BCC890700A20D89 /* GamesCollectionViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = BF27CC961BCC890700A20D89 /* GamesCollectionViewController.swift */; };
 		BF2B98E61C97E32F00F6D57D /* SaveStatesCollectionHeaderView.swift in Sources */ = {isa = PBXBuildFile; fileRef = BF2B98E51C97E32F00F6D57D /* SaveStatesCollectionHeaderView.swift */; };
+		BF31878B1D489AAA00BD020D /* CheatValidator.swift in Sources */ = {isa = PBXBuildFile; fileRef = BF31878A1D489AAA00BD020D /* CheatValidator.swift */; };
 		BF34FA071CF0F510006624C7 /* EditCheatViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = BF34FA061CF0F510006624C7 /* EditCheatViewController.swift */; };
 		BF34FA111CF1899D006624C7 /* CheatTextView.swift in Sources */ = {isa = PBXBuildFile; fileRef = BF34FA101CF1899D006624C7 /* CheatTextView.swift */; };
 		BF353FF21C5D7FB000C1184C /* PauseViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = BF353FF11C5D7FB000C1184C /* PauseViewController.swift */; };
@@ -102,6 +103,7 @@
 		BF27CC941BCB7B7A00A20D89 /* GameController.framework */ = {isa = PBXFileReference; lastKnownFileType = wrapper.framework; name = GameController.framework; path = Platforms/AppleTVOS.platform/Developer/SDKs/AppleTVOS9.0.sdk/System/Library/Frameworks/GameController.framework; sourceTree = DEVELOPER_DIR; };
 		BF27CC961BCC890700A20D89 /* GamesCollectionViewController.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = GamesCollectionViewController.swift; sourceTree = "<group>"; };
 		BF2B98E51C97E32F00F6D57D /* SaveStatesCollectionHeaderView.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; name = SaveStatesCollectionHeaderView.swift; path = "Pause Menu/Save States/SaveStatesCollectionHeaderView.swift"; sourceTree = "<group>"; };
+		BF31878A1D489AAA00BD020D /* CheatValidator.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; name = CheatValidator.swift; path = "Pause Menu/Cheats/CheatValidator.swift"; sourceTree = "<group>"; };
 		BF34FA061CF0F510006624C7 /* EditCheatViewController.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; name = EditCheatViewController.swift; path = "Pause Menu/Cheats/EditCheatViewController.swift"; sourceTree = "<group>"; };
 		BF34FA101CF1899D006624C7 /* CheatTextView.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; name = CheatTextView.swift; path = "Pause Menu/Cheats/CheatTextView.swift"; sourceTree = "<group>"; };
 		BF353FF11C5D7FB000C1184C /* PauseViewController.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; name = PauseViewController.swift; path = "Pause Menu/PauseViewController.swift"; sourceTree = "<group>"; };
@@ -320,6 +322,7 @@
 				BFC9B7381CEFCD34008629BB /* CheatsViewController.swift */,
 				BF34FA061CF0F510006624C7 /* EditCheatViewController.swift */,
 				BF34FA101CF1899D006624C7 /* CheatTextView.swift */,
+				BF31878A1D489AAA00BD020D /* CheatValidator.swift */,
 			);
 			name = Cheats;
 			sourceTree = "<group>";
@@ -542,6 +545,7 @@
 				BF7AE8241C2E984300B1B5BC /* GridCollectionViewLayout.swift in Sources */,
 				BF1FB1861C5EE643007E2494 /* SaveState.swift in Sources */,
 				BFA0D1271D3AE1F600565894 /* GameViewController.swift in Sources */,
+				BF31878B1D489AAA00BD020D /* CheatValidator.swift in Sources */,
 				BFB141181BE46934004FBF46 /* GameCollectionViewDataSource.swift in Sources */,
 				BFA2315C1CED10BE0011E35A /* Action.swift in Sources */,
 				BFAA1FF41B8AD7F900495943 /* ControllersSettingsViewController.swift in Sources */,

Delta/Emulation/GameViewController.swift

@@ -10,13 +10,20 @@ import UIKit
 
 import DeltaCore
 
+private var kvoContext = 0
+
 class GameViewController: DeltaCore.GameViewController
 {
     /// Assumed to be Delta.Game instance
     override var game: GameProtocol? {
+        willSet {
+            self.emulatorCore?.removeObserver(self, forKeyPath: #keyPath(EmulatorCore.state), context: &kvoContext)
+        }
         didSet {
             guard let emulatorCore = self.emulatorCore else { return }
             self.preferredContentSize = emulatorCore.preferredRenderingSize
+            
+            emulatorCore.addObserver(self, forKeyPath: #keyPath(EmulatorCore.state), options: [.old], context: &kvoContext)
         }
     }
     
@@ -51,6 +58,11 @@ class GameViewController: DeltaCore.GameViewController
         NotificationCenter.default.addObserver(self, selector: #selector(GameViewController.updateControllers), name: .externalControllerDidDisconnect, object: nil)
     }
     
+    deinit
+    {
+        self.emulatorCore?.removeObserver(self, forKeyPath: #keyPath(EmulatorCore.state), context: &kvoContext)
+    }
+    
     // MARK: GameControllerReceiver -
     override func gameController(_ gameController: GameController, didActivate input: Input)
     {
@@ -116,6 +128,7 @@ extension GameViewController
         pauseViewController.pauseText = (self.game as? Game)?.name ?? NSLocalizedString("Delta", comment: "")
         pauseViewController.emulatorCore = self.emulatorCore
         pauseViewController.saveStatesViewControllerDelegate = self
+        pauseViewController.cheatsViewControllerDelegate = self
         self.pauseViewController = pauseViewController
     }
     
@@ -135,6 +148,20 @@ extension GameViewController
             }
         }
     }
+    
+    // MARK: - KVO -
+    /// KVO
+    override func observeValue(forKeyPath keyPath: String?, of object: AnyObject?, change: [NSKeyValueChangeKey : AnyObject]?, context: UnsafeMutablePointer<Void>?)
+    {
+        guard context == &kvoContext else { return super.observeValue(forKeyPath: keyPath, of: object, change: change, context: context) }
+        
+        guard let rawValue = change?[.oldKey] as? Int, let previousState = EmulatorCore.State(rawValue: rawValue) else { return }
+        
+        if previousState == .stopped
+        {
+            self.updateCheats()
+        }
+    }
 }
 
 //MARK: Controllers -
@@ -244,10 +271,81 @@ extension GameViewController: SaveStatesViewControllerDelegate
             print(error)
         }
         
+        self.updateCheats()
+        
         self.pauseViewController?.dismiss()
     }
 }
 
+//MARK: - Cheats
+/// Cheats
+extension GameViewController: CheatsViewControllerDelegate
+{
+    func cheatsViewController(_ cheatsViewController: CheatsViewController, activateCheat cheat: Cheat)
+    {
+        self.activate(cheat)
+    }
+    
+    func cheatsViewController(_ cheatsViewController: CheatsViewController, deactivateCheat cheat: Cheat)
+    {
+        self.emulatorCore?.deactivate(cheat)
+    }
+    
+    private func activate(_ cheat: Cheat)
+    {
+        do
+        {
+            try self.emulatorCore?.activate(cheat)
+        }
+        catch EmulatorCore.CheatError.invalid
+        {
+            print("Invalid cheat:", cheat.name, cheat.code)
+        }
+        catch let error as NSError
+        {
+            print("Unknown Cheat Error:", error, cheat.name, cheat.code)
+        }
+    }
+    
+    private func updateCheats()
+    {
+        guard let game = self.game as? Game else { return }
+        
+        let running = (self.emulatorCore?.state == .running)
+        
+        if running
+        {
+            // Core MUST be paused when activating cheats, or else race conditions could crash the core
+            self.pauseEmulation()
+        }
+        
+        let backgroundContext = DatabaseManager.sharedManager.backgroundManagedObjectContext()
+        backgroundContext.performAndWait {
+            
+            let predicate = Predicate(format: "%K == %@", Cheat.Attributes.game.rawValue, game)
+            
+            let cheats = Cheat.instancesWithPredicate(predicate, inManagedObjectContext: backgroundContext, type: Cheat.self)
+            for cheat in cheats
+            {
+                if cheat.enabled
+                {
+                    self.activate(cheat)
+                }
+                else
+                {
+                    self.emulatorCore?.deactivate(cheat)
+                }
+            }
+        }
+        
+        if running
+        {
+            self.resumeEmulation()
+        }
+        
+    }
+}
+
 //MARK: GameViewControllerDelegate -
 /// GameViewControllerDelegate
 extension GameViewController: GameViewControllerDelegate

Delta/Pause Menu/Cheats/CheatValidator.swift

@@ -0,0 +1,59 @@
+//
+//  CheatValidator.swift
+//  Delta
+//
+//  Created by Riley Testut on 7/27/16.
+//  Copyright © 2016 Riley Testut. All rights reserved.
+//
+
+import Foundation
+
+import DeltaCore
+
+extension CheatValidator
+{
+    enum Error: ErrorProtocol
+    {
+        case invalidCode
+        case invalidName
+        case duplicateName
+        case duplicateCode
+    }
+}
+
+struct CheatValidator
+{
+    let format: CheatFormat
+    let managedObjectContext: NSManagedObjectContext
+    
+    func validate(_ cheat: Cheat) throws
+    {
+        guard let name = cheat.name else { throw Error.invalidName }
+        
+        let code = cheat.code
+        
+        // Find all cheats that are for the same game, don't have the same identifier as the current cheat, but have either the same name or code
+        let predicate = Predicate(format: "%K == %@ AND %K != %@ AND (%K == %@ OR %K == %@)", Cheat.Attributes.game.rawValue, cheat.game, Cheat.Attributes.identifier.rawValue, cheat.identifier, Cheat.Attributes.code.rawValue, code, Cheat.Attributes.name.rawValue, name)
+        
+        let cheats = Cheat.instancesWithPredicate(predicate, inManagedObjectContext: self.managedObjectContext, type: Cheat.self)
+        for cheat in cheats
+        {
+            if cheat.name == name
+            {
+                throw Error.duplicateName
+            }
+            else if cheat.code == code
+            {
+                throw Error.duplicateCode
+            }
+        }
+        
+        // Remove newline characters (code should already be formatted)
+        let sanitizedCode = (cheat.code as NSString).replacingOccurrences(of: "\n", with: "")
+        
+        if sanitizedCode.characters.count % self.format.format.characters.count != 0
+        {
+            throw Error.invalidCode
+        }
+    }
+}

Delta/Pause Menu/Cheats/CheatsViewController.swift

@@ -15,19 +15,20 @@ import Roxas
 
 protocol CheatsViewControllerDelegate: class
 {
-    func cheatsViewControllerActiveEmulatorCore(_ saveStatesViewController: CheatsViewController) -> EmulatorCore
+    func cheatsViewController(_ cheatsViewController: CheatsViewController, activateCheat cheat: Cheat)
-    func cheatsViewController(_ cheatsViewController: CheatsViewController, didActivateCheat cheat: Cheat) throws
+    func cheatsViewController(_ cheatsViewController: CheatsViewController, deactivateCheat cheat: Cheat)
-    func cheatsViewController(_ cheatsViewController: CheatsViewController, didDeactivateCheat cheat: Cheat)
 }
 
 class CheatsViewController: UITableViewController
 {
-    weak var delegate: CheatsViewControllerDelegate! {
+    var game: Game! {
         didSet {
             self.updateFetchedResultsController()
         }
     }
     
+    weak var delegate: CheatsViewControllerDelegate?
+    
     private var backgroundView: RSTBackgroundView!
     
     private var fetchedResultsController: NSFetchedResultsController<NSFetchRequestResult>!
@@ -83,11 +84,9 @@ private extension CheatsViewController
 {
     func updateFetchedResultsController()
     {
-        let game = self.delegate.cheatsViewControllerActiveEmulatorCore(self).game as! Game
-        
         let fetchRequest = Cheat.rst_fetchRequest()
         fetchRequest.returnsObjectsAsFaults = false
-        fetchRequest.predicate = Predicate(format: "%K == %@", Cheat.Attributes.game.rawValue, game)
+        fetchRequest.predicate = Predicate(format: "%K == %@", Cheat.Attributes.game.rawValue, self.game)
         fetchRequest.sortDescriptors = [SortDescriptor(key: Cheat.Attributes.name.rawValue, ascending: true)]
         
         self.fetchedResultsController = NSFetchedResultsController(fetchRequest: fetchRequest, managedObjectContext: DatabaseManager.sharedManager.managedObjectContext, sectionNameKeyPath: nil, cacheName: nil)
@@ -121,7 +120,7 @@ private extension CheatsViewController
     
     func deleteCheat(_ cheat: Cheat)
     {
-        self.delegate.cheatsViewController(self, didDeactivateCheat: cheat)
+        self.delegate?.cheatsViewController(self, deactivateCheat: cheat)
         
         let backgroundContext = DatabaseManager.sharedManager.backgroundManagedObjectContext()
         backgroundContext.perform {
@@ -148,9 +147,8 @@ private extension CheatsViewController
     {        
         let editCheatViewController = self.storyboard!.instantiateViewController(withIdentifier: "editCheatViewController") as! EditCheatViewController
         editCheatViewController.delegate = self
-        editCheatViewController.supportedCheatFormats = self.delegate.cheatsViewControllerActiveEmulatorCore(self).configuration.supportedCheatFormats
         editCheatViewController.cheat = cheat
-        editCheatViewController.game = self.delegate.cheatsViewControllerActiveEmulatorCore(self).game as! Game
+        editCheatViewController.game = self.game
         
         return editCheatViewController
     }
@@ -193,25 +191,13 @@ extension CheatsViewController
             
             if temporaryCheat.enabled
             {
-                do
+                self.delegate?.cheatsViewController(self, activateCheat: temporaryCheat)
-                {
-                    try self.delegate.cheatsViewController(self, didActivateCheat: temporaryCheat)
-                }
-                catch EmulatorCore.CheatError.invalid
-                {
-                    print("Invalid cheat:", cheat.name, cheat.code)
-                }
-                catch let error as NSError
-                {
-                    print("Unknown Cheat Error:", error, cheat.name, cheat.code)
-                }
             }
             else
             {
-                self.delegate.cheatsViewController(self, didDeactivateCheat: temporaryCheat)
+                self.delegate?.cheatsViewController(self, deactivateCheat: temporaryCheat)
             }
             
-            
             backgroundContext.saveWithErrorLogging()
         }
         
@@ -266,9 +252,9 @@ extension CheatsViewController: UIViewControllerPreviewingDelegate
 //MARK: - <EditCheatViewControllerDelegate> -
 extension CheatsViewController: EditCheatViewControllerDelegate
 {
-    func editCheatViewController(_ editCheatViewController: EditCheatViewController, activateCheat cheat: Cheat, previousCheat: Cheat?) throws
+    func editCheatViewController(_ editCheatViewController: EditCheatViewController, activateCheat cheat: Cheat, previousCheat: Cheat?)
     {
-        try self.delegate.cheatsViewController(self, didActivateCheat: cheat)
+        self.delegate?.cheatsViewController(self, activateCheat: cheat)
         
         if let previousCheat = previousCheat
         {
@@ -278,14 +264,14 @@ extension CheatsViewController: EditCheatViewControllerDelegate
                 
                 guard previousCheat.code != code else { return }
                 
-                self.delegate.cheatsViewController(self, didDeactivateCheat: previousCheat)
+                self.delegate?.cheatsViewController(self, deactivateCheat: previousCheat)
             })
         }
     }
     
     func editCheatViewController(_ editCheatViewController: EditCheatViewController, deactivateCheat cheat: Cheat)
     {
-        self.delegate.cheatsViewController(self, didDeactivateCheat: cheat)
+        self.delegate?.cheatsViewController(self, deactivateCheat: cheat)
     }
 }
 

Delta/Pause Menu/Cheats/EditCheatViewController.swift

@@ -14,19 +14,12 @@ import Roxas
 
 protocol EditCheatViewControllerDelegate: class
 {
-    func editCheatViewController(_ editCheatViewController: EditCheatViewController, activateCheat cheat: Cheat, previousCheat: Cheat?) throws
+    func editCheatViewController(_ editCheatViewController: EditCheatViewController, activateCheat cheat: Cheat, previousCheat: Cheat?)
     func editCheatViewController(_ editCheatViewController: EditCheatViewController, deactivateCheat cheat: Cheat)
 }
 
 private extension EditCheatViewController
 {
-    enum ValidationError: ErrorProtocol
-    {
-        case invalidCode
-        case duplicateName
-        case duplicateCode
-    }
-    
     enum Section: Int
     {
         case name
@@ -37,11 +30,18 @@ private extension EditCheatViewController
 
 class EditCheatViewController: UITableViewController
 {
-    weak var delegate: EditCheatViewControllerDelegate?
+    var game: Game! {
+        didSet {
+            let deltaCore = Delta.core(for: self.game.type)!
+            self.supportedCheatFormats = deltaCore.emulatorConfiguration.supportedCheatFormats
+        }
+    }
     
     var cheat: Cheat?
-    var game: Game!
+    
-    var supportedCheatFormats: [CheatFormat]!
+    weak var delegate: EditCheatViewControllerDelegate?
+    
+    private var supportedCheatFormats: [CheatFormat]!
     
     private var selectedCheatFormat: CheatFormat {
         let cheatFormat = self.supportedCheatFormats[self.typeSegmentedControl.selectedSegmentIndex]
@@ -271,63 +271,51 @@ private extension EditCheatViewController
             do
             {
                 try self.validateCheat(self.mutableCheat)
+                
+                self.delegate?.editCheatViewController(self, activateCheat: self.mutableCheat, previousCheat: self.cheat)
+                
                 self.mutableCheat.managedObjectContext?.saveWithErrorLogging()
                 self.performSegue(withIdentifier: "unwindEditCheatSegue", sender: sender)
             }
-            catch ValidationError.invalidCode
+            catch CheatValidator.Error.invalidCode
             {
                 self.presentErrorAlert(title: NSLocalizedString("Invalid Code", comment: ""), message: NSLocalizedString("Please make sure you typed the cheat code in correctly and try again.", comment: "")) {
                     self.codeTextView.becomeFirstResponder()
                 }
             }
-            catch ValidationError.duplicateCode
+            catch CheatValidator.Error.invalidName
+            {
+                self.presentErrorAlert(title: NSLocalizedString("Invalid Name", comment: ""), message: NSLocalizedString("Please rename this cheat and try again.", comment: "")) {
+                    self.codeTextView.becomeFirstResponder()
+                }
+            }
+            catch CheatValidator.Error.duplicateCode
             {
                 self.presentErrorAlert(title: NSLocalizedString("Duplicate Code", comment: ""), message: NSLocalizedString("A cheat already exists with this code. Please type in a different code and try again.", comment: "")) {
                     self.codeTextView.becomeFirstResponder()
                 }
             }
-            catch ValidationError.duplicateName
+            catch CheatValidator.Error.duplicateName
             {
                 self.presentErrorAlert(title: NSLocalizedString("Duplicate Name", comment: ""), message: NSLocalizedString("A cheat already exists with this name. Please rename this cheat and try again.", comment: "")) {
                     self.nameTextField.becomeFirstResponder()
                 }
             }
-            catch let error as NSError
+            catch
             {
                 print(error)
+                
+                self.presentErrorAlert(title: NSLocalizedString("Unknown Error", comment: ""), message: NSLocalizedString("An error occured. Please make sure you typed the cheat code in correctly and try again.", comment: "")) {
+                    self.codeTextView.becomeFirstResponder()
+                }
             }
         }
     }
     
     func validateCheat(_ cheat: Cheat) throws
     {
-        let name = cheat.name!
+        let validator = CheatValidator(format: self.selectedCheatFormat, managedObjectContext: self.managedObjectContext)
-        let code = cheat.code
+        try validator.validate(cheat)
-        
-        // Find all cheats that are for the same game, don't have the same identifier as the current cheat, but have either the same name or code
-        let predicate = Predicate(format: "%K == %@ AND %K != %@ AND (%K == %@ OR %K == %@)", Cheat.Attributes.game.rawValue, cheat.game, Cheat.Attributes.identifier.rawValue, cheat.identifier, Cheat.Attributes.code.rawValue, code, Cheat.Attributes.name.rawValue, name)
-        
-        let cheats = Cheat.instancesWithPredicate(predicate, inManagedObjectContext: self.managedObjectContext, type: Cheat.self)
-        for cheat in cheats
-        {
-            if cheat.name == name
-            {
-                throw ValidationError.duplicateName
-            }
-            else if cheat.code == code
-            {
-                throw ValidationError.duplicateCode
-            }
-        }
-        
-        do
-        {
-            try self.delegate?.editCheatViewController(self, activateCheat: cheat, previousCheat: self.cheat)
-        }
-        catch
-        {
-            throw ValidationError.invalidCode
-        }
     }
     
     @IBAction func textFieldDidEndEditing(_ sender: UITextField)

Delta/Pause Menu/PauseViewController.swift

@@ -32,10 +32,12 @@ class PauseViewController: UIViewController, PauseInfoProviding
     /// PauseInfoProviding
     var pauseText: String?
     
+    /// Cheats
+    weak var cheatsViewControllerDelegate: CheatsViewControllerDelegate?
+    
     /// Save States
     weak var saveStatesViewControllerDelegate: SaveStatesViewControllerDelegate?
     
-    // Hopefully this can be removed once SE-0116 is implemented
     private var saveStatesViewControllerMode = SaveStatesViewController.Mode.loading
     
     private var pauseNavigationController: UINavigationController!
@@ -105,6 +107,11 @@ extension PauseViewController
             saveStatesViewController.emulatorCore = self.emulatorCore
             saveStatesViewController.mode = self.saveStatesViewControllerMode
             
+        case "cheats":
+            let cheatsViewController = segue.destinationViewController as! CheatsViewController
+            cheatsViewController.delegate = self.cheatsViewControllerDelegate
+            cheatsViewController.game = self.emulatorCore?.game as? Game
+            
         default: break
         }
     }
@@ -150,7 +157,10 @@ private extension PauseViewController
             self.performSegue(withIdentifier: "saveStates", sender: self)
         })
         
-        self.cheatCodesItem = PauseItem(image: UIImage(named: "SmallPause")!, text: NSLocalizedString("Cheat Codes", comment: ""), action: { _ in })
+        self.cheatCodesItem = PauseItem(image: UIImage(named: "SmallPause")!, text: NSLocalizedString("Cheat Codes", comment: ""), action: { [unowned self] _ in
+            self.performSegue(withIdentifier: "cheats", sender: self)
+        })
+        
         self.sustainButtonsItem = PauseItem(image: UIImage(named: "SmallPause")!, text: NSLocalizedString("Sustain Buttons", comment: ""), action: { _ in })
         self.fastForwardItem = PauseItem(image: UIImage(named: "FastForward")!, text: NSLocalizedString("Fast Forward", comment: ""), action: { _ in })
     }