Move ChatInputItem selected and enabled properties to protocol extension

ChattoAdditions/Source/Input/ChatInputBarPresenter.swift

@@ -60,10 +60,10 @@ protocol ChatInputBarPresenter: class {
 
     private(set) var focusedItem: ChatInputItemProtocol? {
         willSet {
-            self.focusedItem?.selected = false
+            self.focusedItem?.setSelected(false)
         }
         didSet {
-            self.focusedItem?.selected = true
+            self.focusedItem?.setSelected(true)
         }
     }
 

ChattoAdditions/Source/Input/ChatInputItem.swift

@@ -35,7 +35,24 @@ public protocol ChatInputItemProtocol: AnyObject {
     var inputView: UIView? { get }
     var presentationMode: ChatInputItemPresentationMode { get }
     var showsSendButton: Bool { get }
-    var selected: Bool { get set }
 
     func handleInput(input: AnyObject)
 }
+
+extension ChatInputItemProtocol {
+    func selected() -> Bool {
+        return self.inputButton.selected
+    }
+
+    func setSelected(selected: Bool) {
+        self.inputButton.selected = selected
+    }
+
+    func enabled() -> Bool {
+        return self.inputButton.enabled
+    }
+
+    func setEnabled(enabled: Bool) {
+        self.inputButton.enabled = enabled
+    }
+}

ChattoAdditions/Source/Input/Photos/PhotosChatInputItem.swift

@@ -57,12 +57,6 @@ public class PhotosChatInputItem: ChatInputItemProtocol {
         return photosInputView
     }()
 
-    public var selected = false {
-        didSet {
-            self.internalInputButton.selected = self.selected
-        }
-    }
-
     // MARK: - ChatInputItemProtocol
 
     public var presentationMode: ChatInputItemPresentationMode {

ChattoAdditions/Source/Input/Text/TextChatInputItem.swift

@@ -45,13 +45,6 @@ public class TextChatInputItem {
     lazy private var internalInputButton: ChatInputButton = {
         return ChatInputButton.makeInputButton(withAppearance: self.buttonAppearance)
     }()
-
-    // Move to protocol extension
-    public var selected = false {
-        didSet {
-            self.internalInputButton.selected = self.selected
-        }
-    }
 }
 
 // MARK: - ChatInputItemProtocol