From d87fe40c90e3e321e13c8a533f45a1fb3786b81e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Diego=20S=C3=A1nchez?= <diego.sanchezr@gmail.com>
Date: Wed, 1 Jun 2016 13:43:37 +0100
Subject: [PATCH] Some optimizations for TextBubbleView (#144)

---
 .../TextMessages/Views/TextBubbleView.swift   | 20 +++++++++++++++++++
 ...essageCollectionViewCellDefaultStyle.swift |  6 +++---
 2 files changed, 23 insertions(+), 3 deletions(-)

diff --git a/ChattoAdditions/Source/Chat Items/TextMessages/Views/TextBubbleView.swift b/ChattoAdditions/Source/Chat Items/TextMessages/Views/TextBubbleView.swift
index 4579959..d240740 100644
--- a/ChattoAdditions/Source/Chat Items/TextMessages/Views/TextBubbleView.swift	
+++ b/ChattoAdditions/Source/Chat Items/TextMessages/Views/TextBubbleView.swift	
@@ -287,4 +287,24 @@ private final class ChatMessageTextView: UITextView {
     override func canPerformAction(action: Selector, withSender sender: AnyObject?) -> Bool {
         return false
     }
+
+    override var selectedRange: NSRange {
+        get {
+            return NSRange(location: 0, length: 0)
+        }
+        set {
+            // Part of the heaviest stack trace when scrolling (when updating text)
+            // See https://github.com/badoo/Chatto/pull/144
+        }
+    }
+
+    override var contentOffset: CGPoint {
+        get {
+            return .zero
+        }
+        set {
+            // Part of the heaviest stack trace when scrolling (when bounds are set)
+            // See https://github.com/badoo/Chatto/pull/144
+        }
+    }
 }
diff --git a/ChattoAdditions/Source/Chat Items/TextMessages/Views/TextMessageCollectionViewCellDefaultStyle.swift b/ChattoAdditions/Source/Chat Items/TextMessages/Views/TextMessageCollectionViewCellDefaultStyle.swift
index d89705d..771c84d 100644
--- a/ChattoAdditions/Source/Chat Items/TextMessages/Views/TextMessageCollectionViewCellDefaultStyle.swift	
+++ b/ChattoAdditions/Source/Chat Items/TextMessages/Views/TextMessageCollectionViewCellDefaultStyle.swift	
@@ -146,17 +146,17 @@ public class TextMessageCollectionViewCellDefaultStyle: TextMessageCollectionVie
         let tailKey = showsTail ? "tail" : "notail"
         let statusKey = self.statusKey(status)
         let highlightedKey = isSelected ? "highlighted" : "normal"
-        let key = "\(directionKey)_\(tailKey)_\(statusKey)_\(highlightedKey)"
+        let key = directionKey + "_" + tailKey + "_" + statusKey + "_" + highlightedKey
         return key
     }
 
     private func templateKey(isIncoming isIncoming: Bool, showsTail: Bool) -> String {
         let directionKey = isIncoming ? "incoming" : "outgoing"
         let tailKey = showsTail ? "tail" : "notail"
-        return "\(directionKey)_\(tailKey)"
+        return directionKey + "_" + tailKey
     }
 
-    private func statusKey(status: MessageViewModelStatus) -> NSString {
+    private func statusKey(status: MessageViewModelStatus) -> String {
         switch status {
         case .Success:
             return "ok"