From c6494823c8b79a33bf333a1e3a2c58ac6d74dcea Mon Sep 17 00:00:00 2001
From: Frank Reininghaus <frank78ac@googlemail.com>
Date: Wed, 5 Jun 2013 23:18:26 +0200
Subject: Reduce KFileItemModel memory usage by making use of implicit sharing

The idea is based on
http://milianw.de/blog/katekdevelop-sprint-vienna-2012-take-1

REVIEW: 110686
---
 src/kitemviews/kfileitemmodel.h | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'src/kitemviews/kfileitemmodel.h')

diff --git a/src/kitemviews/kfileitemmodel.h b/src/kitemviews/kfileitemmodel.h
index 1d837cb2a..1d2d8c172 100644
--- a/src/kitemviews/kfileitemmodel.h
+++ b/src/kitemviews/kfileitemmodel.h
@@ -429,6 +429,12 @@ private:
      */
     static void determineMimeTypes(const KFileItemList& items, int timeout);
 
+    /**
+     * @return Returns a copy of \a value that is implicitly shared
+     * with other users to save memory.
+     */
+    static QByteArray sharedValue(const QByteArray& value);
+
     /**
      * Checks if the model's internal data structures are consistent.
      */
-- 
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