diff -r c18f9fa7f42e -r 640d30f4fb64 phonebookui/cntlistmodel/cntcacheitems.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/phonebookui/cntlistmodel/cntcacheitems.cpp	Fri Oct 15 12:24:46 2010 +0300
@@ -0,0 +1,145 @@
+/*
+* Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description: Classes for each of the items (name, info and icon) in cache.
+*
+*/
+
+#include <cntcacheitems.h>
+
+/*!
+    \class CntNameCacheItem
+    \brief Represents one name entry in cache.
+    
+    CntNameCacheItem wraps functionality for efficiently storing, serializing
+    and changing the display format of one name in cache.
+
+    \class CntInfoCacheItem
+    \brief Holds data for info entry in cache.
+
+    \class CntIconCacheItem
+    \brief Holds data for icon entry in cache.
+ */
+
+/*!
+    Creates a CntNameCacheItem object.
+ */
+CntNameCacheItem::CntNameCacheItem(QContactLocalId id, const QString& firstName, const QString& lastName, CntNameOrder nameFormat)
+{
+    mContactId = id;
+    setFormattedName(firstName, lastName, nameFormat);
+}
+
+/*!
+    Destroys the CntNameCacheItem object.
+ */
+CntNameCacheItem::~CntNameCacheItem()
+{
+}
+
+/*!
+    Changes the format used to present the name.
+ */
+void CntNameCacheItem::setNameFormat(CntNameOrder newFormat)
+{
+    QString firstName = mName.mid(mFirstNamePosition&0xffff, mFirstNamePosition>>16);
+    QString lastName = mName.mid(mLastNamePosition&0xffff, mLastNamePosition>>16);
+    setFormattedName(firstName, lastName, newFormat);
+}
+
+/*!
+    Copies the contents of the other cache item to this one.
+ */
+void CntNameCacheItem::operator=(const CntNameCacheItem &other)
+{
+    mContactId = other.mContactId;
+    mFirstNamePosition = other.mFirstNamePosition;
+    mLastNamePosition = other.mLastNamePosition;
+    mName = other.mName;
+}
+
+/*!
+    Externalizes a CntNameCacheItem object.
+ */
+void CntNameCacheItem::externalize(QDataStream &stream)
+{
+    stream << mContactId;
+    stream << mFirstNamePosition;
+    stream << mLastNamePosition;
+    stream << mName;
+}
+
+/*!
+    Internalizes a CntNameCacheItem object.
+ */
+CntNameCacheItem* CntNameCacheItem::internalize(QDataStream &stream, CntNameOrder nameFormat)
+{
+    quint32 id;
+    quint32 firstNamePosition;
+    quint32 lastNamePosition;
+    QString name;
+    
+    stream >> id;
+    stream >> firstNamePosition;
+    stream >> lastNamePosition;
+    stream >> name;
+    
+    QString firstName = name.mid(firstNamePosition&0xffff, firstNamePosition>>16);
+    QString lastName = name.mid(lastNamePosition&0xffff, lastNamePosition>>16);
+
+    return new CntNameCacheItem(id, firstName, lastName, nameFormat);
+}
+
+/*!
+    Sets the formatted name and positions of the first name and last name,
+    according to the name format in the parameter.
+ */
+void CntNameCacheItem::setFormattedName(const QString& firstName, const QString& lastName, CntNameOrder nameFormat)
+{
+    int firstNameLength = firstName.length();
+    int lastNameLength = lastName.length();
+
+    if (lastNameLength == 0) {
+        mName = firstName;
+        mFirstNamePosition = firstNameLength << 16;
+        mLastNamePosition = 0;
+    } else if (firstNameLength == 0) {
+        mName = lastName;
+        mFirstNamePosition = 0;
+        mLastNamePosition = lastNameLength << 16;
+    } else {
+        if (nameFormat == CntOrderLastFirst) {
+            mName = lastName + " " + firstName;
+            mFirstNamePosition = (firstNameLength << 16) | (lastNameLength + 1);
+            mLastNamePosition = (lastNameLength << 16);
+        } else if (nameFormat == CntOrderLastCommaFirst) {
+            mName = lastName + ", " + firstName;
+            mFirstNamePosition = (firstNameLength << 16) | (lastNameLength + 2);
+            mLastNamePosition = (lastNameLength << 16);
+        } else {
+            mName = firstName + " " + lastName;
+            mFirstNamePosition = (firstNameLength << 16);
+            mLastNamePosition = (lastNameLength << 16) | (firstNameLength + 1);
+        }
+    }
+}
+
+QString CntNameCacheItem::firstName() const
+{
+    return mName.mid(mFirstNamePosition&0xffff, mFirstNamePosition>>16);
+}
+
+QString CntNameCacheItem::lastName() const
+{
+    return mName.mid(mLastNamePosition&0xffff, mLastNamePosition>>16);
+}