--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/radioapp/radiouiengine/src/radiohistoryitem.cpp	Fri Jun 04 10:21:36 2010 +0100
@@ -0,0 +1,242 @@
+/*
+* Copyright (c) 2009 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:
+*
+*/
+
+// User includes
+#include "radiohistoryitem.h"
+#include "radiohistoryitem_p.h"
+
+/**
+ * Static shared data instance that is used by all default-constructed RadioStation instances
+ */
+Q_GLOBAL_STATIC( RadioHistoryItemPrivate, shared_null )
+
+
+/*!
+ *
+ */
+RadioHistoryItem::RadioHistoryItem() :
+    QObject( 0 )
+{
+    mData = shared_null();
+    mData->ref.ref();
+}
+
+/*!
+ *
+ */
+RadioHistoryItem::RadioHistoryItem( const QString& artist, const QString& title ) :
+    QObject( 0 )
+{
+    mData = new RadioHistoryItemPrivate( artist, title );
+}
+
+/*!
+ *
+ */
+RadioHistoryItem::RadioHistoryItem( const RadioHistoryItem& other ) :
+    QObject( 0 )
+{
+    mData = other.mData;
+    mData->ref.ref();
+}
+
+/*!
+ *
+ */
+RadioHistoryItem::~RadioHistoryItem()
+{
+    decrementReferenceCount();
+}
+
+/*!
+ *
+ */
+RadioHistoryItem& RadioHistoryItem::operator=( const RadioHistoryItem& other )
+{
+    qAtomicAssign( mData, other.mData );
+    return *this;
+}
+
+/*!
+ *
+ */
+bool RadioHistoryItem::isValid() const
+{
+    return id() != 0 && !title().isEmpty();
+}
+
+/*!
+ *
+ */
+void RadioHistoryItem::reset()
+{
+    decrementReferenceCount();
+    mData = shared_null();
+    mData->ref.ref();
+}
+
+/*!
+ *
+ */
+int RadioHistoryItem::id() const
+{
+    return mData->mId;
+}
+
+/*!
+ *
+ */
+QString RadioHistoryItem::artist() const
+{
+    return mData->mArtist;
+}
+
+/*!
+ *
+ */
+void RadioHistoryItem::setArtist( const QString& artist )
+{
+    if ( artist.compare( mData->mArtist ) != 0 ) {
+        detach();
+        mData->mArtist = artist;
+    }
+}
+
+/*!
+ *
+ */
+QString RadioHistoryItem::title() const
+{
+    return mData->mTitle;
+}
+
+/*!
+ *
+ */
+void RadioHistoryItem::setTitle( const QString& title )
+{
+    if ( title.compare( mData->mTitle ) != 0 ) {
+        detach();
+        mData->mTitle = title;
+    }
+}
+
+/*!
+ *
+ */
+QString RadioHistoryItem::station() const
+{
+    return mData->mStation;
+}
+
+/*!
+ *
+ */
+void RadioHistoryItem::setStation( const QString& station )
+{
+    if ( station.compare( mData->mStation ) != 0 ) {
+        detach();
+        mData->mStation = station;
+    }
+}
+
+/*!
+ *
+ */
+uint RadioHistoryItem::frequency() const
+{
+    return mData->mFrequency;
+}
+
+/*!
+ *
+ */
+void RadioHistoryItem::setFrequency( uint frequency )
+{
+    if ( frequency != mData->mFrequency ) {
+        detach();
+        mData->mFrequency = frequency;
+    }
+}
+
+/*!
+ *
+ */
+QString RadioHistoryItem::time() const
+{
+    return mData->mTime.toString();
+}
+
+/*!
+ *
+ */
+void RadioHistoryItem::setCurrentTime()
+{
+    detach();
+    mData->mTime.currentDateTime();
+}
+
+
+/*!
+ *
+ */
+bool RadioHistoryItem::isTagged() const
+{
+    return mData->mTagged;
+}
+
+/*!
+ *
+ */
+bool RadioHistoryItem::isRecognizedByRds() const
+{
+    return mData->mFromRds;
+}
+
+/**
+ * Decrements the reference count of the implicitly shared data.
+ */
+void RadioHistoryItem::decrementReferenceCount()
+{
+    if ( !mData->ref.deref() ) {
+        delete mData;
+        mData = 0;
+    }
+}
+
+/**
+ * Detach from the implicitly shared data
+ */
+void RadioHistoryItem::detach()
+{
+    if ( !isDetached() ) {
+        RadioHistoryItemPrivate* newData = new RadioHistoryItemPrivate( *mData );
+
+        decrementReferenceCount();
+
+        newData->ref = 1;
+        mData = newData;
+    }
+}
+
+/**
+ * Checks if the class is detached from implicitly shared data
+ */
+bool RadioHistoryItem::isDetached() const
+{
+    return mData->ref == 1;
+}