/*

* 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 "radioplaylogitem.h"

#include "radioplaylogitem_p.h"

/**

 * Static shared data instance that is used by all default-constructed RadioStation instances

 */

Q_GLOBAL_STATIC( RadioPlayLogItemPrivate, shared_null )

/*!

 *

 */

RadioPlayLogItem::RadioPlayLogItem() :

    QObject( 0 )

{

    mData = shared_null();

    mData->ref.ref();

}

/*!

 *

 */

RadioPlayLogItem::RadioPlayLogItem( const QString& artist, const QString& title ) :

    QObject( 0 )

{

    mData = new RadioPlayLogItemPrivate( artist, title );

}

/*!

 *

 */

RadioPlayLogItem::RadioPlayLogItem( const RadioPlayLogItem& other ) :

    QObject( 0 )

{

    mData = other.mData;

    mData->ref.ref();

}

/*!

 *

 */

RadioPlayLogItem::~RadioPlayLogItem()

{

    decrementReferenceCount();

}

/*!

 *

 */

RadioPlayLogItem& RadioPlayLogItem::operator=( const RadioPlayLogItem& other )

{

    qAtomicAssign( mData, other.mData );

    return *this;

}

/*!

 *

 */

QString RadioPlayLogItem::artist() const

{

    return mData->mArtist;

}

/*!

 *

 */

void RadioPlayLogItem::setArtist( const QString& artist )

{

    if ( artist.compare( mData->mArtist ) != 0 ) {

        detach();

        mData->mArtist = artist;

    }

}

/*!

 *

 */

QString RadioPlayLogItem::title() const

{

    return mData->mTitle;

}

/*!

 *

 */

void RadioPlayLogItem::setTitle( const QString& title )

{

    if ( title.compare( mData->mTitle ) != 0 ) {

        detach();

        mData->mTitle = title;

    }

}

/*!

 *

 */

bool RadioPlayLogItem::isFavorite() const

{

    return mData->mFavorite;

}

/*!

 *

 */

void RadioPlayLogItem::setFavorite()

{

    if ( !mData->mFavorite ) {

        detach();

        mData->mFavorite = true;

    }

}

/*!

 *

 */

void RadioPlayLogItem::increasePlayCount()

{

    detach();

    ++mData->mPlayCount;

}

/*!

 *

 */

int RadioPlayLogItem::playCount() const

{

    return mData->mPlayCount;

}

/**

 * Decrements the reference count of the implicitly shared data.

 */

void RadioPlayLogItem::decrementReferenceCount()

{

    if ( !mData->ref.deref() ) {

        delete mData;

        mData = 0;

    }

}

/**

 * Detach from the implicitly shared data

 */

void RadioPlayLogItem::detach()

{

    if ( !isDetached() ) {

        RadioPlayLogItemPrivate* newData = new RadioPlayLogItemPrivate( *mData );

        decrementReferenceCount();

        newData->ref = 1;

        mData = newData;

    }

}

/**

 * Checks if the class is detached from implicitly shared data

 */

bool RadioPlayLogItem::isDetached() const

{

    return mData->ref == 1;

}