/*

* 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;

}