/*

* 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:

*

*/

#include "nmuiengineheaders.h"

/*!

    \class NmMessageListModelItem

    \brief The NmMessageListModelItem class represents data for NmMessageListModel.

    @alpha

    The NmMessageListModelItem class provides an item that is 

    used by NmMessageListModel and its' data

    method to get all information needed for one list row for a widget by calling the method once.

*/

class NmMessageListModelItemPrivate

{

public:

    // mEnvelope is not created here to avoid unnecessary create/delete operations,

    // usual use case is setEnvelope

	NmMessageListModelItemPrivate()

	:mEnvelope(NULL), 

    mType(NmMessageListModelItem::NmMessageItemMessage),

	mExpanded(false) {}

	virtual ~NmMessageListModelItemPrivate(){ delete mEnvelope; }

	NmMessageEnvelope *mEnvelope;

    QString mDivider;

    NmMessageListModelItem::NmMessageItemType mType;

    bool mExpanded;

};

/*!

    Constructor.

*/

NmMessageListModelItem::NmMessageListModelItem()

{

    NM_FUNCTION;

    d = new NmMessageListModelItemPrivate();

}

/*!

    Destructor.

*/

NmMessageListModelItem::~NmMessageListModelItem()

{

    NM_FUNCTION;

    delete d;

}

/*!

    Sets message envelope to list model item. Makes own copy from envelope.

*/

void NmMessageListModelItem::setEnvelope(const NmMessageEnvelope &envelope)

{

    NM_FUNCTION;

    delete d->mEnvelope;

    d->mEnvelope = new NmMessageEnvelope(envelope);

	emitDataChanged();

}

/*!

    Sets message envelope pointer to list model item. Takes envelope ownership.

*/

void NmMessageListModelItem::setEnvelope(NmMessageEnvelope *envelope)

{

    NM_FUNCTION;

    if (envelope) {

        delete d->mEnvelope;

        d->mEnvelope = envelope;

	    emitDataChanged();

    }

}

/*!

    Returns const reference to envelope data

*/

const NmMessageEnvelope &NmMessageListModelItem::envelope() const

{

    NM_FUNCTION;

    if (!d->mEnvelope) {

        d->mEnvelope = new NmMessageEnvelope();

    }

	return *(d->mEnvelope);

}

/*!

    Returns pointer to envelope data, ownership of envelope object is not transferred. Do not

    delete or null envelope object

*/

NmMessageEnvelope *NmMessageListModelItem::envelopePtr()

{

    NM_FUNCTION;

    if (!d->mEnvelope) {

        d->mEnvelope = new NmMessageEnvelope();

    }

	return d->mEnvelope;

}

/*!

    Returns item type, list item can be divider or message

*/

NmMessageListModelItem::NmMessageItemType NmMessageListModelItem::itemType() const

{

    NM_FUNCTION;

    return d->mType;

}

/*!

    Sets item type

*/

void NmMessageListModelItem::setItemType(NmMessageListModelItem::NmMessageItemType type)

{

    NM_FUNCTION;

    d->mType = type;

}

/*!

    Title divider accessor

*/

QString NmMessageListModelItem::titleDivider() const

{

    NM_FUNCTION;

    return d->mDivider;

}

/*!

    Set Title divider.

*/

void NmMessageListModelItem::setTitleDivider(const QString &divider)

{

    NM_FUNCTION;

    d->mDivider = divider;

}

/*!

    Returns boolean is divider expanded

*/

bool NmMessageListModelItem::expanded() const

{

    NM_FUNCTION;

    return d->mExpanded;

}

/*!

    Sets item expanded

*/

void NmMessageListModelItem::setExpanded(bool expanded)

{

    NM_FUNCTION;

    d->mExpanded = expanded;

}

/*

    Emits data changed signal

 */

void NmMessageListModelItem::callEmitDataChanged()

{

    NM_FUNCTION;

    emitDataChanged();

}