/*

 * 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 "cnthistoryviewitem.h"

#include <cnthistorymodel.h>

#include <hbframedrawer.h>

#include <hbframeitem.h>

#include <QGraphicsWidget>

#define NEW_EVENT_FRAME "qtg_fr_list_new_item"

#define INCOMING_FOCUS_FRAME "qtg_fr_convlist_received_pressed"

#define OUTGOING_FOCUS_FRAME "qtg_fr_convlist_sent_pressed"

//---------------------------------------------------------------

// HbListViewItem::HbListViewItem

// Constructor

//---------------------------------------------------------------

CntHistoryViewItem::CntHistoryViewItem(QGraphicsItem* parent)

: HbListViewItem(parent),

  mIncoming(false),

  mNewMessage(false),

  mNewItem(NULL),

  mFocusItem(NULL)

{

}

//---------------------------------------------------------------

// HbListViewItem::createItem

// Create a new decorator item.

//---------------------------------------------------------------

HbAbstractViewItem* CntHistoryViewItem::createItem()

{

    return new CntHistoryViewItem(*this);

}

//---------------------------------------------------------------

// HbListViewItem::updateChildItems

//

//---------------------------------------------------------------

void CntHistoryViewItem::updateChildItems()

{

    int flags = modelIndex().data(CntFlagsRole).toInt();

    mIncoming = flags & CntIncoming ? true : false;

    mNewMessage = flags & CntUnseen ? true : false;

    if (mNewMessage)

    {

        if (!mNewItem)

        {

            mNewItem = new HbFrameItem(NEW_EVENT_FRAME, HbFrameDrawer::ThreePiecesVertical, this);

            style()->setItemName(mNewItem, "newitem");

        }

    }

    else

    {

        if (mNewItem)

        {

            delete mNewItem;

            mNewItem = NULL;

        }

    }

    HbListViewItem::updateChildItems();

}

//---------------------------------------------------------------

// HbAbstractViewItem::pressStateChanged

// This function is called whenever item press state changes.

//---------------------------------------------------------------

void CntHistoryViewItem::pressStateChanged(bool pressed, bool animate)

{

    Q_UNUSED(animate);

    if (pressed)

    {

        if (!mFocusItem)

        {

            // focus frame position can't be read from widgetml, we set it manually

            QRectF frameRect = HbWidget::primitive("frame")->boundingRect();

            QPointF framePoint = HbWidget::primitive("frame")->pos();

            frameRect.moveTo(framePoint);

            if (mIncoming)

            {

                mFocusItem = new HbFrameItem(INCOMING_FOCUS_FRAME, HbFrameDrawer::NinePieces, this);

            }

            else

            {

                mFocusItem = new HbFrameItem(OUTGOING_FOCUS_FRAME, HbFrameDrawer::NinePieces, this);

            }

            mFocusItem->setGeometry(frameRect);

            mFocusItem->setZValue(-1.0);

            style()->setItemName(mFocusItem, "focusframe");

        }

    }

    else

    {

        if (mFocusItem)

        {

            delete mFocusItem;

            mFocusItem = NULL;

        }

    }

}

bool CntHistoryViewItem::event(QEvent* e)

{

    bool result;

    if (e->type() == QEvent::GraphicsSceneResize)

    {

        // HbAbstractItemView has a performance improvement when drawing backrounds but seems

        // to screw the layout of history view items. This workaround fixes the issue. There should

        // be minimal performance drawbacks since GraphicsSceneResize events are quite few.

        // TODO: Remove this once Orbit changes their implementation. Not known when

        QGraphicsWidget *frame = static_cast<QGraphicsWidget*>(primitive("frame"));

        QRectF frameGeometry = frame->geometry();

        result = HbListViewItem::event(e);

        frame->setGeometry(frameGeometry);

    } 

    else

    {

        result = HbListViewItem::event(e);

    }

    return result;

}

// EOF