/****************************************************************************

**

** Copyright (C) 2008-2010 Nokia Corporation and/or its subsidiary(-ies).

** All rights reserved.

** Contact: Nokia Corporation (developer.feedback@nokia.com)

**

** This file is part of the HbWidgets module of the UI Extensions for Mobile.

**

** GNU Lesser General Public License Usage

** This file may be used under the terms of the GNU Lesser General Public

** License version 2.1 as published by the Free Software Foundation and

** appearing in the file LICENSE.LGPL included in the packaging of this file.

** Please review the following information to ensure the GNU Lesser General

** Public License version 2.1 requirements will be met:

** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.

**

** In addition, as a special exception, Nokia gives you certain additional

** rights.  These rights are described in the Nokia Qt LGPL Exception

** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.

**

** If you have questions regarding the use of this file, please contact

** Nokia at developer.feedback@nokia.com.

**

****************************************************************************/

#include "hbcombodropdown_p.h"

#include "hbcombobox_p.h"

#include <hblistview.h>

#include <hbwidgetfeedback.h>

#ifdef HB_GESTURE_FW

#include <hbtapgesture.h>

#include <hbpangesture.h>

#endif

HbComboDropDown::HbComboDropDown( HbComboBoxPrivate *comboBoxPrivate, QGraphicsItem *parent )

        :HbWidget( parent ),

         mList( 0 ),

         comboPrivate( comboBoxPrivate ),

         vkbOpened( false ),

         backgroundPressed( false )

{

    setBackgroundItem( HbStyle::P_ComboBoxPopup_background );

    #if QT_VERSION >= 0x040600

        //this is to keep the focus in the previous widget.

        setFlag( QGraphicsItem::ItemIsPanel, true );

        setActive( false );

    #endif

    //setFlag(QGraphicsItem::ItemIsPanel);

    //setPanelModality(PanelModal);

}

HbComboDropDown::~HbComboDropDown( )

{

}

void HbComboDropDown::createList( )

{

   mList = new HbListView( this );

   mList->setLongPressEnabled(false);

   HbComboListViewItem *protoType = new HbComboListViewItem(this);

   mList->setItemPrototype( protoType );

   HbStyle::setItemName( mList, "list" );

   mList->setUniformItemSizes( true );

   mList->setSelectionMode( HbAbstractItemView::SingleSelection );

}

void HbComboDropDown::keypadOpened( )

{

    vkbOpened = true;

    comboPrivate->vkbOpened();

}

void HbComboDropDown::keypadClosed( )

{

    vkbOpened = false;

    comboPrivate->vkbClosed();

}

bool HbComboDropDown::eventFilter( QObject *obj, QEvent *event )

{

    Q_UNUSED( obj );

    bool accepted = false;

    if ( isVisible( ) && !vkbOpened ) {

        switch( event->type( ) )

        {

        case QEvent::GraphicsSceneMousePress:

        case QEvent::GraphicsSceneMouseDoubleClick:

            {

                if( !( this->isUnderMouse( ) ) ) {

                    backgroundPressed = true;

                    accepted = true;

                }

            }

            break;

        case QEvent::GraphicsSceneMouseRelease:

            {

                if( !( this->isUnderMouse( ) ) && backgroundPressed ) {

                    HbWidgetFeedback::triggered( this, Hb::InstantPopupClosed );

                    setVisible( false );

                    backgroundPressed = false;

                    accepted = true;

                }

            }

            break;

        case QEvent::Gesture:

            {

                if( !this->isUnderMouse() ) {

                    //if its a pan gesture then don't accept the event so that list can be scrolled

                    //even if mouse is outside drop down area

                    if(QGestureEvent *gestureEvent = static_cast<QGestureEvent *>( event ) ) {

                        if( !qobject_cast<HbPanGesture *>( gestureEvent->gesture( Qt::PanGesture ) ) ) {

                            accepted = true;

                        }

                    }

                }

            }

            break;

        default:

            break;

        }

    }

    return accepted;

}

#include "moc_hbcombodropdown_p.cpp"