/*

* 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 <hbmenu.h>

#include <hbtoolbar.h>

#include <hbaction.h>

#include <hblistview.h>

#include <hblistviewitem.h>

#include <hbscrollbar.h>

#include <HbGroupBox>

#include <HbMarqueeItem>

#include <HbLabel>

#include <hbframedrawer.h>

#include <hbframeitem.h>

#include "irviewmanager.h"

#include "irabstractlistviewbase.h"

#include "irplaycontroller.h"

#include "irapplication.h"

#include "irqmetadata.h"

#include "irqisdsdatastructure.h"

#include "irqisdsclient.h"

#include "irqenums.h"

#include "iruidefines.h"

const int KAnimationLoopTimes = 2; // Animation loop times

#define NOW_PLAYING_BANNER_FRAME "qtg_fr_multimedia_trans"

IrAbstractListViewBase::IrAbstractListViewBase(IRApplication *aApplication, TIRViewId aViewId)

    : IRBaseView(aApplication, aViewId),

      iStationName(NULL),

      iArtistSongName(NULL),

      iHeadingLabel(NULL),

      iCollectionsAction(NULL), iFavoritesAction(NULL),

      iGenresAction(NULL), iSearchAction(NULL),iConvertTimer(NULL),

      iViewParameter(EIRViewPara_InvalidId)

{

    // Create widget hierarchy

    setObjectName( ABSTRACT_LIST_VIEW_BASE_OBJECT_VIEW );

    // List existing root elements - this allows us to refer to objects in the XML 

    // which are created outside the document.

    QObjectList roots;

    roots.append( this ); // abstractlistviewbase is referred in the XML document

    iLoader.setObjectTree( roots );

    // Load the XML file

    iLoader.load(ABSTRACT_LIST_VIEW_BASE_LAYOUT_FILENAME);

    iLoader.load(ABSTRACT_LIST_VIEW_BASE_LAYOUT_FILENAME, ABSTRACT_LIST_VIEW_BASE_NO_PLAYINGBANNER_SECTION);

}

IrAbstractListViewBase::~IrAbstractListViewBase()

{

}

void IrAbstractListViewBase::initMenu()

{

    HbMenu *viewMenu = menu();

    connect(viewMenu, SIGNAL(aboutToShow()), this, SLOT(prepareMenu()));

    QObject *openWebAddressAction = qobject_cast<HbAction *>(iLoader.findObject(GO_TO_STATION_ACTION));

    connect(openWebAddressAction, SIGNAL(triggered()), this, SLOT(openWebAddress()));

    QObject *settings = iLoader.findObject(SETTINGS_ACTION);

    connect(settings, SIGNAL(triggered()), this, SLOT(launchSettingsView())); 

    QObject *exitAction = iLoader.findObject(EXIT_ACTION);

    connect(exitAction, SIGNAL(triggered()), iApplication, SIGNAL(quit()));

}

void IrAbstractListViewBase::initToolBar()

{

    QActionGroup *actionGroup = new QActionGroup(this);

    iCollectionsAction = qobject_cast<HbAction *>(iLoader.findObject(ABSTRACT_LIST_VIEW_BASE_OBJECT_COLLECTION_ACTION));

	iCollectionsAction->setActionGroup(actionGroup);

	iFavoritesAction = qobject_cast<HbAction *>(iLoader.findObject(ABSTRACT_LIST_VIEW_BASE_OBJECT_FAVORITE_ACTION));

	iFavoritesAction->setActionGroup(actionGroup);

	iGenresAction = qobject_cast<HbAction *>(iLoader.findObject(ABSTRACT_LIST_VIEW_BASE_OBJECT_GENRE_ACTION));

	iGenresAction->setActionGroup(actionGroup);	 

	iSearchAction = qobject_cast<HbAction *>(iLoader.findObject(ABSTRACT_LIST_VIEW_BASE_OBJECT_SEARCH_ACTION));

	iSearchAction->setActionGroup(actionGroup);

	connect(iCollectionsAction, SIGNAL(triggered()), this, SLOT(collectionsActionClicked()));

	connect(iFavoritesAction, SIGNAL(triggered()), this, SLOT(favoritesActionClicked()));

	connect(iSearchAction, SIGNAL(triggered()), this, SLOT(searchActionClicked()));

	connect(iGenresAction, SIGNAL(triggered()), iApplication, SLOT(loadGenre()));

	setCheckedAction();

}

void IrAbstractListViewBase::initContentWidget()

{

    iHeadingLabel = qobject_cast<HbGroupBox *>(iLoader.findWidget(ABSTRACT_LIST_VIEW_BASE_OBJECT_HEADINGTEXTLABEL));

    QFont font;

    font.setBold(true);

    iHeadingLabel->setFont(font);

    iStationName = qobject_cast<HbLabel *>(iLoader.findWidget(ABSTRACT_LIST_VIEW_BASE_OBJECT_STATIONNAME));

    iStationName->setFont(font);

    iArtistSongName = qobject_cast<HbMarqueeItem *>(iLoader.findWidget(ABSTRACT_LIST_VIEW_BASE_OBJECT_ARTISTSONGNAME));

    iArtistSongName->setLoopCount(KAnimationLoopTimes);

    iListView = qobject_cast<HbListView *>(iLoader.findObject(ABSTRACT_LIST_VIEW_BASE_OBJECT_LISTVIEW));

    iListView->listItemPrototype()->setGraphicsSize(HbListViewItem::LargeIcon);

    // draw background for now playing banner

    HbFrameDrawer* drawer = new HbFrameDrawer(NOW_PLAYING_BANNER_FRAME, HbFrameDrawer::NinePieces);

    if (backgroundItem)

    {

        // set item to fill the whole widget

        backgroundItem->setZValue(0);

    }

}

void IrAbstractListViewBase::initScrollBar()

{

    HbScrollBar *scrollbar = iListView->verticalScrollBar();

    scrollbar->setVisible(true);

    scrollbar->setInteractive(true);

    iListView->setVerticalScrollBarPolicy(HbScrollArea::ScrollBarAsNeeded);

}

void IrAbstractListViewBase::setViewParameter(TIRViewParameter aParameter)

{

    iViewParameter = aParameter;

}

TIRViewParameter IrAbstractListViewBase::getViewParameter() const

{

    return iViewParameter;

}

void IrAbstractListViewBase::setCheckedAction()

{       

    //default implementation

    QList<QAction*> actionList = iCollectionsAction->actionGroup()->actions();

    for (QList<QAction*>::const_iterator it = actionList.begin(); it != actionList.end(); ++it)

    {

        (*it)->setChecked(false);

    }

}

void IrAbstractListViewBase::setHeadingText(const QString &aText)

{

    if (iHeadingLabel)

    {

        iHeadingLabel->setHeading(aText);

    }

}

void IrAbstractListViewBase::resetCurrentItem()

{

}

void IrAbstractListViewBase::storeCurrentItem()

{

}

/*

 * handle the signal of one item being selected.

 * Default implementation is doing nothing.

 */

void IrAbstractListViewBase::handleItemSelected()

{

}

/*

 * we call the functin when we handle the handleitemselect.

 * The return value shows wether we need to connect to the

 * network, true means we connect and false means do not

 */

void IrAbstractListViewBase::itemAboutToBeSelected(bool &aNeedNetwork)

{    

    aNeedNetwork =  true;

}

TIRHandleResult IrAbstractListViewBase::handleCommand(TIRViewCommand aCommand, TIRViewCommandReason aReason)

{

    Q_UNUSED(aReason);

    TIRHandleResult ret = EIR_DoDefault;

    if (!initCompleted())

    {

        return ret;

    }

    switch (aCommand)

    {

    case EIR_ViewCommand_TOBEACTIVATED:

        updateView();

        break;

    case EIR_ViewCommand_ACTIVATED:

        iArtistSongName->stopAnimation();

        iArtistSongName->startAnimation();

        break;

    case EIR_ViewCommand_DEACTIVATE:

        storeCurrentItem();

        iArtistSongName->stopAnimation();

        ret = EIR_NoDefault;

        break;

    default:

        break;

    }

    return ret;

}

/*

 * When a view is shown, update the view.

 */

void IrAbstractListViewBase::updateView()

{

    updateBanner(getViewManager()->orientation());

    setCheckedAction();

}

void IrAbstractListViewBase::handleOrientationChanged(Qt::Orientation aOrientation)

{

    updateBanner(aOrientation);

}

void IrAbstractListViewBase::lazyInit()

{

    if (!initCompleted())

    {

        IRBaseView::lazyInit();

        initMenu();

        initContentWidget();

        initScrollBar();

        initToolBar();

        connect(iListView, SIGNAL(activated(const QModelIndex&)), this, SLOT(clickItem(const QModelIndex&)));

        connect(iListView, SIGNAL(longPressed(HbAbstractViewItem *,const QPointF&)), this, SLOT(listViewLongPressed(HbAbstractViewItem *,const QPointF&)));

        connect(iPlayController, SIGNAL(metaDataAvailable(IRQMetaData*)), this, SLOT(metaDataAvailable(IRQMetaData*)));

        connect(iPlayController, SIGNAL(playingStopped()), this, SLOT(removeBanner()));

        connect(getViewManager(), SIGNAL(orientationChanged(Qt::Orientation)),

                this, SLOT(handleOrientationChanged(Qt::Orientation)));

    }

}

void IrAbstractListViewBase::collectionsActionClicked()

{

    getViewManager()->activateView(EIRView_MainView);

}

void IrAbstractListViewBase::favoritesActionClicked()

{

    getViewManager()->activateView(EIRView_FavoritesView);

}

void IrAbstractListViewBase::searchActionClicked()

{

    getViewManager()->activateView(EIRView_SearchView);

}

void IrAbstractListViewBase::openWebAddress()

{

    getViewManager()->activateView(EIRView_OpenWebAddressView);

}

/*

 * dynamically set the text of menu item or remove menu item.

 * Concrete classes can override this function if needed

 */

void IrAbstractListViewBase::prepareMenu()

{

}

void IrAbstractListViewBase::updateBanner(Qt::Orientation aOrientation)

{

    if ((aOrientation == Qt::Vertical) && iPlayController->isPlaying())

    {

        IRQMetaData *metaData = iPlayController->getMetaData();

        if (metaData && "" != metaData->getArtistSongName().trimmed() &&

            "-" != metaData->getArtistSongName().trimmed())

        {

            //set the banner text as song name

            addBanner(metaData->getArtistSongName(), true);

        }

        else

        {

            //set the banner text as station name

            IRQPreset *nowPlayingPreset = iPlayController->getNowPlayingPreset();

            Q_ASSERT(nowPlayingPreset);

            addBanner(nowPlayingPreset->name, false);

        }

    }

    else

    {

        removeBanner();

    }

}

void IrAbstractListViewBase::addBanner(const QString &aText, const bool &aMetaDataFlag)

{

    iLoader.load(ABSTRACT_LIST_VIEW_BASE_LAYOUT_FILENAME, ABSTRACT_LIST_VIEW_BASE_WITH_PLAYINGBANNER_SECTION);

    iStationName->setPlainText(iPlayController->getNowPlayingPreset()->name);

    if (aMetaDataFlag)

    {

        iArtistSongName->setText(aText);

        // As the metadata is changed, the animation should be started again.

        iArtistSongName->stopAnimation();

        iArtistSongName->startAnimation();

    }

    else

    {

        iArtistSongName->setText(" ");

    }

}

void IrAbstractListViewBase::launchSettingsView()

{

    getViewManager()->activateView(EIRView_SettingsView);

}

void IrAbstractListViewBase::metaDataAvailable(IRQMetaData* aMetaData)

{

    Q_UNUSED(aMetaData);

    if (getViewManager()->currentView() != this)

    {

        return;

    }

    updateBanner(getViewManager()->orientation());

}

void IrAbstractListViewBase::removeBanner()

{

    iArtistSongName->stopAnimation();

    iLoader.load(ABSTRACT_LIST_VIEW_BASE_LAYOUT_FILENAME, ABSTRACT_LIST_VIEW_BASE_NO_PLAYINGBANNER_SECTION);

}

void IrAbstractListViewBase::listViewLongPressed(HbAbstractViewItem *aItem, const QPointF &aCoords)

{    

    Q_UNUSED(aItem);

    Q_UNUSED(aCoords);

}

void IrAbstractListViewBase::clickItem(const QModelIndex &aIndex)

{   

    Q_UNUSED(aIndex);

    bool needNetwork;

    itemAboutToBeSelected(needNetwork);     

    if (needNetwork)

    {

        setUseNetworkReason(EIR_UseNetwork_SelectItem);

        if (false == iApplication->verifyNetworkConnectivity())

        {

            return;

        }

        setUseNetworkReason(EIR_UseNetwork_NoReason);

    }

    handleItemSelected();          

}