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** This file is part of the demonstration applications of the Qt Toolkit.

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** contained in the Technology Preview License Agreement accompanying

** this package.

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// EXTERNAL INCLUDES

#include <QKeyEvent>

#include <QMessageBox>

#include <QListWidget>

#include <QVBoxLayout>

#include <QFileInfoList>

#include <QListWidgetItem>

// INTERNAL INCLUDES

// CLASS HEADER

#include "contenttab.h"

// CONSTRUCTORS & DESTRUCTORS

ContentTab::ContentTab(QWidget *parent) :

        QListWidget(parent)

{

    setDragEnabled(false);

    setIconSize(QSize(45, 45));

}

ContentTab::~ContentTab()

{

}

// NEW PUBLIC METHODS

void ContentTab::init(const QDesktopServices::StandardLocation &location,

                      const QString &filter,

                      const QString &icon)

{

    setContentDir(location);

    QStringList filterList;

    filterList = filter.split(";");

    m_ContentDir.setNameFilters(filterList);

    setIcon(icon);

    connect(this, SIGNAL(itemClicked(QListWidgetItem*)),

            this, SLOT(openItem(QListWidgetItem*)));

    populateListWidget();

}

// NEW PROTECTED METHODS

void ContentTab::setContentDir(const QDesktopServices::StandardLocation &location)

{

    m_ContentDir.setPath(QDesktopServices::storageLocation(location));

}

void ContentTab::setIcon(const QString &icon)

{

    m_Icon = QIcon(icon);

}

void ContentTab::populateListWidget()

{

    QFileInfoList fileList = m_ContentDir.entryInfoList(QDir::Files, QDir::Time);

    foreach(QFileInfo item, fileList) {

        new QListWidgetItem(m_Icon, itemName(item), this);

    }

}

QString ContentTab::itemName(const QFileInfo &item)

{

    return QString(item.baseName() + "." + item.completeSuffix());

}

QUrl ContentTab::itemUrl(QListWidgetItem *item)

{

    return QUrl("file:///" + m_ContentDir.absolutePath() + "/" + item->text());

}

void ContentTab::keyPressEvent(QKeyEvent *event)

{

    switch (event->key()) {

    case Qt::Key_Up:

        if (currentRow() == 0) {

            setCurrentRow(count() - 1);

        } else {

            setCurrentRow(currentRow() - 1);

        }

        break;

    case Qt::Key_Down:

        if (currentRow() == (count() - 1)) {

            setCurrentRow(0);

        } else {

            setCurrentRow(currentRow() + 1);

        }

        break;

    case Qt::Key_Select:

        openItem(currentItem());

    default:

        QListWidget::keyPressEvent(event);

        break;

    }

}

void ContentTab::handleErrorInOpen(QListWidgetItem *item)

{

    Q_UNUSED(item);

    QMessageBox::warning(this, tr("Operation Failed"), tr("Unkown error!"), QMessageBox::Close);

}

// NEW SLOTS

void ContentTab::openItem(QListWidgetItem *item)

{

#if defined(Q_OS_SYMBIAN) && defined(Q_CC_NOKIAX86)

    // Opening music files doesn't work in Symbian emulator and in some SDKs freezes the

    // emulator entirely, so prevent it.

    QStringList nameFilters = m_ContentDir.nameFilters();

    if (nameFilters.contains("*.mp3")) {

        QMessageBox::warning(this, tr("Operation Failed"), tr("Action not supported in emulator."),

                             QMessageBox::Close);

    } else

#endif

    {

        bool ret = QDesktopServices::openUrl(itemUrl(item));

        if (!ret)

            handleErrorInOpen(item);

    }

}

// End of File