--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/demos/embedded/desktopservices/contenttab.cpp	Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,165 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the demonstration applications of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, 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 qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+// 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