1 /****************************************************************************

     2 **

     3 ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).

     4 ** All rights reserved.

     5 ** Contact: Nokia Corporation (qt-info@nokia.com)

     6 **

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

     8 **

     9 ** $QT_BEGIN_LICENSE:LGPL$

    10 ** No Commercial Usage

    11 ** This file contains pre-release code and may not be distributed.

    12 ** You may use this file in accordance with the terms and conditions

    13 ** contained in the Technology Preview License Agreement accompanying

    14 ** this package.

    15 **

    16 ** GNU Lesser General Public License Usage

    17 ** Alternatively, this file may be used under the terms of the GNU Lesser

    18 ** General Public License version 2.1 as published by the Free Software

    19 ** Foundation and appearing in the file LICENSE.LGPL included in the

    20 ** packaging of this file.  Please review the following information to

    21 ** ensure the GNU Lesser General Public License version 2.1 requirements

    22 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.

    23 **

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

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

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

    27 **

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

    29 ** Nokia at qt-info@nokia.com.

    30 **

    31 **

    32 **

    33 **

    34 **

    35 **

    36 **

    37 **

    38 ** $QT_END_LICENSE$

    39 **

    40 ****************************************************************************/

    41 

    42 // EXTERNAL INCLUDES

    43 #include <QKeyEvent>

    44 #include <QMessageBox>

    45 #include <QListWidget>

    46 #include <QVBoxLayout>

    47 #include <QFileInfoList>

    48 #include <QListWidgetItem>

    49 

    50 // INTERNAL INCLUDES

    51 

    52 // CLASS HEADER

    53 #include "contenttab.h"

    54 

    55 

    56 // CONSTRUCTORS & DESTRUCTORS

    57 ContentTab::ContentTab(QWidget *parent) :

    58         QListWidget(parent)

    59 {

    60     setDragEnabled(false);

    61     setIconSize(QSize(45, 45));

    62 }

    63 

    64 ContentTab::~ContentTab()

    65 {

    66 }

    67 

    68 // NEW PUBLIC METHODS

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

    70                       const QString &filter,

    71                       const QString &icon)

    72 {

    73     setContentDir(location);

    74     QStringList filterList;

    75     filterList = filter.split(";");

    76     m_ContentDir.setNameFilters(filterList);

    77     setIcon(icon);

    78 

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

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

    81 

    82     populateListWidget();

    83 }

    84 

    85 // NEW PROTECTED METHODS

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

    87 {

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

    89 }

    90 

    91 void ContentTab::setIcon(const QString &icon)

    92 {

    93     m_Icon = QIcon(icon);

    94 }

    95 

    96 void ContentTab::populateListWidget()

    97 {

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

    99     foreach(QFileInfo item, fileList) {

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

   101     }

   102 }

   103 

   104 QString ContentTab::itemName(const QFileInfo &item)

   105 {

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

   107 }

   108 

   109 QUrl ContentTab::itemUrl(QListWidgetItem *item)

   110 {

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

   112 }

   113 

   114 void ContentTab::keyPressEvent(QKeyEvent *event)

   115 {

   116     switch (event->key()) {

   117     case Qt::Key_Up:

   118         if (currentRow() == 0) {

   119             setCurrentRow(count() - 1);

   120         } else {

   121             setCurrentRow(currentRow() - 1);

   122         }

   123         break;

   124     case Qt::Key_Down:

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

   126             setCurrentRow(0);

   127         } else {

   128             setCurrentRow(currentRow() + 1);

   129         }

   130         break;

   131     case Qt::Key_Select:

   132         openItem(currentItem());

   133     default:

   134         QListWidget::keyPressEvent(event);

   135         break;

   136     }

   137 }

   138 

   139 void ContentTab::handleErrorInOpen(QListWidgetItem *item)

   140 {

   141     Q_UNUSED(item);

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

   143 }

   144 

   145 // NEW SLOTS

   146 void ContentTab::openItem(QListWidgetItem *item)

   147 {

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

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

   150     // emulator entirely, so prevent it.

   151     QStringList nameFilters = m_ContentDir.nameFilters();

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

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

   154                              QMessageBox::Close);

   155     } else

   156 #endif

   157     {

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

   159         if (!ret)

   160             handleErrorInOpen(item);

   161     }

   162 }

   163 

   164 

   165 // End of File