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     2 **

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

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

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     7 ** This file is part of the Qt Designer of the Qt Toolkit.

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    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

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    38 ** $QT_END_LICENSE$

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

    41 

    42 #include "videoplayertaskmenu.h"

    43 

    44 #include <QtDesigner/QDesignerFormWindowInterface>

    45 #include <QtDesigner/QDesignerFormWindowCursorInterface>

    46 #include <QtDesigner/QDesignerFormEditorInterface>

    47 #include <QtDesigner/QExtensionManager>

    48 

    49 #include <phonon/videoplayer.h>

    50 #include <phonon/mediaobject.h>

    51 

    52 #include <QtGui/QPlainTextEdit>

    53 #include <QtGui/QDialogButtonBox>

    54 #include <QtGui/QAction>

    55 #include <QtGui/QVBoxLayout>

    56 #include <QtGui/QFileDialog>

    57 #include <QtGui/QMessageBox>

    58 

    59 QT_BEGIN_NAMESPACE

    60 

    61 // -----------------  MimeTypeDialog: Display mime types in scrollable text

    62 

    63 class MimeTypeDialog : public QDialog {

    64     Q_DISABLE_COPY(MimeTypeDialog)

    65 public:

    66     explicit MimeTypeDialog(QWidget *parent = 0);

    67 

    68     void setMimeTypes(const QStringList &);

    69 

    70 private:

    71     QPlainTextEdit *m_plainTextEdit;

    72 };

    73 

    74 MimeTypeDialog::MimeTypeDialog(QWidget *parent) :

    75     QDialog(parent),

    76     m_plainTextEdit(new QPlainTextEdit)

    77 {

    78     setModal(true);

    79     setWindowTitle(VideoPlayerTaskMenu::tr("Available Mime Types"));

    80     setWindowFlags(windowFlags() & ~Qt::WindowContextHelpButtonHint);

    81 

    82     QVBoxLayout *layout = new QVBoxLayout;

    83     m_plainTextEdit->setReadOnly(true);

    84     layout->addWidget(m_plainTextEdit);

    85 

    86     QDialogButtonBox *buttonBox = new QDialogButtonBox(QDialogButtonBox::Ok);

    87     connect(buttonBox, SIGNAL(accepted()), this, SLOT(accept()));

    88     connect(buttonBox, SIGNAL(rejected()), this, SLOT(reject()));

    89     layout->addWidget(buttonBox);

    90 

    91     setLayout(layout);

    92 }

    93 

    94 void MimeTypeDialog::setMimeTypes(const QStringList &l)

    95 {

    96     m_plainTextEdit->setPlainText(l.join(QString(1, QLatin1Char('\n'))));

    97 }

    98 

    99 // ----------------- VideoPlayerTaskMenu

   100 VideoPlayerTaskMenu::VideoPlayerTaskMenu(Phonon::VideoPlayer *object, QObject *parent) :

   101     QObject(parent),

   102     m_widget(object),

   103     m_displayMimeTypesAction(new QAction(tr("Display supported mime types..."), this)),

   104     m_loadAction(new QAction(tr("Load..."), this)),

   105     m_playAction(new QAction(tr("Play"), this)),

   106     m_pauseAction(new QAction(tr("Pause"), this)),

   107     m_stopAction(new QAction(tr("Stop"), this))

   108 {

   109     m_taskActions << m_displayMimeTypesAction << m_loadAction << m_playAction << m_pauseAction << m_stopAction;

   110 

   111     connect(m_widget->mediaObject(), SIGNAL(stateChanged(Phonon::State,Phonon::State)), this, SLOT(mediaObjectStateChanged(Phonon::State,Phonon::State)));

   112     connect(m_displayMimeTypesAction, SIGNAL(triggered()), this, SLOT(slotMimeTypes()));

   113     connect(m_loadAction, SIGNAL(triggered()), this, SLOT(slotLoad()));

   114     connect(m_playAction, SIGNAL(triggered()), object, SLOT(play()));

   115     connect(m_pauseAction, SIGNAL(triggered()), object, SLOT(pause()));

   116     connect(m_stopAction, SIGNAL(triggered()), object, SLOT(stop()));

   117 }

   118 

   119 QList<QAction*> VideoPlayerTaskMenu::taskActions() const

   120 {

   121     const bool isPlaying = m_widget->isPlaying();

   122     const bool isPaused = m_widget->isPlaying();

   123     m_loadAction->setEnabled(!isPlaying && !isPaused);

   124     m_playAction->setEnabled(!isPlaying);

   125     m_pauseAction->setEnabled(isPlaying);

   126     m_stopAction->setEnabled(isPlaying || isPaused);

   127     return m_taskActions;

   128 }

   129 

   130 void VideoPlayerTaskMenu::slotMimeTypes()

   131 {

   132     MimeTypeDialog mimeTypeDialog(m_widget->window());

   133     mimeTypeDialog.setMimeTypes(Phonon::BackendCapabilities::availableMimeTypes());

   134     mimeTypeDialog.exec();

   135 }

   136 

   137 void VideoPlayerTaskMenu::slotLoad()

   138 {

   139     const QString fileName = QFileDialog::getOpenFileName(m_widget->window(), tr("Choose Video Player Media Source"));

   140     if (fileName.isEmpty())

   141         return;

   142     m_widget->load(Phonon::MediaSource(fileName));

   143 

   144 }

   145 

   146 void VideoPlayerTaskMenu::mediaObjectStateChanged(Phonon::State newstate, Phonon::State /* oldstate */)

   147 {

   148     if (newstate == Phonon::ErrorState) {

   149         const QString msg = tr("An error has occurred in '%1': %2").arg(m_widget->objectName(), m_widget->mediaObject()->errorString());

   150         QMessageBox::warning(m_widget->window(), tr("Video Player Error"), msg);

   151     }

   152 }

   153 

   154 QT_END_NAMESPACE