/****************************************************************************

**

** 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 Qt Designer 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.

**

**

**

**

**

**

**

**

** $QT_END_LICENSE$

**

****************************************************************************/

#include "videoplayertaskmenu.h"

#include <QtDesigner/QDesignerFormWindowInterface>

#include <QtDesigner/QDesignerFormWindowCursorInterface>

#include <QtDesigner/QDesignerFormEditorInterface>

#include <QtDesigner/QExtensionManager>

#include <phonon/videoplayer.h>

#include <phonon/mediaobject.h>

#include <QtGui/QPlainTextEdit>

#include <QtGui/QDialogButtonBox>

#include <QtGui/QAction>

#include <QtGui/QVBoxLayout>

#include <QtGui/QFileDialog>

#include <QtGui/QMessageBox>

QT_BEGIN_NAMESPACE

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

class MimeTypeDialog : public QDialog {

    Q_DISABLE_COPY(MimeTypeDialog)

public:

    explicit MimeTypeDialog(QWidget *parent = 0);

    void setMimeTypes(const QStringList &);

private:

    QPlainTextEdit *m_plainTextEdit;

};

MimeTypeDialog::MimeTypeDialog(QWidget *parent) :

    QDialog(parent),

    m_plainTextEdit(new QPlainTextEdit)

{

    setModal(true);

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

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

    QVBoxLayout *layout = new QVBoxLayout;

    m_plainTextEdit->setReadOnly(true);

    layout->addWidget(m_plainTextEdit);

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

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

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

    layout->addWidget(buttonBox);

    setLayout(layout);

}

void MimeTypeDialog::setMimeTypes(const QStringList &l)

{

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

}

// ----------------- VideoPlayerTaskMenu

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

    QObject(parent),

    m_widget(object),

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

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

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

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

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

{

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

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

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

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

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

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

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

}

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

{

    const bool isPlaying = m_widget->isPlaying();

    const bool isPaused = m_widget->isPlaying();

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

    m_playAction->setEnabled(!isPlaying);

    m_pauseAction->setEnabled(isPlaying);

    m_stopAction->setEnabled(isPlaying || isPaused);

    return m_taskActions;

}

void VideoPlayerTaskMenu::slotMimeTypes()

{

    MimeTypeDialog mimeTypeDialog(m_widget->window());

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

    mimeTypeDialog.exec();

}

void VideoPlayerTaskMenu::slotLoad()

{

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

    if (fileName.isEmpty())

        return;

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

}

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

{

    if (newstate == Phonon::ErrorState) {

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

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

    }

}

QT_END_NAMESPACE