source: trunk/demos/qmediaplayer/mediaplayer.h

/****************************************************************************
**
** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation ([email protected])
**
** This file is part of the demonstration applications of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial Usage
** Licensees holding valid Qt Commercial licenses may use this file in
** accordance with the Qt Commercial License Agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Nokia.
**
** 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.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file.  Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
** If you have questions regarding the use of this file, please contact
** Nokia at [email protected].
** $QT_END_LICENSE$
**
***************************************************************************/

#ifndef MEDIALAYER_H
#define MEDIAPLAYER_H

#include <QtGui/QWidget>
#include <QtGui/QApplication>
#include <QtCore/QTimerEvent>
#include <QtGui/QShowEvent>
#include <QtGui/QIcon>
#include <QtCore/QBasicTimer>
#include <QtGui/QAction>

#include <phonon/audiooutput.h>
#include <phonon/backendcapabilities.h>
#include <phonon/effect.h>
#include <phonon/effectparameter.h>
#include <phonon/effectwidget.h>
#include <phonon/mediaobject.h>
#include <phonon/seekslider.h>
#include <phonon/videowidget.h>
#include <phonon/volumeslider.h>

QT_BEGIN_NAMESPACE
class QPushButton;
class QLabel;
class QSlider;
class QTextEdit;
class QMenu;
class Ui_settings;
QT_END_NAMESPACE

class MediaPlayer;

class MediaVideoWidget : public Phonon::VideoWidget
{
    Q_OBJECT

public:
    MediaVideoWidget(MediaPlayer *player, QWidget *parent = 0);

public slots:
    // Over-riding non-virtual Phonon::VideoWidget slot
    void setFullScreen(bool);

signals:
    void fullScreenChanged(bool);

protected:
    void mouseDoubleClickEvent(QMouseEvent *e);
    void keyPressEvent(QKeyEvent *e);
    bool event(QEvent *e);
    void timerEvent(QTimerEvent *e);
    void dropEvent(QDropEvent *e);
    void dragEnterEvent(QDragEnterEvent *e);

private:
    MediaPlayer *m_player;
    QBasicTimer m_timer;
    QAction m_action;
};

class MediaPlayer :
            public QWidget
{
    Q_OBJECT
public:
    MediaPlayer();

    void dragEnterEvent(QDragEnterEvent *e);
    void dragMoveEvent(QDragMoveEvent *e);
    void dropEvent(QDropEvent *e);
    void handleDrop(QDropEvent *e);
    void setFile(const QString &text);
    void setLocation(const QString &location);
    void initVideoWindow();
    void initSettingsDialog();
    void setVolume(qreal volume);
    void setSmallScreen(bool smallScreen);

public slots:
    void openFile();
    void rewind();
    void forward();
    void updateInfo();
    void updateTime();
    void finished();
    void playPause();
    void scaleChanged(QAction *);
    void aspectChanged(QAction *);

private slots:
    void setAspect(int);
    void setScale(int);
    void setSaturation(int);
    void setContrast(int);
    void setHue(int);
    void setBrightness(int);
    void stateChanged(Phonon::State newstate, Phonon::State oldstate);
    void effectChanged();
    void showSettingsDialog();
    void showContextMenu(const QPoint& point);
    void bufferStatus(int percent);
    void openUrl();
#ifdef Q_OS_SYMBIAN
    void selectIAP();
#endif
    void openRamFile();
    void configureEffect();
    void hasVideoChanged(bool);

private:
    bool playPauseForDialog();
#ifdef Q_OS_SYMBIAN
    void selectIAPL();
#endif

    QIcon playIcon;
    QIcon pauseIcon;
    QMenu *fileMenu;
    QPushButton *playButton;
    QPushButton *rewindButton;
    QPushButton *forwardButton;
    Phonon::SeekSlider *slider;
    QLabel *timeLabel;
    QLabel *progressLabel;
    Phonon::VolumeSlider *volume;
    QSlider *m_hueSlider;
    QSlider *m_satSlider;
    QSlider *m_contSlider;
    QLabel *info;
    Phonon::Effect *nextEffect;
    QDialog *settingsDialog;
    Ui_settings *ui;
    QAction *m_fullScreenAction;

    QWidget m_videoWindow;
    Phonon::MediaObject m_MediaObject;
    Phonon::AudioOutput m_AudioOutput;
    MediaVideoWidget *m_videoWidget;
    Phonon::Path m_audioOutputPath;
    bool m_smallScreen;
};

#endif //MEDIAPLAYER_H