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Plasma

videowidget.h

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00001 /*
00002  *   Copyright 2009 Marco Martin <notmart@gmail.com>
00003  *
00004  *   This program is free software; you can redistribute it and/or modify
00005  *   it under the terms of the GNU Library General Public License as
00006  *   published by the Free Software Foundation; either version 2, or
00007  *   (at your option) any later version.
00008  *
00009  *   This program is distributed in the hope that it will be useful,
00010  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
00011  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00012  *   GNU General Public License for more details
00013  *
00014  *   You should have received a copy of the GNU Library General Public
00015  *   License along with this program; if not, write to the
00016  *   Free Software Foundation, Inc.,
00017  *   51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
00018  */
00019 
00020 #ifndef PLASMA_VIDEOWIDGET_H
00021 #define PLASMA_VIDEOWIDGET_H
00022 
00023 #include <QtGui/QGraphicsProxyWidget>
00024 
00025 #include <plasma/plasma_export.h>
00026 
00027 namespace Phonon {
00028     class VideoWidget;
00029     class MediaObject;
00030     class AudioOutput;
00031 }
00032 
00033 class KUrl;
00034 
00035 namespace Plasma
00036 {
00037 
00038 class VideoWidgetPrivate;
00039 
00048 class PLASMA_EXPORT VideoWidget : public QGraphicsProxyWidget
00049 {
00050     Q_OBJECT
00051 
00052     Q_PROPERTY(QString url READ url WRITE setUrl)
00053     Q_PROPERTY(qint64 currentTime READ currentTime)
00054     Q_PROPERTY(qint64 totalTime READ totalTime)
00055     Q_PROPERTY(qint64 remainingTime READ remainingTime)
00056     Q_PROPERTY(Controls usedControls READ usedControls WRITE setUsedControls)
00057     Q_PROPERTY(bool controlsVisible READ controlsVisible WRITE setControlsVisible)
00058     Q_PROPERTY(QString styleSheet READ styleSheet WRITE setStyleSheet)
00059     Q_ENUMS(Control)
00060 
00061 public:
00062     enum Control {
00063         NoControls = 0,
00064         Play = 1,
00065         Pause = 2,
00066         Stop = 4,
00067         PlayPause = 8,
00068         Previous = 16,
00069         Next = 32,
00070         Progress = 64,
00071         Volume = 128,
00072         OpenFile = 128,
00073         DefaultControls = PlayPause|Progress|Volume|OpenFile
00074     };
00075     Q_DECLARE_FLAGS(Controls, Control)
00076 
00077     explicit VideoWidget(QGraphicsWidget *parent = 0);
00078     ~VideoWidget();
00079 
00084     void setUrl(const QString &url);
00085 
00089     QString url() const;
00090 
00095     Q_INVOKABLE Phonon::MediaObject *mediaObject() const;
00096 
00101     Q_INVOKABLE Phonon::AudioOutput *audioOutput() const;
00102 
00106     qint64 currentTime() const;
00107 
00111     qint64 totalTime() const;
00112 
00116     qint64 remainingTime() const;
00117 
00124     void setUsedControls(const Controls controls);
00125 
00130     Controls usedControls() const;
00131 
00138     void setControlsVisible(bool visible);
00139 
00143     bool controlsVisible() const;
00144 
00150     void setStyleSheet(const QString &stylesheet);
00151 
00155     QString styleSheet();
00156 
00160     Phonon::VideoWidget *nativeWidget() const;
00161 
00162 public Q_SLOTS:
00163 
00167     void play();
00168 
00172     void pause();
00173 
00177     void stop();
00178 
00183     void seek(qint64 time);
00184 
00185 Q_SIGNALS:
00190     void tick(qint64 time);
00191 
00195     void aboutToFinish();
00196 
00201     void nextRequested();
00202 
00207     void previousRequested();
00208 
00209 protected:
00210     void resizeEvent(QGraphicsSceneResizeEvent *event);
00211     void hoverEnterEvent(QGraphicsSceneHoverEvent *event);
00212     void hoverLeaveEvent(QGraphicsSceneHoverEvent *event);
00213     void hoverMoveEvent(QGraphicsSceneHoverEvent *event);
00214 
00215 private:
00216     VideoWidgetPrivate * const d;
00217 
00218     Q_PRIVATE_SLOT(d, void playPause())
00219     Q_PRIVATE_SLOT(d, void ticked(qint64 progress))
00220     Q_PRIVATE_SLOT(d, void totalTimeChanged(qint64 time))
00221     Q_PRIVATE_SLOT(d, void setPosition(int progress))
00222     Q_PRIVATE_SLOT(d, void setVolume(int value))
00223     Q_PRIVATE_SLOT(d, void volumeChanged(qreal value))
00224     Q_PRIVATE_SLOT(d, void showOpenFileDialog())
00225     Q_PRIVATE_SLOT(d, void stateChanged(Phonon::State newState, Phonon::State oldState))
00226     Q_PRIVATE_SLOT(d, void hideControlWidget())
00227     Q_PRIVATE_SLOT(d, void slidingCompleted(QGraphicsItem *item))
00228 };
00229 
00230 } // namespace Plasma
00231 
00232 #endif // multiple inclusion guard

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