File indexing completed on 2021-12-21 13:27:56

0001 /**
0002  * Copyright (C) 2004 Scott Wheeler <wheeler@kde.org>
0003  * Copyright (C) 2007 Matthias Kretz <kretz@kde.org>
0004  * Copyright (C) 2008 Michael Pyne <mpyne@kde.org>
0005  *
0006  * This program is free software; you can redistribute it and/or modify it under
0007  * the terms of the GNU General Public License as published by the Free Software
0008  * Foundation; either version 2 of the License, or (at your option) any later
0009  * version.
0010  *
0011  * This program is distributed in the hope that it will be useful, but WITHOUT ANY
0012  * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
0013  * PARTICULAR PURPOSE. See the GNU General Public License for more details.
0014  *
0015  * You should have received a copy of the GNU General Public License along with
0016  * this program.  If not, see <http://www.gnu.org/licenses/>.
0017  */
0018 
0019 #ifndef JUK_PLAYERMANAGER_H
0020 #define JUK_PLAYERMANAGER_H
0021 
0022 #include <QObject>
0023 
0024 #include "filehandle.h"
0025 
0026 #include <Phonon/Global>
0027 #include <Phonon/Path>
0028 
0029 class PlaylistInterface;
0030 class QPixmap;
0031 
0032 namespace Phonon
0033 {
0034     class AudioOutput;
0035     class MediaObject;
0036     class MediaSource;
0037 }
0038 
0039 /**
0040  * This class serves as a proxy to the Player interface and handles managing
0041  * the actions from the top-level mainwindow.
0042  */
0043 
0044 class PlayerManager : public QObject
0045 {
0046     Q_OBJECT
0047 
0048 public:
0049     PlayerManager();
0050 
0051     bool playing() const;
0052     bool paused() const;
0053     bool muted() const;
0054     float volume() const;
0055     int status() const;
0056 
0057     // These two have been part of the prior public DBus interface so they have
0058     // been retained. You should use the MSecs versions below. These return in units
0059     // of seconds instead.
0060     int totalTime() const;
0061     int currentTime() const;
0062 
0063     int totalTimeMSecs() const;
0064     int currentTimeMSecs() const;
0065 
0066     bool seekable() const;
0067     //int position() const;
0068 
0069     QStringList trackProperties();
0070     QString trackProperty(const QString &property) const;
0071     QPixmap trackCover(const QString &size) const;
0072 
0073     FileHandle playingFile() const;
0074     QString playingString() const;
0075 
0076     void setPlaylistInterface(PlaylistInterface *interface);
0077 
0078     QString randomPlayMode() const;
0079 
0080 public slots:
0081     void play(const FileHandle &file);
0082     void play(const QString &file);
0083     void play(); // start or restart playback
0084     void pause();
0085     void stop();
0086     void seek(int seekTime);
0087     //void seekPosition(int position);
0088     void seekForward();
0089     void seekBack();
0090     void playPause();
0091     void forward();
0092     void back();
0093     void setVolume(qreal);
0094     void volumeUp();
0095     void volumeDown();
0096     void setMuted(bool m);
0097     bool mute();
0098 
0099     void trackHasChanged(const Phonon::MediaSource &newSource);
0100 
0101     void setRandomPlayMode(const QString &randomMode);
0102 
0103 signals:
0104     void tick(qint64 /* time_msec */);
0105     void totalTimeChanged(qint64 /* time_msec */);
0106     void mutedChanged(bool muted);
0107     void volumeChanged(float volume);
0108     void seeked(int newPos);
0109     void seekableChanged(bool muted);
0110 
0111     void signalPlay();
0112     void signalPause();
0113     void signalStop();
0114     void signalItemChanged(const FileHandle &file);
0115 
0116 private:
0117     void setupAudio();
0118 
0119 private slots:
0120     void slotFinished();
0121     void slotLength(qint64);
0122     void slotTick(qint64);
0123     void slotStateChanged(Phonon::State, Phonon::State);
0124     void slotSeekableChanged(bool);
0125     void slotMutedChanged(bool);
0126 
0127 private:
0128     FileHandle m_file;
0129     PlaylistInterface *m_playlistInterface;
0130     bool m_muted;
0131     bool m_setup;
0132 
0133     static const int m_pollInterval = 800;
0134 
0135     Phonon::AudioOutput *m_output;
0136     Phonon::MediaObject *m_media;
0137     Phonon::Path m_audioPath;
0138 };
0139 
0140 #endif
0141 
0142 // vim: set et sw=4 tw=0 sta: