118 lines
4.2 KiB
C++
118 lines
4.2 KiB
C++
/*
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* Strawberry Music Player
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* This file was part of Clementine.
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* Copyright 2010, David Sansome <me@davidsansome.com>
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* Copyright 2018-2021, Jonas Kvinge <jonas@jkvinge.net>
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*
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* Strawberry is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* Strawberry is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with Strawberry. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#ifndef PLAYERINTERFACE_H
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#define PLAYERINTERFACE_H
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#include "config.h"
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#include <QObject>
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#include <QString>
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#include <QUrl>
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#include "includes/shared_ptr.h"
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#include "engine/enginebase.h"
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#include "playlist/playlist.h"
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#include "playlist/playlistitem.h"
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class QTimer;
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class Song;
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class PlayerInterface : public QObject {
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Q_OBJECT
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public:
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explicit PlayerInterface(QObject *parent = nullptr);
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virtual SharedPtr<EngineBase> engine() const = 0;
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virtual EngineBase::State GetState() const = 0;
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virtual uint GetVolume() const = 0;
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virtual PlaylistItemPtr GetCurrentItem() const = 0;
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virtual PlaylistItemPtr GetItemAt(const int pos) const = 0;
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public Q_SLOTS:
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virtual void ReloadSettings() = 0;
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virtual void LoadVolume() = 0;
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virtual void SaveVolume() = 0;
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virtual void SavePlaybackStatus() = 0;
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virtual void PlaylistsLoaded() = 0;
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// Manual track change to the specified track
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virtual void PlayAt(const int index, const bool pause, const quint64 offset_nanosec, EngineBase::TrackChangeFlags change, const Playlist::AutoScroll autoscroll, const bool reshuffle, const bool force_inform = false) = 0;
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// If there's currently a song playing, pause it, otherwise play the track that was playing last, or the first one on the playlist
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virtual void PlayPause(const quint64 offset_nanosec = 0, const Playlist::AutoScroll autoscroll = Playlist::AutoScroll::Always) = 0;
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virtual void PlayPauseHelper() = 0;
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virtual void RestartOrPrevious() = 0;
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// Skips this track. Might load more of the current radio station.
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virtual void Next() = 0;
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virtual void Previous() = 0;
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virtual void PlayPlaylist(const QString &playlist_name) = 0;
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virtual void SetVolumeFromEngine(const uint volume) = 0;
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virtual void SetVolumeFromSlider(const int value) = 0;
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virtual void SetVolume(const uint volume) = 0;
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virtual void VolumeUp() = 0;
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virtual void VolumeDown() = 0;
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virtual void SeekTo(const quint64 seconds) = 0;
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// Moves the position of the currently playing song five seconds forward.
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virtual void SeekForward() = 0;
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// Moves the position of the currently playing song five seconds backwards.
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virtual void SeekBackward() = 0;
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virtual void CurrentMetadataChanged(const Song &metadata) = 0;
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virtual void Mute() = 0;
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virtual void Pause() = 0;
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virtual void Stop(const bool stop_after = false) = 0;
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virtual void Play(const quint64 offset_nanosec = 0) = 0;
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virtual void PlayWithPause(const quint64 offset_nanosec) = 0;
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virtual void PlayHelper() = 0;
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virtual void ShowOSD() = 0;
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Q_SIGNALS:
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void Playing();
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void Paused();
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// Emitted only when playback is manually resumed
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void Resumed();
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void Stopped();
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void Error(const QString &message = QString());
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void PlaylistFinished();
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void VolumeEnabled(const bool volume_enabled);
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void VolumeChanged(const uint volume);
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void TrackSkipped(PlaylistItemPtr old_track);
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// Emitted when there's a manual change to the current's track position.
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void Seeked(const qint64 microseconds);
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// Emitted when Player has processed a request to play another song.
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// This contains the URL of the song and a flag saying whether it was able to play the song.
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void SongChangeRequestProcessed(const QUrl &url, const bool valid);
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// The toggle parameter is true when user requests to toggle visibility for Pretty OSD
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void ForceShowOSD(const Song &song, const bool toggle);
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void Authenticated();
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};
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#endif // PLAYERINTERFACE_H
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