217 lines
7.1 KiB
C++
217 lines
7.1 KiB
C++
/* This file is part of Clementine.
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Copyright 2010, David Sansome <me@davidsansome.com>
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Clementine 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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Clementine 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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You should have received a copy of the GNU General Public License
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along with Clementine. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef PLAYLISTMANAGER_H
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#define PLAYLISTMANAGER_H
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#include <QColor>
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#include <QItemSelection>
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#include <QMap>
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#include <QObject>
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#include "core/song.h"
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#include "smartplaylists/generator_fwd.h"
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class LibraryBackend;
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class Playlist;
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class PlaylistBackend;
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class PlaylistParser;
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class PlaylistSequence;
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class TaskManager;
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class QModelIndex;
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class QUrl;
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class PlaylistManagerInterface : public QObject {
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Q_OBJECT
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public:
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PlaylistManagerInterface(QObject* parent)
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: QObject(parent) {}
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virtual int current_id() const = 0;
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virtual int active_id() const = 0;
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virtual Playlist* playlist(int id) const = 0;
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virtual Playlist* current() const = 0;
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virtual Playlist* active() const = 0;
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// Returns the collection of playlists managed by this PlaylistManager.
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virtual QList<Playlist*> GetAllPlaylists() const = 0;
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// Grays out and reloads all deleted songs in all playlists.
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virtual void InvalidateDeletedSongs() = 0;
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virtual const QItemSelection& selection(int id) const = 0;
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virtual const QItemSelection& current_selection() const = 0;
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virtual const QItemSelection& active_selection() const = 0;
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virtual QString name(int index) const = 0;
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virtual TaskManager* task_manager() const = 0;
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virtual LibraryBackend* library_backend() const = 0;
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virtual PlaylistBackend* playlist_backend() const = 0;
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virtual PlaylistSequence* sequence() const = 0;
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virtual PlaylistParser* parser() const = 0;
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public slots:
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virtual void New(const QString& name, const SongList& songs = SongList()) = 0;
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virtual void Load(const QString& filename) = 0;
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virtual void Save(int id, const QString& filename) = 0;
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virtual void Rename(int id, const QString& new_name) = 0;
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virtual void Remove(int id) = 0;
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virtual void ChangePlaylistOrder(const QList<int>& ids) = 0;
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virtual void SongChangeRequestProcessed(const QUrl& url, bool valid) = 0;
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virtual void SetCurrentPlaylist(int id) = 0;
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virtual void SetActivePlaylist(int id) = 0;
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virtual void SetActiveToCurrent() = 0;
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virtual void SelectionChanged(const QItemSelection& selection) = 0;
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// Convenience slots that defer to either current() or active()
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virtual void ClearCurrent() = 0;
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virtual void ShuffleCurrent() = 0;
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virtual void SetActivePlaying() = 0;
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virtual void SetActivePaused() = 0;
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virtual void SetActiveStopped() = 0;
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virtual void SetActiveStreamMetadata(const QUrl& url, const Song& song) = 0;
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// Rate current song using 0.0 - 1.0 scale.
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virtual void RateCurrentSong(double rating) = 0;
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// Rate current song using 0 - 5 scale.
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virtual void RateCurrentSong(int rating) = 0;
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virtual void PlaySmartPlaylist(smart_playlists::GeneratorPtr generator, bool as_new, bool clear) = 0;
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signals:
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void PlaylistManagerInitialized();
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void PlaylistAdded(int id, const QString& name);
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void PlaylistRemoved(int id);
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void PlaylistRenamed(int id, const QString& new_name);
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void CurrentChanged(Playlist* new_playlist);
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void ActiveChanged(Playlist* new_playlist);
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void Error(const QString& message);
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void SummaryTextChanged(const QString& summary);
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// Forwarded from individual playlists
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void CurrentSongChanged(const Song& song);
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// Signals that one of manager's playlists has changed (new items, new
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// ordering etc.) - the argument shows which.
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void PlaylistChanged(Playlist* playlist);
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void EditingFinished(const QModelIndex& index);
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void PlayRequested(const QModelIndex& index);
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};
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class PlaylistManager : public PlaylistManagerInterface {
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Q_OBJECT
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public:
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PlaylistManager(TaskManager* task_manager, QObject *parent = 0);
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~PlaylistManager();
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int current_id() const { return current_; }
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int active_id() const { return active_; }
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Playlist* playlist(int id) const { return playlists_[id].p; }
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Playlist* current() const { return playlist(current_id()); }
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Playlist* active() const { return playlist(active_id()); }
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// Returns the collection of playlists managed by this PlaylistManager.
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QList<Playlist*> GetAllPlaylists() const;
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// Grays out and reloads all deleted songs in all playlists.
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void InvalidateDeletedSongs();
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const QItemSelection& selection(int id) const;
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const QItemSelection& current_selection() const { return selection(current_id()); }
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const QItemSelection& active_selection() const { return selection(active_id()); }
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QString name(int index) const { return playlists_[index].name; }
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void Init(LibraryBackend* library_backend, PlaylistBackend* playlist_backend,
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PlaylistSequence* sequence);
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TaskManager* task_manager() const { return task_manager_; }
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LibraryBackend* library_backend() const { return library_backend_; }
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PlaylistBackend* playlist_backend() const { return playlist_backend_; }
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PlaylistSequence* sequence() const { return sequence_; }
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PlaylistParser* parser() const { return parser_; }
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public slots:
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void New(const QString& name, const SongList& songs = SongList());
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void Load(const QString& filename);
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void Save(int id, const QString& filename);
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void Rename(int id, const QString& new_name);
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void Remove(int id);
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void ChangePlaylistOrder(const QList<int>& ids);
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void SetCurrentPlaylist(int id);
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void SetActivePlaylist(int id);
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void SetActiveToCurrent() { SetActivePlaylist(current_id()); }
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void SelectionChanged(const QItemSelection& selection);
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// Convenience slots that defer to either current() or active()
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void ClearCurrent();
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void ShuffleCurrent();
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void SetActivePlaying();
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void SetActivePaused();
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void SetActiveStopped();
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void SetActiveStreamMetadata(const QUrl& url, const Song& song);
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// Rate current song using 0.0 - 1.0 scale.
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void RateCurrentSong(double rating);
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// Rate current song using 0 - 5 scale.
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void RateCurrentSong(int rating);
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void PlaySmartPlaylist(smart_playlists::GeneratorPtr generator, bool as_new, bool clear);
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void SongChangeRequestProcessed(const QUrl& url, bool valid);
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private slots:
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void OneOfPlaylistsChanged();
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void UpdateSummaryText();
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void SongsDiscovered(const SongList& songs);
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void LoadFinished(bool success);
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private:
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Playlist* AddPlaylist(int id, const QString& name);
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private:
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struct Data {
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Data(Playlist* _p = NULL, const QString& _name = QString()) : p(_p), name(_name) {}
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Playlist* p;
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QString name;
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QItemSelection selection;
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};
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TaskManager* task_manager_;
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PlaylistBackend* playlist_backend_;
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LibraryBackend* library_backend_;
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PlaylistSequence* sequence_;
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PlaylistParser* parser_;
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// key = id
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QMap<int, Data> playlists_;
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int current_;
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int active_;
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};
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#endif // PLAYLISTMANAGER_H
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