94 lines
2.7 KiB
C++
94 lines
2.7 KiB
C++
/* This file is part of Clementine.
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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 LIBRARYWATCHER_H
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#define LIBRARYWATCHER_H
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#include "directory.h"
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#include "song.h"
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#include "engine_fwd.h"
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#include <QObject>
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#include <QStringList>
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#include <QMap>
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#include <boost/shared_ptr.hpp>
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class QFileSystemWatcher;
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class QTimer;
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class LibraryBackendInterface;
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class LibraryWatcher : public QObject {
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Q_OBJECT
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public:
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LibraryWatcher(QObject* parent = 0);
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void SetBackend(boost::shared_ptr<LibraryBackendInterface> backend) { backend_ = backend; }
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void SetEngine(EngineBase* engine) { engine_ = engine; } // TODO: shared_ptr
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signals:
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void NewOrUpdatedSongs(const SongList& songs);
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void SongsMTimeUpdated(const SongList& songs);
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void SongsDeleted(const SongList& songs);
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void ScanStarted();
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void ScanFinished();
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public slots:
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void AddDirectories(const DirectoryList& directories);
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void RemoveDirectories(const DirectoryList& directories);
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private slots:
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void DirectoryChanged(const QString& path);
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void RescanPathsNow();
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void ScanDirectory(const QString& path);
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private:
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static bool FindSongByPath(const SongList& list, const QString& path, Song* out);
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inline static QString ExtensionPart( const QString &fileName );
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inline static QString DirectoryPart( const QString &fileName );
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static QString PickBestImage(const QStringList& images);
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static QString ImageForSong(const QString& path, QMap<QString, QStringList>& album_art);
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private:
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EngineBase* engine_;
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boost::shared_ptr<LibraryBackendInterface> backend_;
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QFileSystemWatcher* fs_watcher_;
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QTimer* rescan_timer_;
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QMap<QString, Directory> paths_watched_;
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QStringList paths_needing_rescan_;
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int total_watches_;
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#ifdef Q_OS_DARWIN
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static const int kMaxWatches = 100;
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#endif
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};
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// Thanks Amarok
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inline QString LibraryWatcher::ExtensionPart( const QString &fileName ) {
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return fileName.contains( '.' ) ? fileName.mid( fileName.lastIndexOf('.') + 1 ).toLower() : "";
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}
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inline QString LibraryWatcher::DirectoryPart( const QString &fileName ) {
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return fileName.section( '/', 0, -2 );
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}
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#endif // LIBRARYWATCHER_H
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