78 lines
2.0 KiB
C++
78 lines
2.0 KiB
C++
#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 LibraryBackend;
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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<LibraryBackend> 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<LibraryBackend> 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 = 200;
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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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