kde-extraapps/amarok/src/moodbar/MoodbarManager.h
2015-01-31 00:30:50 +00:00

86 lines
2.9 KiB
C++

/****************************************************************************************
* Copyright (c) 2009 Nikolaj Hald Nielsen <nhn@kde.org> *
* Copyright (c) 2009 Mark Kretschmann <kretschmann@kde.org> *
* *
* This program is free software; you can redistribute it and/or modify it under *
* the terms of the GNU General Public License as published by the Free Software *
* Foundation; either version 2 of the License, or (at your option) any later *
* version. *
* *
* This program is distributed in the hope that it will be useful, but WITHOUT ANY *
* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A *
* PARTICULAR PURPOSE. See the GNU General Pulic License for more details. *
* *
* You should have received a copy of the GNU General Public License along with *
* this program. If not, see <http://www.gnu.org/licenses/>. *
****************************************************************************************/
#ifndef MOODBARMANAGER_H
#define MOODBARMANAGER_H
#include "amarok_export.h"
#include "core/meta/forward_declarations.h"
#include <KImageCache>
#include <QColor>
#include <QMap>
#include <QObject>
class KUrl;
class QPalette;
class MoodbarManager;
namespace The {
AMAROK_EXPORT MoodbarManager* moodbarManager();
}
typedef QVector<QColor> MoodbarColorList;
class AMAROK_EXPORT MoodbarManager : public QObject
{
Q_OBJECT
friend MoodbarManager* The::moodbarManager();
public:
enum Style
{
SystemColours,
Angry,
Frozen,
Happy,
Normal
};
~MoodbarManager();
bool hasMoodbar( Meta::TrackPtr track );
QPixmap getMoodbar( Meta::TrackPtr track, int width, int height, bool rtl = false );
signals:
void moodbarReady( const QPixmap &pixmap );
void moodbarCreationFailed( const QString &error );
void moodbarStyleChanged();
private slots:
void paletteChanged( const QPalette &palette );
private:
MoodbarManager();
MoodbarColorList readMoodFile( const KUrl &moodFileUrl );
QPixmap drawMoodbar( const MoodbarColorList &data, int width, int height, bool rtl );
QString moodPath( const QString &trackPath ) const;
//let this class take care of caching everything as needed, otherwise things get pretty complex pretty fast.
QMap<Meta::TrackPtr, bool> m_hasMoodMap;
QMap<Meta::TrackPtr, QString> m_moodFileMap;
QMap<Meta::TrackPtr, MoodbarColorList> m_moodDataMap;
KImageCache * m_cache;
int m_lastPaintMode;
};
#endif // MOODBARMANAGER_H