/****************************************************************************************
 * Copyright (c) 2004-2009 Mark Kretschmann <kretschmann@kde.org>                       *
 * Copyright (c) 2009 Artur Szymiec <artur.szymiec@gmail.com>                           *
 *                                                                                      *
 * 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 Public 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 EQUALIZERDIALOG_H
#define EQUALIZERDIALOG_H

#include "ui_EqualizerDialog.h"

#include <KDialog>

class EqualizerDialog;

namespace The {
    EqualizerDialog* equalizer();
}

class EqualizerDialog : public KDialog, public Ui_EqualizerDialog
{
    Q_OBJECT
    friend EqualizerDialog* The::equalizer();

    public:
        static EqualizerDialog * instance();
        ~EqualizerDialog();

         static void showOnce();

    private Q_SLOTS:
        void eqUpdateUI( int index );
        void eqPresetChanged( int index );
        void eqBandsChanged();
        void eqSavePreset();
        void eqDeletePreset();
        void eqRestorePreset();
        void eqRestoreOriginalSettings();

    private:
        EqualizerDialog();
        double mValueScale;
        QVector<QSlider*> mBands;
        QVector<QLabel*> mBandsValues;
        QVector<QLabel*> mBandsLabels;
        QList<int> mOriginalGains;
        QString mOriginalPreset;

        void eqSetupUI();
        void eqUpdateToolTips();
        void eqUpdateLabels( QList<int> & mEqGains );
        bool eqCfgDeletePreset( QString & mPresetName );
        bool eqCfgRestorePreset( QString mPresetName );
        void eqCfgSetPresetVal( QString & mPresetName, QList<int> & mPresetValues);
        void eqRememberOriginalSettings();
        QList<int> eqCfgGetPresetVal ( QString mPresetName );
        QStringList eqGlobalList();

        static EqualizerDialog *s_instance;
};


#endif // EQUALIZERDIALOG_H
