xiaoningsdiary/include/AppCore/SettingsStorage.h

/*  Copyright (C) 2009 Väinö Lappi <djap84@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, write to the Free Software
    Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.

*/

/*
 * SettingsStorage.h
 *
 *  Created on: 31.3.2009
 *      Author: djap
 */

#include <QString>
#include <QDir>
#include <QByteArray>

#ifndef SETTINGSSTORAGE_H_
#define SETTINGSSTORAGE_H_
/*
 * Setting identifiers
 */
#define NUM_OF_SETTING_INTEGERS 15
#define NUM_OF_SETTING_FLOATS 0
#define SETTING_STRING_STARTING_PREFIX (NUM_OF_SETTING_INTEGERS+NUM_OF_SETTING_FLOATS)
#define AMMOUNT_OF_SETTINGS 19

class SettingsStorage {
public:
        static enum{
        //Integer or bool type
        EDITOR_TRANSPARENCY_RED_CHANNEL = 0,
        EDITOR_TRANSPARENCY_GREEN_CHANNEL,
        EDITOR_TRANSPARENCY_BLUE_CHANNEL,
        EDITOR_TRANSPARENCY_ALPHA_CHANNEL,
        MPLAYER_VOLUME,
        CURRENT_GLOBAL_PLAYLIST_INDEX,
        MPLAYER_PLAY_GLOBAL,
        MPLAYER_PLAY_LOCAL,
        PLAY_GLOBAL_IN_RANDOM_ORDER,
        WARN_LOW_DISK_SPACE_LIMIT,
        BG_ANIMATION_NUMBER,
        ACCES_WEB_TO_DOWNLOAD_PICTURES,
        ACCESS_WEB_TO_CHECK_VERSION,
        POPUP_NOW_PLAYING_ON_SONG_CHANGE,
        POPUP_STILL_RUNNING_ON_HIDE_SYSTEMTRAY,
        //Float type
        //String type
        BG_PICTURE,
        LOCALE,
        DIARY_ENTRY_STORAGE_PATH,
        DIARY_VERSION
        }SettingID;

        static void LoadSettings(const QDir &userHomeDir);
        static void SaveSettings();
        //Setter
        /*
         * All setters and getters return       1 if all went ok
         *                                                                      -1 if the given valueID is too low
         *                                                                      -2 if the given valueID is too high
         * Possible valueIDs are in the enumeration at the beginning of this file.
         */
        static int SetValue(const QString &value, int valueID);
        static int SetValue(int value, int valueID);
        static int SetValue(const QDir &value, int valueID);
        static int SetValue(bool value, int valueID);
        static int SetValue(unsigned value, int valueID);
        static int SetValue(qint64 value, int valueID);
        static int SetValue(float value, int valueID);
        //Getter
        static int GetValue(QString &value, int valueID);
        static int GetValue(int &value, int valueID);
        static int GetValue(QDir &value, int valueID);
        static int GetValue(bool &value, int valueID);
        static int GetValue(unsigned &value, int valueID);
        static int GetValue(qint64 &value, int valueID);
        static int GetValue(float &value, int valueID);
private:
        static bool ReadSettingsFromFile();
        static void LoadDefaultSettings();
        static void AddMissingSettings(QFile &targetFile);                      //Add missing settings to settings file.
private:
        static int iIntegerTypeSettings[NUM_OF_SETTING_INTEGERS];       //Also stores bool type as 1 or 0
        //static float iFloatTypeSettings[NUM_OF_SETTING_FLOATS];
        static QStringList iStringTypeSettings;                                         //Also stores QDir type as string determining the full path
        static QDir iUserHomeDir;
        //use these bools to determine what is written, after old settings file have ended, add all missing settings at the end of file.
        static bool iDefinedSettings[AMMOUNT_OF_SETTINGS];
};

#endif /* SETTINGSSTORAGE_H_ */

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