PreferenceManager.java

/*******************************************************************************
 * Catroid: An on-device visual programming system for Android devices
 *  Copyright (C) 2010-2013 The Catrobat Team
 *  (<http://developer.catrobat.org/credits>)
 *
 *  This program is free software: you can redistribute it and/or modify
 *  it under the terms of the GNU Affero General Public License as
 *  published by the Free Software Foundation, either version 3 of the
 *  License, or (at your option) any later version.
 *
 *  An additional term exception under section 7 of the GNU Affero
 *  General Public License, version 3, is available at
 *  http://www.catroid.org/catroid/licenseadditionalterm
 *
 *  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 Affero General Public License for more details.
 *
 *  You should have received a copy of the GNU Affero General Public License
 *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
 ******************************************************************************/
package org.catrobat.musicdroid.preferences;

import java.util.HashMap;

public final class PreferenceManager {
	public static final int SOUNDTRACK_DEFAULT_LENGTH_DEFAULT_VALUE = 45;
	public static final String SOUNDTRACK_DEFAULT_LENGTH_KEY = "soundtrack_length_default";
	public static final int SOUNDTRACK_LENGTH_DEFAULT_VALUE = 45;
	public static final String SOUNDTRACK_LENGTH_KEY = "soundtrack_length";
	public static final int METRONOM_VISUALIZATION_DEFAULT_VALUE = 0;
	public static final String METRONOM_VISUALIZATION_KEY = "metronom_visualization";
	public static final int METRONOM_BPM_DEFAULT_VALUE = 72;
	public static final String METRONOM_BPM_KEY = "metronom_bpm";
	public static final int PLAY_PLAYBACK_DEFAULT_VALUE = 1;
	public static final String PLAY_PLAYBACK_KEY = "play_playback";
	public static final int ADD_AT_CURRENT_POSITION_DEFAULT_VALUE = 0;
	public static final String ADD_AT_CURRENT_POSITION_KEY = "add_at_current_position";
	public static final int DRAW_NOTES_BASS_DEFAULT_VALUE = 0;
	public static final String DRAW_NOTES_BASS_KEY = "draw_notes_bass_key";
	private static PreferenceManager instance = null;
	private HashMap<String, Integer> preferences = null;

	private PreferenceManager() {
		preferences = new HashMap<String, Integer>();
		initializeDefaultPreferences();
	}

	public static PreferenceManager getInstance() {
		if (instance == null) {
			instance = new PreferenceManager();
			return instance;
		} else {
			return instance;
		}
	}

	private void initializeDefaultPreferences() {
		preferences.put(SOUNDTRACK_LENGTH_KEY, SOUNDTRACK_LENGTH_DEFAULT_VALUE);
		preferences.put(SOUNDTRACK_DEFAULT_LENGTH_KEY, SOUNDTRACK_DEFAULT_LENGTH_DEFAULT_VALUE);
		preferences.put(METRONOM_VISUALIZATION_KEY, METRONOM_VISUALIZATION_DEFAULT_VALUE);
		preferences.put(METRONOM_BPM_KEY, METRONOM_BPM_DEFAULT_VALUE);
		preferences.put(PLAY_PLAYBACK_KEY, PLAY_PLAYBACK_DEFAULT_VALUE);
		preferences.put(ADD_AT_CURRENT_POSITION_KEY, ADD_AT_CURRENT_POSITION_DEFAULT_VALUE);
		preferences.put(DRAW_NOTES_BASS_KEY, DRAW_NOTES_BASS_DEFAULT_VALUE);
	}

	public void setPreference(String key, int value) {
		preferences.put(key, value);
	}

	public Integer getPreference(String key) {
		return preferences.get(key);
	}

}