SettingsApplication.java

/*
 * Copyright (C) 2010 beworx.com
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.bwx.bequick;

import static com.bwx.bequick.Constants.ACTION_UPDATE_STATUSBAR_INTEGRATION;
import static com.bwx.bequick.Constants.EXTRA_BOOL_INVERSE_COLOR;
import static com.bwx.bequick.Constants.EXTRA_INT_APPEARANCE;
import static com.bwx.bequick.Constants.EXTRA_INT_STATUS;
import static com.bwx.bequick.Constants.PREFS_COMMON;
import static com.bwx.bequick.Constants.PREF_APPEARANCE;
import static com.bwx.bequick.Constants.PREF_INVERSE_VIEW_COLOR;
import static com.bwx.bequick.Constants.PREF_STATUSBAR_INTEGRATION;
import static com.bwx.bequick.Constants.PREF_VERSION;

import java.util.ArrayList;
import java.util.Collections;
import java.util.Comparator;

import android.app.Application;
import android.content.Intent;
import android.content.SharedPreferences;
import android.content.SharedPreferences.Editor;

import com.bwx.bequick.fwk.Setting;
import com.bwx.bequick.fwk.SettingsFactory;
import com.bwx.bequick.preferences.BrightnessPrefs;
import com.bwx.bequick.preferences.CommonPrefs;

/**
 * Remains state shared between all activities
 * @author sergej@beworx.com
 */
public class SettingsApplication extends Application {

	//private static final String TAG = "SettingsApplication";
	
	private static final int[] IDS = new int[] {
			
			/* visible */
			Setting.GROUP_VISIBLE,
			Setting.BRIGHTNESS,
			Setting.RINGER,
			Setting.VOLUME,
			Setting.BLUETOOTH,
			Setting.WIFI,
			Setting.GPS,
			Setting.MOBILE_DATA,
			Setting.FOUR_G,
			
			/* hidden */
			Setting.GROUP_HIDDEN,
			Setting.MASTER_VOLUME,
			Setting.SCREEN_TIMEOUT,
			Setting.WIFI_HOTSPOT,
			Setting.AIRPLANE_MODE,
			Setting.AUTO_SYNC,
			Setting.AUTO_ROTATE,
			Setting.LOCK_PATTERN,
			Setting.MOBILE_DATA_APN
	};
	
	// state
	private ArrayList<Setting> mSettings;
	private SharedPreferences mPrefs;

    public void onCreate() {
    	
    	super.onCreate();
    	String defaultText = getString(R.string.txt_status_unknown);

    	// load settings
    	SharedPreferences prefs = mPrefs = getSharedPreferences(PREFS_COMMON, MODE_WORLD_WRITEABLE);
    	
    	// create settings list
    	ArrayList<Setting> settings = mSettings = new ArrayList<Setting>();
    	int[] ids = IDS;
    	int length = ids.length;
    	Setting setting;
    	for (int i=0; i<length; i++) {
    		int id = ids[i];
    		int index = prefs.getInt(String.valueOf(id), length); // move to end
    		setting = SettingsFactory.createSetting(id, index, defaultText, this);
    		if (setting != null) settings.add(setting);
    	}
    	
    	// sort list
    	Collections.sort(settings, new Comparator<Setting>() {
			public int compare(Setting object1, Setting object2) {
				return object1.index - object2.index;
			}
		});
    	
    	// update status bar integration
    	final int appearance = Integer.parseInt(prefs.getString(PREF_APPEARANCE, "0"));
		final int status = Integer.parseInt(prefs.getString(PREF_STATUSBAR_INTEGRATION, "0"));
		final boolean inverse = prefs.getBoolean(PREF_INVERSE_VIEW_COLOR, false);
		Intent intent = new Intent(ACTION_UPDATE_STATUSBAR_INTEGRATION);
		intent.putExtra(EXTRA_INT_STATUS, status);
		intent.putExtra(EXTRA_INT_APPEARANCE, appearance);
		intent.putExtra(EXTRA_BOOL_INVERSE_COLOR, inverse);
		sendBroadcast(intent);

		String version = prefs.getString(PREF_VERSION, null);
		if (version == null) {
			// update PREF_LIGHT_SENSOR on first start
			boolean hasLightSensor = BrightnessPrefs.hasLightSensor(this);
			String currentVersion = CommonPrefs.getVersionNumber(this);
			prefs.edit().putBoolean(Constants.PREF_LIGHT_SENSOR, hasLightSensor).putString(PREF_VERSION, currentVersion).commit();
		}
		
    }
	
	public void persistSettings() {
    	Editor editor = mPrefs.edit();
    	ArrayList<Setting> settings = mSettings;
    	int length = settings.size();
    	for (int i=0; i<length; i++) {
    		Setting setting = settings.get(i);
    		editor.putInt(String.valueOf(setting.id), setting.index);
    	}
    	editor.commit();
    }
    
    public SharedPreferences getPreferences() {
    	return mPrefs;
    }
    
    public ArrayList<Setting> getSettings() {
    	return mSettings;
    }
    
    public Setting getSetting(int id) {
    	ArrayList<Setting> settings = mSettings;
    	int length = settings.size();
    	for (int i=0; i<length; i++) {
    		Setting setting = settings.get(i);
    		if (id == setting.id) return setting;
    	}
    	return null;
    }
    

}