Preferences.java

/*
Copyright 2012-2013 Andrey Zaytsev, Sergey Ivanov

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 net.meiolania.apps.habrahabr;

import android.content.Context;
import android.content.SharedPreferences;
import android.preference.PreferenceManager;

public final class Preferences {
    // Default tab for posts
    public final static String POSTS_DEFAULT_TAB_KEY = "posts_default_tab";
    public final static String POSTS_DEFAULT_TAB_DEFAULT = "1";

    // Default tab for Q&A
    public final static String QA_DEFAULT_TAB_KEY = "qa_default_tab";
    public final static String QA_DEFAULT_TAB_DEFAULT = "0";

    // Default tab for events
    public final static String EVENTS_DEFAULT_TAB_KEY = "events_default_tab";
    public final static String EVENTS_DEFAULT_TAB_DEFAULT = "0";

    // Additional layout for posts
    public final static String ADDITIONAL_LAYOUT_POSTS_KEY = "posts_additional_layout";
    public final static boolean ADDITIONAL_LAYOUT_POSTS_DEFAULT = true;

    // Additional layout for Q&A
    public final static String ADDITIONAL_LAYOUT_QA_KEY = "qa_additional_layout";
    public final static boolean ADDITIONAL_LAYOUT_QA_DEFAULT = true;

    // Additional layout for events
    public final static String ADDITIONAL_LAYOUT_EVENTS_KEY = "events_additional_layout";
    public final static boolean ADDITIONAL_LAYOUT_EVENTS_DEFAULT = true;

    // Fullscreen
    public final static String FULLSCREEN_KEY = "fullscreen";
    public final static boolean FULLSCREEN_DEFAULT = false;

    // Keepscreen
    public final static String KEEPSCREEN_KEY = "keepscreen";
    public final static boolean KEEPSCREEN_DEFAULT = false;

    // Share text
    public final static String SHARE_TEXT_KEY = "share_text";
    public final static String SHARE_TEXT_DEFAULT = "$link$ - $title$ #HabReader";

    // Auth
    public final static String LOGIN_KEY = "login";
    public final static String LOGIN_DEFAULT = null;
    public final static String PHPSESSID_KEY = "phpsessid";
    public final static String PHPSESSID_DEFAULT = null;
    public final static String HSECID_KEY = "hsecid";
    public final static String HSECID_DEFAULT = null;

    // Posts full info
    public static final String POSTS_FULL_INFO = "posts_full_info";
    public static final boolean POSTS_FULL_INFO_DEFAULT = false;
    
    // Zoom buttons in post view
    public static final String POSTS_ZOOM = "posts_zoom";
    public static final boolean POSTS_ZOOM_DEFAULT = true;
    
    // User scale
    public static final String USER_SCALE = "user_scale";
    public static final float USER_SCALE_DEFAULT = 0.0f;

    private static Preferences preferences = null;
    private static SharedPreferences sharedPreferences;

    private Preferences(Context context) {
	sharedPreferences = PreferenceManager.getDefaultSharedPreferences(context);
    }

    public static Preferences getInstance(Context context) {
	return preferences != null ? preferences : (preferences = new Preferences(context));
    }

    public SharedPreferences getSharedPreferences() {
	return sharedPreferences;
    }

    public boolean getFullScreen() {
	return sharedPreferences.getBoolean(FULLSCREEN_KEY, FULLSCREEN_DEFAULT);
    }

    public boolean getKeepScreen() {
	return sharedPreferences.getBoolean(KEEPSCREEN_KEY, KEEPSCREEN_DEFAULT);
    }

    public int getPostsDefaultTab() {
	return Integer.parseInt(sharedPreferences.getString(POSTS_DEFAULT_TAB_KEY, POSTS_DEFAULT_TAB_DEFAULT));
    }

    public int getEventsDefaultTab() {
	return Integer.parseInt(sharedPreferences.getString(EVENTS_DEFAULT_TAB_KEY, EVENTS_DEFAULT_TAB_DEFAULT));
    }

    public int getQaDefaultTab() {
	return Integer.parseInt(sharedPreferences.getString(QA_DEFAULT_TAB_KEY, QA_DEFAULT_TAB_DEFAULT));
    }

    public boolean getAdditionalEvents() {
	return sharedPreferences.getBoolean(ADDITIONAL_LAYOUT_EVENTS_KEY, ADDITIONAL_LAYOUT_EVENTS_DEFAULT);
    }

    public boolean getAdditionalPosts() {
	return sharedPreferences.getBoolean(ADDITIONAL_LAYOUT_POSTS_KEY, ADDITIONAL_LAYOUT_POSTS_DEFAULT);
    }

    public boolean getAdditionalQa() {
	return sharedPreferences.getBoolean(ADDITIONAL_LAYOUT_QA_KEY, ADDITIONAL_LAYOUT_QA_DEFAULT);
    }

    public String getShareText() {
	return sharedPreferences.getString(SHARE_TEXT_KEY, SHARE_TEXT_DEFAULT);
    }
    
    public boolean getPostsFullInfo() {
	return sharedPreferences.getBoolean(POSTS_FULL_INFO, POSTS_FULL_INFO_DEFAULT);
    }
    
    public boolean getPostsZoom() {
	return sharedPreferences.getBoolean(POSTS_ZOOM, POSTS_ZOOM_DEFAULT);
    }

    public void setViewScale(Context context, float scale) {
	SharedPreferences.Editor editor = sharedPreferences.edit();
	editor.putFloat(USER_SCALE, scale);
	editor.commit();
    }

    public int getViewScale(Context context) {
	float userScale = sharedPreferences.getFloat(USER_SCALE, USER_SCALE_DEFAULT);
	return (int) (100 * userScale);
    }

    /*
     * TODO: need to think about security
     */

    public String getLogin() {
	return sharedPreferences.getString(LOGIN_KEY, LOGIN_DEFAULT);
    }

    public void setLogin(String login) {
	SharedPreferences.Editor editor = sharedPreferences.edit();
	editor.putString(LOGIN_KEY, login);
	editor.commit();
    }

    public String getPHPSessionId() {
	return sharedPreferences.getString(PHPSESSID_KEY, PHPSESSID_DEFAULT);
    }

    public void setPHPSessionId(String id) {
	SharedPreferences.Editor editor = sharedPreferences.edit();
	editor.putString(PHPSESSID_KEY, id);
	editor.commit();
    }

    public String getHSecId() {
	return sharedPreferences.getString(HSECID_KEY, HSECID_DEFAULT);
    }

    public void setHSecId(String id) {
	SharedPreferences.Editor editor = sharedPreferences.edit();
	editor.putString(HSECID_KEY, id);
	editor.commit();
    }

}