src/com/android/dreams/phototable/AlbumSettings.java


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/*
 * Copyright (C) 2012 The Android Open Source Project
 *
 * 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.android.dreams.phototable;

import android.content.SharedPreferences;

import java.util.HashSet;
import java.util.Set;

/**
 * Common utilities for album settings.
 */
public class AlbumSettings {
    public static final String ALBUM_SET = "Enabled Album Set V2";

    public static Set<String> getEnabledAlbums(SharedPreferences settings) {
        Set<String> enabled = settings.getStringSet(ALBUM_SET, null);
        if (enabled == null) {
            enabled = new HashSet<String>();
            setEnabledAlbums(settings, enabled);
        }
        return enabled;
    }

    public static void setEnabledAlbums(SharedPreferences settings, Set<String> value) {
        SharedPreferences.Editor editor = settings.edit();
        editor.putStringSet(ALBUM_SET, value);
        editor.apply();
    }

    public static boolean isConfigured(SharedPreferences settings) {
        return getEnabledAlbums(settings).size() != 0;
    }
}