space-android/app/src/main/java/com/nextcloud/model/WorkerStateLiveData.kt

/*
 * Nextcloud Android client application
 *
 * @author Alper Ozturk
 * Copyright (C) 2023 Alper Ozturk
 * Copyright (C) 2023 Nextcloud GmbH
 *
 * 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.
 *
 * 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 <https://www.gnu.org/licenses/>.
 */

package com.nextcloud.model

import androidx.lifecycle.LiveData

class WorkerStateLiveData private constructor() : LiveData<WorkerState>() {

    fun setWorkState(state: WorkerState) {
        postValue(state)
    }

    companion object {
        private var instance: WorkerStateLiveData? = null

        fun instance(): WorkerStateLiveData {
            return instance ?: synchronized(this) {
                instance ?: WorkerStateLiveData().also { instance = it }
            }
        }
    }
}