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A library for downloading and managing package repositories

There is a newer version: 25.3.0

/*
 * Copyright (C) 2015 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.repository.api;

import com.android.annotations.NonNull;

/**
 * An interface for facilities that can run tasks, synchronously or asynchronously, and allow them
 * to show their progress using a {@link ProgressIndicator}.
 */
public interface ProgressRunner {

    /**
     * Runs a task synchronously.
     */
    void runAsyncWithProgress(@NonNull ProgressRunnable r);

    /**
     * Runs a task asynchronously.
     */
    void runSyncWithProgress(@NonNull ProgressRunnable r);

    /**
     * Runs a {@link Runnable} synchronously. Useful if e.g. it must be run on a certain thread.
     */
    void runSyncWithoutProgress(@NonNull Runnable r);

    /**
     * Interface for tasks that can show their progress using a {@link ProgressIndicator}.
     */
    interface ProgressRunnable {
        void run(@NonNull ProgressIndicator indicator, @NonNull ProgressRunner runner);
    }
}