xref: /frameworks/base/services/core/java/com/android/server/MountServiceIdler.java

/*
 * Copyright (C) 2014 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.server;

import android.app.maintenance.IdleService;
import android.util.Slog;

public class MountServiceIdler extends IdleService {
    private static final String TAG = "MountServiceIdler";

    private Runnable mFinishCallback = new Runnable() {
        @Override
        public void run() {
            Slog.i(TAG, "Got mount service completion callback");
            finishIdle();
        }
    };

    @Override
    public boolean onIdleStart() {
        // The mount service will run an fstrim operation asynchronously
        // on a designated separate thread, so we provide it with a callback
        // that lets us cleanly end our idle timeslice.  It's safe to call
        // finishIdle() from any thread.
        MountService ms = MountService.sSelf;
        if (ms != null) {
            ms.runIdleMaintenance(mFinishCallback);
        }
        return ms != null;
    }

    @Override
    public void onIdleStop() {
    }
}