MountServiceIdler.java revision d417d625d244356bc770e2692fd59e754a72f59f 
1/*
2 * Copyright (C) 2014 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17package com.android.server;
18
19import android.app.maintenance.IdleService;
20import android.util.Slog;
21
22public class MountServiceIdler extends IdleService {
23    private static final String TAG = "MountServiceIdler";
24
25    private Runnable mFinishCallback = new Runnable() {
26        @Override
27        public void run() {
28            Slog.i(TAG, "Got mount service completion callback");
29            finishIdle();
30        }
31    };
32
33    @Override
34    public boolean onIdleStart() {
35        // The mount service will run an fstrim operation asynchronously
36        // on a designated separate thread, so we provide it with a callback
37        // that lets us cleanly end our idle timeslice.  It's safe to call
38        // finishIdle() from any thread.
39        MountService ms = MountService.sSelf;
40        if (ms != null) {
41            ms.runIdleMaintenance(mFinishCallback);
42        }
43        return ms != null;
44    }
45
46    @Override
47    public void onIdleStop() {
48    }
49}
50