1/*
2 * Copyright 2014 Intel Corporation All Rights Reserved.
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.intel.thermal;
18
19import android.util.Log;
20
21/**
22 * The ThermalZoneMonitor class runs a thread for each zone
23 * with which it is instantiated.
24 *
25 * @hide
26 */
27public class ThermalZoneMonitor implements Runnable {
28    private static final String TAG = "ThermalZoneMonitor";
29    private Thread t;
30    private ThermalZone zone;
31    private String mThreadName;
32    private boolean stop = false;
33
34    public ThermalZoneMonitor(ThermalZone tz) {
35        zone = tz;
36        mThreadName = "ThermalZone" + zone.getZoneId();
37        t = new Thread(this, mThreadName);
38        t.start();
39    }
40
41    public void stopMonitor() {
42        stop = true;
43        t.interrupt();
44    }
45
46    public void run() {
47        try {
48            while (!stop && !t.isInterrupted()) {
49                if (zone.isZoneStateChanged()) {
50                    zone.sendThermalEvent();
51                }
52                // stop value can be changed before going to sleep
53                if (!stop) {
54                    Thread.sleep(zone.getPollDelay(zone.getZoneState()));
55                }
56            }
57        } catch (InterruptedException iex) {
58            Log.i(TAG, "Stopping thread " + mThreadName + " [InterruptedException]");
59        }
60    }
61}
62