1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
|
/*
* 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.telecom;
import android.content.Context;
import android.os.PowerManager;
/**
* This class manages the proximity sensor and allows callers to turn it on and off.
*/
public class ProximitySensorManager extends CallsManagerListenerBase {
private static final String TAG = ProximitySensorManager.class.getSimpleName();
private final PowerManager.WakeLock mProximityWakeLock;
private final CallsManager mCallsManager;
public ProximitySensorManager(Context context, CallsManager callsManager) {
PowerManager pm = (PowerManager) context.getSystemService(Context.POWER_SERVICE);
if (pm.isWakeLockLevelSupported(PowerManager.PROXIMITY_SCREEN_OFF_WAKE_LOCK)) {
mProximityWakeLock = pm.newWakeLock(
PowerManager.PROXIMITY_SCREEN_OFF_WAKE_LOCK, TAG);
} else {
mProximityWakeLock = null;
}
mCallsManager = callsManager;
Log.d(this, "onCreate: mProximityWakeLock: ", mProximityWakeLock);
}
@Override
public void onCallRemoved(Call call) {
if (mCallsManager.getCalls().isEmpty()) {
Log.i(this, "All calls removed, resetting proximity sensor to default state");
turnOff(true);
}
super.onCallRemoved(call);
}
/**
* Turn the proximity sensor on.
*/
void turnOn() {
if (mCallsManager.getCalls().isEmpty()) {
Log.w(this, "Asking to turn on prox sensor without a call? I don't think so.");
return;
}
if (mProximityWakeLock == null) {
return;
}
if (!mProximityWakeLock.isHeld()) {
Log.i(this, "Acquiring proximity wake lock");
mProximityWakeLock.acquire();
} else {
Log.i(this, "Proximity wake lock already acquired");
}
}
/**
* Turn the proximity sensor off.
* @param screenOnImmediately
*/
void turnOff(boolean screenOnImmediately) {
if (mProximityWakeLock == null) {
return;
}
if (mProximityWakeLock.isHeld()) {
Log.i(this, "Releasing proximity wake lock");
int flags =
(screenOnImmediately ? 0 : PowerManager.RELEASE_FLAG_WAIT_FOR_NO_PROXIMITY);
mProximityWakeLock.release(flags);
} else {
Log.i(this, "Proximity wake lock already released");
}
}
}
|
