1 /*
2  * Copyright (C) 2021 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 
17 package com.android.car.settings.privacy;
18 
19 import static com.android.car.settings.enterprise.EnterpriseUtils.getAvailabilityStatusRestricted;
20 import static com.android.car.settings.enterprise.EnterpriseUtils.hasUserRestrictionByDpm;
21 import static com.android.car.settings.enterprise.EnterpriseUtils.onClickWhileDisabled;
22 
23 import android.car.drivingstate.CarUxRestrictions;
24 import android.content.Context;
25 import android.hardware.SensorPrivacyManager;
26 import android.os.UserManager;
27 
28 import com.android.car.settings.common.ColoredSwitchPreference;
29 import com.android.car.settings.common.FragmentController;
30 import com.android.car.settings.common.PreferenceController;
31 import com.android.internal.annotations.VisibleForTesting;
32 
33 /** Business logic for controlling the mute mic toggle. */
34 public class MicTogglePreferenceController extends PreferenceController<ColoredSwitchPreference> {
35 
36     private final SensorPrivacyManager mSensorPrivacyManager;
37     private final SensorPrivacyManager.OnSensorPrivacyChangedListener mListener =
38             (sensor, enabled) -> refreshUi();
39 
MicTogglePreferenceController(Context context, String preferenceKey, FragmentController fragmentController, CarUxRestrictions uxRestrictions)40     public MicTogglePreferenceController(Context context, String preferenceKey,
41             FragmentController fragmentController,
42             CarUxRestrictions uxRestrictions) {
43         this(context, preferenceKey, fragmentController, uxRestrictions,
44                 SensorPrivacyManager.getInstance(context));
45     }
46 
47     @VisibleForTesting
MicTogglePreferenceController(Context context, String preferenceKey, FragmentController fragmentController, CarUxRestrictions uxRestrictions, SensorPrivacyManager sensorPrivacyManager)48     MicTogglePreferenceController(Context context, String preferenceKey,
49             FragmentController fragmentController, CarUxRestrictions uxRestrictions,
50             SensorPrivacyManager sensorPrivacyManager) {
51         super(context, preferenceKey, fragmentController, uxRestrictions);
52         mSensorPrivacyManager = sensorPrivacyManager;
53     }
54 
55     @Override
getPreferenceType()56     protected Class<ColoredSwitchPreference> getPreferenceType() {
57         return ColoredSwitchPreference.class;
58     }
59 
60     @Override
onStartInternal()61     protected void onStartInternal() {
62         mSensorPrivacyManager.addSensorPrivacyListener(
63                 SensorPrivacyManager.Sensors.MICROPHONE, mListener);
64     }
65 
66     @Override
onStopInternal()67     protected void onStopInternal() {
68         mSensorPrivacyManager.removeSensorPrivacyListener(SensorPrivacyManager.Sensors.MICROPHONE,
69                 mListener);
70     }
71 
72     @Override
handlePreferenceChanged(ColoredSwitchPreference preference, Object newValue)73     protected boolean handlePreferenceChanged(ColoredSwitchPreference preference,
74             Object newValue) {
75         boolean isChecked = (Boolean) newValue;
76         // Settings UX currently shows "checked means mic is enabled", but the underlying API is
77         // inversely written around "is mic muted?" So we must be careful when doing
78         // comparisons.
79         boolean isMicMuted = mSensorPrivacyManager.isSensorPrivacyEnabled(
80                 SensorPrivacyManager.Sensors.MICROPHONE);
81         if (isChecked == isMicMuted) {
82             // UX and underlying API state for mic do not match, so update sensor privacy
83             mSensorPrivacyManager.setSensorPrivacyForProfileGroup(
84                     SensorPrivacyManager.Sources.SETTINGS,
85                     SensorPrivacyManager.Sensors.MICROPHONE,
86                     !isChecked);
87         }
88         return true;
89     }
90 
91     @Override
getDefaultAvailabilityStatus()92     protected int getDefaultAvailabilityStatus() {
93         if (!mSensorPrivacyManager.supportsSensorToggle(SensorPrivacyManager.Sensors.MICROPHONE)) {
94             return UNSUPPORTED_ON_DEVICE;
95         } else  {
96             return getAvailabilityStatusRestricted(getContext(),
97                     UserManager.DISALLOW_MICROPHONE_TOGGLE);
98         }
99     }
100 
101     @Override
updateState(ColoredSwitchPreference preference)102     protected void updateState(ColoredSwitchPreference preference) {
103         preference.setChecked(!mSensorPrivacyManager.isSensorPrivacyEnabled(
104                 SensorPrivacyManager.Sensors.MICROPHONE));
105         if (hasUserRestrictionByDpm(getContext(), UserManager.DISALLOW_MICROPHONE_TOGGLE)) {
106             setClickableWhileDisabled(preference, /* clickable= */ true, p ->
107                     onClickWhileDisabled(getContext(), getFragmentController(),
108                             UserManager.DISALLOW_MICROPHONE_TOGGLE));
109         }
110     }
111 }
112