1 /*
2  * Copyright (C) 2017 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.settings.development;
18 
19 import static com.android.settingslib.RestrictedLockUtilsInternal.checkIfUsbDataSignalingIsDisabled;
20 
21 import android.content.Context;
22 import android.os.UserHandle;
23 import android.provider.Settings;
24 
25 import androidx.annotation.VisibleForTesting;
26 import androidx.preference.Preference;
27 import androidx.preference.PreferenceScreen;
28 import androidx.preference.TwoStatePreference;
29 
30 import com.android.settings.core.PreferenceControllerMixin;
31 import com.android.settingslib.RestrictedSwitchPreference;
32 import com.android.settingslib.development.DeveloperOptionsPreferenceController;
33 
34 public class UsbAudioRoutingPreferenceController extends DeveloperOptionsPreferenceController
35         implements Preference.OnPreferenceChangeListener, PreferenceControllerMixin {
36 
37     private static final String USB_AUDIO_KEY = "usb_audio";
38 
39     @VisibleForTesting
40     static final int SETTING_VALUE_ON = 1;
41     @VisibleForTesting
42     static final int SETTING_VALUE_OFF = 0;
43 
44     private RestrictedSwitchPreference mPreference;
45 
UsbAudioRoutingPreferenceController(Context context)46     public UsbAudioRoutingPreferenceController(Context context) {
47         super(context);
48     }
49 
50     @Override
getPreferenceKey()51     public String getPreferenceKey() {
52         return USB_AUDIO_KEY;
53     }
54 
55     @Override
displayPreference(PreferenceScreen screen)56     public void displayPreference(PreferenceScreen screen) {
57         super.displayPreference(screen);
58         mPreference = screen.findPreference(getPreferenceKey());
59     }
60 
61     @Override
onPreferenceChange(Preference preference, Object newValue)62     public boolean onPreferenceChange(Preference preference, Object newValue) {
63         final boolean isEnabled = (Boolean) newValue;
64         Settings.Secure.putInt(mContext.getContentResolver(),
65                 Settings.Secure.USB_AUDIO_AUTOMATIC_ROUTING_DISABLED,
66                 isEnabled ? SETTING_VALUE_ON : SETTING_VALUE_OFF);
67         return true;
68     }
69 
70     @Override
updateState(Preference preference)71     public void updateState(Preference preference) {
72         final int usbAudioRoutingMode = Settings.Secure.getInt(mContext.getContentResolver(),
73                 Settings.Secure.USB_AUDIO_AUTOMATIC_ROUTING_DISABLED, SETTING_VALUE_OFF);
74         mPreference.setChecked(usbAudioRoutingMode != SETTING_VALUE_OFF);
75         mPreference.setDisabledByAdmin(
76                 checkIfUsbDataSignalingIsDisabled(mContext, UserHandle.myUserId()));
77     }
78 
79     @Override
onDeveloperOptionsSwitchDisabled()80     protected void onDeveloperOptionsSwitchDisabled() {
81         super.onDeveloperOptionsSwitchDisabled();
82         Settings.Secure.putInt(mContext.getContentResolver(),
83                 Settings.Secure.USB_AUDIO_AUTOMATIC_ROUTING_DISABLED, SETTING_VALUE_OFF);
84         ((TwoStatePreference) mPreference).setChecked(false);
85     }
86 
87     @Override
onDeveloperOptionsSwitchEnabled()88     protected void onDeveloperOptionsSwitchEnabled() {
89         super.onDeveloperOptionsSwitchEnabled();
90         mPreference.setDisabledByAdmin(
91                 checkIfUsbDataSignalingIsDisabled(mContext, UserHandle.myUserId()));
92     }
93 }
94