1 /*
2  * Copyright 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 package com.android.settings.location;
17 
18 import android.content.Context;
19 import android.provider.Settings;
20 import android.widget.Switch;
21 
22 import androidx.preference.PreferenceScreen;
23 
24 import com.android.settings.R;
25 import com.android.settings.core.TogglePreferenceController;
26 import com.android.settingslib.widget.MainSwitchPreference;
27 import com.android.settingslib.widget.OnMainSwitchChangeListener;
28 
29 /**
30  * Preference controller for Bluetooth scanning main switch.
31  */
32 public class BluetoothScanningMainSwitchPreferenceController extends TogglePreferenceController
33         implements OnMainSwitchChangeListener {
34 
35     private static final String KEY_BLUETOOTH_SCANNING_SWITCH = "bluetooth_always_scanning_switch";
36 
BluetoothScanningMainSwitchPreferenceController(Context context)37     public BluetoothScanningMainSwitchPreferenceController(Context context) {
38         super(context, KEY_BLUETOOTH_SCANNING_SWITCH);
39     }
40 
41     @Override
displayPreference(PreferenceScreen screen)42     public void displayPreference(PreferenceScreen screen) {
43         super.displayPreference(screen);
44         MainSwitchPreference pref = screen.findPreference(getPreferenceKey());
45         pref.addOnSwitchChangeListener(this);
46         pref.updateStatus(isChecked());
47     }
48 
49     @Override
getAvailabilityStatus()50     public int getAvailabilityStatus() {
51         return mContext.getResources().getBoolean(R.bool.config_show_location_scanning)
52                 ? AVAILABLE
53                 : UNSUPPORTED_ON_DEVICE;
54     }
55 
56     @Override
isChecked()57     public boolean isChecked() {
58         return Settings.Global.getInt(mContext.getContentResolver(),
59                 Settings.Global.BLE_SCAN_ALWAYS_AVAILABLE, 0) == 1;
60     }
61 
62     @Override
setChecked(boolean isChecked)63     public boolean setChecked(boolean isChecked) {
64         Settings.Global.putInt(mContext.getContentResolver(),
65                 Settings.Global.BLE_SCAN_ALWAYS_AVAILABLE, isChecked ? 1 : 0);
66         // Returning true means the underlying setting is updated.
67         return true;
68     }
69 
70     @Override
getSliceHighlightMenuRes()71     public int getSliceHighlightMenuRes() {
72         return R.string.menu_key_location;
73     }
74 
75     @Override
onSwitchChanged(Switch switchView, boolean isChecked)76     public void onSwitchChanged(Switch switchView, boolean isChecked) {
77         if (isChecked != isChecked()) {
78             setChecked(isChecked);
79         }
80     }
81 }
82