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.gestures;
18 
19 import android.content.Context;
20 import android.hardware.display.AmbientDisplayConfiguration;
21 
22 import androidx.annotation.NonNull;
23 
24 import com.android.settings.core.BasePreferenceController;
25 import com.android.settingslib.core.AbstractPreferenceController;
26 
27 import java.util.ArrayList;
28 import java.util.List;
29 
30 public class GesturesSettingPreferenceController extends BasePreferenceController {
31     private List<AbstractPreferenceController> mGestureControllers;
32 
33     private static final String FAKE_PREF_KEY = "fake_key_only_for_get_available";
34 
GesturesSettingPreferenceController(Context context, String key)35     public GesturesSettingPreferenceController(Context context, String key) {
36         super(context, key);
37     }
38 
39     @Override
getAvailabilityStatus()40     public int getAvailabilityStatus() {
41         if (mGestureControllers == null) {
42             mGestureControllers = buildAllPreferenceControllers(mContext);
43         }
44         boolean isAvailable = false;
45         for (AbstractPreferenceController controller : mGestureControllers) {
46             isAvailable = isAvailable || controller.isAvailable();
47         }
48         return isAvailable ? AVAILABLE : UNSUPPORTED_ON_DEVICE;
49     }
50 
51     /**
52      * Get all controllers for their availability status when doing getAvailabilityStatus.
53      * Do not use this method to add controllers into fragment, most of below controllers already
54      * convert to TogglePreferenceController, please register them in xml.
55      * The key is fake because those controllers won't be use to control preference.
56      */
buildAllPreferenceControllers( @onNull Context context)57     private static List<AbstractPreferenceController> buildAllPreferenceControllers(
58             @NonNull Context context) {
59         final AmbientDisplayConfiguration ambientDisplayConfiguration =
60                 new AmbientDisplayConfiguration(context);
61         final List<AbstractPreferenceController> controllers = new ArrayList<>();
62 
63         controllers.add(new SwipeToNotificationPreferenceController(context, FAKE_PREF_KEY));
64         controllers.add(new DoubleTwistPreferenceController(context, FAKE_PREF_KEY));
65         controllers.add(new DoubleTapPowerPreferenceController(context, FAKE_PREF_KEY));
66         controllers.add(new PickupGesturePreferenceController(context, FAKE_PREF_KEY)
67                 .setConfig(ambientDisplayConfiguration));
68         controllers.add(new DoubleTapScreenPreferenceController(context, FAKE_PREF_KEY)
69                 .setConfig(ambientDisplayConfiguration));
70         controllers.add(new PreventRingingParentPreferenceController(context, FAKE_PREF_KEY));
71         return controllers;
72     }
73 }
74