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.settings.display;
18 
19 import android.app.settings.SettingsEnums;
20 import android.content.Context;
21 import android.widget.Switch;
22 
23 import com.android.internal.view.RotationPolicy;
24 import com.android.settings.overlay.FeatureFactory;
25 import com.android.settings.widget.SettingsMainSwitchBar;
26 import com.android.settingslib.core.instrumentation.MetricsFeatureProvider;
27 import com.android.settingslib.core.lifecycle.Lifecycle;
28 import com.android.settingslib.core.lifecycle.LifecycleObserver;
29 import com.android.settingslib.core.lifecycle.events.OnStart;
30 import com.android.settingslib.core.lifecycle.events.OnStop;
31 import com.android.settingslib.widget.OnMainSwitchChangeListener;
32 
33 /**
34  * The switch controller for the location.
35  */
36 public class AutoRotateSwitchBarController implements OnMainSwitchChangeListener,
37         LifecycleObserver, OnStart, OnStop {
38 
39     private final SettingsMainSwitchBar mSwitchBar;
40     private final Context mContext;
41     private boolean mValidListener;
42     private final MetricsFeatureProvider mMetricsFeatureProvider;
43 
AutoRotateSwitchBarController(Context context, SettingsMainSwitchBar switchBar, Lifecycle lifecycle)44     public AutoRotateSwitchBarController(Context context, SettingsMainSwitchBar switchBar,
45             Lifecycle lifecycle) {
46         mSwitchBar = switchBar;
47         mContext = context;
48         mMetricsFeatureProvider = FeatureFactory.getFactory(context).getMetricsFeatureProvider();
49         if (lifecycle != null) {
50             lifecycle.addObserver(this);
51         }
52     }
53 
54     @Override
onStart()55     public void onStart() {
56         if (!mValidListener) {
57             mSwitchBar.addOnSwitchChangeListener(this);
58             mValidListener = true;
59         }
60         onChange();
61     }
62 
63     @Override
onStop()64     public void onStop() {
65         if (mValidListener) {
66             mSwitchBar.removeOnSwitchChangeListener(this);
67             mValidListener = false;
68         }
69     }
70 
71     /**
72      * Listens to the state change of the rotation primary switch.
73      */
74     @Override
onSwitchChanged(Switch switchView, boolean isChecked)75     public void onSwitchChanged(Switch switchView, boolean isChecked) {
76         setRotationLock(isChecked);
77     }
78 
79 
onChange()80     protected void onChange() {
81         final boolean isEnabled = !RotationPolicy.isRotationLocked(mContext);
82         if (isEnabled != mSwitchBar.isChecked()) {
83             // set listener to null so that that code below doesn't trigger onCheckedChanged()
84             if (mValidListener) {
85                 mSwitchBar.removeOnSwitchChangeListener(this);
86             }
87             mSwitchBar.setChecked(isEnabled);
88             if (mValidListener) {
89                 mSwitchBar.addOnSwitchChangeListener(this);
90             }
91         }
92     }
93 
setRotationLock(boolean isChecked)94     private boolean setRotationLock(boolean isChecked) {
95         final boolean isLocked = !isChecked;
96         mMetricsFeatureProvider.action(mContext, SettingsEnums.ACTION_ROTATE_ROTATE_MASTER_TOGGLE,
97                 isChecked);
98         RotationPolicy.setRotationLock(mContext, isLocked);
99         return true;
100     }
101 
102 }
103 
104