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.deletionhelper;
18 
19 import android.app.settings.SettingsEnums;
20 import android.content.Context;
21 import android.os.SystemProperties;
22 import android.provider.Settings;
23 import android.widget.Switch;
24 
25 import androidx.fragment.app.FragmentManager;
26 import androidx.preference.Preference;
27 
28 import com.android.internal.util.Preconditions;
29 import com.android.settings.widget.SettingsMainSwitchBar;
30 import com.android.settingslib.Utils;
31 import com.android.settingslib.core.instrumentation.MetricsFeatureProvider;
32 import com.android.settingslib.widget.OnMainSwitchChangeListener;
33 
34 /** Handles the logic for flipping the storage management toggle on a {@link SwitchBar}. */
35 public class AutomaticStorageManagerSwitchBarController
36         implements OnMainSwitchChangeListener {
37     private static final String STORAGE_MANAGER_ENABLED_BY_DEFAULT_PROPERTY =
38             "ro.storage_manager.enabled";
39 
40     private Context mContext;
41     private SettingsMainSwitchBar mSwitchBar;
42     private MetricsFeatureProvider mMetrics;
43     private Preference mDaysToRetainPreference;
44     private FragmentManager mFragmentManager;
45 
AutomaticStorageManagerSwitchBarController( Context context, SettingsMainSwitchBar switchBar, MetricsFeatureProvider metrics, Preference daysToRetainPreference, FragmentManager fragmentManager)46     public AutomaticStorageManagerSwitchBarController(
47             Context context,
48             SettingsMainSwitchBar switchBar,
49             MetricsFeatureProvider metrics,
50             Preference daysToRetainPreference,
51             FragmentManager fragmentManager) {
52         mContext = Preconditions.checkNotNull(context);
53         mSwitchBar = Preconditions.checkNotNull(switchBar);
54         mMetrics = Preconditions.checkNotNull(metrics);
55         mDaysToRetainPreference = Preconditions.checkNotNull(daysToRetainPreference);
56         mFragmentManager = Preconditions.checkNotNull(fragmentManager);
57 
58         initializeCheckedStatus();
59     }
60 
initializeCheckedStatus()61     private void initializeCheckedStatus() {
62         mSwitchBar.setChecked(Utils.isStorageManagerEnabled(mContext));
63         mSwitchBar.addOnSwitchChangeListener(this);
64     }
65 
66     @Override
onSwitchChanged(Switch switchView, boolean isChecked)67     public void onSwitchChanged(Switch switchView, boolean isChecked) {
68         mMetrics.action(mContext, SettingsEnums.ACTION_TOGGLE_STORAGE_MANAGER, isChecked);
69         mDaysToRetainPreference.setEnabled(isChecked);
70         Settings.Secure.putInt(
71                 mContext.getContentResolver(),
72                 Settings.Secure.AUTOMATIC_STORAGE_MANAGER_ENABLED,
73                 isChecked ? 1 : 0);
74         // Only show a warning if enabling.
75         if (isChecked) {
76             maybeShowWarning();
77         }
78     }
79 
80     /** Unregisters the controller from listening to further events. */
tearDown()81     public void tearDown() {
82         mSwitchBar.removeOnSwitchChangeListener(this);
83     }
84 
maybeShowWarning()85     private void maybeShowWarning() {
86         // If the storage manager is on by default, we don't need to show the additional dialog.
87         if (SystemProperties.getBoolean(STORAGE_MANAGER_ENABLED_BY_DEFAULT_PROPERTY, false)) {
88             return;
89         }
90         ActivationWarningFragment fragment = ActivationWarningFragment.newInstance();
91         fragment.show(mFragmentManager, ActivationWarningFragment.TAG);
92     }
93 }
94