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.deviceinfo.storage; 18 19 import android.app.ActivityManager; 20 import android.app.settings.SettingsEnums; 21 import android.content.Context; 22 import android.os.SystemProperties; 23 import android.provider.Settings; 24 25 import androidx.annotation.VisibleForTesting; 26 import androidx.fragment.app.FragmentManager; 27 import androidx.preference.PreferenceScreen; 28 29 import com.android.settings.core.BasePreferenceController; 30 import com.android.settings.deletionhelper.ActivationWarningFragment; 31 import com.android.settings.overlay.FeatureFactory; 32 import com.android.settings.widget.MasterSwitchController; 33 import com.android.settings.widget.MasterSwitchPreference; 34 import com.android.settings.widget.SwitchWidgetController; 35 import com.android.settingslib.Utils; 36 import com.android.settingslib.core.instrumentation.MetricsFeatureProvider; 37 import com.android.settingslib.core.lifecycle.LifecycleObserver; 38 import com.android.settingslib.core.lifecycle.events.OnResume; 39 40 public class AutomaticStorageManagementSwitchPreferenceController extends 41 BasePreferenceController implements LifecycleObserver, OnResume, 42 SwitchWidgetController.OnSwitchChangeListener { 43 @VisibleForTesting 44 static final String STORAGE_MANAGER_ENABLED_BY_DEFAULT_PROPERTY = "ro.storage_manager.enabled"; 45 private final MetricsFeatureProvider mMetricsFeatureProvider; 46 private MasterSwitchPreference mSwitch; 47 private MasterSwitchController mSwitchController; 48 private FragmentManager mFragmentManager; 49 AutomaticStorageManagementSwitchPreferenceController(Context context, String key)50 public AutomaticStorageManagementSwitchPreferenceController(Context context, String key) { 51 super(context, key); 52 mMetricsFeatureProvider = FeatureFactory.getFactory(context).getMetricsFeatureProvider(); 53 } 54 setFragmentManager( FragmentManager fragmentManager)55 public AutomaticStorageManagementSwitchPreferenceController setFragmentManager( 56 FragmentManager fragmentManager) { 57 mFragmentManager = fragmentManager; 58 return this; 59 } 60 61 @Override displayPreference(PreferenceScreen screen)62 public void displayPreference(PreferenceScreen screen) { 63 super.displayPreference(screen); 64 mSwitch = screen.findPreference(getPreferenceKey()); 65 } 66 67 @Override getAvailabilityStatus()68 public int getAvailabilityStatus() { 69 return !ActivityManager.isLowRamDeviceStatic() ? AVAILABLE : UNSUPPORTED_ON_DEVICE; 70 } 71 72 @Override onResume()73 public void onResume() { 74 if (!isAvailable()) { 75 return; 76 } 77 mSwitch.setChecked(Utils.isStorageManagerEnabled(mContext)); 78 79 if (mSwitch != null) { 80 mSwitchController = new MasterSwitchController(mSwitch); 81 mSwitchController.setListener(this); 82 mSwitchController.startListening(); 83 } 84 } 85 86 @Override onSwitchToggled(boolean isChecked)87 public boolean onSwitchToggled(boolean isChecked) { 88 mMetricsFeatureProvider.action(mContext, 89 SettingsEnums.ACTION_TOGGLE_STORAGE_MANAGER, isChecked); 90 Settings.Secure.putInt(mContext.getContentResolver(), 91 Settings.Secure.AUTOMATIC_STORAGE_MANAGER_ENABLED, 92 isChecked ? 1 : 0); 93 94 final boolean storageManagerEnabledByDefault = 95 SystemProperties.getBoolean(STORAGE_MANAGER_ENABLED_BY_DEFAULT_PROPERTY, false); 96 final boolean storageManagerDisabledByPolicy = 97 Settings.Secure.getInt( 98 mContext.getContentResolver(), 99 Settings.Secure.AUTOMATIC_STORAGE_MANAGER_TURNED_OFF_BY_POLICY, 100 0) 101 != 0; 102 // Show warning if it is disabled by default and turning it on or if it was disabled by 103 // policy and we're turning it on. 104 if (isChecked && (!storageManagerEnabledByDefault || storageManagerDisabledByPolicy)) { 105 ActivationWarningFragment fragment = ActivationWarningFragment.newInstance(); 106 fragment.show(mFragmentManager, ActivationWarningFragment.TAG); 107 } 108 109 return true; 110 } 111 }