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.FragmentManager; 20 import android.content.Context; 21 import android.os.SystemProperties; 22 import android.provider.Settings; 23 import android.support.v7.preference.Preference; 24 import android.widget.Switch; 25 26 import com.android.internal.logging.nano.MetricsProto.MetricsEvent; 27 import com.android.internal.util.Preconditions; 28 import com.android.settings.widget.SwitchBar; 29 import com.android.settingslib.core.instrumentation.MetricsFeatureProvider; 30 import com.android.settingslib.Utils; 31 32 /** Handles the logic for flipping the storage management toggle on a {@link SwitchBar}. */ 33 public class AutomaticStorageManagerSwitchBarController 34 implements SwitchBar.OnSwitchChangeListener { 35 private static final String STORAGE_MANAGER_ENABLED_BY_DEFAULT_PROPERTY = 36 "ro.storage_manager.enabled"; 37 38 private Context mContext; 39 private SwitchBar mSwitchBar; 40 private MetricsFeatureProvider mMetrics; 41 private Preference mDaysToRetainPreference; 42 private FragmentManager mFragmentManager; 43 AutomaticStorageManagerSwitchBarController( Context context, SwitchBar switchBar, MetricsFeatureProvider metrics, Preference daysToRetainPreference, FragmentManager fragmentManager)44 public AutomaticStorageManagerSwitchBarController( 45 Context context, 46 SwitchBar switchBar, 47 MetricsFeatureProvider metrics, 48 Preference daysToRetainPreference, 49 FragmentManager fragmentManager) { 50 mContext = Preconditions.checkNotNull(context); 51 mSwitchBar = Preconditions.checkNotNull(switchBar); 52 mMetrics = Preconditions.checkNotNull(metrics); 53 mDaysToRetainPreference = Preconditions.checkNotNull(daysToRetainPreference); 54 mFragmentManager = Preconditions.checkNotNull(fragmentManager); 55 56 initializeCheckedStatus(); 57 } 58 initializeCheckedStatus()59 private void initializeCheckedStatus() { 60 mSwitchBar.setChecked(Utils.isStorageManagerEnabled(mContext)); 61 mSwitchBar.addOnSwitchChangeListener(this); 62 } 63 64 @Override onSwitchChanged(Switch switchView, boolean isChecked)65 public void onSwitchChanged(Switch switchView, boolean isChecked) { 66 mMetrics.action(mContext, MetricsEvent.ACTION_TOGGLE_STORAGE_MANAGER, isChecked); 67 mDaysToRetainPreference.setEnabled(isChecked); 68 Settings.Secure.putInt( 69 mContext.getContentResolver(), 70 Settings.Secure.AUTOMATIC_STORAGE_MANAGER_ENABLED, 71 isChecked ? 1 : 0); 72 // Only show a warning if enabling. 73 if (isChecked) { 74 maybeShowWarning(); 75 } 76 } 77 78 /** Unregisters the controller from listening to further events. */ tearDown()79 public void tearDown() { 80 mSwitchBar.removeOnSwitchChangeListener(this); 81 } 82 maybeShowWarning()83 private void maybeShowWarning() { 84 // If the storage manager is on by default, we don't need to show the additional dialog. 85 if (SystemProperties.getBoolean(STORAGE_MANAGER_ENABLED_BY_DEFAULT_PROPERTY, false)) { 86 return; 87 } 88 ActivationWarningFragment fragment = ActivationWarningFragment.newInstance(); 89 fragment.show(mFragmentManager, ActivationWarningFragment.TAG); 90 } 91 } 92