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.util.Preconditions; 27 import com.android.settings.core.instrumentation.MetricsFeatureProvider; 28 import com.android.settings.widget.SwitchBar; 29 import com.android.internal.logging.nano.MetricsProto.MetricsEvent; 30 31 /** Handles the logic for flipping the storage management toggle on a {@link SwitchBar}. */ 32 public class AutomaticStorageManagerSwitchBarController 33 implements SwitchBar.OnSwitchChangeListener { 34 private static final String STORAGE_MANAGER_ENABLED_BY_DEFAULT_PROPERTY = 35 "ro.storage_manager.enabled"; 36 37 private Context mContext; 38 private SwitchBar mSwitchBar; 39 private MetricsFeatureProvider mMetrics; 40 private Preference mDaysToRetainPreference; 41 private FragmentManager mFragmentManager; 42 AutomaticStorageManagerSwitchBarController( Context context, SwitchBar switchBar, MetricsFeatureProvider metrics, Preference daysToRetainPreference, FragmentManager fragmentManager)43 public AutomaticStorageManagerSwitchBarController( 44 Context context, 45 SwitchBar switchBar, 46 MetricsFeatureProvider metrics, 47 Preference daysToRetainPreference, 48 FragmentManager fragmentManager) { 49 mContext = Preconditions.checkNotNull(context); 50 mSwitchBar = Preconditions.checkNotNull(switchBar); 51 mMetrics = Preconditions.checkNotNull(metrics); 52 mDaysToRetainPreference = Preconditions.checkNotNull(daysToRetainPreference); 53 mFragmentManager = Preconditions.checkNotNull(fragmentManager); 54 55 initializeCheckedStatus(); 56 } 57 initializeCheckedStatus()58 private void initializeCheckedStatus() { 59 boolean isStorageManagerChecked = 60 Settings.Secure.getInt( 61 mContext.getContentResolver(), 62 Settings.Secure.AUTOMATIC_STORAGE_MANAGER_ENABLED, 63 0) 64 != 0; 65 mSwitchBar.setChecked(isStorageManagerChecked); 66 mSwitchBar.addOnSwitchChangeListener(this); 67 } 68 69 @Override onSwitchChanged(Switch switchView, boolean isChecked)70 public void onSwitchChanged(Switch switchView, boolean isChecked) { 71 mMetrics.action(mContext, MetricsEvent.ACTION_TOGGLE_STORAGE_MANAGER, isChecked); 72 mDaysToRetainPreference.setEnabled(isChecked); 73 Settings.Secure.putInt( 74 mContext.getContentResolver(), 75 Settings.Secure.AUTOMATIC_STORAGE_MANAGER_ENABLED, 76 isChecked ? 1 : 0); 77 // Only show a warning if enabling. 78 if (isChecked) { 79 maybeShowWarning(); 80 } 81 } 82 83 /** Unregisters the controller from listening to further events. */ tearDown()84 public void tearDown() { 85 mSwitchBar.removeOnSwitchChangeListener(this); 86 } 87 maybeShowWarning()88 private void maybeShowWarning() { 89 // If the storage manager is on by default, we don't need to show the additional dialog. 90 if (SystemProperties.getBoolean(STORAGE_MANAGER_ENABLED_BY_DEFAULT_PROPERTY, false)) { 91 return; 92 } 93 ActivationWarningFragment fragment = ActivationWarningFragment.newInstance(); 94 fragment.show(mFragmentManager, ActivationWarningFragment.TAG); 95 } 96 } 97