1 /* 2 * Copyright (C) 2018 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.car.settings.datetime; 18 19 import android.app.time.TimeManager; 20 import android.car.drivingstate.CarUxRestrictions; 21 import android.content.BroadcastReceiver; 22 import android.content.Context; 23 import android.content.Intent; 24 import android.content.IntentFilter; 25 import android.provider.Settings; 26 import android.text.format.DateFormat; 27 28 import androidx.preference.Preference; 29 30 import com.android.car.settings.Flags; 31 import com.android.car.settings.common.FragmentController; 32 import com.android.car.settings.common.PreferenceController; 33 34 import java.util.Calendar; 35 36 /** 37 * Business logic for the preference which allows for time selection. 38 */ 39 public class TimePickerPreferenceController extends PreferenceController<Preference> { 40 41 private final IntentFilter mIntentFilter; 42 private final TimeManager mTimeManager; 43 private final BroadcastReceiver mTimeChangeReceiver = new BroadcastReceiver() { 44 @Override 45 public void onReceive(Context context, Intent intent) { 46 refreshUi(); 47 } 48 }; 49 TimePickerPreferenceController(Context context, String preferenceKey, FragmentController fragmentController, CarUxRestrictions uxRestrictions)50 public TimePickerPreferenceController(Context context, String preferenceKey, 51 FragmentController fragmentController, CarUxRestrictions uxRestrictions) { 52 super(context, preferenceKey, fragmentController, uxRestrictions); 53 // ACTION_TIME_CHANGED listens to changes to the autoDatetime toggle to update the time. 54 // ACTION_TIME_TICK listens to the minute changes to update the shown time. 55 // ACTION_TIMEZONE_CHANGED listens to time zone changes to update the shown time. 56 mIntentFilter = new IntentFilter(); 57 mIntentFilter.addAction(Intent.ACTION_TIME_CHANGED); 58 mIntentFilter.addAction(Intent.ACTION_TIME_TICK); 59 mIntentFilter.addAction(Intent.ACTION_TIMEZONE_CHANGED); 60 61 mTimeManager = context.getSystemService(TimeManager.class); 62 } 63 64 @Override getPreferenceType()65 protected Class<Preference> getPreferenceType() { 66 return Preference.class; 67 } 68 69 /** Starts the broadcast receiver which listens for time changes */ 70 @Override onStartInternal()71 protected void onStartInternal() { 72 getContext().registerReceiver(mTimeChangeReceiver, mIntentFilter, 73 Context.RECEIVER_NOT_EXPORTED); 74 } 75 76 /** Stops the broadcast receiver which listens for time changes */ 77 @Override onStopInternal()78 protected void onStopInternal() { 79 getContext().unregisterReceiver(mTimeChangeReceiver); 80 } 81 82 @Override updateState(Preference preference)83 public void updateState(Preference preference) { 84 preference.setSummary( 85 DateFormat.getTimeFormat(getContext()).format(Calendar.getInstance().getTime())); 86 boolean isAvailable = getAvailabilityStatus() == AVAILABLE; 87 preference.setEnabled(!autoDatetimeIsEnabled() && isAvailable); 88 setClickableWhileDisabled(preference, !isAvailable, p -> 89 DatetimeUtils.runClickableWhileDisabled(getContext(), getFragmentController())); 90 } 91 92 @Override getDefaultAvailabilityStatus()93 public int getDefaultAvailabilityStatus() { 94 return DatetimeUtils.getAvailabilityStatus(getContext()); 95 } 96 autoDatetimeIsEnabled()97 private boolean autoDatetimeIsEnabled() { 98 if (!Flags.updateDateAndTimePage()) { 99 return Settings.Global.getInt(getContext().getContentResolver(), 100 Settings.Global.AUTO_TIME, 0) > 0; 101 } 102 return DatetimeUtils.isAutoLocalTimeDetectionEnabled(mTimeManager); 103 } 104 } 105