1 /* 2 * Copyright (C) 2016 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.datetime; 18 19 import android.app.Activity; 20 import android.app.AlarmManager; 21 import android.app.DatePickerDialog; 22 import android.content.Context; 23 import android.text.TextUtils; 24 import android.text.format.DateFormat; 25 import android.widget.DatePicker; 26 27 import androidx.annotation.VisibleForTesting; 28 import androidx.preference.Preference; 29 30 import com.android.settings.core.PreferenceControllerMixin; 31 import com.android.settingslib.RestrictedPreference; 32 import com.android.settingslib.core.AbstractPreferenceController; 33 34 import java.util.Calendar; 35 36 public class DatePreferenceController extends AbstractPreferenceController 37 implements PreferenceControllerMixin, DatePickerDialog.OnDateSetListener { 38 39 public interface DatePreferenceHost extends UpdateTimeAndDateCallback { showDatePicker()40 void showDatePicker(); 41 } 42 43 public static final int DIALOG_DATEPICKER = 0; 44 45 private static final String KEY_DATE = "date"; 46 47 private final DatePreferenceHost mHost; 48 private final AutoTimePreferenceController mAutoTimePreferenceController; 49 DatePreferenceController(Context context, DatePreferenceHost host, AutoTimePreferenceController autoTimePreferenceController)50 public DatePreferenceController(Context context, DatePreferenceHost host, 51 AutoTimePreferenceController autoTimePreferenceController) { 52 super(context); 53 mHost = host; 54 mAutoTimePreferenceController = autoTimePreferenceController; 55 } 56 57 @Override isAvailable()58 public boolean isAvailable() { 59 return true; 60 } 61 62 @Override updateState(Preference preference)63 public void updateState(Preference preference) { 64 if (!(preference instanceof RestrictedPreference)) { 65 return; 66 } 67 final Calendar now = Calendar.getInstance(); 68 preference.setSummary(DateFormat.getLongDateFormat(mContext).format(now.getTime())); 69 if (!((RestrictedPreference) preference).isDisabledByAdmin()) { 70 preference.setEnabled(!mAutoTimePreferenceController.isEnabled()); 71 } 72 } 73 74 @Override handlePreferenceTreeClick(Preference preference)75 public boolean handlePreferenceTreeClick(Preference preference) { 76 if (!TextUtils.equals(preference.getKey(), KEY_DATE)) { 77 return false; 78 } 79 mHost.showDatePicker(); 80 return true; 81 } 82 83 @Override getPreferenceKey()84 public String getPreferenceKey() { 85 return KEY_DATE; 86 } 87 88 @Override onDateSet(DatePicker view, int year, int month, int day)89 public void onDateSet(DatePicker view, int year, int month, int day) { 90 setDate(year, month, day); 91 mHost.updateTimeAndDateDisplay(mContext); 92 } 93 buildDatePicker(Activity activity)94 public DatePickerDialog buildDatePicker(Activity activity) { 95 final Calendar calendar = Calendar.getInstance(); 96 final DatePickerDialog d = new DatePickerDialog( 97 activity, 98 this, 99 calendar.get(Calendar.YEAR), 100 calendar.get(Calendar.MONTH), 101 calendar.get(Calendar.DAY_OF_MONTH)); 102 // The system clock can't represent dates outside this range. 103 calendar.clear(); 104 calendar.set(2007, Calendar.JANUARY, 1); 105 d.getDatePicker().setMinDate(calendar.getTimeInMillis()); 106 calendar.clear(); 107 calendar.set(2037, Calendar.DECEMBER, 31); 108 d.getDatePicker().setMaxDate(calendar.getTimeInMillis()); 109 return d; 110 } 111 112 @VisibleForTesting setDate(int year, int month, int day)113 void setDate(int year, int month, int day) { 114 Calendar c = Calendar.getInstance(); 115 116 c.set(Calendar.YEAR, year); 117 c.set(Calendar.MONTH, month); 118 c.set(Calendar.DAY_OF_MONTH, day); 119 long when = Math.max(c.getTimeInMillis(), DatePreferenceHost.MIN_DATE); 120 121 if (when / 1000 < Integer.MAX_VALUE) { 122 ((AlarmManager) mContext.getSystemService(Context.ALARM_SERVICE)).setTime(when); 123 } 124 } 125 } 126