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.DatePickerDialog; 21 import android.app.timedetector.ManualTimeSuggestion; 22 import android.app.timedetector.TimeDetector; 23 import android.content.Context; 24 import android.text.TextUtils; 25 import android.text.format.DateFormat; 26 import android.widget.DatePicker; 27 28 import androidx.annotation.VisibleForTesting; 29 import androidx.preference.Preference; 30 31 import com.android.settings.core.PreferenceControllerMixin; 32 import com.android.settingslib.RestrictedPreference; 33 import com.android.settingslib.core.AbstractPreferenceController; 34 35 import java.util.Calendar; 36 37 public class DatePreferenceController extends AbstractPreferenceController 38 implements PreferenceControllerMixin, DatePickerDialog.OnDateSetListener { 39 40 public interface DatePreferenceHost extends UpdateTimeAndDateCallback { showDatePicker()41 void showDatePicker(); 42 } 43 44 public static final int DIALOG_DATEPICKER = 0; 45 46 private static final String KEY_DATE = "date"; 47 48 private final DatePreferenceHost mHost; 49 private final AutoTimePreferenceController mAutoTimePreferenceController; 50 DatePreferenceController(Context context, DatePreferenceHost host, AutoTimePreferenceController autoTimePreferenceController)51 public DatePreferenceController(Context context, DatePreferenceHost host, 52 AutoTimePreferenceController autoTimePreferenceController) { 53 super(context); 54 mHost = host; 55 mAutoTimePreferenceController = autoTimePreferenceController; 56 } 57 58 @Override isAvailable()59 public boolean isAvailable() { 60 return true; 61 } 62 63 @Override updateState(Preference preference)64 public void updateState(Preference preference) { 65 if (!(preference instanceof RestrictedPreference)) { 66 return; 67 } 68 final Calendar now = Calendar.getInstance(); 69 preference.setSummary(DateFormat.getLongDateFormat(mContext).format(now.getTime())); 70 if (!((RestrictedPreference) preference).isDisabledByAdmin()) { 71 preference.setEnabled(!mAutoTimePreferenceController.isEnabled()); 72 } 73 } 74 75 @Override handlePreferenceTreeClick(Preference preference)76 public boolean handlePreferenceTreeClick(Preference preference) { 77 if (!TextUtils.equals(preference.getKey(), KEY_DATE)) { 78 return false; 79 } 80 mHost.showDatePicker(); 81 return true; 82 } 83 84 @Override getPreferenceKey()85 public String getPreferenceKey() { 86 return KEY_DATE; 87 } 88 89 @Override onDateSet(DatePicker view, int year, int month, int day)90 public void onDateSet(DatePicker view, int year, int month, int day) { 91 setDate(year, month, day); 92 mHost.updateTimeAndDateDisplay(mContext); 93 } 94 buildDatePicker(Activity activity)95 public DatePickerDialog buildDatePicker(Activity activity) { 96 final Calendar calendar = Calendar.getInstance(); 97 final DatePickerDialog d = new DatePickerDialog( 98 activity, 99 this, 100 calendar.get(Calendar.YEAR), 101 calendar.get(Calendar.MONTH), 102 calendar.get(Calendar.DAY_OF_MONTH)); 103 // The system clock can't represent dates outside this range. 104 calendar.clear(); 105 calendar.set(2007, Calendar.JANUARY, 1); 106 d.getDatePicker().setMinDate(calendar.getTimeInMillis()); 107 calendar.clear(); 108 calendar.set(2037, Calendar.DECEMBER, 31); 109 d.getDatePicker().setMaxDate(calendar.getTimeInMillis()); 110 return d; 111 } 112 113 @VisibleForTesting setDate(int year, int month, int day)114 void setDate(int year, int month, int day) { 115 Calendar c = Calendar.getInstance(); 116 117 c.set(Calendar.YEAR, year); 118 c.set(Calendar.MONTH, month); 119 c.set(Calendar.DAY_OF_MONTH, day); 120 long when = Math.max(c.getTimeInMillis(), DatePreferenceHost.MIN_DATE); 121 122 if (when / 1000 < Integer.MAX_VALUE) { 123 TimeDetector timeDetector = mContext.getSystemService(TimeDetector.class); 124 ManualTimeSuggestion manualTimeSuggestion = 125 TimeDetector.createManualTimeSuggestion(when, "Settings: Set date"); 126 timeDetector.suggestManualTime(manualTimeSuggestion); 127 } 128 } 129 } 130