// Copyright 2012 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
package org.chromium.content.browser.picker;
import android.app.AlertDialog;
import android.content.Context;
import android.content.DialogInterface;
import android.content.DialogInterface.OnClickListener;
import android.view.LayoutInflater;
import android.view.View;
import android.widget.DatePicker;
import android.widget.DatePicker.OnDateChangedListener;
import android.widget.TimePicker;
import android.widget.TimePicker.OnTimeChangedListener;
import androidx.annotation.VisibleForTesting;
import org.chromium.content.R;
import java.util.Calendar;
import java.util.GregorianCalendar;
import java.util.TimeZone;
/**
* A dialog that allows the user to choose a date and time. Shown for HTML form input elements
* with type "datetime" or "datetime-local".
*/
public class DateTimePickerDialog extends AlertDialog
implements OnClickListener, OnDateChangedListener, OnTimeChangedListener {
private final DatePicker mDatePicker;
private final TimePicker mTimePicker;
private final OnDateTimeSetListener mCallBack;
private final long mMinTimeMillis;
private final long mMaxTimeMillis;
/** The callback used to indicate the user is done filling in the date. */
public interface OnDateTimeSetListener {
/**
* @param dateView The DatePicker view associated with this listener.
* @param timeView The TimePicker view associated with this listener.
* @param year The year that was set.
* @param monthOfYear The month that was set (0-11) for compatibility
* with {@link java.util.Calendar}.
* @param dayOfMonth The day of the month that was set.
* @param hourOfDay The hour that was set.
* @param minute The minute that was set.
*/
void onDateTimeSet(
DatePicker dateView,
TimePicker timeView,
int year,
int monthOfYear,
int dayOfMonth,
int hourOfDay,
int minute);
}
/**
* @param context The context the dialog is to run in.
* @param callBack How the parent is notified that the date is set.
* @param year The initial year of the dialog.
* @param monthOfYear The initial month of the dialog.
* @param dayOfMonth The initial day of the dialog.
*/
public DateTimePickerDialog(
Context context,
OnDateTimeSetListener callBack,
int year,
int monthOfYear,
int dayOfMonth,
int hourOfDay,
int minute,
boolean is24HourView,
double min,
double max) {
super(context, 0);
mMinTimeMillis = (long) min;
mMaxTimeMillis = (long) max;
mCallBack = callBack;
setButton(BUTTON_POSITIVE, context.getText(R.string.date_picker_dialog_set), this);
setButton(
BUTTON_NEGATIVE, context.getText(android.R.string.cancel), (OnClickListener) null);
setIcon(0);
setTitle(context.getText(R.string.date_time_picker_dialog_title));
LayoutInflater inflater =
(LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
View view = inflater.inflate(R.layout.date_time_picker_dialog, null);
setView(view);
mDatePicker = (DatePicker) view.findViewById(R.id.date_picker);
DateDialogNormalizer.normalize(
mDatePicker, this, year, monthOfYear, dayOfMonth, mMinTimeMillis, mMaxTimeMillis);
mTimePicker = (TimePicker) view.findViewById(R.id.time_picker);
mTimePicker.setIs24HourView(is24HourView);
setHour(mTimePicker, hourOfDay);
setMinute(mTimePicker, minute);
mTimePicker.setOnTimeChangedListener(this);
onTimeChanged(mTimePicker, getHour(mTimePicker), getMinute(mTimePicker));
}
@Override
public void onClick(DialogInterface dialog, int which) {
tryNotifyDateTimeSet();
}
private void tryNotifyDateTimeSet() {
if (mCallBack != null) {
mDatePicker.clearFocus();
mTimePicker.clearFocus();
mCallBack.onDateTimeSet(
mDatePicker,
mTimePicker,
mDatePicker.getYear(),
mDatePicker.getMonth(),
mDatePicker.getDayOfMonth(),
getHour(mTimePicker),
getMinute(mTimePicker));
}
}
@Override
public void onDateChanged(DatePicker view, int year, int month, int day) {
// Signal a time change so the max/min checks can be applied.
if (mTimePicker != null) {
onTimeChanged(mTimePicker, getHour(mTimePicker), getMinute(mTimePicker));
}
}
@Override
public void onTimeChanged(TimePicker view, int hourOfDay, int minute) {
onTimeChangedInternal(
mDatePicker.getYear(),
mDatePicker.getMonth(),
mDatePicker.getDayOfMonth(),
mTimePicker,
mMinTimeMillis,
mMaxTimeMillis);
}
@VisibleForTesting
public static void onTimeChangedInternal(
int year,
int month,
int day,
TimePicker picker,
long minTimeMillis,
long maxTimeMillis) {
// Need to use a calendar object for UTC because we'd like to compare
// it with minimum/maximum values in UTC.
Calendar calendar = new GregorianCalendar(TimeZone.getTimeZone("UTC"));
calendar.clear();
calendar.set(year, month, day, getHour(picker), getMinute(picker), 0);
if (calendar.getTimeInMillis() < minTimeMillis) {
calendar.setTimeInMillis(minTimeMillis);
} else if (calendar.getTimeInMillis() > maxTimeMillis) {
calendar.setTimeInMillis(maxTimeMillis);
}
setHour(picker, calendar.get(Calendar.HOUR_OF_DAY));
setMinute(picker, calendar.get(Calendar.MINUTE));
}
/**
* Sets the current date.
*
* @param year The date year.
* @param monthOfYear The date month.
* @param dayOfMonth The date day of month.
*/
public void updateDateTime(
int year, int monthOfYear, int dayOfMonth, int hourOfDay, int minutOfHour) {
mDatePicker.updateDate(year, monthOfYear, dayOfMonth);
setHour(mTimePicker, hourOfDay);
setMinute(mTimePicker, minutOfHour);
}
// TODO(newt): delete these deprecated method calls once we support only API 23 and higher.
@SuppressWarnings("deprecation")
private static void setHour(TimePicker picker, int hour) {
picker.setCurrentHour(hour);
}
@SuppressWarnings("deprecation")
private static void setMinute(TimePicker picker, int minute) {
picker.setCurrentMinute(minute);
}
@SuppressWarnings("deprecation")
private static int getHour(TimePicker picker) {
return picker.getCurrentHour();
}
@SuppressWarnings("deprecation")
private static int getMinute(TimePicker picker) {
return picker.getCurrentMinute();
}
}
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