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/*
* Copyright (C) 2014 Dominik Schürmann <dominik@dominikschuermann.de>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package org.sufficientlysecure.keychain.ui.dialog;
import android.app.DatePickerDialog;
import android.app.Dialog;
import android.content.Context;
import android.content.DialogInterface;
import android.os.Bundle;
import android.os.Message;
import android.os.Messenger;
import android.os.RemoteException;
import android.support.v4.app.DialogFragment;
import android.text.format.DateUtils;
import android.widget.DatePicker;
import org.sufficientlysecure.keychain.Constants;
import org.sufficientlysecure.keychain.R;
import org.sufficientlysecure.keychain.util.Log;
import java.util.Calendar;
import java.util.Date;
import java.util.GregorianCalendar;
import java.util.TimeZone;
public class ChangeExpiryDialogFragment extends DialogFragment {
private static final String ARG_MESSENGER = "messenger";
private static final String ARG_CREATION_DATE = "creation_date";
private static final String ARG_EXPIRY_DATE = "expiry_date";
public static final int MESSAGE_NEW_EXPIRY_DATE = 1;
public static final String MESSAGE_DATA_EXPIRY_DATE = "expiry_date";
private Messenger mMessenger;
private Calendar mCreationCal;
private Calendar mExpiryCal;
private int mDatePickerResultCount = 0;
private DatePickerDialog.OnDateSetListener mExpiryDateSetListener =
new DatePickerDialog.OnDateSetListener() {
public void onDateSet(DatePicker view, int year, int monthOfYear, int dayOfMonth) {
// Note: Ignore results after the first one - android sends multiples.
if (mDatePickerResultCount++ == 0) {
Calendar selectedCal = Calendar.getInstance(TimeZone.getTimeZone("UTC"));
selectedCal.set(year, monthOfYear, dayOfMonth);
if (mExpiryCal != null) {
long numDays = (selectedCal.getTimeInMillis() / 86400000)
- (mExpiryCal.getTimeInMillis() / 86400000);
if (numDays > 0) {
Bundle data = new Bundle();
data.putSerializable(MESSAGE_DATA_EXPIRY_DATE, selectedCal.getTime());
sendMessageToHandler(MESSAGE_NEW_EXPIRY_DATE, data);
}
} else {
Bundle data = new Bundle();
data.putSerializable(MESSAGE_DATA_EXPIRY_DATE, selectedCal.getTime());
sendMessageToHandler(MESSAGE_NEW_EXPIRY_DATE, data);
}
}
}
};
public class ExpiryDatePickerDialog extends DatePickerDialog {
public ExpiryDatePickerDialog(Context context, OnDateSetListener callBack,
int year, int monthOfYear, int dayOfMonth) {
super(context, callBack, year, monthOfYear, dayOfMonth);
}
// set permanent title
public void setTitle(CharSequence title) {
super.setTitle(getContext().getString(R.string.expiry_date_dialog_title));
}
}
/**
* Creates new instance of this dialog fragment
*/
public static ChangeExpiryDialogFragment newInstance(Messenger messenger,
Date creationDate, Date expiryDate) {
ChangeExpiryDialogFragment frag = new ChangeExpiryDialogFragment();
Bundle args = new Bundle();
args.putParcelable(ARG_MESSENGER, messenger);
args.putSerializable(ARG_CREATION_DATE, creationDate);
args.putSerializable(ARG_EXPIRY_DATE, expiryDate);
frag.setArguments(args);
return frag;
}
/**
* Creates dialog
*/
@Override
public Dialog onCreateDialog(Bundle savedInstanceState) {
mMessenger = getArguments().getParcelable(ARG_MESSENGER);
Date creationDate = (Date) getArguments().getSerializable(ARG_CREATION_DATE);
Date expiryDate = (Date) getArguments().getSerializable(ARG_EXPIRY_DATE);
mCreationCal = Calendar.getInstance(TimeZone.getTimeZone("UTC"));
mCreationCal.setTime(creationDate);
mExpiryCal = Calendar.getInstance(TimeZone.getTimeZone("UTC"));
mExpiryCal.setTime(expiryDate);
/*
* Using custom DatePickerDialog which overrides the setTitle because
* the DatePickerDialog title is buggy (unix warparound bug).
* See: https://code.google.com/p/android/issues/detail?id=49066
*/
DatePickerDialog dialog = new ExpiryDatePickerDialog(getActivity(),
mExpiryDateSetListener, mExpiryCal.get(Calendar.YEAR), mExpiryCal.get(Calendar.MONTH),
mExpiryCal.get(Calendar.DAY_OF_MONTH));
mDatePickerResultCount = 0;
dialog.setCancelable(true);
dialog.setButton(Dialog.BUTTON_NEGATIVE,
getActivity().getString(R.string.btn_no_date),
new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int which) {
// Note: Ignore results after the first one - android sends multiples.
if (mDatePickerResultCount++ == 0) {
// none expiry dates corresponds to a null message
Bundle data = new Bundle();
data.putSerializable(MESSAGE_DATA_EXPIRY_DATE, null);
sendMessageToHandler(MESSAGE_NEW_EXPIRY_DATE, data);
}
}
}
);
// setCalendarViewShown() is supported from API 11 onwards.
if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.HONEYCOMB) {
// Hide calendarView in tablets because of the unix warparound bug.
dialog.getDatePicker().setCalendarViewShown(false);
}
if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.HONEYCOMB) {
// will crash with IllegalArgumentException if we set a min date
// that is not before expiry
if (mCreationCal != null && mCreationCal.before(mExpiryCal)) {
dialog.getDatePicker().setMinDate(mCreationCal.getTime().getTime()
+ DateUtils.DAY_IN_MILLIS);
} else {
// When created date isn't available
dialog.getDatePicker().setMinDate(mExpiryCal.getTime().getTime()
+ DateUtils.DAY_IN_MILLIS);
}
}
return dialog;
}
/**
* Send message back to handler which is initialized in a activity
*
* @param what Message integer you want to send
*/
private void sendMessageToHandler(Integer what, Bundle data) {
Message msg = Message.obtain();
msg.what = what;
if (data != null) {
msg.setData(data);
}
try {
mMessenger.send(msg);
} catch (RemoteException e) {
Log.w(Constants.TAG, "Exception sending message, Is handler present?", e);
} catch (NullPointerException e) {
Log.w(Constants.TAG, "Messenger is null!", e);
}
}
}
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