diff options
Diffstat (limited to 'OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/dialog/ChangeExpiryDialogFragment.java')
| -rw-r--r-- | OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/dialog/ChangeExpiryDialogFragment.java | 187 |
1 files changed, 187 insertions, 0 deletions
diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/dialog/ChangeExpiryDialogFragment.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/dialog/ChangeExpiryDialogFragment.java new file mode 100644 index 000000000..d5354a9f6 --- /dev/null +++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/dialog/ChangeExpiryDialogFragment.java @@ -0,0 +1,187 @@ +/* + * 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); + } + } +} |