1 files changed, 187 insertions, 0 deletions
diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/dialog/EditSubkeyExpiryDialogFragment.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/dialog/EditSubkeyExpiryDialogFragment.java
new file mode 100644
index 000000000..aa63f9944
--- /dev/null
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/dialog/EditSubkeyExpiryDialogFragment.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.Activity;
+import android.app.Dialog;
+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.view.LayoutInflater;
+import android.view.View;
+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.TimeZone;
+
+public class EditSubkeyExpiryDialogFragment 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 int MESSAGE_CANCEL = 2;
+    public static final String MESSAGE_DATA_EXPIRY_DATE = "expiry_date";
+
+    private Messenger mMessenger;
+    private Calendar mExpiryCal;
+
+    private DatePicker mDatePicker;
+
+    /**
+     * Creates new instance of this dialog fragment
+     */
+    public static EditSubkeyExpiryDialogFragment newInstance(Messenger messenger,
+                                                             Long creationDate, Long expiryDate) {
+        EditSubkeyExpiryDialogFragment frag = new EditSubkeyExpiryDialogFragment();
+        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) {
+        final Activity activity = getActivity();
+        mMessenger = getArguments().getParcelable(ARG_MESSENGER);
+        Date creationDate = new Date(getArguments().getLong(ARG_CREATION_DATE) * 1000);
+        Date expiryDate = new Date(getArguments().getLong(ARG_EXPIRY_DATE) * 1000);
+
+        Calendar creationCal = Calendar.getInstance(TimeZone.getTimeZone("UTC"));
+        creationCal.setTime(creationDate);
+        mExpiryCal = Calendar.getInstance(TimeZone.getTimeZone("UTC"));
+        mExpiryCal.setTime(expiryDate);
+
+        Log.d(Constants.TAG, "onCreateDialog");
+
+        // Explicitly not using DatePickerDialog here!
+        // DatePickerDialog is difficult to customize and has many problems (see old git versions)
+        CustomAlertDialogBuilder alert = new CustomAlertDialogBuilder(activity);
+
+        alert.setTitle(R.string.expiry_date_dialog_title);
+
+        LayoutInflater inflater = activity.getLayoutInflater();
+        View view = inflater.inflate(R.layout.edit_subkey_expiry_dialog, null);
+        alert.setView(view);
+
+        mDatePicker = (DatePicker) view.findViewById(R.id.edit_subkey_expiry_date_picker);
+
+        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 (creationCal.before(mExpiryCal)) {
+                mDatePicker.setMinDate(creationCal.getTime().getTime()
+                        + DateUtils.DAY_IN_MILLIS);
+            } else {
+                // when creation date isn't available
+                mDatePicker.setMinDate(mExpiryCal.getTime().getTime()
+                        + DateUtils.DAY_IN_MILLIS);
+            }
+        }
+
+        alert.setPositiveButton(android.R.string.ok, new DialogInterface.OnClickListener() {
+            @Override
+            public void onClick(DialogInterface dialog, int id) {
+                dismiss();
+
+                Calendar selectedCal = Calendar.getInstance(TimeZone.getTimeZone("UTC"));
+                //noinspection ResourceType
+                selectedCal.set(mDatePicker.getYear(), mDatePicker.getMonth(), mDatePicker.getDayOfMonth());
+
+                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().getTime() / 1000);
+                        sendMessageToHandler(MESSAGE_NEW_EXPIRY_DATE, data);
+                    }
+                } else {
+                    Bundle data = new Bundle();
+                    data.putSerializable(MESSAGE_DATA_EXPIRY_DATE, selectedCal.getTime().getTime() / 1000);
+                    sendMessageToHandler(MESSAGE_NEW_EXPIRY_DATE, data);
+                }
+            }
+        });
+
+        alert.setNeutralButton(R.string.btn_no_date, new DialogInterface.OnClickListener() {
+            @Override
+            public void onClick(DialogInterface dialog, int id) {
+                dismiss();
+
+                Bundle data = new Bundle();
+                data.putSerializable(MESSAGE_DATA_EXPIRY_DATE, null);
+                sendMessageToHandler(MESSAGE_NEW_EXPIRY_DATE, data);
+            }
+        });
+
+        alert.setNegativeButton(android.R.string.cancel, new DialogInterface.OnClickListener() {
+            @Override
+            public void onClick(DialogInterface dialog, int id) {
+                dismiss();
+            }
+        });
+
+        return alert.show();
+    }
+
+    @Override
+    public void onCancel(DialogInterface dialog) {
+        super.onCancel(dialog);
+
+        dismiss();
+        sendMessageToHandler(MESSAGE_CANCEL, null);
+    }
+
+    /**
+     * 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);
+        }
+    }
+}