more work on edit key

2 files changed, 222 insertions, 7 deletions

diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/EditKeyFragment.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/EditKeyFragment.java
index 78ccafcbc..94ca883d6 100644
--- a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/EditKeyFragment.java
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/EditKeyFragment.java
@@ -54,6 +54,7 @@ import org.sufficientlysecure.keychain.ui.adapter.SubkeysAdapter;
 import org.sufficientlysecure.keychain.ui.adapter.SubkeysAddedAdapter;
 import org.sufficientlysecure.keychain.ui.adapter.UserIdsAdapter;
 import org.sufficientlysecure.keychain.ui.adapter.UserIdsAddedAdapter;
+import org.sufficientlysecure.keychain.ui.dialog.ChangeExpiryDialogFragment;
 import org.sufficientlysecure.keychain.ui.dialog.EditSubkeyDialogFragment;
 import org.sufficientlysecure.keychain.ui.dialog.EditUserIdDialogFragment;
 import org.sufficientlysecure.keychain.ui.dialog.PassphraseDialogFragment;
@@ -61,6 +62,7 @@ import org.sufficientlysecure.keychain.ui.dialog.SetPassphraseDialogFragment;
 import org.sufficientlysecure.keychain.util.Log;
 
 import java.util.ArrayList;
+import java.util.Date;
 
 public class EditKeyFragment extends LoaderFragment implements
         LoaderManager.LoaderCallbacks<Cursor> {
@@ -357,13 +359,7 @@ public class EditKeyFragment extends LoaderFragment implements
             public void handleMessage(Message message) {
                 switch (message.what) {
                     case EditSubkeyDialogFragment.MESSAGE_CHANGE_EXPIRY:
-                        // toggle
-//                        if (mSaveKeyringParcel.changePrimaryUserId != null
-//                                && mSaveKeyringParcel.changePrimaryUserId.equals(userId)) {
-//                            mSaveKeyringParcel.changePrimaryUserId = null;
-//                        } else {
-//                            mSaveKeyringParcel.changePrimaryUserId = userId;
-//                        }
+                        editSubkeyExpiry(keyId);
                         break;
                     case EditSubkeyDialogFragment.MESSAGE_REVOKE:
                         // toggle
@@ -391,6 +387,38 @@ public class EditKeyFragment extends LoaderFragment implements
         });
     }
 
+    private void editSubkeyExpiry(final long keyId) {
+        Handler returnHandler = new Handler() {
+            @Override
+            public void handleMessage(Message message) {
+                switch (message.what) {
+                    case ChangeExpiryDialogFragment.MESSAGE_NEW_EXPIRY_DATE:
+                        // toggle
+//                        if (mSaveKeyringParcel.changePrimaryUserId != null
+//                                && mSaveKeyringParcel.changePrimaryUserId.equals(userId)) {
+//                            mSaveKeyringParcel.changePrimaryUserId = null;
+//                        } else {
+//                            mSaveKeyringParcel.changePrimaryUserId = userId;
+//                        }
+                        break;
+                }
+                getLoaderManager().getLoader(LOADER_ID_SUBKEYS).forceLoad();
+            }
+        };
+
+        // Create a new Messenger for the communication back
+        final Messenger messenger = new Messenger(returnHandler);
+
+        DialogFragmentWorkaround.INTERFACE.runnableRunDelayed(new Runnable() {
+            public void run() {
+                ChangeExpiryDialogFragment dialogFragment =
+                        ChangeExpiryDialogFragment.newInstance(messenger, new Date(), new Date());
+
+                dialogFragment.show(getActivity().getSupportFragmentManager(), "editSubkeyExpiryDialog");
+            }
+        });
+    }
+
     private void addUserId() {
         mUserIdsAddedAdapter.add(new UserIdsAddedAdapter.UserIdModel());
     }
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);
+        }
+    }
+}