Merge branch 'master' into hkps-by-default

11 files changed, 475 insertions, 54 deletions

diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/keyimport/HkpKeyserver.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/keyimport/HkpKeyserver.java
index 56a5bc508..b048a2cea 100644
--- a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/keyimport/HkpKeyserver.java
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/keyimport/HkpKeyserver.java
@@ -293,6 +293,12 @@ public class HkpKeyserver extends Keyserver {
             while (uidMatcher.find()) {
                 String tmp = uidMatcher.group(1).trim();
                 if (tmp.contains("%")) {
+                    if(tmp.contains("%%")) {
+                        // This is a fix for issue #683
+                        // The server encodes a percent sign as %%, so it is swapped out with its
+                        // urlencoded counterpart to prevent errors
+                        tmp = tmp.replace("%%", "%25");
+                    }
                     try {
                         // converts Strings like "Universit%C3%A4t" to a proper encoding form "Universität".
                         tmp = (URLDecoder.decode(tmp, "UTF8"));
diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/keyimport/KeybaseKeyserver.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/keyimport/KeybaseKeyserver.java
index 29ab06264..0ca6f07fd 100644
--- a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/keyimport/KeybaseKeyserver.java
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/keyimport/KeybaseKeyserver.java
@@ -42,6 +42,9 @@ public class KeybaseKeyserver extends Keyserver {
             // cut off "0x" if a user is searching for a key id
             query = query.substring(2);
         }
+        if (query.isEmpty()) {
+            throw new QueryTooShortException();
+        }
         mQuery = query;
 
         try {
diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/service/SaveKeyringParcel.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/service/SaveKeyringParcel.java
index 47a6cab1d..020b808b9 100644
--- a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/service/SaveKeyringParcel.java
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/service/SaveKeyringParcel.java
@@ -41,6 +41,11 @@ public class SaveKeyringParcel implements Parcelable {
     public SaveKeyringParcel(long masterKeyId, byte[] fingerprint) {
         mMasterKeyId = masterKeyId;
         mFingerprint = fingerprint;
+        addUserIds = new ArrayList<String>();
+        addSubKeys = new ArrayList<SubkeyAdd>();
+        changeSubKeys = new ArrayList<SubkeyChange>();
+        revokeUserIds = new ArrayList<String>();
+        revokeSubKeys = new ArrayList<Long>();
     }
 
     // performance gain for using Parcelable here would probably be negligible,
diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/CertifyKeyActivity.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/CertifyKeyActivity.java
index 6c74818a5..7ac229b91 100644
--- a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/CertifyKeyActivity.java
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/CertifyKeyActivity.java
@@ -53,7 +53,7 @@ import org.sufficientlysecure.keychain.provider.KeychainContract.UserIds;
 import org.sufficientlysecure.keychain.service.KeychainIntentService;
 import org.sufficientlysecure.keychain.service.KeychainIntentServiceHandler;
 import org.sufficientlysecure.keychain.service.PassphraseCacheService;
-import org.sufficientlysecure.keychain.ui.adapter.ViewKeyUserIdsAdapter;
+import org.sufficientlysecure.keychain.ui.adapter.UserIdsAdapter;
 import org.sufficientlysecure.keychain.ui.dialog.PassphraseDialogFragment;
 import org.sufficientlysecure.keychain.util.Log;
 
@@ -75,7 +75,7 @@ public class CertifyKeyActivity extends ActionBarActivity implements
     private long mMasterKeyId = 0;
 
     private ListView mUserIds;
-    private ViewKeyUserIdsAdapter mUserIdsAdapter;
+    private UserIdsAdapter mUserIdsAdapter;
 
     private static final int LOADER_ID_KEYRING = 0;
     private static final int LOADER_ID_USER_IDS = 1;
@@ -143,13 +143,12 @@ public class CertifyKeyActivity extends ActionBarActivity implements
 
         mUserIds = (ListView) findViewById(R.id.view_key_user_ids);
 
-        mUserIdsAdapter = new ViewKeyUserIdsAdapter(this, null, 0, true);
+        mUserIdsAdapter = new UserIdsAdapter(this, null, 0, true);
         mUserIds.setAdapter(mUserIdsAdapter);
         mUserIds.setOnItemClickListener(mUserIdsAdapter);
 
         getSupportLoaderManager().initLoader(LOADER_ID_KEYRING, null, this);
         getSupportLoaderManager().initLoader(LOADER_ID_USER_IDS, null, this);
-
     }
 
     static final String USER_IDS_SELECTION = UserIds.IS_REVOKED + " = 0";
@@ -175,7 +174,7 @@ public class CertifyKeyActivity extends ActionBarActivity implements
             case LOADER_ID_USER_IDS: {
                 Uri uri = UserIds.buildUserIdsUri(mDataUri);
                 return new CursorLoader(this, uri,
-                        ViewKeyUserIdsAdapter.USER_IDS_PROJECTION, USER_IDS_SELECTION, null, null);
+                        UserIdsAdapter.USER_IDS_PROJECTION, USER_IDS_SELECTION, null, null);
             }
         }
         return null;
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 9231ce142..ac4390eac 100644
--- a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/EditKeyFragment.java
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/EditKeyFragment.java
@@ -20,6 +20,9 @@ package org.sufficientlysecure.keychain.ui;
 import android.database.Cursor;
 import android.net.Uri;
 import android.os.Bundle;
+import android.os.Handler;
+import android.os.Message;
+import android.os.Messenger;
 import android.support.v4.app.LoaderManager;
 import android.support.v4.content.CursorLoader;
 import android.support.v4.content.Loader;
@@ -28,15 +31,23 @@ import android.view.LayoutInflater;
 import android.view.View;
 import android.view.View.OnClickListener;
 import android.view.ViewGroup;
+import android.widget.AdapterView;
 import android.widget.ListView;
+import android.widget.Toast;
 
 import org.sufficientlysecure.keychain.Constants;
 import org.sufficientlysecure.keychain.R;
+import org.sufficientlysecure.keychain.compatibility.DialogFragmentWorkaround;
 import org.sufficientlysecure.keychain.helper.ActionBarHelper;
+import org.sufficientlysecure.keychain.pgp.WrappedSecretKeyRing;
 import org.sufficientlysecure.keychain.provider.KeychainContract;
-import org.sufficientlysecure.keychain.provider.KeychainContract.KeyRings;
-import org.sufficientlysecure.keychain.ui.adapter.ViewKeyKeysAdapter;
-import org.sufficientlysecure.keychain.ui.adapter.ViewKeyUserIdsAdapter;
+import org.sufficientlysecure.keychain.provider.ProviderHelper;
+import org.sufficientlysecure.keychain.service.SaveKeyringParcel;
+import org.sufficientlysecure.keychain.ui.adapter.SubkeysAdapter;
+import org.sufficientlysecure.keychain.ui.adapter.UserIdsAdapter;
+import org.sufficientlysecure.keychain.ui.dialog.AddUserIdDialogFragment;
+import org.sufficientlysecure.keychain.ui.dialog.EditUserIdDialogFragment;
+import org.sufficientlysecure.keychain.ui.dialog.SetPassphraseDialogFragment;
 import org.sufficientlysecure.keychain.util.Log;
 
 public class EditKeyFragment extends LoaderFragment implements
@@ -44,17 +55,24 @@ public class EditKeyFragment extends LoaderFragment implements
 
     public static final String ARG_DATA_URI = "uri";
 
-    private ListView mUserIds;
-    private ListView mKeys;
+    private ListView mUserIdsList;
+    private ListView mKeysList;
+    private ListView mUserIdsAddedList;
+    private ListView mKeysAddedList;
+    private View mChangePassphrase;
+    private View mAddUserId;
+    private View mAddKey;
 
     private static final int LOADER_ID_USER_IDS = 0;
     private static final int LOADER_ID_KEYS = 1;
 
-    private ViewKeyUserIdsAdapter mUserIdsAdapter;
-    private ViewKeyKeysAdapter mKeysAdapter;
+    private UserIdsAdapter mUserIdsAdapter;
+    private SubkeysAdapter mKeysAdapter;
 
     private Uri mDataUri;
 
+    private SaveKeyringParcel mSaveKeyringParcel;
+
     /**
      * Creates new instance of this fragment
      */
@@ -74,9 +92,13 @@ public class EditKeyFragment extends LoaderFragment implements
         View root = super.onCreateView(inflater, superContainer, savedInstanceState);
         View view = inflater.inflate(R.layout.edit_key_fragment, getContainer());
 
-        mUserIds = (ListView) view.findViewById(R.id.edit_key_user_ids);
-        mKeys = (ListView) view.findViewById(R.id.edit_key_keys);
-//        mActionEdit = view.findViewById(R.id.view_key_action_edit);
+        mUserIdsList = (ListView) view.findViewById(R.id.edit_key_user_ids);
+        mKeysList = (ListView) view.findViewById(R.id.edit_key_keys);
+        mUserIdsAddedList = (ListView) view.findViewById(R.id.edit_key_user_ids_added);
+        mKeysAddedList = (ListView) view.findViewById(R.id.edit_key_keys_added);
+        mChangePassphrase = view.findViewById(R.id.edit_key_action_change_passphrase);
+        mAddUserId = view.findViewById(R.id.edit_key_action_add_user_id);
+        mAddKey = view.findViewById(R.id.edit_key_action_add_key);
 
         return root;
     }
@@ -85,7 +107,6 @@ public class EditKeyFragment extends LoaderFragment implements
     public void onActivityCreated(Bundle savedInstanceState) {
         super.onActivityCreated(savedInstanceState);
 
-
         // Inflate a "Done"/"Cancel" custom action bar view
         ActionBarHelper.setTwoButtonView(((ActionBarActivity) getActivity()).getSupportActionBar(),
                 R.string.btn_save, R.drawable.ic_action_save,
@@ -115,23 +136,52 @@ public class EditKeyFragment extends LoaderFragment implements
         loadData(dataUri);
     }
 
+
     private void loadData(Uri dataUri) {
         mDataUri = dataUri;
 
         Log.i(Constants.TAG, "mDataUri: " + mDataUri.toString());
 
-//        mActionEncrypt.setOnClickListener(new View.OnClickListener() {
-//            @Override
-//            public void onClick(View v) {
-//                encrypt(mDataUri);
-//            }
-//        });
+        try {
+            Uri secretUri = KeychainContract.KeyRings.buildUnifiedKeyRingUri(mDataUri);
+            WrappedSecretKeyRing keyRing =
+                    new ProviderHelper(getActivity()).getWrappedSecretKeyRing(secretUri);
+
+            mSaveKeyringParcel = new SaveKeyringParcel(keyRing.getMasterKeyId(),
+                    keyRing.getUncachedKeyRing().getFingerprint());
+        } catch (ProviderHelper.NotFoundException e) {
+            Log.e(Constants.TAG, "Keyring not found: " + e.getMessage(), e);
+            Toast.makeText(getActivity(), R.string.error_no_secret_key_found, Toast.LENGTH_SHORT).show();
+            getActivity().finish();
+        }
+
+        mChangePassphrase.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                changePassphrase();
+            }
+        });
 
+        mAddUserId.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                addUserId();
+            }
+        });
 
-        mUserIdsAdapter = new ViewKeyUserIdsAdapter(getActivity(), null, 0);
-        mUserIds.setAdapter(mUserIdsAdapter);
-        mKeysAdapter = new ViewKeyKeysAdapter(getActivity(), null, 0);
-        mKeys.setAdapter(mKeysAdapter);
+        mUserIdsAdapter = new UserIdsAdapter(getActivity(), null, 0, mSaveKeyringParcel);
+        mUserIdsList.setAdapter(mUserIdsAdapter);
+
+        mUserIdsList.setOnItemClickListener(new AdapterView.OnItemClickListener() {
+            @Override
+            public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
+                String userId = mUserIdsAdapter.getUserId(position);
+                editUserId(userId);
+            }
+        });
+
+        mKeysAdapter = new SubkeysAdapter(getActivity(), null, 0);
+        mKeysList.setAdapter(mKeysAdapter);
 
         // Prepare the loaders. Either re-connect with an existing ones,
         // or start new ones.
@@ -146,13 +196,13 @@ public class EditKeyFragment extends LoaderFragment implements
             case LOADER_ID_USER_IDS: {
                 Uri baseUri = KeychainContract.UserIds.buildUserIdsUri(mDataUri);
                 return new CursorLoader(getActivity(), baseUri,
-                        ViewKeyUserIdsAdapter.USER_IDS_PROJECTION, null, null, null);
+                        UserIdsAdapter.USER_IDS_PROJECTION, null, null, null);
             }
 
             case LOADER_ID_KEYS: {
                 Uri baseUri = KeychainContract.Keys.buildKeysUri(mDataUri);
                 return new CursorLoader(getActivity(), baseUri,
-                        ViewKeyKeysAdapter.KEYS_PROJECTION, null, null, null);
+                        SubkeysAdapter.KEYS_PROJECTION, null, null, null);
             }
 
             default:
@@ -191,6 +241,105 @@ public class EditKeyFragment extends LoaderFragment implements
         }
     }
 
+    private void changePassphrase() {
+        // Message is received after passphrase is cached
+        Handler returnHandler = new Handler() {
+            @Override
+            public void handleMessage(Message message) {
+                if (message.what == SetPassphraseDialogFragment.MESSAGE_OKAY) {
+                    Bundle data = message.getData();
+
+                    // set new returned passphrase!
+                    String newPassphrase = data
+                            .getString(SetPassphraseDialogFragment.MESSAGE_NEW_PASSPHRASE);
+
+//                    updatePassphraseButtonText();
+//                    somethingChanged();
+                    mSaveKeyringParcel.newPassphrase = newPassphrase;
+                }
+            }
+        };
+
+        // Create a new Messenger for the communication back
+        Messenger messenger = new Messenger(returnHandler);
+
+        // set title based on isPassphraseSet()
+//        int title;
+//        if (isPassphraseSet()) {
+//            title = R.string.title_change_passphrase;
+//        } else {
+//            title = R.string.title_set_passphrase;
+//        }
+
+        SetPassphraseDialogFragment setPassphraseDialog = SetPassphraseDialogFragment.newInstance(
+                messenger, R.string.title_change_passphrase);
+
+        setPassphraseDialog.show(getActivity().getSupportFragmentManager(), "setPassphraseDialog");
+    }
+
+    private void editUserId(final String userId) {
+        Handler returnHandler = new Handler() {
+            @Override
+            public void handleMessage(Message message) {
+                switch (message.what) {
+                    case EditUserIdDialogFragment.MESSAGE_CHANGE_PRIMARY_USER_ID:
+                        // toggle
+                        if (mSaveKeyringParcel.changePrimaryUserId != null
+                                && mSaveKeyringParcel.changePrimaryUserId.equals(userId)) {
+                            mSaveKeyringParcel.changePrimaryUserId = null;
+                        } else {
+                            mSaveKeyringParcel.changePrimaryUserId = userId;
+                        }
+                        break;
+                    case EditUserIdDialogFragment.MESSAGE_REVOKE:
+                        // toggle
+                        if (mSaveKeyringParcel.revokeUserIds.contains(userId)) {
+                            mSaveKeyringParcel.revokeUserIds.remove(userId);
+                        } else {
+                            mSaveKeyringParcel.revokeUserIds.add(userId);
+                        }
+                        break;
+                }
+                getLoaderManager().getLoader(LOADER_ID_USER_IDS).forceLoad();
+            }
+        };
+
+        // Create a new Messenger for the communication back
+        final Messenger messenger = new Messenger(returnHandler);
+
+        DialogFragmentWorkaround.INTERFACE.runnableRunDelayed(new Runnable() {
+            public void run() {
+                EditUserIdDialogFragment dialogFragment =
+                        EditUserIdDialogFragment.newInstance(messenger);
+
+                dialogFragment.show(getActivity().getSupportFragmentManager(), "editUserIdDialog");
+            }
+        });
+    }
+
+    private void addUserId() {
+        Handler returnHandler = new Handler() {
+            @Override
+            public void handleMessage(Message message) {
+                if (message.what == AddUserIdDialogFragment.MESSAGE_OK) {
+
+                }
+            }
+        };
+
+        // Create a new Messenger for the communication back
+        final Messenger messenger = new Messenger(returnHandler);
+
+        DialogFragmentWorkaround.INTERFACE.runnableRunDelayed(new Runnable() {
+            public void run() {
+                AddUserIdDialogFragment dialogFragment =
+                        AddUserIdDialogFragment.newInstance(messenger);
+
+                dialogFragment.show(getActivity().getSupportFragmentManager(), "addUserIdDialog");
+            }
+        });
+    }
+
     private void save() {
         getActivity().finish();
         // TODO
diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/ViewKeyKeysFragment.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/ViewKeyKeysFragment.java
index e01a0140c..4be572b4e 100644
--- a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/ViewKeyKeysFragment.java
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/ViewKeyKeysFragment.java
@@ -31,7 +31,7 @@ import android.widget.ListView;
 import org.sufficientlysecure.keychain.Constants;
 import org.sufficientlysecure.keychain.R;
 import org.sufficientlysecure.keychain.provider.KeychainContract.Keys;
-import org.sufficientlysecure.keychain.ui.adapter.ViewKeyKeysAdapter;
+import org.sufficientlysecure.keychain.ui.adapter.SubkeysAdapter;
 import org.sufficientlysecure.keychain.util.Log;
 
 
@@ -42,7 +42,7 @@ public class ViewKeyKeysFragment extends LoaderFragment implements
 
     private ListView mKeys;
 
-    private ViewKeyKeysAdapter mKeysAdapter;
+    private SubkeysAdapter mKeysAdapter;
 
     private Uri mDataUri;
 
@@ -75,7 +75,7 @@ public class ViewKeyKeysFragment extends LoaderFragment implements
 
         Log.i(Constants.TAG, "mDataUri: " + mDataUri.toString());
 
-        mKeysAdapter = new ViewKeyKeysAdapter(getActivity(), null, 0);
+        mKeysAdapter = new SubkeysAdapter(getActivity(), null, 0);
         mKeys.setAdapter(mKeysAdapter);
 
         // Prepare the loaders. Either re-connect with an existing ones,
@@ -87,7 +87,7 @@ public class ViewKeyKeysFragment extends LoaderFragment implements
         setContentShown(false);
         Uri baseUri = Keys.buildKeysUri(mDataUri);
         return new CursorLoader(getActivity(), baseUri,
-                ViewKeyKeysAdapter.KEYS_PROJECTION, null, null, null);
+                SubkeysAdapter.KEYS_PROJECTION, null, null, null);
     }
 
     public void onLoadFinished(Loader<Cursor> loader, Cursor data) {
diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/ViewKeyMainFragment.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/ViewKeyMainFragment.java
index bd29f3820..dd48f193c 100644
--- a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/ViewKeyMainFragment.java
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/ViewKeyMainFragment.java
@@ -38,7 +38,7 @@ import org.sufficientlysecure.keychain.provider.KeychainContract;
 import org.sufficientlysecure.keychain.provider.KeychainContract.KeyRings;
 import org.sufficientlysecure.keychain.provider.KeychainContract.UserIds;
 import org.sufficientlysecure.keychain.provider.ProviderHelper;
-import org.sufficientlysecure.keychain.ui.adapter.ViewKeyUserIdsAdapter;
+import org.sufficientlysecure.keychain.ui.adapter.UserIdsAdapter;
 import org.sufficientlysecure.keychain.util.Log;
 
 import java.util.Date;
@@ -63,7 +63,7 @@ public class ViewKeyMainFragment extends LoaderFragment implements
     // conservative attitude
     private boolean mHasEncrypt = true;
 
-    private ViewKeyUserIdsAdapter mUserIdsAdapter;
+    private UserIdsAdapter mUserIdsAdapter;
 
     private Uri mDataUri;
 
@@ -124,7 +124,7 @@ public class ViewKeyMainFragment extends LoaderFragment implements
             }
         });
 
-        mUserIdsAdapter = new ViewKeyUserIdsAdapter(getActivity(), null, 0);
+        mUserIdsAdapter = new UserIdsAdapter(getActivity(), null, 0);
         mUserIds.setAdapter(mUserIdsAdapter);
 
         // Prepare the loaders. Either re-connect with an existing ones,
@@ -154,7 +154,7 @@ public class ViewKeyMainFragment extends LoaderFragment implements
             case LOADER_ID_USER_IDS: {
                 Uri baseUri = UserIds.buildUserIdsUri(mDataUri);
                 return new CursorLoader(getActivity(), baseUri,
-                        ViewKeyUserIdsAdapter.USER_IDS_PROJECTION, null, null, null);
+                        UserIdsAdapter.USER_IDS_PROJECTION, null, null, null);
             }
 
             default:
diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/adapter/ViewKeyKeysAdapter.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/adapter/SubkeysAdapter.java
index dae287bbc..6d8455589 100644
--- a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/adapter/ViewKeyKeysAdapter.java
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/adapter/SubkeysAdapter.java
@@ -35,7 +35,7 @@ import org.sufficientlysecure.keychain.provider.KeychainContract.Keys;
 
 import java.util.Date;
 
-public class ViewKeyKeysAdapter extends CursorAdapter {
+public class SubkeysAdapter extends CursorAdapter {
     private LayoutInflater mInflater;
 
     private int mIndexKeyId;
@@ -69,7 +69,7 @@ public class ViewKeyKeysAdapter extends CursorAdapter {
             Keys.FINGERPRINT
     };
 
-    public ViewKeyKeysAdapter(Context context, Cursor c, int flags) {
+    public SubkeysAdapter(Context context, Cursor c, int flags) {
         super(context, c, flags);
 
         mInflater = LayoutInflater.from(context);
diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/adapter/ViewKeyUserIdsAdapter.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/adapter/UserIdsAdapter.java
index 763752edc..7a7acfe89 100644
--- a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/adapter/ViewKeyUserIdsAdapter.java
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/adapter/UserIdsAdapter.java
@@ -34,10 +34,11 @@ import org.sufficientlysecure.keychain.helper.OtherHelper;
 import org.sufficientlysecure.keychain.pgp.KeyRing;
 import org.sufficientlysecure.keychain.provider.KeychainContract.Certs;
 import org.sufficientlysecure.keychain.provider.KeychainContract.UserIds;
+import org.sufficientlysecure.keychain.service.SaveKeyringParcel;
 
 import java.util.ArrayList;
 
-public class ViewKeyUserIdsAdapter extends CursorAdapter implements AdapterView.OnItemClickListener {
+public class UserIdsAdapter extends CursorAdapter implements AdapterView.OnItemClickListener {
     private LayoutInflater mInflater;
 
     private int mIndexUserId, mIndexRank;
@@ -45,6 +46,8 @@ public class ViewKeyUserIdsAdapter extends CursorAdapter implements AdapterView.
 
     private final ArrayList<Boolean> mCheckStates;
 
+    private SaveKeyringParcel mSaveKeyringParcel;
+
     public static final String[] USER_IDS_PROJECTION = new String[]{
             UserIds._ID,
             UserIds.USER_ID,
@@ -54,18 +57,27 @@ public class ViewKeyUserIdsAdapter extends CursorAdapter implements AdapterView.
             UserIds.IS_REVOKED
     };
 
-    public ViewKeyUserIdsAdapter(Context context, Cursor c, int flags, boolean showCheckBoxes) {
+    public UserIdsAdapter(Context context, Cursor c, int flags, boolean showCheckBoxes,
+                          SaveKeyringParcel saveKeyringParcel) {
         super(context, c, flags);
-
         mInflater = LayoutInflater.from(context);
 
         mCheckStates = showCheckBoxes ? new ArrayList<Boolean>() : null;
+        mSaveKeyringParcel = saveKeyringParcel;
 
         initIndex(c);
     }
 
-    public ViewKeyUserIdsAdapter(Context context, Cursor c, int flags) {
-        this(context, c, flags, false);
+    public UserIdsAdapter(Context context, Cursor c, int flags, boolean showCheckBoxes) {
+        this(context, c, flags, showCheckBoxes, null);
+    }
+
+    public UserIdsAdapter(Context context, Cursor c, int flags, SaveKeyringParcel saveKeyringParcel) {
+        this(context, c, flags, false, saveKeyringParcel);
+    }
+
+    public UserIdsAdapter(Context context, Cursor c, int flags) {
+        this(context, c, flags, false, null);
     }
 
     @Override
@@ -110,21 +122,23 @@ public class ViewKeyUserIdsAdapter extends CursorAdapter implements AdapterView.
         TextView vAddress = (TextView) view.findViewById(R.id.address);
         TextView vComment = (TextView) view.findViewById(R.id.comment);
         ImageView vVerified = (ImageView) view.findViewById(R.id.certified);
+        ImageView vHasChanges = (ImageView) view.findViewById(R.id.has_changes);
 
-        String[] userId = KeyRing.splitUserId(cursor.getString(mIndexUserId));
-        if (userId[0] != null) {
-            vName.setText(userId[0]);
+        String userId = cursor.getString(mIndexUserId);
+        String[] splitUserId = KeyRing.splitUserId(userId);
+        if (splitUserId[0] != null) {
+            vName.setText(splitUserId[0]);
         } else {
             vName.setText(R.string.user_id_no_name);
         }
-        if (userId[1] != null) {
-            vAddress.setText(userId[1]);
+        if (splitUserId[1] != null) {
+            vAddress.setText(splitUserId[1]);
             vAddress.setVisibility(View.VISIBLE);
         } else {
             vAddress.setVisibility(View.GONE);
         }
-        if (userId[2] != null) {
-            vComment.setText(userId[2]);
+        if (splitUserId[2] != null) {
+            vComment.setText(splitUserId[2]);
             vComment.setVisibility(View.VISIBLE);
         } else {
             vComment.setVisibility(View.GONE);
@@ -132,9 +146,33 @@ public class ViewKeyUserIdsAdapter extends CursorAdapter implements AdapterView.
 
         // show small star icon for primary user ids
         boolean isPrimary = cursor.getInt(mIsPrimary) != 0;
+        boolean isRevoked = cursor.getInt(mIsRevoked) > 0;
+
+        // for edit key
+        if (mSaveKeyringParcel != null) {
+            boolean changeUserId = (mSaveKeyringParcel.changePrimaryUserId != null
+                    && mSaveKeyringParcel.changePrimaryUserId.equals(userId));
+            boolean revoke = (mSaveKeyringParcel.revokeUserIds.contains(userId));
 
-        if (cursor.getInt(mIsRevoked) > 0) {
+            if (changeUserId) {
+                isPrimary = !isPrimary;
+            }
+            if (revoke) {
+                if (!isRevoked) {
+                    isRevoked = true;
+                }
+            }
 
+            if (changeUserId || revoke) {
+                vHasChanges.setVisibility(View.VISIBLE);
+            } else {
+                vHasChanges.setVisibility(View.GONE);
+            }
+        } else {
+            vHasChanges.setVisibility(View.GONE);
+        }
+
+        if (isRevoked) {
             // set revocation icon (can this even be primary?)
             vVerified.setImageResource(R.drawable.key_certify_revoke);
 
@@ -181,7 +219,6 @@ public class ViewKeyUserIdsAdapter extends CursorAdapter implements AdapterView.
             }
         });
         vCheckBox.setClickable(false);
-
     }
 
     public void onItemClick(AdapterView<?> adapter, View view, int position, long id) {
@@ -202,6 +239,11 @@ public class ViewKeyUserIdsAdapter extends CursorAdapter implements AdapterView.
         return result;
     }
 
+    public String getUserId(int position) {
+        mCursor.moveToPosition(position);
+        return mCursor.getString(mIndexUserId);
+    }
+
     @Override
     public View newView(Context context, Cursor cursor, ViewGroup parent) {
         View view = mInflater.inflate(R.layout.view_key_userids_item, null);
@@ -213,7 +255,7 @@ public class ViewKeyUserIdsAdapter extends CursorAdapter implements AdapterView.
     // Disable selection of items for lists without checkboxes, http://stackoverflow.com/a/4075045
     @Override
     public boolean areAllItemsEnabled() {
-        if (mCheckStates == null) {
+        if (mCheckStates == null && mSaveKeyringParcel == null) {
             return false;
         } else {
             return super.areAllItemsEnabled();
@@ -223,7 +265,7 @@ public class ViewKeyUserIdsAdapter extends CursorAdapter implements AdapterView.
     // Disable selection of items for lists without checkboxes, http://stackoverflow.com/a/4075045
     @Override
     public boolean isEnabled(int position) {
-        if (mCheckStates == null) {
+        if (mCheckStates == null && mSaveKeyringParcel == null) {
             return false;
         } else {
             return super.isEnabled(position);
diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/dialog/AddUserIdDialogFragment.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/dialog/AddUserIdDialogFragment.java
new file mode 100644
index 000000000..db7c38e71
--- /dev/null
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/dialog/AddUserIdDialogFragment.java
@@ -0,0 +1,108 @@
+/*
+ * 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.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 org.sufficientlysecure.keychain.Constants;
+import org.sufficientlysecure.keychain.util.Log;
+
+public class AddUserIdDialogFragment extends DialogFragment {
+    private static final String ARG_MESSENGER = "messenger";
+
+    public static final int MESSAGE_OK = 1;
+
+    private Messenger mMessenger;
+
+    /**
+     * Creates new instance of this dialog fragment
+     */
+    public static AddUserIdDialogFragment newInstance(Messenger messenger) {
+        AddUserIdDialogFragment frag = new AddUserIdDialogFragment();
+        Bundle args = new Bundle();
+        args.putParcelable(ARG_MESSENGER, messenger);
+
+        frag.setArguments(args);
+
+        return frag;
+    }
+
+    /**
+     * Creates dialog
+     */
+    @Override
+    public Dialog onCreateDialog(Bundle savedInstanceState) {
+        mMessenger = getArguments().getParcelable(ARG_MESSENGER);
+
+        CustomAlertDialogBuilder builder = new CustomAlertDialogBuilder(getActivity());
+//        CharSequence[] array = {"change to primary user id", "revoke"};
+//
+//        builder.setTitle("select action!");
+//        builder.setItems(array, new DialogInterface.OnClickListener() {
+//
+//            @Override
+//            public void onClick(DialogInterface dialog, int which) {
+//                switch (which) {
+//                    case 0:
+//                        sendMessageToHandler(MESSAGE_CHANGE_PRIMARY_USER_ID, null);
+//                        break;
+//                    case 1:
+//                        sendMessageToHandler(MESSAGE_REVOKE, null);
+//                        break;
+//                    default:
+//                        break;
+//                }
+//            }
+//        });
+//        builder.setNegativeButton("cancel", new DialogInterface.OnClickListener() {
+//            @Override
+//            public void onClick(DialogInterface dialog, int id) {
+//                dismiss();
+//            }
+//        });
+
+        return builder.show();
+    }
+
+    /**
+     * 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);
+        }
+    }
+}
diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/dialog/EditUserIdDialogFragment.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/dialog/EditUserIdDialogFragment.java
new file mode 100644
index 000000000..f0ca73f0d
--- /dev/null
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/dialog/EditUserIdDialogFragment.java
@@ -0,0 +1,109 @@
+/*
+ * 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.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 org.sufficientlysecure.keychain.Constants;
+import org.sufficientlysecure.keychain.util.Log;
+
+public class EditUserIdDialogFragment extends DialogFragment {
+    private static final String ARG_MESSENGER = "messenger";
+
+    public static final int MESSAGE_CHANGE_PRIMARY_USER_ID = 1;
+    public static final int MESSAGE_REVOKE = 2;
+
+    private Messenger mMessenger;
+
+    /**
+     * Creates new instance of this dialog fragment
+     */
+    public static EditUserIdDialogFragment newInstance(Messenger messenger) {
+        EditUserIdDialogFragment frag = new EditUserIdDialogFragment();
+        Bundle args = new Bundle();
+        args.putParcelable(ARG_MESSENGER, messenger);
+
+        frag.setArguments(args);
+
+        return frag;
+    }
+
+    /**
+     * Creates dialog
+     */
+    @Override
+    public Dialog onCreateDialog(Bundle savedInstanceState) {
+        mMessenger = getArguments().getParcelable(ARG_MESSENGER);
+
+        CustomAlertDialogBuilder builder = new CustomAlertDialogBuilder(getActivity());
+        CharSequence[] array = {"change to primary user id", "revoke"};
+
+        builder.setTitle("select action!");
+        builder.setItems(array, new DialogInterface.OnClickListener() {
+
+            @Override
+            public void onClick(DialogInterface dialog, int which) {
+                switch (which) {
+                    case 0:
+                        sendMessageToHandler(MESSAGE_CHANGE_PRIMARY_USER_ID, null);
+                        break;
+                    case 1:
+                        sendMessageToHandler(MESSAGE_REVOKE, null);
+                        break;
+                    default:
+                        break;
+                }
+            }
+        });
+        builder.setNegativeButton("cancel", new DialogInterface.OnClickListener() {
+            @Override
+            public void onClick(DialogInterface dialog, int id) {
+                dismiss();
+            }
+        });
+
+        return builder.show();
+    }
+
+    /**
+     * 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);
+        }
+    }
+}