new edit key: diff for existing user ids

8 files changed, 405 insertions, 36 deletions

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 db00d5f69..7ac229b91 100644
--- a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/CertifyKeyActivity.java
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/CertifyKeyActivity.java
@@ -149,7 +149,6 @@ public class CertifyKeyActivity extends ActionBarActivity implements
 
         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";
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 b3516f5d6..dac19a0c3 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;
@@ -28,14 +31,22 @@ 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.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.util.Log;
 
 public class EditKeyFragment extends LoaderFragment implements
@@ -43,8 +54,13 @@ 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;
@@ -54,6 +70,8 @@ public class EditKeyFragment extends LoaderFragment implements
 
     private Uri mDataUri;
 
+    private SaveKeyringParcel mSaveKeyringParcel;
+
     /**
      * Creates new instance of this fragment
      */
@@ -73,9 +91,13 @@ 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;
     }
@@ -84,7 +106,6 @@ 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,
@@ -114,23 +135,108 @@ public class EditKeyFragment extends LoaderFragment implements
         loadData(dataUri);
     }
 
+    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().restartLoader(LOADER_ID_USER_IDS, null, EditKeyFragment.this);
+            }
+        };
+
+        // 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) {
+
+                }
+//                getLoaderManager().restartLoader(LOADER_ID_USER_IDS, null, EditKeyFragment.this);
+            }
+        };
+
+        // 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 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();
+        }
+
+        mAddUserId.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                addUserId();
+            }
+        });
+
+        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);
+            }
+        });
 
-        mUserIdsAdapter = new UserIdsAdapter(getActivity(), null, 0);
-        mUserIds.setAdapter(mUserIdsAdapter);
         mKeysAdapter = new SubkeysAdapter(getActivity(), null, 0);
-        mKeys.setAdapter(mKeysAdapter);
+        mKeysList.setAdapter(mKeysAdapter);
 
         // Prepare the loaders. Either re-connect with an existing ones,
         // or start new ones.
diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/adapter/UserIdsAdapter.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/adapter/UserIdsAdapter.java
index 77da1d0e3..7a7acfe89 100644
--- a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/adapter/UserIdsAdapter.java
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/adapter/UserIdsAdapter.java
@@ -122,21 +122,23 @@ public class UserIdsAdapter extends CursorAdapter implements AdapterView.OnItemC
         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);
@@ -144,9 +146,33 @@ public class UserIdsAdapter extends CursorAdapter implements AdapterView.OnItemC
 
         // show small star icon for primary user ids
         boolean isPrimary = cursor.getInt(mIsPrimary) != 0;
+        boolean isRevoked = cursor.getInt(mIsRevoked) > 0;
 
-        if (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 (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);
 
@@ -213,6 +239,11 @@ public class UserIdsAdapter extends CursorAdapter implements AdapterView.OnItemC
         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);
@@ -224,7 +255,7 @@ public class UserIdsAdapter extends CursorAdapter implements AdapterView.OnItemC
     // 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();
@@ -234,7 +265,7 @@ public class UserIdsAdapter extends CursorAdapter implements AdapterView.OnItemC
     // 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);
+        }
+    }
+}
diff --git a/OpenKeychain/src/main/res/layout/edit_key_fragment.xml b/OpenKeychain/src/main/res/layout/edit_key_fragment.xml
index 9d63ea38a..f652269e5 100644
--- a/OpenKeychain/src/main/res/layout/edit_key_fragment.xml
+++ b/OpenKeychain/src/main/res/layout/edit_key_fragment.xml
@@ -13,7 +13,6 @@
             style="@style/SectionHeader"
             android:layout_width="wrap_content"
             android:layout_height="0dp"
-            android:layout_marginBottom="4dp"
             android:layout_marginTop="8dp"
             android:text="Passphrase"
             android:layout_weight="1" />
@@ -37,7 +36,6 @@
             style="@style/SectionHeader"
             android:layout_width="wrap_content"
             android:layout_height="0dp"
-            android:layout_marginBottom="4dp"
             android:layout_marginTop="8dp"
             android:text="@string/section_user_ids"
             android:layout_weight="1" />
@@ -45,9 +43,12 @@
         <org.sufficientlysecure.keychain.ui.widget.FixedListView
             android:id="@+id/edit_key_user_ids"
             android:layout_width="match_parent"
-            android:layout_height="0dp"
-            android:layout_marginBottom="4dp"
-            android:layout_weight="1" />
+            android:layout_height="wrap_content" />
+
+        <org.sufficientlysecure.keychain.ui.widget.FixedListView
+            android:id="@+id/edit_key_user_ids_added"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content" />
 
         <View
             android:layout_width="match_parent"
@@ -55,7 +56,7 @@
             android:background="?android:attr/listDivider" />
 
         <TextView
-            android:id="@+id/edit_key_add_user_id"
+            android:id="@+id/edit_key_action_add_user_id"
             android:paddingLeft="8dp"
             android:paddingRight="8dp"
             android:textAppearance="?android:attr/textAppearanceMedium"
@@ -73,15 +74,18 @@
             style="@style/SectionHeader"
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
-            android:layout_marginBottom="4dp"
             android:layout_marginTop="8dp"
             android:text="@string/section_keys" />
 
         <org.sufficientlysecure.keychain.ui.widget.FixedListView
             android:id="@+id/edit_key_keys"
             android:layout_width="match_parent"
-            android:layout_height="wrap_content"
-            android:layout_marginBottom="8dp" />
+            android:layout_height="wrap_content" />
+
+        <org.sufficientlysecure.keychain.ui.widget.FixedListView
+            android:id="@+id/edit_key_keys_added"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content" />
 
         <View
             android:layout_width="match_parent"
diff --git a/OpenKeychain/src/main/res/layout/view_key_userids_item.xml b/OpenKeychain/src/main/res/layout/view_key_userids_item.xml
index 03e619aff..f812127a9 100644
--- a/OpenKeychain/src/main/res/layout/view_key_userids_item.xml
+++ b/OpenKeychain/src/main/res/layout/view_key_userids_item.xml
@@ -6,10 +6,17 @@
     android:orientation="horizontal"
     android:singleLine="true">
 
-    <CheckBox
+    <ImageView
+        android:id="@+id/has_changes"
         android:layout_width="wrap_content"
         android:layout_height="match_parent"
+        android:minWidth="10dp"
+        android:background="@color/emphasis" />
+
+    <CheckBox
         android:id="@+id/checkBox"
+        android:layout_width="wrap_content"
+        android:layout_height="match_parent"
         android:clickable="false"
         android:focusable="false" />