Better handling of user id revocation in UI code

OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/EditKeyFragment.java

@@ -318,6 +318,8 @@ public class EditKeyFragment extends LoaderFragment implements
 
     private void editUserId(final int position) {
         final String userId = mUserIdsAdapter.getUserId(position);
+        final boolean isRevoked = mUserIdsAdapter.getIsRevoked(position);
+        final boolean isRevokedPending = mUserIdsAdapter.getIsRevokedPending(position);
 
         Handler returnHandler = new Handler() {
             @Override
@@ -351,8 +353,7 @@ public class EditKeyFragment extends LoaderFragment implements
         DialogFragmentWorkaround.INTERFACE.runnableRunDelayed(new Runnable() {
             public void run() {
                 EditUserIdDialogFragment dialogFragment =
-                        EditUserIdDialogFragment.newInstance(messenger);
+                        EditUserIdDialogFragment.newInstance(messenger, isRevoked, isRevokedPending);
-
                 dialogFragment.show(getActivity().getSupportFragmentManager(), "editUserIdDialog");
             }
         });

OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/adapter/UserIdsAdapter.java

@@ -252,6 +252,26 @@ public class UserIdsAdapter extends CursorAdapter implements AdapterView.OnItemC
         return mCursor.getString(INDEX_USER_ID);
     }
 
+    public boolean getIsRevoked(int position) {
+        mCursor.moveToPosition(position);
+        return mCursor.getInt(INDEX_IS_REVOKED) > 0;
+    }
+
+    public boolean getIsRevokedPending(int position) {
+        mCursor.moveToPosition(position);
+        String userId = mCursor.getString(INDEX_USER_ID);
+
+        boolean isRevokedPending = false;
+        if (mSaveKeyringParcel != null) {
+            if (mSaveKeyringParcel.mRevokeUserIds.contains(userId)) {
+                isRevokedPending = true;
+            }
+
+        }
+
+        return isRevokedPending;
+    }
+
     @Override
     public View newView(Context context, Cursor cursor, ViewGroup parent) {
         View view = mInflater.inflate(R.layout.view_key_user_id_item, null);

OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/dialog/EditUserIdDialogFragment.java

@@ -29,9 +29,14 @@ import org.sufficientlysecure.keychain.Constants;
 import org.sufficientlysecure.keychain.R;
 import org.sufficientlysecure.keychain.util.Log;
 
+import java.util.Arrays;
+
 public class EditUserIdDialogFragment extends DialogFragment {
     private static final String ARG_MESSENGER = "messenger";
 
+    private static final String ARG_IS_REVOKED = "is_revoked";
+    private static final String ARG_IS_REVOKED_PENDING = "is_revoked_pending";
+
     public static final int MESSAGE_CHANGE_PRIMARY_USER_ID = 1;
     public static final int MESSAGE_REVOKE = 2;
 
@@ -40,10 +45,13 @@ public class EditUserIdDialogFragment extends DialogFragment {
     /**
      * Creates new instance of this dialog fragment
      */
-    public static EditUserIdDialogFragment newInstance(Messenger messenger) {
+    public static EditUserIdDialogFragment newInstance(Messenger messenger, boolean isRevoked,
+                                                       boolean isRevokedPending) {
         EditUserIdDialogFragment frag = new EditUserIdDialogFragment();
         Bundle args = new Bundle();
         args.putParcelable(ARG_MESSENGER, messenger);
+        args.putBoolean(ARG_IS_REVOKED, isRevoked);
+        args.putBoolean(ARG_IS_REVOKED_PENDING, isRevokedPending);
 
         frag.setArguments(args);
 
@@ -56,13 +64,33 @@ public class EditUserIdDialogFragment extends DialogFragment {
     @Override
     public Dialog onCreateDialog(Bundle savedInstanceState) {
         mMessenger = getArguments().getParcelable(ARG_MESSENGER);
+        boolean isRevoked = getArguments().getBoolean(ARG_IS_REVOKED);
+        boolean isRevokedPending = getArguments().getBoolean(ARG_IS_REVOKED_PENDING);
 
         CustomAlertDialogBuilder builder = new CustomAlertDialogBuilder(getActivity());
+        builder.setTitle(R.string.edit_key_edit_user_id_title);
+
+        if (isRevokedPending) {
+            CharSequence[] array = getResources().getStringArray(R.array.edit_key_edit_user_id_revert_revocation);
+
+            builder.setItems(array, new DialogInterface.OnClickListener() {
+                @Override
+                public void onClick(DialogInterface dialog, int which) {
+                    switch (which) {
+                        case 0:
+                            sendMessageToHandler(MESSAGE_REVOKE, null);
+                            break;
+                        default:
+                            break;
+                    }
+                }
+            });
+        } else if (isRevoked) {
+            builder.setMessage(R.string.edit_key_edit_user_id_revoked);
+        } else {
             CharSequence[] array = getResources().getStringArray(R.array.edit_key_edit_user_id);
 
-        builder.setTitle(R.string.edit_key_edit_user_id_title);
             builder.setItems(array, new DialogInterface.OnClickListener() {
-
                 @Override
                 public void onClick(DialogInterface dialog, int which) {
                     switch (which) {
@@ -77,6 +105,8 @@ public class EditUserIdDialogFragment extends DialogFragment {
                     }
                 }
             });
+        }
+
         builder.setNegativeButton(android.R.string.cancel, new DialogInterface.OnClickListener() {
             @Override
             public void onClick(DialogInterface dialog, int id) {

OpenKeychain/src/main/res/values/strings.xml

@@ -437,12 +437,17 @@
         <item>Change to Primary Identity</item>
         <item>Revoke Identity</item>
     </string-array>
+    <string-array name="edit_key_edit_user_id_revert_revocation">
+        <item>Revert revocation</item>
+    </string-array>
+    <string name="edit_key_edit_user_id_revoked">This identity has been revoked. This cannot be undone.</string>
     <string name="edit_key_edit_subkey_title">Select an action!</string>
     <string-array name="edit_key_edit_subkey">
         <item>Change Expiry</item>
         <item>Revoke Subkey</item>
     </string-array>
 
+
     <!-- Create key -->
     <string name="create_key_upload">Upload key to keyserver</string>
     <string name="create_key_empty">This field is required</string>