pass through original primary ID

OpenPGP-Keychain/src/main/java/org/sufficientlysecure/keychain/ui/EditKeyActivity.java

@@ -597,6 +597,7 @@ public class EditKeyActivity extends ActionBarActivity implements EditorListener
             saveParams.oldPassPhrase = mCurrentPassphrase;
             saveParams.newKeys = toPrimitiveArray(mKeysView.getNewKeysArray());
             saveParams.keys = getKeys(mKeysView);
+            saveParams.originalPrimaryID = mUserIdsView.getOriginalPrimaryID();
 
 
             // fill values for this action

OpenPGP-Keychain/src/main/java/org/sufficientlysecure/keychain/ui/widget/SectionView.java

@@ -198,6 +198,21 @@ public class SectionView extends LinearLayout implements OnClickListener, Editor
         return ret;
     }
 
+    public String getOriginalPrimaryID()
+    { //NB: this will have to change when we change how Primary IDs are chosen, and so we need to be
+      //    careful about where Master key capabilities are stored... multiple primaries and
+      //    revoked ones make this harder than the simple case we are continuing to assume here
+        for (int i = 0; i < mEditors.getChildCount(); ++i) {
+            Editor editor = (Editor) mEditors.getChildAt(i);
+            if (mType == Id.type.user_id) {
+                if(((UserIdEditor)editor).getIsOriginallyMainUserID()) {
+                    return ((UserIdEditor)editor).getOriginalID();
+                }
+            }
+        }
+        return null;
+    }
+
     public ArrayList<String> getOriginalIDs()
     {
         ArrayList<String> orig = new ArrayList<String>();

OpenPGP-Keychain/src/main/java/org/sufficientlysecure/keychain/ui/widget/UserIdEditor.java

@@ -229,6 +229,11 @@ public class UserIdEditor extends LinearLayout implements Editor, OnClickListene
         return retval;
     }
 
+    public  boolean getIsOriginallyMainUserID()
+    {
+        return mOriginallyMainUserID;
+    }
+
     public boolean primarySwapped()
     {
         return (mOriginallyMainUserID != isMainUserId());