From c5440e10686b084ddbd578d00394ca617eeab04b Mon Sep 17 00:00:00 2001
From: Sylvain Berfini <sylvain.berfini@belledonne-communications.com>
Date: Mon, 23 Oct 2017 15:26:37 +0200
Subject: [PATCH] Allow group chat rooms with only 2 participants

---
 .../org/linphone/chat/GroupChatFragment.java  | 20 ++++++++++++++++++-
 .../org/linphone/chat/GroupInfoFragment.java  |  4 ++--
 2 files changed, 21 insertions(+), 3 deletions(-)

diff --git a/src/android/org/linphone/chat/GroupChatFragment.java b/src/android/org/linphone/chat/GroupChatFragment.java
index c3bc5c4c7..085c61991 100644
--- a/src/android/org/linphone/chat/GroupChatFragment.java
+++ b/src/android/org/linphone/chat/GroupChatFragment.java
@@ -38,6 +38,7 @@ import org.linphone.LinphoneManager;
 import org.linphone.LinphoneUtils;
 import org.linphone.R;
 import org.linphone.activities.LinphoneActivity;
+import org.linphone.contacts.ContactAddress;
 import org.linphone.contacts.ContactsManager;
 import org.linphone.contacts.LinphoneContact;
 import org.linphone.core.Address;
@@ -111,7 +112,24 @@ public class GroupChatFragment extends Fragment implements ChatRoomListener {
 		mGroupInfosButton.setOnClickListener(new View.OnClickListener() {
 			@Override
 			public void onClick(View view) {
-
+				if (mChatRoom == null) return;
+				ArrayList<ContactAddress> participants = new ArrayList<ContactAddress>();
+				for (Participant p : mChatRoom.getParticipants()) {
+					Address a = p.getAddress();
+					LinphoneContact c = ContactsManager.getInstance().findContactFromAddress(a);
+					if (c == null) {
+						c = new LinphoneContact();
+						String displayName = a.getDisplayName();
+						if (displayName == null || displayName.isEmpty()) {
+							c.setFullName(a.getUsername());
+						} else {
+							c.setFullName(displayName);
+						}
+					}
+					ContactAddress ca = new ContactAddress(c, a.asString(), c.isFriend());
+					participants.add(ca);
+				}
+				LinphoneActivity.instance().displayChatGroupInfos(participants, true);
 			}
 		});
 
diff --git a/src/android/org/linphone/chat/GroupInfoFragment.java b/src/android/org/linphone/chat/GroupInfoFragment.java
index 3fa86d54c..8888dc718 100644
--- a/src/android/org/linphone/chat/GroupInfoFragment.java
+++ b/src/android/org/linphone/chat/GroupInfoFragment.java
@@ -66,7 +66,7 @@ public class GroupInfoFragment extends Fragment {
 				mParticipants.remove(ca);
 				mAdapter.updateDataSet(mParticipants);
 				mParticipantsList.setAdapter(mAdapter);
-				mConfirmButton.setEnabled(mSubjectField.getText().length() > 0 && mParticipants.size() > 1);
+				mConfirmButton.setEnabled(mSubjectField.getText().length() > 0 && mParticipants.size() > 0);
 			}
 		});
 		mParticipantsList.setAdapter(mAdapter);
@@ -104,7 +104,7 @@ public class GroupInfoFragment extends Fragment {
 				//TODO
 			}
 		});
-		mConfirmButton.setEnabled(mSubjectField.getText().length() > 0 && mParticipants.size() > 1);
+		mConfirmButton.setEnabled(mSubjectField.getText().length() > 0 && mParticipants.size() > 0);
 
 		mLeaveGroupButton = view.findViewById(R.id.leaveGroupLayout);
 		mLeaveGroupButton.setOnClickListener(new View.OnClickListener() {