add subtitle to ActionBar in chatviews

* display typing information in ActionBar as subtitle for single user
chats
* display participants in ActionBar as subtitle for conferences

3 files changed, 32 insertions, 4 deletions

diff --git a/src/main/java/eu/siacs/conversations/entities/Conversation.java b/src/main/java/eu/siacs/conversations/entities/Conversation.java
index 9f9f34cf8..6584bddf8 100644
--- a/src/main/java/eu/siacs/conversations/entities/Conversation.java
+++ b/src/main/java/eu/siacs/conversations/entities/Conversation.java
@@ -343,6 +343,19 @@ public class Conversation extends AbstractEntity implements Blockable {
 			return this.getContact().getDisplayName();
 		}
 	}
+	
+	public String getParticipants() {
+		if (getMode() == MODE_MULTI) {
+			String generatedName = getMucOptions().createNameFromParticipants();
+			if (generatedName != null) {
+				return generatedName;
+			} else {
+				return null;
+			}
+		} else {
+			return null;
+		}
+	}
 
 	public String getAccountUuid() {
 		return this.accountUuid;
diff --git a/src/main/java/eu/siacs/conversations/ui/ConversationActivity.java b/src/main/java/eu/siacs/conversations/ui/ConversationActivity.java
index 219a4fcac..cc64953c6 100644
--- a/src/main/java/eu/siacs/conversations/ui/ConversationActivity.java
+++ b/src/main/java/eu/siacs/conversations/ui/ConversationActivity.java
@@ -51,6 +51,7 @@ import eu.siacs.conversations.services.XmppConnectionService.OnRosterUpdate;
 import eu.siacs.conversations.ui.adapter.ConversationAdapter;
 import eu.siacs.conversations.utils.ExceptionHelper;
 import eu.siacs.conversations.xmpp.OnUpdateBlocklist;
+import eu.siacs.conversations.xmpp.chatstate.ChatState;
 import eu.siacs.conversations.xmpp.jid.InvalidJidException;
 import eu.siacs.conversations.xmpp.jid.Jid;
 
@@ -326,13 +327,27 @@ public class ConversationActivity extends XmppActivity
 				ab.setHomeButtonEnabled(true);
 				if (conversation.getMode() == Conversation.MODE_SINGLE || useSubjectToIdentifyConference()) {
 					ab.setTitle(conversation.getName());
+					if (conversation.getMode() == Conversation.MODE_SINGLE) {
+						ChatState state = conversation.getIncomingChatState();
+						if (state == ChatState.COMPOSING) {
+							ab.setSubtitle(getString(R.string.is_typing));
+						} else if (state == ChatState.PAUSED) {
+							ab.setSubtitle(null);
+						} else {
+                            ab.setSubtitle(null);
+                        }
+					} else if (useSubjectToIdentifyConference()){
+                        ab.setSubtitle(conversation.getParticipants());
+                    }
 				} else {
 					ab.setTitle(conversation.getJid().toBareJid().toString());
+                    ab.setSubtitle(null);
 				}
 			} else {
 				ab.setDisplayHomeAsUpEnabled(false);
-				ab.setHomeButtonEnabled(false);
-				ab.setTitle(R.string.app_name);
+                ab.setHomeButtonEnabled(false);
+                ab.setTitle(R.string.app_name);
+                ab.setSubtitle(null);
 			}
 		}
 	}
diff --git a/src/main/java/eu/siacs/conversations/ui/ConversationFragment.java b/src/main/java/eu/siacs/conversations/ui/ConversationFragment.java
index de758efc1..648c6c4da 100644
--- a/src/main/java/eu/siacs/conversations/ui/ConversationFragment.java
+++ b/src/main/java/eu/siacs/conversations/ui/ConversationFragment.java
@@ -1000,9 +1000,9 @@ public class ConversationFragment extends Fragment implements EditMessage.Keyboa
 			if (conversation.getMode() == Conversation.MODE_SINGLE) {
 				ChatState state = conversation.getIncomingChatState();
 				if (state == ChatState.COMPOSING) {
-					this.messageList.add(Message.createStatusMessage(conversation, getString(R.string.contact_is_typing, conversation.getName())));
+					//this.messageList.add(Message.createStatusMessage(conversation, getString(R.string.contact_is_typing, conversation.getName())));
 				} else if (state == ChatState.PAUSED) {
-					this.messageList.add(Message.createStatusMessage(conversation, getString(R.string.contact_has_stopped_typing, conversation.getName())));
+					//this.messageList.add(Message.createStatusMessage(conversation, getString(R.string.contact_has_stopped_typing, conversation.getName())));
 				} else {
 					for (int i = this.messageList.size() - 1; i >= 0; --i) {
 						if (this.messageList.get(i).getStatus() == Message.STATUS_RECEIVED) {