Sort conversation and user lists

application/Conversation.cpp

@@ -394,6 +394,7 @@ Conversation::AddUser(User* user)
 	msg.AddString("user_id", user->GetId());
 	msg.AddString("user_name", user->GetName());
 	_EnsureUser(&msg);
+	_SortConversationList();
 }
 
 
@@ -403,6 +404,7 @@ Conversation::RemoveUser(User* user)
 	fUsers.RemoveItemFor(user->GetId());
 	user->UnregisterObserver(this);
 	GetView()->UpdateUserList(fUsers);
+	_SortConversationList();
 }
 
 
@@ -581,10 +583,16 @@ Conversation::_EnsureUser(BMessage* msg)
 }
 
 
+void
+Conversation::_SortConversationList()
+{
+	if (fUsers.CountItems() <= 2 || fUsers.CountItems() == 3)
+		((TheApp*)be_app)->GetMainWindow()->SortConversation(this);
+}
+
+
 Server*
 Conversation::_GetServer()
 {
 	return ((TheApp*)be_app)->GetMainWindow()->GetServer();
 }
-
-

application/Conversation.h

@@ -84,6 +84,8 @@ private:
 	void				_EnsureCachePath();
 	User*				_EnsureUser(BMessage* msg);
 
+	void				_SortConversationList();
+
 	Server*				_GetServer();
 
 	BMessenger	fMessenger;

application/views/ConversationListView.cpp

@@ -29,6 +29,40 @@ const uint32 kOpenSelectedChat = 'CVos';
 const uint32 kLeaveSelectedChat = 'CVcs';
 
 
+static int
+compare_by_name(const BListItem* _item1, const BListItem* _item2)
+{
+	ConversationItem* item1 = (ConversationItem*)_item1;
+	ConversationItem* item2 = (ConversationItem*)_item2;
+
+	return strcasecmp(item1->GetConversation()->GetName().String(),
+		item2->GetConversation()->GetName().String());
+}
+
+
+static int
+compare_conversations(const BListItem* _item1, const BListItem* _item2)
+{
+	ConversationItem* item1 = (ConversationItem*)_item1;
+	ConversationItem* item2 = (ConversationItem*)_item2;
+
+	int32 userCount1 = item1->GetConversation()->Users().CountItems();
+	int32 userCount2 = item2->GetConversation()->Users().CountItems();
+
+	// Sort by name among chats/rooms
+	if ((userCount1 <= 2 && userCount2 <= 2) 
+			|| (userCount1 > 2 && userCount2 > 2))
+		return compare_by_name(item1, item2);
+
+	// One-on-one chats should sort above rooms
+	if (userCount1 <=2 && userCount2 > 2)
+		return -1;
+	if (userCount1 > 2 && userCount2 <= 2)
+		return 1;
+	return 0;
+}
+
+
 ConversationListView::ConversationListView(const char* name)
 	: BOutlineListView(name)
 {
@@ -105,6 +139,7 @@ ConversationListView::AddConversation(Conversation* chat)
 		return;
 
 	AddUnder(item, superItem);
+	SortItemsUnder(superItem, true, compare_conversations);
 }
 
 
@@ -115,6 +150,14 @@ ConversationListView::RemoveConversation(Conversation* chat)
 }
 
 
+void
+ConversationListView::SortConversation(Conversation* chat)
+{
+	ConversationAccountItem* superItem = _EnsureAccountItem(chat);
+	SortItemsUnder(superItem, true, compare_conversations);
+}
+
+
 int32
 ConversationListView::CountConversations()
 {

application/views/ConversationListView.h

@@ -2,8 +2,8 @@
  * Copyright 2021, Jaidyn Levesque <jadedctrl@teknik.io>
  * All rights reserved. Distributed under the terms of the MIT license.
  */
-#ifndef CONVERSATIONLIST_H
-#define CONVERSATIONLIST_H
+#ifndef _CONVERSATION_LIST_H
+#define _CONVERSATION_LIST_H
 
 #include <OutlineListView.h>
 
@@ -16,12 +16,13 @@ class ConversationListView : public BOutlineListView {
 public:
 	ConversationListView(const char* name);
 
-	void MessageReceived(BMessage* msg);
-	void SelectionChanged();
-	void MouseDown(BPoint where);
+	virtual void	MessageReceived(BMessage* msg);
+	virtual	void	SelectionChanged();
+	virtual void	MouseDown(BPoint where);
 
 			void	AddConversation(Conversation* chat);
 			void	RemoveConversation(Conversation* chat);
+			void	SortConversation(Conversation* chat);
 
 			int32	CountConversations();
 			int32	ConversationIndexOf(Conversation* chat);
@@ -31,9 +32,8 @@ private:
 	  BPopUpMenu*	_ConversationPopUp();
 	  BPopUpMenu*	_BlankPopUp();
 
-	ConversationAccountItem* _EnsureAccountItem(Conversation* chat);
+	ConversationAccountItem*
+					_EnsureAccountItem(Conversation* chat);
 };
 
-
-#endif // CONVERSATIONLIST_H
-
+#endif // _CONVERSATION_LIST_H

application/views/ConversationView.cpp

@@ -230,8 +230,10 @@ ConversationView::UpdateUserList(UserMap users)
 	fUserList->MakeEmpty();
 	for (int i = 0; i < users.CountItems(); i++) {
 		User* user = users.ValueAt(i);
-		if (fUserList->HasItem(user->GetListItem()) == false)
+		if (fUserList->HasItem(user->GetListItem()) == false) {
 			fUserList->AddItem(user->GetListItem());
+			fUserList->Sort();
+		}
 	}
 }
 

application/views/UserListView.cpp

@@ -27,6 +27,16 @@
 #define B_TRANSLATION_CONTEXT "UserListView"
 
 
+static int
+compare_by_name(const void* _item1, const void* _item2)
+{
+	UserItem* item1 = *(UserItem**)_item1;
+	UserItem* item2 = *(UserItem**)_item2;
+
+	return item1->GetUser()->GetName().ICompare(item2->GetUser()->GetName());
+}
+
+
 UserListView::UserListView(const char* name)
 	: BListView(name),
 	fChat(NULL)
@@ -52,6 +62,13 @@ UserListView::MouseDown(BPoint where)
 }
 
 
+void
+UserListView::Sort()
+{
+	SortItems(compare_by_name);
+}
+
+
 BPopUpMenu*
 UserListView::_UserPopUp()
 {

application/views/UserListView.h

@@ -29,7 +29,9 @@ class UserListView : public BListView {
 public:
 					UserListView(const char* name);
 
-	void MouseDown(BPoint where);
+	virtual void	MouseDown(BPoint where);
+
+			void	Sort();
 
 			void	SetConversation(Conversation* chat) { fChat = chat; }
 
@@ -38,12 +40,10 @@ private:
 	 BPopUpMenu*	_BlankPopUp();
 
 			void	_ModerationAction(int32 im_what);
-	void		_ProcessItem(BMessage* itemMsg, BPopUpMenu* menu, Role* user,
-							 Role* target, BString target_id);
+			void	_ProcessItem(BMessage* itemMsg, BPopUpMenu* menu,
+						Role* user, Role* target, BString target_id);
 
 	Conversation* fChat;
 };
 
-
 #endif // CONVERSATIONLIST_H
-

application/windows/MainWindow.cpp

@@ -396,6 +396,13 @@ MainWindow::RemoveConversation(Conversation* chat)
 }
 
 
+void
+MainWindow::SortConversation(Conversation* chat)
+{
+	fListView->SortConversation(chat);
+}
+
+
 void
 MainWindow::_InitInterface()
 {

application/windows/MainWindow.h

@@ -45,6 +45,7 @@ public:
 
 			void		SetConversation(Conversation* chat);
 			void		RemoveConversation(Conversation* chat);
+			void		SortConversation(Conversation* chat);
 
 			Server*		GetServer() const { return fServer; }