Highlight room list-items, auto-scroll in chat

When a new message is posted (or the user is messaged), the room's item
in the roomlist is now highlighted, like Vision.

Chat also auto-scrolls when new messages are posted.

application/Conversation.cpp

@@ -39,7 +39,8 @@ Conversation::Conversation(BString id, BMessenger msgn)
 	fDateFormatter(),
 	fRoomFlags(0),
 	fDisallowedFlags(0),
-	fNotifyCount(0)
+	fNotifyMessageCount(0),
+	fNotifyMentionCount(0)
 {
 	fConversationItem = new ConversationItem(fName.String(), this);
 	RegisterObserver(fConversationItem);
@@ -81,29 +82,34 @@ Conversation::ImMessage(BMessage* msg)
 
 			BString text = msg->FindString("body");
 			Contact* contact = GetOwnContact();
+			BWindow* win = fChatView->Window();
+
+			bool winFocused = (win != NULL &&
+				(win->IsFront() && !(win->IsMinimized())));
 			bool mentioned = ((text.IFindFirst(contact->GetName()) != B_ERROR)
 				|| (text.IFindFirst(contact->GetName()) != B_ERROR));
 
-			// Send a notification, if it's appropriate
-			BWindow* win = fChatView->Window();
-			if ((win == NULL || !win->IsFront() || win->IsMinimized())
-				&& AppPreferences::Item()->NotifyNewMessage
-				&& (fUsers.CountItems() <= 2 || mentioned))
+			// Send a notification, if appropriate
+			if (winFocused  == false && AppPreferences::Item()->NotifyNewMessage
+				&& (fUsers.CountItems() <= 2 || mentioned == true))
 			{
-				fNotifyCount++;
-
 				BString notifyTitle = "New mention";
 				BString notifyText = "You've been summoned from %source%.";
 
 				if (mentioned == false) {
+					fNotifyMessageCount++;
+
 					notifyTitle.SetTo("New message");
 					notifyText.SetTo("");
 
 					BStringFormat pmFormat("{0, plural,"
 						"=1{You've got a new message from %source%.}"
 						"other{You've got # new messages from %source%.}}");
-					pmFormat.Format(notifyText, fNotifyCount);
+					pmFormat.Format(notifyText, fNotifyMessageCount);
 				}
+				else
+					fNotifyMentionCount++;
+
 				notifyText.ReplaceAll("%source%", GetName());
 
 				BBitmap* icon = IconBitmap();
@@ -119,6 +125,13 @@ Conversation::ImMessage(BMessage* msg)
 				notification.SetMessageID(fID);
 				notification.Send();
 			}
+
+			// If unattached, highlight the ConversationItem
+			if (win == NULL && mentioned == true)
+				NotifyInteger(INT_NEW_MENTION, fNotifyMentionCount);
+			else if (win == NULL)
+				NotifyInteger(INT_NEW_MESSAGE, fNotifyMessageCount);
+
 			break;
 		}
 		case IM_MESSAGE_SENT:
@@ -215,7 +228,12 @@ Conversation::ObserveString(int32 what, BString str)
 void
 Conversation::ObserveInteger(int32 what, int32 value)
 {
-	GetView()->InvalidateUserList();
+	if (what == INT_WINDOW_FOCUSED) {
+		fNotifyMessageCount = 0;
+		fNotifyMentionCount = 0;
+	}
+	else
+		GetView()->InvalidateUserList();
 }
 
 
@@ -316,6 +334,9 @@ Conversation::GetView()
 		return fChatView;
 
 	fChatView = new ConversationView(this);
+	fChatView->RegisterObserver(fConversationItem);
+	fChatView->RegisterObserver(this);
+	RegisterObserver(fChatView);
 
 	if (!(fRoomFlags & ROOM_POPULATE_LOGS))
 		return fChatView;
@@ -324,7 +345,6 @@ Conversation::GetView()
 	if (_GetChatLogs(&logMsg) == B_OK)
 		fChatView->MessageReceived(&logMsg);
 
-	RegisterObserver(fChatView);
 	return fChatView;
 }
 

application/Conversation.h

@@ -90,7 +90,8 @@ private:
 	ProtocolLooper*	fLooper;
 	ConversationView* fChatView;
 	ConversationItem* fConversationItem;
-	int32 fNotifyCount;
+	int32 fNotifyMessageCount;
+	int32 fNotifyMentionCount;
 
 	BString fID;
 	BString fName;

application/NotifyMessage.h

@@ -15,7 +15,10 @@ enum {
 
 	INT_ACCOUNT_STATUS,
 	INT_CONTACT_STATUS,
-	INT_USER_PERMS
+	INT_USER_PERMS,
+	INT_NEW_MESSAGE,
+	INT_NEW_MENTION,
+	INT_WINDOW_FOCUSED
 };
 
 #endif	// _NOTIFY_MESSAGE_H

application/views/ConversationItem.cpp

@@ -5,18 +5,42 @@
 
 #include "ConversationItem.h"
 
+#include <InterfaceDefs.h>
+#include <View.h>
+
 #include "Conversation.h"
 #include "NotifyMessage.h"
+#include "Utils.h"
+
+
+const int8 kMentioned = 1;
+const int8 kMessage = 2;
 
 
 ConversationItem::ConversationItem(const char* name, Conversation* chat)
 	:
 	BStringItem(name),
-	fChat(chat)
+	fChat(chat),
+	fStatus(0)
 {
 }
 
 
+void
+ConversationItem::DrawItem(BView* owner, BRect frame, bool complete)
+{
+	rgb_color old = owner->HighColor();
+
+	if (fStatus & kMentioned)
+		owner->SetHighUIColor(B_SUCCESS_COLOR);
+	else if (fStatus & kMessage)
+		owner->SetHighColor(TintColor(ui_color(B_LIST_ITEM_TEXT_COLOR), 2));
+
+	BStringItem::DrawItem(owner, frame, complete);
+	owner->SetHighColor(old);
+}
+
+
 Conversation*
 ConversationItem::GetConversation()
 {
@@ -36,3 +60,19 @@ ConversationItem::ObserveString(int32 what, BString str)
 }
 
 
+void
+ConversationItem::ObserveInteger(int32 what, int32 num)
+{
+	switch (what)
+	{
+		case INT_NEW_MESSAGE:
+			fStatus |= kMessage;
+			break;
+		case INT_NEW_MENTION:
+			fStatus |= kMentioned;
+			break;
+		case INT_WINDOW_FOCUSED:
+			fStatus = 0;
+			break;
+	}
+}

application/views/ConversationItem.h

@@ -2,8 +2,8 @@
  * Copyright 2021, Jaidyn Levesque <jadedctrl@teknik.io>
  * All rights reserved. Distributed under the terms of the MIT license.
  */
-#ifndef CONVERSATIONITEM_H
-#define CONVERSATIONITEM_H
+#ifndef _CONVERSATION_ITEM_H
+#define _CONVERSATION_ITEM_H
 
 #include <StringItem.h>
 
@@ -16,14 +16,16 @@ class ConversationItem : public BStringItem, public Observer {
 public:
 	ConversationItem(const char* name, Conversation* chat);
 
-	Conversation* GetConversation();
+	virtual void	DrawItem(BView* owner, BRect frame, bool complete=false);
 
-protected:
-	void ObserveString(int32 what, BString str);
+	Conversation*	GetConversation();
+
+			void	ObserveString(int32 what, BString str);
+			void	ObserveInteger(int32 what, int32 num);
 
 private:
 	Conversation* fChat;
+	int8 fStatus;
 };
 
-
-#endif // CONVERSATIONITEM_H
+#endif // _CONVERSATION_ITEM_H

application/views/ConversationView.cpp

@@ -79,6 +79,7 @@ ConversationView::AttachedToWindow()
 		if (fSubjectTextView->Text() != fConversation->GetSubject())
 			fSubjectTextView->SetText(fConversation->GetSubject());
 	}
+	NotifyInteger(INT_WINDOW_FOCUSED, 0);
 }
 
 
@@ -129,11 +130,14 @@ ConversationView::ImMessage(BMessage* msg)
 		case IM_MESSAGE_RECEIVED:
 		{
 			_AppendOrEnqueueMessage(msg);
+			fReceiveView->ScrollToBottom();
 			break;
 		}
 		case IM_MESSAGE_SENT:
 		case IM_LOGS_RECEIVED:
 		{
+			if (im_what == IM_MESSAGE_SENT)
+				fReceiveView->ScrollToBottom();
 			_AppendOrEnqueueMessage(msg);
 			break;
 		}

application/views/ConversationView.h

@@ -22,7 +22,7 @@ class User;
 class UserListView;
 
 
-class ConversationView : public BGroupView, public Observer {
+class ConversationView : public BGroupView, public Observer, public Notifier {
 public:
 						ConversationView();
 						ConversationView(Conversation* chat);