From dfcdf93968953830857be6f1310f6bceafd36250 Mon Sep 17 00:00:00 2001
From: Tomas Slusny <slusnucky@gmail.com>
Date: Tue, 20 Feb 2018 13:04:24 -0500
Subject: [PATCH] Add chat history plugin

- Add chat history plugin that will be able to preserve the chat history during logout/world hop
- Track only PUBLIC, CLANCHAT, PRIVATE_MESSAGE_* and GAME messages in the history plugin
---
 .../chathistory/ChatHistoryPlugin.java        | 119 ++++++++++++++++++
 1 file changed, 119 insertions(+)
 create mode 100644 runelite-client/src/main/java/net/runelite/client/plugins/chathistory/ChatHistoryPlugin.java

diff --git a/runelite-client/src/main/java/net/runelite/client/plugins/chathistory/ChatHistoryPlugin.java b/runelite-client/src/main/java/net/runelite/client/plugins/chathistory/ChatHistoryPlugin.java
new file mode 100644
index 0000000000..2d1bae7dbc
--- /dev/null
+++ b/runelite-client/src/main/java/net/runelite/client/plugins/chathistory/ChatHistoryPlugin.java
@@ -0,0 +1,119 @@
+/*
+ * Copyright (c) 2018, Tomas Slusny <slusnucky@gmail.com>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this
+ *    list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
+ * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+package net.runelite.client.plugins.chathistory;
+
+import com.google.common.collect.EvictingQueue;
+import com.google.common.collect.Sets;
+import com.google.common.eventbus.Subscribe;
+import java.util.Queue;
+import java.util.Set;
+import javax.inject.Inject;
+import net.runelite.api.ChatMessageType;
+import net.runelite.api.events.SetMessage;
+import net.runelite.client.chat.ChatMessageManager;
+import net.runelite.client.chat.QueuedMessage;
+import net.runelite.client.plugins.Plugin;
+import net.runelite.client.plugins.PluginDescriptor;
+
+@PluginDescriptor(name = "Chat history")
+public class ChatHistoryPlugin extends Plugin
+{
+	private static final String WELCOME_MESSAGE = "Welcome to RuneScape.";
+	private static final Set<ChatMessageType> ALLOWED_HISTORY = Sets.newHashSet(
+		ChatMessageType.PUBLIC,
+		ChatMessageType.CLANCHAT,
+		ChatMessageType.PRIVATE_MESSAGE_RECEIVED,
+		ChatMessageType.PRIVATE_MESSAGE_SENT,
+		ChatMessageType.PRIVATE_MESSAGE_RECEIVED_MOD,
+		ChatMessageType.GAME
+	);
+
+	private Queue<QueuedMessage> messageQueue;
+
+	@Inject
+	private ChatMessageManager chatMessageManager;
+	
+	@Override
+	protected void startUp()
+	{
+		messageQueue = EvictingQueue.create(100);
+	}
+
+	@Override
+	protected void shutDown()
+	{
+		messageQueue.clear();
+		messageQueue = null;
+	}
+
+	@Subscribe
+	public void onSetMessage(SetMessage message)
+	{
+		// Start sending old messages right after the welcome message, as that is most reliable source
+		// of information that chat history was reset
+		if (message.getValue().equals(WELCOME_MESSAGE))
+		{
+			QueuedMessage queuedMessage;
+
+			while ((queuedMessage = messageQueue.poll()) != null)
+			{
+				chatMessageManager.queue(queuedMessage);
+			}
+
+			return;
+		}
+
+		if (ALLOWED_HISTORY.contains(message.getType()))
+		{
+			final QueuedMessage queuedMessage = QueuedMessage.builder()
+				.type(message.getType())
+				.name(message.getName())
+				.sender(message.getSender())
+				.value(nbsp(message.getValue()))
+				.runeLiteFormattedMessage(nbsp(message.getMessageNode().getRuneLiteFormatMessage()))
+				.build();
+
+			if (!messageQueue.contains(queuedMessage))
+			{
+				messageQueue.offer(queuedMessage);
+			}
+		}
+	}
+
+	/**
+	 * Small hack to prevent plugins checking for specific messages to match
+	 * @param message message
+	 * @return message with nbsp
+	 */
+	private static String nbsp(final String message)
+	{
+		if (message != null)
+		{
+			return message.replace(' ', '\u00A0');
+		}
+
+		return null;
+	}
+}