chat message manager: avoid adding chat messages on threads

runelite-client/src/main/java/net/runelite/client/callback/Hooks.java

@@ -40,6 +40,7 @@ import net.runelite.api.Point;
 import net.runelite.api.Projectile;
 import net.runelite.api.Skill;
 import net.runelite.client.RuneLite;
+import net.runelite.client.chat.ChatMessageManager;
 import net.runelite.client.events.*;
 import net.runelite.client.game.DeathChecker;
 import net.runelite.client.task.Scheduler;
@@ -56,6 +57,7 @@ public class Hooks
 	private static final EventBus eventBus = injector.getInstance(EventBus.class);
 	private static final Scheduler scheduler = injector.getInstance(Scheduler.class);
 	private static final InfoBoxManager infoBoxManager = injector.getInstance(InfoBoxManager.class);
+	private static final ChatMessageManager chatMessageManager = injector.getInstance(ChatMessageManager.class);
 	private static final DeathChecker death = new DeathChecker(client, eventBus);
 	private static final GameTick tick = new GameTick();
 
@@ -86,6 +88,8 @@ public class Hooks
 
 		// cull infoboxes
 		infoBoxManager.cull();
+
+		chatMessageManager.process();
 	}
 
 	public static void draw(MainBufferProvider mainBufferProvider, Graphics graphics, int x, int y)

runelite-client/src/main/java/net/runelite/client/chat/ChatMessageManager.java

@@ -28,9 +28,12 @@ import com.google.common.eventbus.Subscribe;
 import java.util.Arrays;
 import java.util.HashMap;
 import java.util.HashSet;
+import java.util.Iterator;
 import java.util.Map;
 import java.util.Objects;
+import java.util.Queue;
 import java.util.Set;
+import java.util.concurrent.ConcurrentLinkedQueue;
 import java.util.concurrent.ScheduledExecutorService;
 import java.util.concurrent.atomic.AtomicReference;
 import java.util.stream.Collectors;
@@ -56,6 +59,7 @@ public class ChatMessageManager
 	private final ScheduledExecutorService executor;
 	private final RuneliteConfig config;
 	private int transparancyVarbit = -1;
+	private final Queue<QueuedMessage> queuedMessages = new ConcurrentLinkedQueue<>();
 
 	@Inject
 	public ChatMessageManager(Provider<Client> clientProvider, ScheduledExecutorService executor, RuneliteConfig config)
@@ -96,10 +100,25 @@ public class ChatMessageManager
 		return this;
 	}
 
+	public void queue(ChatMessageType type, String message)
+	{
+		queuedMessages.add(new QueuedMessage(type, message));
+	}
+
+	public void process()
+	{
+		for (Iterator<QueuedMessage> it = queuedMessages.iterator(); it.hasNext();)
+		{
+			QueuedMessage message = it.next();
+			add(message.getType(), message.getMessage());
+			it.remove();
+		}
+	}
+
 	public void add(final ChatMessageType type, final String mesage)
 	{
 		final Client client = clientProvider.get();
-		client.sendGameMessage(type, mesage);
+		client.sendGameMessage(type, mesage); // this updates chat cycle
 		final ChatLineBuffer chatLineBuffer = client.getChatLineMap().get(type.getType());
 		final MessageNode[] lines = chatLineBuffer.getLines();
 		final MessageNode line = lines[0];

runelite-client/src/main/java/net/runelite/client/chat/QueuedMessage.java

@@ -0,0 +1,37 @@
+/*
+ * Copyright (c) 2016-2017, Adam <Adam@sigterm.info>
+ * 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.chat;
+
+import lombok.AllArgsConstructor;
+import lombok.Data;
+import net.runelite.api.ChatMessageType;
+
+@Data
+@AllArgsConstructor
+class QueuedMessage
+{
+	private final ChatMessageType type;
+	private final String message;
+}

runelite-client/src/main/java/net/runelite/client/plugins/examine/ExaminePlugin.java

@@ -235,8 +235,7 @@ public class ExaminePlugin extends Plugin
 					.append(String.valueOf(alchPrice))
 					.build();
 
-				chatMessageManager.add(ChatMessageType.EXAMINE_ITEM, message);
-				client.refreshChat();
+				chatMessageManager.queue(ChatMessageType.EXAMINE_ITEM, message);
 			}
 		}
 		catch (IOException e)