Add chatbox input listener and use for chatbox input event

The immediate eventbus does not pass classloader validation: java.lang.SecurityException: class "com.google.common.eventbus.ImmediateEventBus"'s signer information does not match signer information of other classes in the same package

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

@@ -0,0 +1,32 @@
+/*
+ * Copyright (c) 2018, 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 net.runelite.client.events.ChatboxInput;
+
+public interface ChatboxInputListener
+{
+	boolean onChatboxInput(ChatboxInput chatboxInput);
+}

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

@@ -27,7 +27,9 @@ package net.runelite.client.chat;
 
 import com.google.common.eventbus.EventBus;
 import com.google.common.eventbus.Subscribe;
+import java.util.ArrayList;
 import java.util.Arrays;
+import java.util.List;
 import javax.inject.Inject;
 import javax.inject.Provider;
 import javax.inject.Singleton;
@@ -52,6 +54,8 @@ public class CommandManager
 	private final Provider<ClientThread> clientThreadProvider;
 	private boolean sending;
 
+	private final List<ChatboxInputListener> chatboxInputListenerList = new ArrayList<>();
+
 	@Inject
 	public CommandManager(Provider<Client> clientProvider, EventBus eventBus, Provider<ClientThread> clientThreadProvider)
 	{
@@ -60,6 +64,16 @@ public class CommandManager
 		this.clientThreadProvider = clientThreadProvider;
 	}
 
+	public void register(ChatboxInputListener chatboxInputListener)
+	{
+		chatboxInputListenerList.add(chatboxInputListener);
+	}
+
+	public void unregister(ChatboxInputListener chatboxInputListener)
+	{
+		chatboxInputListenerList.remove(chatboxInputListener);
+	}
+
 	@Subscribe
 	private void scriptEvent(ScriptCallbackEvent event)
 	{
@@ -129,9 +143,13 @@ public class CommandManager
 				clientThread.invokeLater(() -> sendChatboxInput(chatType, typedText));
 			}
 		};
-		eventBus.post(chatboxInput);
+		boolean stop = false;
+		for (ChatboxInputListener chatboxInputListener : chatboxInputListenerList)
+		{
+			stop |= chatboxInputListener.onChatboxInput(chatboxInput);
+		}
 
-		if (chatboxInput.isStop())
+		if (stop)
 		{
 			// input was blocked.
 			stringStack[stringStackCount - 1] = ""; // prevent script from sending

runelite-client/src/main/java/net/runelite/client/events/ChatboxInput.java

@@ -31,7 +31,6 @@ public abstract class ChatboxInput
 {
 	private final String value;
 	private final int chatType;
-	private boolean stop;
 
 	public abstract void resume();
 }

runelite-client/src/main/java/net/runelite/client/plugins/chatcommands/ChatCommandsPlugin.java

@@ -47,6 +47,7 @@ import net.runelite.api.vars.AccountType;
 import net.runelite.client.chat.ChatColorType;
 import net.runelite.client.chat.ChatMessageBuilder;
 import net.runelite.client.chat.ChatMessageManager;
+import net.runelite.client.chat.ChatboxInputListener;
 import net.runelite.client.chat.CommandManager;
 import net.runelite.client.config.ConfigManager;
 import net.runelite.client.events.ChatboxInput;
@@ -72,7 +73,7 @@ import net.runelite.http.api.kc.KillCountClient;
 	tags = {"grand", "exchange", "level", "prices"}
 )
 @Slf4j
-public class ChatCommandsPlugin extends Plugin
+public class ChatCommandsPlugin extends Plugin implements ChatboxInputListener
 {
 	private static final float HIGH_ALCHEMY_CONSTANT = 0.6f;
 	private static final Pattern KILLCOUNT_PATERN = Pattern.compile("Your ([a-zA-Z ]+) kill count is: <col=ff0000>(\\d+)</col>.");
@@ -112,12 +113,14 @@ public class ChatCommandsPlugin extends Plugin
 	public void startUp()
 	{
 		keyManager.registerKeyListener(chatKeyboardListener);
+		commandManager.register(this);
 	}
 
 	@Override
 	public void shutDown()
 	{
 		keyManager.unregisterKeyListener(chatKeyboardListener);
+		commandManager.unregister(this);
 	}
 
 	@Provides
@@ -237,13 +240,13 @@ public class ChatCommandsPlugin extends Plugin
 		}
 	}
 
-	@Subscribe
-	public void onChatboxInput(ChatboxInput chatboxInput)
+	@Override
+	public boolean onChatboxInput(ChatboxInput chatboxInput)
 	{
 		final String value = chatboxInput.getValue();
 		if (!value.startsWith("!kc ") && !value.startsWith("/!kc "))
 		{
-			return;
+			return false;
 		}
 
 		int idx = value.indexOf(' ');
@@ -252,10 +255,9 @@ public class ChatCommandsPlugin extends Plugin
 		final int kc = getKc(boss);
 		if (kc <= 0)
 		{
-			return;
+			return false;
 		}
 
-		chatboxInput.setStop(true);
 		final String playerName = client.getLocalPlayer().getName();
 
 		executor.execute(() ->
@@ -273,6 +275,8 @@ public class ChatCommandsPlugin extends Plugin
 				chatboxInput.resume();
 			}
 		});
+
+		return true;
 	}
 
 	private void killCountLookup(ChatMessageType type, SetMessage setMessage, String search)