Add NickList events.

src/com/dmdirc/Channel.java

 import com.dmdirc.events.ChannelClosedEvent;
 import com.dmdirc.events.ChannelSelfActionEvent;
 import com.dmdirc.events.ChannelSelfMessageEvent;
+import com.dmdirc.events.NickListClientAddedEvent;
+import com.dmdirc.events.NickListClientRemovedEvent;
+import com.dmdirc.events.NickListClientsChangedEvent;
+import com.dmdirc.events.NickListUpdatedEvent;
 import com.dmdirc.interfaces.CommandController;
 import com.dmdirc.interfaces.Connection;
 import com.dmdirc.interfaces.GroupChat;
 
         listenerList.getCallable(NicklistListener.class)
                 .clientListUpdated(Collections.<ChannelClientInfo>emptyList());
+        getEventBus().publishAsync(new NickListClientsChangedEvent(this,
+                Collections.<ChannelClientInfo>emptyList()));
     }
 
     @Override
      */
     public void addClient(final ChannelClientInfo client) {
         listenerList.getCallable(NicklistListener.class).clientAdded(client);
+        getEventBus().publishAsync(new NickListClientAddedEvent(this, client));
 
         getTabCompleter().addEntry(TabCompletionType.CHANNEL_NICK,
                 client.getClient().getNickname());
      */
     public void removeClient(final ChannelClientInfo client) {
         listenerList.getCallable(NicklistListener.class).clientRemoved(client);
+        getEventBus().publishAsync(new NickListClientRemovedEvent(this, client));
 
         getTabCompleter().removeEntry(TabCompletionType.CHANNEL_NICK,
                 client.getClient().getNickname());
      */
     public void setClients(final Collection<ChannelClientInfo> clients) {
         listenerList.getCallable(NicklistListener.class).clientListUpdated(clients);
+        getEventBus().publishAsync(new NickListClientsChangedEvent(this, clients));
 
         getTabCompleter().clear(TabCompletionType.CHANNEL_NICK);
 
         }
 
         listenerList.getCallable(NicklistListener.class).clientListUpdated();
+        getEventBus().publishAsync(new NickListUpdatedEvent(this));
     }
 
     /**

src/com/dmdirc/events/NickListClientAddedEvent.java

+/*
+ * Copyright (c) 2006-2014 DMDirc Developers
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+package com.dmdirc.events;
+
+import com.dmdirc.Channel;
+import com.dmdirc.parser.interfaces.ChannelClientInfo;
+
+/**
+ * Fired when a user is added to the list of users.
+ */
+public class NickListClientAddedEvent extends NickListEvent {
+
+    private final ChannelClientInfo user;
+
+    public NickListClientAddedEvent(final long timestamp, final Channel channel,
+            final ChannelClientInfo user) {
+        super(timestamp, channel);
+        this.user = user;
+    }
+
+    public NickListClientAddedEvent(final Channel channel, final ChannelClientInfo user) {
+        super(channel);
+        this.user = user;
+    }
+
+    public ChannelClientInfo getUser() {
+        return user;
+    }
+}

src/com/dmdirc/events/NickListClientRemovedEvent.java

+/*
+ * Copyright (c) 2006-2014 DMDirc Developers
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+package com.dmdirc.events;
+
+import com.dmdirc.Channel;
+import com.dmdirc.parser.interfaces.ChannelClientInfo;
+
+/**
+ * Fired when a user is removed from the list of users.
+ */
+public class NickListClientRemovedEvent extends NickListEvent {
+
+    private final ChannelClientInfo user;
+
+    public NickListClientRemovedEvent(final long timestamp, final Channel channel,
+            final ChannelClientInfo user) {
+        super(timestamp, channel);
+        this.user = user;
+    }
+
+    public NickListClientRemovedEvent(final Channel channel, final ChannelClientInfo user) {
+        super(channel);
+        this.user = user;
+    }
+
+    public ChannelClientInfo getUser() {
+        return user;
+    }
+}

src/com/dmdirc/events/NickListClientsChangedEvent.java

+/*
+ * Copyright (c) 2006-2014 DMDirc Developers
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+package com.dmdirc.events;
+
+import com.dmdirc.Channel;
+import com.dmdirc.parser.interfaces.ChannelClientInfo;
+
+import java.util.Collection;
+import java.util.Collections;
+
+import autovalue.shaded.com.google.common.common.collect.Lists;
+
+/**
+ * Fired when there is a major change to the list of users.
+ */
+public class NickListClientsChangedEvent extends NickListEvent {
+
+    private final Collection<ChannelClientInfo> users;
+
+    public NickListClientsChangedEvent(final long timestamp, final Channel channel,
+            final Iterable<ChannelClientInfo> users) {
+        super(timestamp, channel);
+        this.users = Lists.newArrayList(users);
+    }
+
+    public NickListClientsChangedEvent(final Channel channel,
+            final Iterable<ChannelClientInfo> users) {
+        super(channel);
+        this.users = Lists.newArrayList(users);
+    }
+
+    public Collection<ChannelClientInfo> getUsers() {
+        return Collections.unmodifiableCollection(users);
+    }
+}

src/com/dmdirc/events/NickListEvent.java

+package com.dmdirc.events;
+
+import com.dmdirc.Channel;
+import com.dmdirc.interfaces.GroupChat;
+
+/**
+ * Base class for all nicklist events in a {@link GroupChat}.
+ */
+public abstract class NickListEvent extends ChannelEvent {
+
+    public NickListEvent(final long timestamp, final Channel channel) {
+        super(timestamp, channel);
+    }
+
+    public NickListEvent(final Channel channel) {
+        super(channel);
+    }
+}

src/com/dmdirc/events/NickListUpdatedEvent.java

+/*
+ * Copyright (c) 2006-2014 DMDirc Developers
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+package com.dmdirc.events;
+
+import com.dmdirc.Channel;
+
+/**
+ * Fired when the properties of the users in a list changes.
+ */
+public class NickListUpdatedEvent extends NickListEvent {
+
+    public NickListUpdatedEvent(final long timestamp, final Channel channel) {
+        super(timestamp, channel);
+    }
+
+    public NickListUpdatedEvent(final Channel channel) {
+        super(channel);
+    }
+}