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- /*
- * Copyright (c) 2006-2015 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;
-
- import com.dmdirc.events.ChannelActionEvent;
- import com.dmdirc.events.ChannelCtcpEvent;
- import com.dmdirc.events.ChannelDisplayableEvent;
- import com.dmdirc.events.ChannelGotnamesEvent;
- import com.dmdirc.events.ChannelGottopicEvent;
- import com.dmdirc.events.ChannelJoinEvent;
- import com.dmdirc.events.ChannelKickEvent;
- import com.dmdirc.events.ChannelListmodesretrievedEvent;
- import com.dmdirc.events.ChannelMessageEvent;
- import com.dmdirc.events.ChannelModeNoticeEvent;
- import com.dmdirc.events.ChannelModechangeEvent;
- import com.dmdirc.events.ChannelModesdiscoveredEvent;
- import com.dmdirc.events.ChannelNickchangeEvent;
- import com.dmdirc.events.ChannelNoticeEvent;
- import com.dmdirc.events.ChannelNotopicEvent;
- import com.dmdirc.events.ChannelPartEvent;
- import com.dmdirc.events.ChannelQuitEvent;
- import com.dmdirc.events.ChannelTopicChangeEvent;
- import com.dmdirc.events.ChannelTopicUnsetEvent;
- import com.dmdirc.events.ChannelUserAwayEvent;
- import com.dmdirc.events.ChannelUserBackEvent;
- import com.dmdirc.events.ChannelUserEvent;
- import com.dmdirc.events.ChannelUsermodechangeEvent;
- import com.dmdirc.interfaces.Connection;
- import com.dmdirc.interfaces.GroupChatUser;
- import com.dmdirc.parser.common.AwayState;
- import com.dmdirc.parser.common.CallbackManager;
- import com.dmdirc.parser.interfaces.ChannelClientInfo;
- import com.dmdirc.parser.interfaces.ChannelInfo;
- import com.dmdirc.parser.interfaces.ClientInfo;
- import com.dmdirc.parser.interfaces.Parser;
- import com.dmdirc.parser.interfaces.callbacks.CallbackInterface;
- import com.dmdirc.parser.interfaces.callbacks.ChannelActionListener;
- import com.dmdirc.parser.interfaces.callbacks.ChannelCtcpListener;
- import com.dmdirc.parser.interfaces.callbacks.ChannelJoinListener;
- import com.dmdirc.parser.interfaces.callbacks.ChannelKickListener;
- import com.dmdirc.parser.interfaces.callbacks.ChannelListModeListener;
- import com.dmdirc.parser.interfaces.callbacks.ChannelMessageListener;
- import com.dmdirc.parser.interfaces.callbacks.ChannelModeChangeListener;
- import com.dmdirc.parser.interfaces.callbacks.ChannelModeNoticeListener;
- import com.dmdirc.parser.interfaces.callbacks.ChannelNamesListener;
- import com.dmdirc.parser.interfaces.callbacks.ChannelNickChangeListener;
- import com.dmdirc.parser.interfaces.callbacks.ChannelNonUserModeChangeListener;
- import com.dmdirc.parser.interfaces.callbacks.ChannelNoticeListener;
- import com.dmdirc.parser.interfaces.callbacks.ChannelPartListener;
- import com.dmdirc.parser.interfaces.callbacks.ChannelQuitListener;
- import com.dmdirc.parser.interfaces.callbacks.ChannelTopicListener;
- import com.dmdirc.parser.interfaces.callbacks.ChannelUserModeChangeListener;
- import com.dmdirc.parser.interfaces.callbacks.OtherAwayStateListener;
- import com.dmdirc.util.EventUtils;
-
- import com.google.common.base.Strings;
-
- import java.util.Date;
- import java.util.Optional;
- import java.util.stream.Collectors;
-
- import javax.annotation.Nonnull;
-
- /**
- * Handles events for channel objects.
- */
- public class ChannelEventHandler extends EventHandler implements
- ChannelMessageListener, ChannelNamesListener, ChannelTopicListener,
- ChannelJoinListener, ChannelPartListener, ChannelKickListener,
- ChannelQuitListener, ChannelActionListener, ChannelNickChangeListener,
- ChannelModeChangeListener, ChannelUserModeChangeListener,
- ChannelCtcpListener, OtherAwayStateListener, ChannelNoticeListener,
- ChannelNonUserModeChangeListener, ChannelModeNoticeListener,
- ChannelListModeListener {
-
- /** The channel that owns this event handler. */
- private final Channel owner;
- /** Event bus to send events on. */
- private final DMDircMBassador eventBus;
- private final GroupChatUserManager groupChatUserManager;
-
- public ChannelEventHandler(final Channel owner, final DMDircMBassador eventBus,
- final GroupChatUserManager groupChatUserManager) {
- super(eventBus);
- this.owner = owner;
- this.eventBus = eventBus;
- this.groupChatUserManager = groupChatUserManager;
- }
-
- @SuppressWarnings("unchecked")
- @Override
- protected <T extends CallbackInterface> void addCallback(final CallbackManager cbm,
- final Class<T> type) {
- if (OtherAwayStateListener.class.equals(type)) {
- cbm.addCallback(type, (T) this);
- } else {
- cbm.addCallback(type, (T) this, owner.getChannelInfo().getName());
- }
- }
-
- @Nonnull
- @Override
- protected Connection getConnection() {
- return owner.getConnection().get();
- }
-
- /**
- * Determines if the specified client represents us.
- *
- * @param client The client to be tested
- *
- * @return True if the client is ourself, false otherwise.
- */
- protected boolean isMyself(final ChannelClientInfo client) {
- return getConnection().getParser().map(Parser::getLocalClient)
- .map(c -> client.getClient().equals(c)).orElse(false);
- }
-
- @Override
- public void onChannelMessage(final Parser parser, final Date date,
- final ChannelInfo channel, final ChannelClientInfo client,
- final String message, final String host) {
- checkParser(parser);
-
- final ChannelMessageEvent event = new ChannelMessageEvent(owner,
- groupChatUserManager.getUserFromClient(client, owner), message);
- final String format = EventUtils.postDisplayable(eventBus, event,
- isMyself(client) ? "channelSelfExternalMessage" : "channelMessage");
- owner.doNotification(date, format, client, message);
- }
-
- @Override
- public void onChannelGotNames(final Parser parser, final Date date, final ChannelInfo channel) {
- checkParser(parser);
-
- owner.setClients(channel.getChannelClients().stream()
- .map(client -> groupChatUserManager.getUserFromClient(client, owner))
- .collect(Collectors.toList()));
- eventBus.publishAsync(new ChannelGotnamesEvent(owner));
- }
-
- @Override
- public void onChannelTopic(final Parser parser, final Date date,
- final ChannelInfo channel, final boolean isJoinTopic) {
- checkParser(parser);
-
- final Topic topic = Topic.create(channel.getTopic(),
- owner.getUser(getConnection().getUser(channel.getTopicSetter())).orElse(null),
- channel.getTopicTime());
-
- if (isJoinTopic) {
- if (Strings.isNullOrEmpty(channel.getTopic())) {
- final ChannelNotopicEvent event = new ChannelNotopicEvent(owner);
- final String format = EventUtils.postDisplayable(eventBus, event, "channelNoTopic");
- owner.doNotification(date, format);
- } else {
- final ChannelGottopicEvent event = new ChannelGottopicEvent(owner, topic);
- final String format = EventUtils.postDisplayable(eventBus, event,
- "channelTopicDiscovered");
- owner.doNotification(date, format, topic);
- }
- } else {
- final ChannelDisplayableEvent event;
- final String format;
- if (Strings.isNullOrEmpty(channel.getTopic())) {
- event = new ChannelTopicChangeEvent(owner, topic);
- format = EventUtils.postDisplayable(eventBus, event,
- "channelTopicRemoved");
- } else {
- event = new ChannelTopicUnsetEvent(owner, owner.getUser(owner.getConnection().get()
- .getUser(channel.getTopicSetter())).orElse(null));
- format = EventUtils.postDisplayable(eventBus, event, "channelTopicChanged");
- }
- owner.doNotification(date, format, channel.getChannelClient(channel.getTopicSetter(),
- true), channel.getTopic());
- }
-
- final Optional<Topic> currentTopic = owner.getCurrentTopic();
- final boolean hasNewTopic = !Strings.isNullOrEmpty(channel.getTopic());
- if (!isJoinTopic
- || !currentTopic.isPresent() && hasNewTopic
- || currentTopic.isPresent() && !channel.getTopic().equals(
- owner.getCurrentTopic().get().getTopic())) {
- // Only add the topic if:
- // - It's being set while we're in the channel (rather than discovered on join), or
- // - We think the current topic is empty and are discovering a new one, or
- // - The newly discovered topic is different to what we thought the current topic was.
- owner.addTopic(topic);
- }
- }
-
- @Override
- public void onChannelJoin(final Parser parser, final Date date, final ChannelInfo channel,
- final ChannelClientInfo client) {
- checkParser(parser);
-
- final ChannelJoinEvent event = new ChannelJoinEvent(owner,
- groupChatUserManager.getUserFromClient(client, owner));
- final String format = EventUtils.postDisplayable(eventBus, event, "channelJoin");
- owner.doNotification(date, format, client);
- owner.addClient(groupChatUserManager.getUserFromClient(client, owner));
- }
-
- @Override
- public void onChannelPart(final Parser parser, final Date date, final ChannelInfo channel,
- final ChannelClientInfo client, final String reason) {
- checkParser(parser);
-
- final ChannelPartEvent event = new ChannelPartEvent(owner,
- groupChatUserManager.getUserFromClient(client, owner), reason);
- final String format = EventUtils.postDisplayable(eventBus, event,
- "channel"
- + (isMyself(client) ? "Self" : "") + "Part"
- + (reason.isEmpty() ? "" : "Reason"));
- owner.doNotification(date, format, client, reason);
- owner.removeClient(groupChatUserManager.getUserFromClient(client, owner));
- }
-
- @Override
- public void onChannelKick(final Parser parser, final Date date, final ChannelInfo channel,
- final ChannelClientInfo kickedClient, final ChannelClientInfo client,
- final String reason, final String host) {
- checkParser(parser);
-
- final ChannelKickEvent event = new ChannelKickEvent(owner,
- groupChatUserManager.getUserFromClient(client, owner),
- groupChatUserManager.getUserFromClient(kickedClient, owner), reason);
- final String format = EventUtils.postDisplayable(eventBus, event,
- "channelKick" + (reason.isEmpty() ? "" : "Reason"));
- owner.doNotification(date, format, client, kickedClient, reason);
- owner.removeClient(groupChatUserManager.getUserFromClient(kickedClient, owner));
- }
-
- @Override
- public void onChannelQuit(final Parser parser, final Date date, final ChannelInfo channel,
- final ChannelClientInfo client, final String reason) {
- checkParser(parser);
-
- final ChannelQuitEvent event = new ChannelQuitEvent(owner,
- groupChatUserManager.getUserFromClient(client, owner), reason);
- final String format = EventUtils.postDisplayable(eventBus, event,
- "channelQuit" + (reason.isEmpty() ? "" : "Reason"));
- owner.doNotification(date, format, client, reason);
- owner.removeClient(groupChatUserManager.getUserFromClient(client, owner));
- }
-
- @Override
- public void onChannelAction(final Parser parser, final Date date, final ChannelInfo channel,
- final ChannelClientInfo client, final String message,
- final String host) {
- checkParser(parser);
-
- final ChannelActionEvent event = new ChannelActionEvent(owner,
- groupChatUserManager.getUserFromClient(client, owner), message);
- final String format = EventUtils.postDisplayable(eventBus, event,
- isMyself(client) ? "channelSelfExternalAction" : "channelAction");
- owner.doNotification(date, format, client, message);
- }
-
- @Override
- public void onChannelNickChanged(final Parser parser, final Date date,
- final ChannelInfo channel, final ChannelClientInfo client, final String oldNick) {
- checkParser(parser);
-
- final ChannelNickchangeEvent event = new ChannelNickchangeEvent(owner,
- groupChatUserManager.getUserFromClient(client, owner), oldNick);
- final String format = EventUtils.postDisplayable(eventBus, event,
- isMyself(client) ? "channelSelfNickChange" : "channelNickChange");
- owner.doNotification(date, format, client, oldNick);
- owner.renameClient(oldNick, client.getClient().getNickname());
- }
-
- @Override
- public void onChannelModeChanged(final Parser parser, final Date date,
- final ChannelInfo channel, final ChannelClientInfo client, final String host,
- final String modes) {
- checkParser(parser);
-
- if (!owner.getConfigManager().getOptionBool("channel", "splitusermodes")
- || !owner.getConfigManager().getOptionBool("channel", "hideduplicatemodes")) {
- if (host.isEmpty()) {
- final ChannelModesdiscoveredEvent event = new ChannelModesdiscoveredEvent(owner,
- modes.length() <= 1 ? "" : modes);
- final String format = EventUtils.postDisplayable(eventBus, event,
- modes.length() <= 1 ? "channelNoModes" : "channelModeDiscovered");
- owner.doNotification(date, format, modes.length() <= 1 ? "" : modes);
- } else {
- final ChannelModechangeEvent event = new ChannelModechangeEvent(owner,
- groupChatUserManager.getUserFromClient(client, owner), modes);
- final String format = EventUtils.postDisplayable(eventBus, event,
- isMyself(client) ? "channelSelfModeChanged" : "channelModeChanged");
- owner.doNotification(date, format, client, modes);
- }
- }
-
- owner.refreshClients();
- }
-
- @Override
- public void onChannelUserModeChanged(final Parser parser, final Date date,
- final ChannelInfo channel, final ChannelClientInfo targetClient,
- final ChannelClientInfo client, final String host, final String mode) {
- checkParser(parser);
-
- if (owner.getConfigManager().getOptionBool("channel", "splitusermodes")) {
- String format = "channelSplitUserMode_" + mode;
-
- if (!owner.getConfigManager().hasOptionString("formatter", format)) {
- format = "channelSplitUserMode_default";
- }
-
- final ChannelUsermodechangeEvent event = new ChannelUsermodechangeEvent(owner,
- groupChatUserManager.getUserFromClient(client, owner),
- groupChatUserManager.getUserFromClient(targetClient, owner), mode);
- final String result = EventUtils.postDisplayable(eventBus, event, format);
- owner.doNotification(date, result, client, targetClient, mode);
- }
- }
-
- @Override
- public void onChannelCTCP(final Parser parser, final Date date,
- final ChannelInfo channel, final ChannelClientInfo client,
- final String type, final String message, final String host) {
- checkParser(parser);
-
- final ChannelCtcpEvent event = new ChannelCtcpEvent(owner,
- groupChatUserManager.getUserFromClient(client, owner),type, message);
- final String format = EventUtils.postDisplayable(eventBus, event, "channelCTCP");
- if (!event.isHandled()) {
- getConnection().sendCTCPReply(client.getClient().getNickname(), type, message);
- }
- owner.doNotification(date, format, client, type, message);
- }
-
- @Override
- public void onAwayStateOther(final Parser parser, final Date date,
- final ClientInfo client, final AwayState oldState, final AwayState state) {
- checkParser(parser);
-
- final Optional<GroupChatUser> channelClient
- = owner.getUser(owner.getConnection().get().getUser(client.getNickname()));
-
- if (channelClient.isPresent()) {
- final boolean away = state == AwayState.AWAY;
- final boolean discovered = oldState == AwayState.UNKNOWN;
-
- final ChannelUserEvent event = away
- ? new ChannelUserAwayEvent(date.getTime(), owner, channelClient.get())
- : new ChannelUserBackEvent(date.getTime(), owner, channelClient.get());
- final String format = EventUtils.postDisplayable(eventBus, event,
- (away ? "channelUserAway" : "channelUserBack")
- + (discovered ? "Discovered" : ""));
- owner.doNotification(date, format, channelClient);
-
- }
- }
-
- @Override
- public void onChannelNotice(final Parser parser, final Date date,
- final ChannelInfo channel, final ChannelClientInfo client,
- final String message, final String host) {
- checkParser(parser);
-
- final ChannelNoticeEvent event = new ChannelNoticeEvent(owner,
- groupChatUserManager.getUserFromClient(client, owner), message);
- final String format = EventUtils.postDisplayable(eventBus, event, "channelNotice");
- owner.doNotification(date, format, client, message);
- }
-
- @Override
- public void onChannelNonUserModeChanged(final Parser parser, final Date date,
- final ChannelInfo channel, final ChannelClientInfo client,
- final String host, final String modes) {
- checkParser(parser);
-
- if (owner.getConfigManager().getOptionBool("channel", "splitusermodes")
- && owner.getConfigManager().getOptionBool("channel", "hideduplicatemodes")) {
- if (host.isEmpty()) {
- final ChannelModesdiscoveredEvent event = new ChannelModesdiscoveredEvent(owner,
- modes.length() <= 1 ? "" : modes);
- final String format = EventUtils.postDisplayable(eventBus, event,
- modes.length() <= 1 ? "channelNoModes" : "channelModeDiscovered");
- owner.doNotification(date, format, modes.length() <= 1 ? "" : modes);
- } else {
- final ChannelModechangeEvent event = new ChannelModechangeEvent(owner,
- groupChatUserManager.getUserFromClient(client, owner), modes);
- final String format = EventUtils.postDisplayable(eventBus, event,
- isMyself(client) ? "channelSelfModeChanged" : "channelModeChanged");
- owner.doNotification(date, format, client, modes);
- }
- }
-
- owner.refreshClients();
- }
-
- @Override
- public void onChannelModeNotice(final Parser parser, final Date date,
- final ChannelInfo channel, final char prefix,
- final ChannelClientInfo client, final String message,
- final String host) {
- checkParser(parser);
-
- final ChannelModeNoticeEvent event = new ChannelModeNoticeEvent(owner,
- groupChatUserManager.getUserFromClient(client, owner), String.valueOf(prefix),
- message);
- final String format = EventUtils.postDisplayable(eventBus, event, "channelModeNotice");
- owner.doNotification(date, format, client, String.valueOf(prefix), message);
- }
-
- @Override
- public void onChannelGotListModes(final Parser parser, final Date date,
- final ChannelInfo channel, final char mode) {
- checkParser(parser);
-
- final ChannelListmodesretrievedEvent event = new ChannelListmodesretrievedEvent(owner, mode);
- final String format = EventUtils.postDisplayable(eventBus, event,
- "channelListModeRetrieved");
- owner.doNotification(date, format, mode);
- }
-
- }
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