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- /*
- * Copyright (c) 2006-2017 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.ChannelClosedEvent;
- import com.dmdirc.events.ChannelSelfActionEvent;
- import com.dmdirc.events.ChannelSelfJoinEvent;
- import com.dmdirc.events.ChannelSelfMessageEvent;
- import com.dmdirc.events.CommandErrorEvent;
- import com.dmdirc.events.NickListClientAddedEvent;
- import com.dmdirc.events.NickListClientRemovedEvent;
- import com.dmdirc.events.NickListClientsChangedEvent;
- import com.dmdirc.events.NickListUpdatedEvent;
- import com.dmdirc.interfaces.Connection;
- import com.dmdirc.interfaces.GroupChat;
- import com.dmdirc.interfaces.GroupChatUser;
- import com.dmdirc.interfaces.User;
- import com.dmdirc.interfaces.WindowModel;
- import com.dmdirc.config.provider.ConfigProviderMigrator;
- import com.dmdirc.parser.common.ChannelListModeItem;
- import com.dmdirc.parser.interfaces.ChannelClientInfo;
- import com.dmdirc.parser.interfaces.ChannelInfo;
- import com.dmdirc.parser.interfaces.Parser;
- import com.dmdirc.ui.core.components.WindowComponent;
- import com.dmdirc.ui.input.TabCompletionType;
- import com.dmdirc.ui.messages.BackBufferFactory;
- import com.dmdirc.ui.messages.StyledMessageUtils;
- import com.google.common.collect.EvictingQueue;
- import java.util.ArrayList;
- import java.util.Arrays;
- import java.util.Collection;
- import java.util.Collections;
- import java.util.List;
- import java.util.Optional;
- import java.util.Queue;
- import java.util.stream.Collectors;
- import javax.annotation.Nullable;
-
- /**
- * The Channel class represents the client's view of the channel. It handles callbacks for channel
- * events from the parser, maintains the corresponding ChannelWindow, and handles user input for the
- * channel.
- */
- public class Channel extends FrameContainer implements GroupChat {
-
- /** The parser's pChannel class. */
- private ChannelInfo channelInfo;
- /** The connection this channel is on. */
- private final Connection connection;
- /** A list of previous topics we've seen. */
- private final Queue<Topic> topics;
- /** Our event handler. */
- private final ChannelEventHandler eventHandler;
- /** The migrator to use to migrate our config provider. */
- private final ConfigProviderMigrator configMigrator;
- /** Manager used to retrieve {@link GroupChatUser}s */
- private final GroupChatUserManager groupChatUserManager;
- /** Whether we're currently in this channel or not. */
- private boolean isOnChannel;
- /** Reason for leaving the channel. */
- private PartReason partReason;
-
- /**
- * Creates a new instance of Channel.
- *
- * @param connection The connection object that this channel belongs to
- * @param newChannelInfo The parser's channel object that corresponds to this channel
- * @param configMigrator The config migrator which provides the config for this channel.
- */
- public Channel(
- final Connection connection,
- final ChannelInfo newChannelInfo,
- final ConfigProviderMigrator configMigrator,
- final BackBufferFactory backBufferFactory,
- final GroupChatUserManager groupChatUserManager) {
- super("channel-inactive",
- newChannelInfo.getName(),
- new StyledMessageUtils().stripControlCodes(newChannelInfo.getName()), // TODO: Inject this
- configMigrator.getConfigProvider(),
- backBufferFactory,
- connection.getWindowModel().getEventBus(),
- Arrays.asList(WindowComponent.TEXTAREA.getIdentifier(),
- WindowComponent.INPUTFIELD.getIdentifier(),
- WindowComponent.TOPICBAR.getIdentifier(),
- WindowComponent.USERLIST.getIdentifier()));
-
- this.configMigrator = configMigrator;
- this.channelInfo = newChannelInfo;
- this.connection = connection;
- this.groupChatUserManager = groupChatUserManager;
-
- topics = EvictingQueue.create(
- getConfigManager().getOptionInt("channel", "topichistorysize"));
-
- eventHandler = new ChannelEventHandler(this, getEventBus(), groupChatUserManager);
-
- initBackBuffer();
- registerCallbacks();
- updateTitle();
- }
-
- public ChannelInfo getChannelInfo() {
- return channelInfo;
- }
-
- @Override
- public boolean isOnChannel() {
- return isOnChannel;
- }
-
- @Override
- public PartReason getPartReason() {
- return partReason;
- }
-
- /**
- * Registers callbacks with the parser for this channel.
- */
- private void registerCallbacks() {
- eventHandler.registerCallbacks();
- configMigrator.migrate(connection.getProtocol(), connection.getIrcd(), connection.getNetwork(),
- connection.getAddress(), channelInfo.getName());
- }
-
- @Override
- public void sendLine(final String line) {
- if (connection.getState() != ServerState.CONNECTED
- || connection.getParser().get().getChannel(channelInfo.getName()) == null) {
- // We're not in the channel/connected to the server
- return;
- }
-
- final GroupChatUser me = getUser(connection.getLocalUser().get()).get();
- getInputModel().get()
- .splitLine(line)
- .stream()
- .filter(part -> !part.isEmpty())
- .forEach(part -> {
- getEventBus().publishAsync(new ChannelSelfMessageEvent(this, me, part));
- channelInfo.sendMessage(part);
- });
- }
-
- @Override
- public int getMaxLineLength() {
- return connection.getState() == ServerState.CONNECTED
- ? connection.getParser().get().getMaxLength("PRIVMSG", getChannelInfo().getName())
- : -1;
- }
-
- @Override
- public void sendAction(final String action) {
- if (connection.getState() != ServerState.CONNECTED
- || connection.getParser().get().getChannel(channelInfo.getName()) == null) {
- // We're not on the server/channel
- return;
- }
-
- if (connection.getParser().get().getMaxLength("PRIVMSG", getChannelInfo().getName())
- <= action.length()) {
- getEventBus().publishAsync(new CommandErrorEvent(this,
- "Warning: action too long to be sent"));
- } else {
- final GroupChatUser me = getUser(connection.getLocalUser().get()).get();
- getEventBus().publishAsync(new ChannelSelfActionEvent(this, me, action));
- channelInfo.sendAction(action);
- }
- }
-
- /**
- * Sets this object's ChannelInfo reference to the one supplied. This only needs to be done if
- * the channel window (and hence this channel object) has stayed open while the user has been
- * out of the channel.
- *
- * @param newChannelInfo The new ChannelInfo object
- */
- public void setChannelInfo(final ChannelInfo newChannelInfo) {
- channelInfo = newChannelInfo;
- registerCallbacks();
- }
-
- /**
- * Called when we join this channel. Just needs to output a message.
- */
- public void selfJoin() {
- isOnChannel = true;
-
- final User me = connection.getLocalUser().get();
- getEventBus().publishAsync(new ChannelSelfJoinEvent(this, me));
-
- setIcon("channel");
-
- connection.getInviteManager().removeInvites(channelInfo.getName());
- }
-
- /**
- * Updates the title of the channel window, and of the main window if appropriate.
- */
- private void updateTitle() {
- final StyledMessageUtils styleUtils = new StyledMessageUtils();
-
- String temp = styleUtils.stripControlCodes(channelInfo.getName());
- if (!channelInfo.getTopic().isEmpty()) {
- temp += " - " + styleUtils.stripControlCodes(channelInfo.getTopic());
- }
- setTitle(temp);
- }
-
- @Override
- public void join() {
- connection.getParser().get().joinChannel(channelInfo.getName());
- }
-
- @Override
- public void part(final String reason) {
- channelInfo.part(reason);
-
- resetWindow(PartReason.LOCAL_PART);
- }
-
- @Override
- public void retrieveListModes() {
- channelInfo.requestListModes();
- }
-
- /**
- * Resets the window state after the client has left a channel.
- */
- public void resetWindow(final PartReason reason) {
- if (isOnChannel) {
- partReason = reason;
- isOnChannel = false;
- }
-
- setIcon("channel-inactive");
-
- // Needs to be published synchronously so that nicklists are cleared before the parser
- // is disconnected (which happens synchronously after this method returns).
- getEventBus().publish(
- new NickListClientsChangedEvent(this, Collections.emptyList()));
- }
-
- @Override
- public void close() {
- super.close();
-
- // Remove any callbacks or listeners
- eventHandler.unregisterCallbacks();
-
- connection.getParser().map(Parser::getCallbackManager)
- .ifPresent(cm -> cm.unsubscribe(eventHandler));
-
- // Trigger any actions neccessary
- if (isOnChannel && connection.getState() != ServerState.CLOSING) {
- part(getConfigManager().getOption("general", "partmessage"));
- }
-
- // Trigger action for the window closing
- getEventBus().publish(new ChannelClosedEvent(this));
- }
-
- /**
- * Adds a ChannelClient to this Channel.
- *
- * @param client The client to be added
- */
- public void addClient(final GroupChatUser client) {
- getEventBus().publishAsync(new NickListClientAddedEvent(this, client));
-
- getInputModel().get().getTabCompleter().addEntry(
- TabCompletionType.CHANNEL_NICK, client.getNickname());
- }
-
- /**
- * Removes the specified ChannelClient from this channel.
- *
- * @param client The client to be removed
- */
- public void removeClient(final GroupChatUser client) {
- getEventBus().publishAsync(new NickListClientRemovedEvent(this, client));
-
- getInputModel().get().getTabCompleter().removeEntry(
- TabCompletionType.CHANNEL_NICK, client.getNickname());
-
- if (client.getUser().equals(connection.getLocalUser().orElse(null))) {
- resetWindow(PartReason.REMOTE_PART);
- }
- }
-
- /**
- * Replaces the list of known clients on this channel with the specified one.
- *
- * @param clients The list of clients to use
- */
- public void setClients(final Collection<GroupChatUser> clients) {
- getEventBus().publishAsync(new NickListClientsChangedEvent(this, clients));
-
- getInputModel().get().getTabCompleter().clear(TabCompletionType.CHANNEL_NICK);
-
- getInputModel().get().getTabCompleter().addEntries(
- TabCompletionType.CHANNEL_NICK,
- clients.stream().map(GroupChatUser::getNickname).collect(Collectors.toList()));
- }
-
- /**
- * Renames a client that is in this channel.
- *
- * @param oldName The old nickname of the client
- * @param newName The new nickname of the client
- */
- public void renameClient(final String oldName, final String newName) {
- getInputModel().get().getTabCompleter().removeEntry(
- TabCompletionType.CHANNEL_NICK, oldName);
- getInputModel().get().getTabCompleter().addEntry(
- TabCompletionType.CHANNEL_NICK, newName);
- refreshClients();
- }
-
- @Override
- public void refreshClients() {
- if (!isOnChannel) {
- return;
- }
-
- getEventBus().publishAsync(new NickListUpdatedEvent(this));
- }
-
- // ---------------------------------------------------- TOPIC HANDLING -----
- /**
- * Adds the specified topic to this channel's topic list.
- *
- * @param topic The topic to be added.
- */
- public void addTopic(final Topic topic) {
- synchronized (topics) {
- topics.add(topic);
- }
- updateTitle();
- }
-
- @Override
- public List<Topic> getTopics() {
- synchronized (topics) {
- return new ArrayList<>(topics);
- }
- }
-
- @Override
- public Optional<Topic> getCurrentTopic() {
- synchronized (topics) {
- if (topics.isEmpty()) {
- return Optional.empty();
- } else {
- return Optional.of(getTopics().get(topics.size() - 1));
- }
- }
- }
-
- // ------------------------------------------ PARSER METHOD DELEGATION -----
- @Override
- public void setTopic(final String topic) {
- channelInfo.setTopic(topic);
- }
-
- @Override
- public int getMaxTopicLength() {
- return connection.getParser().get().getMaxTopicLength();
- }
-
- @Override
- public Optional<Connection> getConnection() {
- return Optional.of(connection);
- }
-
- @Override
- public Optional<GroupChatUser> getUser(final User user) {
- final ChannelClientInfo ci = channelInfo.getChannelClient(((Client) user).getClientInfo());
- if (ci == null) {
- return Optional.empty();
- }
- return Optional.of(groupChatUserManager.getUserFromClient(ci, user, this));
- }
-
- @Override
- public Collection<GroupChatUser> getUsers() {
- return channelInfo.getChannelClients().stream()
- .map(client -> groupChatUserManager.getUserFromClient(client, this))
- .collect(Collectors.toList());
- }
-
- @Override
- public WindowModel getWindowModel() {
- return this;
- }
-
- @Override
- public void kick(final GroupChatUser user, final Optional<String> reason) {
- ((ChannelClient) user).getClientInfo().kick(
- reason.orElse(getConfigManager().getOption("general", "kickmessage")));
- }
-
- @Override
- public Collection<ChannelListModeItem> getListModeItems(final char mode) {
- return channelInfo.getListMode(mode);
- }
-
- @Override
- public void setMode(final char mode, @Nullable final String value) {
- channelInfo.alterMode(true, mode, value);
- }
-
- @Override
- public void removeMode(final char mode, final String value) {
- channelInfo.alterMode(false, mode, value);
- }
-
- @Override
- public void flushModes() {
- channelInfo.flushModes();
- }
-
- @Override
- public String getModes() {
- return channelInfo.getModes();
- }
-
- @Override
- public String getModeValue(final char mode) {
- return channelInfo.getMode(mode);
- }
-
- @Override
- public void requestUsersInfo() {
- channelInfo.sendWho();
- }
-
- }
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