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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.lists;
-
- import com.dmdirc.interfaces.Connection;
- import com.dmdirc.parser.common.ChannelJoinRequest;
- import com.dmdirc.parser.events.GroupListEndEvent;
- import com.dmdirc.parser.events.GroupListEntryEvent;
- import com.dmdirc.parser.events.GroupListStartEvent;
- import com.dmdirc.parser.interfaces.Parser;
- import com.dmdirc.util.collections.ListenerList;
- import com.dmdirc.util.collections.ObservableList;
- import com.dmdirc.util.collections.ObservableListDecorator;
-
- import java.util.LinkedList;
-
- import net.engio.mbassy.listener.Handler;
-
- /**
- * Manages a group list request.
- */
- public class GroupListManager {
-
- /** List of registered listeners. */
- private final ListenerList listenerList = new ListenerList();
- /** The connection to request group information from. */
- private final Connection connection;
- /** The cached groups. */
- private final ObservableList<GroupListEntry> groups = new ObservableListDecorator<>(
- new LinkedList<>());
-
- public GroupListManager(final Connection connection) {
- this.connection = connection;
- }
-
- public ObservableList<GroupListEntry> getGroups() {
- return groups;
- }
-
- /**
- * Starts a search with the given search terms.
- *
- * @param searchTerm The term to search for
- *
- * @see Parser#requestGroupList(String)
- */
- public void startSearch(final String searchTerm) {
- groups.clear();
-
- connection.getParser().ifPresent(p -> {
- p.getCallbackManager().subscribe(this);
- p.requestGroupList(searchTerm);
- });
- }
-
- @Handler
- public void onGroupListStart(final GroupListStartEvent event) {
- listenerList.getCallable(GroupListObserver.class).onGroupListStarted();
- }
-
- @Handler
- public void onGroupListEntry(final GroupListEntryEvent event) {
- groups.add(new GroupListEntry(event.getName(), event.getUsers(), event.getTopic()));
- }
-
- @Handler
- public void onGroupListEnd(final GroupListEndEvent event) {
- event.getParser().getCallbackManager().unsubscribe(this);
- listenerList.getCallable(GroupListObserver.class).onGroupListFinished();
- }
-
- /**
- * Joins a group list entry.
- *
- * @param entry Group list entry to join
- */
- public void joinGroupListEntry(final GroupListEntry entry) {
- connection.getGroupChatManager().join(new ChannelJoinRequest(entry.getName()));
- }
-
- /**
- * Adds an observer to this manager.
- *
- * @param observer The observer to be notified of group start/stop events.
- */
- public void addGroupListObserver(final GroupListObserver observer) {
- listenerList.add(GroupListObserver.class, observer);
- }
-
- /**
- * Removes an observer from this manager.
- *
- * @param observer The observer to be removed.
- */
- public void removeGroupListObserver(final GroupListObserver observer) {
- listenerList.remove(GroupListObserver.class, observer);
- }
-
- }
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