/**
* Leaves the given chat room.
*
* @param chatRoomWrapper the chat room to leave.
* @return <tt>ChatRoomWrapper</tt> instance associated with the chat room.
*/
public ChatRoomWrapper leaveChatRoom(ChatRoomWrapper chatRoomWrapper) {
ChatRoom chatRoom = chatRoomWrapper.getChatRoom();
if (chatRoom == null) {
ResourceManagementService resources = MUCActivator.getResources();
MUCActivator.getAlertUIService()
.showAlertDialog(
resources.getI18NString("service.gui.WARNING"),
resources.getI18NString("service.gui.CHAT_ROOM_LEAVE_NOT_CONNECTED"));
return null;
}
if (chatRoom.isJoined()) chatRoom.leave();
ChatRoomWrapper existChatRoomWrapper = chatRoomList.findChatRoomWrapperFromChatRoom(chatRoom);
if (existChatRoomWrapper == null) return null;
// We save the choice of the user, before the chat room is really
// joined, because even the join fails we want the next time when
// we login to join this chat room automatically.
ConfigurationUtils.updateChatRoomStatus(
chatRoomWrapper.getParentProvider().getProtocolProvider(),
chatRoomWrapper.getChatRoomID(),
GlobalStatusEnum.OFFLINE_STATUS);
return existChatRoomWrapper;
}
/**
* Checks if the menu item should be enabled or disabled.
*
* @param contact the contact associated with the menu item.
* @return <tt>true</tt> if the item should be enabled and <tt>false</tt> if not.
*/
public boolean check(SourceContact contact) {
ChatRoomWrapper chatRoomWrapper =
MUCActivator.getMUCService().findChatRoomWrapperFromSourceContact(contact);
ChatRoom chatRoom = null;
if (chatRoomWrapper != null) {
chatRoom = chatRoomWrapper.getChatRoom();
}
if ((chatRoom != null) && chatRoom.isJoined()) return false;
return true;
}
/**
* Determines whether a specific <code>ChatRoom</code> is private i.e. represents a one-to-one
* conversation which is not a channel. Since the interface {@link ChatRoom} does not expose the
* private property, an heuristic is used as a workaround: (1) a system <code>ChatRoom</code> is
* obviously not private and (2) a <code>ChatRoom</code> is private if it has only one <code>
* ChatRoomMember</code> who is not the local user.
*
* @param chatRoom the <code>ChatRoom</code> to be determined as private or not
* @return <tt>true</tt> if the specified <code>ChatRoom</code> is private; otherwise,
* <tt>false</tt>
*/
public static boolean isPrivate(ChatRoom chatRoom) {
if (!chatRoom.isSystem() && chatRoom.isJoined() && (chatRoom.getMembersCount() == 1)) {
String nickname = chatRoom.getUserNickname();
if (nickname != null) {
for (ChatRoomMember member : chatRoom.getMembers())
if (nickname.equals(member.getName())) return false;
return true;
}
}
return false;
}