254 lines
9.4 KiB
C++
254 lines
9.4 KiB
C++
/*
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* Copyright 2004 The WebRTC Project Authors. All rights reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#ifndef WEBRTC_LIBJINGLE_XMPP_CHATROOMMODULE_H_
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#define WEBRTC_LIBJINGLE_XMPP_CHATROOMMODULE_H_
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#include "webrtc/libjingle/xmpp/module.h"
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#include "webrtc/libjingle/xmpp/rostermodule.h"
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namespace buzz {
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// forward declarations
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class XmppChatroomModule;
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class XmppChatroomHandler;
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class XmppChatroomMember;
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class XmppChatroomMemberEnumerator;
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enum XmppChatroomState {
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XMPP_CHATROOM_STATE_NOT_IN_ROOM = 0,
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XMPP_CHATROOM_STATE_REQUESTED_ENTER = 1,
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XMPP_CHATROOM_STATE_IN_ROOM = 2,
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XMPP_CHATROOM_STATE_REQUESTED_EXIT = 3,
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};
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//! Module that encapsulates a chatroom.
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class XmppChatroomModule : public XmppModule {
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public:
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//! Creates a new XmppChatroomModule
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static XmppChatroomModule* Create();
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virtual ~XmppChatroomModule() {}
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//! Sets the chatroom handler (callbacks) for the chatroom
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virtual XmppReturnStatus set_chatroom_handler(XmppChatroomHandler* handler) = 0;
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//! Gets the chatroom handler for the module
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virtual XmppChatroomHandler* chatroom_handler() = 0;
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//! Sets the jid of the chatroom.
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//! Has to be set before entering the chatroom and can't be changed
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//! while in the chatroom
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virtual XmppReturnStatus set_chatroom_jid(const Jid& chatroom_jid) = 0;
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//! The jid for the chatroom
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virtual const Jid& chatroom_jid() const = 0;
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//! Sets the nickname of the member
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//! Has to be set before entering the chatroom and can't be changed
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//! while in the chatroom
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virtual XmppReturnStatus set_nickname(const std::string& nickname) = 0;
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//! The nickname of the member in the chatroom
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virtual const std::string& nickname() const = 0;
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//! Returns the jid of the member (this is the chatroom_jid plus the
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//! nickname as the resource name)
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virtual const Jid member_jid() const = 0;
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//! Requests that the user enter a chatroom
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//! The EnterChatroom callback will be called when the request is complete.
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//! Password should be empty for a room that doesn't require a password
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//! If the room doesn't exist, the server will create an "Instant Room" if the
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//! server policy supports this action.
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//! There will be different methods for creating/configuring a "Reserved Room"
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//! Async callback for this method is ChatroomEnteredStatus
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virtual XmppReturnStatus RequestEnterChatroom(const std::string& password,
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const std::string& client_version,
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const std::string& locale) = 0;
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//! Requests that the user exit a chatroom
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//! Async callback for this method is ChatroomExitedStatus
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virtual XmppReturnStatus RequestExitChatroom() = 0;
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//! Requests a status change
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//! status is the standard XMPP status code
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//! extended_status is the extended status when status is XMPP_PRESENCE_XA
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virtual XmppReturnStatus RequestConnectionStatusChange(
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XmppPresenceConnectionStatus connection_status) = 0;
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//! Returns the number of members in the room
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virtual size_t GetChatroomMemberCount() = 0;
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//! Gets an enumerator for the members in the chatroom
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//! The caller must delete the enumerator when the caller is finished with it.
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//! The caller must also ensure that the lifetime of the enumerator is
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//! scoped by the XmppChatRoomModule that created it.
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virtual XmppReturnStatus CreateMemberEnumerator(XmppChatroomMemberEnumerator** enumerator) = 0;
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//! Gets the subject of the chatroom
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virtual const std::string subject() = 0;
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//! Returns the current state of the user with respect to the chatroom
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virtual XmppChatroomState state() = 0;
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virtual XmppReturnStatus SendMessage(const XmlElement& message) = 0;
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};
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//! Class for enumerating participatns
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class XmppChatroomMemberEnumerator {
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public:
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virtual ~XmppChatroomMemberEnumerator() { }
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//! Returns the member at the current position
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//! Returns null if the enumerator is before the beginning
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//! or after the end of the collection
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virtual XmppChatroomMember* current() = 0;
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//! Returns whether the enumerator is valid
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//! This returns true if the collection has changed
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//! since the enumerator was created
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virtual bool IsValid() = 0;
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//! Returns whether the enumerator is before the beginning
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//! This is the initial state of the enumerator
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virtual bool IsBeforeBeginning() = 0;
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//! Returns whether the enumerator is after the end
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virtual bool IsAfterEnd() = 0;
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//! Advances the enumerator to the next position
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//! Returns false is the enumerator is advanced
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//! off the end of the collection
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virtual bool Next() = 0;
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//! Advances the enumerator to the previous position
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//! Returns false is the enumerator is advanced
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//! off the end of the collection
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virtual bool Prev() = 0;
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};
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//! Represents a single member in a chatroom
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class XmppChatroomMember {
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public:
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virtual ~XmppChatroomMember() { }
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//! The jid for the member in the chatroom
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virtual const Jid member_jid() const = 0;
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//! The full jid for the member
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//! This is only available in non-anonymous rooms.
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//! If the room is anonymous, this returns JID_EMPTY
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virtual const Jid full_jid() const = 0;
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//! Returns the backing presence for this member
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virtual const XmppPresence* presence() const = 0;
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//! The nickname for this member
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virtual const std::string name() const = 0;
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};
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//! Status codes for ChatroomEnteredStatus callback
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enum XmppChatroomEnteredStatus
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{
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//! User successfully entered the room
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XMPP_CHATROOM_ENTERED_SUCCESS = 0,
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//! The nickname confliced with somebody already in the room
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XMPP_CHATROOM_ENTERED_FAILURE_NICKNAME_CONFLICT = 1,
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//! A password is required to enter the room
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XMPP_CHATROOM_ENTERED_FAILURE_PASSWORD_REQUIRED = 2,
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//! The specified password was incorrect
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XMPP_CHATROOM_ENTERED_FAILURE_PASSWORD_INCORRECT = 3,
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//! The user is not a member of a member-only room
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XMPP_CHATROOM_ENTERED_FAILURE_NOT_A_MEMBER = 4,
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//! The user cannot enter because the user has been banned
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XMPP_CHATROOM_ENTERED_FAILURE_MEMBER_BANNED = 5,
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//! The room has the maximum number of users already
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XMPP_CHATROOM_ENTERED_FAILURE_MAX_USERS = 6,
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//! The room has been locked by an administrator
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XMPP_CHATROOM_ENTERED_FAILURE_ROOM_LOCKED = 7,
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//! Someone in the room has blocked you
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XMPP_CHATROOM_ENTERED_FAILURE_MEMBER_BLOCKED = 8,
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//! You have blocked someone in the room
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XMPP_CHATROOM_ENTERED_FAILURE_MEMBER_BLOCKING = 9,
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//! Client is old. User must upgrade to a more recent version for
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// hangouts to work.
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XMPP_CHATROOM_ENTERED_FAILURE_OUTDATED_CLIENT = 10,
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//! Some other reason
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XMPP_CHATROOM_ENTERED_FAILURE_UNSPECIFIED = 2000,
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};
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//! Status codes for ChatroomExitedStatus callback
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enum XmppChatroomExitedStatus
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{
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//! The user requested to exit and did so
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XMPP_CHATROOM_EXITED_REQUESTED = 0,
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//! The user was banned from the room
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XMPP_CHATROOM_EXITED_BANNED = 1,
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//! The user has been kicked out of the room
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XMPP_CHATROOM_EXITED_KICKED = 2,
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//! The user has been removed from the room because the
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//! user is no longer a member of a member-only room
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//! or the room has changed to membership-only
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XMPP_CHATROOM_EXITED_NOT_A_MEMBER = 3,
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//! The system is shutting down
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XMPP_CHATROOM_EXITED_SYSTEM_SHUTDOWN = 4,
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//! For some other reason
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XMPP_CHATROOM_EXITED_UNSPECIFIED = 5,
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};
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//! The XmppChatroomHandler is the interface for callbacks from the
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//! the chatroom
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class XmppChatroomHandler {
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public:
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virtual ~XmppChatroomHandler() {}
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//! Indicates the response to RequestEnterChatroom method
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//! XMPP_CHATROOM_SUCCESS represents success.
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//! Other status codes are for errors
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virtual void ChatroomEnteredStatus(XmppChatroomModule* room,
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const XmppPresence* presence,
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XmppChatroomEnteredStatus status) = 0;
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//! Indicates that the user has exited the chatroom, either due to
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//! a call to RequestExitChatroom or for some other reason.
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//! status indicates the reason the user exited
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virtual void ChatroomExitedStatus(XmppChatroomModule* room,
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XmppChatroomExitedStatus status) = 0;
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//! Indicates a member entered the room.
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//! It can be called before ChatroomEnteredStatus.
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virtual void MemberEntered(XmppChatroomModule* room,
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const XmppChatroomMember* entered_member) = 0;
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//! Indicates that a member exited the room.
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virtual void MemberExited(XmppChatroomModule* room,
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const XmppChatroomMember* exited_member) = 0;
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//! Indicates that the data for the member has changed
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//! (such as the nickname or presence)
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virtual void MemberChanged(XmppChatroomModule* room,
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const XmppChatroomMember* changed_member) = 0;
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//! Indicates a new message has been received
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//! message is the message -
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// $TODO - message should be changed
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//! to a strongly-typed message class that contains info
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//! such as the sender, message bodies, etc.,
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virtual void MessageReceived(XmppChatroomModule* room,
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const XmlElement& message) = 0;
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};
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}
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#endif // WEBRTC_LIBJINGLE_XMPP_CHATROOMMODULE_H_
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