| /**************************************************************************** |
| ** |
| ** Copyright (C) 2016 Klarälvdalens Datakonsult AB, a KDAB Group company, info@kdab.com, author Milian Wolff <milian.wolff@kdab.com> |
| ** Contact: https://www.qt.io/licensing/ |
| ** |
| ** This file is part of the QtWebChannel module of the Qt Toolkit. |
| ** |
| ** $QT_BEGIN_LICENSE:BSD$ |
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| ** |
| ** BSD License Usage |
| ** Alternatively, you may use this file under the terms of the BSD license |
| ** as follows: |
| ** |
| ** "Redistribution and use in source and binary forms, with or without |
| ** modification, are permitted provided that the following conditions are |
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| ****************************************************************************/ |
| |
| #ifndef CHATSERVER_H |
| #define CHATSERVER_H |
| |
| #include <QObject> |
| #include <QStringList> |
| |
| QT_BEGIN_NAMESPACE |
| class QTimer; |
| QT_END_NAMESPACE |
| |
| class ChatServer : public QObject |
| { |
| Q_OBJECT |
| |
| Q_PROPERTY(QStringList userList READ userList NOTIFY userListChanged) |
| |
| public: |
| explicit ChatServer(QObject *parent = nullptr); |
| virtual ~ChatServer(); |
| |
| public: |
| //a user logs in with the given username |
| Q_INVOKABLE bool login(const QString &userName); |
| |
| //the user logs out, will be removed from userlist immediately |
| Q_INVOKABLE bool logout(const QString &userName); |
| |
| //a user sends a message to all other users |
| Q_INVOKABLE bool sendMessage(const QString &user, const QString &msg); |
| |
| //response of the keep alive signal from a client. |
| // This is used to detect disconnects. |
| Q_INVOKABLE void keepAliveResponse(const QString &user); |
| |
| QStringList userList() const; |
| |
| protected slots: |
| void sendKeepAlive(); |
| void checkKeepAliveResponses(); |
| |
| signals: |
| void newMessage(QString time, QString user, QString msg); |
| void keepAlive(); |
| void userListChanged(); |
| void userCountChanged(); |
| |
| private: |
| QStringList m_userList; |
| QStringList m_stillAliveUsers; |
| QTimer *m_keepAliveCheckTimer; |
| }; |
| |
| #endif // CHATSERVER_H |