diff options
author | Bernd Lamecker <bernd.lamecker@basyskom.com> | 2014-09-17 15:30:36 +0200 |
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committer | Milian Wolff <milian.wolff@kdab.com> | 2014-10-10 15:34:27 +0200 |
commit | e9ec067e628564e0b065c625dcd7e695857706ac (patch) | |
tree | 70c63561996dd16f135eeb61b174b6994291d0e5 /examples/webchannel/chatserver-cpp/chatserver.h | |
parent | feb51b94457691edbc58a34a9ddaf8b20c316820 (diff) |
Added some more examples
Implemented a C++ Server, providing a chatservice through a simple
QObject using QWebChannel and also both a QML and HTML Client to
interact with the server.
The examples show how to use properties, signals and methods,
separated in server and clients.
Change-Id: I20c84c2104d0bb599ead1771aad499e59657f83e
Reviewed-by: Milian Wolff <milian.wolff@kdab.com>
Diffstat (limited to 'examples/webchannel/chatserver-cpp/chatserver.h')
-rw-r--r-- | examples/webchannel/chatserver-cpp/chatserver.h | 88 |
1 files changed, 88 insertions, 0 deletions
diff --git a/examples/webchannel/chatserver-cpp/chatserver.h b/examples/webchannel/chatserver-cpp/chatserver.h new file mode 100644 index 0000000..eba219a --- /dev/null +++ b/examples/webchannel/chatserver-cpp/chatserver.h @@ -0,0 +1,88 @@ +/**************************************************************************** +** +** Copyright (C) 2014 Klarälvdalens Datakonsult AB, a KDAB Group company, info@kdab.com, author Milian Wolff <milian.wolff@kdab.com> +** Contact: http://www.qt-project.org/legal +** +** This file is part of the QtWebChannel module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL21$ +** Commercial License Usage +** Licensees holding valid commercial Qt licenses may use this file in +** accordance with the commercial license agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. For licensing terms and +** conditions see http://qt.digia.com/licensing. For further information +** use the contact form at http://qt.digia.com/contact-us. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 2.1 or version 3 as published by the Free +** Software Foundation and appearing in the file LICENSE.LGPLv21 and +** LICENSE.LGPLv3 included in the packaging of this file. Please review the +** following information to ensure the GNU Lesser General Public License +** requirements will be met: https://www.gnu.org/licenses/lgpl.html and +** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** In addition, as a special exception, Digia gives you certain additional +** rights. These rights are described in the Digia Qt LGPL Exception +** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef ChatServer_H +#define ChatServer_H + +#include <QObject> +#include <QStringList> + +QT_BEGIN_NAMESPACE + +class QTimer; + +class ChatServer : public QObject +{ + Q_OBJECT + + Q_PROPERTY(QStringList userList READ userList NOTIFY userListChanged) + +public: + explicit ChatServer(QObject *parent = 0); + 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; +}; + +QT_END_NAMESPACE + +#endif // ChatServer_H |