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>

6 files changed, 6 insertions, 301 deletions

diff --git a/examples/webchannel/standalone/main.cpp b/examples/webchannel/standalone/main.cpp
index 6f0db3a..201c4cd 100644
--- a/examples/webchannel/standalone/main.cpp
+++ b/examples/webchannel/standalone/main.cpp
@@ -42,8 +42,8 @@
 
 #include <QtWebSockets/QWebSocketServer>
 
-#include "websocketclientwrapper.h"
-#include "websockettransport.h"
+#include "../shared/websocketclientwrapper.h"
+#include "../shared/websockettransport.h"
 
 #include "ui_dialog.h"
 
diff --git a/examples/webchannel/standalone/standalone.pro b/examples/webchannel/standalone/standalone.pro
index fdeb87a..19aa264 100644
--- a/examples/webchannel/standalone/standalone.pro
+++ b/examples/webchannel/standalone/standalone.pro
@@ -4,12 +4,12 @@ CONFIG += warn_on
 
 SOURCES += \
     main.cpp \
-    websockettransport.cpp \
-    websocketclientwrapper.cpp
+    ../shared/websockettransport.cpp \
+    ../shared/websocketclientwrapper.cpp
 
 HEADERS += \
-    websockettransport.h \
-    websocketclientwrapper.h
+    ../shared/websockettransport.h \
+    ../shared/websocketclientwrapper.h
 
 FORMS += \
     dialog.ui
diff --git a/examples/webchannel/standalone/websocketclientwrapper.cpp b/examples/webchannel/standalone/websocketclientwrapper.cpp
deleted file mode 100644
index 68ff1c0..0000000
--- a/examples/webchannel/standalone/websocketclientwrapper.cpp
+++ /dev/null
@@ -1,72 +0,0 @@
-/****************************************************************************
-**
-** 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.
-**
-** $QT_END_LICENSE$
-**
-****************************************************************************/
-
-#include "websocketclientwrapper.h"
-
-#include <QtWebSockets/QWebSocketServer>
-
-#include "websockettransport.h"
-
-/*!
-    \brief Wrapps connected QWebSockets clients in WebSocketTransport objects.
-
-    This code is all that is required to connect incoming WebSockets to the WebChannel. Any kind
-    of remote JavaScript client that supports WebSockets can thus receive messages and access the
-    published objects.
-*/
-
-QT_BEGIN_NAMESPACE
-
-/*!
-    Construct the client wrapper with the given parent.
-
-    All clients connecting to the QWebSocketServer will be automatically wrapped
-    in WebSocketTransport objects.
-*/
-WebSocketClientWrapper::WebSocketClientWrapper(QWebSocketServer *server, QObject *parent)
-    : QObject(parent)
-    , m_server(server)
-{
-    connect(server, &QWebSocketServer::newConnection,
-            this, &WebSocketClientWrapper::handleNewConnection);
-}
-
-/*!
-    Wrap an incoming WebSocket connection in a WebSocketTransport object.
-*/
-void WebSocketClientWrapper::handleNewConnection()
-{
-    emit clientConnected(new WebSocketTransport(m_server->nextPendingConnection()));
-}
-
-QT_END_NAMESPACE
diff --git a/examples/webchannel/standalone/websocketclientwrapper.h b/examples/webchannel/standalone/websocketclientwrapper.h
deleted file mode 100644
index f49b8b9..0000000
--- a/examples/webchannel/standalone/websocketclientwrapper.h
+++ /dev/null
@@ -1,63 +0,0 @@
-/****************************************************************************
-**
-** 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 WEBSOCKETTRANSPORTSERVER_H
-#define WEBSOCKETTRANSPORTSERVER_H
-
-#include <QObject>
-
-QT_BEGIN_NAMESPACE
-
-class QWebSocketServer;
-class WebSocketTransport;
-
-class WebSocketClientWrapper : public QObject
-{
-    Q_OBJECT
-
-public:
-    WebSocketClientWrapper(QWebSocketServer *server, QObject *parent = 0);
-
-Q_SIGNALS:
-    void clientConnected(WebSocketTransport* client);
-
-private Q_SLOTS:
-    void handleNewConnection();
-
-private:
-    QWebSocketServer *m_server;
-};
-
-QT_END_NAMESPACE
-
-#endif // WEBSOCKETTRANSPORTSERVER_H
diff --git a/examples/webchannel/standalone/websockettransport.cpp b/examples/webchannel/standalone/websockettransport.cpp
deleted file mode 100644
index 266563a..0000000
--- a/examples/webchannel/standalone/websockettransport.cpp
+++ /dev/null
@@ -1,100 +0,0 @@
-/****************************************************************************
-**
-** 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.
-**
-** $QT_END_LICENSE$
-**
-****************************************************************************/
-
-#include "websockettransport.h"
-
-#include <QJsonDocument>
-#include <QJsonObject>
-#include <QDebug>
-
-#include <QtWebSockets/QWebSocket>
-
-/*!
-    \brief QWebChannelAbstractSocket implementation that uses a QWebSocket internally.
-
-    The transport delegates all messages received over the QWebSocket over its
-    textMessageReceived signal. Analogously, all calls to sendTextMessage will
-    be send over the QWebSocket to the remote client.
-*/
-
-QT_BEGIN_NAMESPACE
-
-/*!
-    Construct the transport object and wrap the given socket.
-
-    The socket is also set as the parent of the transport object.
-*/
-WebSocketTransport::WebSocketTransport(QWebSocket *socket)
-: QWebChannelAbstractTransport(socket)
-, m_socket(socket)
-{
-    connect(socket, &QWebSocket::textMessageReceived,
-            this, &WebSocketTransport::textMessageReceived);
-}
-
-/*!
-    Destroys the WebSocketTransport.
-*/
-WebSocketTransport::~WebSocketTransport()
-{
-
-}
-
-/*!
-    Serialize the JSON message and send it as a text message via the WebSocket to the client.
-*/
-void WebSocketTransport::sendMessage(const QJsonObject &message)
-{
-    QJsonDocument doc(message);
-    m_socket->sendTextMessage(QString::fromUtf8(doc.toJson(QJsonDocument::Compact)));
-}
-
-/*!
-    Deserialize the stringified JSON messageData and emit messageReceived.
-*/
-void WebSocketTransport::textMessageReceived(const QString &messageData)
-{
-    QJsonParseError error;
-    QJsonDocument message = QJsonDocument::fromJson(messageData.toUtf8(), &error);
-    if (error.error) {
-        qWarning() << "Failed to parse text message as JSON object:" << messageData
-                   << "Error is:" << error.errorString();
-        return;
-    } else if (!message.isObject()) {
-        qWarning() << "Received JSON message that is not an object: " << messageData;
-        return;
-    }
-    emit messageReceived(message.object(), this);
-}
-
-QT_END_NAMESPACE
diff --git a/examples/webchannel/standalone/websockettransport.h b/examples/webchannel/standalone/websockettransport.h
deleted file mode 100644
index 4d4a6cd..0000000
--- a/examples/webchannel/standalone/websockettransport.h
+++ /dev/null
@@ -1,60 +0,0 @@
-/****************************************************************************
-**
-** 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 WEBSOCKETTRANSPORT_H
-#define WEBSOCKETTRANSPORT_H
-
-#include <QtWebChannel/QWebChannelAbstractTransport>
-
-QT_BEGIN_NAMESPACE
-
-class QWebSocket;
-class WebSocketTransport : public QWebChannelAbstractTransport
-{
-    Q_OBJECT
-public:
-    explicit WebSocketTransport(QWebSocket *socket);
-    virtual ~WebSocketTransport();
-
-    void sendMessage(const QJsonObject &message) Q_DECL_OVERRIDE;
-
-private Q_SLOTS:
-    void textMessageReceived(const QString &message);
-
-private:
-    QWebSocket *m_socket;
-};
-
-QT_END_NAMESPACE
-
-#endif // WEBSOCKETTRANSPORT_H