/****************************************************************************
**
-** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
+** Copyright (C) 2014 Kurt Pattyn <pattyn.kurt@gmail.com>.
** Contact: http://www.qt-project.org/legal
**
** This file is part of the QtWebSockets module of the Qt Toolkit.
**
-** $QT_BEGIN_LICENSE:LGPL$
+** $QT_BEGIN_LICENSE:LGPL21$
** 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
+** 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 as published by the Free Software
-** Foundation and appearing in the file LICENSE.LGPL included in the
-** packaging of this file. Please review the following information to
-** ensure the GNU Lesser General Public License version 2.1 requirements
-** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+** 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
+** rights. These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
-** GNU General Public License Usage
-** Alternatively, this file may be used under the terms of the GNU
-** General Public License version 3.0 as published by the Free Software
-** Foundation and appearing in the file LICENSE.GPL included in the
-** packaging of this file. Please review the following information to
-** ensure the GNU General Public License version 3.0 requirements will be
-** met: http://www.gnu.org/copyleft/gpl.html.
-**
-**
** $QT_END_LICENSE$
**
****************************************************************************/
\instantiates QQmlWebSocket
\inqmlmodule Qt.WebSockets
+ \ingroup websockets-qml
\brief QML interface to QWebSocket.
- WebSockets is a web technology providing full-duplex communications channels over a single TCP connection.
- The WebSocket protocol was standardized by the IETF as RFC 6455 in 2011 (see http://tools.ietf.org/html/rfc6455).
+ WebSockets is a web technology providing full-duplex communications channels over a
+ single TCP connection.
+ The WebSocket protocol was standardized by the IETF as
+ \l {http://tools.ietf.org/html/rfc6455} {RFC 6455} in 2011.
*/
/*!
- \qmlproperty url QQmlWebSocket::url
- Server url to connect to. The url must have one of 2 schemes: {ws://} or {wss://}.
- When not supplied, then {ws://} is used.
+ \qmlproperty QUrl WebSocket::url
+ Server url to connect to. The url must have one of 2 schemes: \e ws:// or \e wss://.
+ When not supplied, then \e ws:// is used.
+ */
+
+/*!
+ \qmlproperty Status WebSocket::status
+ Status of the WebSocket.
+
+ The status can have the following values:
+ \list
+ \li WebSockets.Connecting
+ \li WebSockets.Open
+ \li WebSockets.Closing
+ \li WebSockets.Closed
+ \li WebSockets.Error
+ \endlist
+ */
+
+/*!
+ \qmlproperty QString WebSocket::errorString
+ Contains a description of the last error that occurred. When no error occurrred,
+ this string is empty.
+ */
+
+/*!
+ \qmlproperty bool WebSocket::active
+ When set to true, a connection is made to the server with the given url.
+ When set to false, the connection is closed.
+ The default value is false.
+ */
+
+/*!
+ \qmlsignal WebSocket::textMessageReceived(QString message)
+ This signal is emitted when a text message is received.
+ */
+
+/*!
+ \qmlsignal WebSocket::statusChanged(Status status)
+ This signal is emitted when the status of the WebSocket changes.
+ the \l {WebSocket::status}{status} argument provides the current status.
+
+ \sa WebSocket::status
+ */
+
+/*!
+ \qmlmethod void WebSocket::sendTextMessage(string message)
+ Sends \c message to the server.
*/
#include "qqmlwebsocket.h"
#include <QtWebSockets/QWebSocket>
+QT_BEGIN_NAMESPACE
+
QQmlWebSocket::QQmlWebSocket(QObject *parent) :
QObject(parent),
m_webSocket(),
{
}
+QQmlWebSocket::QQmlWebSocket(QWebSocket *socket, QObject *parent) :
+ QObject(parent),
+ m_status(Closed),
+ m_url(socket->requestUrl()),
+ m_isActive(true),
+ m_componentCompleted(true),
+ m_errorString(socket->errorString())
+{
+ setSocket(socket);
+ onStateChanged(socket->state());
+}
+
QQmlWebSocket::~QQmlWebSocket()
{
}
-void QQmlWebSocket::sendTextMessage(const QString &message)
+qint64 QQmlWebSocket::sendTextMessage(const QString &message)
{
if (m_status != Open) {
- setErrorString(tr("Messages can only be send when the socket has Open status."));
+ setErrorString(tr("Messages can only be sent when the socket is open."));
setStatus(Error);
- return;
+ return 0;
}
- m_webSocket->write(message);
+ return m_webSocket->sendTextMessage(message);
}
QUrl QQmlWebSocket::url() const
void QQmlWebSocket::componentComplete()
{
- m_webSocket.reset(new QWebSocket());
- connect(m_webSocket.data(), SIGNAL(textMessageReceived(QString)), this, SIGNAL(textMessageReceived(QString)));
- connect(m_webSocket.data(), SIGNAL(error(QAbstractSocket::SocketError)), this, SLOT(onError(QAbstractSocket::SocketError)));
- connect(m_webSocket.data(), SIGNAL(stateChanged(QAbstractSocket::SocketState)), this, SLOT(onStateChanged(QAbstractSocket::SocketState)));
+ setSocket(new QWebSocket);
m_componentCompleted = true;
open();
}
+void QQmlWebSocket::setSocket(QWebSocket *socket)
+{
+ m_webSocket.reset(socket);
+ if (m_webSocket) {
+ // explicit ownership via QScopedPointer
+ m_webSocket->setParent(Q_NULLPTR);
+ connect(m_webSocket.data(), &QWebSocket::textMessageReceived,
+ this, &QQmlWebSocket::textMessageReceived);
+ typedef void (QWebSocket::* ErrorSignal)(QAbstractSocket::SocketError);
+ connect(m_webSocket.data(), static_cast<ErrorSignal>(&QWebSocket::error),
+ this, &QQmlWebSocket::onError);
+ connect(m_webSocket.data(), &QWebSocket::stateChanged,
+ this, &QQmlWebSocket::onStateChanged);
+ }
+}
+
void QQmlWebSocket::onError(QAbstractSocket::SocketError error)
{
Q_UNUSED(error)
void QQmlWebSocket::open()
{
- if (m_componentCompleted && m_isActive && m_url.isValid() && m_webSocket) {
+ if (m_componentCompleted && m_isActive && m_url.isValid() && Q_LIKELY(m_webSocket)) {
m_webSocket->open(m_url);
}
}
void QQmlWebSocket::close()
{
- if (m_componentCompleted && m_webSocket) {
+ if (m_componentCompleted && Q_LIKELY(m_webSocket)) {
m_webSocket->close();
}
}
m_errorString = errorString;
Q_EMIT errorStringChanged(m_errorString);
}
+
+QT_END_NAMESPACE