diff -r b72c6db6890b -r 5dc02b23752f src/declarative/debugger/qdeclarativedebugclient.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/declarative/debugger/qdeclarativedebugclient.cpp	Tue Jul 06 15:10:48 2010 +0300
@@ -0,0 +1,207 @@
+/****************************************************************************
+**
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the QtDeclarative module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** 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.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights.  These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "private/qdeclarativedebugclient_p.h"
+
+#include "private/qpacketprotocol_p.h"
+
+#include <QtCore/qdebug.h>
+#include <QtCore/qstringlist.h>
+
+#include <private/qobject_p.h>
+
+QT_BEGIN_NAMESPACE
+
+class QDeclarativeDebugConnectionPrivate : public QObject
+{
+    Q_OBJECT
+public:
+    QDeclarativeDebugConnectionPrivate(QDeclarativeDebugConnection *c);
+    QDeclarativeDebugConnection *q;
+    QPacketProtocol *protocol;
+
+    QStringList enabled;
+    QHash<QString, QDeclarativeDebugClient *> plugins;
+public Q_SLOTS:
+    void connected();
+    void readyRead();
+};
+
+QDeclarativeDebugConnectionPrivate::QDeclarativeDebugConnectionPrivate(QDeclarativeDebugConnection *c)
+: QObject(c), q(c), protocol(0)
+{
+    protocol = new QPacketProtocol(q, this);
+    QObject::connect(c, SIGNAL(connected()), this, SLOT(connected()));
+    QObject::connect(protocol, SIGNAL(readyRead()), this, SLOT(readyRead()));
+}
+
+void QDeclarativeDebugConnectionPrivate::connected()
+{
+    QPacket pack;
+    pack << QString(QLatin1String("QDeclarativeDebugServer")) << enabled;
+    protocol->send(pack);
+}
+
+void QDeclarativeDebugConnectionPrivate::readyRead()
+{
+    QPacket pack = protocol->read();
+    QString name; QByteArray message;
+    pack >> name >> message;
+
+    QHash<QString, QDeclarativeDebugClient *>::Iterator iter = 
+        plugins.find(name);
+    if (iter == plugins.end()) {
+        qWarning() << "QDeclarativeDebugConnection: Message received for missing plugin" << name;
+    } else {
+        (*iter)->messageReceived(message);
+    }
+}
+
+QDeclarativeDebugConnection::QDeclarativeDebugConnection(QObject *parent)
+: QTcpSocket(parent), d(new QDeclarativeDebugConnectionPrivate(this))
+{
+}
+
+bool QDeclarativeDebugConnection::isConnected() const
+{
+    return state() == ConnectedState;
+}
+
+class QDeclarativeDebugClientPrivate : public QObjectPrivate
+{
+    Q_DECLARE_PUBLIC(QDeclarativeDebugClient)
+public:
+    QDeclarativeDebugClientPrivate();
+
+    QString name;
+    QDeclarativeDebugConnection *client;
+    bool enabled;
+};
+
+QDeclarativeDebugClientPrivate::QDeclarativeDebugClientPrivate()
+: client(0), enabled(false)
+{
+}
+
+QDeclarativeDebugClient::QDeclarativeDebugClient(const QString &name, 
+                                           QDeclarativeDebugConnection *parent)
+: QObject(*(new QDeclarativeDebugClientPrivate), parent)
+{
+    Q_D(QDeclarativeDebugClient);
+    d->name = name;
+    d->client = parent;
+
+    if (!d->client)
+        return;
+
+    if (d->client->d->plugins.contains(name)) {
+        qWarning() << "QDeclarativeDebugClient: Conflicting plugin name" << name;
+        d->client = 0;
+    } else {
+        d->client->d->plugins.insert(name, this);
+    }
+}
+
+QString QDeclarativeDebugClient::name() const
+{
+    Q_D(const QDeclarativeDebugClient);
+    return d->name;
+}
+
+bool QDeclarativeDebugClient::isEnabled() const
+{
+    Q_D(const QDeclarativeDebugClient);
+    return d->enabled;
+}
+
+void QDeclarativeDebugClient::setEnabled(bool e)
+{
+    Q_D(QDeclarativeDebugClient);
+    if (e == d->enabled)
+        return;
+
+    d->enabled = e;
+
+    if (d->client) {
+        if (e) 
+            d->client->d->enabled.append(d->name);
+        else
+            d->client->d->enabled.removeAll(d->name);
+
+        if (d->client->state() == QTcpSocket::ConnectedState) {
+            QPacket pack;
+            pack << QString(QLatin1String("QDeclarativeDebugServer"));
+            if (e) pack << (int)1;
+            else pack << (int)2;
+            pack << d->name;
+            d->client->d->protocol->send(pack);
+        }
+    }
+}
+
+bool QDeclarativeDebugClient::isConnected() const
+{
+    Q_D(const QDeclarativeDebugClient);
+
+    if (!d->client)
+        return false;
+    return d->client->isConnected();
+}
+
+void QDeclarativeDebugClient::sendMessage(const QByteArray &message)
+{
+    Q_D(QDeclarativeDebugClient);
+
+    if (!d->client || !d->client->isConnected())
+        return;
+
+    QPacket pack;
+    pack << d->name << message;
+    d->client->d->protocol->send(pack);
+}
+
+void QDeclarativeDebugClient::messageReceived(const QByteArray &)
+{
+}
+
+QT_END_NAMESPACE
+
+#include <qdeclarativedebugclient.moc>