/****************************************************************************
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** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
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** Contact: Nokia Corporation (qt-info@nokia.com)
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** This file is part of the QtDeclarative module of the Qt Toolkit.
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** No Commercial Usage
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** contained in the Technology Preview License Agreement accompanying
** this package.
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** GNU Lesser General Public License Usage
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** 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
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** $QT_END_LICENSE$
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****************************************************************************/

#ifndef QDECLARATIVEOBSERVERSERVICE_H
#define QDECLARATIVEOBSERVERSERVICE_H

#include "private/qdeclarativedebugservice_p.h"
#include <private/qdeclarativeglobal_p.h>

#include <QtCore/QList>

QT_BEGIN_HEADER

QT_BEGIN_NAMESPACE

QT_MODULE(Declarative)

class QDeclarativeView;
class QDeclarativeObserverInterface;

class Q_DECLARATIVE_EXPORT QDeclarativeObserverService : public QDeclarativeDebugService
{
    Q_OBJECT

public:
    QDeclarativeObserverService();
    static QDeclarativeObserverService *instance();

    void addView(QDeclarativeView *);
    void removeView(QDeclarativeView *);
    QList<QDeclarativeView*> views() const { return m_views; }

    void sendMessage(const QByteArray &message);

Q_SIGNALS:
    void gotMessage(const QByteArray &message);

protected:
    virtual void statusChanged(Status status);
    virtual void messageReceived(const QByteArray &);

private:
    static QDeclarativeObserverInterface *loadObserverPlugin();

    QList<QDeclarativeView*> m_views;
    QDeclarativeObserverInterface *m_observer;
};

QT_END_NAMESPACE

QT_END_HEADER

#endif // QDECLARATIVEOBSERVERSERVICE_H