qmladapter.h 2.73 KB
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/**************************************************************************
**
** This file is part of Qt Creator
**
** Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).
**
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** Commercial Usage
**
** Licensees holding valid Qt Commercial licenses may use this file in
** accordance with the Qt Commercial License Agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Nokia.
**
** 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.
**
** If you are unsure which license is appropriate for your use, please
** contact the sales department at http://qt.nokia.com/contact.
**
**************************************************************************/

#ifndef QMLADAPTER_H
#define QMLADAPTER_H

#include <QObject>
#include <QWeakPointer>

#include "qmljsprivateapi.h"
#include "debugger_global.h"

QT_FORWARD_DECLARE_CLASS(QTimer)

namespace Debugger {
namespace Internal {
class DebuggerEngine;
class QmlDebuggerClient;

class DEBUGGER_EXPORT QmlAdapter : public QObject
{
    Q_OBJECT
public:
    explicit QmlAdapter(DebuggerEngine *engine, QObject *parent = 0);
    void beginConnection();

    bool isConnected() const;
    bool isUnconnected() const;

    QDeclarativeEngineDebug *client() const;
    QDeclarativeDebugConnection *connection() const;

    // TODO move to private API b/w engine and adapter
    void setMaxConnectionAttempts(int maxAttempts);
    void setConnectionAttemptInterval(int interval);

signals:
    void aboutToDisconnect();
    void connected();
    void disconnected();
    void connectionStartupFailed();
    void connectionError();

private slots:
    void connectionErrorOccurred();
    void connectionStateChanged();
    void pollInferior();

private:
    bool connectToViewer();
    void createDebuggerClient();
    void showConnectionStatusMessage(const QString &message);
    void showConnectionErrorMessage(const QString &message);

private:
    QWeakPointer<DebuggerEngine> m_engine;
    QmlDebuggerClient *m_qmlClient;
    QDeclarativeEngineDebug *m_mainClient;

    QTimer *m_connectionTimer;
    int m_connectionAttempts;
    int m_maxConnectionAttempts;

    QDeclarativeDebugConnection *m_conn;

};

} // namespace Internal
} // namespace Debugger

#endif // QMLADAPTER_H