source: trunk/src/declarative/qml/qdeclarativeworkerscript_p.h@ 890

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** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
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** Contact: Nokia Corporation ([email protected])
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** This file is part of the QtDeclarative module of the Qt Toolkit.
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** Foundation and appearing in the file LICENSE.LGPL included in the
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** General Public License version 3.0 as published by the Free Software
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#ifndef QDECLARATIVEWORKERSCRIPT_P_H
#define QDECLARATIVEWORKERSCRIPT_P_H

//
//  W A R N I N G
//  -------------
//
// This file is not part of the Qt API.  It exists purely as an
// implementation detail.  This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//

#include "qdeclarative.h"
#include "qdeclarativeparserstatus.h"

#include <QtCore/qthread.h>
#include <QtScript/qscriptvalue.h>
#include <QtCore/qurl.h>

QT_BEGIN_HEADER

QT_BEGIN_NAMESPACE

QT_MODULE(Declarative)

class QDeclarativeWorkerScript;
class QDeclarativeWorkerScriptEnginePrivate;
class QDeclarativeWorkerScriptEngine : public QThread
{
Q_OBJECT
public:
    QDeclarativeWorkerScriptEngine(QDeclarativeEngine *parent = 0);
    virtual ~QDeclarativeWorkerScriptEngine();

    int registerWorkerScript(QDeclarativeWorkerScript *);
    void removeWorkerScript(int);
    void executeUrl(int, const QUrl &);
    void sendMessage(int, const QVariant &);

protected:
    virtual void run();

private:
    QDeclarativeWorkerScriptEnginePrivate *d;
};

class Q_AUTOTEST_EXPORT QDeclarativeWorkerScript : public QObject, public QDeclarativeParserStatus
{
    Q_OBJECT
    Q_PROPERTY(QUrl source READ source WRITE setSource NOTIFY sourceChanged)

    Q_INTERFACES(QDeclarativeParserStatus)
public:
    QDeclarativeWorkerScript(QObject *parent = 0);
    virtual ~QDeclarativeWorkerScript();

    QUrl source() const;
    void setSource(const QUrl &);

public slots:
    void sendMessage(const QScriptValue &);

signals:
    void sourceChanged();
    void message(const QScriptValue &messageObject);

protected:
    virtual void classBegin();
    virtual void componentComplete();
    virtual bool event(QEvent *);

private:
    QDeclarativeWorkerScriptEngine *engine();
    QDeclarativeWorkerScriptEngine *m_engine;
    int m_scriptId;
    QUrl m_source;
    bool m_componentComplete;
};

QT_END_NAMESPACE

QML_DECLARE_TYPE(QDeclarativeWorkerScript)

QT_END_HEADER

#endif // QDECLARATIVEWORKERSCRIPT_P_H