/****************************************************************************

**

** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).

** All rights reserved.

** Contact: Nokia Corporation (qt-info@nokia.com)

**

** This file is part of the ActiveQt framework of the Qt Toolkit.

**

** $QT_BEGIN_LICENSE:BSD$

** You may use this file under the terms of the BSD license as follows:

**

** "Redistribution and use in source and binary forms, with or without

** modification, are permitted provided that the following conditions are

** met:

**   * Redistributions of source code must retain the above copyright

**     notice, this list of conditions and the following disclaimer.

**   * Redistributions in binary form must reproduce the above copyright

**     notice, this list of conditions and the following disclaimer in

**     the documentation and/or other materials provided with the

**     distribution.

**   * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor

**     the names of its contributors may be used to endorse or promote

**     products derived from this software without specific prior written

**     permission.

**

** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS

** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT

** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR

** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT

** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,

** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT

** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,

** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY

** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT

** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE

** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."

** $QT_END_LICENSE$

**

****************************************************************************/

#ifndef QAXSCRIPT_H

#define QAXSCRIPT_H

#include <ActiveQt/qaxobject.h>

struct IActiveScript;

QT_BEGIN_HEADER

QT_BEGIN_NAMESPACE

QT_MODULE(ActiveQt)

#ifndef QT_NO_WIN_ACTIVEQT

class QAxBase;

class QAxScript;

class QAxScriptSite;

class QAxScriptEngine;

class QAxScriptManager;

class QAxScriptManagerPrivate;

class QAxScriptEngine : public QAxObject

{

public:

    enum State {

        Uninitialized = 0,

        Initialized = 5,

        Started = 1,

        Connected = 2,

        Disconnected = 3,

        Closed = 4

    };

    QAxScriptEngine(const QString &language, QAxScript *script);

    ~QAxScriptEngine();

    bool isValid() const;

    bool hasIntrospection() const;

    QString scriptLanguage() const;

    State state() const;

    void setState(State st);

    void addItem(const QString &name);

    long queryInterface(const QUuid &, void**) const;

protected:

    bool initialize(IUnknown** ptr);

private:

    QAxScript *script_code;

    IActiveScript *engine;

    QString script_language;

};

class QAxScript : public QObject

{

    Q_OBJECT

public:

    enum FunctionFlags {

        FunctionNames = 0,

        FunctionSignatures	

    };

    QAxScript(const QString &name, QAxScriptManager *manager);

    ~QAxScript();

    bool load(const QString &code, const QString &language = QString());

    QStringList functions(FunctionFlags = FunctionNames) const;

    QString scriptCode() const;

    QString scriptName() const;

    QAxScriptEngine *scriptEngine() const;

    QVariant call(const QString &function, const QVariant &v1 = QVariant(), 

					   const QVariant &v2 = QVariant(),

                                           const QVariant &v3 = QVariant(),

                                           const QVariant &v4 = QVariant(),

                                           const QVariant &v5 = QVariant(),

                                           const QVariant &v6 = QVariant(),

                                           const QVariant &v7 = QVariant(),

                                           const QVariant &v8 = QVariant());

    QVariant call(const QString &function, QList<QVariant> &arguments);

Q_SIGNALS:

    void entered();

    void finished();

    void finished(const QVariant &result);

    void finished(int code, const QString &source,const QString &description, const QString &help);

    void stateChanged(int state);

    void error(int code, const QString &description, int sourcePosition, const QString &sourceText);

private:

    friend class QAxScriptSite;

    friend class QAxScriptEngine;

    void updateObjects();

    QAxBase *findObject(const QString &name);

    QString script_name;

    QString script_code;

    QAxScriptManager *script_manager;

    QAxScriptEngine *script_engine;

    QAxScriptSite *script_site;

};

class QAxScriptManager : public QObject

{

    Q_OBJECT

public:

    QAxScriptManager(QObject *parent = 0);

    ~QAxScriptManager();

    void addObject(QAxBase *object);

    void addObject(QObject *object);

    QStringList functions(QAxScript::FunctionFlags = QAxScript::FunctionNames) const;

    QStringList scriptNames() const;

    QAxScript *script(const QString &name) const;

    QAxScript* load(const QString &code, const QString &name, const QString &language);

    QAxScript* load(const QString &file, const QString &name);

    QVariant call(const QString &function, const QVariant &v1 = QVariant(), 

					   const QVariant &v2 = QVariant(),

                                           const QVariant &v3 = QVariant(),

                                           const QVariant &v4 = QVariant(),

                                           const QVariant &v5 = QVariant(),

                                           const QVariant &v6 = QVariant(),

                                           const QVariant &v7 = QVariant(),

                                           const QVariant &v8 = QVariant());

    QVariant call(const QString &function, QList<QVariant> &arguments);

    static bool registerEngine(const QString &name, const QString &extension, const QString &code = QString());

    static QString scriptFileFilter();

Q_SIGNALS:

    void error(QAxScript *script, int code, const QString &description, int sourcePosition, const QString &sourceText);

private Q_SLOTS:

    void objectDestroyed(QObject *o);

    void scriptError(int code, const QString &description, int sourcePosition, const QString &sourceText);

private:

    friend class QAxScript;

    QAxScriptManagerPrivate *d;

    void updateScript(QAxScript*);

    QAxScript *scriptForFunction(const QString &function) const;

};

// QAxScript inlines

inline QString QAxScript::scriptCode() const

{

    return script_code;

}

inline QString QAxScript::scriptName() const

{

    return script_name;

}

inline QAxScriptEngine *QAxScript::scriptEngine() const

{

    return script_engine;

}

// QAxScriptEngine inlines

inline bool QAxScriptEngine::isValid() const

{

    return engine != 0;

}

inline QString QAxScriptEngine::scriptLanguage() const

{

    return script_language;

}

// QAxScriptManager inlines

extern QAxBase *qax_create_object_wrapper(QObject*);

inline void QAxScriptManager::addObject(QObject *object)

{

    QAxBase *wrapper = qax_create_object_wrapper(object);

    if (!wrapper) {

        qWarning("QAxScriptMananger::addObject: Class %s not exposed through the QAxFactory", 

            object->metaObject()->className());

        Q_ASSERT(wrapper);

    }

    addObject(wrapper);

}

QT_END_NAMESPACE

#endif // QT_NO_WIN_ACTIVEQT

QT_END_HEADER

#endif // QAXSCRIPT_H