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** Copyright (C) 2010 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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** This file contains pre-release code and may not be distributed.

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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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**

** 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.

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** If you have questions regarding the use of this file, please contact

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

#ifndef QDECLARATIVEENGINE_P_H

#define QDECLARATIVEENGINE_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 "qdeclarativeengine.h"

#include "private/qdeclarativeclassfactory_p.h"

#include "private/qdeclarativecompositetypemanager_p.h"

#include "private/qdeclarativeimport_p.h"

#include "private/qpodvector_p.h"

#include "qdeclarative.h"

#include "private/qdeclarativevaluetype_p.h"

#include "qdeclarativecontext.h"

#include "private/qdeclarativecontext_p.h"

#include "qdeclarativeexpression.h"

#include "private/qdeclarativeproperty_p.h"

#include "private/qdeclarativepropertycache_p.h"

#include "private/qdeclarativeobjectscriptclass_p.h"

#include "private/qdeclarativecontextscriptclass_p.h"

#include "private/qdeclarativevaluetypescriptclass_p.h"

#include "private/qdeclarativemetatype_p.h"

#include "private/qdeclarativedirparser_p.h"

#include <QtScript/QScriptClass>

#include <QtScript/QScriptValue>

#include <QtScript/QScriptString>

#include <QtCore/qstring.h>

#include <QtCore/qlist.h>

#include <QtCore/qpair.h>

#include <QtCore/qstack.h>

#include <QtCore/qmutex.h>

#include <QtScript/qscriptengine.h>

#include <private/qobject_p.h>

QT_BEGIN_NAMESPACE

class QDeclarativeContext;

class QDeclarativeEngine;

class QDeclarativeContextPrivate;

class QDeclarativeExpression;

class QDeclarativeContextScriptClass;

class QDeclarativeImportDatabase;

class QDeclarativeObjectScriptClass;

class QDeclarativeTypeNameScriptClass;

class QDeclarativeValueTypeScriptClass;

class QScriptEngineDebugger;

class QNetworkReply;

class QNetworkAccessManager;

class QDeclarativeNetworkAccessManagerFactory;

class QDeclarativeAbstractBinding;

class QScriptDeclarativeClass;

class QDeclarativeTypeNameScriptClass;

class QDeclarativeTypeNameCache;

class QDeclarativeComponentAttached;

class QDeclarativeListScriptClass;

class QDeclarativeCleanup;

class QDeclarativeDelayedError;

class QDeclarativeWorkerScriptEngine;

class QDeclarativeGlobalScriptClass;

class QDir;

class QDeclarativeScriptEngine : public QScriptEngine

{

public:

    QDeclarativeScriptEngine(QDeclarativeEnginePrivate *priv);

    virtual ~QDeclarativeScriptEngine();

    QUrl resolvedUrl(QScriptContext *context, const QUrl& url); // resolved against p's context, or baseUrl if no p

    static QScriptValue resolvedUrl(QScriptContext *ctxt, QScriptEngine *engine);

    static QDeclarativeScriptEngine *get(QScriptEngine* e) { return static_cast<QDeclarativeScriptEngine*>(e); }

    QDeclarativeEnginePrivate *p;

    // User by SQL API

    QScriptClass *sqlQueryClass;

    QString offlineStoragePath;

    // Used by DOM Core 3 API

    QScriptClass *namedNodeMapClass;

    QScriptClass *nodeListClass;

    QUrl baseUrl;

    virtual QNetworkAccessManager *networkAccessManager();

};

class Q_AUTOTEST_EXPORT QDeclarativeEnginePrivate : public QObjectPrivate

{

    Q_DECLARE_PUBLIC(QDeclarativeEngine)

public:

    QDeclarativeEnginePrivate(QDeclarativeEngine *);

    ~QDeclarativeEnginePrivate();

    void init();

    struct CapturedProperty {

        CapturedProperty(QObject *o, int c, int n)

            : object(o), coreIndex(c), notifier(0), notifyIndex(n) {}

        CapturedProperty(QDeclarativeNotifier *n)

            : object(0), coreIndex(-1), notifier(n), notifyIndex(-1) {}

        QObject *object;

        int coreIndex;

        QDeclarativeNotifier *notifier;

        int notifyIndex;

    };

    bool captureProperties;

    QPODVector<CapturedProperty> capturedProperties;

    QDeclarativeContext *rootContext;

    QDeclarativeExpression *currentExpression;

    bool isDebugging;

    bool outputWarningsToStdErr;

    QDeclarativeContextScriptClass *contextClass;

    QDeclarativeContextData *sharedContext;

    QObject *sharedScope;

    QDeclarativeObjectScriptClass *objectClass;

    QDeclarativeValueTypeScriptClass *valueTypeClass;

    QDeclarativeTypeNameScriptClass *typeNameClass;

    QDeclarativeListScriptClass *listClass;

    // Global script class

    QDeclarativeGlobalScriptClass *globalClass;

    // Registered cleanup handlers

    QDeclarativeCleanup *cleanup;

    // Bindings that have had errors during startup

    QDeclarativeDelayedError *erroredBindings;

    int inProgressCreations;

    QDeclarativeScriptEngine scriptEngine;

    QDeclarativeWorkerScriptEngine *getWorkerScriptEngine();

    QDeclarativeWorkerScriptEngine *workerScriptEngine;

    QUrl baseUrl;

    template<class T>

    struct SimpleList {

        SimpleList()

            : count(0), values(0) {}

        SimpleList(int r)

            : count(0), values(new T*[r]) {}

        int count;

        T **values;

        void append(T *v) {

            values[count++] = v;

        }

        T *at(int idx) const {

            return values[idx];

        }

        void clear() {

            delete [] values;

        }

    };

    static void clear(SimpleList<QDeclarativeAbstractBinding> &);

    static void clear(SimpleList<QDeclarativeParserStatus> &);

    QList<SimpleList<QDeclarativeAbstractBinding> > bindValues;

    QList<SimpleList<QDeclarativeParserStatus> > parserStatus;

    QList<QPair<QDeclarativeGuard<QObject>,int> > finalizedParserStatus;

    QDeclarativeComponentAttached *componentAttached;

    void registerFinalizedParserStatusObject(QObject *obj, int index) {

        finalizedParserStatus.append(qMakePair(QDeclarativeGuard<QObject>(obj), index));

    }

    bool inBeginCreate;

    QNetworkAccessManager *createNetworkAccessManager(QObject *parent) const;

    QNetworkAccessManager *getNetworkAccessManager() const;

    mutable QNetworkAccessManager *networkAccessManager;

    mutable QDeclarativeNetworkAccessManagerFactory *networkAccessManagerFactory;

    QHash<QString,QDeclarativeImageProvider*> imageProviders;

    QImage getImageFromProvider(const QUrl &url, QSize *size, const QSize& req_size);

    mutable QMutex mutex;

    QDeclarativeCompositeTypeManager typeManager;

    QDeclarativeImportDatabase importDatabase;

    QString offlineStoragePath;

    mutable quint32 uniqueId;

    quint32 getUniqueId() const {

        return uniqueId++;

    }

    QDeclarativeValueTypeFactory valueTypes;

    QHash<const QMetaObject *, QDeclarativePropertyCache *> propertyCache;

    inline QDeclarativePropertyCache *cache(QObject *obj);

    inline QDeclarativePropertyCache *cache(const QMetaObject *);

    void registerCompositeType(QDeclarativeCompiledData *);

    bool isQObject(int);

    QObject *toQObject(const QVariant &, bool *ok = 0) const;

    QDeclarativeMetaType::TypeCategory typeCategory(int) const;

    bool isList(int) const;

    int listType(int) const;

    const QMetaObject *rawMetaObjectForType(int) const;

    const QMetaObject *metaObjectForType(int) const;

    QHash<int, int> m_qmlLists;

    QHash<int, QDeclarativeCompiledData *> m_compositeTypes;

    QHash<QString, QScriptValue> m_sharedScriptImports;

    QScriptValue scriptValueFromVariant(const QVariant &);

    QVariant scriptValueToVariant(const QScriptValue &, int hint = QVariant::Invalid);

    void sendQuit();

    void warning(const QDeclarativeError &);

    void warning(const QList<QDeclarativeError> &);

    static void warning(QDeclarativeEngine *, const QDeclarativeError &);

    static void warning(QDeclarativeEngine *, const QList<QDeclarativeError> &);

    static void warning(QDeclarativeEnginePrivate *, const QDeclarativeError &);

    static void warning(QDeclarativeEnginePrivate *, const QList<QDeclarativeError> &);

    static QScriptValue qmlScriptObject(QObject*, QDeclarativeEngine*);

    static QScriptValue createComponent(QScriptContext*, QScriptEngine*);

    static QScriptValue createQmlObject(QScriptContext*, QScriptEngine*);

    static QScriptValue isQtObject(QScriptContext*, QScriptEngine*);

    static QScriptValue vector3d(QScriptContext*, QScriptEngine*);

    static QScriptValue rgba(QScriptContext*, QScriptEngine*);

    static QScriptValue hsla(QScriptContext*, QScriptEngine*);

    static QScriptValue point(QScriptContext*, QScriptEngine*);

    static QScriptValue size(QScriptContext*, QScriptEngine*);

    static QScriptValue rect(QScriptContext*, QScriptEngine*);

    static QScriptValue lighter(QScriptContext*, QScriptEngine*);

    static QScriptValue darker(QScriptContext*, QScriptEngine*);

    static QScriptValue tint(QScriptContext*, QScriptEngine*);

    static QScriptValue desktopOpenUrl(QScriptContext*, QScriptEngine*);

    static QScriptValue fontFamilies(QScriptContext*, QScriptEngine*);

    static QScriptValue md5(QScriptContext*, QScriptEngine*);

    static QScriptValue btoa(QScriptContext*, QScriptEngine*);

    static QScriptValue atob(QScriptContext*, QScriptEngine*);

    static QScriptValue consoleLog(QScriptContext*, QScriptEngine*);

    static QScriptValue quit(QScriptContext*, QScriptEngine*);

    static QScriptValue formatDate(QScriptContext*, QScriptEngine*);

    static QScriptValue formatTime(QScriptContext*, QScriptEngine*);

    static QScriptValue formatDateTime(QScriptContext*, QScriptEngine*);

    static QScriptEngine *getScriptEngine(QDeclarativeEngine *e) { return &e->d_func()->scriptEngine; }

    static QDeclarativeEngine *getEngine(QScriptEngine *e) { return static_cast<QDeclarativeScriptEngine*>(e)->p->q_func(); }

    static QDeclarativeEnginePrivate *get(QDeclarativeEngine *e) { return e->d_func(); }

    static QDeclarativeEnginePrivate *get(QDeclarativeContext *c) { return (c && c->engine()) ? QDeclarativeEnginePrivate::get(c->engine()) : 0; }

    static QDeclarativeEnginePrivate *get(QDeclarativeContextData *c) { return (c && c->engine) ? QDeclarativeEnginePrivate::get(c->engine) : 0; }

    static QDeclarativeEnginePrivate *get(QScriptEngine *e) { return static_cast<QDeclarativeScriptEngine*>(e)->p; }

    static QDeclarativeEngine *get(QDeclarativeEnginePrivate *p) { return p->q_func(); }

    QDeclarativeContextData *getContext(QScriptContext *);

    static QString urlToLocalFileOrQrc(const QUrl& url);

    static void defineModule();

};

/*!

Returns a QDeclarativePropertyCache for \a obj if one is available.

If \a obj is null, being deleted or contains a dynamic meta object 0 

is returned.

*/

QDeclarativePropertyCache *QDeclarativeEnginePrivate::cache(QObject *obj) 

{

    Q_Q(QDeclarativeEngine);

    if (!obj || QObjectPrivate::get(obj)->metaObject || QObjectPrivate::get(obj)->wasDeleted) 

        return 0;

    const QMetaObject *mo = obj->metaObject();

    QDeclarativePropertyCache *rv = propertyCache.value(mo);

    if (!rv) {

        rv = new QDeclarativePropertyCache(q, mo);

        propertyCache.insert(mo, rv);

    }

    return rv;

}

/*!

Returns a QDeclarativePropertyCache for \a metaObject.  

As the cache is persisted for the life of the engine, \a metaObject must be

a static "compile time" meta-object, or a meta-object that is otherwise known to 

exist for the lifetime of the QDeclarativeEngine.

*/

QDeclarativePropertyCache *QDeclarativeEnginePrivate::cache(const QMetaObject *metaObject)

{

    Q_Q(QDeclarativeEngine);

    Q_ASSERT(metaObject);

    QDeclarativePropertyCache *rv = propertyCache.value(metaObject);

    if (!rv) {

        rv = new QDeclarativePropertyCache(q, metaObject);

        propertyCache.insert(metaObject, rv);

    }

    return rv;

}

QT_END_NAMESPACE

#endif // QDECLARATIVEENGINE_P_H