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#ifndef QSERVICEMANAGER_H

#define QSERVICEMANAGER_H

#include "qmobilityglobal.h"

#include "qservice.h"

#include "qserviceinterfacedescriptor.h"

#include "qservicefilter.h"

#include <QObject>

#include <QList>

#include <QStringList>

#include <QDebug>

QT_BEGIN_HEADER

QTM_BEGIN_NAMESPACE

class QServiceContext;

class QAbstractSecuritySession;

class QServiceFilter;

class QServiceManagerPrivate;

class Q_SERVICEFW_EXPORT QServiceManager : public QObject

{

    Q_OBJECT

public:

   enum Error {

        NoError,

        StorageAccessError,

        InvalidServiceLocation,

        InvalidServiceXml,

        InvalidServiceInterfaceDescriptor,

        ServiceAlreadyExists,

        ImplementationAlreadyExists,

        PluginLoadingFailed,

        ComponentNotFound,

        ServiceCapabilityDenied,

        UnknownError = 100

    };

    explicit QServiceManager(QObject *parent = 0);

    explicit QServiceManager(QService::Scope scope, QObject *parent = 0);

    ~QServiceManager();

    QService::Scope scope() const;

    QStringList findServices(const QString& interfaceName = QString()) const;

    QList<QServiceInterfaceDescriptor> findInterfaces(const QServiceFilter& filter = QServiceFilter()) const;

    QList<QServiceInterfaceDescriptor> findInterfaces(const QString& serviceName) const;

    QObject* loadInterface(const QString& interfaceName, QServiceContext* context = 0, QAbstractSecuritySession* session = 0);

    QObject* loadInterface(const QServiceInterfaceDescriptor& descriptor, QServiceContext* context = 0, QAbstractSecuritySession* session = 0);

    template <class T>

    T* loadLocalTypedInterface(const QString& interfaceName, QServiceContext* context = 0, QAbstractSecuritySession* session = 0)

    {

        return loadLocalTypedInterface<T>(interfaceDefault(interfaceName), context, session);

    }

    template <class T>

    T* loadLocalTypedInterface(const QServiceInterfaceDescriptor& descriptor, QServiceContext* context = 0, QAbstractSecuritySession* session = 0)

    {

        T* instance = 0;

        if (descriptor.isValid()) {

            QObject* obj = loadInterface(descriptor, context, session);

            if (!obj) return 0;

            //TODO this should really be

            //instance = qobject_cast<T *>(loadInterface(descriptor, context, session));

            //check why qobject_cast fails

            const char* templateClassName = reinterpret_cast<T *>(0)->staticMetaObject.className();

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

            do {

                if (strcmp(templateClassName,source->className())==0) {

                    instance = static_cast<T *>(obj);

                    break;

                }

            } while ((source = source->superClass()));

            if (!instance)

                delete obj;

        }

        return instance;

    }

    bool addService(const QString& xmlFilePath);

    bool addService(QIODevice* xmlDevice);

    bool removeService(const QString& serviceName);

    bool setInterfaceDefault(const QString &service, const QString &interfaceName);

    bool setInterfaceDefault(const QServiceInterfaceDescriptor& descriptor);

    QServiceInterfaceDescriptor interfaceDefault(const QString& interfaceName) const;

    Error error() const;

protected:

    void connectNotify(const char *signal);

    void disconnectNotify(const char *signal);

Q_SIGNALS:

    void serviceAdded(const QString& serviceName, QService::Scope scope);

    void serviceRemoved(const QString& serviceName, QService::Scope scope);

private:

    friend class QServiceManagerPrivate;

    QServiceManagerPrivate* d;

};

QTM_END_NAMESPACE

QT_END_HEADER

#endif