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/****************************************************************************
**
** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/
**
** This file is part of the QtSystems module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** GNU Lesser General Public License Usage
** 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.
**
** 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.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU General
** Public License version 3.0 as published by the Free Software Foundation
** and appearing in the file LICENSE.GPL included in the packaging of this
** file. Please review the following information to ensure the GNU General
** Public License version 3.0 requirements will be met:
** http://www.gnu.org/copyleft/gpl.html.
**
** Other Usage
** Alternatively, this file may be used in accordance with the terms and
** conditions contained in a signed written agreement between you and Nokia.
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QSERVICEMANAGER_H
#define QSERVICEMANAGER_H
#include "qserviceframeworkglobal.h"
#include "qservice.h"
#include "qserviceinterfacedescriptor.h"
#include "qservicefilter.h"
#include <QObject>
#include <QList>
#include <QStringList>
#include <QDebug>
QT_BEGIN_HEADER
QT_BEGIN_NAMESPACE
class QServiceContext;
class QServiceFilter;
class QServiceManagerPrivate;
class QServiceReply;
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);
QObject* loadInterface(const QServiceInterfaceDescriptor& descriptor);
bool isInterfaceRunning(const QString& interfaceName);
bool isInterfaceRunning(const QServiceInterfaceDescriptor& descriptor);
template <class T>
T* loadLocalTypedInterface(const QString& interfaceName);
template <class T>
T* loadLocalTypedInterface(const QServiceInterfaceDescriptor& descriptor);
QServiceReply *loadInterfaceRequest(const QString& interfaceName);
QServiceReply *loadInterfaceRequest(const QServiceInterfaceDescriptor& descriptor);
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;
QServiceManager::Error error() const;
bool event(QEvent *);
protected:
void connectNotify(const QMetaMethod &signal);
void disconnectNotify(const QMetaMethod &signal);
Q_SIGNALS:
void serviceAdded(const QString& serviceName, QService::Scope scope);
void serviceRemoved(const QString& serviceName, QService::Scope scope);
void errorChanged();
private:
QObject *loadInterProcessService(const QServiceInterfaceDescriptor &descriptor,
const QString &location) const;
QObject *loadInProcessService(const QServiceInterfaceDescriptor &descriptor,
const QString &serviceFilePath) const;
static QString resolveLibraryPath(const QString &libNameOrPath);
friend class QServiceManagerPrivate;
friend class QServiceOperationProcessor;
QServiceManagerPrivate* d;
};
template <class T>
Q_INLINE_TEMPLATE T* QServiceManager::loadLocalTypedInterface(const QString& interfaceName)
{
return loadLocalTypedInterface<T>(interfaceDefault(interfaceName));
}
template <class T>
Q_OUTOFLINE_TEMPLATE T* QServiceManager::loadLocalTypedInterface(const QServiceInterfaceDescriptor& descriptor)
{
T* instance = 0;
if (descriptor.isValid()) {
QObject* obj = loadInterface(descriptor);
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;
}
source = source->superClass();
} while (source != 0);
if (!instance)
delete obj;
}
return instance;
}
QT_END_NAMESPACE
QT_END_HEADER
#endif
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