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/****************************************************************************
**
** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the QtAddOn.JsonStream module of the Qt.
**
** $QT_BEGIN_LICENSE:LGPL$
** 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, Digia gives you certain additional
** rights. These rights are described in the Digia 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.
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef PROCESS_BACKEND_MANAGER_H
#define PROCESS_BACKEND_MANAGER_H
#include <QObject>
#include <QHash>
#include <QProcessEnvironment>
#include "qprocessmanager-global.h"
#include "qprocesslist.h"
QT_BEGIN_NAMESPACE_PROCESSMANAGER
class QProcessFrontend;
class QProcessInfo;
class QProcessBackendFactory;
class QProcessBackend;
class QIdleDelegate;
class Q_ADDON_PROCESSMANAGER_EXPORT QProcessBackendManager : public QObject
{
Q_OBJECT
Q_PROPERTY(QIdleDelegate* idleDelegate READ idleDelegate WRITE setIdleDelegate NOTIFY idleDelegateChanged)
public:
explicit QProcessBackendManager(QObject *parent = 0);
virtual ~QProcessBackendManager();
QProcessBackend *create(const QProcessInfo& info, QObject *parent=0);
void addFactory(QProcessBackendFactory *factory);
QPidList internalProcesses() const;
void setMemoryRestricted(bool);
bool memoryRestricted() const;
QIdleDelegate * idleDelegate() const;
void setIdleDelegate(QIdleDelegate *);
bool idleCpuRequest() const { return m_idleCpuRequest; }
signals:
void idleDelegateChanged();
void internalProcessesChanged();
void internalProcessError(QProcess::ProcessError);
protected:
virtual void handleIdleCpuRequest();
virtual void handleInternalProcessChange();
protected slots:
void idleCpuAvailable();
virtual void handleInternalProcessError(QProcess::ProcessError);
private slots:
void updateIdleCpuRequest();
void updateInternalProcesses();
private:
QList<QProcessBackendFactory*> m_factories;
QPidList m_internalProcesses;
QIdleDelegate *m_idleDelegate;
bool m_memoryRestricted;
bool m_idleCpuRequest;
};
QT_END_NAMESPACE_PROCESSMANAGER
QT_PROCESSMANAGER_DECLARE_METATYPE_PTR(QProcessBackendManager)
#endif // PROCESS_BACKEND_MANAGER_H
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