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/**************************************************************************
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**
** This file is part of Qt Creator
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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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** Commercial Usage
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** Licensees holding valid Qt Commercial licenses may use this file in
** accordance with the Qt Commercial License Agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Nokia.
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** GNU Lesser General Public License Usage
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** Alternatively, 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
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**************************************************************************/
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#ifndef PLUGINMANAGER_P_H
#define PLUGINMANAGER_P_H

#include "pluginspec.h"

#include <QtCore/QList>
#include <QtCore/QSet>
#include <QtCore/QStringList>
#include <QtCore/QObject>
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#include <QtCore/QScopedPointer>

QT_BEGIN_NAMESPACE
class QTime;
QT_END_NAMESPACE
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namespace ExtensionSystem {

class PluginManager;

namespace Internal {

class PluginSpecPrivate;

class EXTENSIONSYSTEM_EXPORT PluginManagerPrivate
{
public:
    PluginManagerPrivate(PluginManager *pluginManager);
    virtual ~PluginManagerPrivate();

    // Object pool operations
    void addObject(QObject *obj);
    void removeObject(QObject *obj);

    // Plugin operations
    void loadPlugins();
    void setPluginPaths(const QStringList &paths);
    QList<PluginSpec *> loadQueue();
    void loadPlugin(PluginSpec *spec, PluginSpec::State destState);
    void resolveDependencies();
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    void initProfiling();
    void profilingReport(const char *what, const PluginSpec *spec = 0);
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    QList<PluginSpec *> pluginSpecs;
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    QList<PluginSpec *> testSpecs;
    QStringList pluginPaths;
    QString extension;
    QList<QObject *> allObjects; // ### make this a QList<QPointer<QObject> > > ?

    QStringList arguments;
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    QScopedPointer<QTime> m_profileTimer;
    int m_profileElapsedMS;
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    // Look in argument descriptions of the specs for the option.
    PluginSpec *pluginForOption(const QString &option, bool *requiresArgument) const;
    PluginSpec *pluginByName(const QString &name) const;

    // used by tests
    static PluginSpec *createSpec();
    static PluginSpecPrivate *privateSpec(PluginSpec *spec);
private:
    PluginManager *q;

    void readPluginPaths();
    bool loadQueue(PluginSpec *spec,
            QList<PluginSpec *> &queue,
            QList<PluginSpec *> &circularityCheckQueue);
    void stopAll();
};

} // namespace Internal
} // namespace ExtensionSystem

#endif // PLUGINMANAGER_P_H