pluginmanager_p.h 3.76 KB
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/**************************************************************************
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**
** This file is part of Qt Creator
**
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** Copyright (c) 2011 Nokia Corporation and/or its subsidiary(-ies).
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**
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** Contact: Nokia Corporation (info@qt.nokia.com)
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**
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**
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** GNU Lesser General Public License Usage
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**
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** 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.
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**
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** In addition, as a special exception, Nokia gives you certain additional
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** rights. These rights are described in the Nokia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
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** Other Usage
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** Alternatively, this file may be used in accordance with the terms and
** conditions contained in a signed written agreement between you and Nokia.
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** If you have questions regarding the use of this file, please contact
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** Nokia at info@qt.nokia.com.
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**
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**************************************************************************/
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#ifndef PLUGINMANAGER_P_H
#define PLUGINMANAGER_P_H

#include "pluginspec.h"

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

QT_BEGIN_NAMESPACE
class QTime;
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class QSettings;
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class QEventLoop;
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QT_END_NAMESPACE
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namespace ExtensionSystem {

class PluginManager;
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class PluginCollection;
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namespace Internal {

class PluginSpecPrivate;

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

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

    // Plugin operations
    void loadPlugins();
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    void shutdown();
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    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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    void setSettings(QSettings *settings);
    void readSettings();
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    void writeSettings();
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    void disablePluginIndirectly(PluginSpec *spec);
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    QHash<QString, PluginCollection *> pluginCategories;
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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> > > ?
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    QStringList disabledPlugins;
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    QStringList forceEnabledPlugins;
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    QList<PluginSpec *> asynchronousPlugins; // plugins that have requested async shutdown
    QEventLoop *shutdownEventLoop; // used for async shutdown
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    QStringList arguments;
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    QScopedPointer<QTime> m_profileTimer;
    int m_profileElapsedMS;
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    unsigned m_profilingVerbosity;
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    QSettings *settings;
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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);
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private slots:
    void asyncShutdownFinished();

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private:
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    PluginCollection *defaultCollection;
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    PluginManager *q;

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

} // namespace Internal
} // namespace ExtensionSystem

#endif // PLUGINMANAGER_P_H