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/***************************************************************************
**
** This file is part of Qt Creator
**
** Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies).
**
** Contact: Qt Software Information (qt-info@nokia.com)
**
**
** Non-Open Source Usage
**
** Licensees may use this file in accordance with the Qt Beta Version
** License Agreement, Agreement version 2.2 provided with the Software or,
** alternatively, in accordance with the terms contained in a written
** agreement between you and Nokia.
**
** GNU General Public License Usage
**
** Alternatively, this file may be used under the terms of the GNU General
** Public License versions 2.0 or 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 GNU
** General Public Licensing requirements will be met:
**
** http://www.fsf.org/licensing/licenses/info/GPLv2.html and
** http://www.gnu.org/copyleft/gpl.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt GPL Exception
** version 1.3, included in the file GPL_EXCEPTION.txt in this package.
**
***************************************************************************/
#ifndef EXTENSIONSYSTEM_PLUGINMANAGER_H
#define EXTENSIONSYSTEM_PLUGINMANAGER_H
#include "extensionsystem_global.h"
#include <aggregation/aggregate.h>
#include <QtCore/QObject>
#include <QtCore/QList>
#include <QtCore/QSet>
#include <QtCore/QStringList>
#include <QtCore/QWriteLocker>
#include <QtCore/QReadWriteLock>
QT_BEGIN_NAMESPACE
class QTextStream;
QT_END_NAMESPACE
namespace ExtensionSystem {
namespace Internal {
class PluginManagerPrivate;
}
class IPlugin;
class PluginSpec;
class EXTENSIONSYSTEM_EXPORT PluginManager : public QObject
{
Q_DISABLE_COPY(PluginManager)
Q_OBJECT
public:
static PluginManager *instance();
PluginManager();
virtual ~PluginManager();
// Object pool operations
void addObject(QObject *obj);
void removeObject(QObject *obj);
QList<QObject *> allObjects() const;
template <typename T> QList<T *> getObjects() const
{
QReadLocker lock(&m_lock);
QList<T *> results;
QList<QObject *> all = allObjects();
QList<T *> result;
foreach (QObject *obj, all) {
result = Aggregation::query_all<T>(obj);
if (!result.isEmpty())
results += result;
}
return results;
}
template <typename T> T *getObject() const
{
QReadLocker lock(&m_lock);
QList<QObject *> all = allObjects();
T *result = 0;
foreach (QObject *obj, all) {
if ((result = Aggregation::query<T>(obj)) != 0)
break;
}
return result;
}
// Plugin operations
void loadPlugins();
QStringList pluginPaths() const;
void setPluginPaths(const QStringList &paths);
QList<PluginSpec *> plugins() const;
void setFileExtension(const QString &extension);
QString fileExtension() const;
// command line arguments
QStringList arguments() const;
bool parseOptions(const QStringList &args,
const QMap<QString, bool> &appOptions,
QMap<QString, QString> *foundAppOptions,
QString *errorString);
static void formatOptions(QTextStream &str, int optionIndentation, int descriptionIndentation);
void formatPluginOptions(QTextStream &str, int optionIndentation, int descriptionIndentation) const;
void formatPluginVersions(QTextStream &str) const;
bool runningTests() const;
QString testDataDirectory() const;
signals:
void objectAdded(QObject *obj);
void aboutToRemoveObject(QObject *obj);
void pluginsChanged();
private slots:
void startTests();
private:
Internal::PluginManagerPrivate *d;
static PluginManager *m_instance;
mutable QReadWriteLock m_lock;
friend class Internal::PluginManagerPrivate;
};
} // namespace ExtensionSystem
#endif // EXTENSIONSYSTEM_PLUGINMANAGER_H
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