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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 Qt Creator.
**
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia. For licensing terms and
** conditions see http://qt.digia.com/licensing. For further information
** use the contact form at http://qt.digia.com/contact-us.
**
** GNU Lesser General Public License Usage
** 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
** 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.
**
****************************************************************************/
#ifndef EXTENSIONSYSTEM_PLUGINMANAGER_H
#define EXTENSIONSYSTEM_PLUGINMANAGER_H
#include "extensionsystem_global.h"
#include <aggregation/aggregate.h>
#include <QObject>
#include <QReadWriteLock>
#include <QStringList>
QT_BEGIN_NAMESPACE
class QTextStream;
class QSettings;
QT_END_NAMESPACE
namespace ExtensionSystem {
class PluginCollection;
namespace Internal {
class PluginManagerPrivate;
}
class IPlugin;
class PluginSpec;
class EXTENSIONSYSTEM_EXPORT PluginManager : public QObject
{
Q_OBJECT
public:
static PluginManager *instance();
PluginManager();
virtual ~PluginManager();
// Object pool operations
static void addObject(QObject *obj);
static void removeObject(QObject *obj);
static QList<QObject *> allObjects();
template <typename T> static QList<T *> getObjects()
{
QReadLocker lock(&m_instance->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> static T *getObject()
{
QReadLocker lock(&m_instance->m_lock);
QList<QObject *> all = allObjects();
T *result = 0;
foreach (QObject *obj, all) {
if ((result = Aggregation::query<T>(obj)) != 0)
break;
}
return result;
}
static QObject *getObjectByName(const QString &name);
static QObject *getObjectByClassName(const QString &className);
// Plugin operations
static QList<PluginSpec *> loadQueue();
static void loadPlugins();
static QStringList pluginPaths();
static void setPluginPaths(const QStringList &paths);
static QList<PluginSpec *> plugins();
static QHash<QString, PluginCollection *> pluginCollections();
static void setFileExtension(const QString &extension);
static QString fileExtension();
static bool hasError();
// Settings
static void setSettings(QSettings *settings);
static QSettings *settings();
static void setGlobalSettings(QSettings *settings);
static QSettings *globalSettings();
static void writeSettings();
// command line arguments
static QStringList arguments();
static 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);
static void formatPluginOptions(QTextStream &str, int optionIndentation, int descriptionIndentation);
static void formatPluginVersions(QTextStream &str);
static QString serializedArguments();
static bool runningTests();
static QString testDataDirectory();
static void profilingReport(const char *what, const PluginSpec *spec = 0);
signals:
void objectAdded(QObject *obj);
void aboutToRemoveObject(QObject *obj);
void pluginsChanged();
void initializationDone();
public slots:
void remoteArguments(const QString &serializedArguments);
void shutdown();
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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