PrismLauncher/data/plugin/pluginmanager.h

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/* Copyright 2013 MultiMC Contributors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef PLUGINMANAGER_H
#define PLUGINMANAGER_H
#include <QObject>
#include <QList>
#include <QPluginLoader>
/*!
* \brief This class is a singleton that manages loading plugins.
*/
class PluginManager : public QObject
{
Q_OBJECT
public:
/*!
* \brief Gets the plugin manager instance.
*/
static PluginManager &get() { return manager; }
/*!
* \brief Loads plugins from the given directory.
* This function does \e not initialize the plugins. It simply loads their
* classes. Use the init functions to initialize the various plugin types.
* \param The directory to load plugins from.
* \return True if successful. False on failure.
*/
bool loadPlugins(QString pluginDir);
/*!
* \brief Checks how many plugins are loaded.
* \return The number of plugins.
*/
int count() { return m_plugins.count(); }
/*!
* \brief Gets the plugin at the given index.
* \param index The index of the plugin to get.
* \return The plugin at the given index.
*/
QPluginLoader *getPlugin(int index);
/*!
* \brief Initializes and registers all the instance types.
* This is done by going through the plugin list and registering all of the
* plugins that derive from the InstanceTypeInterface with the InstanceLoader.
*/
void initInstanceTypes();
private:
PluginManager();
QList<QPluginLoader *> m_plugins;
static PluginManager manager;
};
#endif // PLUGINMANAGER_H