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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.
*/
#include "pluginmanager.h"
#include <QDir>
#include <QDirIterator>
#include <QFileInfo>
#include <QVariant>
#include <QJsonObject>
#include <QtPlugin>
#include "instancetypeinterface.h"
// MultiMC's API version. This must match the "api" field in each plugin's
// metadata or MultiMC won't consider them valid MultiMC plugin.
#define MMC_API_VERSION "MultiMC5-API-1"
PluginManager PluginManager::manager;
PluginManager::PluginManager() :
QObject(NULL)
{
}
bool PluginManager::loadPlugins(QString pluginDir)
{
// Delete the loaded plugins and clear the list.
for (int i = 0; i < m_plugins.count(); i++)
{
delete m_plugins[i];
}
m_plugins.clear();
qDebug(QString("Loading plugins from directory: %1").
arg(pluginDir).toUtf8());
QDir dir(pluginDir);
QDirIterator iter(dir);
while (iter.hasNext())
{
QFileInfo pluginFile(dir.absoluteFilePath(iter.next()));
if (pluginFile.exists() && pluginFile.isFile())
{
qDebug(QString("Attempting to load plugin: %1").
arg(pluginFile.canonicalFilePath()).toUtf8());
QPluginLoader *pluginLoader = new QPluginLoader(pluginFile.absoluteFilePath());
QJsonObject pluginInfo = pluginLoader->metaData();
QJsonObject pluginMetadata = pluginInfo.value("MetaData").toObject();
if (pluginMetadata.value("api").toString("") != MMC_API_VERSION)
{
// If "api" is not specified, it's not a MultiMC plugin.
qDebug(QString("Not loading plugin %1. Not a valid MultiMC plugin. "
"API: %2").
arg(pluginFile.canonicalFilePath(), pluginMetadata.value("api").toString("")).toUtf8());
continue;
}
qDebug(QString("Loaded plugin: %1").
arg(pluginInfo.value("IID").toString()).toUtf8());
m_plugins.push_back(pluginLoader);
}
}
return true;
}
QPluginLoader *PluginManager::getPlugin(int index)
{
return m_plugins[index];
}
void PluginManager::initInstanceTypes()
{
for (int i = 0; i < m_plugins.count(); i++)
{
InstanceTypeInterface *instType = qobject_cast<InstanceTypeInterface *>(m_plugins[i]->instance());
if (instType)
{
// TODO: Handle errors
InstanceLoader::get().registerInstanceType(instType);
}
}
}
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