From 36396f7c6aca9fcc61c8620e10c31ed2c8999ebd Mon Sep 17 00:00:00 2001
From: Andrew <forkk@forkk.net>
Date: Tue, 26 Feb 2013 16:47:39 -0600
Subject: Massive re-organization.

---
 libmultimc/src/pluginmanager.cpp | 105 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 105 insertions(+)
 create mode 100644 libmultimc/src/pluginmanager.cpp

(limited to 'libmultimc/src/pluginmanager.cpp')

diff --git a/libmultimc/src/pluginmanager.cpp b/libmultimc/src/pluginmanager.cpp
new file mode 100644
index 00000000..2f066293
--- /dev/null
+++ b/libmultimc/src/pluginmanager.cpp
@@ -0,0 +1,105 @@
+/* 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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