From 42b8d5096b2290a70a5f423edd4f43a124f355df Mon Sep 17 00:00:00 2001
From: Dominik Schmidt <dev@dominik-schmidt.de>
Date: Sat, 3 Aug 2013 20:52:17 +0200
Subject: [PATCH] Make it even easier to load plugins

---
 src/libtomahawk/utils/PluginLoader.cpp |  9 +++++++++
 src/libtomahawk/utils/PluginLoader.h   | 25 +++++++++++++++++++++++++
 2 files changed, 34 insertions(+)

diff --git a/src/libtomahawk/utils/PluginLoader.cpp b/src/libtomahawk/utils/PluginLoader.cpp
index f1a056f99..2d0863618 100644
--- a/src/libtomahawk/utils/PluginLoader.cpp
+++ b/src/libtomahawk/utils/PluginLoader.cpp
@@ -57,6 +57,15 @@ PluginLoader::~PluginLoader()
 }
 
 
+const QString
+PluginLoader::type() const
+{
+    Q_D( const PluginLoader );
+
+    return d->type;
+}
+
+
 const QHash< QString, QObject* > PluginLoader::loadPlugins() const
 {
     tLog() << "Load plugins of type" << d_ptr->type;
diff --git a/src/libtomahawk/utils/PluginLoader.h b/src/libtomahawk/utils/PluginLoader.h
index 2cc495eb0..c9f7e8be5 100644
--- a/src/libtomahawk/utils/PluginLoader.h
+++ b/src/libtomahawk/utils/PluginLoader.h
@@ -19,6 +19,8 @@
 #ifndef LIBTOMAHAWK_UTILS_PLUGINLOADER_H
 #define LIBTOMAHAWK_UTILS_PLUGINLOADER_H
 
+#include "Logger.h"
+
 #include <QStringList>
 
 #include "DllMacro.h"
@@ -38,6 +40,29 @@ public:
     PluginLoader( const QString& type );
     virtual ~PluginLoader();
 
+    const QString type() const;
+
+    template<typename T> const QHash< QString, T* > loadPlugins()
+    {
+        const QHash< QString, QObject* > plugins = loadPlugins();
+
+        QHash< QString, T* > tPlugins;
+        foreach ( QObject* plugin, plugins.values() )
+        {
+            T* tPlugin = qobject_cast< T* >( plugin );
+            if ( tPlugin )
+            {
+                tDebug() << "PluginLoader(" << type() << "): Loaded valid" << T::staticMetaObject.className() << "from" << plugins.key( plugin );
+                tPlugins.insert( plugins.key( plugin ), tPlugin );
+            }
+            else
+            {
+                tLog() << "PluginLoader(" << type() << "): Loaded invalid" << T::staticMetaObject.className() << "from" << plugins.key( plugin );
+            }
+        }
+
+        return tPlugins;
+    }
     const QHash< QString, QObject* > loadPlugins() const;
 
 private: