Trade: allow instantiating importer plugins with access to manager.

src/Magnum/Trade/AbstractImporter.cpp

@@ -25,6 +25,7 @@
 
 #include "AbstractImporter.h"
 
+#include <Corrade/PluginManager/Manager.h>
 #include <Corrade/Containers/Array.h>
 #include <Corrade/Utility/Assert.h>
 #include <Corrade/Utility/Directory.h>
@@ -44,7 +45,9 @@ namespace Magnum { namespace Trade {
 
 AbstractImporter::AbstractImporter() = default;
 
-AbstractImporter::AbstractImporter(PluginManager::AbstractManager& manager, std::string plugin): AbstractPlugin(manager, std::move(plugin)) {}
+AbstractImporter::AbstractImporter(PluginManager::Manager<AbstractImporter>& manager): AbstractManagingPlugin{manager} {}
+
+AbstractImporter::AbstractImporter(PluginManager::AbstractManager& manager, std::string plugin): AbstractManagingPlugin(manager, std::move(plugin)) {}
 
 bool AbstractImporter::openData(Containers::ArrayReference<const unsigned char> data) {
     CORRADE_ASSERT(features() & Feature::OpenData,

src/Magnum/Trade/AbstractImporter.h

@@ -31,7 +31,7 @@
 
 #include <memory>
 #include <Corrade/Containers/EnumSet.h>
-#include <Corrade/PluginManager/AbstractPlugin.h>
+#include <Corrade/PluginManager/AbstractManagingPlugin.h>
 
 #include "Magnum/Magnum.h"
 #include "Magnum/visibility.h"
@@ -74,7 +74,7 @@ checked by the implementation:
 
 @todo How to handle casting from std::unique_ptr<> in more convenient way?
 */
-class MAGNUM_EXPORT AbstractImporter: public PluginManager::AbstractPlugin {
+class MAGNUM_EXPORT AbstractImporter: public PluginManager::AbstractManagingPlugin<AbstractImporter> {
     CORRADE_PLUGIN_INTERFACE("cz.mosra.magnum.Trade.AbstractImporter/0.3")
 
     public:
@@ -94,6 +94,9 @@ class MAGNUM_EXPORT AbstractImporter: public PluginManager::AbstractPlugin {
         /** @brief Default constructor */
         explicit AbstractImporter();
 
+        /** @brief Default constructor with access to plugin manaer */
+        explicit AbstractImporter(PluginManager::Manager<AbstractImporter>& manager);
+
         /** @brief Plugin manager constructor */
         explicit AbstractImporter(PluginManager::AbstractManager& manager, std::string plugin);