Add stubs for IComponentHandler2

src/common/serialization/vst3/component-handler-proxy.cpp

@@ -23,10 +23,12 @@ Vst3ComponentHandlerProxy::ConstructArgs::ConstructArgs(
     size_t owner_instance_id)
     : owner_instance_id(owner_instance_id),
       component_handler_args(object),
+      component_handler_2_args(object),
       unit_handler_args(object) {}
 
 Vst3ComponentHandlerProxy::Vst3ComponentHandlerProxy(const ConstructArgs&& args)
     : YaComponentHandler(std::move(args.component_handler_args)),
+      YaComponentHandler2(std::move(args.component_handler_2_args)),
       YaUnitHandler(std::move(args.unit_handler_args)),
       arguments(std::move(args)){FUNKNOWN_CTOR}
 
@@ -48,6 +50,10 @@ Vst3ComponentHandlerProxy::queryInterface(Steinberg::FIDString _iid,
         QUERY_INTERFACE(_iid, obj, Steinberg::Vst::IComponentHandler::iid,
                         Steinberg::Vst::IComponentHandler)
     }
+    if (YaComponentHandler2::supported()) {
+        QUERY_INTERFACE(_iid, obj, Steinberg::Vst::IComponentHandler2::iid,
+                        Steinberg::Vst::IComponentHandler2)
+    }
     if (YaUnitHandler::supported()) {
         QUERY_INTERFACE(_iid, obj, Steinberg::Vst::IUnitHandler::iid,
                         Steinberg::Vst::IUnitHandler)

src/common/serialization/vst3/component-handler-proxy.h

@@ -17,6 +17,7 @@
 #pragma once
 
 #include "../common.h"
+#include "component-handler/component-handler-2.h"
 #include "component-handler/component-handler.h"
 #include "component-handler/unit-handler.h"
 
@@ -32,6 +33,7 @@
  * plugin by the host.
  */
 class Vst3ComponentHandlerProxy : public YaComponentHandler,
+                                  public YaComponentHandler2,
                                   public YaUnitHandler {
    public:
     /**
@@ -57,12 +59,14 @@ class Vst3ComponentHandlerProxy : public YaComponentHandler,
         native_size_t owner_instance_id;
 
         YaComponentHandler::ConstructArgs component_handler_args;
+        YaComponentHandler2::ConstructArgs component_handler_2_args;
         YaUnitHandler::ConstructArgs unit_handler_args;
 
         template <typename S>
         void serialize(S& s) {
             s.value8b(owner_instance_id);
             s.object(component_handler_args);
+            s.object(component_handler_2_args);
             s.object(unit_handler_args);
         }
     };