Add proxy class for IComponentHandlerBusActivation

src/common/serialization/vst3/component-handler/component-handler-bus-activation.cpp

@@ -0,0 +1,28 @@
+// yabridge: a Wine VST bridge
+// Copyright (C) 2020-2021 Robbert van der Helm
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+#include "component-handler-bus-activation.h"
+
+YaComponentHandlerBusActivation::ConstructArgs::ConstructArgs() {}
+
+YaComponentHandlerBusActivation::ConstructArgs::ConstructArgs(
+    Steinberg::IPtr<Steinberg::FUnknown> object)
+    : supported(Steinberg::FUnknownPtr<
+                Steinberg::Vst::IComponentHandlerBusActivation>(object)) {}
+
+YaComponentHandlerBusActivation::YaComponentHandlerBusActivation(
+    const ConstructArgs&& args)
+    : arguments(std::move(args)) {}

src/common/serialization/vst3/component-handler/component-handler-bus-activation.h

@@ -0,0 +1,77 @@
+// yabridge: a Wine VST bridge
+// Copyright (C) 2020-2021 Robbert van der Helm
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+#pragma once
+
+#include <pluginterfaces/vst/ivsteditcontroller.h>
+#include "bitsery/ext/std_optional.h"
+
+#include "../../common.h"
+#include "../base.h"
+#include "../context-menu-proxy.h"
+
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wnon-virtual-dtor"
+
+/**
+ * Wraps around `IComponentHandlerBusActivation` for serialization purposes.
+ * This is instantiated as part of `Vst3ComponentHandlerBusActivationProxy`.
+ */
+class YaComponentHandlerBusActivation
+    : public Steinberg::Vst::IComponentHandlerBusActivation {
+   public:
+    /**
+     * These are the arguments for creating a `YaComponentHandlerBusActivation`.
+     */
+    struct ConstructArgs {
+        ConstructArgs();
+
+        /**
+         * Check whether an existing implementation implements
+         * `IComponentHandlerBusActivation` and read arguments from it.
+         */
+        ConstructArgs(Steinberg::IPtr<Steinberg::FUnknown> object);
+
+        /**
+         * Whether the object supported this interface.
+         */
+        bool supported;
+
+        template <typename S>
+        void serialize(S& s) {
+            s.value1b(supported);
+        }
+    };
+
+    /**
+     * Instantiate this instance with arguments read from another interface
+     * implementation.
+     */
+    YaComponentHandlerBusActivation(const ConstructArgs&& args);
+
+    inline bool supported() const { return arguments.supported; }
+
+    virtual tresult PLUGIN_API
+    requestBusActivation(Steinberg::Vst::MediaType type,
+                         Steinberg::Vst::BusDirection dir,
+                         int32 index,
+                         TBool state) override = 0;
+
+   protected:
+    ConstructArgs arguments;
+};
+
+#pragma GCC diagnostic pop