Files
yabridge/src/common/serialization/vst3/component-handler/component-handler-bus-activation.h
T
2022-04-16 20:37:10 +02:00

103 lines
3.1 KiB
C++

// yabridge: a Wine plugin bridge
// Copyright (C) 2020-2022 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/in-place-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() noexcept;
/**
* Check whether an existing implementation implements
* `IComponentHandlerBusActivation` and read arguments from it.
*/
ConstructArgs(Steinberg::IPtr<Steinberg::FUnknown> object) noexcept;
/**
* 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(ConstructArgs&& args) noexcept;
inline bool supported() const noexcept { return arguments_.supported; }
/**
* Message to pass through a call to
* `IComponentHandlerBusActivation::requestBusActivation(type, dir, index,
* state)` to the component handler provided by the host.
*/
struct RequestBusActivation {
using Response = UniversalTResult;
native_size_t owner_instance_id;
Steinberg::Vst::MediaType type;
Steinberg::Vst::BusDirection dir;
int32 index;
TBool state;
template <typename S>
void serialize(S& s) {
s.value8b(owner_instance_id);
s.value4b(type);
s.value4b(dir);
s.value4b(index);
s.value1b(state);
}
};
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