/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */

/* This Source Code Form is subject to the terms of the Mozilla Public

 * License, v. 2.0. If a copy of the MPL was not distributed with this

 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#include "Instance.h"

#include "Adapter.h"

#include "InstanceProvider.h"

#include "mozilla/dom/WebGPUBinding.h"

#include "nsIGlobalObject.h"

namespace mozilla {

namespace webgpu {

/*static*/ RefPtr<Instance>

Instance::Create(nsIGlobalObject* parent)

{

    return new Instance(parent);

}

Instance::Instance(nsIGlobalObject* parent)

    : mParent(parent)

{

}

Instance::~Instance() = default;

already_AddRefed<Adapter>

Instance::GetAdapter(const dom::WebGPUAdapterDescriptor& desc) const

{

    MOZ_CRASH("todo");

}

template<typename T>

void

ImplCycleCollectionTraverse(nsCycleCollectionTraversalCallback& callback,

                            const nsCOMPtr<T>& field,

                            const char* name, uint32_t flags)

{

    CycleCollectionNoteChild(callback, field.get(), name, flags);

}

template<typename T>

void

ImplCycleCollectionUnlink(const nsCOMPtr<T>& field)

{

    const auto mut = const_cast<nsCOMPtr<T>*>(&field);

    *mut = nullptr;

}

JSObject*

Instance::WrapObject(JSContext* cx, JS::Handle<JSObject*> givenProto)

{

    return dom::WebGPU_Binding::Wrap(cx, this, givenProto);

}

NS_IMPL_CYCLE_COLLECTION_ROOT_NATIVE(Instance, AddRef)

NS_IMPL_CYCLE_COLLECTION_UNROOT_NATIVE(Instance, Release)

NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE(Instance, mParent)

} // namespace webgpu

} // namespace mozilla