gecko-dev/dom/webgpu/ObjectModel.h

74 строки
2.0 KiB
C++

/* -*- 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/. */
#ifndef WEBGPU_OBJECT_MODEL_H_
#define WEBGPU_OBJECT_MODEL_H_
#include "nsWrapperCache.h"
class nsIGlobalObject;
namespace mozilla {
namespace webgpu {
template<typename T>
class ChildOf
: public nsWrapperCache
{
public:
const RefPtr<T> mParent;
explicit ChildOf(T* parent = nullptr); // TODO: This can't be nullptr eventually.
protected:
virtual ~ChildOf();
public:
nsIGlobalObject* GetParentObject() const;
};
} // namespace webgpu
} // namespace mozilla
#define WEBGPU_DECL_GOOP(T) \
NS_INLINE_DECL_CYCLE_COLLECTING_NATIVE_REFCOUNTING(T) \
NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_NATIVE_CLASS(T) \
virtual JSObject* WrapObject(JSContext* cx, JS::Handle<JSObject*> givenProto) override;
#define WEBGPU_IMPL_GOOP_INTERNAL(T) \
JSObject* \
T::WrapObject(JSContext* cx, JS::Handle<JSObject*> givenProto) \
{ \
return dom::WebGPU ## T ## _Binding::Wrap(cx, this, givenProto); \
} \
NS_IMPL_CYCLE_COLLECTION_ROOT_NATIVE(T, AddRef) \
NS_IMPL_CYCLE_COLLECTION_UNROOT_NATIVE(T, Release)
#define WEBGPU_IMPL_GOOP(T,...) \
WEBGPU_IMPL_GOOP_INTERNAL(T) \
NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE(T, mParent, __VA_ARGS__)
#define WEBGPU_IMPL_GOOP_0(T) \
WEBGPU_IMPL_GOOP_INTERNAL(T) \
NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE(T, mParent)
template<typename T>
void
ImplCycleCollectionTraverse(nsCycleCollectionTraversalCallback& callback,
const RefPtr<T>& field,
const char* name, uint32_t flags)
{
CycleCollectionNoteChild(callback, field.get(), name, flags);
}
template<typename T>
void
ImplCycleCollectionUnlink(const RefPtr<T>& field)
{
const auto mutPtr = const_cast< RefPtr<T>* >(&field);
ImplCycleCollectionUnlink(*mutPtr);
}
#endif // WEBGPU_OBJECT_MODEL_H_