зеркало из https://github.com/mozilla/gecko-dev.git
74 строки
2.0 KiB
C
74 строки
2.0 KiB
C
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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef WEBGPU_OBJECT_MODEL_H_
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#define WEBGPU_OBJECT_MODEL_H_
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#include "nsWrapperCache.h"
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class nsIGlobalObject;
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namespace mozilla {
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namespace webgpu {
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template<typename T>
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class ChildOf
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: public nsWrapperCache
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{
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public:
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const RefPtr<T> mParent;
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explicit ChildOf(T* parent = nullptr); // TODO: This can't be nullptr eventually.
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protected:
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virtual ~ChildOf();
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public:
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nsIGlobalObject* GetParentObject() const;
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};
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} // namespace webgpu
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} // namespace mozilla
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#define WEBGPU_DECL_GOOP(T) \
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NS_INLINE_DECL_CYCLE_COLLECTING_NATIVE_REFCOUNTING(T) \
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NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_NATIVE_CLASS(T) \
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virtual JSObject* WrapObject(JSContext* cx, JS::Handle<JSObject*> givenProto) override;
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#define WEBGPU_IMPL_GOOP_INTERNAL(T) \
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JSObject* \
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T::WrapObject(JSContext* cx, JS::Handle<JSObject*> givenProto) \
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{ \
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return dom::WebGPU ## T ## _Binding::Wrap(cx, this, givenProto); \
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} \
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NS_IMPL_CYCLE_COLLECTION_ROOT_NATIVE(T, AddRef) \
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NS_IMPL_CYCLE_COLLECTION_UNROOT_NATIVE(T, Release)
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#define WEBGPU_IMPL_GOOP(T,...) \
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WEBGPU_IMPL_GOOP_INTERNAL(T) \
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NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE(T, mParent, __VA_ARGS__)
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#define WEBGPU_IMPL_GOOP_0(T) \
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WEBGPU_IMPL_GOOP_INTERNAL(T) \
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NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE(T, mParent)
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template<typename T>
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void
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ImplCycleCollectionTraverse(nsCycleCollectionTraversalCallback& callback,
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const RefPtr<T>& field,
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const char* name, uint32_t flags)
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{
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CycleCollectionNoteChild(callback, field.get(), name, flags);
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}
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template<typename T>
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void
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ImplCycleCollectionUnlink(const RefPtr<T>& field)
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{
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const auto mutPtr = const_cast< RefPtr<T>* >(&field);
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ImplCycleCollectionUnlink(*mutPtr);
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}
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#endif // WEBGPU_OBJECT_MODEL_H_
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