forked from mirrors/gecko-dev
		
	
		
			
				
	
	
		
			67 lines
		
	
	
	
		
			2.2 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			67 lines
		
	
	
	
		
			2.2 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
| /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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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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| 
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| #ifndef WEBGPU_OBJECT_MODEL_H_
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| #define WEBGPU_OBJECT_MODEL_H_
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| 
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| #include "nsWrapperCache.h"
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| 
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| class nsIGlobalObject;
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| 
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| namespace mozilla {
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| namespace webgpu {
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| 
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| template <typename T>
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| class ChildOf : public nsWrapperCache {
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|  public:
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|   const RefPtr<T> mParent;
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| 
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|   explicit ChildOf(
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|       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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| 
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|  public:
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|   nsIGlobalObject* GetParentObject() const;
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| };
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| 
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| }  // namespace webgpu
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| }  // namespace mozilla
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| 
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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,            \
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|                                JS::Handle<JSObject*> givenProto) override;
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| 
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| #define WEBGPU_IMPL_GOOP_INTERNAL(T)                                         \
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|   JSObject* T::WrapObject(JSContext* cx, JS::Handle<JSObject*> givenProto) { \
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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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| 
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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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| 
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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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| 
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| template <typename T>
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| void ImplCycleCollectionTraverse(nsCycleCollectionTraversalCallback& callback,
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|                                  const RefPtr<T>& field, const char* name,
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|                                  uint32_t flags) {
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|   CycleCollectionNoteChild(callback, field.get(), name, flags);
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| }
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| 
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| template <typename T>
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| void ImplCycleCollectionUnlink(const RefPtr<T>& field) {
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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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| 
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| #endif  // WEBGPU_OBJECT_MODEL_H_
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