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	Much like BindToTree. This will be useful because I need to pass more information through UnbindFromTree() to speed up dir=auto for bug 1874040. Differential Revision: https://phabricator.services.mozilla.com/D202215
		
			
				
	
	
		
			88 lines
		
	
	
	
		
			2.9 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			88 lines
		
	
	
	
		
			2.9 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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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 mozilla_dom_HTMLSlotElement_h
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#define mozilla_dom_HTMLSlotElement_h
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#include "nsGenericHTMLElement.h"
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#include "nsTArray.h"
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#include "mozilla/dom/HTMLSlotElementBinding.h"
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namespace mozilla::dom {
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class HTMLSlotElement final : public nsGenericHTMLElement {
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 public:
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  explicit HTMLSlotElement(
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      already_AddRefed<mozilla::dom::NodeInfo>&& aNodeInfo);
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  NS_IMPL_FROMNODE_HTML_WITH_TAG(HTMLSlotElement, slot)
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  NS_DECL_ISUPPORTS_INHERITED
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  NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(HTMLSlotElement,
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                                           nsGenericHTMLElement)
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  nsresult Clone(dom::NodeInfo*, nsINode** aResult) const override;
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  // nsIContent
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  nsresult BindToTree(BindContext&, nsINode& aParent) override;
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  void UnbindFromTree(UnbindContext&) override;
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  void BeforeSetAttr(int32_t aNameSpaceID, nsAtom* aName,
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                     const nsAttrValue* aValue, bool aNotify) override;
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  void AfterSetAttr(int32_t aNameSpaceID, nsAtom* aName,
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                    const nsAttrValue* aValue, const nsAttrValue* aOldValue,
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                    nsIPrincipal* aSubjectPrincipal, bool aNotify) override;
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  // WebIDL
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  void SetName(const nsAString& aName, ErrorResult& aRv) {
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    SetHTMLAttr(nsGkAtoms::name, aName, aRv);
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  }
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  void GetName(nsAString& aName) { GetHTMLAttr(nsGkAtoms::name, aName); }
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  void AssignedNodes(const AssignedNodesOptions& aOptions,
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                     nsTArray<RefPtr<nsINode>>& aNodes);
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  void AssignedElements(const AssignedNodesOptions& aOptions,
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                        nsTArray<RefPtr<Element>>& aNodes);
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  void Assign(const Sequence<OwningElementOrText>& aNodes);
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  // Helper methods
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  const nsTArray<RefPtr<nsINode>>& AssignedNodes() const;
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  const nsTArray<nsINode*>& ManuallyAssignedNodes() const;
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  void InsertAssignedNode(uint32_t aIndex, nsIContent&);
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  void AppendAssignedNode(nsIContent&);
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  void RemoveAssignedNode(nsIContent&);
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  void ClearAssignedNodes();
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  void EnqueueSlotChangeEvent();
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  void RemovedFromSignalSlotList() {
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    MOZ_ASSERT(mInSignalSlotList);
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    mInSignalSlotList = false;
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  }
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  void FireSlotChangeEvent();
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  void RemoveManuallyAssignedNode(nsIContent&);
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 protected:
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  virtual ~HTMLSlotElement();
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  JSObject* WrapNode(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) final;
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  nsTArray<RefPtr<nsINode>> mAssignedNodes;
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  nsTArray<nsINode*> mManuallyAssignedNodes;
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  // Whether we're in the signal slot list of our unit of related similar-origin
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  // browsing contexts.
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  //
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  // https://dom.spec.whatwg.org/#signal-slot-list
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  bool mInSignalSlotList = false;
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  bool mInManualShadowRoot = false;
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};
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}  // namespace mozilla::dom
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#endif  // mozilla_dom_HTMLSlotElement_h
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