зеркало из https://github.com/mozilla/gecko-dev.git
87 строки
2.9 KiB
C++
87 строки
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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namespace mozilla {
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namespace dom {
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struct AssignedNodesOptions;
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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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virtual nsresult Clone(dom::NodeInfo*, nsINode** aResult) const override;
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// nsIContent
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virtual nsresult BindToTree(BindContext&, nsINode& aParent) override;
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virtual void UnbindFromTree(bool aNullParent) override;
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virtual nsresult BeforeSetAttr(int32_t aNameSpaceID, nsAtom* aName,
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const nsAttrValueOrString* aValue,
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bool aNotify) override;
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virtual nsresult AfterSetAttr(int32_t aNameSpaceID, nsAtom* aName,
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const nsAttrValue* aValue,
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const nsAttrValue* aOldValue,
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nsIPrincipal* aSubjectPrincipal,
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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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// Helper methods
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const nsTArray<RefPtr<nsINode>>& AssignedNodes() const;
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void InsertAssignedNode(uint32_t aIndex, nsINode* aNode);
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void AppendAssignedNode(nsINode* aNode);
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void RemoveAssignedNode(nsINode* aNode);
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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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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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// 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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};
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} // namespace dom
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} // namespace mozilla
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#endif // mozilla_dom_HTMLSlotElement_h
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