mirror of
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126 lines
4.0 KiB
C++
126 lines
4.0 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_HTMLContentElement_h__
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#define mozilla_dom_HTMLContentElement_h__
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#include "nsINodeList.h"
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#include "nsGenericHTMLElement.h"
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struct nsCSSSelectorList;
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namespace mozilla {
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namespace dom {
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class DistributedContentList;
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class HTMLContentElement final : public nsGenericHTMLElement
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{
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public:
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explicit HTMLContentElement(already_AddRefed<mozilla::dom::NodeInfo>& aNodeInfo);
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NS_IMPL_FROMCONTENT_HTML_WITH_TAG(HTMLContentElement, content)
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// nsISupports
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NS_DECL_ISUPPORTS_INHERITED
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NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(HTMLContentElement,
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nsGenericHTMLElement)
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virtual nsresult Clone(mozilla::dom::NodeInfo *aNodeInfo, nsINode **aResult) const override;
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virtual nsIDOMNode* AsDOMNode() override { return this; }
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virtual nsresult BindToTree(nsIDocument* aDocument, nsIContent* aParent,
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nsIContent* aBindingParent,
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bool aCompileEventHandlers) override;
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virtual void UnbindFromTree(bool aDeep = true,
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bool aNullParent = true) override;
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/**
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* Returns whether if the selector of this insertion point
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* matches the provided content.
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*/
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bool Match(nsIContent* aContent);
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bool IsInsertionPoint() const { return mIsInsertionPoint; }
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nsCOMArray<nsIContent>& MatchedNodes() { return mMatchedNodes; }
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void AppendMatchedNode(nsIContent* aContent);
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void RemoveMatchedNode(nsIContent* aContent);
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void InsertMatchedNode(uint32_t aIndex, nsIContent* aContent);
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void ClearMatchedNodes();
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virtual nsresult SetAttr(int32_t aNameSpaceID, nsIAtom* aName,
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nsIAtom* aPrefix, const nsAString& aValue,
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bool aNotify) override;
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virtual nsresult UnsetAttr(int32_t aNameSpaceID, nsIAtom* aAttribute,
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bool aNotify) override;
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// WebIDL methods.
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already_AddRefed<DistributedContentList> GetDistributedNodes();
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void GetSelect(nsAString& aSelect)
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{
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Element::GetAttr(kNameSpaceID_None, nsGkAtoms::select, aSelect);
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}
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void SetSelect(const nsAString& aSelect)
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{
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Element::SetAttr(kNameSpaceID_None, nsGkAtoms::select, aSelect, true);
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}
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protected:
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virtual ~HTMLContentElement();
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virtual JSObject* WrapNode(JSContext *aCx, JS::Handle<JSObject*> aGivenProto) override;
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/**
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* Updates the destination insertion points of the fallback
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* content of this insertion point. If there are nodes matched
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* to this insertion point, then destination insertion points
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* of fallback are cleared, otherwise, this insertion point
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* is a destination insertion point.
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*/
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void UpdateFallbackDistribution();
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/**
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* An array of nodes from the ShadowRoot host that match the
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* content insertion selector.
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*/
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nsCOMArray<nsIContent> mMatchedNodes;
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nsAutoPtr<nsCSSSelectorList> mSelectorList;
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bool mValidSelector;
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bool mIsInsertionPoint;
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};
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class DistributedContentList : public nsINodeList
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{
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public:
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explicit DistributedContentList(HTMLContentElement* aHostElement);
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NS_DECL_CYCLE_COLLECTING_ISUPPORTS
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NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS(DistributedContentList)
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// nsIDOMNodeList
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NS_DECL_NSIDOMNODELIST
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// nsINodeList
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virtual nsIContent* Item(uint32_t aIndex) override;
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virtual int32_t IndexOf(nsIContent* aContent) override;
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virtual nsINode* GetParentObject() override { return mParent; }
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virtual JSObject* WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) override;
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protected:
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virtual ~DistributedContentList();
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RefPtr<HTMLContentElement> mParent;
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nsCOMArray<nsIContent> mDistributedNodes;
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};
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} // namespace dom
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} // namespace mozilla
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#endif // mozilla_dom_HTMLContentElement_h__
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