/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ /* vim: set ts=8 sts=2 et sw=2 tw=80: */ /* This Source Code Form is subject to the terms of the Mozilla Public * License, v. 2.0. If a copy of the MPL was not distributed with this * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ #ifndef mozilla_dom_HTMLContentElement_h__ #define mozilla_dom_HTMLContentElement_h__ #include "nsAutoPtr.h" #include "nsINodeList.h" #include "nsGenericHTMLElement.h" struct nsCSSSelectorList; namespace mozilla { namespace dom { class DistributedContentList; class HTMLContentElement final : public nsGenericHTMLElement { public: explicit HTMLContentElement(already_AddRefed<mozilla::dom::NodeInfo>& aNodeInfo); // nsISupports NS_DECL_ISUPPORTS_INHERITED NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(HTMLContentElement, nsGenericHTMLElement) static HTMLContentElement* FromContent(nsIContent* aContent) { if (aContent->IsHTMLContentElement()) { return static_cast<HTMLContentElement*>(aContent); } return nullptr; } virtual bool IsHTMLContentElement() const override { return true; } virtual nsresult Clone(mozilla::dom::NodeInfo *aNodeInfo, nsINode **aResult) const override; virtual nsIDOMNode* AsDOMNode() override { return this; } virtual nsresult BindToTree(nsIDocument* aDocument, nsIContent* aParent, nsIContent* aBindingParent, bool aCompileEventHandlers) override; virtual void UnbindFromTree(bool aDeep = true, bool aNullParent = true) override; /** * Returns whether if the selector of this insertion point * matches the provided content. */ bool Match(nsIContent* aContent); bool IsInsertionPoint() const { return mIsInsertionPoint; } nsCOMArray<nsIContent>& MatchedNodes() { return mMatchedNodes; } void AppendMatchedNode(nsIContent* aContent); void RemoveMatchedNode(nsIContent* aContent); void InsertMatchedNode(uint32_t aIndex, nsIContent* aContent); void ClearMatchedNodes(); virtual nsresult SetAttr(int32_t aNameSpaceID, nsIAtom* aName, nsIAtom* aPrefix, const nsAString& aValue, bool aNotify) override; virtual nsresult UnsetAttr(int32_t aNameSpaceID, nsIAtom* aAttribute, bool aNotify) override; // WebIDL methods. already_AddRefed<DistributedContentList> GetDistributedNodes(); void GetSelect(nsAString& aSelect) { Element::GetAttr(kNameSpaceID_None, nsGkAtoms::select, aSelect); } void SetSelect(const nsAString& aSelect) { Element::SetAttr(kNameSpaceID_None, nsGkAtoms::select, aSelect, true); } protected: virtual ~HTMLContentElement(); virtual JSObject* WrapNode(JSContext *aCx, JS::Handle<JSObject*> aGivenProto) override; /** * Updates the destination insertion points of the fallback * content of this insertion point. If there are nodes matched * to this insertion point, then destination insertion points * of fallback are cleared, otherwise, this insertion point * is a destination insertion point. */ void UpdateFallbackDistribution(); /** * An array of nodes from the ShadowRoot host that match the * content insertion selector. */ nsCOMArray<nsIContent> mMatchedNodes; nsAutoPtr<nsCSSSelectorList> mSelectorList; bool mValidSelector; bool mIsInsertionPoint; }; class DistributedContentList : public nsINodeList { public: explicit DistributedContentList(HTMLContentElement* aHostElement); NS_DECL_CYCLE_COLLECTING_ISUPPORTS NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS(DistributedContentList) // nsIDOMNodeList NS_DECL_NSIDOMNODELIST // nsINodeList virtual nsIContent* Item(uint32_t aIndex) override; virtual int32_t IndexOf(nsIContent* aContent) override; virtual nsINode* GetParentObject() override { return mParent; } virtual JSObject* WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) override; protected: virtual ~DistributedContentList(); RefPtr<HTMLContentElement> mParent; nsCOMArray<nsIContent> mDistributedNodes; }; } // namespace dom } // namespace mozilla #endif // mozilla_dom_HTMLContentElement_h__