зеркало из https://github.com/mozilla/gecko-dev.git
129 строки
4.1 KiB
C++
129 строки
4.1 KiB
C++
/* -*- 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)
|
|
|
|
NS_IMPL_FROMCONTENT_HELPER(HTMLContentElement, IsHTMLContentElement())
|
|
|
|
virtual bool IsHTMLContentElement() const override { return true; }
|
|
|
|
virtual nsresult Clone(mozilla::dom::NodeInfo *aNodeInfo, nsINode **aResult,
|
|
bool aPreallocateChildren) 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();
|
|
|
|
// 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();
|
|
|
|
virtual nsresult AfterSetAttr(int32_t aNamespaceID, nsAtom* aName,
|
|
const nsAttrValue* aValue,
|
|
const nsAttrValue* aOldValue,
|
|
nsIPrincipal* aSubjectPrincipal,
|
|
bool aNotify) override;
|
|
|
|
/**
|
|
* 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__
|
|
|