зеркало из https://github.com/mozilla/gecko-dev.git
114 строки
3.5 KiB
C++
114 строки
3.5 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_DocumentFragment_h__
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#define mozilla_dom_DocumentFragment_h__
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#include "mozilla/Attributes.h"
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#include "mozilla/dom/BorrowedAttrInfo.h"
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#include "mozilla/dom/FragmentOrElement.h"
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#include "nsStringFwd.h"
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// XXX Avoid including this here by moving function bodies to the cpp file.
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#include "mozilla/dom/Element.h"
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class nsAtom;
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class nsIContent;
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namespace mozilla::dom {
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class Document;
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class Element;
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class DocumentFragment : public FragmentOrElement {
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private:
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void Init() {
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MOZ_ASSERT(mNodeInfo->NodeType() == DOCUMENT_FRAGMENT_NODE &&
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mNodeInfo->Equals(nsGkAtoms::documentFragmentNodeName,
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kNameSpaceID_None),
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"Bad NodeType in aNodeInfo");
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}
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public:
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using FragmentOrElement::GetFirstChild;
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using nsINode::QuerySelector;
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using nsINode::QuerySelectorAll;
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// Make sure bindings can see our superclass' protected GetElementById method.
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using nsINode::GetElementById;
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// nsISupports
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NS_DECL_ISUPPORTS_INHERITED
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NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(DocumentFragment, FragmentOrElement)
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explicit DocumentFragment(already_AddRefed<dom::NodeInfo>&& aNodeInfo)
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: FragmentOrElement(std::move(aNodeInfo)), mHost(nullptr) {
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Init();
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}
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explicit DocumentFragment(nsNodeInfoManager* aNodeInfoManager)
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: FragmentOrElement(aNodeInfoManager->GetNodeInfo(
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nsGkAtoms::documentFragmentNodeName, nullptr, kNameSpaceID_None,
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DOCUMENT_FRAGMENT_NODE)),
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mHost(nullptr) {
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Init();
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}
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NS_IMPL_FROMNODE_HELPER(DocumentFragment, IsDocumentFragment());
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JSObject* WrapNode(JSContext* aCx,
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JS::Handle<JSObject*> aGivenProto) override;
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nsresult BindToTree(BindContext&, nsINode& aParent) override {
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NS_ASSERTION(false, "Trying to bind a fragment to a tree");
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return NS_ERROR_NOT_IMPLEMENTED;
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}
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virtual void UnbindFromTree(bool aNullParent) override {
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NS_ASSERTION(false, "Trying to unbind a fragment from a tree");
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}
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Element* GetNameSpaceElement() override { return nullptr; }
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Element* GetHost() const { return mHost; }
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void SetHost(Element* aHost) { mHost = aHost; }
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void GetInnerHTML(nsAString& aInnerHTML) { GetMarkup(false, aInnerHTML); }
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void SetInnerHTML(const nsAString& aInnerHTML, ErrorResult& aError) {
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SetInnerHTMLInternal(aInnerHTML, aError);
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}
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static already_AddRefed<DocumentFragment> Constructor(
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const GlobalObject& aGlobal, ErrorResult& aRv);
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#ifdef MOZ_DOM_LIST
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virtual void List(FILE* out, int32_t aIndent) const override;
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virtual void DumpContent(FILE* out, int32_t aIndent,
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bool aDumpAll) const override;
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#endif
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protected:
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virtual ~DocumentFragment() = default;
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nsresult Clone(dom::NodeInfo* aNodeInfo, nsINode** aResult) const override;
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RefPtr<Element> mHost;
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};
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} // namespace mozilla::dom
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inline mozilla::dom::DocumentFragment* nsINode::AsDocumentFragment() {
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MOZ_ASSERT(IsDocumentFragment());
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return static_cast<mozilla::dom::DocumentFragment*>(this);
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}
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inline const mozilla::dom::DocumentFragment* nsINode::AsDocumentFragment()
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const {
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MOZ_ASSERT(IsDocumentFragment());
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return static_cast<const mozilla::dom::DocumentFragment*>(this);
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}
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#endif // mozilla_dom_DocumentFragment_h__
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