dom/base/DOMImplementation.h

   1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */
   3 /* This Source Code Form is subject to the terms of the Mozilla Public
   4  * License, v. 2.0. If a copy of the MPL was not distributed with this
   5  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   6
   7 #ifndef mozilla_dom_DOMImplementation_h
   8 #define mozilla_dom_DOMImplementation_h
   9
  10 #include "nsWrapperCache.h"
  11
  12 #include "mozilla/Attributes.h"
  13 #include "mozilla/ErrorResult.h"
  14 #include "nsCOMPtr.h"
  15 #include "nsCycleCollectionParticipant.h"
  16 #include "mozilla/dom/Document.h"
  17 #include "nsIScriptGlobalObject.h"
  18 #include "nsIURI.h"
  19 #include "nsIWeakReferenceUtils.h"
  20 #include "nsString.h"
  21
  22 namespace mozilla {
  23 namespace dom {
  24 class Document;
  25 class DocumentType;
  26
  27 class DOMImplementation final : public nsISupports, public nsWrapperCache {
  28   ~DOMImplementation() {}
  29
  30  public:
  31   DOMImplementation(Document* aOwner, nsIGlobalObject* aScriptObject,
  32                     nsIURI* aDocumentURI, nsIURI* aBaseURI)
  33       : mOwner(aOwner),
  34         mScriptObject(do_GetWeakReference(aScriptObject)),
  35         mDocumentURI(aDocumentURI),
  36         mBaseURI(aBaseURI) {
  37     MOZ_ASSERT(aOwner);
  38   }
  39
  40   NS_DECL_CYCLE_COLLECTING_ISUPPORTS
  41   NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS(DOMImplementation)
  42
  43   Document* GetParentObject() const { return mOwner; }
  44
  45   virtual JSObject* WrapObject(JSContext* aCx,
  46                                JS::Handle<JSObject*> aGivenProto) override;
  47
  48   bool HasFeature() { return true; }
  49
  50   already_AddRefed<DocumentType> CreateDocumentType(
  51       const nsAString& aQualifiedName, const nsAString& aPublicId,
  52       const nsAString& aSystemId, ErrorResult& aRv);
  53
  54   already_AddRefed<Document> CreateDocument(const nsAString& aNamespaceURI,
  55                                             const nsAString& aQualifiedName,
  56                                             DocumentType* aDoctype,
  57                                             ErrorResult& aRv);
  58
  59   already_AddRefed<Document> CreateHTMLDocument(
  60       const Optional<nsAString>& aTitle, ErrorResult& aRv);
  61
  62  private:
  63   nsresult CreateDocument(const nsAString& aNamespaceURI,
  64                           const nsAString& aQualifiedName,
  65                           DocumentType* aDoctype, Document** aDocument);
  66   nsresult CreateHTMLDocument(const nsAString& aTitle, Document** aDocument);
  67
  68   nsCOMPtr<Document> mOwner;
  69   nsWeakPtr mScriptObject;
  70   nsCOMPtr<nsIURI> mDocumentURI;
  71   nsCOMPtr<nsIURI> mBaseURI;
  72 };
  73
  74 }  // namespace dom
  75 }  // namespace mozilla
  76
  77 #endif  // mozilla_dom_DOMImplementation_h