/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ /* 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/. */ #include "mozilla/dom/ContainerBoxObject.h" #include "mozilla/dom/ContainerBoxObjectBinding.h" #include "nsCOMPtr.h" #include "nsIDocShell.h" #include "nsIContent.h" #include "nsIDocument.h" #include "nsIFrame.h" #include "nsSubDocumentFrame.h" namespace mozilla { namespace dom { ContainerBoxObject::ContainerBoxObject() { } ContainerBoxObject::~ContainerBoxObject() { } JSObject* ContainerBoxObject::WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) { return ContainerBoxObjectBinding::Wrap(aCx, this, aGivenProto); } already_AddRefed<nsIDocShell> ContainerBoxObject::GetDocShell() { nsSubDocumentFrame *subDocFrame = do_QueryFrame(GetFrame(false)); if (subDocFrame) { // Ok, the frame for mContent is an nsSubDocumentFrame, it knows how // to reach the docshell, so ask it... nsCOMPtr<nsIDocShell> ret; subDocFrame->GetDocShell(getter_AddRefs(ret)); return ret.forget(); } if (!mContent) { return nullptr; } // No nsSubDocumentFrame available for mContent, try if there's a mapping // between mContent's document to mContent's subdocument. nsIDocument *doc = mContent->GetComposedDoc(); if (!doc) { return nullptr; } nsIDocument *sub_doc = doc->GetSubDocumentFor(mContent); if (!sub_doc) { return nullptr; } nsCOMPtr<nsIDocShell> result = sub_doc->GetDocShell(); return result.forget(); } } // namespace dom } // namespace mozilla nsresult NS_NewContainerBoxObject(nsIBoxObject** aResult) { NS_ADDREF(*aResult = new mozilla::dom::ContainerBoxObject()); return NS_OK; }