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/* -*- 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;
}
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