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