gecko-dev/layout/inspector/inLayoutUtils.cpp

51 строка
1.4 KiB
C++

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* 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 "inLayoutUtils.h"
#include "mozilla/dom/Document.h"
#include "nsIContent.h"
#include "nsIContentViewer.h"
#include "nsPIDOMWindow.h"
#include "nsIDocShell.h"
#include "nsPresContext.h"
#include "mozilla/EventStateManager.h"
#include "mozilla/dom/DocumentInlines.h"
#include "mozilla/dom/Element.h"
using namespace mozilla;
///////////////////////////////////////////////////////////////////////////////
EventStateManager* inLayoutUtils::GetEventStateManagerFor(Element& aElement) {
Document* doc = aElement.OwnerDoc();
nsPresContext* presContext = doc->GetPresContext();
if (!presContext) return nullptr;
return presContext->EventStateManager();
}
Document* inLayoutUtils::GetSubDocumentFor(nsINode* aNode) {
nsCOMPtr<nsIContent> content = do_QueryInterface(aNode);
if (content) {
nsCOMPtr<Document> doc = content->GetComposedDoc();
if (doc) {
return doc->GetSubDocumentFor(content);
}
}
return nullptr;
}
nsINode* inLayoutUtils::GetContainerFor(const Document& aDoc) {
nsPIDOMWindowOuter* pwin = aDoc.GetWindow();
if (!pwin) {
return nullptr;
}
return pwin->GetFrameElementInternal();
}