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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 "inLayoutUtils.h"
#include "nsIDocument.h"
#include "nsIDOMDocument.h"
#include "nsIContent.h"
#include "nsIContentViewer.h"
#include "nsPIDOMWindow.h"
#include "nsIDocShell.h"
#include "nsIPresShell.h"
#include "nsPresContext.h"
#include "mozilla/EventStateManager.h"
#include "mozilla/dom/Element.h"
using namespace mozilla;
///////////////////////////////////////////////////////////////////////////////
EventStateManager*
inLayoutUtils::GetEventStateManagerFor(nsIDOMElement *aElement)
{
NS_PRECONDITION(aElement, "Passing in a null element is bad");
nsCOMPtr<nsIDOMDocument> domDoc;
aElement->GetOwnerDocument(getter_AddRefs(domDoc));
nsCOMPtr<nsIDocument> doc = do_QueryInterface(domDoc);
if (!doc) {
NS_WARNING("Could not get an nsIDocument!");
return nullptr;
}
nsIPresShell *shell = doc->GetShell();
if (!shell)
return nullptr;
return shell->GetPresContext()->EventStateManager();
}
nsIDOMDocument*
inLayoutUtils::GetSubDocumentFor(nsIDOMNode* aNode)
{
nsCOMPtr<nsIContent> content = do_QueryInterface(aNode);
if (content) {
nsCOMPtr<nsIDocument> doc = content->GetComposedDoc();
if (doc) {
nsCOMPtr<nsIDOMDocument> domdoc(do_QueryInterface(doc->GetSubDocumentFor(content)));
return domdoc;
}
}
return nullptr;
}
nsIDOMNode*
inLayoutUtils::GetContainerFor(const nsIDocument& aDoc)
{
nsPIDOMWindowOuter* pwin = aDoc.GetWindow();
if (!pwin) {
return nullptr;
}
nsCOMPtr<nsIDOMNode> node = do_QueryInterface(pwin->GetFrameElementInternal());
return node;
}
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