1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/layout/inspector/inLayoutUtils.cpp Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,103 @@
1.4 +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
1.5 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.6 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.7 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.8 +
1.9 +#include "inLayoutUtils.h"
1.10 +
1.11 +#include "nsIDocument.h"
1.12 +#include "nsIDOMDocument.h"
1.13 +#include "nsIContent.h"
1.14 +#include "nsIContentViewer.h"
1.15 +#include "nsPIDOMWindow.h"
1.16 +#include "nsIDocShell.h"
1.17 +#include "nsIPresShell.h"
1.18 +#include "nsPresContext.h"
1.19 +#include "mozilla/EventStateManager.h"
1.20 +#include "mozilla/dom/Element.h"
1.21 +
1.22 +using namespace mozilla;
1.23 +
1.24 +///////////////////////////////////////////////////////////////////////////////
1.25 +
1.26 +nsIDOMWindow*
1.27 +inLayoutUtils::GetWindowFor(nsIDOMNode* aNode)
1.28 +{
1.29 + nsCOMPtr<nsIDOMDocument> doc1;
1.30 + aNode->GetOwnerDocument(getter_AddRefs(doc1));
1.31 + return GetWindowFor(doc1.get());
1.32 +}
1.33 +
1.34 +nsIDOMWindow*
1.35 +inLayoutUtils::GetWindowFor(nsIDOMDocument* aDoc)
1.36 +{
1.37 + nsCOMPtr<nsIDOMWindow> window;
1.38 + aDoc->GetDefaultView(getter_AddRefs(window));
1.39 + return window;
1.40 +}
1.41 +
1.42 +nsIPresShell*
1.43 +inLayoutUtils::GetPresShellFor(nsISupports* aThing)
1.44 +{
1.45 + nsCOMPtr<nsPIDOMWindow> window = do_QueryInterface(aThing);
1.46 +
1.47 + return window->GetDocShell()->GetPresShell();
1.48 +}
1.49 +
1.50 +/*static*/
1.51 +nsIFrame*
1.52 +inLayoutUtils::GetFrameFor(nsIDOMElement* aElement)
1.53 +{
1.54 + nsCOMPtr<nsIContent> content = do_QueryInterface(aElement);
1.55 + return content->GetPrimaryFrame();
1.56 +}
1.57 +
1.58 +EventStateManager*
1.59 +inLayoutUtils::GetEventStateManagerFor(nsIDOMElement *aElement)
1.60 +{
1.61 + NS_PRECONDITION(aElement, "Passing in a null element is bad");
1.62 +
1.63 + nsCOMPtr<nsIDOMDocument> domDoc;
1.64 + aElement->GetOwnerDocument(getter_AddRefs(domDoc));
1.65 + nsCOMPtr<nsIDocument> doc = do_QueryInterface(domDoc);
1.66 +
1.67 + if (!doc) {
1.68 + NS_WARNING("Could not get an nsIDocument!");
1.69 + return nullptr;
1.70 + }
1.71 +
1.72 + nsIPresShell *shell = doc->GetShell();
1.73 + if (!shell)
1.74 + return nullptr;
1.75 +
1.76 + return shell->GetPresContext()->EventStateManager();
1.77 +}
1.78 +
1.79 +nsIDOMDocument*
1.80 +inLayoutUtils::GetSubDocumentFor(nsIDOMNode* aNode)
1.81 +{
1.82 + nsCOMPtr<nsIContent> content = do_QueryInterface(aNode);
1.83 + if (content) {
1.84 + nsCOMPtr<nsIDocument> doc = content->GetDocument();
1.85 + if (doc) {
1.86 + nsCOMPtr<nsIDOMDocument> domdoc(do_QueryInterface(doc->GetSubDocumentFor(content)));
1.87 +
1.88 + return domdoc;
1.89 + }
1.90 + }
1.91 +
1.92 + return nullptr;
1.93 +}
1.94 +
1.95 +nsIDOMNode*
1.96 +inLayoutUtils::GetContainerFor(const nsIDocument& aDoc)
1.97 +{
1.98 + nsPIDOMWindow* pwin = aDoc.GetWindow();
1.99 + if (!pwin) {
1.100 + return nullptr;
1.101 + }
1.102 +
1.103 + nsCOMPtr<nsIDOMNode> node = do_QueryInterface(pwin->GetFrameElementInternal());
1.104 + return node;
1.105 +}
1.106 +
