1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ 2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */ 3 /* This Source Code Form is subject to the terms of the Mozilla Public 4 * License, v. 2.0. If a copy of the MPL was not distributed with this 5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ 6 7 #include "mozilla/dom/BindContext.h" 8 9 #include "mozilla/StaticPrefs_browser.h" 10 11 namespace mozilla { 12 namespace dom { 13 AllowsAutoFocus() const14bool BindContext::AllowsAutoFocus() const { 15 if (!StaticPrefs::browser_autofocus()) { 16 return false; 17 } 18 if (!InUncomposedDoc()) { 19 return false; 20 } 21 if (mDoc.IsBeingUsedAsImage()) { 22 return false; 23 } 24 return IsSameOriginAsTop(); 25 } 26 IsSameOriginAsTop() const27bool BindContext::IsSameOriginAsTop() const { 28 BrowsingContext* browsingContext = mDoc.GetBrowsingContext(); 29 if (!browsingContext) { 30 return false; 31 } 32 33 nsPIDOMWindowOuter* topWindow = browsingContext->Top()->GetDOMWindow(); 34 if (!topWindow) { 35 // If we don't have a DOMWindow, We are not in same origin. 36 return false; 37 } 38 39 Document* topLevelDocument = topWindow->GetExtantDoc(); 40 if (!topLevelDocument) { 41 return false; 42 } 43 44 return NS_SUCCEEDED(nsContentUtils::CheckSameOrigin(topLevelDocument, &mDoc)); 45 } 46 47 } // namespace dom 48 } // namespace mozilla 49