BindContext.cpp (1394B)
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 #include "mozilla/dom/BrowsingContext.h" 11 #include "mozilla/dom/Document.h" 12 #include "nsContentUtils.h" 13 #include "nsError.h" 14 #include "nsPIDOMWindow.h" 15 16 namespace mozilla::dom { 17 18 bool BindContext::AllowsAutoFocus() const { 19 if (!StaticPrefs::browser_autofocus()) { 20 return false; 21 } 22 if (!InUncomposedDoc()) { 23 return false; 24 } 25 if (mDoc.IsBeingUsedAsImage()) { 26 return false; 27 } 28 return IsSameOriginAsTop(); 29 } 30 31 bool BindContext::IsSameOriginAsTop() const { 32 BrowsingContext* browsingContext = mDoc.GetBrowsingContext(); 33 if (!browsingContext) { 34 return false; 35 } 36 37 nsPIDOMWindowOuter* topWindow = browsingContext->Top()->GetDOMWindow(); 38 if (!topWindow) { 39 // If we don't have a DOMWindow, We are not in same origin. 40 return false; 41 } 42 43 Document* topLevelDocument = topWindow->GetExtantDoc(); 44 if (!topLevelDocument) { 45 return false; 46 } 47 48 return NS_SUCCEEDED(nsContentUtils::CheckSameOrigin(topLevelDocument, &mDoc)); 49 } 50 51 } // namespace mozilla::dom