зеркало из https://github.com/mozilla/gecko-dev.git
52 строки
1.4 KiB
C++
52 строки
1.4 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "mozilla/dom/BindContext.h"
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#include "mozilla/dom/BrowsingContext.h"
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#include "mozilla/dom/Document.h"
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#include "mozilla/StaticPrefs_browser.h"
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#include "nsContentUtils.h"
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#include "nsError.h"
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#include "nsPIDOMWindow.h"
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namespace mozilla::dom {
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bool BindContext::AllowsAutoFocus() const {
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if (!StaticPrefs::browser_autofocus()) {
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return false;
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}
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if (!InUncomposedDoc()) {
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return false;
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}
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if (mDoc.IsBeingUsedAsImage()) {
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return false;
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}
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return IsSameOriginAsTop();
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}
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bool BindContext::IsSameOriginAsTop() const {
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BrowsingContext* browsingContext = mDoc.GetBrowsingContext();
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if (!browsingContext) {
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return false;
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}
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nsPIDOMWindowOuter* topWindow = browsingContext->Top()->GetDOMWindow();
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if (!topWindow) {
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// If we don't have a DOMWindow, We are not in same origin.
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return false;
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}
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Document* topLevelDocument = topWindow->GetExtantDoc();
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if (!topLevelDocument) {
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return false;
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}
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return NS_SUCCEEDED(nsContentUtils::CheckSameOrigin(topLevelDocument, &mDoc));
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}
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} // namespace mozilla::dom
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