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-rw-r--r--layout/style/URLExtraData.cpp52
1 files changed, 52 insertions, 0 deletions
diff --git a/layout/style/URLExtraData.cpp b/layout/style/URLExtraData.cpp
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+++ b/layout/style/URLExtraData.cpp
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+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* 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/. */
+
+/* thread-safe container of information for resolving url values */
+
+#include "mozilla/URLExtraData.h"
+
+#include "mozilla/NullPrincipal.h"
+#include "nsAboutProtocolUtils.h"
+#include "ReferrerInfo.h"
+
+namespace mozilla {
+
+StaticRefPtr<URLExtraData> URLExtraData::sDummy;
+StaticRefPtr<URLExtraData> URLExtraData::sDummyChrome;
+
+/* static */
+void URLExtraData::Init() {
+ RefPtr<nsIURI> baseURI = NullPrincipal::CreateURI();
+ nsCOMPtr<nsIReferrerInfo> referrerInfo = new dom::ReferrerInfo(nullptr);
+ sDummy = new URLExtraData(do_AddRef(baseURI), do_AddRef(referrerInfo),
+ NullPrincipal::CreateWithoutOriginAttributes());
+
+ sDummyChrome =
+ new URLExtraData(baseURI.forget(), referrerInfo.forget(),
+ NullPrincipal::CreateWithoutOriginAttributes());
+ sDummyChrome->mChromeRulesEnabled = true;
+}
+
+bool URLExtraData::ChromeRulesEnabled(nsIURI* aURI) {
+ if (!aURI) {
+ return false;
+ }
+ return aURI->SchemeIs("chrome") || aURI->SchemeIs("resource") ||
+ (aURI->SchemeIs("about") && !NS_IsContentAccessibleAboutURI(aURI));
+}
+
+/* static */
+void URLExtraData::Shutdown() {
+ sDummy = nullptr;
+ sDummyChrome = nullptr;
+}
+
+URLExtraData::~URLExtraData() = default;
+
+StaticRefPtr<URLExtraData>
+ URLExtraData::sShared[size_t(UserAgentStyleSheetID::Count)];
+
+} // namespace mozilla