From 6bf0a5cb5034a7e684dcc3500e841785237ce2dd Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Sun, 7 Apr 2024 19:32:43 +0200
Subject: Adding upstream version 1:115.7.0.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 layout/style/URLExtraData.h | 87 +++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 87 insertions(+)
 create mode 100644 layout/style/URLExtraData.h

(limited to 'layout/style/URLExtraData.h')

diff --git a/layout/style/URLExtraData.h b/layout/style/URLExtraData.h
new file mode 100644
index 0000000000..c63cbc4ca1
--- /dev/null
+++ b/layout/style/URLExtraData.h
@@ -0,0 +1,87 @@
+/* -*- 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 */
+
+#ifndef mozilla_URLExtraData_h
+#define mozilla_URLExtraData_h
+
+#include <utility>
+
+#include "mozilla/StaticPtr.h"
+#include "mozilla/UserAgentStyleSheetID.h"
+#include "nsCOMPtr.h"
+#include "nsIPrincipal.h"
+#include "nsIReferrerInfo.h"
+#include "nsIURI.h"
+
+namespace mozilla {
+
+struct URLExtraData {
+  static bool ChromeRulesEnabled(nsIURI* aURI);
+
+  URLExtraData(already_AddRefed<nsIURI> aBaseURI,
+               already_AddRefed<nsIReferrerInfo> aReferrerInfo,
+               already_AddRefed<nsIPrincipal> aPrincipal)
+      : mBaseURI(std::move(aBaseURI)),
+        mReferrerInfo(std::move(aReferrerInfo)),
+        mPrincipal(std::move(aPrincipal)) {
+    MOZ_ASSERT(mBaseURI);
+    MOZ_ASSERT(mPrincipal);
+    MOZ_ASSERT(mReferrerInfo);
+    // When we hold the URI data of a style sheet, referrer is always
+    // equal to the sheet URI.
+    nsCOMPtr<nsIURI> referrer = mReferrerInfo->GetOriginalReferrer();
+    mChromeRulesEnabled = ChromeRulesEnabled(referrer);
+  }
+
+  URLExtraData(nsIURI* aBaseURI, nsIReferrerInfo* aReferrerInfo,
+               nsIPrincipal* aPrincipal)
+      : URLExtraData(do_AddRef(aBaseURI), do_AddRef(aReferrerInfo),
+                     do_AddRef(aPrincipal)) {}
+
+  NS_INLINE_DECL_THREADSAFE_REFCOUNTING(URLExtraData)
+
+  nsIURI* BaseURI() const { return mBaseURI; }
+  nsIReferrerInfo* ReferrerInfo() const { return mReferrerInfo; }
+  nsIPrincipal* Principal() const { return mPrincipal; }
+
+  bool ChromeRulesEnabled() const { return mChromeRulesEnabled; }
+
+  static URLExtraData* Dummy() {
+    MOZ_ASSERT(sDummy);
+    return sDummy;
+  }
+
+  static URLExtraData* DummyChrome() {
+    MOZ_ASSERT(sDummyChrome);
+    return sDummyChrome;
+  }
+
+  static void Init();
+  static void Shutdown();
+
+  // URLExtraData objects that shared style sheets use a sheet ID index to
+  // refer to.
+  static StaticRefPtr<URLExtraData>
+      sShared[size_t(UserAgentStyleSheetID::Count)];
+
+ private:
+  ~URLExtraData();
+
+  nsCOMPtr<nsIURI> mBaseURI;
+  nsCOMPtr<nsIReferrerInfo> mReferrerInfo;
+  nsCOMPtr<nsIPrincipal> mPrincipal;
+
+  bool mChromeRulesEnabled;
+
+  static StaticRefPtr<URLExtraData> sDummy;
+  static StaticRefPtr<URLExtraData> sDummyChrome;
+};
+
+}  // namespace mozilla
+
+#endif  // mozilla_URLExtraData_h
-- 
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