1 files changed, 107 insertions, 0 deletions
diff --git a/ipc/glue/BackgroundUtils.h b/ipc/glue/BackgroundUtils.h
new file mode 100644
index 000000000..7ae0f5226
--- /dev/null
+++ b/ipc/glue/BackgroundUtils.h
@@ -0,0 +1,107 @@
+/* -*- 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/. */
+
+#ifndef mozilla_ipc_backgroundutils_h__
+#define mozilla_ipc_backgroundutils_h__
+
+#include "ipc/IPCMessageUtils.h"
+#include "mozilla/Attributes.h"
+#include "mozilla/BasePrincipal.h"
+#include "nsCOMPtr.h"
+#include "nscore.h"
+
+class nsILoadInfo;
+class nsIPrincipal;
+
+namespace IPC {
+
+namespace detail {
+template<class ParamType>
+struct OriginAttributesParamTraits
+{
+  typedef ParamType paramType;
+
+  static void Write(Message* aMsg, const paramType& aParam)
+  {
+    nsAutoCString suffix;
+    aParam.CreateSuffix(suffix);
+    WriteParam(aMsg, suffix);
+  }
+
+  static bool Read(const Message* aMsg, PickleIterator* aIter, paramType* aResult)
+  {
+    nsAutoCString suffix;
+    return ReadParam(aMsg, aIter, &suffix) &&
+           aResult->PopulateFromSuffix(suffix);
+  }
+};
+} // namespace detail
+
+template<>
+struct ParamTraits<mozilla::PrincipalOriginAttributes>
+  : public detail::OriginAttributesParamTraits<mozilla::PrincipalOriginAttributes> {};
+
+template<>
+struct ParamTraits<mozilla::DocShellOriginAttributes>
+  : public detail::OriginAttributesParamTraits<mozilla::DocShellOriginAttributes> {};
+
+template<>
+struct ParamTraits<mozilla::NeckoOriginAttributes>
+  : public detail::OriginAttributesParamTraits<mozilla::NeckoOriginAttributes> {};
+
+template<>
+struct ParamTraits<mozilla::GenericOriginAttributes>
+  : public detail::OriginAttributesParamTraits<mozilla::GenericOriginAttributes> {};
+
+} // namespace IPC
+
+namespace mozilla {
+namespace net {
+class OptionalLoadInfoArgs;
+} // namespace net
+
+using namespace mozilla::net;
+
+namespace ipc {
+
+class PrincipalInfo;
+
+/**
+ * Convert a PrincipalInfo to an nsIPrincipal.
+ *
+ * MUST be called on the main thread only.
+ */
+already_AddRefed<nsIPrincipal>
+PrincipalInfoToPrincipal(const PrincipalInfo& aPrincipalInfo,
+                         nsresult* aOptionalResult = nullptr);
+
+/**
+ * Convert an nsIPrincipal to a PrincipalInfo.
+ *
+ * MUST be called on the main thread only.
+ */
+nsresult
+PrincipalToPrincipalInfo(nsIPrincipal* aPrincipal,
+                         PrincipalInfo* aPrincipalInfo);
+
+/**
+ * Convert a LoadInfo to LoadInfoArgs struct.
+ */
+nsresult
+LoadInfoToLoadInfoArgs(nsILoadInfo *aLoadInfo,
+                       OptionalLoadInfoArgs* outOptionalLoadInfoArgs);
+
+/**
+ * Convert LoadInfoArgs to a LoadInfo.
+ */
+nsresult
+LoadInfoArgsToLoadInfo(const OptionalLoadInfoArgs& aOptionalLoadInfoArgs,
+                       nsILoadInfo** outLoadInfo);
+
+} // namespace ipc
+} // namespace mozilla
+
+#endif // mozilla_ipc_backgroundutils_h__