1 files changed, 62 insertions, 0 deletions
diff --git a/dom/localstorage/SerializationHelpers.h b/dom/localstorage/SerializationHelpers.h
new file mode 100644
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+++ b/dom/localstorage/SerializationHelpers.h
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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/. */
+
+#ifndef mozilla_dom_localstorage_SerializationHelpers_h
+#define mozilla_dom_localstorage_SerializationHelpers_h
+
+#include <string>
+#include "chrome/common/ipc_message_utils.h"
+#include "ipc/EnumSerializer.h"
+#include "mozilla/dom/LSSnapshot.h"
+#include "mozilla/dom/LSValue.h"
+
+namespace IPC {
+
+template <>
+struct ParamTraits<mozilla::dom::LSSnapshot::LoadState>
+    : public ContiguousEnumSerializer<
+          mozilla::dom::LSSnapshot::LoadState,
+          mozilla::dom::LSSnapshot::LoadState::Initial,
+          mozilla::dom::LSSnapshot::LoadState::EndGuard> {};
+
+template <>
+struct ParamTraits<mozilla::dom::LSValue::CompressionType>
+    : public ContiguousEnumSerializer<
+          mozilla::dom::LSValue::CompressionType,
+          mozilla::dom::LSValue::CompressionType::UNCOMPRESSED,
+          mozilla::dom::LSValue::CompressionType::NUM_TYPES> {};
+
+static_assert(
+    0u == static_cast<uint8_t>(mozilla::dom::LSValue::ConversionType::NONE));
+template <>
+struct ParamTraits<mozilla::dom::LSValue::ConversionType>
+    : public ContiguousEnumSerializer<
+          mozilla::dom::LSValue::ConversionType,
+          mozilla::dom::LSValue::ConversionType::NONE,
+          mozilla::dom::LSValue::ConversionType::NUM_TYPES> {};
+
+template <>
+struct ParamTraits<mozilla::dom::LSValue> {
+  typedef mozilla::dom::LSValue paramType;
+
+  static void Write(MessageWriter* aWriter, const paramType& aParam) {
+    WriteParam(aWriter, aParam.mBuffer);
+    WriteParam(aWriter, aParam.mUTF16Length);
+    WriteParam(aWriter, aParam.mConversionType);
+    WriteParam(aWriter, aParam.mCompressionType);
+  }
+
+  static bool Read(MessageReader* aReader, paramType* aResult) {
+    return ReadParam(aReader, &aResult->mBuffer) &&
+           ReadParam(aReader, &aResult->mUTF16Length) &&
+           ReadParam(aReader, &aResult->mConversionType) &&
+           ReadParam(aReader, &aResult->mCompressionType);
+  }
+};
+
+}  // namespace IPC
+
+#endif  // mozilla_dom_localstorage_SerializationHelpers_h