1 files changed, 85 insertions, 0 deletions
diff --git a/mojo/common/common_custom_types_struct_traits.h b/mojo/common/common_custom_types_struct_traits.h
new file mode 100644
index 0000000000..85815ffd62
--- /dev/null
+++ b/mojo/common/common_custom_types_struct_traits.h
@@ -0,0 +1,85 @@
+// Copyright 2016 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef MOJO_COMMON_COMMON_CUSTOM_TYPES_STRUCT_TRAITS_H_
+#define MOJO_COMMON_COMMON_CUSTOM_TYPES_STRUCT_TRAITS_H_
+
+#include "base/files/file.h"
+#include "base/i18n/rtl.h"
+#include "base/strings/utf_string_conversions.h"
+#include "base/unguessable_token.h"
+#include "base/version.h"
+#include "mojo/common/file.mojom-shared.h"
+#include "mojo/common/mojo_common_export.h"
+#include "mojo/common/string16.mojom-shared.h"
+#include "mojo/common/text_direction.mojom-shared.h"
+#include "mojo/common/time.mojom-shared.h"
+#include "mojo/common/unguessable_token.mojom-shared.h"
+#include "mojo/common/version.mojom-shared.h"
+
+namespace mojo {
+
+template <>
+struct StructTraits<common::mojom::String16DataView, base::string16> {
+  static ConstCArray<uint16_t> data(const base::string16& str) {
+    return ConstCArray<uint16_t>(str.size(),
+                                 reinterpret_cast<const uint16_t*>(str.data()));
+  }
+
+  static bool Read(common::mojom::String16DataView data, base::string16* out);
+};
+
+template <>
+struct StructTraits<common::mojom::VersionDataView, base::Version> {
+  static bool IsNull(const base::Version& version) {
+    return !version.IsValid();
+  }
+  static void SetToNull(base::Version* out) {
+    *out = base::Version(std::string());
+  }
+  static const std::vector<uint32_t>& components(const base::Version& version);
+  static bool Read(common::mojom::VersionDataView data, base::Version* out);
+};
+
+// If base::UnguessableToken is no longer 128 bits, the logic below and the
+// mojom::UnguessableToken type should be updated.
+static_assert(sizeof(base::UnguessableToken) == 2 * sizeof(uint64_t),
+              "base::UnguessableToken should be of size 2 * sizeof(uint64_t).");
+
+template <>
+struct StructTraits<common::mojom::UnguessableTokenDataView,
+                    base::UnguessableToken> {
+  static uint64_t high(const base::UnguessableToken& token) {
+    return token.GetHighForSerialization();
+  }
+
+  static uint64_t low(const base::UnguessableToken& token) {
+    return token.GetLowForSerialization();
+  }
+
+  static bool Read(common::mojom::UnguessableTokenDataView data,
+                   base::UnguessableToken* out);
+};
+
+template <>
+struct StructTraits<common::mojom::FileDataView, base::File> {
+  static bool IsNull(const base::File& file) { return !file.IsValid(); }
+
+  static void SetToNull(base::File* file) { *file = base::File(); }
+
+  static mojo::ScopedHandle fd(base::File& file);
+  static bool Read(common::mojom::FileDataView data, base::File* file);
+};
+
+template <>
+struct EnumTraits<common::mojom::TextDirection, base::i18n::TextDirection> {
+  static common::mojom::TextDirection ToMojom(
+      base::i18n::TextDirection text_direction);
+  static bool FromMojom(common::mojom::TextDirection input,
+                        base::i18n::TextDirection* out);
+};
+
+}  // namespace mojo
+
+#endif  // MOJO_COMMON_COMMON_CUSTOM_TYPES_STRUCT_TRAITS_H_