EnumTraits for base::i18n::TextDirection.

mojo/common/common_custom_types_struct_traits.cc

 // 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.
 
 #include "mojo/common/common_custom_types_struct_traits.h"
 
 #include "mojo/public/cpp/system/platform_handle.h"
 
 namespace mojo {
 
@@ skipping 53 matching lines @@
     base::File* file) {
   base::PlatformFile platform_handle = base::kInvalidPlatformFile;
   if (mojo::UnwrapPlatformFile(data.TakeFd(), &platform_handle) !=
       MOJO_RESULT_OK) {
     return false;
   }
   *file = base::File(platform_handle);
   return true;
 }
 
+// static
+common::mojom::TextDirection
+EnumTraits<common::mojom::TextDirection, base::i18n::TextDirection>::ToMojom(
+    base::i18n::TextDirection text_direction) {
+  switch (text_direction) {
+    case base::i18n::UNKNOWN_DIRECTION:
+      return common::mojom::TextDirection::UNKNOWN_DIRECTION;
+    case base::i18n::RIGHT_TO_LEFT:
+      return common::mojom::TextDirection::RIGHT_TO_LEFT;
+    case base::i18n::LEFT_TO_RIGHT:
+      return common::mojom::TextDirection::LEFT_TO_RIGHT;
+  }
+  NOTREACHED();
+  return common::mojom::TextDirection::UNKNOWN_DIRECTION;
+}
+
+// static
+bool EnumTraits<common::mojom::TextDirection, base::i18n::TextDirection>::
+    FromMojom(common::mojom::TextDirection input,
+              base::i18n::TextDirection* out) {
+  switch (input) {
+    case common::mojom::TextDirection::UNKNOWN_DIRECTION:
+      *out = base::i18n::UNKNOWN_DIRECTION;
+      return true;
+    case common::mojom::TextDirection::RIGHT_TO_LEFT:
+      *out = base::i18n::RIGHT_TO_LEFT;
+      return true;
+    case common::mojom::TextDirection::LEFT_TO_RIGHT:
+      *out = base::i18n::LEFT_TO_RIGHT;
+      return true;
+  }
+  return false;
+}
+
 }  // namespace mojo