Add a mojom/StructTrait for display::Display.

ui/display/mojo/display_struct_traits.cc

Index: ui/display/mojo/display_struct_traits.cc
diff --git a/ui/display/mojo/display_struct_traits.cc b/ui/display/mojo/display_struct_traits.cc
new file mode 100644
index 0000000000000000000000000000000000000000..8d78de637b6c06086067e6546c513c43c591d321
--- /dev/null
+++ b/ui/display/mojo/display_struct_traits.cc
@@ -0,0 +1,109 @@
+// 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 "ui/display/mojo/display_struct_traits.h"
+
+#include "ui/gfx/geometry/mojo/geometry_struct_traits.h"
+
+namespace mojo {
+
+display::mojom::DisplayRotation EnumTraits<
+    display::mojom::DisplayRotation,
+    display::Display::Rotation>::ToMojom(display::Display::Rotation rotation) {
+  switch (rotation) {
+    case display::Display::ROTATE_0:
+      return display::mojom::DisplayRotation::VALUE_0;
+    case display::Display::ROTATE_90:
+      return display::mojom::DisplayRotation::VALUE_90;
+    case display::Display::ROTATE_180:
+      return display::mojom::DisplayRotation::VALUE_180;
+    case display::Display::ROTATE_270:
+      return display::mojom::DisplayRotation::VALUE_270;
+  }
+  NOTREACHED();
+  return display::mojom::DisplayRotation::VALUE_0;
+}
+
+bool EnumTraits<display::mojom::DisplayRotation, display::Display::Rotation>::
+    FromMojom(display::mojom::DisplayRotation rotation,
+              display::Display::Rotation* out) {
+  switch (rotation) {
+    case display::mojom::DisplayRotation::VALUE_0:
+      *out = display::Display::ROTATE_0;
+      break;
+    case display::mojom::DisplayRotation::VALUE_90:
+      *out = display::Display::ROTATE_90;
+      break;
+    case display::mojom::DisplayRotation::VALUE_180:
+      *out = display::Display::ROTATE_180;
+      break;
+    case display::mojom::DisplayRotation::VALUE_270:
+      *out = display::Display::ROTATE_270;
+      break;
+    default:
+      return false;
+  }
+  return true;
+}
+
+display::mojom::TouchSupport
+EnumTraits<display::mojom::TouchSupport, display::Display::TouchSupport>::
+    ToMojom(display::Display::TouchSupport touch_support) {
+  switch (touch_support) {
+    case display::Display::TOUCH_SUPPORT_UNKNOWN:
+      return display::mojom::TouchSupport::UNKNOWN;
+    case display::Display::TOUCH_SUPPORT_AVAILABLE:
+      return display::mojom::TouchSupport::AVAILABLE;
+    case display::Display::TOUCH_SUPPORT_UNAVAILABLE:
+      return display::mojom::TouchSupport::UNAVAILABLE;
+  }
+  NOTREACHED();
+  return display::mojom::TouchSupport::UNKNOWN;
+}
+
+bool EnumTraits<display::mojom::TouchSupport, display::Display::TouchSupport>::
+    FromMojom(display::mojom::TouchSupport touch_support,
+              display::Display::TouchSupport* out) {
+  switch (touch_support) {
+    case display::mojom::TouchSupport::UNKNOWN:
+      *out = display::Display::TOUCH_SUPPORT_UNKNOWN;
+      break;
+    case display::mojom::TouchSupport::AVAILABLE:
+      *out = display::Display::TOUCH_SUPPORT_AVAILABLE;
+      break;
+    case display::mojom::TouchSupport::UNAVAILABLE:
+      *out = display::Display::TOUCH_SUPPORT_UNAVAILABLE;
+      break;
+    default:
+      return false;
+  }
+  return true;
+}
+
+bool StructTraits<display::mojom::Display, display::Display>::Read(
+    display::mojom::DisplayDataView data,
+    display::Display* out) {
+  out->set_id(data.id());
+
+  if (!data.ReadBounds(&out->bounds_))
+    return false;
+
+  if (!data.ReadWorkArea(&out->work_area_))
+    return false;
+
+  out->set_device_scale_factor(data.device_scale_factor());
+
+  if (!data.ReadRotation(&out->rotation_))
+    return false;
+
+  if (!data.ReadTouchSupport(&out->touch_support_))
+    return false;
+
+  if (!data.ReadMaximumCursorSize(&out->maximum_cursor_size_))
+    return false;
+
+  return true;
+}
+
+}  // namespace mojo