Implement gfx::SelectionBound StructTraits

ui/gfx/mojo/selection_bound_struct_traits.h

Index: ui/gfx/mojo/selection_bound_struct_traits.h
diff --git a/ui/gfx/mojo/selection_bound_struct_traits.h b/ui/gfx/mojo/selection_bound_struct_traits.h
new file mode 100644
index 0000000000000000000000000000000000000000..a25964e278b064e29f0f50f2a3f4fbec0280a3f3
--- /dev/null
+++ b/ui/gfx/mojo/selection_bound_struct_traits.h
@@ -0,0 +1,82 @@
+// 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 UI_GFX_MOJO_SELECTION_BOUND_STRUCT_TRAITS_H_
+#define UI_GFX_MOJO_SELECTION_BOUND_STRUCT_TRAITS_H_
+
+#include "ui/gfx/mojo/selection_bound.mojom.h"
+#include "ui/gfx/selection_bound.h"
+
+namespace mojo {
+
+namespace {
+
+gfx::mojom::SelectionBoundType GfxSelectionBoundTypeToMojo(
+    gfx::SelectionBound::Type type) {
+  switch (type) {
+    case gfx::SelectionBound::LEFT:
+      return gfx::mojom::SelectionBoundType::LEFT;
+    case gfx::SelectionBound::RIGHT:
+      return gfx::mojom::SelectionBoundType::RIGHT;
+    case gfx::SelectionBound::CENTER:
+      return gfx::mojom::SelectionBoundType::CENTER;
+    case gfx::SelectionBound::EMPTY:
+      return gfx::mojom::SelectionBoundType::EMPTY;
+  }
+  NOTREACHED();
+  return gfx::mojom::SelectionBoundType::EMPTY;
+}
+
+gfx::SelectionBound::Type MojoSelectionBoundTypeToGfx(
+    gfx::mojom::SelectionBoundType type) {
+  switch (type) {
+    case gfx::mojom::SelectionBoundType::LEFT:
+      return gfx::SelectionBound::LEFT;
+    case gfx::mojom::SelectionBoundType::RIGHT:
+      return gfx::SelectionBound::RIGHT;
+    case gfx::mojom::SelectionBoundType::CENTER:
+      return gfx::SelectionBound::CENTER;
+    case gfx::mojom::SelectionBoundType::EMPTY:
+      return gfx::SelectionBound::EMPTY;
+  }
+  NOTREACHED();
+  return gfx::SelectionBound::EMPTY;
+}
+
+}
+
+template <>
+struct StructTraits<gfx::mojom::SelectionBound, gfx::SelectionBound> {
+  static gfx::mojom::SelectionBoundType type(const gfx::SelectionBound& input) {
+    return GfxSelectionBoundTypeToMojo(input.type());
+  }
+
+  static gfx::PointF edge_top(const gfx::SelectionBound& input) {
+    return input.edge_top();
+  }
+
+  static gfx::PointF edge_bottom(const gfx::SelectionBound& input) {
+    return input.edge_bottom();
+  }
+
+  static bool visible(const gfx::SelectionBound& input) {
+    return input.visible();
+  }
+
+  static bool Read(gfx::mojom::SelectionBoundDataView data,
+                   gfx::SelectionBound* out) {
+    gfx::PointF edge_top;
+    gfx::PointF edge_bottom;
+    if (!data.ReadEdgeTop(&edge_top) || !data.ReadEdgeBottom(&edge_bottom))
+      return false;
+    out->SetEdge(edge_top, edge_bottom);
+    out->set_type(MojoSelectionBoundTypeToGfx(data.type()));
+    out->set_visible(data.visible());
+    return true;
+  }
+};
+
+}  // namespace mojo
+
+#endif  // UI_GFX_MOJO_SELECTION_BOUND_STRUCT_TRAITS_H_