1 // Copyright 2018 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #ifndef MOJO_PUBLIC_CPP_BASE_FILE_MOJOM_TRAITS_H_ 6 #define MOJO_PUBLIC_CPP_BASE_FILE_MOJOM_TRAITS_H_ 7 8 #include "base/component_export.h" 9 #include "base/files/file.h" 10 #include "mojo/public/mojom/base/file.mojom-shared.h" 11 12 namespace mojo { 13 14 template <> COMPONENT_EXPORT(MOJO_BASE_MOJOM)15struct COMPONENT_EXPORT(MOJO_BASE_MOJOM) 16 StructTraits<mojo_base::mojom::FileDataView, base::File> { 17 static bool IsNull(const base::File& file) { return !file.IsValid(); } 18 19 static void SetToNull(base::File* file) { *file = base::File(); } 20 21 static mojo::ScopedHandle fd(base::File& file); 22 static bool async(base::File& file) { return file.async(); } 23 static bool Read(mojo_base::mojom::FileDataView data, base::File* file); 24 }; 25 26 } // namespace mojo 27 28 #endif // MOJO_PUBLIC_CPP_BASE_FILE_MOJOM_TRAITS_H_ 29