1 // Copyright 2018 The Chromium Authors 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 IPC_MESSAGE_MOJOM_TRAITS_H_ 6 #define IPC_MESSAGE_MOJOM_TRAITS_H_ 7 8 #include <optional> 9 #include <vector> 10 11 #include "base/containers/span.h" 12 #include "ipc/ipc.mojom-shared.h" 13 #include "ipc/message_view.h" 14 #include "mojo/public/cpp/bindings/struct_traits.h" 15 #include "mojo/public/interfaces/bindings/native_struct.mojom.h" 16 17 namespace mojo { 18 19 template <> 20 class StructTraits<IPC::mojom::MessageDataView, IPC::MessageView> { 21 public: 22 static base::span<const uint8_t> bytes(IPC::MessageView& view); 23 static std::optional<std::vector<mojo::native::SerializedHandlePtr>> handles( 24 IPC::MessageView& view); 25 26 static bool Read(IPC::mojom::MessageDataView data, IPC::MessageView* out); 27 }; 28 29 } // namespace mojo 30 31 #endif // IPC_MESSAGE_MOJOM_TRAITS_H_ 32