| // Copyright 2018 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 IPC_MESSAGE_VIEW_H_ |
| #define IPC_MESSAGE_VIEW_H_ |
| |
| #include <vector> |
| |
| #include "base/component_export.h" |
| #include "base/containers/span.h" |
| #include "base/macros.h" |
| #include "ipc/ipc_message.h" |
| #include "mojo/public/cpp/base/big_buffer.h" |
| #include "mojo/public/interfaces/bindings/native_struct.mojom-forward.h" |
| |
| namespace IPC { |
| |
| class COMPONENT_EXPORT(IPC_MOJOM) MessageView { |
| public: |
| MessageView(); |
| MessageView( |
| const Message& message, |
| base::Optional<std::vector<mojo::native::SerializedHandlePtr>> handles); |
| MessageView( |
| mojo_base::BigBufferView buffer_view, |
| base::Optional<std::vector<mojo::native::SerializedHandlePtr>> handles); |
| MessageView(MessageView&&); |
| ~MessageView(); |
| |
| MessageView& operator=(MessageView&&); |
| |
| const char* data() const { |
| return reinterpret_cast<const char*>(buffer_view_.data().data()); |
| } |
| |
| uint32_t size() const { |
| return static_cast<uint32_t>(buffer_view_.data().size()); |
| } |
| |
| mojo_base::BigBufferView TakeBufferView() { return std::move(buffer_view_); } |
| |
| base::Optional<std::vector<mojo::native::SerializedHandlePtr>> TakeHandles(); |
| |
| private: |
| mojo_base::BigBufferView buffer_view_; |
| base::Optional<std::vector<mojo::native::SerializedHandlePtr>> handles_; |
| |
| DISALLOW_COPY_AND_ASSIGN(MessageView); |
| }; |
| |
| } // namespace IPC |
| |
| #endif // IPC_MESSAGE_VIEW_H_ |