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// 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.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() {
return std::move(handles_);
}
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_