mandoline: Fork the files service from the mojo repository.

components/filesystem/file_impl.h

+// Copyright 2015 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 SERVICES_FILES_FILE_IMPL_H_
+#define SERVICES_FILES_FILE_IMPL_H_
+
+#include "base/files/scoped_file.h"
+#include "base/macros.h"
+#include "components/filesystem/public/interfaces/directory.mojom.h"
+#include "mojo/public/cpp/bindings/interface_request.h"
+#include "mojo/public/cpp/bindings/strong_binding.h"
+
+namespace mojo {
+namespace files {
+
+class FileImpl : public File {
+ public:
+  // TODO(vtl): Will need more for, e.g., |Reopen()|.
+  FileImpl(InterfaceRequest<File> request, base::ScopedFD file_fd);
+  ~FileImpl() override;
+
+  // |File| implementation:
+  void Close(const CloseCallback& callback) override;
+  void Read(uint32_t num_bytes_to_read,
+            int64_t offset,
+            Whence whence,
+            const ReadCallback& callback) override;
+  void Write(Array<uint8_t> bytes_to_write,
+             int64_t offset,
+             Whence whence,
+             const WriteCallback& callback) override;
+  void ReadToStream(ScopedDataPipeProducerHandle source,
+                    int64_t offset,
+                    Whence whence,
+                    int64_t num_bytes_to_read,
+                    const ReadToStreamCallback& callback) override;
+  void WriteFromStream(ScopedDataPipeConsumerHandle sink,
+                       int64_t offset,
+                       Whence whence,
+                       const WriteFromStreamCallback& callback) override;
+  void Tell(const TellCallback& callback) override;
+  void Seek(int64_t offset,
+            Whence whence,
+            const SeekCallback& callback) override;
+  void Stat(const StatCallback& callback) override;
+  void Truncate(int64_t size, const TruncateCallback& callback) override;
+  void Touch(TimespecOrNowPtr atime,
+             TimespecOrNowPtr mtime,
+             const TouchCallback& callback) override;
+  void Dup(InterfaceRequest<File> file, const DupCallback& callback) override;
+  void Reopen(InterfaceRequest<File> file,
+              uint32_t open_flags,
+              const ReopenCallback& callback) override;
+  void AsBuffer(const AsBufferCallback& callback) override;
+  void Ioctl(uint32_t request,
+             Array<uint32_t> in_values,
+             const IoctlCallback& callback) override;
+
+ private:
+  StrongBinding<File> binding_;
+  base::ScopedFD file_fd_;
+
+  DISALLOW_COPY_AND_ASSIGN(FileImpl);
+};
+
+}  // namespace files
+}  // namespace mojo
+
+#endif  // SERVICES_FILES_FILE_IMPL_H_