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// Copyright 2014 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CHROME_BROWSER_EXTENSIONS_API_IMAGE_WRITER_PRIVATE_IMAGE_WRITER_UTILITY_CLIENT_H_
#define CHROME_BROWSER_EXTENSIONS_API_IMAGE_WRITER_PRIVATE_IMAGE_WRITER_UTILITY_CLIENT_H_
#include <stdint.h>
#include <memory>
#include "base/files/file_path.h"
#include "base/functional/callback.h"
#include "base/memory/ref_counted.h"
#include "base/sequence_checker.h"
#include "base/task/sequenced_task_runner.h"
#include "chrome/services/removable_storage_writer/public/mojom/removable_storage_writer.mojom.h"
#include "mojo/public/cpp/bindings/remote.h"
namespace extensions {
namespace image_writer {
// Writes a disk image to a device inside the utility process. This
// class lives on the FILE thread.
class ImageWriterUtilityClient
: public base::RefCountedThreadSafe<ImageWriterUtilityClient> {
public:
using CancelCallback = base::OnceClosure;
using SuccessCallback = base::OnceClosure;
using ProgressCallback = base::RepeatingCallback<void(int64_t)>;
using ErrorCallback = base::OnceCallback<void(const std::string&)>;
using ImageWriterUtilityClientFactory =
base::RepeatingCallback<scoped_refptr<ImageWriterUtilityClient>()>;
ImageWriterUtilityClient(const ImageWriterUtilityClient&) = delete;
ImageWriterUtilityClient& operator=(const ImageWriterUtilityClient&) = delete;
static scoped_refptr<ImageWriterUtilityClient> Create(
const scoped_refptr<base::SequencedTaskRunner>& task_runner);
static void SetFactoryForTesting(ImageWriterUtilityClientFactory* factory);
// Starts the write operation.
// `progress_callback`: Called periodically with the count of bytes processed.
// `success_callback`: Called at successful completion.
// `error_callback`: Called with an error message on failure.
// `source`: The path to the source file to read data from.
// `target`: The path to the target device to write the image file to.
virtual void Write(ProgressCallback progress_callback,
SuccessCallback success_callback,
ErrorCallback error_callback,
const base::FilePath& source,
const base::FilePath& target);
// Starts a verify operation.
// `progress_callback`: Called periodically with the count of bytes processed.
// `success_callback`: Called at successful completion.
// `error_callback`: Called with an error message on failure.
// `source`: The path to the source file to read data from.
// `target`: The path to the target device file to verify.
virtual void Verify(ProgressCallback progress_callback,
SuccessCallback success_callback,
ErrorCallback error_callback,
const base::FilePath& source,
const base::FilePath& target);
// Cancels any pending write or verify operation.
// `cancel_callback`: Called when the cancel has actually occurred.
// TODO(crbug.com/40511721): Consider removing this API.
virtual void Cancel(CancelCallback cancel_callback);
// Shuts down the utility process that may have been created.
virtual void Shutdown();
protected:
friend class base::RefCountedThreadSafe<ImageWriterUtilityClient>;
friend class ImageWriterUtilityClientTest;
explicit ImageWriterUtilityClient(
const scoped_refptr<base::SequencedTaskRunner>& task_runner);
virtual ~ImageWriterUtilityClient();
private:
class RemovableStorageWriterClientImpl;
void BindServiceIfNeeded();
void OnConnectionError();
void OperationProgress(int64_t progress);
void OperationSucceeded();
void OperationFailed(const std::string& error);
void ResetRequest();
ProgressCallback progress_callback_;
SuccessCallback success_callback_;
ErrorCallback error_callback_;
scoped_refptr<base::SequencedTaskRunner> task_runner_;
mojo::Remote<chrome::mojom::RemovableStorageWriter> removable_storage_writer_;
std::unique_ptr<RemovableStorageWriterClientImpl>
removable_storage_writer_client_;
SEQUENCE_CHECKER(sequence_checker_);
};
} // namespace image_writer
} // namespace extensions
#endif // CHROME_BROWSER_EXTENSIONS_API_IMAGE_WRITER_PRIVATE_IMAGE_WRITER_UTILITY_CLIENT_H_
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