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// Copyright (c) 2012 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 CHROMEOS_DBUS_IMAGE_BURNER_CLIENT_H_
#define CHROMEOS_DBUS_IMAGE_BURNER_CLIENT_H_
#include <string>
#include "base/basictypes.h"
#include "base/callback.h"
#include "chromeos/chromeos_export.h"
#include "chromeos/dbus/dbus_client.h"
namespace chromeos {
// ImageBurnerClient is used to communicate with the image burner.
// All method should be called from the origin thread (UI thread) which
// initializes the DBusThreadManager instance.
class CHROMEOS_EXPORT ImageBurnerClient : public DBusClient {
public:
~ImageBurnerClient() override;
// A callback to be called when DBus method call fails.
typedef base::Callback<void()> ErrorCallback;
// A callback to handle burn_finished signal.
typedef base::Callback<void(const std::string& target_path,
bool success,
const std::string& error)> BurnFinishedHandler;
// A callback to handle burn_progress_update signal.
typedef base::Callback<void(const std::string& target_path,
int64 num_bytes_burnt,
int64 total_size)> BurnProgressUpdateHandler;
// Burns the image |from_path| to the disk |to_path|.
virtual void BurnImage(const std::string& from_path,
const std::string& to_path,
const ErrorCallback& error_callback) = 0;
// Sets callbacks as event handlers.
// |burn_finished_handler| is called when burn_finished signal is received.
// |burn_progress_update_handler| is called when burn_progress_update signal
// is received.
virtual void SetEventHandlers(
const BurnFinishedHandler& burn_finished_handler,
const BurnProgressUpdateHandler& burn_progress_update_handler) = 0;
// Resets event handlers. After calling this method, nothing is done when
// signals are received.
virtual void ResetEventHandlers() = 0;
// Factory function, creates a new instance and returns ownership.
// For normal usage, access the singleton via DBusThreadManager::Get().
static ImageBurnerClient* Create();
protected:
// Create() should be used instead.
ImageBurnerClient();
private:
DISALLOW_COPY_AND_ASSIGN(ImageBurnerClient);
};
} // namespace chromeos
#endif // CHROMEOS_DBUS_IMAGE_BURNER_CLIENT_H_
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