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// Copyright (c) 2010 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 CHROME_BROWSER_CHROMEOS_CROS_BURN_LIBRARY_H_
#define CHROME_BROWSER_CHROMEOS_CROS_BURN_LIBRARY_H_
#include <string>
#include <vector>
#include "base/file_path.h"
#include "base/observer_list.h"
#include "base/weak_ptr.h"
#include "cros/chromeos_imageburn.h"
struct ImageBurnStatus {
explicit ImageBurnStatus(const chromeos::BurnStatus& status)
: amount_burnt(status.amount_burnt),
total_size(status.total_size) {
if (status.target_path)
target_path = status.target_path;
if (status.error)
error = status.error;
}
std::string target_path;
int64 amount_burnt;
int64 total_size;
std::string error;
};
namespace chromeos {
class BurnLibrary {
public:
class Observer {
public:
virtual void ProgressUpdated(BurnLibrary* object, BurnEventType evt,
const ImageBurnStatus& status) = 0;
};
virtual ~BurnLibrary() {}
virtual void AddObserver(Observer* observer) = 0;
virtual void RemoveObserver(Observer* observer) = 0;
virtual bool DoBurn(const FilePath& from_path, const FilePath& to_path) = 0;
// Factory function, creates a new instance and returns ownership.
// For normal usage, access the singleton via CrosLibrary::Get().
static BurnLibrary* GetImpl(bool stub);
};
class BurnLibraryImpl : public BurnLibrary,
public base::SupportsWeakPtr<BurnLibraryImpl> {
public:
BurnLibraryImpl();
virtual ~BurnLibraryImpl();
// BurnLibrary implementation.
virtual void AddObserver(Observer* observer);
virtual void RemoveObserver(Observer* observer);
virtual bool DoBurn(const FilePath& from_path, const FilePath& to_path);
bool BurnImage(const FilePath& from_path, const FilePath& to_path);
void UpdateBurnStatus(const ImageBurnStatus& status, BurnEventType evt);
private:
void Init();
static void BurnStatusChangedHandler(void* object,
const BurnStatus& status,
BurnEventType evt);
private:
ObserverList<BurnLibrary::Observer> observers_;
BurnStatusConnection burn_status_connection_;
// Holds a path that is currently being burnt to.
std::string target_path_;
DISALLOW_COPY_AND_ASSIGN(BurnLibraryImpl);
};
class BurnLibraryTaskProxy
: public base::RefCountedThreadSafe<BurnLibraryTaskProxy> {
public:
explicit BurnLibraryTaskProxy(const base::WeakPtr<BurnLibraryImpl>& library);
void BurnImage(const FilePath& from_path, const FilePath& to_path);
void UpdateBurnStatus(ImageBurnStatus* status, BurnEventType evt);
private:
base::WeakPtr<BurnLibraryImpl> library_;
friend class base::RefCountedThreadSafe<BurnLibraryTaskProxy>;
DISALLOW_COPY_AND_ASSIGN(BurnLibraryTaskProxy);
};
} // namespace chromeos
#endif // CHROME_BROWSER_CHROMEOS_CROS_BURN_LIBRARY_H_
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