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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 CHROME_BROWSER_CHROMEOS_DRIVE_FILE_SYSTEM_MOVE_OPERATION_H_
#define CHROME_BROWSER_CHROMEOS_DRIVE_FILE_SYSTEM_MOVE_OPERATION_H_
#include <set>
#include "base/basictypes.h"
#include "base/memory/ref_counted.h"
#include "base/memory/scoped_ptr.h"
#include "base/memory/weak_ptr.h"
#include "chrome/browser/chromeos/drive/file_errors.h"
#include "google_apis/drive/gdata_errorcode.h"
namespace base {
class FilePath;
class SequencedTaskRunner;
} // namespace base
namespace google_apis {
class ResourceEntry;
} // namespace google_apis
namespace drive {
class ResourceEntry;
namespace internal {
class ResourceMetadata;
} // namespace internal
namespace file_system {
class OperationObserver;
// This class encapsulates the drive Move function. It is responsible for
// updating the local metadata entry.
class MoveOperation {
public:
MoveOperation(base::SequencedTaskRunner* blocking_task_runner,
OperationObserver* observer,
internal::ResourceMetadata* metadata);
~MoveOperation();
// Performs the move operation on the file at drive path |src_file_path|
// with a target of |dest_file_path|.
// Invokes |callback| when finished with the result of the operation.
// |callback| must not be null.
void Move(const base::FilePath& src_file_path,
const base::FilePath& dest_file_path,
const FileOperationCallback& callback);
private:
// Part of Move(). Called after updating the local state.
void MoveAfterUpdateLocalState(
const FileOperationCallback& callback,
const std::set<base::FilePath>* changed_directories,
const std::string* local_id,
FileError error);
scoped_refptr<base::SequencedTaskRunner> blocking_task_runner_;
OperationObserver* observer_;
internal::ResourceMetadata* metadata_;
// Note: This should remain the last member so it'll be destroyed and
// invalidate the weak pointers before any other members are destroyed.
base::WeakPtrFactory<MoveOperation> weak_ptr_factory_;
DISALLOW_COPY_AND_ASSIGN(MoveOperation);
};
} // namespace file_system
} // namespace drive
#endif // CHROME_BROWSER_CHROMEOS_DRIVE_FILE_SYSTEM_MOVE_OPERATION_H_
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