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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_REMOVE_OPERATION_H_
#define CHROME_BROWSER_CHROMEOS_DRIVE_FILE_SYSTEM_REMOVE_OPERATION_H_
#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/drive_api_error_codes.h"
namespace base {
class FilePath;
class SequencedTaskRunner;
} // namespace base
namespace drive {
class ResourceEntry;
namespace internal {
class FileCache;
class ResourceMetadata;
} // namespace internal
namespace file_system {
class OperationDelegate;
// This class encapsulates the drive Remove function. It is responsible for
// moving the removed entry to the trash.
class RemoveOperation {
public:
RemoveOperation(base::SequencedTaskRunner* blocking_task_runner,
OperationDelegate* delegate,
internal::ResourceMetadata* metadata,
internal::FileCache* cache);
~RemoveOperation();
// Removes the resource at |path|. If |path| is a directory and |is_recursive|
// is set, it recursively removes all the descendants. If |is_recursive| is
// not set, it succeeds only when the directory is empty.
//
// |callback| must not be null.
void Remove(const base::FilePath& path,
bool is_recursive,
const FileOperationCallback& callback);
private:
// Part of Remove(). Called after UpdateLocalState() completion.
void RemoveAfterUpdateLocalState(const FileOperationCallback& callback,
const std::string* local_id,
const ResourceEntry* entry,
const base::FilePath* changed_directory_path,
FileError error);
scoped_refptr<base::SequencedTaskRunner> blocking_task_runner_;
OperationDelegate* delegate_;
internal::ResourceMetadata* metadata_;
internal::FileCache* cache_;
// 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<RemoveOperation> weak_ptr_factory_;
DISALLOW_COPY_AND_ASSIGN(RemoveOperation);
};
} // namespace file_system
} // namespace drive
#endif // CHROME_BROWSER_CHROMEOS_DRIVE_FILE_SYSTEM_REMOVE_OPERATION_H_
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