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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/scoped_ptr.h"
#include "base/memory/weak_ptr.h"
#include "chrome/browser/chromeos/drive/drive_resource_metadata.h"
#include "chrome/browser/google_apis/gdata_errorcode.h"
class FilePath;
class GURL;
namespace drive {
class DriveCache;
class DriveEntryProto;
class DriveFileSystem;
class DriveServiceInterface;
namespace file_system {
class OperationObserver;
// This class encapsulates the drive Remove function. It is resposible for
// sending the request to the drive API, then updating the local state and
// metadata to reflect the new state.
class RemoveOperation {
public:
RemoveOperation(DriveServiceInterface* drive_service,
DriveCache* cache,
DriveResourceMetadata* metadata,
OperationObserver* observer);
virtual ~RemoveOperation();
// Perform the remove operation on the file at drive path |file_path|.
// Invokes |callback| when finished with the result of the operation.
virtual void Remove(const FilePath& file_path,
bool is_recursive,
const FileOperationCallback& callback);
private:
// Part of Remove(). Called after GetEntryInfoByPath() is complete.
// |callback| must not be null.
void RemoveAfterGetEntryInfo(
const FileOperationCallback& callback,
DriveFileError error,
scoped_ptr<DriveEntryProto> entry_proto);
// Callback for DriveServiceInterface::DeleteDocument. Removes the entry with
// |resource_id| from the local snapshot of the filesystem and the cache.
// |document_url| is unused. |callback| must not be null.
void RemoveResourceLocally(
const FileOperationCallback& callback,
const std::string& resource_id,
gdata::GDataErrorCode status,
const GURL& /* document_url */);
// Sends notification for directory changes. Notifies of directory changes,
// and runs |callback| with |error|. |callback| may be null.
void NotifyDirectoryChanged(
const FileOperationCallback& callback,
DriveFileError error,
const FilePath& directory_path);
DriveServiceInterface* drive_service_;
DriveCache* cache_;
DriveResourceMetadata* metadata_;
OperationObserver* observer_;
// WeakPtrFactory bound to the UI thread.
// 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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