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// Copyright 2013 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_CREATE_FILE_OPERATION_H_
#define CHROME_BROWSER_CHROMEOS_DRIVE_FILE_SYSTEM_CREATE_FILE_OPERATION_H_
#include "base/basictypes.h"
#include "base/memory/scoped_ptr.h"
#include "base/memory/weak_ptr.h"
#include "chrome/browser/chromeos/drive/resource_metadata.h"
#include "chrome/browser/google_apis/gdata_errorcode.h"
namespace base {
class FilePath;
}
namespace google_apis {
class ResourceEntry;
}
namespace drive {
namespace internal {
class FileCache;
} // namespace internal
class JobScheduler;
class ResourceEntry;
namespace file_system {
class OperationObserver;
// This class encapsulates the drive CreateFile function. It is responsible for
// sending the request to the drive API, then updating the local state and
// metadata to reflect the new state.
class CreateFileOperation {
public:
CreateFileOperation(
JobScheduler* job_scheduler,
internal::FileCache* cache,
internal::ResourceMetadata* metadata,
scoped_refptr<base::SequencedTaskRunner> blocking_task_runner,
OperationObserver* observer);
~CreateFileOperation();
// Creates an empty file at |file_path| in the remote server. When the file
// already exists at that path, the operation fails if |is_exclusive| is true,
// and it succeeds without doing anything if the flag is false.
//
// |callback| must not be null.
void CreateFile(const base::FilePath& file_path,
bool is_exclusive,
const FileOperationCallback& callback);
private:
void CreateFileAfterGetResourceEntry(
const base::FilePath& file_path,
bool is_exclusive,
const FileOperationCallback& callback,
scoped_ptr<EntryInfoPairResult> pair_result);
void CreateFileAfterGetMimeType(const base::FilePath& file_path,
const std::string& parent_resource_id,
const FileOperationCallback& callback,
const std::string* content_type,
bool got_content_type);
void CreateFileAfterUpload(
const FileOperationCallback& callback,
google_apis::GDataErrorCode error,
scoped_ptr<google_apis::ResourceEntry> resource_entry);
void CreateFileAfterAddToMetadata(const ResourceEntry& entry,
const FileOperationCallback& callback,
FileError error,
const base::FilePath& drive_path);
JobScheduler* job_scheduler_;
internal::FileCache* cache_;
internal::ResourceMetadata* metadata_;
scoped_refptr<base::SequencedTaskRunner> blocking_task_runner_;
OperationObserver* observer_;
// 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<CreateFileOperation> weak_ptr_factory_;
DISALLOW_COPY_AND_ASSIGN(CreateFileOperation);
};
} // namespace file_system
} // namespace drive
#endif // CHROME_BROWSER_CHROMEOS_DRIVE_FILE_SYSTEM_CREATE_FILE_OPERATION_H_
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