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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_GOOGLE_APIS_DRIVE_API_SERVICE_H_
#define CHROME_BROWSER_GOOGLE_APIS_DRIVE_API_SERVICE_H_
#include <string>
#include "base/memory/scoped_ptr.h"
#include "base/observer_list.h"
#include "chrome/browser/google_apis/auth_service_observer.h"
#include "chrome/browser/google_apis/drive_api_url_generator.h"
#include "chrome/browser/google_apis/drive_service_interface.h"
class GURL;
class Profile;
namespace base {
class FilePath;
}
namespace net {
class URLRequestContextGetter;
} // namespace net
namespace google_apis {
class OperationRunner;
// This class provides documents feed service calls for Drive V2 API.
// Details of API call are abstracted in each operation class and this class
// works as a thin wrapper for the API.
class DriveAPIService : public DriveServiceInterface,
public AuthServiceObserver,
public OperationRegistryObserver {
public:
// Instance is usually created by DriveSystemServiceFactory and owned by
// DriveFileSystem.
//
// |url_request_context_getter| is used to initialize URLFetcher.
// |base_url| is used to generate URLs for communication with the drive API.
// |custom_user_agent| will be used for the User-Agent header in HTTP
// requests issues through the service if the value is not empty.
DriveAPIService(
net::URLRequestContextGetter* url_request_context_getter,
const GURL& base_url,
const std::string& custom_user_agent);
virtual ~DriveAPIService();
// DriveServiceInterface Overrides
virtual void Initialize(Profile* profile) OVERRIDE;
virtual void AddObserver(DriveServiceObserver* observer) OVERRIDE;
virtual void RemoveObserver(DriveServiceObserver* observer) OVERRIDE;
virtual bool CanStartOperation() const OVERRIDE;
virtual void CancelAll() OVERRIDE;
virtual bool CancelForFilePath(const base::FilePath& file_path) OVERRIDE;
virtual OperationProgressStatusList GetProgressStatusList() const OVERRIDE;
virtual bool HasAccessToken() const OVERRIDE;
virtual bool HasRefreshToken() const OVERRIDE;
virtual void ClearAccessToken() OVERRIDE;
virtual void ClearRefreshToken() OVERRIDE;
virtual std::string GetRootResourceId() const OVERRIDE;
virtual void GetResourceList(
const GURL& feed_url,
int64 start_changestamp,
const std::string& search_query,
bool shared_with_me,
const std::string& directory_resource_id,
const GetResourceListCallback& callback) OVERRIDE;
virtual void GetResourceEntry(
const std::string& resource_id,
const GetResourceEntryCallback& callback) OVERRIDE;
virtual void GetAccountMetadata(
const GetAccountMetadataCallback& callback) OVERRIDE;
virtual void GetAboutResource(
const GetAboutResourceCallback& callback) OVERRIDE;
virtual void GetAppList(const GetAppListCallback& callback) OVERRIDE;
virtual void DeleteResource(
const std::string& resource_id,
const std::string& etag,
const EntryActionCallback& callback) OVERRIDE;
virtual void DownloadFile(
const base::FilePath& virtual_path,
const base::FilePath& local_cache_path,
const GURL& download_url,
const DownloadActionCallback& download_action_callback,
const GetContentCallback& get_content_callback) OVERRIDE;
virtual void CopyHostedDocument(
const std::string& resource_id,
const std::string& new_name,
const GetResourceEntryCallback& callback) OVERRIDE;
virtual void RenameResource(
const std::string& resource_id,
const std::string& new_name,
const EntryActionCallback& callback) OVERRIDE;
virtual void AddResourceToDirectory(
const std::string& parent_resource_id,
const std::string& resource_id,
const EntryActionCallback& callback) OVERRIDE;
virtual void RemoveResourceFromDirectory(
const std::string& parent_resource_id,
const std::string& resource_id,
const EntryActionCallback& callback) OVERRIDE;
virtual void AddNewDirectory(
const std::string& parent_resource_id,
const std::string& directory_name,
const GetResourceEntryCallback& callback) OVERRIDE;
virtual void InitiateUploadNewFile(
const base::FilePath& drive_file_path,
const std::string& content_type,
int64 content_length,
const std::string& parent_resource_id,
const std::string& title,
const InitiateUploadCallback& callback) OVERRIDE;
virtual void InitiateUploadExistingFile(
const base::FilePath& drive_file_path,
const std::string& content_type,
int64 content_length,
const std::string& resource_id,
const std::string& etag,
const InitiateUploadCallback& callback) OVERRIDE;
virtual void ResumeUpload(
UploadMode upload_mode,
const base::FilePath& drive_file_path,
const GURL& upload_url,
int64 start_position,
int64 end_position,
int64 content_length,
const std::string& content_type,
const scoped_refptr<net::IOBuffer>& buf,
const UploadRangeCallback& callback) OVERRIDE;
virtual void GetUploadStatus(
UploadMode upload_mode,
const base::FilePath& drive_file_path,
const GURL& upload_url,
int64 content_length,
const UploadRangeCallback& callback) OVERRIDE;
virtual void AuthorizeApp(
const GURL& edit_url,
const std::string& app_id,
const AuthorizeAppCallback& callback) OVERRIDE;
private:
OperationRegistry* operation_registry() const;
// Fetches a changelist from |url| with |start_changestamp|, using Drive V2
// API. If this URL is empty the call will use the default URL. Specify |url|
// when pagenated request should be issued.
// |start_changestamp| specifies the starting point of change list or 0 if
// all changes are necessary.
// Upon completion, invokes |callback| with results on calling thread.
void GetChangelist(const GURL& url,
int64 start_changestamp,
const GetResourceListCallback& callback);
// Fetches a filelist from |url| with |search_query|, using Drive V2 API. If
// this URL is empty the call will use the default URL. Specify |url| when
// pagenated request should be issued.
// |search_query| specifies query string, whose syntax is described at
// https://developers.google.com/drive/search-parameters
void GetFilelist(const GURL& url,
const std::string& search_query,
const GetResourceListCallback& callback);
// AuthServiceObserver override.
virtual void OnOAuth2RefreshTokenChanged() OVERRIDE;
// DriveServiceObserver Overrides
virtual void OnProgressUpdate(
const OperationProgressStatusList& list) OVERRIDE;
net::URLRequestContextGetter* url_request_context_getter_;
Profile* profile_;
scoped_ptr<OperationRunner> runner_;
ObserverList<DriveServiceObserver> observers_;
DriveApiUrlGenerator url_generator_;
const std::string custom_user_agent_;
DISALLOW_COPY_AND_ASSIGN(DriveAPIService);
};
} // namespace google_apis
#endif // CHROME_BROWSER_GOOGLE_APIS_DRIVE_API_SERVICE_H_
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