1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #ifndef CHROME_BROWSER_DRIVE_DRIVE_API_SERVICE_H_ 6 #define CHROME_BROWSER_DRIVE_DRIVE_API_SERVICE_H_ 7 8 #include <string> 9 10 #include "base/memory/ref_counted.h" 11 #include "base/memory/scoped_ptr.h" 12 #include "base/observer_list.h" 13 #include "chrome/browser/drive/drive_service_interface.h" 14 #include "google_apis/drive/auth_service_interface.h" 15 #include "google_apis/drive/auth_service_observer.h" 16 #include "google_apis/drive/drive_api_url_generator.h" 17 #include "google_apis/drive/gdata_wapi_url_generator.h" 18 19 class GURL; 20 class OAuth2TokenService; 21 22 namespace base { 23 class FilePath; 24 class SequencedTaskRunner; 25 } 26 27 namespace google_apis { 28 class RequestSender; 29 } 30 31 namespace net { 32 class URLRequestContextGetter; 33 } // namespace net 34 35 namespace drive { 36 37 // This class provides Drive request calls using Drive V2 API. 38 // Details of API call are abstracted in each request class and this class 39 // works as a thin wrapper for the API. 40 class DriveAPIService : public DriveServiceInterface, 41 public google_apis::AuthServiceObserver { 42 public: 43 // |oauth2_token_service| is used for obtaining OAuth2 access tokens. 44 // |url_request_context_getter| is used to initialize URLFetcher. 45 // |blocking_task_runner| is used to run blocking tasks (like parsing JSON). 46 // |base_url| is used to generate URLs for communication with the drive API. 47 // |base_download_url| is used to generate URLs for downloading file from the 48 // drive API. 49 // |wapi_base_url| is used to generate URLs for shared_url. Unfortunately, 50 // the share_url is not yet supported on Drive API v2, so as a fallback, 51 // we use GData WAPI. 52 // |custom_user_agent| will be used for the User-Agent header in HTTP 53 // requests issues through the service if the value is not empty. 54 DriveAPIService( 55 OAuth2TokenService* oauth2_token_service, 56 net::URLRequestContextGetter* url_request_context_getter, 57 base::SequencedTaskRunner* blocking_task_runner, 58 const GURL& base_url, 59 const GURL& base_download_url, 60 const GURL& wapi_base_url, 61 const std::string& custom_user_agent); 62 virtual ~DriveAPIService(); 63 64 // DriveServiceInterface Overrides 65 virtual void Initialize(const std::string& account_id) OVERRIDE; 66 virtual void AddObserver(DriveServiceObserver* observer) OVERRIDE; 67 virtual void RemoveObserver(DriveServiceObserver* observer) OVERRIDE; 68 virtual bool CanSendRequest() const OVERRIDE; 69 virtual bool HasAccessToken() const OVERRIDE; 70 virtual void RequestAccessToken( 71 const google_apis::AuthStatusCallback& callback) OVERRIDE; 72 virtual bool HasRefreshToken() const OVERRIDE; 73 virtual void ClearAccessToken() OVERRIDE; 74 virtual void ClearRefreshToken() OVERRIDE; 75 virtual std::string GetRootResourceId() const OVERRIDE; 76 virtual google_apis::CancelCallback GetAllFileList( 77 const google_apis::FileListCallback& callback) OVERRIDE; 78 virtual google_apis::CancelCallback GetFileListInDirectory( 79 const std::string& directory_resource_id, 80 const google_apis::FileListCallback& callback) OVERRIDE; 81 virtual google_apis::CancelCallback Search( 82 const std::string& search_query, 83 const google_apis::FileListCallback& callback) OVERRIDE; 84 virtual google_apis::CancelCallback SearchByTitle( 85 const std::string& title, 86 const std::string& directory_resource_id, 87 const google_apis::FileListCallback& callback) OVERRIDE; 88 virtual google_apis::CancelCallback GetChangeList( 89 int64 start_changestamp, 90 const google_apis::ChangeListCallback& callback) OVERRIDE; 91 virtual google_apis::CancelCallback GetRemainingChangeList( 92 const GURL& next_link, 93 const google_apis::ChangeListCallback& callback) OVERRIDE; 94 virtual google_apis::CancelCallback GetRemainingFileList( 95 const GURL& next_link, 96 const google_apis::FileListCallback& callback) OVERRIDE; 97 virtual google_apis::CancelCallback GetFileResource( 98 const std::string& resource_id, 99 const google_apis::FileResourceCallback& callback) OVERRIDE; 100 virtual google_apis::CancelCallback GetShareUrl( 101 const std::string& resource_id, 102 const GURL& embed_origin, 103 const google_apis::GetShareUrlCallback& callback) OVERRIDE; 104 virtual google_apis::CancelCallback GetAboutResource( 105 const google_apis::AboutResourceCallback& callback) OVERRIDE; 106 virtual google_apis::CancelCallback GetAppList( 107 const google_apis::AppListCallback& callback) OVERRIDE; 108 virtual google_apis::CancelCallback DeleteResource( 109 const std::string& resource_id, 110 const std::string& etag, 111 const google_apis::EntryActionCallback& callback) OVERRIDE; 112 virtual google_apis::CancelCallback TrashResource( 113 const std::string& resource_id, 114 const google_apis::EntryActionCallback& callback) OVERRIDE; 115 virtual google_apis::CancelCallback DownloadFile( 116 const base::FilePath& local_cache_path, 117 const std::string& resource_id, 118 const google_apis::DownloadActionCallback& download_action_callback, 119 const google_apis::GetContentCallback& get_content_callback, 120 const google_apis::ProgressCallback& progress_callback) OVERRIDE; 121 virtual google_apis::CancelCallback CopyResource( 122 const std::string& resource_id, 123 const std::string& parent_resource_id, 124 const std::string& new_title, 125 const base::Time& last_modified, 126 const google_apis::FileResourceCallback& callback) OVERRIDE; 127 virtual google_apis::CancelCallback UpdateResource( 128 const std::string& resource_id, 129 const std::string& parent_resource_id, 130 const std::string& new_title, 131 const base::Time& last_modified, 132 const base::Time& last_viewed_by_me, 133 const google_apis::FileResourceCallback& callback) OVERRIDE; 134 virtual google_apis::CancelCallback AddResourceToDirectory( 135 const std::string& parent_resource_id, 136 const std::string& resource_id, 137 const google_apis::EntryActionCallback& callback) OVERRIDE; 138 virtual google_apis::CancelCallback RemoveResourceFromDirectory( 139 const std::string& parent_resource_id, 140 const std::string& resource_id, 141 const google_apis::EntryActionCallback& callback) OVERRIDE; 142 virtual google_apis::CancelCallback AddNewDirectory( 143 const std::string& parent_resource_id, 144 const std::string& directory_title, 145 const AddNewDirectoryOptions& options, 146 const google_apis::FileResourceCallback& callback) OVERRIDE; 147 virtual google_apis::CancelCallback InitiateUploadNewFile( 148 const std::string& content_type, 149 int64 content_length, 150 const std::string& parent_resource_id, 151 const std::string& title, 152 const InitiateUploadNewFileOptions& options, 153 const google_apis::InitiateUploadCallback& callback) OVERRIDE; 154 virtual google_apis::CancelCallback InitiateUploadExistingFile( 155 const std::string& content_type, 156 int64 content_length, 157 const std::string& resource_id, 158 const InitiateUploadExistingFileOptions& options, 159 const google_apis::InitiateUploadCallback& callback) OVERRIDE; 160 virtual google_apis::CancelCallback ResumeUpload( 161 const GURL& upload_url, 162 int64 start_position, 163 int64 end_position, 164 int64 content_length, 165 const std::string& content_type, 166 const base::FilePath& local_file_path, 167 const google_apis::drive::UploadRangeCallback& callback, 168 const google_apis::ProgressCallback& progress_callback) OVERRIDE; 169 virtual google_apis::CancelCallback GetUploadStatus( 170 const GURL& upload_url, 171 int64 content_length, 172 const google_apis::drive::UploadRangeCallback& callback) OVERRIDE; 173 virtual google_apis::CancelCallback AuthorizeApp( 174 const std::string& resource_id, 175 const std::string& app_id, 176 const google_apis::AuthorizeAppCallback& callback) OVERRIDE; 177 virtual google_apis::CancelCallback UninstallApp( 178 const std::string& app_id, 179 const google_apis::EntryActionCallback& callback) OVERRIDE; 180 virtual google_apis::CancelCallback AddPermission( 181 const std::string& resource_id, 182 const std::string& email, 183 google_apis::drive::PermissionRole role, 184 const google_apis::EntryActionCallback& callback) OVERRIDE; 185 186 private: 187 // AuthServiceObserver override. 188 virtual void OnOAuth2RefreshTokenChanged() OVERRIDE; 189 190 OAuth2TokenService* oauth2_token_service_; 191 scoped_refptr<net::URLRequestContextGetter> url_request_context_getter_; 192 scoped_refptr<base::SequencedTaskRunner> blocking_task_runner_; 193 scoped_ptr<google_apis::RequestSender> sender_; 194 ObserverList<DriveServiceObserver> observers_; 195 google_apis::DriveApiUrlGenerator url_generator_; 196 google_apis::GDataWapiUrlGenerator wapi_url_generator_; 197 const std::string custom_user_agent_; 198 199 DISALLOW_COPY_AND_ASSIGN(DriveAPIService); 200 }; 201 202 } // namespace drive 203 204 #endif // CHROME_BROWSER_DRIVE_DRIVE_API_SERVICE_H_ 205