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 ResourceIdCanonicalizer GetResourceIdCanonicalizer() const OVERRIDE; 70 virtual bool HasAccessToken() const OVERRIDE; 71 virtual void RequestAccessToken( 72 const google_apis::AuthStatusCallback& callback) OVERRIDE; 73 virtual bool HasRefreshToken() const OVERRIDE; 74 virtual void ClearAccessToken() OVERRIDE; 75 virtual void ClearRefreshToken() OVERRIDE; 76 virtual std::string GetRootResourceId() const OVERRIDE; 77 virtual google_apis::CancelCallback GetAllResourceList( 78 const google_apis::GetResourceListCallback& callback) OVERRIDE; 79 virtual google_apis::CancelCallback GetResourceListInDirectory( 80 const std::string& directory_resource_id, 81 const google_apis::GetResourceListCallback& callback) OVERRIDE; 82 virtual google_apis::CancelCallback Search( 83 const std::string& search_query, 84 const google_apis::GetResourceListCallback& callback) OVERRIDE; 85 virtual google_apis::CancelCallback SearchByTitle( 86 const std::string& title, 87 const std::string& directory_resource_id, 88 const google_apis::GetResourceListCallback& callback) OVERRIDE; 89 virtual google_apis::CancelCallback GetChangeList( 90 int64 start_changestamp, 91 const google_apis::GetResourceListCallback& callback) OVERRIDE; 92 virtual google_apis::CancelCallback GetRemainingChangeList( 93 const GURL& next_link, 94 const google_apis::GetResourceListCallback& callback) OVERRIDE; 95 virtual google_apis::CancelCallback GetRemainingFileList( 96 const GURL& next_link, 97 const google_apis::GetResourceListCallback& callback) OVERRIDE; 98 virtual google_apis::CancelCallback GetResourceEntry( 99 const std::string& resource_id, 100 const google_apis::GetResourceEntryCallback& callback) OVERRIDE; 101 virtual google_apis::CancelCallback GetShareUrl( 102 const std::string& resource_id, 103 const GURL& embed_origin, 104 const google_apis::GetShareUrlCallback& callback) OVERRIDE; 105 virtual google_apis::CancelCallback GetAboutResource( 106 const google_apis::AboutResourceCallback& callback) OVERRIDE; 107 virtual google_apis::CancelCallback GetAppList( 108 const google_apis::AppListCallback& callback) OVERRIDE; 109 virtual google_apis::CancelCallback DeleteResource( 110 const std::string& resource_id, 111 const std::string& etag, 112 const google_apis::EntryActionCallback& callback) OVERRIDE; 113 virtual google_apis::CancelCallback TrashResource( 114 const std::string& resource_id, 115 const google_apis::EntryActionCallback& callback) OVERRIDE; 116 virtual google_apis::CancelCallback DownloadFile( 117 const base::FilePath& local_cache_path, 118 const std::string& resource_id, 119 const google_apis::DownloadActionCallback& download_action_callback, 120 const google_apis::GetContentCallback& get_content_callback, 121 const google_apis::ProgressCallback& progress_callback) OVERRIDE; 122 virtual google_apis::CancelCallback CopyResource( 123 const std::string& resource_id, 124 const std::string& parent_resource_id, 125 const std::string& new_title, 126 const base::Time& last_modified, 127 const google_apis::GetResourceEntryCallback& callback) OVERRIDE; 128 virtual google_apis::CancelCallback UpdateResource( 129 const std::string& resource_id, 130 const std::string& parent_resource_id, 131 const std::string& new_title, 132 const base::Time& last_modified, 133 const base::Time& last_viewed_by_me, 134 const google_apis::GetResourceEntryCallback& callback) OVERRIDE; 135 virtual google_apis::CancelCallback RenameResource( 136 const std::string& resource_id, 137 const std::string& new_title, 138 const google_apis::EntryActionCallback& callback) OVERRIDE; 139 virtual google_apis::CancelCallback AddResourceToDirectory( 140 const std::string& parent_resource_id, 141 const std::string& resource_id, 142 const google_apis::EntryActionCallback& callback) OVERRIDE; 143 virtual google_apis::CancelCallback RemoveResourceFromDirectory( 144 const std::string& parent_resource_id, 145 const std::string& resource_id, 146 const google_apis::EntryActionCallback& callback) OVERRIDE; 147 virtual google_apis::CancelCallback AddNewDirectory( 148 const std::string& parent_resource_id, 149 const std::string& directory_title, 150 const google_apis::GetResourceEntryCallback& callback) OVERRIDE; 151 virtual google_apis::CancelCallback InitiateUploadNewFile( 152 const std::string& content_type, 153 int64 content_length, 154 const std::string& parent_resource_id, 155 const std::string& title, 156 const google_apis::InitiateUploadCallback& callback) OVERRIDE; 157 virtual google_apis::CancelCallback InitiateUploadExistingFile( 158 const std::string& content_type, 159 int64 content_length, 160 const std::string& resource_id, 161 const std::string& etag, 162 const google_apis::InitiateUploadCallback& callback) OVERRIDE; 163 virtual google_apis::CancelCallback ResumeUpload( 164 const GURL& upload_url, 165 int64 start_position, 166 int64 end_position, 167 int64 content_length, 168 const std::string& content_type, 169 const base::FilePath& local_file_path, 170 const google_apis::UploadRangeCallback& callback, 171 const google_apis::ProgressCallback& progress_callback) OVERRIDE; 172 virtual google_apis::CancelCallback GetUploadStatus( 173 const GURL& upload_url, 174 int64 content_length, 175 const google_apis::UploadRangeCallback& callback) OVERRIDE; 176 virtual google_apis::CancelCallback AuthorizeApp( 177 const std::string& resource_id, 178 const std::string& app_id, 179 const google_apis::AuthorizeAppCallback& callback) OVERRIDE; 180 virtual google_apis::CancelCallback GetResourceListInDirectoryByWapi( 181 const std::string& directory_resource_id, 182 const google_apis::GetResourceListCallback& callback) OVERRIDE; 183 virtual google_apis::CancelCallback GetRemainingResourceList( 184 const GURL& next_link, 185 const google_apis::GetResourceListCallback& callback) OVERRIDE; 186 187 private: 188 // AuthServiceObserver override. 189 virtual void OnOAuth2RefreshTokenChanged() OVERRIDE; 190 191 OAuth2TokenService* oauth2_token_service_; 192 scoped_refptr<net::URLRequestContextGetter> url_request_context_getter_; 193 scoped_refptr<base::SequencedTaskRunner> blocking_task_runner_; 194 scoped_ptr<google_apis::RequestSender> sender_; 195 ObserverList<DriveServiceObserver> observers_; 196 google_apis::DriveApiUrlGenerator url_generator_; 197 google_apis::GDataWapiUrlGenerator wapi_url_generator_; 198 const std::string custom_user_agent_; 199 200 DISALLOW_COPY_AND_ASSIGN(DriveAPIService); 201 }; 202 203 } // namespace drive 204 205 #endif // CHROME_BROWSER_DRIVE_DRIVE_API_SERVICE_H_ 206