| // 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 COMPONENTS_DRIVE_CHROMEOS_FILE_SYSTEM_H_ |
| #define COMPONENTS_DRIVE_CHROMEOS_FILE_SYSTEM_H_ |
| |
| #include <stdint.h> |
| |
| #include <map> |
| #include <memory> |
| #include <set> |
| #include <string> |
| #include <vector> |
| |
| #include "base/macros.h" |
| #include "base/memory/ref_counted.h" |
| #include "base/memory/weak_ptr.h" |
| #include "base/observer_list.h" |
| #include "base/threading/thread_checker.h" |
| #include "base/time/default_clock.h" |
| #include "components/drive/chromeos/change_list_loader_observer.h" |
| #include "components/drive/chromeos/drive_operation_queue.h" |
| #include "components/drive/chromeos/file_system/operation_delegate.h" |
| #include "components/drive/chromeos/file_system_interface.h" |
| #include "components/drive/chromeos/team_drive_change_list_loader.h" |
| #include "components/drive/chromeos/team_drive_list_observer.h" |
| #include "google_apis/drive/drive_api_error_codes.h" |
| |
| namespace base { |
| class SequencedTaskRunner; |
| } // namespace base |
| |
| namespace google_apis { |
| class AboutResource; |
| class ResourceEntry; |
| } // namespace google_apis |
| |
| namespace drive { |
| struct ClientContext; |
| class EventLogger; |
| class FileSystemObserver; |
| class JobScheduler; |
| |
| namespace internal { |
| class AboutResourceLoader; |
| class DriveChangeListLoader; |
| class FileCache; |
| class LoaderController; |
| class ResourceMetadata; |
| class SyncClient; |
| class TeamDrive; |
| } // namespace internal |
| |
| namespace file_system { |
| class CopyOperation; |
| class CreateDirectoryOperation; |
| class CreateFileOperation; |
| class DownloadOperation; |
| class GetFileForSavingOperation; |
| class MoveOperation; |
| class OpenFileOperation; |
| class RemoveOperation; |
| class SearchOperation; |
| class SetPropertyOperation; |
| class TouchOperation; |
| class TruncateOperation; |
| } // namespace file_system |
| |
| // The production implementation of FileSystemInterface. |
| class FileSystem : public FileSystemInterface, |
| public internal::ChangeListLoaderObserver, |
| public internal::TeamDriveListObserver, |
| public file_system::OperationDelegate { |
| public: |
| // |clock| can be mocked for testing. |
| FileSystem(EventLogger* logger, |
| internal::FileCache* cache, |
| JobScheduler* scheduler, |
| internal::ResourceMetadata* resource_metadata, |
| base::SequencedTaskRunner* blocking_task_runner, |
| const base::FilePath& temporary_file_directory, |
| const base::Clock* clock = base::DefaultClock::GetInstance()); |
| ~FileSystem() override; |
| |
| // FileSystemInterface overrides. |
| void AddObserver(FileSystemObserver* observer) override; |
| void RemoveObserver(FileSystemObserver* observer) override; |
| void CheckForUpdates() override; |
| void CheckForUpdates(const std::set<std::string>& ids) override; |
| void Search(const std::string& search_query, |
| const GURL& next_link, |
| SearchCallback callback) override; |
| void SearchMetadata(const std::string& query, |
| int options, |
| int at_most_num_matches, |
| MetadataSearchOrder order, |
| SearchMetadataCallback callback) override; |
| void SearchByHashes(const std::set<std::string>& hashes, |
| SearchByHashesCallback callback) override; |
| void TransferFileFromLocalToRemote( |
| const base::FilePath& local_src_file_path, |
| const base::FilePath& remote_dest_file_path, |
| const FileOperationCallback& callback) override; |
| void OpenFile(const base::FilePath& file_path, |
| OpenMode open_mode, |
| const std::string& mime_type, |
| OpenFileCallback callback) override; |
| void Copy(const base::FilePath& src_file_path, |
| const base::FilePath& dest_file_path, |
| bool preserve_last_modified, |
| const FileOperationCallback& callback) override; |
| void Move(const base::FilePath& src_file_path, |
| const base::FilePath& dest_file_path, |
| const FileOperationCallback& callback) override; |
| void Remove(const base::FilePath& file_path, |
| bool is_recursive, |
| const FileOperationCallback& callback) override; |
| void CreateDirectory(const base::FilePath& directory_path, |
| bool is_exclusive, |
| bool is_recursive, |
| const FileOperationCallback& callback) override; |
| void CreateFile(const base::FilePath& file_path, |
| bool is_exclusive, |
| const std::string& mime_type, |
| const FileOperationCallback& callback) override; |
| void TouchFile(const base::FilePath& file_path, |
| const base::Time& last_access_time, |
| const base::Time& last_modified_time, |
| const FileOperationCallback& callback) override; |
| void TruncateFile(const base::FilePath& file_path, |
| int64_t length, |
| const FileOperationCallback& callback) override; |
| void Pin(const base::FilePath& file_path, |
| const FileOperationCallback& callback) override; |
| void Unpin(const base::FilePath& file_path, |
| const FileOperationCallback& callback) override; |
| void GetFile(const base::FilePath& file_path, |
| GetFileCallback callback) override; |
| void GetFileForSaving(const base::FilePath& file_path, |
| GetFileCallback callback) override; |
| base::Closure GetFileContent( |
| const base::FilePath& file_path, |
| GetFileContentInitializedCallback initialized_callback, |
| const google_apis::GetContentCallback& get_content_callback, |
| const FileOperationCallback& completion_callback) override; |
| void GetResourceEntry(const base::FilePath& file_path, |
| GetResourceEntryCallback callback) override; |
| void ReadDirectory(const base::FilePath& directory_path, |
| ReadDirectoryEntriesCallback entries_callback, |
| const FileOperationCallback& completion_callback) override; |
| void GetAvailableSpace(GetAvailableSpaceCallback callback) override; |
| void GetMetadata(GetFilesystemMetadataCallback callback) override; |
| void MarkCacheFileAsMounted(const base::FilePath& drive_file_path, |
| MarkMountedCallback callback) override; |
| void IsCacheFileMarkedAsMounted(const base::FilePath& drive_file_path, |
| IsMountedCallback callback) override; |
| void MarkCacheFileAsUnmounted(const base::FilePath& cache_file_path, |
| const FileOperationCallback& callback) override; |
| void AddPermission(const base::FilePath& drive_file_path, |
| const std::string& email, |
| google_apis::drive::PermissionRole role, |
| const FileOperationCallback& callback) override; |
| void SetProperty(const base::FilePath& drive_file_path, |
| google_apis::drive::Property::Visibility visibility, |
| const std::string& key, |
| const std::string& value, |
| const FileOperationCallback& callback) override; |
| void Reset(const FileOperationCallback& callback) override; |
| void GetPathFromResourceId(const std::string& resource_id, |
| const GetFilePathCallback& callback) override; |
| void FreeDiskSpaceIfNeededFor(int64_t num_bytes, |
| const FreeDiskSpaceCallback& callback) override; |
| void CalculateCacheSize(const CacheSizeCallback& callback) override; |
| void CalculateEvictableCacheSize(const CacheSizeCallback& callback) override; |
| |
| // file_system::OperationDelegate overrides. |
| void OnFileChangedByOperation(const FileChange& changed_files) override; |
| void OnEntryUpdatedByOperation(const ClientContext& context, |
| const std::string& local_id) override; |
| void OnDriveSyncError(file_system::DriveSyncErrorType type, |
| const std::string& local_id) override; |
| bool WaitForSyncComplete(const std::string& local_id, |
| const FileOperationCallback& callback) override; |
| |
| // ChangeListLoader::Observer overrides. |
| // Used to propagate events from ChangeListLoader. |
| void OnDirectoryReloaded(const base::FilePath& directory_path) override; |
| void OnFileChanged(const FileChange& changed_files) override; |
| void OnTeamDrivesChanged(const FileChange& changed_team_drives) override; |
| void OnLoadFromServerComplete() override; |
| void OnInitialLoadComplete() override; |
| |
| // TeamDriveListObserver overrides. |
| void OnTeamDriveListLoaded( |
| const std::vector<internal::TeamDrive>& team_drives_list, |
| const std::vector<internal::TeamDrive>& added_team_drives, |
| const std::vector<internal::TeamDrive>& removed_team_drives) override; |
| |
| // Used by tests. |
| internal::DriveChangeListLoader* change_list_loader_for_testing() { |
| return default_corpus_change_list_loader_.get(); |
| } |
| internal::SyncClient* sync_client_for_testing() { return sync_client_.get(); } |
| |
| internal::DriveBackgroundOperationQueue<internal::TeamDriveChangeListLoader>* |
| team_drive_operation_queue_for_testing() { |
| return team_drive_operation_queue_.get(); |
| } |
| |
| private: |
| struct CreateDirectoryParams; |
| |
| // Used for initialization and Reset(). (Re-)initializes sub components that |
| // need to be recreated during the reset of resource metadata and the cache. |
| void ResetComponents(); |
| |
| // Part of CreateDirectory(). Called after ReadDirectory() |
| // is called and made sure that the resource metadata is loaded. |
| void CreateDirectoryAfterRead(const CreateDirectoryParams& params, |
| FileError error); |
| |
| void FinishPin(const FileOperationCallback& callback, |
| const std::string* local_id, |
| FileError error); |
| |
| void FinishUnpin(const FileOperationCallback& callback, |
| const std::string* local_id, |
| FileError error); |
| |
| // Callback for handling about resource fetch. |
| void OnGetAboutResource( |
| GetAvailableSpaceCallback callback, |
| google_apis::DriveApiErrorCode status, |
| std::unique_ptr<google_apis::AboutResource> about_resource); |
| |
| // Stores any file error as a result of Checking updates. |
| void OnUpdateChecked(const std::string& team_drive_id, |
| const base::RepeatingClosure& closure, |
| FileError error); |
| |
| // Part of CheckForUpdates(). Called when |
| // ChangeListLoader::CheckForUpdates() is complete. |
| void OnUpdateCompleted(); |
| |
| // Part of GetResourceEntry(). |
| // Called when ReadDirectory() is complete. |
| void GetResourceEntryAfterRead(const base::FilePath& file_path, |
| GetResourceEntryCallback callback, |
| FileError error); |
| |
| void OnGetMetadata( |
| GetFilesystemMetadataCallback callback, |
| drive::FileSystemMetadata* default_corpus_metadata, |
| std::map<std::string, drive::FileSystemMetadata>* team_drive_metadata); |
| |
| // Part of AddPermission. |
| void AddPermissionAfterGetResourceEntry( |
| const std::string& email, |
| google_apis::drive::PermissionRole role, |
| const FileOperationCallback& callback, |
| ResourceEntry* entry, |
| FileError error); |
| |
| // Part of OnDriveSyncError(). |
| virtual void OnDriveSyncErrorAfterGetFilePath( |
| file_system::DriveSyncErrorType type, |
| const base::FilePath* file_path, |
| FileError error); |
| |
| // Sub components owned by DriveIntegrationService. |
| EventLogger* logger_; |
| internal::FileCache* cache_; |
| JobScheduler* scheduler_; |
| internal::ResourceMetadata* resource_metadata_; |
| |
| // Stores debug update metadata for default corpus and team drive. |
| std::map<std::string, FileSystemMetadata> last_update_metadata_; |
| |
| // Used to load about resource. |
| std::unique_ptr<internal::AboutResourceLoader> about_resource_loader_; |
| |
| // Used to control ChangeListLoader. |
| std::unique_ptr<internal::LoaderController> loader_controller_; |
| |
| // Used to retrieve changelists from the default corpus. |
| std::unique_ptr<internal::DriveChangeListLoader> |
| default_corpus_change_list_loader_; |
| |
| std::unique_ptr<internal::DriveBackgroundOperationQueue< |
| internal::TeamDriveChangeListLoader>> |
| team_drive_operation_queue_; |
| |
| // Used to retrieve changelists for team drives. The key for the map is the |
| // team_drive_id. |
| std::map<std::string, std::unique_ptr<internal::TeamDriveChangeListLoader>> |
| team_drive_change_list_loaders_; |
| |
| std::unique_ptr<internal::SyncClient> sync_client_; |
| |
| base::ObserverList<FileSystemObserver>::Unchecked observers_; |
| |
| scoped_refptr<base::SequencedTaskRunner> blocking_task_runner_; |
| |
| base::FilePath temporary_file_directory_; |
| |
| const base::Clock* clock_; // Not owned. |
| |
| // Implementation of each file system operation. |
| std::unique_ptr<file_system::CopyOperation> copy_operation_; |
| std::unique_ptr<file_system::CreateDirectoryOperation> |
| create_directory_operation_; |
| std::unique_ptr<file_system::CreateFileOperation> create_file_operation_; |
| std::unique_ptr<file_system::MoveOperation> move_operation_; |
| std::unique_ptr<file_system::OpenFileOperation> open_file_operation_; |
| std::unique_ptr<file_system::RemoveOperation> remove_operation_; |
| std::unique_ptr<file_system::TouchOperation> touch_operation_; |
| std::unique_ptr<file_system::TruncateOperation> truncate_operation_; |
| std::unique_ptr<file_system::DownloadOperation> download_operation_; |
| std::unique_ptr<file_system::SearchOperation> search_operation_; |
| std::unique_ptr<file_system::GetFileForSavingOperation> |
| get_file_for_saving_operation_; |
| std::unique_ptr<file_system::SetPropertyOperation> set_property_operation_; |
| |
| THREAD_CHECKER(thread_checker_); |
| |
| // 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<FileSystem> weak_ptr_factory_; |
| |
| DISALLOW_COPY_AND_ASSIGN(FileSystem); |
| }; |
| |
| } // namespace drive |
| |
| #endif // COMPONENTS_DRIVE_CHROMEOS_FILE_SYSTEM_H_ |