| // 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 WEBKIT_BROWSER_FILEAPI_PLUGIN_PRIVATE_FILE_SYSTEM_BACKEND_H_ |
| #define WEBKIT_BROWSER_FILEAPI_PLUGIN_PRIVATE_FILE_SYSTEM_BACKEND_H_ |
| |
| #include <set> |
| #include <string> |
| |
| #include "base/memory/ref_counted.h" |
| #include "base/memory/weak_ptr.h" |
| #include "webkit/browser/fileapi/file_system_backend.h" |
| #include "webkit/browser/fileapi/file_system_options.h" |
| #include "webkit/browser/fileapi/file_system_quota_util.h" |
| |
| namespace base { |
| class SequencedTaskRunner; |
| } |
| |
| namespace content { |
| class PluginPrivateFileSystemBackendTest; |
| } |
| |
| namespace quota { |
| class SpecialStoragePolicy; |
| } |
| |
| namespace fileapi { |
| |
| class ObfuscatedFileUtil; |
| |
| class WEBKIT_STORAGE_BROWSER_EXPORT PluginPrivateFileSystemBackend |
| : public FileSystemBackend, |
| public FileSystemQuotaUtil { |
| public: |
| class FileSystemIDToPluginMap; |
| typedef base::Callback<void(base::File::Error result)> StatusCallback; |
| |
| PluginPrivateFileSystemBackend( |
| base::SequencedTaskRunner* file_task_runner, |
| const base::FilePath& profile_path, |
| quota::SpecialStoragePolicy* special_storage_policy, |
| const FileSystemOptions& file_system_options); |
| virtual ~PluginPrivateFileSystemBackend(); |
| |
| // This must be used to open 'private' filesystem instead of regular |
| // OpenFileSystem. |
| // |plugin_id| must be an identifier string for per-plugin |
| // isolation, e.g. name, MIME type etc. |
| // NOTE: |plugin_id| must be sanitized ASCII string that doesn't |
| // include *any* dangerous character like '/'. |
| void OpenPrivateFileSystem( |
| const GURL& origin_url, |
| FileSystemType type, |
| const std::string& filesystem_id, |
| const std::string& plugin_id, |
| OpenFileSystemMode mode, |
| const StatusCallback& callback); |
| |
| // FileSystemBackend overrides. |
| virtual bool CanHandleType(FileSystemType type) const OVERRIDE; |
| virtual void Initialize(FileSystemContext* context) OVERRIDE; |
| virtual void ResolveURL(const FileSystemURL& url, |
| OpenFileSystemMode mode, |
| const OpenFileSystemCallback& callback) OVERRIDE; |
| virtual AsyncFileUtil* GetAsyncFileUtil(FileSystemType type) OVERRIDE; |
| virtual CopyOrMoveFileValidatorFactory* GetCopyOrMoveFileValidatorFactory( |
| FileSystemType type, |
| base::File::Error* error_code) OVERRIDE; |
| virtual FileSystemOperation* CreateFileSystemOperation( |
| const FileSystemURL& url, |
| FileSystemContext* context, |
| base::File::Error* error_code) const OVERRIDE; |
| virtual bool SupportsStreaming(const FileSystemURL& url) const OVERRIDE; |
| virtual scoped_ptr<webkit_blob::FileStreamReader> CreateFileStreamReader( |
| const FileSystemURL& url, |
| int64 offset, |
| const base::Time& expected_modification_time, |
| FileSystemContext* context) const OVERRIDE; |
| virtual scoped_ptr<FileStreamWriter> CreateFileStreamWriter( |
| const FileSystemURL& url, |
| int64 offset, |
| FileSystemContext* context) const OVERRIDE; |
| virtual FileSystemQuotaUtil* GetQuotaUtil() OVERRIDE; |
| |
| // FileSystemQuotaUtil overrides. |
| virtual base::File::Error DeleteOriginDataOnFileTaskRunner( |
| FileSystemContext* context, |
| quota::QuotaManagerProxy* proxy, |
| const GURL& origin_url, |
| FileSystemType type) OVERRIDE; |
| virtual void GetOriginsForTypeOnFileTaskRunner( |
| FileSystemType type, |
| std::set<GURL>* origins) OVERRIDE; |
| virtual void GetOriginsForHostOnFileTaskRunner( |
| FileSystemType type, |
| const std::string& host, |
| std::set<GURL>* origins) OVERRIDE; |
| virtual int64 GetOriginUsageOnFileTaskRunner( |
| FileSystemContext* context, |
| const GURL& origin_url, |
| FileSystemType type) OVERRIDE; |
| virtual scoped_refptr<QuotaReservation> |
| CreateQuotaReservationOnFileTaskRunner( |
| const GURL& origin_url, |
| FileSystemType type) OVERRIDE; |
| virtual void AddFileUpdateObserver( |
| FileSystemType type, |
| FileUpdateObserver* observer, |
| base::SequencedTaskRunner* task_runner) OVERRIDE; |
| virtual void AddFileChangeObserver( |
| FileSystemType type, |
| FileChangeObserver* observer, |
| base::SequencedTaskRunner* task_runner) OVERRIDE; |
| virtual void AddFileAccessObserver( |
| FileSystemType type, |
| FileAccessObserver* observer, |
| base::SequencedTaskRunner* task_runner) OVERRIDE; |
| virtual const UpdateObserverList* GetUpdateObservers( |
| FileSystemType type) const OVERRIDE; |
| virtual const ChangeObserverList* GetChangeObservers( |
| FileSystemType type) const OVERRIDE; |
| virtual const AccessObserverList* GetAccessObservers( |
| FileSystemType type) const OVERRIDE; |
| |
| private: |
| friend class content::PluginPrivateFileSystemBackendTest; |
| |
| ObfuscatedFileUtil* obfuscated_file_util(); |
| const base::FilePath& base_path() const { return base_path_; } |
| |
| scoped_refptr<base::SequencedTaskRunner> file_task_runner_; |
| const FileSystemOptions file_system_options_; |
| const base::FilePath base_path_; |
| scoped_ptr<AsyncFileUtil> file_util_; |
| FileSystemIDToPluginMap* plugin_map_; // Owned by file_util_. |
| base::WeakPtrFactory<PluginPrivateFileSystemBackend> weak_factory_; |
| |
| DISALLOW_COPY_AND_ASSIGN(PluginPrivateFileSystemBackend); |
| }; |
| |
| } // namespace fileapi |
| |
| #endif // WEBKIT_BROWSER_FILEAPI_PLUGIN_PRIVATE_FILE_SYSTEM_BACKEND_H_ |