Move storage-related files from webkit/ to new top-level directory storage/

webkit/browser/fileapi/plugin_private_file_system_backend.h

-// 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_