| // 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 STORAGE_BROWSER_FILE_SYSTEM_FILE_SYSTEM_QUOTA_UTIL_H_ |
| #define STORAGE_BROWSER_FILE_SYSTEM_FILE_SYSTEM_QUOTA_UTIL_H_ |
| |
| #include <stdint.h> |
| |
| #include <set> |
| #include <string> |
| |
| #include "base/component_export.h" |
| #include "base/files/file.h" |
| #include "base/memory/scoped_refptr.h" |
| #include "storage/common/file_system/file_system_types.h" |
| #include "url/gurl.h" |
| |
| namespace url { |
| class Origin; |
| } |
| |
| namespace storage { |
| |
| class FileSystemContext; |
| class QuotaManagerProxy; |
| class QuotaReservation; |
| |
| // An abstract interface that provides common quota-related utility functions |
| // for file_system_quota_client. |
| // All the methods of this class are synchronous and need to be called on |
| // the thread that the method name implies. |
| class COMPONENT_EXPORT(STORAGE_BROWSER) FileSystemQuotaUtil { |
| public: |
| virtual ~FileSystemQuotaUtil() {} |
| |
| // Deletes the data on the origin and reports the amount of deleted data |
| // to the quota manager via |proxy|. |
| virtual base::File::Error DeleteOriginDataOnFileTaskRunner( |
| FileSystemContext* context, |
| QuotaManagerProxy* proxy, |
| const GURL& origin_url, |
| FileSystemType type) = 0; |
| |
| virtual void PerformStorageCleanupOnFileTaskRunner(FileSystemContext* context, |
| QuotaManagerProxy* proxy, |
| FileSystemType type) = 0; |
| |
| virtual void GetOriginsForTypeOnFileTaskRunner(FileSystemType type, |
| std::set<GURL>* origins) = 0; |
| |
| virtual void GetOriginsForHostOnFileTaskRunner(FileSystemType type, |
| const std::string& host, |
| std::set<GURL>* origins) = 0; |
| |
| // Returns the amount of data used for the origin for usage tracking. |
| virtual int64_t GetOriginUsageOnFileTaskRunner( |
| FileSystemContext* file_system_context, |
| const url::Origin& origin, |
| FileSystemType type) = 0; |
| |
| // Creates new reservation object for the origin and the type. |
| virtual scoped_refptr<QuotaReservation> |
| CreateQuotaReservationOnFileTaskRunner(const url::Origin& origin, |
| FileSystemType type) = 0; |
| }; |
| |
| } // namespace storage |
| |
| #endif // STORAGE_BROWSER_FILE_SYSTEM_FILE_SYSTEM_QUOTA_UTIL_H_ |