1 // Copyright 2013 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.
5 #ifndef STORAGE_BROWSER_FILEAPI_QUOTA_QUOTA_BACKEND_IMPL_H_
6 #define STORAGE_BROWSER_FILEAPI_QUOTA_QUOTA_BACKEND_IMPL_H_
8 #include "base/memory/ref_counted.h"
9 #include "base/memory/weak_ptr.h"
10 #include "storage/browser/fileapi/quota/quota_reservation_manager.h"
11 #include "storage/browser/fileapi/sandbox_file_system_backend_delegate.h"
12 #include "storage/browser/storage_browser_export.h"
13 #include "storage/common/quota/quota_status_code.h"
16 class SequencedTaskRunner;
20 class QuotaBackendImplTest;
24 class QuotaManagerProxy;
29 class FileSystemUsageCache;
30 class ObfuscatedFileUtil;
32 // An instance of this class is owned by QuotaReservationManager.
33 class STORAGE_EXPORT QuotaBackendImpl
34 : public QuotaReservationManager::QuotaBackend {
36 typedef QuotaReservationManager::ReserveQuotaCallback
39 QuotaBackendImpl(base::SequencedTaskRunner* file_task_runner,
40 ObfuscatedFileUtil* obfuscated_file_util,
41 FileSystemUsageCache* file_system_usage_cache,
42 storage::QuotaManagerProxy* quota_manager_proxy);
43 ~QuotaBackendImpl() override;
45 // QuotaReservationManager::QuotaBackend overrides.
46 void ReserveQuota(const GURL& origin,
49 const ReserveQuotaCallback& callback) override;
50 void ReleaseReservedQuota(const GURL& origin,
53 void CommitQuotaUsage(const GURL& origin,
55 int64 delta) override;
56 void IncrementDirtyCount(const GURL& origin, FileSystemType type) override;
57 void DecrementDirtyCount(const GURL& origin, FileSystemType type) override;
60 friend class content::QuotaBackendImplTest;
62 struct QuotaReservationInfo {
63 QuotaReservationInfo(const GURL& origin, FileSystemType type, int64 delta);
64 ~QuotaReservationInfo();
71 void DidGetUsageAndQuotaForReserveQuota(const QuotaReservationInfo& info,
72 const ReserveQuotaCallback& callback,
73 storage::QuotaStatusCode status,
77 void ReserveQuotaInternal(
78 const QuotaReservationInfo& info);
79 base::File::Error GetUsageCachePath(
82 base::FilePath* usage_file_path);
84 scoped_refptr<base::SequencedTaskRunner> file_task_runner_;
86 // Owned by SandboxFileSystemBackendDelegate.
87 ObfuscatedFileUtil* obfuscated_file_util_;
88 FileSystemUsageCache* file_system_usage_cache_;
90 scoped_refptr<storage::QuotaManagerProxy> quota_manager_proxy_;
92 base::WeakPtrFactory<QuotaBackendImpl> weak_ptr_factory_;
94 DISALLOW_COPY_AND_ASSIGN(QuotaBackendImpl);
97 } // namespace storage
99 #endif // STORAGE_BROWSER_FILEAPI_QUOTA_QUOTA_BACKEND_IMPL_H_