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1 // Copyright 2013 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef WEBKIT_BROWSER_FILEAPI_QUOTA_QUOTA_BACKEND_IMPL_H_ | 5 #include "storage/browser/fileapi/quota/quota_backend_impl.h" |
6 #define WEBKIT_BROWSER_FILEAPI_QUOTA_QUOTA_BACKEND_IMPL_H_ | |
7 | |
8 #include "base/memory/ref_counted.h" | |
9 #include "base/memory/weak_ptr.h" | |
10 #include "webkit/browser/fileapi/quota/quota_reservation_manager.h" | |
11 #include "webkit/browser/fileapi/sandbox_file_system_backend_delegate.h" | |
12 #include "webkit/browser/storage_browser_export.h" | |
13 #include "webkit/common/quota/quota_status_code.h" | |
14 | |
15 namespace base { | |
16 class SequencedTaskRunner; | |
17 } | |
18 | |
19 namespace content { | |
20 class QuotaBackendImplTest; | |
21 } | |
22 | |
23 namespace storage { | |
24 class QuotaManagerProxy; | |
25 } | |
26 | |
27 namespace storage { | |
28 | |
29 class FileSystemUsageCache; | |
30 class ObfuscatedFileUtil; | |
31 | |
32 // An instance of this class is owned by QuotaReservationManager. | |
33 class STORAGE_EXPORT QuotaBackendImpl | |
34 : public QuotaReservationManager::QuotaBackend { | |
35 public: | |
36 typedef QuotaReservationManager::ReserveQuotaCallback | |
37 ReserveQuotaCallback; | |
38 | |
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 virtual ~QuotaBackendImpl(); | |
44 | |
45 // QuotaReservationManager::QuotaBackend overrides. | |
46 virtual void ReserveQuota( | |
47 const GURL& origin, | |
48 FileSystemType type, | |
49 int64 delta, | |
50 const ReserveQuotaCallback& callback) OVERRIDE; | |
51 virtual void ReleaseReservedQuota( | |
52 const GURL& origin, | |
53 FileSystemType type, | |
54 int64 size) OVERRIDE; | |
55 virtual void CommitQuotaUsage( | |
56 const GURL& origin, | |
57 FileSystemType type, | |
58 int64 delta) OVERRIDE; | |
59 virtual void IncrementDirtyCount( | |
60 const GURL& origin, | |
61 FileSystemType type) OVERRIDE; | |
62 virtual void DecrementDirtyCount( | |
63 const GURL& origin, | |
64 FileSystemType type) OVERRIDE; | |
65 | |
66 private: | |
67 friend class content::QuotaBackendImplTest; | |
68 | |
69 struct QuotaReservationInfo { | |
70 QuotaReservationInfo(const GURL& origin, FileSystemType type, int64 delta); | |
71 ~QuotaReservationInfo(); | |
72 | |
73 GURL origin; | |
74 FileSystemType type; | |
75 int64 delta; | |
76 }; | |
77 | |
78 void DidGetUsageAndQuotaForReserveQuota(const QuotaReservationInfo& info, | |
79 const ReserveQuotaCallback& callback, | |
80 storage::QuotaStatusCode status, | |
81 int64 usage, | |
82 int64 quota); | |
83 | |
84 void ReserveQuotaInternal( | |
85 const QuotaReservationInfo& info); | |
86 base::File::Error GetUsageCachePath( | |
87 const GURL& origin, | |
88 FileSystemType type, | |
89 base::FilePath* usage_file_path); | |
90 | |
91 scoped_refptr<base::SequencedTaskRunner> file_task_runner_; | |
92 | |
93 // Owned by SandboxFileSystemBackendDelegate. | |
94 ObfuscatedFileUtil* obfuscated_file_util_; | |
95 FileSystemUsageCache* file_system_usage_cache_; | |
96 | |
97 scoped_refptr<storage::QuotaManagerProxy> quota_manager_proxy_; | |
98 | |
99 base::WeakPtrFactory<QuotaBackendImpl> weak_ptr_factory_; | |
100 | |
101 DISALLOW_COPY_AND_ASSIGN(QuotaBackendImpl); | |
102 }; | |
103 | |
104 } // namespace storage | |
105 | |
106 #endif // WEBKIT_BROWSER_FILEAPI_QUOTA_QUOTA_BACKEND_IMPL_H_ | |
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