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1 // Copyright (c) 2012 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_SANDBOX_QUOTA_OBSERVER_H_ | 5 #include "storage/browser/fileapi/sandbox_quota_observer.h" |
6 #define WEBKIT_BROWSER_FILEAPI_SANDBOX_QUOTA_OBSERVER_H_ | |
7 | |
8 #include <map> | |
9 | |
10 #include "base/basictypes.h" | |
11 #include "base/compiler_specific.h" | |
12 #include "base/files/file_path.h" | |
13 #include "base/memory/ref_counted.h" | |
14 #include "base/memory/scoped_ptr.h" | |
15 #include "base/memory/weak_ptr.h" | |
16 #include "webkit/browser/fileapi/file_observers.h" | |
17 #include "webkit/browser/fileapi/file_system_url.h" | |
18 | |
19 namespace base { | |
20 class SequencedTaskRunner; | |
21 } | |
22 | |
23 namespace storage { | |
24 class QuotaManagerProxy; | |
25 } | |
26 | |
27 namespace storage { | |
28 | |
29 class FileSystemUsageCache; | |
30 class FileSystemURL; | |
31 class TimedTaskHelper; | |
32 class ObfuscatedFileUtil; | |
33 | |
34 class SandboxQuotaObserver | |
35 : public FileUpdateObserver, | |
36 public FileAccessObserver { | |
37 public: | |
38 typedef std::map<base::FilePath, int64> PendingUpdateNotificationMap; | |
39 | |
40 SandboxQuotaObserver(storage::QuotaManagerProxy* quota_manager_proxy, | |
41 base::SequencedTaskRunner* update_notify_runner, | |
42 ObfuscatedFileUtil* sandbox_file_util, | |
43 FileSystemUsageCache* file_system_usage_cache_); | |
44 virtual ~SandboxQuotaObserver(); | |
45 | |
46 // FileUpdateObserver overrides. | |
47 virtual void OnStartUpdate(const FileSystemURL& url) OVERRIDE; | |
48 virtual void OnUpdate(const FileSystemURL& url, int64 delta) OVERRIDE; | |
49 virtual void OnEndUpdate(const FileSystemURL& url) OVERRIDE; | |
50 | |
51 // FileAccessObserver overrides. | |
52 virtual void OnAccess(const FileSystemURL& url) OVERRIDE; | |
53 | |
54 void SetUsageCacheEnabled(const GURL& origin, | |
55 FileSystemType type, | |
56 bool enabled); | |
57 | |
58 private: | |
59 void ApplyPendingUsageUpdate(); | |
60 void UpdateUsageCacheFile(const base::FilePath& usage_file_path, int64 delta); | |
61 | |
62 base::FilePath GetUsageCachePath(const FileSystemURL& url); | |
63 | |
64 scoped_refptr<storage::QuotaManagerProxy> quota_manager_proxy_; | |
65 scoped_refptr<base::SequencedTaskRunner> update_notify_runner_; | |
66 | |
67 // Not owned; sandbox_file_util_ should have identical lifetime with this. | |
68 ObfuscatedFileUtil* sandbox_file_util_; | |
69 | |
70 // Not owned; file_system_usage_cache_ should have longer lifetime than this. | |
71 FileSystemUsageCache* file_system_usage_cache_; | |
72 | |
73 PendingUpdateNotificationMap pending_update_notification_; | |
74 scoped_ptr<TimedTaskHelper> delayed_cache_update_helper_; | |
75 | |
76 DISALLOW_COPY_AND_ASSIGN(SandboxQuotaObserver); | |
77 }; | |
78 | |
79 } // namespace storage | |
80 | |
81 #endif // WEBKIT_BROWSER_FILEAPI_SANDBOX_QUOTA_OBSERVER_H_ | |
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