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| 1 // Copyright (c) 2012 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. | |
| 4 | |
| 5 #ifndef WEBKIT_FILEAPI_SANDBOX_QUOTA_OBSERVER_H_ | |
| 6 #define WEBKIT_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/fileapi/file_observers.h" | |
| 17 #include "webkit/fileapi/file_system_url.h" | |
| 18 | |
| 19 namespace base { | |
| 20 class SequencedTaskRunner; | |
| 21 } | |
| 22 | |
| 23 namespace quota { | |
| 24 class QuotaManagerProxy; | |
| 25 } | |
| 26 | |
| 27 namespace fileapi { | |
| 28 | |
| 29 class FileSystemUsageCache; | |
| 30 class FileSystemURL; | |
| 31 class ObfuscatedFileUtil; | |
| 32 | |
| 33 class SandboxQuotaObserver | |
| 34 : public FileUpdateObserver, | |
| 35 public FileAccessObserver { | |
| 36 public: | |
| 37 typedef std::map<base::FilePath, int64> PendingUpdateNotificationMap; | |
| 38 | |
| 39 SandboxQuotaObserver( | |
| 40 quota::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<quota::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 bool running_delayed_cache_update_; | |
| 75 | |
| 76 base::WeakPtrFactory<SandboxQuotaObserver> weak_factory_; | |
| 77 | |
| 78 DISALLOW_COPY_AND_ASSIGN(SandboxQuotaObserver); | |
| 79 }; | |
| 80 | |
| 81 } // namespace fileapi | |
| 82 | |
| 83 #endif // WEBKIT_FILEAPI_SANDBOX_QUOTA_OBSERVER_H_ | |
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