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_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 19namespace base { 20class SequencedTaskRunner; 21} 22 23namespace quota { 24class QuotaManagerProxy; 25} 26 27namespace fileapi { 28 29class FileSystemUsageCache; 30class FileSystemURL; 31class TimedTaskHelper; 32class ObfuscatedFileUtil; 33 34class SandboxQuotaObserver 35 : public FileUpdateObserver, 36 public FileAccessObserver { 37 public: 38 typedef std::map<base::FilePath, int64> PendingUpdateNotificationMap; 39 40 SandboxQuotaObserver( 41 quota::QuotaManagerProxy* quota_manager_proxy, 42 base::SequencedTaskRunner* update_notify_runner, 43 ObfuscatedFileUtil* sandbox_file_util, 44 FileSystemUsageCache* file_system_usage_cache_); 45 virtual ~SandboxQuotaObserver(); 46 47 // FileUpdateObserver overrides. 48 virtual void OnStartUpdate(const FileSystemURL& url) OVERRIDE; 49 virtual void OnUpdate(const FileSystemURL& url, int64 delta) OVERRIDE; 50 virtual void OnEndUpdate(const FileSystemURL& url) OVERRIDE; 51 52 // FileAccessObserver overrides. 53 virtual void OnAccess(const FileSystemURL& url) OVERRIDE; 54 55 void SetUsageCacheEnabled(const GURL& origin, 56 FileSystemType type, 57 bool enabled); 58 59 private: 60 void ApplyPendingUsageUpdate(); 61 void UpdateUsageCacheFile(const base::FilePath& usage_file_path, int64 delta); 62 63 base::FilePath GetUsageCachePath(const FileSystemURL& url); 64 65 scoped_refptr<quota::QuotaManagerProxy> quota_manager_proxy_; 66 scoped_refptr<base::SequencedTaskRunner> update_notify_runner_; 67 68 // Not owned; sandbox_file_util_ should have identical lifetime with this. 69 ObfuscatedFileUtil* sandbox_file_util_; 70 71 // Not owned; file_system_usage_cache_ should have longer lifetime than this. 72 FileSystemUsageCache* file_system_usage_cache_; 73 74 PendingUpdateNotificationMap pending_update_notification_; 75 scoped_ptr<TimedTaskHelper> delayed_cache_update_helper_; 76 77 DISALLOW_COPY_AND_ASSIGN(SandboxQuotaObserver); 78}; 79 80} // namespace fileapi 81 82#endif // WEBKIT_BROWSER_FILEAPI_SANDBOX_QUOTA_OBSERVER_H_ 83