| // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef STORAGE_BROWSER_FILEAPI_SANDBOX_QUOTA_OBSERVER_H_ |
| #define STORAGE_BROWSER_FILEAPI_SANDBOX_QUOTA_OBSERVER_H_ |
| |
| #include <map> |
| |
| #include "base/basictypes.h" |
| #include "base/compiler_specific.h" |
| #include "base/files/file_path.h" |
| #include "base/memory/ref_counted.h" |
| #include "base/memory/scoped_ptr.h" |
| #include "base/memory/weak_ptr.h" |
| #include "storage/browser/fileapi/file_observers.h" |
| #include "storage/browser/fileapi/file_system_url.h" |
| |
| namespace base { |
| class SequencedTaskRunner; |
| } |
| |
| namespace storage { |
| class QuotaManagerProxy; |
| } |
| |
| namespace storage { |
| |
| class FileSystemUsageCache; |
| class FileSystemURL; |
| class TimedTaskHelper; |
| class ObfuscatedFileUtil; |
| |
| class SandboxQuotaObserver |
| : public FileUpdateObserver, |
| public FileAccessObserver { |
| public: |
| typedef std::map<base::FilePath, int64> PendingUpdateNotificationMap; |
| |
| SandboxQuotaObserver(storage::QuotaManagerProxy* quota_manager_proxy, |
| base::SequencedTaskRunner* update_notify_runner, |
| ObfuscatedFileUtil* sandbox_file_util, |
| FileSystemUsageCache* file_system_usage_cache_); |
| ~SandboxQuotaObserver() override; |
| |
| // FileUpdateObserver overrides. |
| void OnStartUpdate(const FileSystemURL& url) override; |
| void OnUpdate(const FileSystemURL& url, int64 delta) override; |
| void OnEndUpdate(const FileSystemURL& url) override; |
| |
| // FileAccessObserver overrides. |
| void OnAccess(const FileSystemURL& url) override; |
| |
| void SetUsageCacheEnabled(const GURL& origin, |
| FileSystemType type, |
| bool enabled); |
| |
| private: |
| void ApplyPendingUsageUpdate(); |
| void UpdateUsageCacheFile(const base::FilePath& usage_file_path, int64 delta); |
| |
| base::FilePath GetUsageCachePath(const FileSystemURL& url); |
| |
| scoped_refptr<storage::QuotaManagerProxy> quota_manager_proxy_; |
| scoped_refptr<base::SequencedTaskRunner> update_notify_runner_; |
| |
| // Not owned; sandbox_file_util_ should have identical lifetime with this. |
| ObfuscatedFileUtil* sandbox_file_util_; |
| |
| // Not owned; file_system_usage_cache_ should have longer lifetime than this. |
| FileSystemUsageCache* file_system_usage_cache_; |
| |
| PendingUpdateNotificationMap pending_update_notification_; |
| scoped_ptr<TimedTaskHelper> delayed_cache_update_helper_; |
| |
| DISALLOW_COPY_AND_ASSIGN(SandboxQuotaObserver); |
| }; |
| |
| } // namespace storage |
| |
| #endif // STORAGE_BROWSER_FILEAPI_SANDBOX_QUOTA_OBSERVER_H_ |