Index: webkit/fileapi/file_system_usage_tracker.h |
diff --git a/webkit/fileapi/file_system_usage_tracker.h b/webkit/fileapi/file_system_usage_tracker.h |
new file mode 100644 |
index 0000000000000000000000000000000000000000..10a5177d692a9f71ca15d1239596e69ee2e9b047 |
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+++ b/webkit/fileapi/file_system_usage_tracker.h |
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+// Copyright (c) 2011 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 WEBKIT_FILEAPI_FILE_SYSTEM_USAGE_TRACKER_H_ |
+#define WEBKIT_FILEAPI_FILE_SYSTEM_USAGE_TRACKER_H_ |
+ |
+#include <deque> |
+#include <list> |
+#include <map> |
+#include <string> |
+ |
+#include "base/basictypes.h" |
+#include "base/callback.h" |
+#include "base/file_path.h" |
+#include "base/ref_counted.h" |
+#include "webkit/fileapi/file_system_types.h" |
+ |
+class GURL; |
+ |
+namespace base { |
+class MessageLoopProxy; |
+} |
+ |
+namespace fileapi { |
+ |
+// Owned by the SandboxedFileSystemContext, which is a per-profile |
+// instance, and has the same lifetime as the SandboxedFileSystemContext. |
+// It's going to be created and destroyed on the IO thread in chrome. |
+// (The destruction on the same thread where it is created was guaranteed |
+// by its owner, SandboxedFileSystemContext.) |
+class FileSystemUsageTracker { |
+ public: |
+ FileSystemUsageTracker( |
+ scoped_refptr<base::MessageLoopProxy> file_message_loop, |
+ const FilePath& profile_path, |
+ bool is_incognito); |
+ ~FileSystemUsageTracker(); |
+ |
+ // Get the amount of data stored in the filesystem specified by |
+ // |origin_url| and |type|. |
+ typedef Callback1<int64 /* usage */>::Type GetUsageCallback; |
+ void GetOriginUsage(const GURL& origin_url, |
+ fileapi::FileSystemType type, |
+ GetUsageCallback* callback); |
+ |
+ private: |
+ class GetUsageTask; |
+ |
+ void RegisterUsageTask(GetUsageTask* task); |
+ void UnregisterUsageTask(GetUsageTask* task); |
+ |
+ void DidGetOriginUsage(const std::string& fs_name, int64 usage); |
+ |
+ scoped_refptr<base::MessageLoopProxy> file_message_loop_; |
+ FilePath base_path_; |
+ bool is_incognito_; |
+ |
+ typedef std::deque<GetUsageTask*> UsageTaskQueue; |
+ UsageTaskQueue running_usage_tasks_; |
+ |
+ typedef std::list<GetUsageCallback*> PendingCallbackList; |
+ typedef std::map<std::string, PendingCallbackList> PendingUsageCallbackMap; |
+ PendingUsageCallbackMap pending_usage_callbacks_; |
+ |
+ DISALLOW_COPY_AND_ASSIGN(FileSystemUsageTracker); |
+}; |
+ |
+} // namespace fileapi |
+ |
+#endif // WEBKIT_FILEAPI_FILE_SYSTEM_USAGE_TRACKER_H_ |