Index: chrome/browser/chromeos/drive/event_logger.h |
diff --git a/chrome/browser/chromeos/drive/event_logger.h b/chrome/browser/chromeos/drive/event_logger.h |
new file mode 100644 |
index 0000000000000000000000000000000000000000..da0fea1f5b180d4db03722b509a53d7cff351bee |
--- /dev/null |
+++ b/chrome/browser/chromeos/drive/event_logger.h |
@@ -0,0 +1,43 @@ |
+// 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 CHROME_BROWSER_CHROMEOS_DRIVE_EVENT_LOGGER_H_ |
+#define CHROME_BROWSER_CHROMEOS_DRIVE_EVENT_LOGGER_H_ |
+ |
+#include <string> |
+#include <deque> |
+ |
+#include "base/basictypes.h" |
+#include "base/time.h" |
+ |
+namespace drive { |
+ |
+class EventLogger { |
satorux1
2012/11/14 05:55:11
Class comment is missing.
kinaba
2012/11/14 06:19:52
Done.
|
+ public: |
+ struct Event { |
+ explicit Event(const std::string& what); |
+ base::Time when; |
+ std::string what; |
+ }; |
+ |
+ // Creates an event logger that keeps the latest |history_size| events. |
+ explicit EventLogger(size_t history_size); |
+ ~EventLogger(); |
+ |
+ // Logs a message. |
+ void Log(const std::string& what); |
+ |
+ // Gets the list of latest events (the oldest event comes first). |
+ const std::deque<Event>& history() const { return history_; } |
+ |
+ private: |
+ std::deque<Event> history_; |
+ const size_t history_size_; |
+ |
+ DISALLOW_COPY_AND_ASSIGN(EventLogger); |
+}; |
+ |
+} // namespace drive |
+ |
+#endif // CHROME_BROWSER_CHROMEOS_DRIVE_EVENT_LOGGER_H_ |