| // 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_PERFORMANCE_MONITOR_EVENT_H_ |
| #define CHROME_BROWSER_PERFORMANCE_MONITOR_EVENT_H_ |
| |
| #include "base/memory/scoped_ptr.h" |
| #include "base/time/time.h" |
| #include "base/values.h" |
| |
| #include "chrome/browser/performance_monitor/event_type.h" |
| |
| namespace performance_monitor { |
| |
| const char* EventTypeToString(EventType event_type); |
| |
| // The wrapper class for the JSON-generated event classes for the performance |
| // monitor. This class is used so we can pass around events in a single class, |
| // rather than having a variety of different types (since JSON does not |
| // currently support inheritance). Since the class will occasionally need to |
| // be compared against other events, we construct it with type and time. Other |
| // information should not be needed commonly, and is stored in a JSON-generated |
| // DictionaryValue. |
| class Event { |
| public: |
| Event(const EventType& type, |
| const base::Time& time, |
| scoped_ptr<base::DictionaryValue> data); |
| virtual ~Event(); |
| |
| // Construct an event from the given DictionaryValue; takes ownership of |
| // |data|. |
| static scoped_ptr<Event> FromValue(scoped_ptr<base::DictionaryValue> data); |
| |
| // Accessors |
| EventType type() const { return type_; } |
| base::Time time() const { return time_; } |
| base::DictionaryValue* data() const { return data_.get(); } |
| |
| private: |
| |
| // The type of the event. |
| EventType type_; |
| // The time at which the event was recorded. |
| base::Time time_; |
| // The full JSON-generated value representing the information of the event; |
| // these data are described in chrome/browser/performance_monitor/events.json. |
| scoped_ptr<base::DictionaryValue> data_; |
| }; |
| |
| } // namespace performance_monitor |
| |
| #endif // CHROME_BROWSER_PERFORMANCE_MONITOR_EVENT_H_ |