// 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_