1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #ifndef CHROME_BROWSER_PERFORMANCE_MONITOR_EVENT_H_ 6 #define CHROME_BROWSER_PERFORMANCE_MONITOR_EVENT_H_ 7 8 #include "base/memory/scoped_ptr.h" 9 #include "base/time/time.h" 10 #include "base/values.h" 11 12 namespace performance_monitor { 13 14 // IMPORTANT: To add new events, please 15 // - Place the new event above EVENT_NUMBER_OF_EVENTS. 16 // - Add a member to the EventKeyChar enum in key_builder.cc. 17 // - Add the appropriate messages in generated_resources.grd. 18 // - Add the appropriate functions in 19 // chrome/browser/ui/webui/performance_monitor/performance_monitor_l10n.h. 20 enum EventType { 21 EVENT_UNDEFINED, 22 23 // Extension-Related events 24 EVENT_EXTENSION_INSTALL, 25 EVENT_EXTENSION_UNINSTALL, 26 EVENT_EXTENSION_UPDATE, 27 EVENT_EXTENSION_ENABLE, 28 EVENT_EXTENSION_DISABLE, 29 30 // Chrome's version has changed. 31 EVENT_CHROME_UPDATE, 32 33 // Renderer-Failure related events; these correspond to the RENDERER_HANG 34 // event, and the two termination statuses ABNORMAL_EXIT and PROCESS_KILLED, 35 // respectively. 36 EVENT_RENDERER_HANG, 37 EVENT_RENDERER_CRASH, 38 EVENT_RENDERER_KILLED, 39 40 // Chrome did not shut down correctly. 41 EVENT_UNCLEAN_EXIT, 42 43 EVENT_NUMBER_OF_EVENTS 44 }; 45 46 const char* EventTypeToString(EventType event_type); 47 48 // The wrapper class for the JSON-generated event classes for the performance 49 // monitor. This class is used so we can pass around events in a single class, 50 // rather than having a variety of different types (since JSON does not 51 // currently support inheritance). Since the class will occasionally need to 52 // be compared against other events, we construct it with type and time. Other 53 // information should not be needed commonly, and is stored in a JSON-generated 54 // DictionaryValue. 55 class Event { 56 public: 57 Event(const EventType& type, 58 const base::Time& time, 59 scoped_ptr<base::DictionaryValue> data); 60 virtual ~Event(); 61 62 // Construct an event from the given DictionaryValue; takes ownership of 63 // |data|. 64 static scoped_ptr<Event> FromValue(scoped_ptr<base::DictionaryValue> data); 65 66 // Accessors 67 EventType type() const { return type_; } 68 base::Time time() const { return time_; } 69 base::DictionaryValue* data() const { return data_.get(); } 70 71 private: 72 73 // The type of the event. 74 EventType type_; 75 // The time at which the event was recorded. 76 base::Time time_; 77 // The full JSON-generated value representing the information of the event; 78 // these data are described in chrome/browser/performance_monitor/events.json. 79 scoped_ptr<base::DictionaryValue> data_; 80 }; 81 82 } // namespace performance_monitor 83 84 #endif // CHROME_BROWSER_PERFORMANCE_MONITOR_EVENT_H_ 85
