| // Copyright 2016 Google Inc. All Rights Reserved. |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| #ifndef COBALT_BROWSER_TRACE_MANAGER_H_ |
| #define COBALT_BROWSER_TRACE_MANAGER_H_ |
| |
| #include <map> |
| #include <string> |
| |
| #include "base/threading/thread_checker.h" |
| #include "cobalt/base/console_commands.h" |
| #include "cobalt/trace_event/event_parser.h" |
| #include "cobalt/trace_event/scoped_trace_to_file.h" |
| |
| namespace cobalt { |
| namespace browser { |
| |
| // Wrapper class which wraps all trace related stuff. |
| class TraceManager { |
| public: |
| // Returns whether there's a trace that is active. |
| static bool IsTracing(); |
| |
| TraceManager(); |
| |
| // Called by browser module when a key event is produced. |
| void OnKeyEventProduced(); |
| |
| // Message handler callback for trace message from debug console. |
| void OnTraceMessage(const std::string& message); |
| |
| // Message handler callback for key trace message from debug console. |
| void OnKeyTraceMessage(const std::string& message); |
| |
| // Called when receiving and finishing receiving parsed trace events. |
| void OnReceiveTraceEvent( |
| const scoped_refptr<trace_event::EventParser::ScopedEvent>& event); |
| void OnFinishReceiveTraceEvent(); |
| |
| private: |
| typedef std::multimap<int64, |
| scoped_refptr<trace_event::EventParser::ScopedEvent> > |
| StartTimeToEventMap; |
| |
| // The message loop on which we'll do all our work. |
| MessageLoop* const self_message_loop_; |
| |
| // Command handler object for trace command from the debug console. |
| base::ConsoleCommandManager::CommandHandler trace_command_handler_; |
| // Command handler object for key trace command from the debug console. |
| base::ConsoleCommandManager::CommandHandler key_trace_command_handler_; |
| // Whether key tracing is enabled. |
| bool key_tracing_enabled_; |
| |
| base::ThreadChecker thread_checker_; |
| // This object can be set to start a trace if a hotkey (like F3) is pressed. |
| // While initialized, it means that a trace is on-going. |
| scoped_ptr<trace_event::ScopedTraceToFile> trace_to_file_; |
| // Record of a list of events we're interested in, ordered by starting time. |
| StartTimeToEventMap start_time_to_event_map_; |
| }; |
| |
| } // namespace browser |
| } // namespace cobalt |
| |
| #endif // COBALT_BROWSER_TRACE_MANAGER_H_ |