1 // Copyright (c) 2013 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_TEST_CHROMEDRIVER_CHROME_PERFORMANCE_LOGGER_H_ 6 #define CHROME_TEST_CHROMEDRIVER_CHROME_PERFORMANCE_LOGGER_H_ 7 8 #include "base/basictypes.h" 9 #include "base/compiler_specific.h" 10 #include "chrome/test/chromedriver/chrome/devtools_event_listener.h" 11 12 class Log; 13 14 // Translates DevTools profiler events into Log messages with info level. 15 // 16 // The message is a JSON string of the following structure: 17 // { 18 // "webview": <originating WebView ID>, 19 // "message": { "method": "...", "params": { ... }} // DevTools message. 20 // } 21 class PerformanceLogger : public DevToolsEventListener { 22 public: 23 // Creates a PerformanceLogger that creates entries in the given Log object. 24 // The log is owned elsewhere and must not be null. 25 explicit PerformanceLogger(Log* log); 26 27 // Enables Page,Network,Timeline events for client, which must not be null. 28 virtual Status OnConnected(DevToolsClient* client) OVERRIDE; 29 // Translates an event into a log entry. 30 virtual Status OnEvent(DevToolsClient* client, 31 const std::string& method, 32 const base::DictionaryValue& params) OVERRIDE; 33 34 private: 35 Log* log_; // The log where to create entries. 36 37 DISALLOW_COPY_AND_ASSIGN(PerformanceLogger); 38 }; 39 40 #endif // CHROME_TEST_CHROMEDRIVER_CHROME_PERFORMANCE_LOGGER_H_ 41