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 CONTENT_BROWSER_DEVTOOLS_DEVTOOLS_TRACING_HANDLER_H_ 6 #define CONTENT_BROWSER_DEVTOOLS_DEVTOOLS_TRACING_HANDLER_H_ 7 8 #include <set> 9 #include <string> 10 11 #include "base/debug/trace_event.h" 12 #include "base/memory/weak_ptr.h" 13 #include "content/browser/devtools/devtools_protocol.h" 14 #include "content/public/browser/tracing_controller.h" 15 16 namespace base { 17 class RefCountedString; 18 class Timer; 19 } 20 21 namespace content { 22 23 // This class bridges DevTools remote debugging server with the trace 24 // infrastructure. 25 class DevToolsTracingHandler : public DevToolsProtocol::Handler { 26 public: 27 enum Target { Browser, Renderer }; 28 explicit DevToolsTracingHandler(Target target); 29 virtual ~DevToolsTracingHandler(); 30 31 void OnClientDetached(); 32 33 void OnTraceDataCollected(const std::string& trace_fragment); 34 void OnTraceComplete(); 35 36 private: 37 void OnRecordingEnabled(scoped_refptr<DevToolsProtocol::Command> command); 38 void OnBufferUsage(float usage); 39 40 scoped_refptr<DevToolsProtocol::Response> OnStart( 41 scoped_refptr<DevToolsProtocol::Command> command); 42 scoped_refptr<DevToolsProtocol::Response> OnEnd( 43 scoped_refptr<DevToolsProtocol::Command> command); 44 45 scoped_refptr<DevToolsProtocol::Response> OnGetCategories( 46 scoped_refptr<DevToolsProtocol::Command> command); 47 48 void OnCategoriesReceived(scoped_refptr<DevToolsProtocol::Command> command, 49 const std::set<std::string>& category_set); 50 51 base::debug::TraceOptions TraceOptionsFromString(const std::string& options); 52 53 void SetupTimer(double usage_reporting_interval); 54 55 void DisableRecording(bool abort); 56 57 scoped_ptr<base::Timer> buffer_usage_poll_timer_; 58 Target target_; 59 bool is_recording_; 60 61 static const char* kDefaultCategories; 62 static const double kDefaultReportingInterval; 63 static const double kMinimumReportingInterval; 64 65 base::WeakPtrFactory<DevToolsTracingHandler> weak_factory_; 66 67 DISALLOW_COPY_AND_ASSIGN(DevToolsTracingHandler); 68 }; 69 70 } // namespace content 71 72 #endif // CONTENT_BROWSER_DEVTOOLS_DEVTOOLS_TRACING_HANDLER_H_ 73
