1 // Copyright 2014 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 EXTENSIONS_RENDERER_API_ACTIVITY_LOGGER_H_ 6 #define EXTENSIONS_RENDERER_API_ACTIVITY_LOGGER_H_ 7 8 #include <string> 9 10 #include "extensions/common/features/feature.h" 11 #include "extensions/renderer/object_backed_native_handler.h" 12 #include "v8/include/v8.h" 13 14 namespace extensions { 15 16 // Used to log extension API calls and events that are implemented with custom 17 // bindings.The actions are sent via IPC to extensions::ActivityLog for 18 // recording and display. 19 class APIActivityLogger : public ObjectBackedNativeHandler { 20 public: 21 explicit APIActivityLogger(ScriptContext* context); 22 23 private: 24 // Used to distinguish API calls & events from each other in LogInternal. 25 enum CallType { APICALL, EVENT }; 26 27 // This is ultimately invoked in bindings.js with JavaScript arguments. 28 // arg0 - extension ID as a string 29 // arg1 - API call name as a string 30 // arg2 - arguments to the API call 31 // arg3 - any extra logging info as a string (optional) 32 static void LogAPICall(const v8::FunctionCallbackInfo<v8::Value>& args); 33 34 // This is ultimately invoked in bindings.js with JavaScript arguments. 35 // arg0 - extension ID as a string 36 // arg1 - Event name as a string 37 // arg2 - Event arguments 38 // arg3 - any extra logging info as a string (optional) 39 static void LogEvent(const v8::FunctionCallbackInfo<v8::Value>& args); 40 41 // LogAPICall and LogEvent are really the same underneath except for 42 // how they are ultimately dispatched to the log. 43 static void LogInternal(const CallType call_type, 44 const v8::FunctionCallbackInfo<v8::Value>& args); 45 46 DISALLOW_COPY_AND_ASSIGN(APIActivityLogger); 47 }; 48 49 } // namespace extensions 50 51 #endif // EXTENSIONS_RENDERER_API_ACTIVITY_LOGGER_H_ 52