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
14namespace 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.
19class 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