api_activity_logger.cc revision 010d83a9304c5a91596085d917d248abff47903a 
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#include <string>
6
7#include "base/bind.h"
8#include "content/public/renderer/render_thread.h"
9#include "content/public/renderer/v8_value_converter.h"
10#include "extensions/common/extension_messages.h"
11#include "extensions/renderer/activity_log_converter_strategy.h"
12#include "extensions/renderer/api_activity_logger.h"
13#include "extensions/renderer/script_context.h"
14
15using content::V8ValueConverter;
16
17namespace extensions {
18
19APIActivityLogger::APIActivityLogger(ScriptContext* context)
20    : ObjectBackedNativeHandler(context) {
21  RouteFunction("LogEvent", base::Bind(&APIActivityLogger::LogEvent));
22  RouteFunction("LogAPICall", base::Bind(&APIActivityLogger::LogAPICall));
23}
24
25// static
26void APIActivityLogger::LogAPICall(
27    const v8::FunctionCallbackInfo<v8::Value>& args) {
28  LogInternal(APICALL, args);
29}
30
31// static
32void APIActivityLogger::LogEvent(
33    const v8::FunctionCallbackInfo<v8::Value>& args) {
34  LogInternal(EVENT, args);
35}
36
37// static
38void APIActivityLogger::LogInternal(
39    const CallType call_type,
40    const v8::FunctionCallbackInfo<v8::Value>& args) {
41  DCHECK_GT(args.Length(), 2);
42  DCHECK(args[0]->IsString());
43  DCHECK(args[1]->IsString());
44  DCHECK(args[2]->IsArray());
45
46  std::string ext_id = *v8::String::Utf8Value(args[0]);
47  ExtensionHostMsg_APIActionOrEvent_Params params;
48  params.api_call = *v8::String::Utf8Value(args[1]);
49  if (args.Length() == 4)  // Extras are optional.
50    params.extra = *v8::String::Utf8Value(args[3]);
51  else
52    params.extra = "";
53
54  // Get the array of api call arguments.
55  v8::Local<v8::Array> arg_array = v8::Local<v8::Array>::Cast(args[2]);
56  if (arg_array->Length() > 0) {
57    scoped_ptr<V8ValueConverter> converter(V8ValueConverter::create());
58    ActivityLogConverterStrategy strategy;
59    converter->SetFunctionAllowed(true);
60    converter->SetStrategy(&strategy);
61    scoped_ptr<base::ListValue> arg_list(new base::ListValue());
62    for (size_t i = 0; i < arg_array->Length(); ++i) {
63      arg_list->Set(
64          i,
65          converter->FromV8Value(arg_array->Get(i),
66                                 args.GetIsolate()->GetCurrentContext()));
67    }
68    params.arguments.Swap(arg_list.get());
69  }
70
71  if (call_type == APICALL) {
72    content::RenderThread::Get()->Send(
73        new ExtensionHostMsg_AddAPIActionToActivityLog(ext_id, params));
74  } else if (call_type == EVENT) {
75    content::RenderThread::Get()->Send(
76        new ExtensionHostMsg_AddEventToActivityLog(ext_id, params));
77  }
78}
79
80}  // namespace extensions
81