extensions/renderer/dom_activity_logger.cc

   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 "extensions/renderer/dom_activity_logger.h"
   6
   7 #include "content/public/child/v8_value_converter.h"
   8 #include "content/public/renderer/render_thread.h"
   9 #include "extensions/common/dom_action_types.h"
  10 #include "extensions/common/extension_messages.h"
  11 #include "extensions/renderer/activity_log_converter_strategy.h"
  12 #include "third_party/WebKit/public/platform/WebString.h"
  13 #include "third_party/WebKit/public/platform/WebURL.h"
  14
  15 using content::V8ValueConverter;
  16 using blink::WebString;
  17 using blink::WebURL;
  18
  19 namespace extensions {
  20
  21 namespace {
  22
  23 // Converts the given |v8_value| and appends it to the given |list|, if the
  24 // conversion succeeds.
  25 void AppendV8Value(const std::string& api_name,
  26                    const v8::Local<v8::Value>& v8_value,
  27                    base::ListValue* list) {
  28   DCHECK(list);
  29   scoped_ptr<V8ValueConverter> converter(V8ValueConverter::create());
  30   ActivityLogConverterStrategy strategy;
  31   converter->SetFunctionAllowed(true);
  32   converter->SetStrategy(&strategy);
  33   scoped_ptr<base::Value> value(converter->FromV8Value(
  34       v8_value, v8::Isolate::GetCurrent()->GetCurrentContext()));
  35
  36   if (value.get())
  37     list->Append(value.release());
  38 }
  39
  40 }  // namespace
  41
  42 DOMActivityLogger::DOMActivityLogger(const std::string& extension_id)
  43     : extension_id_(extension_id) {
  44 }
  45
  46 DOMActivityLogger::~DOMActivityLogger() {}
  47
  48 void DOMActivityLogger::AttachToWorld(int world_id,
  49                                       const std::string& extension_id) {
  50   // If there is no logger registered for world_id, construct a new logger
  51   // and register it with world_id.
  52   if (!blink::hasDOMActivityLogger(world_id,
  53                                    WebString::fromUTF8(extension_id))) {
  54     DOMActivityLogger* logger = new DOMActivityLogger(extension_id);
  55     blink::setDOMActivityLogger(world_id,
  56                                 WebString::fromUTF8(extension_id),
  57                                 logger);
  58   }
  59 }
  60
  61 void DOMActivityLogger::logGetter(const WebString& api_name,
  62                                   const WebURL& url,
  63                                   const WebString& title) {
  64   SendDomActionMessage(api_name.utf8(),
  65                        url,
  66                        title,
  67                        DomActionType::GETTER,
  68                        scoped_ptr<base::ListValue>(new base::ListValue()));
  69 }
  70
  71 void DOMActivityLogger::logSetter(const WebString& api_name,
  72                                   const v8::Local<v8::Value>& new_value,
  73                                   const WebURL& url,
  74                                   const WebString& title) {
  75   logSetter(api_name, new_value, v8::Local<v8::Value>(), url, title);
  76 }
  77
  78 void DOMActivityLogger::logSetter(const WebString& api_name,
  79                                   const v8::Local<v8::Value>& new_value,
  80                                   const v8::Local<v8::Value>& old_value,
  81                                   const WebURL& url,
  82                                   const WebString& title) {
  83   scoped_ptr<base::ListValue> args(new base::ListValue);
  84   std::string api_name_utf8 = api_name.utf8();
  85   AppendV8Value(api_name_utf8, new_value, args.get());
  86   if (!old_value.IsEmpty())
  87     AppendV8Value(api_name_utf8, old_value, args.get());
  88   SendDomActionMessage(
  89       api_name_utf8, url, title, DomActionType::SETTER, args.Pass());
  90 }
  91
  92 void DOMActivityLogger::logMethod(const WebString& api_name,
  93                                   int argc,
  94                                   const v8::Local<v8::Value>* argv,
  95                                   const WebURL& url,
  96                                   const WebString& title) {
  97   scoped_ptr<base::ListValue> args(new base::ListValue);
  98   std::string api_name_utf8 = api_name.utf8();
  99   for (int i = 0; i < argc; ++i)
 100     AppendV8Value(api_name_utf8, argv[i], args.get());
 101   SendDomActionMessage(
 102       api_name_utf8, url, title, DomActionType::METHOD, args.Pass());
 103 }
 104
 105 void DOMActivityLogger::logEvent(const WebString& event_name,
 106                                  int argc,
 107                                  const WebString* argv,
 108                                  const WebURL& url,
 109                                  const WebString& title) {
 110   scoped_ptr<base::ListValue> args(new base::ListValue);
 111   std::string event_name_utf8 = event_name.utf8();
 112   for (int i = 0; i < argc; ++i)
 113     args->Append(new base::StringValue(argv[i]));
 114   SendDomActionMessage(
 115       event_name_utf8, url, title, DomActionType::METHOD, args.Pass());
 116 }
 117
 118 void DOMActivityLogger::SendDomActionMessage(const std::string& api_call,
 119                                              const GURL& url,
 120                                              const base::string16& url_title,
 121                                              DomActionType::Type call_type,
 122                                              scoped_ptr<base::ListValue> args) {
 123   ExtensionHostMsg_DOMAction_Params params;
 124   params.api_call = api_call;
 125   params.url = url;
 126   params.url_title = url_title;
 127   params.call_type = call_type;
 128   params.arguments.Swap(args.get());
 129   content::RenderThread::Get()->Send(
 130       new ExtensionHostMsg_AddDOMActionToActivityLog(extension_id_, params));
 131 }
 132
 133 }  // namespace extensions