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      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_DOM_ACTIVITY_LOGGER_H_
      6 #define EXTENSIONS_RENDERER_DOM_ACTIVITY_LOGGER_H_
      7 
      8 #include <string>
      9 
     10 #include "base/macros.h"
     11 #include "extensions/common/dom_action_types.h"
     12 #include "third_party/WebKit/public/web/WebDOMActivityLogger.h"
     13 #include "v8/include/v8.h"
     14 
     15 namespace base {
     16 class ListValue;
     17 }
     18 
     19 namespace blink {
     20 class WebString;
     21 class WebURL;
     22 }
     23 
     24 namespace content {
     25 class V8ValueConverter;
     26 }
     27 
     28 namespace extensions {
     29 
     30 // Used to log DOM API calls from within WebKit. The events are sent via IPC to
     31 // extensions::ActivityLog for recording and display.
     32 class DOMActivityLogger: public blink::WebDOMActivityLogger {
     33  public:
     34   static const int kMainWorldId = 0;
     35   explicit DOMActivityLogger(const std::string& extension_id);
     36   virtual ~DOMActivityLogger();
     37 
     38   // Check (using the WebKit API) if there is no logger attached to the world
     39   // corresponding to world_id, and if so, construct a new logger and attach it.
     40   // world_id = 0 indicates the main world.
     41   static void AttachToWorld(int world_id,
     42                             const std::string& extension_id);
     43 
     44  private:
     45   // blink::WebDOMActivityLogger implementation.
     46   // Marshals the arguments into an ExtensionHostMsg_DOMAction_Params and sends
     47   // it over to the browser (via IPC) for appending it to the extension activity
     48   // log.
     49   // These methods don't have the OVERRIDE keyword due to the complexities it
     50   // introduces when changes blink apis.
     51   virtual void logGetter(const blink::WebString& api_name,
     52                          const blink::WebURL& url,
     53                          const blink::WebString& title);
     54   virtual void logSetter(const blink::WebString& api_name,
     55                          const v8::Handle<v8::Value>& new_value,
     56                          const blink::WebURL& url,
     57                          const blink::WebString& title);
     58   virtual void logSetter(const blink::WebString& api_name,
     59                          const v8::Handle<v8::Value>& new_value,
     60                          const v8::Handle<v8::Value>& old_value,
     61                          const blink::WebURL& url,
     62                          const blink::WebString& title);
     63   virtual void logMethod(const blink::WebString& api_name,
     64                          int argc,
     65                          const v8::Handle<v8::Value>* argv,
     66                          const blink::WebURL& url,
     67                          const blink::WebString& title);
     68   virtual void logEvent(const blink::WebString& event_name,
     69                         int argc,
     70                         const blink::WebString* argv,
     71                         const blink::WebURL& url,
     72                         const blink::WebString& title);
     73 
     74   // Helper function to actually send the message across IPC.
     75   void SendDomActionMessage(const std::string& api_call,
     76                             const GURL& url,
     77                             const base::string16& url_title,
     78                             DomActionType::Type call_type,
     79                             scoped_ptr<base::ListValue> args);
     80 
     81   // The id of the extension with which this logger is associated.
     82   std::string extension_id_;
     83 
     84   DISALLOW_COPY_AND_ASSIGN(DOMActivityLogger);
     85 };
     86 
     87 }  // namespace extensions
     88 
     89 #endif  // EXTENSIONS_RENDERER_DOM_ACTIVITY_LOGGER_H_
     90 
     91