Experimental USB API implementation.

chrome/browser/extensions/api/api_resource_event_notifier.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CHROME_BROWSER_EXTENSIONS_API_API_RESOURCE_EVENT_NOTIFIER_H_
 #define CHROME_BROWSER_EXTENSIONS_API_API_RESOURCE_EVENT_NOTIFIER_H_
 #pragma once
 
 #include <string>
 
 #include "base/basictypes.h"
 #include "base/memory/ref_counted.h"
 #include "base/values.h"
 #include "googleurl/src/gurl.h"
 
 class ExtensionEventRouter;
 class Profile;
 
 namespace base {
 class ListValue;
 }
 
 namespace extensions {
 
 enum APIResourceEventType {
   API_RESOURCE_EVENT_CONNECT_COMPLETE,
   API_RESOURCE_EVENT_DATA_READ,
-  API_RESOURCE_EVENT_WRITE_COMPLETE
+  API_RESOURCE_EVENT_WRITE_COMPLETE,
+  API_RESOURCE_EVENT_TRANSFER_COMPLETE,
 };
 
 extern const char kSrcIdKey[];
 
 // TODO(miket): It's possible that we'll further refactor these new classes in
 // light of some changes that mihaip has suggested. The names might change,
 // too:
 //
 // IOResource
 // IOResourceExtensionFunction
@@ skipping 14 matching lines @@
   virtual void OnConnectComplete(int result_code);
 
   // Takes ownership of data.
   virtual void OnDataRead(int result_code,
                           base::ListValue* data,
                           const std::string& address,
                           int port);
 
   virtual void OnWriteComplete(int result_code);
 
+  virtual void OnTransferComplete(int result_code, base::ListValue* data);
+
   static std::string APIResourceEventTypeToString(
       APIResourceEventType event_type);
 
  private:
-  void DispatchEvent(DictionaryValue* event);
-  void DispatchEventOnUIThread(DictionaryValue* event);
+  void DispatchEvent(const std::string &extension, DictionaryValue* event);
+  void DispatchEventOnUIThread(const std::string &extension,
+                               DictionaryValue* event);
   DictionaryValue* CreateAPIResourceEvent(APIResourceEventType event_type);
 
-  void SendEventWithResultCode(APIResourceEventType event_type,
+  void SendEventWithResultCode(const std::string &extension,
+                               APIResourceEventType event_type,
                                int result_code);
 
   ExtensionEventRouter* router_;
   Profile* profile_;
   std::string src_extension_id_;
   int src_id_;
   GURL src_url_;
 
   DISALLOW_COPY_AND_ASSIGN(APIResourceEventNotifier);
 };
 
 }  // namespace extensions
 
 #endif  // CHROME_BROWSER_EXTENSIONS_API_API_RESOURCE_EVENT_NOTIFIER_H_