version_handler.h revision 5821806d5e7f356e8fa4b058a389a808ea183019 
1// Copyright (c) 2012 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 CHROME_BROWSER_UI_WEBUI_VERSION_HANDLER_H_
6#define CHROME_BROWSER_UI_WEBUI_VERSION_HANDLER_H_
7
8#include <vector>
9
10#include "base/memory/weak_ptr.h"
11#include "base/values.h"
12#include "content/public/browser/web_ui_message_handler.h"
13#include "webkit/plugins/webplugininfo.h"
14
15// Handler class for Version page operations.
16class VersionHandler : public content::WebUIMessageHandler {
17 public:
18  VersionHandler();
19  virtual ~VersionHandler();
20
21  // content::WebUIMessageHandler implementation.
22  virtual void RegisterMessages() OVERRIDE;
23
24  // Callback for the "requestVersionInfo" message. This asynchronously requests
25  // the flash version and eventually returns it to the front end along with the
26  // list of variations using OnGotPlugins.
27  virtual void HandleRequestVersionInfo(const ListValue* args);
28
29 private:
30  // Callback which handles returning the executable and profile paths to the
31  // front end.
32  void OnGotFilePaths(string16* executable_path_data,
33                      string16* profile_path_data);
34
35  // Callback for GetPlugins which responds to the page with the Flash version.
36  // This also initiates the OS Version load on ChromeOS.
37  void OnGotPlugins(const std::vector<webkit::WebPluginInfo>& plugins);
38
39  // Factory for the creating refs in callbacks.
40  base::WeakPtrFactory<VersionHandler> weak_ptr_factory_;
41
42  DISALLOW_COPY_AND_ASSIGN(VersionHandler);
43};
44
45#endif  // CHROME_BROWSER_UI_WEBUI_VERSION_HANDLER_H_
46