chrome/browser/ui/webui/version_handler.h

   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 "content/public/common/webplugininfo.h"
  14
  15 // Handler class for Version page operations.
  16 class VersionHandler : public content::WebUIMessageHandler {
  17  public:
  18   VersionHandler();
  19   ~VersionHandler() override;
  20
  21   // content::WebUIMessageHandler implementation.
  22   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 base::ListValue* args);
  28
  29  private:
  30   // Callback which handles returning the executable and profile paths to the
  31   // front end.
  32   void OnGotFilePaths(base::string16* executable_path_data,
  33                       base::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<content::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_