chrome/browser/ui/webui/sync_file_system_internals/extension_statuses_handler.h

   1 // Copyright 2013 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_SYNC_FILE_SYSTEM_INTERNALS_EXTENSION_STATUSES_HANDLER_H_
   6 #define CHROME_BROWSER_UI_WEBUI_SYNC_FILE_SYSTEM_INTERNALS_EXTENSION_STATUSES_HANDLER_H_
   7
   8 #include "base/compiler_specific.h"
   9 #include "base/memory/weak_ptr.h"
  10 #include "content/public/browser/web_ui_message_handler.h"
  11
  12 class Profile;
  13
  14 namespace syncfs_internals {
  15
  16 // This class handles message from WebUI page of chrome://syncfs-internals/
  17 // for the Extension Statuses tab. It corresponds to browser/resources/
  18 // sync_file_system_internals/extension_statuses.html. All methods in this class
  19 // should be called on UI thread.
  20 class ExtensionStatusesHandler : public content::WebUIMessageHandler {
  21  public:
  22   explicit ExtensionStatusesHandler(Profile* profile);
  23   ~ExtensionStatusesHandler() override;
  24
  25   // Shared by Extension Statuses Tab and also File Metadata Tab to generate the
  26   // extension drop down.
  27   static void GetExtensionStatusesAsDictionary(
  28       Profile* profile,
  29       const base::Callback<void(const base::ListValue&)>& callback);
  30
  31   // WebUIMessageHandler implementation.
  32   void RegisterMessages() override;
  33
  34  private:
  35   void GetExtensionStatuses(const base::ListValue* args);
  36   void DidGetExtensionStatuses(const base::ListValue& list);
  37
  38   Profile* profile_;
  39   base::WeakPtrFactory<ExtensionStatusesHandler> weak_ptr_factory_;
  40
  41   DISALLOW_COPY_AND_ASSIGN(ExtensionStatusesHandler);
  42 };
  43
  44 }  // namespace syncfs_internals
  45
  46 #endif  // CHROME_BROWSER_UI_WEBUI_SYNC_FILE_SYSTEM_INTERNALS_EXTENSION_STATUSES_HANDLER_H_