chrome/browser/ui/webui/app_list/start_page_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_APP_LIST_START_PAGE_HANDLER_H_
   6 #define CHROME_BROWSER_UI_WEBUI_APP_LIST_START_PAGE_HANDLER_H_
   7
   8 #include "base/basictypes.h"
   9 #include "base/compiler_specific.h"
  10 #include "base/prefs/pref_change_registrar.h"
  11 #include "content/public/browser/web_ui_message_handler.h"
  12
  13 namespace base {
  14 class ListValue;
  15 }
  16
  17 namespace app_list {
  18
  19 // Handler for the app launcher start page.
  20 class StartPageHandler : public content::WebUIMessageHandler {
  21  public:
  22   StartPageHandler();
  23   ~StartPageHandler() override;
  24
  25  private:
  26   // content::WebUIMessageHandler overrides:
  27   void RegisterMessages() override;
  28
  29   // JS callbacks.
  30   void HandleAppListShown(const base::ListValue* args);
  31   void HandleDoodleClicked(const base::ListValue* args);
  32   void HandleInitialize(const base::ListValue* args);
  33   void HandleLaunchApp(const base::ListValue* args);
  34
  35   PrefChangeRegistrar pref_change_registrar_;
  36
  37   DISALLOW_COPY_AND_ASSIGN(StartPageHandler);
  38 };
  39
  40 }  // namespace app_list
  41
  42 #endif  // CHROME_BROWSER_UI_WEBUI_APP_LIST_START_PAGE_HANDLER_H_