chrome/browser/ui/webui/options/chromeos/pointer_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_OPTIONS_CHROMEOS_POINTER_HANDLER_H_
   6 #define CHROME_BROWSER_UI_WEBUI_OPTIONS_CHROMEOS_POINTER_HANDLER_H_
   7
   8 #include "base/compiler_specific.h"
   9 #include "base/memory/weak_ptr.h"
  10 #include "base/prefs/pref_member.h"
  11 #include "chrome/browser/chromeos/system/pointer_device_observer.h"
  12 #include "chrome/browser/ui/webui/options/options_ui.h"
  13
  14 namespace chromeos {
  15 namespace options {
  16
  17 // Pointer settings overlay page UI handler.
  18 class PointerHandler
  19     : public ::options::OptionsPageUIHandler,
  20       public chromeos::system::PointerDeviceObserver::Observer {
  21  public:
  22   PointerHandler();
  23   ~PointerHandler() override;
  24
  25   // OptionsPageUIHandler implementation.
  26   void GetLocalizedValues(base::DictionaryValue* localized_strings) override;
  27
  28  private:
  29   // PointerDeviceObserver implementation.
  30   void TouchpadExists(bool exists) override;
  31   void MouseExists(bool exists) override;
  32
  33   // Set the title dynamically based on whether a touchpad and/or mouse is
  34   // detected.
  35   void UpdateTitle();
  36
  37   bool has_touchpad_;
  38   bool has_mouse_;
  39
  40   DISALLOW_COPY_AND_ASSIGN(PointerHandler);
  41 };
  42
  43 }  // namespace options
  44 }  // namespace chromeos
  45
  46 #endif  // CHROME_BROWSER_UI_WEBUI_OPTIONS_CHROMEOS_POINTER_HANDLER_H_