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      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   virtual ~PointerHandler();
     24 
     25   // OptionsPageUIHandler implementation.
     26   virtual void GetLocalizedValues(
     27       base::DictionaryValue* localized_strings) OVERRIDE;
     28 
     29  private:
     30   // PointerDeviceObserver implementation.
     31   virtual void TouchpadExists(bool exists) OVERRIDE;
     32   virtual void MouseExists(bool exists) OVERRIDE;
     33 
     34   // Set the title dynamically based on whether a touchpad and/or mouse is
     35   // detected.
     36   void UpdateTitle();
     37 
     38   bool has_touchpad_;
     39   bool has_mouse_;
     40 
     41   DISALLOW_COPY_AND_ASSIGN(PointerHandler);
     42 };
     43 
     44 }  // namespace options
     45 }  // namespace chromeos
     46 
     47 #endif  // CHROME_BROWSER_UI_WEBUI_OPTIONS_CHROMEOS_POINTER_HANDLER_H_
     48