1 // Copyright (c) 2010 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_CHROMEOS_BRIGHTNESS_BUBBLE_H_ 6 #define CHROME_BROWSER_CHROMEOS_BRIGHTNESS_BUBBLE_H_ 7 #pragma once 8 9 #include "base/basictypes.h" 10 #include "chrome/browser/chromeos/setting_level_bubble.h" 11 12 template <typename T> struct DefaultSingletonTraits; 13 14 namespace chromeos { 15 16 // Singleton class controlling brightness bubble. 17 class BrightnessBubble : public SettingLevelBubble { 18 public: 19 static BrightnessBubble* GetInstance(); 20 21 private: 22 friend struct DefaultSingletonTraits<BrightnessBubble>; 23 24 BrightnessBubble(); 25 virtual ~BrightnessBubble() {} 26 27 DISALLOW_COPY_AND_ASSIGN(BrightnessBubble); 28 }; 29 30 } // namespace chromeos 31 32 #endif // CHROME_BROWSER_CHROMEOS_BRIGHTNESS_BUBBLE_H_ 33