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 ASH_HIGH_CONTRAST_HIGH_CONTRAST_CONTROLLER_H_ 6 #define ASH_HIGH_CONTRAST_HIGH_CONTRAST_CONTROLLER_H_ 7 8 #include "ash/ash_export.h" 9 #include "base/basictypes.h" 10 11 namespace aura { 12 class RootWindow; 13 class Window; 14 } 15 16 namespace ash { 17 18 class ASH_EXPORT HighContrastController { 19 public: 20 HighContrastController(); 21 ~HighContrastController()22 ~HighContrastController() {} 23 24 // Set high contrast mode and update all available displays. 25 void SetEnabled(bool enabled); 26 27 // Update high contrast mode on the just added display. 28 void OnRootWindowAdded(aura::Window* root_window); 29 30 private: 31 // Update high contrast mode on the passed display. 32 void UpdateDisplay(aura::Window* root_window); 33 34 // Indicates if the high contrast mode is enabled or disabled. 35 bool enabled_; 36 37 DISALLOW_COPY_AND_ASSIGN(HighContrastController); 38 }; 39 40 } // namespace ash 41 42 #endif // ASH_HIGH_CONTRAST_HIGH_CONTRAST_CONTROLLER_H_ 43