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// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef ASH_HIGH_CONTRAST_HIGH_CONTRAST_CONTROLLER_H_
#define ASH_HIGH_CONTRAST_HIGH_CONTRAST_CONTROLLER_H_
#include "ash/ash_export.h"
#include "ash/shell_observer.h"
#include "base/basictypes.h"
namespace aura {
class Window;
}
namespace ash {
class ASH_EXPORT HighContrastController : public ShellObserver {
public:
HighContrastController();
~HighContrastController() override;
// Set high contrast mode and update all available displays.
void SetEnabled(bool enabled);
// ShellObserver:
void OnRootWindowAdded(aura::Window* root_window) override;
private:
// Update high contrast mode on the passed display.
void UpdateDisplay(aura::Window* root_window);
// Indicates if the high contrast mode is enabled or disabled.
bool enabled_;
DISALLOW_COPY_AND_ASSIGN(HighContrastController);
};
} // namespace ash
#endif // ASH_HIGH_CONTRAST_HIGH_CONTRAST_CONTROLLER_H_