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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 UI_GFX_SYS_COLOR_CHANGE_LISTENER_H_
#define UI_GFX_SYS_COLOR_CHANGE_LISTENER_H_
#include "base/macros.h"
#include "ui/gfx/gfx_export.h"
namespace gfx {
// Interface for classes that want to listen to system color changes.
class GFX_EXPORT SysColorChangeListener {
public:
virtual void OnSysColorChange() = 0;
protected:
virtual ~SysColorChangeListener() {}
};
// Create an instance of this class in any object that wants to listen
// for system color changes.
class GFX_EXPORT ScopedSysColorChangeListener {
public:
explicit ScopedSysColorChangeListener(SysColorChangeListener* listener);
~ScopedSysColorChangeListener();
private:
SysColorChangeListener* listener_;
DISALLOW_COPY_AND_ASSIGN(ScopedSysColorChangeListener);
};
} // namespace gfx;
#endif // UI_GFX_SYS_COLOR_CHANGE_LISTENER_H_
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