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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_DISPLAY_DISPLAY_CHANGE_OBSERVER_X11_H
#define ASH_DISPLAY_DISPLAY_CHANGE_OBSERVER_X11_H
#include <X11/Xlib.h>
// Xlib.h defines RootWindow.
#undef RootWindow
#include "base/basictypes.h"
#include "chromeos/display/output_configurator.h"
namespace ash {
namespace internal {
// An object that observes changes in display configuration and
// update DisplayManagers.
class DisplayChangeObserverX11 : public chromeos::OutputConfigurator::Observer {
public:
DisplayChangeObserverX11();
virtual ~DisplayChangeObserverX11();
// Overriden from chromeos::OutputConfigurator::Observer:
virtual void OnDisplayModeChanged() OVERRIDE;
private:
Display* xdisplay_;
::Window x_root_window_;
int xrandr_event_base_;
DISALLOW_COPY_AND_ASSIGN(DisplayChangeObserverX11);
};
} // namespace internal
} // namespace ash
#endif // ASH_DISPLAY_AURA_DISPLAY_CHANGE_OBSERVER_X11_H
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